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3. Recent trends and avenues for research on presenteeism

Author

Ruhle, S. A., Breitsohl, H., Aboagye, E., Baba, V., Biron, C., Correia Leal, C., Dietz, C., Ferreira, A. I., Gerich, J., Johns, G., Karanika-Murray, M., Lohaus, D., Løkke, A., Lopes, Sara L., Martinez, Luis F., Miraglia, M., Muschalla, B., Poethke, U., Sarwat, N., Schade, H., Steidelmüller, C., Vinberg, S., Whysall, Z., Yang, T., and NOVA School of Business and Economics (NOVA SBE)

Subjects
Organizational Behavior and Human Resource Management, measurement, Presenteeism, position paper, Applied Psychology, absenteeism, context
Abstract

This position paper brings together recent and emerging developments in the field of presenteeism. A critical synthesis of the evidence is needed due to persisting conceptual and methodological challenges as well as the increased volume of research in the field. This paper integrates emerging evidence and critical thinking into three areas: (1) concept, (2) measurement and methodological issues, and (3) the context of presenteeism. First, due to the variety of existing definitions, competing understandings, as well as the notion of positive presenteeism, it is important to reconsider the notion of presenteeism. Second, it is important to reflect on the measurement of the act of presenteeism and the productivity loss associated with that. Third, following the call to investigate presenteeism in specific contexts, it is important to explain the social, occupational, cross-cultural aspects, as well as the contemporary workplace changes. Based on this critical synthesis, we conclude by identifying recommendations for future research on presenteeism. authorsversion published

Published
2020

4. “To work, or not to work, that is the question” : Recent trends and avenues for research on presenteeism

Author

Ruhle, S A, S A, Breitsohl, H, Aboagye, E, Baba, V, Biron, C, Correia Leal, C, Dietz, C, Ferreira, A I, Gerich, J, Johns, G, Karanika-Murray, M, Lohaus, D, Løkke, A, Lopes, S L, Martinez, L F, Miraglia, M, Muschalla, B, Poethke, U, Sarwat, N, Schade, H, Steidelmüller, C, Vinberg, Stig, Whysall, Z, Yang, T, Ruhle, S A, S A, Breitsohl, H, Aboagye, E, Baba, V, Biron, C, Correia Leal, C, Dietz, C, Ferreira, A I, Gerich, J, Johns, G, Karanika-Murray, M, Lohaus, D, Løkke, A, Lopes, S L, Martinez, L F, Miraglia, M, Muschalla, B, Poethke, U, Sarwat, N, Schade, H, Steidelmüller, C, Vinberg, Stig, Whysall, Z, and Yang, T

Abstract

This position paper brings together recent and emerging developments in the field of presenteeism. A critical synthesis of the evidence is needed due to persisting conceptual and methodological challenges as well as the increased volume of research in the field.This paper integrate semerging evidence and critical thinking into three areas: (1) concept, (2) measurement and methodological issues, and (3) the context of presenteeism. First, due to the variety of existing definitions, competing understandings, as well as the notion of positive presenteeism, it is important to reconsider the notion of presenteeism. Second, it is important to reflect on the measurement of the act of presenteeism and the productivity loss associated with that. Third,following the call to investigate presenteeism in specific contexts,it is important to explain the social, occupational, cross-cultural aspects, as well as the contemporary workplace changes. Based on this critical synthesis, we conclude by identifying recommendations for future research on presenteeism.

Published
2020
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5. “To work, or not to work, that is the question” – Recent trends and avenues for research on presenteeism

Author

Ruhle, S. A., primary, Breitsohl, H., additional, Aboagye, E., additional, Baba, V., additional, Biron, C., additional, Correia Leal, C., additional, Dietz, C., additional, Ferreira, A. I., additional, Gerich, J., additional, Johns, G., additional, Karanika-Murray, M., additional, Lohaus, D., additional, Løkke, A., additional, Lopes, S. L., additional, Martinez, L. F., additional, Miraglia, M., additional, Muschalla, B., additional, Poethke, U., additional, Sarwat, N., additional, Schade, H., additional, Steidelmüller, C., additional, Vinberg, S., additional, Whysall, Z., additional, and Yang, T., additional

Published
2019
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6. "To work, or not to work, that is the question" – Recent trends and avenues for research on presenteeism.

Author

Ruhle, S. A., Breitsohl, H., Aboagye, E., Baba, V., Biron, C., Correia Leal, C., Dietz, C., Ferreira, A. I., Gerich, J., Johns, G., Karanika-Murray, M., Lohaus, D., Løkke, A., Lopes, S. L., Martinez, L. F., Miraglia, M., Muschalla, B., Poethke, U., Sarwat, N., and Schade, H.

Subjects
PRESENTEEISM (Labor), CRITICAL thinking, DEFINITIONS
Abstract

This position paper brings together recent and emerging developments in the field of presenteeism. A critical synthesis of the evidence is needed due to persisting conceptual and methodological challenges as well as the increased volume of research in the field. This paper integrates emerging evidence and critical thinking into three areas: (1) concept, (2) measurement and methodological issues, and (3) the context of presenteeism. First, due to the variety of existing definitions, competing understandings, as well as the notion of positive presenteeism, it is important to reconsider the notion of presenteeism. Second, it is important to reflect on the measurement of the act of presenteeism and the productivity loss associated with that. Third, following the call to investigate presenteeism in specific contexts, it is important to explain the social, occupational, cross-cultural aspects, as well as the contemporary workplace changes. Based on this critical synthesis, we conclude by identifying recommendations for future research on presenteeism. [ABSTRACT FROM AUTHOR]

Published
2020
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8. Doing and disseminating meaningful research

Author

Abhimalla, R. K., Dash, D. P., Baba, V. V., Stokes, Peter, and D'Cruz, P.

Subjects
research, Meaningfulness
Abstract

Paper generated following keynote speaker invitation to IIM Ahmedabad, India. Note. This is a report on a panel discussion held at Indian Institute of Management Ahmedabad (IIMA) on December 10, 2013. The panellists were: (i) D . P. Dash, Swinburne University of Technology, Malaysia (Chair), (ii) Vishwanath V. Baba, DeGroote School of Business, McMaster University, Canada, (iii) Peter Stokes, University of Chester Business School, United Kingdom, and (iv) Premilla D’Cruz, Indian Institute of Management Ahmedabad, India. The panel discussion was held as a part of a doctoral colloquium organized by IIMA, during December 9-11, 2013. The panel discussion was organised as part of a doctoral colloquium and the audience included several research students. The panellists were experienced academics from institutions of higher learning in Canada, India, Malaysia, and the United Kingdom, representing research interests in applied social and behavioural sciences. The audience included, among others, more than 50 research students at various stages of their studies in the social and behavioural sciences. The discussion started with the panellists presenting their individual perspectives on the topic of meaningfulness in research, comparing their lived experiences as research students themselves with their current understanding of the topic. The discussion unravelled several dimensions of meaningfulness. The panel appeared to suggest that, our notion of meaningful research and our approach to doing and disseminating such research evolves over time, as we continue to educate and develop ourselves as researchers. As the panellists traced the pathways of their own development as researchers, various ideas of meaningfulness emerged. For the purpose of this report, the ideas of meaningfulness have been divided in terms of their relevance to researchers at different stages of their development--early-stage, intermediate-stage, and mature-stage--although such a structure was not specifically mentioned by any of the panellists.

Published
2014

10. Intraoperative high-field MRI for resection control in elective transsphenoidal pituitary adenoma surgery in 110 consecutive patients

Author

Geletneky, K, Baba, V, Scherer, M, Beigel, B, Bartsch, A, and Unterberg, A

Subjects
resection control, ddc: 610, pituitary adenoma, 610 Medical sciences, Medicine, intraoperative MRI
Abstract

Objective: The goal of this study was to assess the value of intraoperative high-field MRI (1,5 Tesla) in the treatment of a large cohort of unselected patients with pituitary adenomas undergoing elective surgery via the transsphenoidal approach. Method: From July 2009 until April 2012, intraoperative[for full text, please go to the a.m. URL], 64. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC)

Published
2013
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12. Shielding Effectiveness of Laminated Shields

Author

Jayasree, P. V. Y., Baba, V. S. S. N. Srinivasa, and Rao, B. Prabhakara

Subjects
shielding effectiveness, frequency, conductive polymer, Laminated shield
Abstract

Shielding prevents coupling of undesired radiated electromagnetic energy into equipment otherwise susceptible to it. In view of this, some studies on shielding effectiveness of laminated shields with conductors and conductive polymers using plane-wave theory are carried out in this paper. The plane wave shielding effectiveness of new combination of these materials is evaluated as a function of frequency and thickness of material. Conductivity of the polymers, measured in previous investigations by the cavity perturbation technique, is used to compute the overall reflection and transmission coefficients of single and multiple layers of the polymers. With recent advances in synthesizing stable highly conductive polymers these lightweight mechanically strong materials appear to be viable alternatives to metals for EM1 shielding.

Published
2008

13. Centrality and pseudorapidity dependence of charged hadron production at intermediate pT in Au+Au collisions at √sNN=130 GeV

Author

STAR Collaboration, Adams, John, Aggarwal, Madan Mohan, Ahammed, Zubayer, Amonett, John, Anderson, Bryon D., Arkhipkin, Dmitry A., Averichev, Georgy S., Bai, Yu, Balewski, Jan, Barannikova, Olga, Barnby, Lee Stuart, Baudot, Jérome, Bekele, Selemon, Belaga, Victoria Vladimirovna, Bellwied, Rene, Berger, Jens, Bezverkhny, B. I., Bharadwaj, Somnath, Bhatia, V. S., Bichsel, Hans, Billmeier, Anja, Bland, Leslie C., Blyth, Charles O., Bonner, Billy E., Botje, Michiel, Boucham, Abdelkrim, Brandin, Andrei V., Bravar, Alessandro, Bystersky, M., Cadman, Robert V., Cai, Xiang-Zhou, Caines, Helen Louise, Calderón de la Barca Sánchez, Manuel, Carroll, J., Castillo Castellanos, Javier Ernesto, Cebra, Daniel A., Chaloupka, Petr, Chattopdhyay, S., Chen, H. F., Chen, Y., Cheng, J., Cherney, Michael Gerard, Chikanian, Alexei, Christie, William, Coffin, Jean Pierre, Cormier, Thomas Michael, Cramer, John G., Crawford, Henry J., Das, Debasish, Das, Supriya, de Moura, M. M., Derevschikov, Anatoly A., Didenko, Lidia, Dietel, Thomas, Dong, W. J., Dong, Xin, Draper, James E., Du, F., Dubey, Anand Kumar, Dunin, V. B., Dunlop, James C., Dutta Mazumdar, M. R., Eckardt, Volker, Edwards, W. R., Efimov, Leonid G., Emelianov, V., Engelage, Jon M., Eppley, Geary Wareham, Erazmus, Barbara Ewa, Estienne, Magali Danielle, Fachini, Patricia, Faivre, Julien, Fatemi, Renee H., Fedorišin, Jan, Filimonov, Kirill, Filip, Peter, Finch, Evan, Fine, Valeri, Fisyak, Yuri V., Foley, K. J., Fomenko, K., Fu, J., Gagliardi, Carl A., Gans, J., Ganti, Murthy S., Gaudichet, L., Geurts, Frank, Ghazikhanian, Vahe, Ghosh, Premomoy, Gonzalez, Johan Enmanuel, Grachov, Oleg A., Grebenyuk, Oleksandr, Grosnick, David P., Guertin, Steven M., Gupta, Anik, Gutierrez, Thomas Dominic, Hallman, Timothy J., Hamed, Ahmed M., Hardtke, David H., Harris, John W., Heinz, Mark Thomas, Henry, Thomas W., Hepplemann, S., Hippolyte, Boris, Hirsch, Andrew S., Hjort, Eric, Hoffmann, Gerald W., Huang, Huan Zhong, Huang, Shengli, Hughes, Emlyn Willard, Humanic, Thomas J., Igo, George J., Ishihara, A., Jacobs, Peter Martin, Jacobs, William W., Janik, Michał, Jiang, H., Jones, Peter Graham, Judd, Eleanor G., Kabana, Sonia, Kang, K., Kaplan, Morton, Keane, Declan, Khodyrev, V. Yu., Kiryluk, Joanna, Kisiel, Adam Ryszard, Kislov, E. M., Klay, Jennifer Lynn, Klein, Spencer Robert, Klyachko, A., Koetke, Donald D., Kollegger, Thorsten, Kopytine, Mikhail L., Kotchenda, L., Kramer, M., Kravtsov, Peter, Kravtsov, Vladimir I., Krueger, Keith William, Kuhn, Christian Claude, Kulikov, Anatoly I., Kumar, Ajay, Kunz, Christopher Lee, Kutuev, R. Kh., Kuznetsov, A. A., Lamont, Matthew A. C., Landgraf, Jeffery M., Lange, S., Laue, Frank, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lehocka, S., LeVine, Micheal J., Li, C., Li, Q., Li, Y., Lindenbaum, Sam J., Lisa, Michael A., Liu, F., Liu, L., Liu, Q. J., Liu, Z., Ljubicic, Tonko A., Llope, William Joseph, Long, H., Longacre, Ronald S., Lopez-Noriega, M., Love, William A., Lu, Y., Ludlam, Thomas, Lynn, David, Ma, G. L., Ma, Jing-guo, Ma, Yu-Gang, Magestro, Daniel, Mahajan, Sanjay, Mahapatra, D. P., Majka, Richard Daniel, Mangotra, Lalit K., Manweiler, Robert W., Margetis, Spyridon, Markert, Christina, Martin, L., Marx, Jay N., Matis, Howard S., Matulenko, Yuri A., McClain, C. J., McShane, Tom S., Meissner, F., Melnick, Yu., Meščanin, Aleksei P., Miller, M. L., Milosevich, Z., Minaev, Nikolai G., Mironov, Camelia, Mischke, André, Mishra, Debadeepti, Mitchell, J., Mohanty, Bedangadas, Molnar, Levente, Moore, C. F., Mora-Corral, M. J., Morozov, Dmitry A., Morozov, V., Munhoz, Marcelo Gameiro, Nandi, Basanta Kumar, Nayak, Tapan Kumar, Nelson, John M., Netrakanti, Pawan Kumar, Nikitin, Vladimir A., Nogach, Larisa V., Norman, B., Nurušev, Sandibek B., Odyniec, Grazyna Janina, Ogawa, Akio, Okorokov, Vitaly A., Oldenburg, Markus D., Olson, Douglas L., Pal, Susanta Kumar, Panebratsev, Yuri, Panitkin, Sergei Yurievich, Pavlinov, A. I., Pawlak, Tomasz Jan, Peitzmann, Thomas, Perevoztchikov, Victor, Perkins, Chris, Peryt, Wiktor Stanislaw, Petrov, V. A., Phatak, Shashikant C., Picha, R., Planinic, Mirko, Pluta, Jan Marian, Porile, Norbert T., Porter, Jeffrey Brent, Poskanzer, Arthur M., Potekhin, Maxim, Potrebenikova, E., Potukuchi, Baba V. K. S., Prindle, Duncan J., Pruneau, Claude A., Putschke, Jörn H., Rai, Gulshan, Rakness, Gregory L., Raniwala, Rashmi, Raniwala, Sudhir, Ravel, Olivier, Ray, Robert L., Razin, Sergej V., Reichhold, Dennis Michael, Reid, Jeffrey G., Renault, G., Retiere, Fabrice, Ridiger, Alexey, Ritter, Hans Georg, Roberts, Jabus B., Rogačevskij, Oleg V., Romero, Juan L., Rose, A., Roy, Christelle Sophie, Ruan, Lijuan, Sahoo, Raghunath, Sakrejda, Iwona, Salur, Sevil, Sandweiss, Jack H., Savin, Igor A., Sazhin, P. S., Schambach, Joachim, Scharenberg, Rolf Paul, Schmitz, Norbert, Schroeder, Lee S., Schweda, Kai, Seger, Janet Elizabeth, Seyboth, Peter, Shahaliev, Ehtiram, Shao, M., Shao, W., Sharma, M., Shen, W. Q., Shestermanov, Konstantin E., Shimanskiy, S. S., Simon, F., Singaraju, Rama Narayana, Skoro, Goran P., Smirnov, Nikolai, Snellings, Raimond, Sood, Gopika, Sorensen, Paul Richard, Sowinski, James, Speltz, Jeff, Spinka, Harold. M., Srivastava, Brijesh Kumar, Stadnik, A., Stanislaus, T. D. Shirvel, Stock, Reinhard, Stolpovsky, Alexander, Strichanov, Michail Nikolaevič, Stringfellow, Blair, Suaide, Alexandre Alarcon do Passo, Sugarbaker, Evan R., Suire, Christophe Pierre, Šumbera, Michal, Surrow, Bernd, Symons, Timothy James MacNeil, Toledo, Alejandro Szanto de, Szarwas, Piotr, Tai, An, Takahashi, Jun, Tang, Aihong, Tarnowsky, Terence J., Thein, Dylan, Thomas, James H., Timoshenko, Sergei, Tokarev, Mikhail V., Trainor, Thomas A., Trentalange, Stephen, Tribble, Robert E., Tsai, Oleg D., Ulery, Jason Glyndwr, Ullrich, Thomas, Underwood, David G., Urkinbaev, Anarbay, Van Buren, Gene, Vander Molen, A. M., Varma, Raghava, Vasilevski, I. M., Vasiliev, Alexander Nikolaevich, Vernet, Renaud, Vigdor, Steven E., Viyogi, Yogendra P., Vokal, Stanislav, Vznuzdaev, Marat, Waggoner, William T., Wang, F., Wang, G., Wang, X. L., Wang, Y., Wang, Z. M., Ward, H., Watson, J. W., Webb, Jason C., Wells, R., Westfall, Gary D., Wetzler, Alexander Albert, Whitten, Charles A., Wieman, Howard, Wissink, Scott W., Witt, Richard, Wood, J., Wu, J., Xu, N., Xu, Z., Yamamoto, E., Yepes, Pablo P., Yurevich, Vladimir Yurevich, Zanevsky, Yuri V., Zhang, Haitao, Zhang, W. M., Zhang, Z. P., Zolnierczuk, Piotr Adam, Zoulkarneev, R., Zoulkarneeva, Youlia, Zubarev, A. N., STAR Collaboration, Adams, John, Aggarwal, Madan Mohan, Ahammed, Zubayer, Amonett, John, Anderson, Bryon D., Arkhipkin, Dmitry A., Averichev, Georgy S., Bai, Yu, Balewski, Jan, Barannikova, Olga, Barnby, Lee Stuart, Baudot, Jérome, Bekele, Selemon, Belaga, Victoria Vladimirovna, Bellwied, Rene, Berger, Jens, Bezverkhny, B. I., Bharadwaj, Somnath, Bhatia, V. S., Bichsel, Hans, Billmeier, Anja, Bland, Leslie C., Blyth, Charles O., Bonner, Billy E., Botje, Michiel, Boucham, Abdelkrim, Brandin, Andrei V., Bravar, Alessandro, Bystersky, M., Cadman, Robert V., Cai, Xiang-Zhou, Caines, Helen Louise, Calderón de la Barca Sánchez, Manuel, Carroll, J., Castillo Castellanos, Javier Ernesto, Cebra, Daniel A., Chaloupka, Petr, Chattopdhyay, S., Chen, H. F., Chen, Y., Cheng, J., Cherney, Michael Gerard, Chikanian, Alexei, Christie, William, Coffin, Jean Pierre, Cormier, Thomas Michael, Cramer, John G., Crawford, Henry J., Das, Debasish, Das, Supriya, de Moura, M. M., Derevschikov, Anatoly A., Didenko, Lidia, Dietel, Thomas, Dong, W. J., Dong, Xin, Draper, James E., Du, F., Dubey, Anand Kumar, Dunin, V. B., Dunlop, James C., Dutta Mazumdar, M. R., Eckardt, Volker, Edwards, W. R., Efimov, Leonid G., Emelianov, V., Engelage, Jon M., Eppley, Geary Wareham, Erazmus, Barbara Ewa, Estienne, Magali Danielle, Fachini, Patricia, Faivre, Julien, Fatemi, Renee H., Fedorišin, Jan, Filimonov, Kirill, Filip, Peter, Finch, Evan, Fine, Valeri, Fisyak, Yuri V., Foley, K. J., Fomenko, K., Fu, J., Gagliardi, Carl A., Gans, J., Ganti, Murthy S., Gaudichet, L., Geurts, Frank, Ghazikhanian, Vahe, Ghosh, Premomoy, Gonzalez, Johan Enmanuel, Grachov, Oleg A., Grebenyuk, Oleksandr, Grosnick, David P., Guertin, Steven M., Gupta, Anik, Gutierrez, Thomas Dominic, Hallman, Timothy J., Hamed, Ahmed M., Hardtke, David H., Harris, John W., Heinz, Mark Thomas, Henry, Thomas W., Hepplemann, S., Hippolyte, Boris, Hirsch, Andrew S., Hjort, Eric, Hoffmann, Gerald W., Huang, Huan Zhong, Huang, Shengli, Hughes, Emlyn Willard, Humanic, Thomas J., Igo, George J., Ishihara, A., Jacobs, Peter Martin, Jacobs, William W., Janik, Michał, Jiang, H., Jones, Peter Graham, Judd, Eleanor G., Kabana, Sonia, Kang, K., Kaplan, Morton, Keane, Declan, Khodyrev, V. Yu., Kiryluk, Joanna, Kisiel, Adam Ryszard, Kislov, E. M., Klay, Jennifer Lynn, Klein, Spencer Robert, Klyachko, A., Koetke, Donald D., Kollegger, Thorsten, Kopytine, Mikhail L., Kotchenda, L., Kramer, M., Kravtsov, Peter, Kravtsov, Vladimir I., Krueger, Keith William, Kuhn, Christian Claude, Kulikov, Anatoly I., Kumar, Ajay, Kunz, Christopher Lee, Kutuev, R. Kh., Kuznetsov, A. A., Lamont, Matthew A. C., Landgraf, Jeffery M., Lange, S., Laue, Frank, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lehocka, S., LeVine, Micheal J., Li, C., Li, Q., Li, Y., Lindenbaum, Sam J., Lisa, Michael A., Liu, F., Liu, L., Liu, Q. J., Liu, Z., Ljubicic, Tonko A., Llope, William Joseph, Long, H., Longacre, Ronald S., Lopez-Noriega, M., Love, William A., Lu, Y., Ludlam, Thomas, Lynn, David, Ma, G. L., Ma, Jing-guo, Ma, Yu-Gang, Magestro, Daniel, Mahajan, Sanjay, Mahapatra, D. P., Majka, Richard Daniel, Mangotra, Lalit K., Manweiler, Robert W., Margetis, Spyridon, Markert, Christina, Martin, L., Marx, Jay N., Matis, Howard S., Matulenko, Yuri A., McClain, C. J., McShane, Tom S., Meissner, F., Melnick, Yu., Meščanin, Aleksei P., Miller, M. L., Milosevich, Z., Minaev, Nikolai G., Mironov, Camelia, Mischke, André, Mishra, Debadeepti, Mitchell, J., Mohanty, Bedangadas, Molnar, Levente, Moore, C. F., Mora-Corral, M. J., Morozov, Dmitry A., Morozov, V., Munhoz, Marcelo Gameiro, Nandi, Basanta Kumar, Nayak, Tapan Kumar, Nelson, John M., Netrakanti, Pawan Kumar, Nikitin, Vladimir A., Nogach, Larisa V., Norman, B., Nurušev, Sandibek B., Odyniec, Grazyna Janina, Ogawa, Akio, Okorokov, Vitaly A., Oldenburg, Markus D., Olson, Douglas L., Pal, Susanta Kumar, Panebratsev, Yuri, Panitkin, Sergei Yurievich, Pavlinov, A. I., Pawlak, Tomasz Jan, Peitzmann, Thomas, Perevoztchikov, Victor, Perkins, Chris, Peryt, Wiktor Stanislaw, Petrov, V. A., Phatak, Shashikant C., Picha, R., Planinic, Mirko, Pluta, Jan Marian, Porile, Norbert T., Porter, Jeffrey Brent, Poskanzer, Arthur M., Potekhin, Maxim, Potrebenikova, E., Potukuchi, Baba V. K. S., Prindle, Duncan J., Pruneau, Claude A., Putschke, Jörn H., Rai, Gulshan, Rakness, Gregory L., Raniwala, Rashmi, Raniwala, Sudhir, Ravel, Olivier, Ray, Robert L., Razin, Sergej V., Reichhold, Dennis Michael, Reid, Jeffrey G., Renault, G., Retiere, Fabrice, Ridiger, Alexey, Ritter, Hans Georg, Roberts, Jabus B., Rogačevskij, Oleg V., Romero, Juan L., Rose, A., Roy, Christelle Sophie, Ruan, Lijuan, Sahoo, Raghunath, Sakrejda, Iwona, Salur, Sevil, Sandweiss, Jack H., Savin, Igor A., Sazhin, P. S., Schambach, Joachim, Scharenberg, Rolf Paul, Schmitz, Norbert, Schroeder, Lee S., Schweda, Kai, Seger, Janet Elizabeth, Seyboth, Peter, Shahaliev, Ehtiram, Shao, M., Shao, W., Sharma, M., Shen, W. Q., Shestermanov, Konstantin E., Shimanskiy, S. S., Simon, F., Singaraju, Rama Narayana, Skoro, Goran P., Smirnov, Nikolai, Snellings, Raimond, Sood, Gopika, Sorensen, Paul Richard, Sowinski, James, Speltz, Jeff, Spinka, Harold. M., Srivastava, Brijesh Kumar, Stadnik, A., Stanislaus, T. D. Shirvel, Stock, Reinhard, Stolpovsky, Alexander, Strichanov, Michail Nikolaevič, Stringfellow, Blair, Suaide, Alexandre Alarcon do Passo, Sugarbaker, Evan R., Suire, Christophe Pierre, Šumbera, Michal, Surrow, Bernd, Symons, Timothy James MacNeil, Toledo, Alejandro Szanto de, Szarwas, Piotr, Tai, An, Takahashi, Jun, Tang, Aihong, Tarnowsky, Terence J., Thein, Dylan, Thomas, James H., Timoshenko, Sergei, Tokarev, Mikhail V., Trainor, Thomas A., Trentalange, Stephen, Tribble, Robert E., Tsai, Oleg D., Ulery, Jason Glyndwr, Ullrich, Thomas, Underwood, David G., Urkinbaev, Anarbay, Van Buren, Gene, Vander Molen, A. M., Varma, Raghava, Vasilevski, I. M., Vasiliev, Alexander Nikolaevich, Vernet, Renaud, Vigdor, Steven E., Viyogi, Yogendra P., Vokal, Stanislav, Vznuzdaev, Marat, Waggoner, William T., Wang, F., Wang, G., Wang, X. L., Wang, Y., Wang, Z. M., Ward, H., Watson, J. W., Webb, Jason C., Wells, R., Westfall, Gary D., Wetzler, Alexander Albert, Whitten, Charles A., Wieman, Howard, Wissink, Scott W., Witt, Richard, Wood, J., Wu, J., Xu, N., Xu, Z., Yamamoto, E., Yepes, Pablo P., Yurevich, Vladimir Yurevich, Zanevsky, Yuri V., Zhang, Haitao, Zhang, W. M., Zhang, Z. P., Zolnierczuk, Piotr Adam, Zoulkarneev, R., Zoulkarneeva, Youlia, and Zubarev, A. N.

Abstract

We present STAR measurements of charged hadron production as a function of centrality in Au+Au collisions at sqrt[sNN ]=130 GeV . The measurements cover a phase space region of 0.2< pT <6.0 GeV/c in transverse momentum and -1< eta <1 in pseudorapidity. Inclusive transverse momentum distributions of charged hadrons in the pseudorapidity region 0.5< | eta | <1 are reported and compared to our previously published results for | eta | <0.5 . No significant difference is seen for inclusive pT distributions of charged hadrons in these two pseudorapidity bins. We measured dN/d eta distributions and truncated mean pT in a region of pT > pcutT , and studied the results in the framework of participant and binary scaling. No clear evidence is observed for participant scaling of charged hadron yield in the measured pT region. The relative importance of hard scattering processes is investigated through binary scaling fraction of particle production.

Published
2004

14. Net charge fluctuations in Au + Au collisions at √sNN = 130 GeV

Author

Adams, John, Adler, Clemens, Aggarwal, Madan Mohan, Ahammed, Zubayer, Amonett, John, Anderson, Bryon D., Anderson, Mike, Arkhipkin, Dmitry A., Averichev, Georgy S., Badyal, S. K., Balewski, Jan, Barannikova, Olga, Barnby, Lee Stuart, Baudot, Jérome, Bekele, Selemon, Belaga, Victoria Vladimirovna, Bellwied, Rene, Berger, Jens, Bezverkhny, B. I., Bhardwaj, S., Bhaskar, P., Bhati, Ashok Kumar, Bichsel, Hans, Billmeier, Anja, Bland, Leslie C., Blyth, Charles O., Bonner, Billy E., Botje, Michiel, Boucham, Abdelkrim, Brandin, Andrei V., Bravar, Alessandro, Cadman, Robert V., Cai, Xiang-Zhou, Caines, Helen Louise, Calderón de la Barca Sánchez, Manuel, Cardenas, Andrés, Carroll, J., Castillo Castellanos, Javier Ernesto, Castro, M., Cebra, Daniel A., Chaloupka, Petr, Chattopadhyay, S., Chen, H. F., Chen, Y., Chernenko, S. P., Cherney, Michael Gerard, Chikanian, Alexei, Choi, B., Christie, William, Coffin, Jean Pierre, Cormier, Thomas Michael, Cramer, John G., Crawford, Henry J., Das, Debasish, Das, Supriya, Derevschikov, Anatoly A., Didenko, Lidia, Dietel, Thomas, Dong, Xin, Draper, James E., Du, F., Dubey, Anand Kumar, Dunin, V. B., Dunlop, James C., Dutta Majumdar, Mihir Ranjan, Eckardt, Volker, Efimov, Leonid G., Emelianov, V., Engelage, Jon M., Eppley, Geary Wareham, Erazmus, Barbara Ewa, Fachini, Patricia, Faine, V., Faivre, Julien, Fatemi, Renee H., Filimonov, Kirill, Filip, Peter, Finch, Evan, Fisyak, Yuri V., Flierl, Dominik Bernhard, Foley, K. J., Fu, J., Gagliardi, Carl A., Ganti, Murthy S., Gutierrez, Thomas Dominic, Gagunashvili, N., Gans, J., Gaudichet, L., Germain, Marie, Geurts, Frank, Ghazikhanian, Vahe, Ghosh, Premomoy, Gonzalez, Johan Enmanuel, Grachov, Oleg A., Grigoriev, Vladislav A., Gronstal, S., Grosnick, David P., Guedon, M., Guertin, Steven M., Gupta, Anik, Gushin, E., Hallman, Timothy J., Hardtke, David H., Harris, John W., Heinz, Mark Thomas, Henry, Thomas W., Heppelmann, Steven Francis, Herston, T., Hippolyte, Boris, Hirsch, Andrew S., Hjort, Eric, Hoffmann, Gerald W., Horsley, M., Huang, Huan Zhong, Huang, Shengli, Humanic, Thomas J., Igo, George J., Ishihara, A., Jacobs, Peter Martin, Jacobs, William W., Janik, Michał, Johnson, I., Jones, Peter Graham, Judd, Eleanor G., Kabana, Sonia, Kaneta, Kaneta, Kaplan, Morton, Keane, Declan, Kiryluk, Joanna, Kisiel, Adam Ryszard, Klay, Jennifer Lynn, Klein, Spencer Robert, Klyachko, A., Koetke, Donald D., Kollegger, Thorsten, Konstantinov, A. S., Kopytine, Mikhail L., Kotchenda, L., Kovalenko, A. D., Kramer, M., Kravtsov, Peter, Krueger, Keith William, Kuhn, Christian Claude, Kulikov, Anatoly I., Kumar, Ajay, Kunde, Gerd J., Kunz, Christopher Lee, Kutuev, R. Kh., Kuznetsov, A. A., Lamont, Matthew A. C., Landgraf, Jeffery M., Lange, S., Lansdell, Curtis Patrick Leon, Lasiuk, Brian, Laue, Frank, Lauret, Jerome, Lebedev, Alexei, Lednický, Richard, Leontiev, V. M., LeVine, Micheal J., Li, C., Li, Q., Lindenbaum, Sam J., Lisa, Michael A., Liu, Feng, Liu, L., Liu, Z., Liu, Q. J., Ljubicic, Tonko A., Llope, William Joseph, Long, H., Longacre, Ronald S., Lopez-Noriega, M., Love, William A., Ludlam, Thomas, Lynn, David, Ma, Jing-guo, Ma, Yu-Gang, Magestro, Daniel, Mahajan, Sanjay, Mangotra, Lalit K., Mahapatra, D. P., Majka, Richard Daniel, Manweiler, Robert W., Margetis, Spyridon, Markert, Christina, Martin, L., Marx, Jay N., Matis, Howard S., Matulenko, Yuri A., McShane, Tom S., Meissner, F., Melnick, Yu., Meščanin, Aleksei P., Messer, Matthias, Miller, M. L., Milosevich, Z., Minaev, Nikolai G., Mironov, Camelia, Mishra, Debadeepti, Mitchell, J., Mohanty, Bedangadas, Molnar, Levente, Moore, C. F., Mora-Corral, M. J., Morozov, V., de Moura, M. M., Munhoz, Marcelo Gameiro, Nandi, Basanta Kumar, Nayak, S. K., Nayak, Tapan Kumar, Nelson, John M., Nevski, P., Nikitin, Vladimir A., Nogach, Larisa V., Norman, B., Nurušev, Sandibek B., Odyniec, Grazyna Janina, Ogawa, Akio, Okorokov, Vitaly A., Oldenburg, Markus D., Olson, Douglas L., Paic, Guy, Pandey, S. U., Pal, Susanta Kumar, Panebratsev, Yuri, Panitkin, Sergei Yurievich, Pavlinov, A. I., Pawlak, Tomasz Jan, Perevoztchikov, Victor, Peryt, Wiktor Stanislaw, Petrov, V. A., Phatak, S. C., Picha, R., Planinic, Mirko, Pluta, Jan Marian, Porile, Norbert T., Porter, Jeffrey Brent, Poskanzer, Arthur M., Potekhin, Maxim, Potrebenikova, E., Potukuchi, Baba V. K. S., Prindle, Duncan J., Pruneau, Claude A., Putschke, Jörn H., Rai, Gulshan, Rakness, Gregory L., Raniwala, Rashmi, Raniwala, Sudhir, Ravel, Olivier, Razin, Sergej V., Reichhold, Dennis Michael, Reid, Jeffrey G., Renault, G., Retiere, Fabrice, Ridiger, Alexey, Ritter, Hans Georg, Roberts, Jabus B., Rogachevski, O. V., Romero, Juan L., Rose, A., Roy, Christelle Sophie, Ruan, Lijuan, Rykov, Vladimir L., Sahoo, Raghunath, Sakrejda, Iwona, Salur, Sevil, Sandweiss, Jack H., Savin, Igor A., Schambach, Joachim, Scharenberg, Rolf Paul, Schmitz, Norbert, Schroeder, Lee S., Schweda, Kai, Seger, Janet Elizabeth, Seliverstov, D., Seyboth, Peter, Shahaliev, Ehtiram, Shao, M., Sharma, M., Shestermanov, Konstantin E., Shimanskii, S. S., Singaraju, Rama Narayana, Simon, F., Skoro, Goran P., Smirnov, Nikolai, Snellings, Raimond, Sood, Gopika, Sorensen, Paul Richard, Sowinski, James, Spinka, Harold. M., Srivastava, Brijesh Kumar, Stanislaus, T.D. Shirvel, Stock, Reinhard, Stolpovsky, Alexander, Strichanov, Michail Nikolaevič, Stringfellow, Blair, Struck, Christof, Suaide, Alexandre Alarcon do Passo, Sugarbaker, Evan R., Suire, Christophe Pierre, Šumbera, Michal, Surrow, Bernd, Symons, Timothy James MacNeil, Toledo, Alejandro Szanto de, Szarwas, Piotr, Tai, An, Takahashi, Jun, Tang, Aihong, Thein, Dylan, Thomas, James H., Tikhomirov, V., Tokarev, Mikhail V., Tonjes, Marguerite Belt, Trentalange, Stephen, Tribble, Robert E., Trivedi, M. D., Trofimov, V., Tsai, Oleg D., Ullrich, Thomas, Underwood, David G., Van Buren, Gene, VanderMolen, A. M., Vasiliev, Alexander Nikolaevich, Vasiliev, M., Vigdor, Steven E., Viyogi, Yogendra P., Voloshin, Sergei, Waggoner, William T., Wang, F., Wang, Gang, Wang, X. L., Wang, Z. M., Ward, H., Watson, J. W., Wells, R., Westfall, Gary D., Whitten, Charles A., Wieman, Howard, Willson, Robert, Wissink, Scott W., Witt, Richard, Wood, J., Wu, J., Xu, Nu, Xu, Z., Xu, Z. Z., Yakutin, A. E., Yamamoto, E., Yang, J., Yepes, Pablo P., Yurevich, Vladimir Yurevich, Zanevski, Y. V., Zborovský, I., Zhang, Haitao, Zhang, H. Y., Zhang, W. M., Zhang, Z. P., Żołnierczuk, Piotr Adam, Zoulkarneev, R., Zoulkarneeva, J., Zubarev, A. N., Adams, John, Adler, Clemens, Aggarwal, Madan Mohan, Ahammed, Zubayer, Amonett, John, Anderson, Bryon D., Anderson, Mike, Arkhipkin, Dmitry A., Averichev, Georgy S., Badyal, S. K., Balewski, Jan, Barannikova, Olga, Barnby, Lee Stuart, Baudot, Jérome, Bekele, Selemon, Belaga, Victoria Vladimirovna, Bellwied, Rene, Berger, Jens, Bezverkhny, B. I., Bhardwaj, S., Bhaskar, P., Bhati, Ashok Kumar, Bichsel, Hans, Billmeier, Anja, Bland, Leslie C., Blyth, Charles O., Bonner, Billy E., Botje, Michiel, Boucham, Abdelkrim, Brandin, Andrei V., Bravar, Alessandro, Cadman, Robert V., Cai, Xiang-Zhou, Caines, Helen Louise, Calderón de la Barca Sánchez, Manuel, Cardenas, Andrés, Carroll, J., Castillo Castellanos, Javier Ernesto, Castro, M., Cebra, Daniel A., Chaloupka, Petr, Chattopadhyay, S., Chen, H. F., Chen, Y., Chernenko, S. P., Cherney, Michael Gerard, Chikanian, Alexei, Choi, B., Christie, William, Coffin, Jean Pierre, Cormier, Thomas Michael, Cramer, John G., Crawford, Henry J., Das, Debasish, Das, Supriya, Derevschikov, Anatoly A., Didenko, Lidia, Dietel, Thomas, Dong, Xin, Draper, James E., Du, F., Dubey, Anand Kumar, Dunin, V. B., Dunlop, James C., Dutta Majumdar, Mihir Ranjan, Eckardt, Volker, Efimov, Leonid G., Emelianov, V., Engelage, Jon M., Eppley, Geary Wareham, Erazmus, Barbara Ewa, Fachini, Patricia, Faine, V., Faivre, Julien, Fatemi, Renee H., Filimonov, Kirill, Filip, Peter, Finch, Evan, Fisyak, Yuri V., Flierl, Dominik Bernhard, Foley, K. J., Fu, J., Gagliardi, Carl A., Ganti, Murthy S., Gutierrez, Thomas Dominic, Gagunashvili, N., Gans, J., Gaudichet, L., Germain, Marie, Geurts, Frank, Ghazikhanian, Vahe, Ghosh, Premomoy, Gonzalez, Johan Enmanuel, Grachov, Oleg A., Grigoriev, Vladislav A., Gronstal, S., Grosnick, David P., Guedon, M., Guertin, Steven M., Gupta, Anik, Gushin, E., Hallman, Timothy J., Hardtke, David H., Harris, John W., Heinz, Mark Thomas, Henry, Thomas W., Heppelmann, Steven Francis, Herston, T., Hippolyte, Boris, Hirsch, Andrew S., Hjort, Eric, Hoffmann, Gerald W., Horsley, M., Huang, Huan Zhong, Huang, Shengli, Humanic, Thomas J., Igo, George J., Ishihara, A., Jacobs, Peter Martin, Jacobs, William W., Janik, Michał, Johnson, I., Jones, Peter Graham, Judd, Eleanor G., Kabana, Sonia, Kaneta, Kaneta, Kaplan, Morton, Keane, Declan, Kiryluk, Joanna, Kisiel, Adam Ryszard, Klay, Jennifer Lynn, Klein, Spencer Robert, Klyachko, A., Koetke, Donald D., Kollegger, Thorsten, Konstantinov, A. S., Kopytine, Mikhail L., Kotchenda, L., Kovalenko, A. D., Kramer, M., Kravtsov, Peter, Krueger, Keith William, Kuhn, Christian Claude, Kulikov, Anatoly I., Kumar, Ajay, Kunde, Gerd J., Kunz, Christopher Lee, Kutuev, R. Kh., Kuznetsov, A. A., Lamont, Matthew A. C., Landgraf, Jeffery M., Lange, S., Lansdell, Curtis Patrick Leon, Lasiuk, Brian, Laue, Frank, Lauret, Jerome, Lebedev, Alexei, Lednický, Richard, Leontiev, V. M., LeVine, Micheal J., Li, C., Li, Q., Lindenbaum, Sam J., Lisa, Michael A., Liu, Feng, Liu, L., Liu, Z., Liu, Q. J., Ljubicic, Tonko A., Llope, William Joseph, Long, H., Longacre, Ronald S., Lopez-Noriega, M., Love, William A., Ludlam, Thomas, Lynn, David, Ma, Jing-guo, Ma, Yu-Gang, Magestro, Daniel, Mahajan, Sanjay, Mangotra, Lalit K., Mahapatra, D. P., Majka, Richard Daniel, Manweiler, Robert W., Margetis, Spyridon, Markert, Christina, Martin, L., Marx, Jay N., Matis, Howard S., Matulenko, Yuri A., McShane, Tom S., Meissner, F., Melnick, Yu., Meščanin, Aleksei P., Messer, Matthias, Miller, M. L., Milosevich, Z., Minaev, Nikolai G., Mironov, Camelia, Mishra, Debadeepti, Mitchell, J., Mohanty, Bedangadas, Molnar, Levente, Moore, C. F., Mora-Corral, M. J., Morozov, V., de Moura, M. M., Munhoz, Marcelo Gameiro, Nandi, Basanta Kumar, Nayak, S. K., Nayak, Tapan Kumar, Nelson, John M., Nevski, P., Nikitin, Vladimir A., Nogach, Larisa V., Norman, B., Nurušev, Sandibek B., Odyniec, Grazyna Janina, Ogawa, Akio, Okorokov, Vitaly A., Oldenburg, Markus D., Olson, Douglas L., Paic, Guy, Pandey, S. U., Pal, Susanta Kumar, Panebratsev, Yuri, Panitkin, Sergei Yurievich, Pavlinov, A. I., Pawlak, Tomasz Jan, Perevoztchikov, Victor, Peryt, Wiktor Stanislaw, Petrov, V. A., Phatak, S. C., Picha, R., Planinic, Mirko, Pluta, Jan Marian, Porile, Norbert T., Porter, Jeffrey Brent, Poskanzer, Arthur M., Potekhin, Maxim, Potrebenikova, E., Potukuchi, Baba V. K. S., Prindle, Duncan J., Pruneau, Claude A., Putschke, Jörn H., Rai, Gulshan, Rakness, Gregory L., Raniwala, Rashmi, Raniwala, Sudhir, Ravel, Olivier, Razin, Sergej V., Reichhold, Dennis Michael, Reid, Jeffrey G., Renault, G., Retiere, Fabrice, Ridiger, Alexey, Ritter, Hans Georg, Roberts, Jabus B., Rogachevski, O. V., Romero, Juan L., Rose, A., Roy, Christelle Sophie, Ruan, Lijuan, Rykov, Vladimir L., Sahoo, Raghunath, Sakrejda, Iwona, Salur, Sevil, Sandweiss, Jack H., Savin, Igor A., Schambach, Joachim, Scharenberg, Rolf Paul, Schmitz, Norbert, Schroeder, Lee S., Schweda, Kai, Seger, Janet Elizabeth, Seliverstov, D., Seyboth, Peter, Shahaliev, Ehtiram, Shao, M., Sharma, M., Shestermanov, Konstantin E., Shimanskii, S. S., Singaraju, Rama Narayana, Simon, F., Skoro, Goran P., Smirnov, Nikolai, Snellings, Raimond, Sood, Gopika, Sorensen, Paul Richard, Sowinski, James, Spinka, Harold. M., Srivastava, Brijesh Kumar, Stanislaus, T.D. Shirvel, Stock, Reinhard, Stolpovsky, Alexander, Strichanov, Michail Nikolaevič, Stringfellow, Blair, Struck, Christof, Suaide, Alexandre Alarcon do Passo, Sugarbaker, Evan R., Suire, Christophe Pierre, Šumbera, Michal, Surrow, Bernd, Symons, Timothy James MacNeil, Toledo, Alejandro Szanto de, Szarwas, Piotr, Tai, An, Takahashi, Jun, Tang, Aihong, Thein, Dylan, Thomas, James H., Tikhomirov, V., Tokarev, Mikhail V., Tonjes, Marguerite Belt, Trentalange, Stephen, Tribble, Robert E., Trivedi, M. D., Trofimov, V., Tsai, Oleg D., Ullrich, Thomas, Underwood, David G., Van Buren, Gene, VanderMolen, A. M., Vasiliev, Alexander Nikolaevich, Vasiliev, M., Vigdor, Steven E., Viyogi, Yogendra P., Voloshin, Sergei, Waggoner, William T., Wang, F., Wang, Gang, Wang, X. L., Wang, Z. M., Ward, H., Watson, J. W., Wells, R., Westfall, Gary D., Whitten, Charles A., Wieman, Howard, Willson, Robert, Wissink, Scott W., Witt, Richard, Wood, J., Wu, J., Xu, Nu, Xu, Z., Xu, Z. Z., Yakutin, A. E., Yamamoto, E., Yang, J., Yepes, Pablo P., Yurevich, Vladimir Yurevich, Zanevski, Y. V., Zborovský, I., Zhang, Haitao, Zhang, H. Y., Zhang, W. M., Zhang, Z. P., Żołnierczuk, Piotr Adam, Zoulkarneev, R., Zoulkarneeva, J., and Zubarev, A. N.

Abstract

We present the results of charged particle fluctuations measurements in Au+Au collisions at sqrt[sNN ]=130 GeV using the STAR detector. Dynamical fluctuations measurements are presented for inclusive charged particle multiplicities as well as for identified charged pions, kaons, and protons. The net charge dynamical fluctuations are found to be large and negative providing clear evidence that positive and negative charged particle production is correlated within the pseudorapidity range investigated. Correlations are smaller than expected based on model-dependent predictions for a resonance gas or a quark-gluon gas which undergoes fast hadronization and freeze-out. Qualitative agreement is found with comparable scaled p+p measurements and a heavy ion jet interaction generation model calculation based on independent particle collisions, although a small deviation from the 1/N scaling dependence expected from this model is observed.

Published
2003

22. GM2-gangliosidosis variant 0 (Sandhoff-like disease) in a family of Japanese domestic cats.

Author

Yamato, O., Matsunaga, S., Takata, K., Uetsuka, K., Satoh, H., Shoda, T., Baba, V., Yasoshima, A., Kato, K., Takahashi, K., Yamasaki, M., Nakayama, H., Doi, K., Maede, Y., and Ogawa, H.

Subjects
TAY-Sachs disease, CAT diseases, DWARFISM, ATAXIA, LEUCOCYTOSIS, GANGLIOSIDES
Abstract

A five-month-old, female Japanese domestic shorthair cat with proportionate dwarfism developed neurological disorders, including ataxia, decreased postural responses and generalised body and head tremors, at between two and five months of age. Leucocytosis due to lymphocytosis with abnormal cytoplasmic vacuolations was observed. The concentration of GM2-ganglioside in its cerebrospinal fluid was markedly higher than in normal cats, and the activities of 3-hexosaminidases A and B in its leucocytes were markedly reduced. On the basis of these biochemical data, the cat was diagnosed antemortem with GM2-gangliosidosis variant 0 (Sandhoff-like disease). The neurological signs became more severe and the cat died at 10 months of age. Histopathologically, neurons throughout the central nervous system were distended, and an ultrastructural study revealed membranous cytoplasmic bodies in these distended neurons. The compound which accumulated in the brain was identified as GM2-ganglioside, confirming GM2-gangliosidosis. A family study revealed that there were probable heterozygous carriers in which the activities of leucocyte 3-hexosaminidases A and B were less than half the normal value. The Sandhoff-like disease observed in this family of Japanese domestic cats is the first occurrence reported in Japan. [ABSTRACT FROM AUTHOR]

Published
2004

24. COVID-19 in the WITS academic circuit.

Author

Wise, A., Adam, M., Baba, V., Bhoora, S., Chauke, L., Georgiou, C., Lombaard, H., Melamu, M., Mlandu, P., Mosoaledi, N., Ramela, N., and Adam, Y.

Subjects
*COVID-19, *MEDICAL personnel, *HEALTH facilities, *MEDICAL students, *COMMUNICABLE diseases
Published
2020

25. Safety and implementation of a phase 1 randomized GLA-SE-adjuvanted CH505TF gp120 HIV vaccine trial in newborns.

Author

Violari A, Otwombe K, Hahn W, Chen S, Josipovic D, Baba V, Angelidou A, Smolen KK, Levy O, Mkhize NN, Woodward AS, Martin TM, Haynes B, Williams WB, Sagawa ZK, Kublin J, Polakowski L, Isaacs MB, Yen C, Tomaras G, Corey L, Janes H, and Gray G

Abstract

Background: The neonatal immune system is uniquely poised to generate broadly neutralizing antibodies (bnAbs) and thus infants are ideal for evaluating HIV vaccine candidates. We present the design and safety of a novel glucopyranosyl lipid A (GLA)-stable emulsion (SE) adjuvant admixed with a first-in-infant CH505 transmitter-founder (CH505TF) gp120 immunogen designed to induce precursors for bnAbs against HIV., Methods: HVTN 135 is a phase I randomized, placebo-controlled trial of CH505TF+GLA-SE or placebo. Healthy infants in South Africa aged ≤5 days, born to mothers living with HIV but HIV nucleic acid negative at birth were randomized to five doses of CH505TF + GLA-SE or placebo at birth and 8, 16, 32, and 54 weeks., Results: 38 infants (median age = 4 days; interquartile range 4, 4.75 days) were enrolled November 2020 to January 2022. Among 28 (10) infants assigned to receive CH505TF + GLA-SE (placebo), most (32/38) completed the 5-dose immunization series and follow-up (35/38). Solicited local and systemic reactions were more frequent in vaccine (8, 28.6% local; 16, 57.1% systemic) vs. placebo recipients (1, 10% local, p = 0.25; 4, 40.0% systemic, p = 0.38). All events were Grade 1 except two Grade 2 events (pain, lethargy). Serious vaccine-related adverse events were not recorded., Conclusions: This study illustrates the feasibility of conducting trials of novel adjuvanted HIV vaccines in HIV-exposed infants receiving standard infant vaccinations. The safety profile of the CH505TF + GLA-SE vaccine was reassuring., Trial Registration: ClinicalTrials.gov NCT04607408., Funding: National Institute of Allergy and Infectious Diseases (NIAID) at the National Institutes of Health (NIH)., Competing Interests: Declaration of interests OL is a named inventor on patents relating to vaccine adjuvants and to human in vitro systems that model the safety and immunogenicity of adjuvants, vaccines and immunomodulators. He serves as a consultant to GSK and Hillevax and is a co-founder of Ovax, Inc. All other authors declare no conflict of interest.

Published
2024
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26. Experience on postmortem minimally invasive tissue sampling to ascertain the cause of death determination in South African children: A case for implementing as standard of care.

Author

Du Toit J, Storath K, Dunn I, Makekeng P, Moosa M, Mothibi K, Umuneza N, Rees CA, Blau D, Lala S, Adam Y, Velaphi S, Hale M, Swart P, Wadula J, Mothibi L, Wise A, Baba V, Jaglal P, Mahtab S, Madhi S, and Dangor Z

Subjects
Child, Infant, Newborn, Pregnancy, Female, Humans, South Africa, Cause of Death, Stillbirth, Autopsy, Standard of Care, Child Mortality
Abstract

Determining the death burden for prioritising public health interventions necessitates detailed data on the causal pathways to death. Postmortem minimally invasive tissue sampling (MITS), incorporating histology, molecular and microbial culture diagnostics, enhances cause-of-death attribution, particularly for infectious deaths. MITS proves a valid alternative to full diagnostic autopsies, especially in low- and middle-income countries. In Soweto, South Africa (SA), the Child Health and Mortality Prevention Surveillance (CHAMPS) programme has delineated over 1 000 child and stillbirth deaths since 2017. This SA CHAMPS site supports advocating for the use of postmortem MITS as routine practice, for more granular insights into under-5 mortality causes. This knowledge is crucial for SA's pursuit of Sustainable Development Goal 3.2, targeting reduced neonatal and under-5 mortality rates. This commentary explores the public health advantages and ethicolegal considerations surrounding implementing MITS as standard of care for stillbirths, neonatal and paediatric deaths in SA. Furthermore, based on the data from CHAMPS, we present three pragmatic algorithmic approaches to the wide array of testing options for cost-effectiveness and scalability of postmortem MITS in South African state facilities.

Published
2024
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28. Early-onset group B streptococcal disease in African countries and maternal vaccination strategies.

Author

Dangor Z, Seale AC, Baba V, and Kwatra G

Subjects
Pregnancy, Female, Infant, Newborn, Humans, Vaccination, Anti-Bacterial Agents therapeutic use, Africa South of the Sahara epidemiology, Streptococcus agalactiae, Pregnancy Complications, Infectious prevention & control, Streptococcal Vaccines therapeutic use, Streptococcal Infections prevention & control, Streptococcal Infections microbiology
Abstract

Invasive group B streptococcal (GBS) disease is the commonest perinatally-acquired bacterial infection in newborns; the burden is higher in African countries where intrapartum antibiotic prophylaxis strategies are not feasible. In sub-Saharan Africa, almost one in four newborns with GBS early-onset disease will demise, and one in ten survivors have moderate or severe neurodevelopmental impairment. A maternal GBS vaccine to prevent invasive GBS disease in infancy is a pragmatic and cost-effective preventative strategy for Africa. Hexavalent polysaccharide protein conjugate and Alpha family surface protein vaccines are undergoing phase II clinical trials. Vaccine licensure may be facilitated by demonstrating safety and immunological correlates/thresholds suggestive of protection against invasive GBS disease. This will then be followed by phase IV effectiveness studies to assess the burden of GBS vaccine preventable disease, including the effect on all-cause neonatal infections, neonatal deaths and stillbirths., Competing Interests: AS is employed by the Bill and Melinda Gates Foundation. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Dangor, Seale, Baba and Kwatra.)

Published
2023
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29. Presentation and outcomes of Listeria-affected pregnancies in Johannesburg tertiary hospitals: A 2-year review.

Author

Iiyambo OJ, Baba V, Thomas J, Sekwadi P, and Naidoo P

Subjects
Infant, Newborn, Infant, Pregnancy, Female, Humans, Male, Cesarean Section, Retrospective Studies, Tertiary Care Centers, South Africa epidemiology, Pregnancy Outcome epidemiology, Listeria, Puerperal Infection, Listeriosis diagnosis, Listeriosis epidemiology
Abstract

Objective: To describe maternal risk factors, presentations, peripartum findings, and pregnancy outcomes in Listeria monocytogenes-infected women., Methods: A retrospective descriptive case review. The records of 51 pregnant women infected with listeriosis who delivered infants between February 1, 2016 and February 28, 2018 at three academic hospitals in Johannesburg, South Africa, were included. The diagnosis of listeriosis was made on maternal/neonatal-sampled blood or tissue cultures., Results: Forty-eight (82.3%) Listeria infections of maternal and neonatal listeriosis were diagnosed on blood culture. The median gestational age at diagnosis was at a preterm gestation of 33 (20-43) weeks. Twenty-eight women (54.9%) had normal vaginal deliveries. Precipitous labor was described in 18 (39%) of these women. Fetal distress was the indication for cesarean section in 22 (41.2%) women. Meconium-stained amniotic fluid was found in 21 (61.7%) women at the time of delivery. The category of very low birth weight had 14 (27.4%) neonates with an Apgar score of less than 7 at 5 min. Maternal morbidities included chorioamnionitis (3 [5.8%]) and puerperal infections (7 [13.7%]). The HIV-positive anemic women had a tendency towards listerial infections., Conclusions: Symptoms of listeriosis were non-specific and diagnosis was detected on blood culture sampling. Risk factors included HIV seropositivity and were associated with puerperal infections and anemia., (© 2022 The Authors. International Journal of Gynecology & Obstetrics published by John Wiley & Sons Ltd on behalf of International Federation of Gynecology and Obstetrics.)

Published
2023
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30. Antepartum SARS-CoV-2 infection and adverse birth outcomes in South African women.

Author

Nunes MC, Jones S, Strehlau R, Baba V, Ditse Z, da Silva K, Bothma L, Serafin N, Baillie VL, Kwatra G, Burke M, Wise A, Adam M, Mlandu P, Melamu M, Phelp J, Fraser W, Wright C, Zell E, Adam Y, and Madhi SA

Subjects
Pregnancy, Infant, Newborn, Female, Humans, SARS-CoV-2, South Africa epidemiology, Birth Weight, Longitudinal Studies, COVID-19 epidemiology, HIV Infections, Premature Birth epidemiology
Abstract

Background: SARS-CoV-2 infection in pregnant women has been associated with severe illness in the women and higher rates of premature delivery. There is, however, paucity of data on the impact of the timing of SARS-CoV-2 infection and on symptomatic or asymptomatic infections on birth outcomes. Data from low-middle income settings is also lacking., Methods: We conducted a longitudinal study from April 2020 to March 2021, in South Africa, where symptomatic or asymptomatic pregnant women were investigated for SARS-CoV-2 infection during the antepartum period. We aimed to evaluate if there was an association between antepartum SARS-CoV-2 infection on birth outcomes. SARS-CoV-2 infection was investigated by nucleic acid amplification test (NAAT), histological examination was performed in a sub-set of placentas., Results: Overall, 793 women were tested for SARS-CoV-2 antenatally, including 275 (35%) who were symptomatic. SARS-CoV-2 infection was identified in 138 (17%) women, of whom 119 had symptoms (COVID-19 group) and 19 were asymptomatic. The 493 women who were asymptomatic and had a negative SARS-CoV-2 NAAT were used as the referent comparator group for outcomes evaluation. Women with COVID-19 compared with the referent group were 1.66-times (95% confidence interval (CI) = 1.02-2.71) more likely to have a low-birthweight newborn (30% vs 21%) and 3.25-times more likely to deliver a very low-birthweight newborn (5% vs 2%). Similar results for low-birthweight were obtained comparing women with SARS-CoV-2 confirmed infection (30%) with those who had a negative NAAT result (22%) independent of symptoms presentation. The placentas from women with antenatal SARS-CoV-2 infection had higher percentage of chorangiosis (odds ratio (OR) = 3.40, 95% CI = 1.18-.84), while maternal vascular malperfusion was more frequently identified in women who tested negative for SARS-CoV-2 (aOR = 0.28, 95% CI = 0.09-0.89)., Conclusions: Our study demonstrates that in a setting with high HIV infection prevalence and other comorbidities antenatal SARS-CoV-2 infection was associated with low-birthweight delivery., Competing Interests: Disclosure of interest: The authors completed the ICMJE Disclosure of Interest Form. MCN reports grants to her institution from the Bill & Melinda Gates Foundation, European & Developing Countries Clinical Trials Partnership, Pfizer, AstraZeneca and Sanofi. Personal honoraria received from Pfizer and Sanofi unrelated to the manuscript. SAM reports grants to his institution related to COVID-19 epidemiology and vaccine studies from the Bill & Melinda Gates Foundation, South African Medical Research Council, Novavax, Pfizer, Gritstone (PATH), Providence, Johnson and Johnson, AstraZeneca and European & Developing Countries Clinical Trials Partnership. Additional non-COVID-19 grants to the institution also received from GSK and Minervax. Personal honoraria received from Bill & Melinda Gates Foundation unrelated to the manuscript. Other authors disclose no relevant interests., (Copyright © 2022 by the Journal of Global Health. All rights reserved.)

Published
2022
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31. Active Intrapartum SARS-CoV-2 Infection and Pregnancy Outcomes.

Author

Nunes MC, Jones S, Strehlau R, Baba V, Ditse Z, da Silva K, Bothma L, Serafin N, Baillie VL, Kwatra G, Burke M, Wise A, Adam M, Mlandu P, Melamu M, Phelp J, Fraser W, Wright C, Zell E, Adam Y, and Madhi SA

Subjects
Infant, Newborn, Female, Pregnancy, Humans, Male, SARS-CoV-2, Pregnancy Outcome, Cross-Sectional Studies, Placenta pathology, Infectious Disease Transmission, Vertical, COVID-19, Chorioamnionitis pathology, Pregnancy Complications, Infectious, Premature Birth pathology
Abstract

Objective: Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) infection during pregnancy has been associated with poor pregnancy outcomes. There is, however, not much information on the impact of the timing of SARS-CoV-2 infection on pregnancy outcomes, and studies from low-middle income settings are also scarce., Study Design: We conducted a cross-sectional study from April to December 2020, in South Africa, to assess the association of SARS-CoV-2 infection on a nasal swab at the time of labor with fetal death, preterm birth, low birth weight, or pregnancy-induced complications. When possible, maternal blood, cord blood, and placenta were collected. SARS-CoV-2 infection was investigated by a nucleic acid amplification test (NAAT)., Results: Overall, 3,117 women were tested for SARS-CoV-2 on a nasal swab, including 1,562 (50%) healthy women with uncomplicated term delivery. A positive NAAT was detected among 132 (4%) women. Adverse birth outcomes or pregnancy-related complications were not associated with SARS-CoV-2 infection at the time of labor. Among SARS-CoV-2-infected women, an NAAT-positive result was also obtained from 6 out of 98 (6%) maternal blood samples, 8 out of 93 (9%) cord-blood samples, 14 out of 54 (26%) placentas, and 3 out of 22 (14%) nasopharyngeal swabs from newborns collected within 72 hours of birth. Histological assessment of placental tissue revealed that women with SARS-CoV-2 nasal infection had a higher odds (3.82, 95% confidence interval: 1.20, 12.19) of chronic chorioamnionitis compared with those without SARS-CoV-2 infection., Conclusion: Our study demonstrates that intrapartum, SARS-CoV-2 infection was not associated with evaluated poor outcomes. In utero fetal and placental infections and possible vertical and/or horizontal viral transfer to the newborn were detected among women with nasal SARS-CoV-2 infection., Key Points: · Intrapartum SARS-CoV-2 infection was not associated with evaluated poor outcomes.. · In utero fetal and placental infections were detected among women with nasal SARS-CoV-2 infection.. · Women with SARS-CoV-2 nasal infection had a higher odds of chronic chorioamnionitis.., Competing Interests: None declared., (Thieme. All rights reserved.)

Published
2022
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32. Maternal-foetal transfer of severe acute respiratory syndrome coronavirus 2 antibodies among women with and those without HIV infection.

Author

Nunes MC, Jones S, Ditse Z, da Silva K, Serafin N, Strehlau R, Wise A, Burke M, Baba V, Baillie VL, Nzimande A, Jafta N, Adam M, Mlandu P, Melamu M, Phelp J, Feldman C, Adam Y, Madhi SA, and Kwatra G

Subjects
Adult, Aged, Antibodies, Viral, Female, Humans, Immunoglobulin G, Infant, Newborn, Pregnancy, SARS-CoV-2, Spike Glycoprotein, Coronavirus, COVID-19, HIV Infections
Abstract

In pregnant women, antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein cross the placenta and can be detected in cord-blood at the time of delivery. We measured SARS-CoV-2 full-length antispike IgG in blood samples collected from women living with HIV (WLWHIV) and without HIV when presenting for labour, and from paired cord-blood samples. Antispike IgG was measured in maternal blood at delivery on the Luminex platform. Cord-blood samples from newborns of women in with detectable antispike IgG were analysed. The IgG geometric mean concentrations (GMCs) and the percentage of cord-blood samples with detectable antispike IgG were compared between WLWHIV and without HIV. A total of 184 maternal and cord-blood pairs were analysed, including 47 WLWHIV and 137 without HIV. There was no difference in antispike GMCs between WLWHIV and without HIV [157 binding antibody units (BAU)/ml vs. 187 BAU/ml; P  = 0.17)]. Cord-blood samples from newborns of WLWHIV had lower GMCs compared with those without HIV (143 vs. 205 BAU/ml; P  = 0.033). Cord-to-maternal blood antibody ratio was 1.0 and similar between the two HIV groups. In WLWHIV, those who were 30 years old or less had lower cord-to-maternal blood antibody ratio (0.75 vs. 1.10; P  = 0.037) and their newborns had lower cord-blood GMCs (94 vs. 194 BAU/ml; P  = 0.04) compared with the older women. Independently of maternal HIV infection status, there was efficient transplacental transfer of antispike antibodies. The GMCs in cord-blood from newborns of WLWHIV were lower than those in HIV-unexposed newborns., (Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.)

Published
2022
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33. COVID-19 Issues in Long-Term Care in Ontario: A Document Analysis.

Author

Oldenburger D, Baumann A, Crea-Arsenio M, Deber R, and Baba V

Subjects
Humans, Leadership, Ontario epidemiology, COVID-19 epidemiology, Long-Term Care
Abstract

The COVID-19 crisis in long-term care in Canada has been characterized as a crisis upon a crisis. This study examines recent documents on the crisis in long-term care in Ontario, using document and thematic analysis to synthesize issues and recommendations from the perspectives of different groups and organizations. Thirty-three documents from 20 organizations were analysed and six thematic areas were identified: resident care; human resources; governance, leadership and management; financing; physical infrastructure and supplies; and training and preparation. The six common themes, as perceived by different perspectives, can inform policy makers on long-term care issues., (Copyright © 2022 Longwoods Publishing.)

Published
2022
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34. Selection of the best healthcare waste disposal techniques during and post COVID-19 pandemic era.

Author

Manupati VK, Ramkumar M, Baba V, and Agarwal A

Abstract

In recent years, municipal authorities especially in the developing nations are battling to select the best health care waste (HCW) disposal technique for the effective treatment of the medical wastes during and post COVID-19 era. As evaluation of various disposal alternatives of HCW and selection of the best technique requires considering various tangible and intangible criteria, this can be framed as multi-criteria decision-making (MCDM) problem. In this paper, we propose an assessment framework for the selection of the best HCW disposal technique based on socio-technical and triple bottom line perspectives. We have identified 10 criteria on which the best HCW disposal techniques to be selected based on extant literature review. Next, we use Fuzzy VIKOR method to evaluate 9 HCW disposal alternatives. The effectiveness of the proposed framework has been demonstrated with a real-life case study in Indian context. To check the robustness of the proposed methodology, we have compared the results obtained with Fuzzy TOPSIS (Technique of Order Preference Similarity to the Ideal Solution). The results help the municipal authorities to establish a methodical approach to choose the best HCW disposal techniques. Our findings indicate that incineration is the best waste disposal technique among the available alternatives. Even if the dataset indicates 'incineration' is the best method, we must not forget about the environmental concerns arising from this method. In COVID time, incineration may be the best method as indicated by the data analysis, but "COVID" should not be an excuse for causing "Environmental Pollution"., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2020 Elsevier Ltd. All rights reserved.)

Published
2021
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35. Job stress and burnout among Canadian managers and nurses: an empirical examination.

Author

Jamal M and Baba VV

Subjects
Canada epidemiology, Hospital Administrators statistics & numerical data, Humans, Nursing Staff, Hospital statistics & numerical data, Regression Analysis, Surveys and Questionnaires, Urban Population, Workplace psychology, Burnout, Professional epidemiology, Hospital Administrators psychology, Nursing Staff, Hospital psychology, Occupational Health statistics & numerical data
Abstract

This study examined the relationship of job stress with burnout and its three dimensions (emotional exhaustion, lack of accomplishment and depersonalization), job satisfaction, organizational commitment and psychosomatic health problems. Data were collected by means of a structured questionnaire from Canadian managers (N = 67) and nurses (N = 173). Pearson correlation and moderated multiple regression were used to analyze the data. Job stress was significantly correlated with overall burnout and its three dimensions and job satisfaction in both samples. In the nursing sample, job stress was also significantly correlated with psychosomatic health problems and organizational commitment. Moderated multiple regression only marginally supported the role of gender as a moderator of stress-burnout relationship.

Published
2000

36. Occupational mental health: a study of work-related depression among nurses in the Caribbean.

Author

Baba VV, Galperin BL, and Lituchy TR

Subjects
Absenteeism, Adult, Burnout, Professional prevention & control, Depression prevention & control, Female, Humans, Linear Models, Male, Models, Psychological, Occupational Diseases prevention & control, Personnel Turnover, Professional Autonomy, Social Support, Stress, Psychological psychology, West Indies, Workload, Burnout, Professional psychology, Depression psychology, Nursing Staff, Hospital psychology, Occupational Diseases psychology
Abstract

This study addresses issues of occupational mental health among nurses in the Caribbean. A linear model linking role, work and social factors, stress, burnout, depression, absenteeism and turnover intention guides the research. Data were collected from 119 nurses working for major hospitals located in St. Vincent and Trinidad & Tobago using a field survey. Psychometrically sound instruments with proven cross-cultural validity were utilized in the questionnaire. Descriptive statistics, correlations, and path analysis were used to analyze the data. The results indicated fairly strong support for the proposed model which is tested for the first time among a Caribbean population. Role conflict, role overload and social support predicted stress, which along with social support predicted burnout. Burnout was the sole predictor of depression which in turn predicted both absenteeism and turnover intention. Implications of these findings for research and practice are discussed.

Published
1999
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