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490 results on '"Lake M"'

2. Optical quenching and recovery of photoconductivity in single-crystal diamond

Author

Chen, J, Lourette, S, Rezai, K, Hoelzer, T, Lake, M, Nesladek, M, Bouchard, L-S, Hemmer, P, and Budker, D

Subjects
physics.optics, cond-mat.mes-hall, Physical Sciences, Engineering, Technology, Applied Physics
Abstract

We study the photocurrent induced by pulsed-light illumination (pulse duration is several nanoseconds) of single-crystal diamond containing nitrogen impurities. Application of additional continuous-wave light of the same wavelength quenches pulsed photocurrent. Characterization of the optically quenched photocurrent and its recovery is important for the development of diamond based electronics and sensing.

Published
2017

6. Representations of Coherent and Squeezed States in an Extended Two-parameters Fock Space

Author

Tavassoly, M K and Lake, M H

Subjects
Quantum Physics
Abstract

Recently a $f$-deformed Fock space which is spanned by $|n>_{\lambda}$ has been introduced. These bases are indeed the eigen-states of a deformed non-Hermitian Hamiltonian. In this contribution, we will use a rather new non-orthogonal basis vectors for the construction of coherent and squeezed states, which in special case lead to the earlier known states. For this purpose, we first generalize the previously introduced Fock space spanned by $|n>_{\lambda}$ bases, to a new one, spanned by an extended two-parameters bases $|n>_{\lambda_{1},\lambda_{2}}$. These bases are now the eigen-states of a non-Hermitian Hamiltonian $H_{\lambda_{1},\lambda_{2}}=a^{\dagger}_{\lambda_{1},\lambda_{2}}a+1/2$, where $a^{\dagger}_{\lambda_{1},\lambda_{2}}=a^{\dagger}+\lambda_{1}a + \lambda_{2}$ and $a$ are respectively, the deformed creation and ordinary bosonic annihilation operators. The bases $|n>_{\lambda_{1},\lambda_{2}}$ are non-orthogonal (squeezed states), but normalizable. Then, we deduce the new representations of coherent and squeezed states, in our two-parameters Fock space. Finally, we discuss the quantum statistical properties, as well as the non-classical properties of the obtained states, numerically., Comment: 14 pages, accepted in Chinees Physics C

Published
2012

7. The human proton pump inhibitors inhibit Mycobacterium tuberculosis rifampicin efflux and macrophage-induced rifampicin tolerance

Author

Lake, M. Alexandra, primary, Adams, Kristin N., additional, Nie, Feilin, additional, Fowler, Elaine, additional, Verma, Amit K., additional, Dei, Silvia, additional, Teodori, Elisabetta, additional, Sherman, David R., additional, Edelstein, Paul H., additional, Spring, David R., additional, Troll, Mark, additional, and Ramakrishnan, Lalita, additional

Published
2023
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16. The association among cytochrome P450 3A, progesterone receptor polymorphisms, plasma 17-alpha hydroxyprogesterone caproate concentrations, and spontaneous preterm birth

Author

Luce, M., Cotroneo, M., Venkataramanan, R., Zhao, W., Harper, M., Meis, P., Swain, M., Scott, B., Leftwich, C., Norman, G., Driscoll, D., Sudz, C., Wynn, L., Blackwell, S., Thorp, J., Dorman, K., Prata, E., Hamden, K., Anderson, K., Bonnemort, S., Lund, D., Russell, J., Parsons, J., Bousleiman, S., South, S., Carmona, V., Husami, H., Lankford, C., Perez, C., Johnson, F., Landon, M., Cline, D., Walker, H., Allard, D., Tillinghast, J., Dinsmoor, M., Simon, P.J., Huntley, M., Whitaker-Carr, C., Ramos-Brinson, M., Mallett, G., Milluzzi, C., Hunter, J., Dalton, W., Ehrenberg, H., Stetzer, B., Hoffman, M., Talucci, M., Tocci, C., Wilson, S., Lake, M., Andrews, W.W., Northen, A., Parks, M., Files, P. Blake, Gilstrap, L.C., Glenn-Cole, B., Cannon, K., Thom, E., Zachary, J., Palugod, R., Leuchtenburg, L., Spong, C., Klebanoff, M., Tolivaisa, S., Anderson, G., Bustos, Martha L., Caritis, Steve N., Jablonski, Kathleen A., Reddy, Uma M., Sorokin, Yoram, Manuck, Tracy, Varner, Michael W., Wapner, Ronald J., Iams, Jay D., Carpenter, Marshall W., Peaceman, Alan M., Mercer, Brian M., Sciscione, Anthony, Rouse, Dwight J., and Ramin, Susan M.

Published
2017
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17. Dynamic networks of complex posttraumatic stress disorder and depression among college students with childhood trauma: insights from cross-sectional and cross-lagged panel network analysis

Author

Aiyi Liu, Mingxiao Liu, Yizhen Ren, Lake Mozi Zhang, and Yu Peng

Subjects
CPTSD symptoms, depression, network analysis, college students, childhood trauma, longitudinal study, Psychiatry, RC435-571
Abstract

Background and Objective: There is a current research gap regarding the symptom structure and underlying causal relationships between complex posttraumatic stress disorder (CPTSD) and depressive symptoms. This longitudinal study used a cross-sectional network and cross-lag panel network (CLPN) to examine how CPTSD and depression symptoms interact over time in Chinese college students with childhood trauma.Methods: From 18,933 college students who took part in 2 surveys 12 months apart, 4006 participants (mean age: 20.07 ± 2.04) who reported childhood trauma were screened. Within this sample, there were 2354 (58.8%) males and 1652 (41.2%) females.Results: In the one-year interval CLPN model, it was found that depressive symptoms may precede other symptoms. Specifically, negative emotions and negative self-evaluations are more likely to predict subsequent symptoms. Conversely, in CPTSD, symptoms related to fear and anxiety, such as avoidance, intrusion, and hyperarousal, are more frequently activated by other symptoms, including negative emotionsConclusions: This finding offers a novel perspective on the interplay between CPTSD and depression, extending the existing theory. From a clinical standpoint, the points of intervention for comorbidity between depression and CPTSD who have experienced childhood trauma differ across different stages.

Published
2024
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18. Cervical length distribution and other sonographic ancillary findings of singleton nulliparous patients at midgestation

Author

Costantine, Maged M., primary, Ugwu, Lynda, additional, Grobman, William A., additional, Mercer, Brian M., additional, Tita, Alan T.N., additional, Rouse, Dwight J., additional, Sorokin, Yoram, additional, Wapner, Ronald J., additional, Blackwell, Sean C., additional, Tolosa, Jorge E., additional, Thorp, John M., additional, Caritis, Steve N., additional, Peaceman, A., additional, Dinsmoor, M., additional, Mallett, G., additional, Senka, J., additional, Johnson, F., additional, Iams, J., additional, Cline, D., additional, Latimer, C., additional, Frantz, S., additional, Fyffe, S., additional, Shubert, P., additional, Gerwig, L., additional, Milluzzi, C., additional, Dalton, W., additional, Russo, J., additional, Myers, S., additional, Waters, T., additional, Dotson, T., additional, Andrews, W., additional, Northen, A., additional, Sheppard, J., additional, Grant, J., additional, Rouse, D., additional, Allard, D., additional, Hunt, J., additional, Tillinghast, J., additional, Bethelemy, M., additional, Gardner, D., additional, Duquette, C., additional, Hauff, N., additional, Norman, G., additional, King, M., additional, Allen, D., additional, Smith, T., additional, Miller, R., additional, Bousleiman, S., additional, Plante, L., additional, Tocci, C., additional, Ranzini, A., additional, Lake, M., additional, Hoffman, M., additional, Lynch, S., additional, Dashe, J., additional, Leveno, K., additional, Moseley, L., additional, Kingsbery, J., additional, Bludau, V., additional, Benezue, R., additional, Ortiz, F., additional, Givens, P., additional, Rech, B., additional, Moran, C., additional, Reed, P., additional, Hill, K., additional, Varner, M.W., additional, Esplin, M.S., additional, Weaver, A., additional, Alexander, S., additional, Thompson-Garbrecht, D., additional, Miller, J., additional, Acosta, R., additional, Flores, C., additional, Ricon, M., additional, Smith, W., additional, Butcher, S., additional, Segel, S., additional, Pereira, L., additional, Dorman, K., additional, Pena-Centeno, K., additional, Clark, K., additional, Timlin, S., additional, Birkland, M.H., additional, Simhan, H., additional, Cotroneo, P., additional, Zubic, R., additional, Nowinski, D., additional, Thom, E., additional, Gilbert, S., additional, Lozitska, A., additional, Spong, C., additional, Tolivaisa, S., additional, and VanDorsten, J.P., additional

Published
2021
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19. The qualitative transparency deliberations: insights and implications

Author

Jacobs, A.M., Büthe, T., Arjona, A., Arriola, L.R., Bellin, E., Bennett, A., Björkman, L., Bleich, E., Elkins, Z., Fairfield, T., Gaikwad, N., Greitens, S.C., Hawkesworth, M., Herrera, V., Herrera, Y.M., Johnson, K.S., Karakoç, E., Koivu, K., Kreuzer, M., Lake, M., Luke, T.W., MacLean, L.M., Majic, S., Maxwell, R., Mampilly, Z., Mickey, R., Morgan, K.J., Parkinson, S.E., Parsons, C., Pearlman, W., Pollack, M.A., Posner, E., Riedl, R.B., Schatz, E., Schneider, C.Q., Schwedler, J., Shesterinina, A., Simmons, E.S., Singerman, D., Soifer, H.D., Smith, N.R., Spitzer, S., Tallberg, J., Thomson, S., Vázquez-Arroyo, A.Y., Vis, B., Wedeen, L., Williams, J.A., Wood, E.J., Yashar, D.J., Politiek en bestuur, and UU LEG Research USG Public Matters

Subjects
Taverne, Political Science and International Relations
Abstract

In recent years, a variety of efforts have been made in political science to enable, encourage, or require scholars to be more open and explicit about the bases of their empirical claims and, in turn, make those claims more readily evaluable by others. While qualitative scholars have long taken an interest in making their research open, reflexive, and systematic, the recent push for overarching transparency norms and requirements has provoked serious concern within qualitative research communities and raised fundamental questions about the meaning, value, costs, and intellectual relevance of transparency for qualitative inquiry. In this Perspectives Reflection, we crystallize the central findings of a three-year deliberative process - the Qualitative Transparency Deliberations (QTD) - involving hundreds of political scientists in a broad discussion of these issues. Following an overview of the process and the key insights that emerged, we present summaries of the QTD Working Groups' final reports. Drawing on a series of public, online conversations that unfolded at www.qualtd.net, the reports unpack transparency's promise, practicalities, risks, and limitations in relation to different qualitative methodologies, forms of evidence, and research contexts. Taken as a whole, these reports - the full versions of which can be found in the Supplementary Materials - offer practical guidance to scholars designing and implementing qualitative research, and to editors, reviewers, and funders seeking to develop criteria of evaluation that are appropriate - as understood by relevant research communities - to the forms of inquiry being assessed. We dedicate this Reflection to the memory of our coauthor and QTD working group leader Kendra Koivu.

Published
2021

22. Neuromuscular fatigue and recovery after strenuous exercise depends on skeletal muscle size and stem cell characteristics

Author

Baumert, Philipp, Temple, S., Stanley, J. M., Cocks, M., Strauss, J. A., Shepherd, S. O., Drust, B., Lake, M. J., Stewart, C. E., Erskine, R. M., and Sportbiologie

Subjects
Medizin und Gesundheit, Biowissenschaften, Biologie, ddc:790, ddc:570, Naturwissenschaften, ddc:500, ddc:610
Abstract

Hamstring muscle injury is highly prevalent in sports involving repeated maximal sprinting. Although neuromuscular fatigue is thought to be a risk factor, the mechanisms underlying the fatigue response to repeated maximal sprints are unclear. Here, we show that repeated maximal sprints induce neuromuscular fatigue accompanied with a prolonged strength loss in hamstring muscles. The immediate hamstring strength loss was linked to both central and peripheral fatigue, while prolonged strength loss was associated with indicators of muscle damage. The kinematic changes immediately after sprinting likely protected fatigued hamstrings from excess elongation stress, while larger hamstring muscle physiological cross-sectional area and lower myoblast:fibroblast ratio appeared to protect against fatigue/damage and improve muscle recovery within the first 48 h after sprinting. We have therefore identified novel mechanisms that likely regulate the fatigue/damage response and initial recovery following repeated maximal sprinting in humans.

Published
2020

27. Variants in Apaf-1 segregating with major depression promote apoptosome function

Author

Harlan, J, Chen, Y, Gubbins, E, Mueller, R, Roch, J-M, Walter, K, Lake, M, Olsen, T, Metzger, P, Dorwin, S, Ladror, U, Egan, D A, Severin, J, Johnson, R W, Holzman, T F, Voelp, K, Davenport, C, Beck, A, Potter, J, Gopalakrishnan, M, Hahn, A, Spear, B B, Halbert, D N, Sullivan, J P, Abkevich, V, Neff, C D, Skolnick, M H, Shattuck, D, and Katz, D A

Published
2006
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38. Microdynamic issues in large deployable space telescopes

Author

White, C. V, Levine, M. B, and Lake, M. S

Abstract

This paper discusses a framework for microdynamic analysis -- analyzing a structure for nonlinear dynamic behavior in the nanometric regime -- and illustrates how microdynamic behaviors such as microlurch, joint snaps, and harmonic distortion fit within the framework.

Published
2000

42. Estimation of breast cancer burden in Iran in 2003 and its comparison with Eastern Mediterranean region and the World in 2002

Author

Abolhassani F, Khayamzadeh M, Moradi Lake M, Jamali A, Salmanian R, and Naghavi M

Subjects
breast cancer, burden of disease, disability adjusted life years (dalys), Medicine, Medicine (General), R5-920
Abstract

Objective(s): Health and its equal distribution among people is one of the major factors of society stability. Reaching this goal would be only possible by proper planning in health, monitoring and evaluating the projects, and interventional planning in different sections. Hence, indexes that describe the burden of diseases and injuries understandably for the managers and planners are necessary. DAL Vs unit (Disability Adjusted Life Years) or the years that are lost because of early death or disability, holds such property. In other words, the sum of the lost life because of early death plus the time passed in disability and infirmity, is quantified by DALVs or the burden of diseases, and is shown for each disease and injury. Methods: An extensive study entitled "Estimation of the burden of diseases and injuries and their risk factors" started in 1382 at deputy for health of Ministry of Health and Medical Education, and the current project which is specified to estimation of the breast cancer burden is a part of that study. In this plan a specific methodology is defined to model the cancers in population and specific software is designed for such work. Breast cancer, the most usual cancer in women, should be significantly noticed. Breast cancer is counted as the most common reason of death in women between 40 and 44. Hence, estimation of its burden and determining its share of the total burden made by all the cancers in Iran, allow the planners to distribute the resources proportionately and evaluate the progress of combat campaigns scientifically and efficiently. Results: The burden of breast cancer was estimated 0.62 DAL Vs in every thousand of women population in Iran. Conclusion: The burden of the cancer in Iranian women was low relatively to Eastern Mediterranean region (I.I DALYs/1000) and the whole World (1.99 DALYs/1000), Age peak of breast cancer in Iranian women was in 45-59 and over 80 age groups, The years lost because of early death or disability in 45-59, 60-69 and 70- 79 age groups of Iranian women in every thousand population (DAL Ys/1000) is lower than the same cases in Eastern Mediterranean region and the World.

Published
2007

43. The association among cytochrome P450 3A, progesterone receptor polymorphisms, plasma 17-alpha hydroxyprogesterone caproate concentrations, and spontaneous preterm birth

Author

Palugod, R., Tillinghast, J., Luce, M., Perez, C., Anderson, G., Glenn-Cole, B., Huntley, M., Parks, M., Dinsmoor, M., Meis, P., Driscoll, D., Wynn, L., Jablonski, K.A., Landon, M., Rouse, D.J., Iams, J.D., Klebanoff, M., Mercer, B.M., Dorman, K., Scott, B., Thorp, J., Simon, P.J., Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network, Ramos-Brinson, M., Cannon, K., Tocci, C., Blackwell, S., Russell, J., Stetzer, B., Sorokin, Y., Ehrenberg, H., Allard, D., Lake, M., Anderson, K., Cline, D., Carmona, V., Parsons, J., Thom, E., Gilstrap, L.C., Reddy, U.M., Bustos, M.L., Johnson, F., Bonnemort, S., Zhao, W., Husami, H., Tolivaisa, S., Walker, H., Dalton, W., Hoffman, M., Varner, M.W., Sciscione, A., Sudz, C., Mallett, G., Ramin, S.M., Files, P.B., Whitaker-Carr, C., Harper, M., Carpenter, M.W., Caritis, S.N., Norman, G., Lund, D., Leftwich, C., Venkataramanan, R., Spong, C., Prata, E., Talucci, M., Milluzzi, C., Wilson, S., Hunter, J., Hamden, K., Leuchtenburg, L., Lankford, C., Bousleiman, S., Manuck, T., South, S., Andrews, W.W., Wapner, R.J., Peaceman, A.M., Swain, M., Cotroneo, M., Zachary, J., and Northen, A.

Abstract

Background Infants born

Published
2017
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47. The association among cytochrome P450 3A, progesterone receptor polymorphisms, plasma 17-alpha hydroxyprogesterone caproate concentrations, and spontaneous preterm birth

Author

Bustos, Martha L., primary, Caritis, Steve N., additional, Jablonski, Kathleen A., additional, Reddy, Uma M., additional, Sorokin, Yoram, additional, Manuck, Tracy, additional, Varner, Michael W., additional, Wapner, Ronald J., additional, Iams, Jay D., additional, Carpenter, Marshall W., additional, Peaceman, Alan M., additional, Mercer, Brian M., additional, Sciscione, Anthony, additional, Rouse, Dwight J., additional, Ramin, Susan M., additional, Luce, M., additional, Cotroneo, M., additional, Venkataramanan, R., additional, Zhao, W., additional, Harper, M., additional, Meis, P., additional, Swain, M., additional, Scott, B., additional, Leftwich, C., additional, Norman, G., additional, Driscoll, D., additional, Sudz, C., additional, Wynn, L., additional, Blackwell, S., additional, Thorp, J., additional, Dorman, K., additional, Prata, E., additional, Hamden, K., additional, Anderson, K., additional, Bonnemort, S., additional, Lund, D., additional, Russell, J., additional, Parsons, J., additional, Bousleiman, S., additional, South, S., additional, Carmona, V., additional, Husami, H., additional, Lankford, C., additional, Perez, C., additional, Johnson, F., additional, Landon, M., additional, Cline, D., additional, Walker, H., additional, Allard, D., additional, Tillinghast, J., additional, Dinsmoor, M., additional, Simon, P.J., additional, Huntley, M., additional, Whitaker-Carr, C., additional, Ramos-Brinson, M., additional, Mallett, G., additional, Milluzzi, C., additional, Hunter, J., additional, Dalton, W., additional, Ehrenberg, H., additional, Stetzer, B., additional, Hoffman, M., additional, Talucci, M., additional, Tocci, C., additional, Wilson, S., additional, Lake, M., additional, Andrews, W.W., additional, Northen, A., additional, Parks, M., additional, Files, P. Blake, additional, Gilstrap, L.C., additional, Glenn-Cole, B., additional, Cannon, K., additional, Thom, E., additional, Zachary, J., additional, Palugod, R., additional, Leuchtenburg, L., additional, Spong, C., additional, Klebanoff, M., additional, Tolivaisa, S., additional, and Anderson, G., additional

Published
2017
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