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1. Measurement of branching fractions for D meson decaying into ϕ meson and a pseudoscalar meson

Author

M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, M. Alekseev, A. Amoroso, F.F. An, Q. An, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Biernat, J. Bloms, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, J. Chai, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S.J. Chen, Y.B. Chen, W. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, J.P. Dai, X.C. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, J.Z. Fan, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, M. Fritsch, C.D. Fu, Y. Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, S. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, T. Held, Y.K. Heng, M. Himmelreich, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, N. Huesken, T. Hussain, W. Ikegami Andersson, W. Imoehl, M. Irshad, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, H.L. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, Y. Jin, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M. Kurth, M.G. Kurth, W. Kühn, J.S. Lange, P. Larin, L. Lavezzi, H. Leithoff, T. Lenz, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, J.W. Li, Ke Li, L.K. Li, Lei Li, P.L. Li, P.R. Li, Q.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, X.N. Li, Z.B. Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, D.X. Lin, Y.J. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L.Y. Liu, Q. Liu, S.B. Liu, T. Liu, X. Liu, X.Y. Liu, Y.B. Liu, Z.A. Liu, Zhiqing Liu, Y.F. Long, X.C. Lou, H.J. Lu, J.D. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, X.N. Ma, X.X. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, A. Mustafa, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, M. Papenbrock, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H.R. Qi, M. Qi, T.Y. Qi, S. Qian, C.F. Qiao, N. Qin, X.P. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K.H. Rashid, K. Ravindran, C.F. Redmer, M. Richter, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, A. Sarantsev, M. Savrié, Y. Schelhaas, K. Schoenning, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, X. Shi, X.D Shi, J.J. Song, Q.Q. Song, X.Y. Song, S. Sosio, C. Sowa, S. Spataro, F.F. Sui, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, Y.T Tan, C.J. Tang, G.Y. Tang, X. Tang, V. Thoren, B. Tsednee, I. Uman, B. Wang, B.L. Wang, C.W. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, M.Z. Wang, Meng Wang, P.L. Wang, R.M. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, F. Weidner, H.W. Wen, S.P. Wen, U. Wiedner, G. Wilkinson, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, Y. Xia, S.Y. Xiao, Y.J. Xiao, Z.J. Xiao, Y.G. Xie, Y.H. Xie, T.Y. Xing, X.A. Xiong, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, W. Xu, X.P. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, R.X. Yang, S.L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Z.Q. Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, J.S. Yu, T. Yu, C.Z. Yuan, X.Q. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.F. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yang Zhang, Yao Zhang, Yi Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, Xiaoyu Zhou, Xu Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, W.J. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, and J.H. Zou

Subjects
Physics, QC1-999
Abstract

The four decay modes D0→ϕπ0, D0→ϕη, D+→ϕπ+, and D+→ϕK+ are studied by using a data sample taken at the centre-of-mass energy s=3.773 GeV with the BESIII detector, corresponding to an integrated luminosity of 2.93 fb−1. The branching fractions of the first three decay modes are measured to be B(D0→ϕπ0)=(1.168±0.028±0.028)×10−3, B(D0→ϕη)=(1.81±0.46±0.06)×10−4, and B(D+→ϕπ+)=(5.70±0.05±0.13)×10−3, respectively, where the first uncertainties are statistical and the second are systematic. In addition, the upper limit of the branching fraction for D+→ϕK+ is given to be 2.1×10−5 at the 90% confidence level. The ratio of B(D0→ϕπ0) to B(D+→ϕπ+) is calculated to be (20.49±0.50±0.45)%, which is consistent with the theoretical prediction based on isospin symmetry between these two decay modes. Keywords: BESIII, D meson, Hadronic decays, Branching fractions

Published
2019
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2. MEX3A Mediates p53 Degradation to Suppress Ferroptosis and Facilitate Ovarian Cancer Tumorigenesis

Author

Cheng-Kai Wang, Tzu-Jou Chen, Grace Y.T. Tan, Fang-Pei Chang, Samyuktha Sridharan, Chen-Hsin Albert Yu, Yen-Hou Chang, Yi-Jen Chen, Li-Tzu Cheng, and Wendy W. Hwang-Verslues

Subjects
Cancer Research, Oncology
Abstract

Epithelial ovarian cancer is a highly heterogeneous and malignant female cancer with an overall low survival rate. Mutations in p53 are prevalent in the major ovarian cancer histotype, high-grade serous ovarian carcinoma (HGSOC), while p53 mutations are much less frequent in other ovarian cancer subtypes, particularly in ovarian clear cell carcinoma (OCCC). Advanced stage OCCC with wild-type (WT) p53 has a worse prognosis and increased drug resistance, metastasis, and recurrence than HGSOC. The mechanisms responsible for driving the aggressiveness of WT p53-expressing ovarian cancer remain poorly understood. Here, we found that upregulation of MEX3A, a dual-function protein containing a RING finger domain and an RNA-binding domain, was critical for tumorigenesis in WT p53-expressing ovarian cancer. MEX3A overexpression enhanced the growth and clonogenicity of OCCC cell lines. In contrast, depletion of MEX3A in OCCC cells, as well as ovarian teratocarcinoma cells, reduced cell survival and proliferative ability. MEX3A depletion also inhibited tumor growth and prolonged survival in orthotopic xenograft models. MEX3A depletion did not alter p53 mRNA level but did increase p53 protein stability. MEX3A-mediated p53 protein degradation was crucial to suppress ferroptosis and enhance tumorigenesis. Consistently, p53 knockdown reversed the effects of MEX3A depletion. Together, our observations identified MEX3A as an important oncogenic factor promoting tumorigenesis in ovarian cancer cells expressing WT p53. Significance: Degradation of p53 mediated by MEX3A drives ovarian cancer growth by circumventing p53 tumor suppressive functions, suggesting targeting MEX3A as a potential strategy for treating of ovarian cancer expressing WT p53.

Published
2022
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3. Data from MEX3A Mediates p53 Degradation to Suppress Ferroptosis and Facilitate Ovarian Cancer Tumorigenesis

Author

Wendy W. Hwang-Verslues, Li-Tzu Cheng, Yi-Jen Chen, Yen-Hou Chang, Chen-Hsin Albert Yu, Samyuktha Sridharan, Fang-Pei Chang, Grace Y.T. Tan, Tzu-Jou Chen, and Cheng-Kai Wang

Abstract

Epithelial ovarian cancer is a highly heterogeneous and malignant female cancer with an overall low survival rate. Mutations in p53 are prevalent in the major ovarian cancer histotype, high-grade serous ovarian carcinoma (HGSOC), while p53 mutations are much less frequent in other ovarian cancer subtypes, particularly in ovarian clear cell carcinoma (OCCC). Advanced stage OCCC with wild-type (WT) p53 has a worse prognosis and increased drug resistance, metastasis, and recurrence than HGSOC. The mechanisms responsible for driving the aggressiveness of WT p53-expressing ovarian cancer remain poorly understood. Here, we found that upregulation of MEX3A, a dual-function protein containing a RING finger domain and an RNA-binding domain, was critical for tumorigenesis in WT p53-expressing ovarian cancer. MEX3A overexpression enhanced the growth and clonogenicity of OCCC cell lines. In contrast, depletion of MEX3A in OCCC cells, as well as ovarian teratocarcinoma cells, reduced cell survival and proliferative ability. MEX3A depletion also inhibited tumor growth and prolonged survival in orthotopic xenograft models. MEX3A depletion did not alter p53 mRNA level but did increase p53 protein stability. MEX3A-mediated p53 protein degradation was crucial to suppress ferroptosis and enhance tumorigenesis. Consistently, p53 knockdown reversed the effects of MEX3A depletion. Together, our observations identified MEX3A as an important oncogenic factor promoting tumorigenesis in ovarian cancer cells expressing WT p53.Significance:Degradation of p53 mediated by MEX3A drives ovarian cancer growth by circumventing p53 tumor suppressive functions, suggesting targeting MEX3A as a potential strategy for treating of ovarian cancer expressing WT p53.

Published
2023
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5. Figure S1-S5, Table S1 from MEX3A Mediates p53 Degradation to Suppress Ferroptosis and Facilitate Ovarian Cancer Tumorigenesis

Author

Wendy W. Hwang-Verslues, Li-Tzu Cheng, Yi-Jen Chen, Yen-Hou Chang, Chen-Hsin Albert Yu, Samyuktha Sridharan, Fang-Pei Chang, Grace Y.T. Tan, Tzu-Jou Chen, and Cheng-Kai Wang

Abstract

Table S1. Short tandem repeat of ovarian teratocarcinoma and clear cell carcinoma cell line. Figure S1. MEX3A expression promoted tumorigenic ability and cell survival in WT p53 OC cells. Figure S2. The p53 pathway was enriched in upregulated genes in MEX3A-depleted OC cells expressing WT p53. Figure S3. Stabilized WT p53 protein in MEX3A-depleted cells was activated. MEX3A did not interact with or affect the level of mutant p53 protein. Figure S4. p53 depletion alone did not significantly affect cell proliferation or cell death in MEX3A expressing WT p53 OC cells. Figure S5. MEX3A and MDM2 in OC.

Published
2023
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6. Erythroderma (exfoliative dermatitis). Part 2: energy homeostasis and dietetic management strategies

Author

M M Kwok, H Moiz, Tushar Hari, Simon Tso, S. Dhariwal, A. C. Y. Tso, Y.T. Tan, A. Ilchyshyn, F. Satchwell, Thomas M. Barber, I C Blee, Harpal S. Randeva, R. Barlow, C. Thind, and E. Forbat

Subjects
media_common.quotation_subject, RL, Appetite, Physiology, Erythroderma, Dermatology, Hyperthyroidism, Energy homeostasis, 030207 dermatology & venereal diseases, 03 medical and health sciences, 0302 clinical medicine, Hypothyroidism, Homeostasis, Humans, Medicine, Exfoliative dermatitis, Cardiac Output, Cushing Syndrome, Exercise, media_common, Transepidermal water loss, business.industry, Proteins, Thermogenesis, medicine.disease, Water Loss, Insensible, 030220 oncology & carcinogenesis, Basal metabolic rate, Basal Metabolism, Specific dynamic action, Energy Metabolism, business, Dermatitis, Exfoliative, RC
Abstract

Erythroderma (exfoliative dermatitis) associates with important metabolic changes that include an enhancement in energy expenditure. The key components to total energy expenditure (TEE) include basal metabolic rate (~68% of TEE), physical activity (~22% of TEE) and thermic effect of food (~10% of TEE). In the erythrodermic state, there are likely multiple contributors to the increase in basal metabolic rate such as ‘caloric drain’ resulting from increased evaporation of water from enhanced transepidermal water loss, increased activity of the cardiovascular system (including high‐output cardiac failure), increased non‐shivering thermogenesis and hormonal changes (such as hypercortisolaemia). A change to patient’s level of physical activity and appetite as a result of ill health status may further impact on their total energy expenditure and energy consumption. In part two of this two part concise review, we explore the key constituents of energy homeostasis, the potential mechanisms impacting on energy homeostasis in erythroderma and suggest much needed dietetic management strategies for this important condition.\ud \ud

Published
2021
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7. Erythroderma (exfoliative dermatitis). Part 1: underlying causes, clinical presentation and pathogenesis

Author

H Moiz, Y.T. Tan, F. Satchwell, Thomas M. Barber, Harpal S. Randeva, A. Ilchyshyn, R. Barlow, A. C. Y. Tso, Simon Tso, S. Dhariwal, M M Kwok, E. Forbat, H. Tushar, and C. Thind

Subjects
Male, medicine.medical_specialty, education.field_of_study, Skin barrier, business.industry, Incidence, Population, Erythroderma, Dermatology, Malignancy, medicine.disease, Annual incidence, Europe, Pathogenesis, medicine, Humans, Female, Exfoliative dermatitis, Presentation (obstetrics), education, business, Dermatitis, Exfoliative
Abstract

Erythroderma (exfoliative dermatitis), first described by Von Hebra in 1868, manifests as a cutaneous inflammatory state, with associated skin barrier and metabolic dysfunctions. The annual incidence of erythroderma is estimated to be 1 to 2 persons per 100,000 population in Europe with a higher male-to-female ratio. Erythroderma may present at birth, develop acutely or insidiously (due to progression of an underlying primary pathology, including malignancy). Whilst there is a broad range of diseases that associate with erythroderma, the vast majority of cases result from pre-existing and chronic dermatoses. In part one of this two part concise review, we explore the underlying causes, clinical presentation, pathogenesis and investigation of erythroderma, and suggest potential treatment targets for erythroderma with unknown causes.

Published
2021
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8. Observation of ψ(3686)→η′e+e−

Author

M. Ablikim, M.N. Achasov, S. Ahmed, M. Albrecht, M. Alekseev, A. Amoroso, F.F. An, Q. An, J.Z. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, Y. Ban, K. Begzsuren, D.W. Bennett, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J. Chai, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, P.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, W. Cheng, X.K. Chu, G. Cibinetto, F. Cossio, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, P.F. Duan, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, S. Fegan, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, A.Q. Guo, R.P. Guo, Y.P. Guo, A. Guskov, Z. Haddadi, S. Han, X.Q. Hao, F.A. Harris, K.L. He, X.Q. He, F.H. Heinsius, T. Held, Y.K. Heng, T. Holtmann, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, Z.L. Huang, T. Hussain, W. Ikegami Andersson, M. Irshad, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, Y. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.S. Kang, M. Kavatsyuk, B.C. Ke, T. Khan, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kornicer, M. Kuemmel, M. Kuessner, A. Kupsc, M. Kurth, W. Kühn, J.S. Lange, M. Lara, P. Larin, L. Lavezzi, H. Leithoff, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, J.W. Li, Jin Li, K.J. Li, Kang Li, Ke Li, Lei Li, P.L. Li, P.R. Li, Q.Y. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.L. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L.D. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Zhiqing Liu, Y.F. Long, X.C. Lou, H.J. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, A. Mustafa, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, M. Papenbrock, P. Patteri, M. Pelizaeus, J. Pellegrino, H.P. Peng, Z.Y. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H.R. Qi, M. Qi, T. .Y. Qi, S. Qian, C.F. Qiao, N. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Richter, M. Ripka, A. Rivetti, M. Rolo, G. Rong, Ch. Rosner, A. Sarantsev, M. Savrié, C. Schnier, K. Schoenning, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, X. Shi, J.J. Song, W.M. Song, X.Y. Song, S. Sosio, C. Sowa, S. Spataro, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, Y.T. Tan, C.J. Tang, G.Y. Tang, X. Tang, I. Tapan, M. Tiemens, B. Tsednee, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, Dan Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, Meng Wang, P. Wang, P.L. Wang, W.P. Wang, X.F. Wang, Y. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, Y. Xia, D. Xiao, Y.J. Xiao, Z.J. Xiao, Y.G. Xie, Y.H. Xie, X.A. Xiong, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Z.Q. Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yang Zhang, Yao Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, Xiaoyu Zhou, Xu Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, and J.H. Zou

Subjects
Dalitz decay, Nuclear and High Energy Physics, Meson, Electron–positron annihilation, BESIII, Charmonium, e+e− Annihilation, e + e − Annihilation, 01 natural sciences, Omega, NO, law.invention, e+e−Annihilation, Nuclear physics, law, 0103 physical sciences, 010306 general physics, Collider, Physics, 010308 nuclear & particles physics, Generator (category theory), Branching fraction, Pseudoscalar
Abstract

Using a data sample of 448.1 × 10 6 ψ ( 3686 ) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay ψ ( 3686 ) → η ′ e + e − , with significances of 7.0σ and 6.3σ when reconstructing the η ′ meson via its decay modes η ′ → γ π + π − and η ′ → π + π − η ( η → γ γ ), respectively. The weighted average branching fraction is determined to be B ( ψ ( 3686 ) → η ′ e + e − ) = ( 1.90 ± 0.25 ± 0.11 ) × 10 − 6 , where the first uncertainty is statistical and the second systematic.

Published
2018
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9. The expectations gap for engineering field in Malaysia in the 21st century

Author

Esyin Chew, Alena Y.T. Tan, and Vineetha Kalavally

Subjects
Change over time, Value (ethics), Knowledge management, business.industry, media_common.quotation_subject, Field (Bourdieu), 05 social sciences, 0211 other engineering and technologies, 021107 urban & regional planning, 02 engineering and technology, Employability, Education, Supply and demand, Originality, 0502 economics and business, Analytical skill, Engineering ethics, business, 050203 business & management, media_common, Accreditation
Abstract

Purpose This paper aims to explore the expectations of relevant stakeholders in the engineering field to better understand the demands of the twenty-first century. As the number of unemployed continues to grow in Malaysia, it is evident that as industries continue to develop, demands and new requirements for skilled workers change over time. Design/methodology/approach Through face-to-face interviews, the study explored the expectations of accreditation bodies, industry operators and academics in the engineering field. Findings Three major findings were documented: mismatch of expectations in engineering field across the stakeholders; the expected “must-have-skills” from the perspectives of the stakeholders; and the need to reassess how information transmission is cascaded to all stakeholders and remains relevant to market demand. Research limitations/implications It is recognized that the findings from this study may only be relevant to the engineering field and not to the other different disciplines, but the qualitative findings provide some key issues in understanding the gap between relevant stakeholders that may motivate future studies to further extend into the other disciplines. Practical implications With this mismatch drawn out clearly, all relevant stakeholders would be able to revisit and revaluate their existing strategy in addressing, cascading crucial information and equipping graduates with analytical skills to gain immediate employment in the market. Originality/value A clearer understanding on the expectations and the “must-have-skills” required in the engineering field in the twenty-first century.

Published
2017
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10. Surgical site infection after gastrointestinal surgery in children: An international, multicentre, prospective cohort study

Author

Harrison, E.M. Drake, T.M. Ghosh, D. Ademuyiwa, A.O. Bhangu, A. Fitzgerald, J.E. Glasbey, J. Borda-Luque, G. Costas-Chavarri, A. Ntirenganya, F. Fergusson, S.J. Ingabire, J.C.A. Ismaïl, L. Lilford, R. Mihaljevic, A.L. Morton, D. Mutabazi, A.Z. Adisa, A.O. Ots, R. Pinkney, T. Poškus, T. Shaw, C.A. Verjee, A. Runigamugabo, E. Khatri, C. Mohan, M. Jaffry, Z. Altamini, A. Kirby, A. Soreide, K. Cornick, J. Iyer, D. King, S. Arthur, T. Nahar, S.N. Waterman, A. Lawini, I. Rouse, T. Correa, J.C. Salem, H.K. Worku, M. Arnaud, A. Kalles, V. Aguilera, M.L. Recinos, G. Quek, R. Altibi, A. Whitaker, J. Bent, Z. Al-Slaibi, I. Tahboub, H. Alser, O.H. Shu, S. Mironescu, A. Bratu, M. Altwijri, A. Alsaggaf, M.U. Jubran, A.F. Seisay, S. Jeyakumar, J. Senanayake, K. Abdulbagi, O. Raptis, D. Kong, C. Suresh, S. Scott, M. Grizhja, B. Ymeri, S. Galiqi, G. Klappenbach, R. Antezana, D. Beleño, A.E.M. Costa, C. Sanchez, B. Aviles, S. Modolo, M.M. Fermani, C.G. Balmaceda, R. Villalobos, S. Carmona, J.M. 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Kumar, S. Taher, M.M. Kosai, N.R. Aziz, D.N.A. Rajan, R. Julaihi, R. Jethwani, D.L. Yahaya, M.T. Abdullah, N.A.N. Mathew, S.W. Chung, K.J. Nirumal, M.K. Tze, R.G.E. Ali, S.A.W.E.W. Gan, Y.Y. Ting, J.R.S. Sii, S.S.Y. Koay, K.L. Tan, Y.K. Cheah, A.E.Z. Wong, C.Y. Mat, T.N.T. Chow, C.Y.N. Har, P.A.L. Der, Y. Tew, Y.Y. Henry, F. Low, X. Neo, Y.T. Heng, H.E. Kong, S.N. Gan, C. Mok, Y.T. Tan, Y.W. Palayan, K. Devatata, M. Cheong, Y.J. Gunaseelan, K. Nasir, W.N.A.W.M. Yoganathan, P. Lee, E.X. Saw, J.E. Yeang, L.J. Koh, P.Y. Lim, S.Y. Teo, S.Y. Grech, N. Magri, D. Cassar, K. Mizzi, C. Falzon, M. Shaikh, N. Scicluna, R. Zammit, S. Borg, E. Mizzi, S. Brincat, S.D. Tembo, T. Le, V.T.H. Grima, T. Sammut, K. Carabott, K. Farrugia, A. Zarb, C. Navarro, A. Dimech, T. Camilleri, G. Bertuello, I. Dalli, J. Bonavia, K. Corro-Diaz, S. Manriquez-Reyes, M. Ramos-De la Medina, A. Abdelhamid, A. Hrora, A. Benammi, S. Bachri, H. Abbouch, M. Boukhal, K. Bennai, R.M. Belkouchi, A. Jabal, M.S. Benyaiche, C. 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Næss, P.A. Lauzikas, G. Wiborg, J. Holte, S. Augestad, K. Banipal, G. Banipal, G. Monteleone, M. Moe, T. Schultz, J. Al-Taher, T. Hamdan, A. Salman, A. Saadeh, R. Musleh, A. Jaradat, D. Abushamleh, S. Hanoun, S. Qumbos, A.A. Hamarshi, A. Taher, A.A. Qawasmi, I. Qurie, K. Altarayra, M. Ghannam, M. Shaheen, A. Herebat, A. Abdelhaq, A. Shalabi, A. Abu-Toyour, M. Asi, F. Shamasneh, A. Atiyeh, A. Mustafa, M. Zaatreh, R. Dabboor, M. Alaloul, E. Baraka, H. Meqbil, J. Al-Buhaisi, A. Elshami, M. Afana, S. Jaber, S. Alyacoubi, S. Abuowda, Y. Idress, T. Abuqwaider, E. Al-Saqqa, S.W. Bowabsak, A. Eljamassi, A. Hasanain, D. Al-Farram, H. Salah, M. Firwana, A. Hamdan, M. Awad, I. Ashour, A. Al Barrawi, F.E. Al-Khatib, A. Al-Faqawi, M. Fares, M. Elmashala, A. Adawi, M. Adawi, I. Khreishi, R. Khreishi, R. Ashour, A. Ghaben, A. Nadeem, N. Saqlain, M. Abbasy, J. Alvi, A.R. Gala, T. Shahzad, N. Bhopal, K.F. Iftikhar, Z. Butt, M.T. Ul Razi, S.A. Ahmed, A. Niazi, A.K. Raza, I. Baluch, F. Raza, A. Bani-Sadar, A. Qureshi, A.U. Adil, M. Raza, A. Javaid, M. Waqar, M. Khan, M. Arshad, M. Amjad, M. Vega, G.M.M. Cardozo, J.T. Roche, M.O. Servin, G.R.P. Lohse, H.A.S. Lopez, L.I.P. Cardozo, R.A.M. Espinoza, F. Rojas, A.D.P. Sanchez, D. Samaniego, C.S. Torres, S.G. Calua, A.C. Razuri, C. Ortiz, N. Rodriguez, X. Carrasco, N. Saravia, F. Miyasato, H.S. Valcarcel-Saldana, M. Bermudez, Y.E.A. Carpio, J. Ruizpanez, W. Toribioorbegozo, P. Duenas, C.G. Espinoza, K.T. Barrantes, A.M.S. Chungui, J. Shu, S. Fuentes-Rivera, L. Fernandez, C. Romani, D. Barbara Ye, J. Velasquez, R. Salcedo, J. Contreras-Vergara, A.L. Mejia, A.G.V. Montejo, M.S.G. Escalantesalas, M. Alccaticona, W. Vargas, M. Manriquesila, G. Mas, R. del Pilar Paucar, A. Velasquez, A.J.R. Robledo-Rabanal, A. Solis, L.A.Z. Espinoza, K.T. Hamaguchi, J.L.H. Farfan, E.S.F. Barrientos, L.A.M. Matta, J.J.H. Mora, J.J.V. Redota, M.A.P. Roxas, M.F. Mano, M.J.B. Parreno-Sacdalan, M.D. Lapitan, M.C. Almanon, C.L. Waledziak, M. Roszkowski, R. Janik, M. Lasek, A. Major, P. Radkowiak, D. Rubinkiewicz, M. Fernandes, C. Costa-Maia, J. Melo, R. Muntean, L. Mironescu, A.S. Vida, L.C. Kourdouli, A. Popa, M. Mircea, H. Vartic, M. Diaconescu, B. Bratu, M.R. Negoi, I. Beuran, M. Ciubotaru, C. Ingabire, J.C.A. Alphonse, M. Uzabumwana, N. Duhoranenayo, D. Jovine, E. Zanini, N. Landolfo, G. Aljiffry, M. Idris, F. Alghamdi, M.S.A. Maghrabi, A. Altaf, A. Khalifah, E. Gudal, A. Albiety, A. Alkaaki, A. Alshareef, R. Khoja, A. Nawawi, A. Najjar, M. Turkustani, S. Sahel, S. Alzahrani, A. Alghamdi, A. Alhazmi, W. Al Saied, G. Alamoudi, M. Riaz, M.M. Hassanain, M. Alhassan, B. Altamimi, A. Alyahya, R. Alsubaie, N. Albastawis, F. Altamimi, A. Nouh, T. Khan, R. Radojkovic, M. Jeremic, L. Nestorovic, M. Law, J.H. Tan, K.S.K. Tan, R.C.K. Tan, J.K. Joel, L.W.L. Lieske, B. Chan, X.W. Leong, F.Q.H. Chong, C.S. Koh, S. Lee, K.Y. Lee, K.C. Pluke, K. Dedekind, B. Nashidengo, P. Hampton, M.I. Joosten, J. Sobnach, S. Roodt, L. Sander, A. Pape, J. Spence, R. Maistry, N. Ndwambi, P. Kinandu, K. Tun, M. du Toit, F. Ellison, Q. Burger, S. Grobler, D.C. Khulu, L.B. Moore, R. Jennings, V. Leusink, A. Kariem, N. Gouws, J. Chu, K. Bougard, H. Noor, F. Dell, A. Rayne, S. van Straten, S. Khamajeet, A. Tshisola, S.K. Kabongo, K. Kong, V. Moodley, Y. Anderson, F. Madiba, T. du Plooy, F. Hartford, L. Chilton, G. Karjiker, P. Mabitsela, M. Ndlovu, S. Badicel, M. Jaich, R. Ruiz-Tovar, J. Garcia-Florez, L. Otero-Diez, J.L. Ramosperez, V. Aguadosuarez, N. Garcia, J.M. Moreno, S.C. Collado, M.V. Carneros, V.J. Septiem, J.G. Gonzalez, M. Picardo, A. Esteban, E. Ferrero, E. Ortega, I. Espin-Basany, E. Blanco-Colino, R. Andriola, V. Lorena, I. Contreras, E. Garcíabernardo, C. Pagnozzi, J. Sanz, S. Miyardeleon, A. Dorismé, A. Rodicio, J. Suarez, A. Stuva, J. Diazvico, T. Fernandez-Vega, L. Soldevila-Verdeguer, C. Sena-Ruiz, F. Pujol-Cano, N. Diaz-Jover, P. Garcia-Perez, J.M. Segura-Sampedro, J.J. Pineño-Flores, C. Ambrona-Zafra, D. Craus-Miguel, A. Jimenez-Morillas, P. Mazzella, A. Jayathilake, A.B. Thalgaspitiya, S.P.B. Wijayarathna, L.S. Wimalge, P.M.S.N. Sanni, H.A. Ndajiwo, A. Okenabirhie, O. Homeida, A. Younis, A. Omer, O.A. Abdulaziz, M. Mussad, A. Gilani, A.M. Cengiz, Y. Björklund, I. Ahlqvist, S. Ahlqvist, S. Thorell, A. Wogensen, F. Sokratous, A. Breistrand, M. Thorarinsdottir, H. Sigurdadottir, J. Nikberg, M. Chabok, A. Hjertberg, M. Elbe, P. Saraste, D. Rutkowski, W. Forlin, L. Niska, K. Sund, M. Oswald, D. Peros, G. Bluelle, R. Reinisch, K. Frey, D. Palma, A. Raptis, D. Zumbühl, L. Zuber, M. Schmid, R. Werder, G. Nocito, A. Gerosa, A. Mahanty, S. Widmer, L.W. Müller, J. Gübeli, A. Zuk, G. Gulcicek, O.B. Altinel, Y. Vartanoglu, T. Kose, E. Karahan, S.R. Aydin, M.C. Sahbaz, N.A. Halicioglu, I. Alis, H. Sapci, I. Adiyaman, C. Pektaş, A.M. Cengiz, T.B. Tansoker, I. Işler, V. Cevik, M. Mutlu, D. Ozben, V. Ozmen, B.B. Bayram, S. Yolcu, S. Kobal, B.B. Toto, Ö.F. Çakaloğlu, H.C. Karabulut, K. Mutlu, V. Ozkan, B.B. Celik, S. Semiz, A. Bodur, S. Gül, E. Murutoglu, B. Yildirim, R. Baki, B.E. Arslan, E. Ulusahin, M. Guner, A. Walker, N. Shrimanker, N. Stoddart, M. Cole, S. Breslin, R. Srinivasan, R. Elshaer, M. Hunter, K. Al-Bahrani, A. Liew, I. Mairs, N.G. Rocke, A. Dick, L. Qureshi, M. Chowdhury, D. Wright, N. Skerritt, C. Ho, A. Dissanayake, T. Tennakoon, A. Ali, W. Lim, S.J. Tan, C. O'Neill, S. Jones, C. Knight, S. Nassif, D. Sharma, A. Warren, O. White, R. Mehdi, A. Post, N. Kalakouti, E. Dashnyam, E. Stourton, F. Mykoniatis, I. Currow, C. Wong, F. Gupta, A. Shatkar, V. Luck, J. Kadiwar, S. Smedley, A. Wakefield, R. Herrod, P. Blackwell, J. Lund, J. Cohen, F. Bandi, A. Giuliani, S. Bond-Smith, G. Pezas, T. Farhangmehr, N. Urbonas, T. Perenyei, M. Ireland, P. Blencowe, N. Bowling, K. Bunting, D. Longstaff, L. Smart, N. Keogh, K. Jeon, H. Iqbal, M.R. Khosla, S. Jeffery, A. Perera, J. Teasdale, E. Ibrahem, A.A. Alhammali, T. Salama, Y. Kabariti, R. Oram, S. Kidd, T. Cullen, F. Owen, C. Wilson, M. Chiu, S. Sarafilovic, H. Ploski, J. Evans, E. Abbas, A. Kamya, S. Ishak, N. Bisset, C. Andress, C. Chin, Y.R. Patel, P. Evans, D. Jeffery, A. Perera, J. Haslegrave, A. Boggon, A. Laurie, K. Connor, K. Mann, T. Nepogodiev, D. Mansuri, A. Davies, R. Griffiths, E. Shahbaz, A.R. Eng, C. Din, F. Heveder, A.L. Park, E.H.G. Ravishankar, R. McIntosh, K. Yau, J.D. Chan, L. McGarvie, S. Tang, L. Lim, H. Yap, S. Park, J. Ng, Z. Mirza, S. Ang, Y.L. Walls, L. Teasdale, E. Roy, C. Paterson-Brown, S. Camilleri-Brennan, J. McLean, K. D'Souza, M. Pronin, S. Henshall, D.E. Ter, E. Fouad, D. Minocha, A. English, W. Morgan, C. Townsend, D. Maciejec, L. Mahdi, S. Akpenyi, O. Hall, E. Caydiid, H. Rob, Z. Abbott, T. Torrance, H.D. Irwin, G. Johnston, R. Gani, M. Gravante, G. Rajmohan, S. Majid, K. Dindyal, S. Smith, C. Palliyil, M. Patel, S. Nicholson, L. Harvey, N. Baillie, K. Shillito, S. Kershaw, S. Bamford, R. Orton, P. Reunis, E. Tyler, R. Soon, W. Jama, G.M. Dhillon, D. Patel, K. Nanthakumaran, S. Heard, R. Chen, K.Y. Barmayehvar, B. Datta, U. Kamarajah, S.K. Iftekhartani, S. Monaghan, E. Donnelly, P. Walker, M. Parakh, J. Blacker, S. Kaul, A. Paramasivan, A. Farag, S. Nessa, A. Awadallah, S. Lim, J. Cheankhunng, J. Gash, K. Kiran, R.P. Murray, A. Etchill, E. Dasari, M. Puyana, J. Haddad, N. Zielinski, M. Choudhry, A. Caliman, C. Beamon, M. Duane, T. Narayanan, R. Swaroop, M. Myers, J. Deal, R. Schadde, E. Hemmila, M. Napolitano, L. To, K. Makupe, A. Musowoya, J. Maimbo, M. van der Naald, N. Kumwenda, D. Reece-Smith, A. Otten, K. Verbeek, A. Prins, M. Suarez, A.A.B. Balmaceda, R. Deane, C. Dijan, E. Elfiky, M. Koskenvuo, L. Thollot, A. Limoges, B. Capito, C. Alexandre, C. Kotobi, H. Leroux, J. Rod, J. Pinnagoda, K. Henric, N. Azzis, O. Rosello, O. Francois, P. Etienne, S. Buisson, P. Hmila, S. Clegg-Lamptey, J.-N. Imoro, O. Abem, O.E. Wondoh, P. Papageorgiou, D. Soulou, V. Asturias, S. Peña, L. Connor, D.B.O. Luc, A.R. Russo, A.A. Ruzzenente, A. Taddei, A. Cona, C. Bottini, C. Pascale, G. Rotunno, G. Solaini, L. Pascale, M.M. Notarnicola, M. Corbellino, M. Sacco, M. Ubiali, P. Cautiero, R. Bocchetti, T. Muzio, E. Guglielmo, V. Morandi, E. Mao, P. de Luca, E. Ali, F.M. Žilinskas, J. Strupas, K. Kondrotas, P. Baltrunas, R. Kutkevicius, J. Ignatavicius, P. Tan, C.L. Siaw, J.Y. Yam, S.Y. Wilson, L. Aziz, M.R.A. Bondin, J. Zorrilla, C.D. Majbar, A. Sale, D. Abdullahi, L. Osagie, O. Faboya, O. Fatuga, A. Taiwo, A. Nwabuoku, E. Bliksøen, M. Khan, Z.A. Coronel, J. Miranda, C. Vasquez, I. Helguero-Santin, L.M. Rickard, J. Adedeji, A. Alqahtani, S. Rath, M. van Niekerk, M. Koto, M.Z. Matos-Puig, R. Israelsson, L. Schuetz, T. Yuksek, M.A. Mericliler, M. Uluşahin, M. Wolf, B. Fairfield, C. Yong, G.L. Whitehurst, K. Wilson, M. Redgrave, N. Musyoka, C.K. Olivier, J. Lee, K. Cox, M. Farhan-Alanie, M.M.H. Callan, R. Chibuye, C. Ali, T.H.A. Rekhis, S. Rommaneh, M. Sam, Z.H. Lawani, I. Pugliesi, T.B. Pardo, G. GlobalSurg Collaborative

Abstract

Introduction Surgical site infection (SSI) is one of the most common healthcare-associated infections (HAIs). However, there is a lack of data available about SSI in children worldwide, especially from low-income and middle-income countries. This study aimed to estimate the incidence of SSI in children and associations between SSI and morbidity across human development settings. Methods A multicentre, international, prospective, validated cohort study of children aged under 16 years undergoing clean-contaminated, contaminated or dirty gastrointestinal surgery. Any hospital in the world providing paediatric surgery was eligible to contribute data between January and July 2016. The primary outcome was the incidence of SSI by 30 days. Relationships between explanatory variables and SSI were examined using multilevel logistic regression. Countries were stratified into high development, middle development and low development groups using the United Nations Human Development Index (HDI). Results Of 1159 children across 181 hospitals in 51 countries, 523 (45·1%) children were from high HDI, 397 (34·2%) from middle HDI and 239 (20·6%) from low HDI countries. The 30-day SSI rate was 6.3% (33/523) in high HDI, 12·8% (51/397) in middle HDI and 24·7% (59/239) in low HDI countries. SSI was associated with higher incidence of 30-day mortality, intervention, organ-space infection and other HAIs, with the highest rates seen in low HDI countries. Median length of stay in patients who had an SSI was longer (7.0 days), compared with 3.0 days in patients who did not have an SSI. Use of laparoscopy was associated with significantly lower SSI rates, even after accounting for HDI. Conclusion The odds of SSI in children is nearly four times greater in low HDI compared with high HDI countries. Policies to reduce SSI should be prioritised as part of the wider global agenda. ©

Published
2020

11. Anharmonicity in AgBr EXAFS

Author

P. Tangyunyong, David Batchelor, Y.T. Tan, T.N. Rhodin, and K.J. Lushington

Subjects
Condensed matter physics, Extended X-ray absorption fine structure, Chemistry, Scattering, Anharmonicity, Phase (waves), General Chemistry, Atmospheric temperature range, Condensed Matter Physics, Molecular physics, Convolution, symbols.namesake, Distribution function, Materials Chemistry, symbols, Gaussian network model
Abstract

EXAFS data in the temperature range 18 to 120 K were analysed using theoretical phases and three asymmetric model radial distribution functions: two Gaussian convolution models and a simple asymmetric Gaussian model. The convolution models were unable to reproduce the experimental phase shifts, whereas the latter gave good agreement. The results are compared with those from cumulant analyses. Multiple scattering analyses for the 18 and 120 K data using this model are also presented.

Published
1995
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12. Electrically controlled silicon photonic crystal-based chromatic dispersion compensator with ultra low power consumption

Author

Kensuke Ogawa, Aaron J. Danner, G.H. Park, S.T. Lim, Y.T. Tan, C.E. Png, M. B. Yu, and Er-Ping Li

Subjects
Materials science, Silicon photonics, Fabrication, Silicon, business.industry, Physics::Optics, chemistry.chemical_element, Energy consumption, Optics, chemistry, Dispersion (optics), Optoelectronics, business, Electrical efficiency, Refractive index, Photonic crystal
Abstract

We show full 3D simulation and fabrication of an active silicon-based photonic crystal chromatic dispersion compensator with high power efficiency and low power consumption. The device makes use of a novel structure where optical waveguiding and electrical transport properties can be individually tailored to a large extent.

Published
2008
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13. Considerations on the coordinated control of controllable reactors

Author

Z.D. Yin, Z.Q. Wang, L.X. Zhou, X.N. Xiao, Y.T. Tan, and Z.J. Wang

Subjects
Engineering, business.industry, Electrical engineering, High voltage, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Inductor, Capacitance, Power (physics), law.invention, Arc (geometry), Capacitor, Electric power transmission, law, Control theory, business, Voltage
Abstract

In the extra-high voltage long transmission line, the non-allowed increasing of power voltage and the corresponding transient oscillation over-voltage are often occurred. The continued burning of the secondary arc usually keeps quite a long time for the high voltage level, long line and large capacity. There must lead to the failure of the re-closing if the secondary arc is not extinguished promptly, which will affect the security and stability of the system. In this paper, the dynamic induced over-voltage model as well as the dynamic secondary arc model in single-phase asymmetric breaking is established based on the distribution parameters of EHV long-line. A novel kind of high-controlled shunt reactor with a small reactor in the neutral is adopted to suppress the transient oscillation over-voltage and the secondary arc. Since the neutral point small reactor is constrained by the positive-sequence and zero-sequence capacitance of the line and the shunt reactor as well. The coordinate control of the neutral controllable small reactor achieves the dynamic change in accordance with the high-controlled shunt reactor which can realize the compensation of the phase capacitor so as to suppress the induced over-voltage and the secondary arc effectively.

Published
2008
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14. Reception of GPS signal on diversified terrain

Author

H.K. Tang, L. Chin, L.H. Tay, and Y.T. Tan

Subjects
Precision Lightweight GPS Receiver, Defense Advanced GPS Receiver, Computer science, business.industry, Radio receiver, Radio navigation, GPS signals, Geodesy, law.invention, GPS disciplined oscillator, Time to first fix, law, ComputerSystemsOrganization_MISCELLANEOUS, Assisted GPS, ComputerApplications_GENERAL, Global Positioning System, business, Remote sensing
Abstract

A portable GPS (global positioning system) receiver was used to test GPS signal reception in Singapore where many different terrain can be found. The paper reports on some of the measurement results. A brief description of GPS and a discussion on the relationship between signal reception and positioning accuracy using GPS are also presented. >

Published
2003
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16. Anharmonic corrections in EXAFS from AgBr

Author

K.J. Lushington, P. Tangyunyong, David Batchelor, Y.T. Tan, and T.N. Rhodin

Subjects
Physics, Extended X-ray absorption fine structure, Scattering, business.industry, Anharmonicity, Crystal structure, Radial distribution, Atmospheric temperature range, Condensed Matter Physics, Radial distribution function, Molecular physics, Electronic, Optical and Magnetic Materials, Optics, Electrical and Electronic Engineering, business
Abstract

EXAFS data in the temperature range 18–120 K were analysed using theoretical phases and asymmetric model radial distribution functions. The results are compared with those from cumulant analysis. Multiple scattering analyses for the 18 and 120 K data using this model are also presented.

Published
1995
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18. Subsurface space charge and surface charge in AgBr microspheres

Author

H.A Hoyen and Y.T Tan

Subjects
Materials science, Ionic bonding, Electron, Molecular physics, Space charge, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Biomaterials, Colloid and Surface Chemistry, Ionic potential, Computational chemistry, Vacancy defect, Particle, Particle size, Surface charge
Abstract

In contrast to previous studies on AgBr thin films, results are presented here on the effects of ionic space-charge layers in AgBr microcrystals. The method of calculating the space-charge potential is discussed for spheres 0.02 to 2.0 μm in diameter. Using spherical polar coordinates, minimization of the total free energy, and solution of Poisson's equation yield the potential and defect concentration profiles. The potential difference between the surface and the interior of the sphere, i.e., the force which repels electrons away from and drives holes toward the surface, increases with level of divalent-cation impurity and with increasing particle size. From the potential profile within a particle, the total concentration (defects/cm 3 ) of excess positive charge within the sphere and the balancing negative surface charge (defects/cm 2 ) can be calculated. The total concentration of interstitials and impurities is greater than the vacancy concentration. The concentration of interstitials decreases with increasing particle size, in agreement with the measured ionic conductivity. The surface charge increases with dopant level for any particular particle size and increases with size in the presence of dopants.

Published
1981
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19. Water vapour diffusion and condensation in fibrous insulations

Author

N.E. Wijeysundera, Mohammad Nurul Alam Hawlader, and Y.T. Tan

Subjects
Fluid Flow and Transfer Processes, Materials science, Vapour density, Meteorology, Mechanical Engineering, Condensation, Condensed Matter Physics, Heat flux, Phase (matter), Slab, Diffusion (business), Composite material, Physics::Atmospheric and Oceanic Physics, Heat flow, Water vapor
Abstract

An experimental study of the diffusion and condensation of water vapour in fibreglass slab insulations is reported. In the first series of experiments, water is sprayed on the hot face of the slab and it is tested in a heat flow meter apparatus. In the second set of experiments, one of the faces of the slab is exposed to a warm and humid ambient and the other face is maintained at a low temperature. Simple analytical models are developed for the quasi-steady phase of the condensation process in the two experiments. The predicted temperature distribution, heat flux and vapour flux agree well with the measured quantities.

Published
1989
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20. Calculation of dye-dye and dye-AgX surface interaction energies

Author

Y.T Tan, H Price, A.J Hopfinger, T Hoffend, and P.R Baukema

Subjects
Surface (mathematics), Silver halide, Chemistry, Stereochemistry, Interaction energy, Photochemistry, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Biomaterials, chemistry.chemical_compound, Colloid and Surface Chemistry, Adsorption, Monomer, Monolayer, Molecule, Dye molecule
Abstract

The computation of the interaction energy between an adsorbed dye molecule and the silver halide surface has been accomplished through the use of a new code which is based upon CHEMLAB. The surface interaction energies have been computed for 1,1′-ethylene-2,2′-cyanine, a dye molecule, in both monomeric and aggregated configurations on the (100) surfaces of AgBr and AgCl. The model predicts reasonable configurations for the adsorbed dye monomer and its H- and B-aggregates. At high dye levels, the adsorption of aggregated forms is found to be favored over an adsorbed monolayer of monomeric dye molecules. Using the current interaction potentials, however, it was found that the adsorption of the dye on the AgCl (100) surface was slightly favored over that on the AgBr (100) surface. This finding, although at variance with experimental data, may be attributed to the use of an unrelaxed silver halide surface in these computations.

Published
1989
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24. Study of e+e− → D+D−π+π− at center-of-mass energies from 4.36 to 4.60GeV

Author

M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, M. Alekseev, A. Amoroso, F.F. An, Q. An, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino Balossino, Y. Ban, K. Begzsuren, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Biernat, J. Bloms, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, J. Chai, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S.J. Chen, Y.B. Chen, W. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, J.P. Dai, X.C. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, J.Z. Fan, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, M. Fritsch, C.D. Fu, Y. Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, S. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, T. Held, Y.K. Heng, M. Himmelreich, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, N. Huesken, T. Hussain, W. Ikegami Andersson, W. Imoehl, M. Irshad, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, H.L. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, Y. Jin, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M. Kurth, M.G. Kurth, W. Kühn, J.S. Lange, P. Larin, L. Lavezzi, H. Leithoff, T. Lenz, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, J.W. Li, Ke Li, L.K. Li, Lei Li, P.L. Li, P.R. Li, Q.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, D.X. Lin, Y.J. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K.Y. Liu, Ke Liu, L.D. Liu, L.Y. Liu, Q. Liu, S.B. Liu, T. Liu, X. Liu, X.Y. Liu, Y.B. Liu, Z.A. Liu, Zhiqing Liu, Y.F. Long, X.C. Lou, H.J. Lu, J.D. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, X.N. Ma, X.X. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, A. Mustafa, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, M. Papenbrock, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, M. Qi, T.Y. Qi, S. Qian, C.F. Qiao, N. Qin, X.P. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K.H. Rashid, C.F. Redmer, M. Richter, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, A. Sarantsev, M. Savrié, K. Schoenning, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, X. Shi, X.D. Shi, J.J. Song, Q.Q. Song, X.Y. Song, S. Sosio, C. Sowa, S. Spataro, F.F. Sui, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, Y.T. Tan, C.J. Tang, G.Y. Tang, X. Tang, V. Thoren, B. Tsednee, I. Uman, B. Wang, B.L. Wang, C.W. Wang, D.Y. Wang, H.H. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, M.Z. Wang, Meng Wang, P.L. Wang, R.M. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.F. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, H.W. Wen, S.P. Wen, U. Wiedner, G. Wilkinson, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, Y. Xia, S.Y. Xiao, Y.J. Xiao, Z.J. Xiao, Y.G. Xie, Y.H. Xie, T.Y. Xing, X.A. Xiong, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, W. Xu, X.P. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, R.X. Yang, S.L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Z.Q. Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, X.Q. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.F. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yang Zhang, Yao Zhang, Yi Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, Xiaoyu Zhou, Xu Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, W.J. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, and J.H. Zou

Subjects
Physics, QC1-999
Abstract

We report a study of the e+e−→D+D−π+π− process using e+e− collision data samples with an integrated luminosity of 2.5fb−1 at center-of-mass energies from 4.36 to 4.60GeV, collected with the BESIII detector at the BEPCII storage ring. The D1(2420)+ is observed in the D+π+π− mass spectrum. The mass and width of the D1(2420)+ are measured to be (2427.2±1.0stat.±1.2syst.)MeV/c2 and (23.2±2.3stat.±2.3syst.)MeV, respectively. In addition, the Born cross sections of the e+e−→D1(2420)+D−+c.c.→D+D−π+π− and e+e−→ψ(3770)π+π−→D+D−π+π− processes are measured as a function of the center-of-mass energy.

Published
2020
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