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403 results on '"Zhang, C.Y."'

8. Electron non-linear light yield of LaBr[formula omitted] detector aboard GECAM

Author

Zheng, C., Peng, W.X., Li, X.B., An, Z.H., Xiong, S.L., Lan, X.F., Zhang, D.L., Li, C.Y., Qiao, R., Guo, D.Y., Cai, C., Gao, M., Gong, K., He, J.J., Hou, D.J., Li, G., Li, X.Q., Li, Y.G., Li, M.S., Liang, X.H., Liu, J.C., Liu, Y.Q., Liu, X.J., Song, L.M., Sun, X.L., Wang, C.W., Wang, H., Wang, J.Z., Wen, X.Y., Xiao, S., Xu, Y.B., Yang, S., Xue, W.C., Yi, Q.B., Zhang, C.Y., Zhang, F., Zhang, Y.Q., Zhao, Y., and Zhou, X.

Published
2022
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18. Large-scale RCI calculation of energy levels in W9+

Author

Qu, F.H., primary, Li, B.L., additional, Tu, B., additional, Zhang, C.Y., additional, Liu, X., additional, Xie, Y.M., additional, Lu, Q., additional, Yan, C.L., additional, Fu, N., additional, Si, R., additional, Chen, C.Y., additional, Wei, B., additional, Zou, Y., additional, and Xiao, J., additional

Published
2023
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35. Effects of melatonin on photosynthesis and soybean seed growth during grain filling under drought stress

Author

J.N. ZOU, X.J. JIN, and Y.X. ZHANG C.Y. REN M.C. ZHANG M.X. WANG

Subjects
catalase, malondialdehyde, proline, superoxide dismutase, water-use efficiency., Botany, QK1-989
Abstract

We studied the effects of melatonin on soybean photosynthesis and seed growth at different developmental stages under drought stress induced by polyethylene glycol in the growth medium. Experimental groups were supplied with a normal nutrient solution after seven days of continuous treatment; overall, five treatments were completed when the early maturity stage was reached. Under normal water supply, melatonin supplementation had no significant effect on the photosynthetic characteristics or soybean seed growth. However, drought stress reduced leaf relative water content, chlorophyll content, and relative photosynthetic gas-exchange parameters, while it increased a leaf content of osmoregulatory substances, antioxidant-related enzyme activities, and seed growth-related indicators. Compared to the drought-stressed group, the melatonin treatment under drought stress improved the above indicators; specifically, melatonin effectively increased the photosynthetic rate, 100-seed mass, and total seed mass per plant. All the effects were most significant during the first seven days after the early seed-filling stage.

Published
2019
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50. Retinoblastoma seeds : impact on American Joint Committee on Cancer clinical staging

Author

Tomar, A.S., Finger, P.T., Gallie, B., Kivela, T., Mallipatna, A., Zhang, C.Y., Zhao, J.Y., Wilson, M., Brennan, R., Burges, M., Kim, J., Berry, J.L., Jubran, R., Khetan, V., Ganeshan, S., Yarovoy, A., Yarovaya, V., Kotova, E., Volodin, D., Yousef, Y., Nummi, K., Ushakova, T.L., Yugay, O.V., Polyakov, V.G., Ramirez-Ortiz, M.A., Esparza-Aguiar, E., Chantada, G.L., Schaiquevich, P., Fandino, A.C., Yam, J.C., Lau, W.W., Lam, C.P., Sharwood, P., Moorthy, S., Long, Q.B., Essuman, V.A., Renner, L.A., Semenova, E., Catala-Mora, J., Llano, M.C., Carreras, E., Amer Joint Comm Canc Ophthalmic On, HUS Head and Neck Center, Silmäklinikka, and Department of Ophthalmology and Otorhinolaryngology

Subjects
medicine.medical_specialty, Complete data, genetic structures, External beam radiation, Enucleation, Treatment failure, Retina, Vitreous, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, Cox proportional hazards regression, Pathology, Medicine, 3125 Otorhinolaryngology, ophthalmology, 030304 developmental biology, 0303 health sciences, Neoplasia, business.industry, Retinoblastoma, Hazard ratio, Cancer, medicine.disease, Sensory Systems, eye diseases, Ophthalmology, 030221 ophthalmology & optometry, Radiology, business
Abstract

AimTo investigate whether the American Joint Committee on Cancer (AJCC) clinical category cT2b needs to be subclassified by the type and distribution of retinoblastoma (RB) seeding.MethodsMulticentre, international registry-based data were collected from RB centres enrolled between January 2001 and December 2013. 1054 RB eyes with vitreous or subretinal seeds from 18 ophthalmic oncology centres, in 13 countries within six continents were analysed. Local treatment failure was defined as the use of secondary enucleation or external beam radiation therapy (EBRT) and was estimated with the Kaplan-Meier method.ResultsClinical category cT2b included 1054 eyes. Median age at presentation was 16.0 months. Of these, 428 (40.6%) eyes were salvaged, and 430 (40.8%) were treated with primary and 196 (18.6%) with secondary enucleation. Of the 592 eyes that had complete data for globe salvage analysis, the distribution of seeds was focal in 143 (24.2%) and diffuse in 449 (75.8%). The 5-year Kaplan-Meier cumulative globe-salvage (without EBRT) was 78% and 49% for eyes with focal and diffuse RB seeding, respectively. Cox proportional hazards regression analysis confirmed a higher local treatment failure risk with diffuse seeds as compared with focal seeds (hazard rate: 2.8; pConclusionThis international, multicentre, registry-based analysis of RB eyes affirmed that eyes with diffuse intraocular distribution of RB seeds at diagnosis had a higher risk of local treatment failure when compared with focal seeds. Subclassification of AJCC RB category cT2b into focal vs diffuse seeds will improve prognostication for eye salvage.

Published
2023

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