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146 results on '"Xue, Jiaying"'

1. Analysis of menstrual conditions and influencing factors in 281 women infected with COVID-19

Author

YANG Rui, CHEN Danping, ZHANG Xiaojie, TANG Wenjie, XIA Xin, CHEN Yingjuan, XUE Jiaying, and XU Jianghong

Subjects
covid-19, menstruation, influencing factor, blood stasis, traditional chinese medicine, Medicine
Abstract

ObjectiveTo investigate the menstrual conditions of women infected with COVID-19 in Shanghai and analyze the influencing factors.MethodsFrom December 2022 to March 2023， menstrual data from 281 women infected with COVID-19 in Shanghai were collected with a questionnaire survey， including usual menstrual characteristics， the most recent menstrual period post-infection， symptoms of infection， and medication usage. According to the crossover period between the menstrual period and the infection period of the respondents， the samples were divided into two groups for comparative analysis： those whose menstrual and infection periods overlapped （positive group） and those whose menstruation started after conversion to virus-negative （negative conversion group）.ResultsAmong the 281 respondents， 196 （65.8%） experienced menstrual changes. Among them， 145 （51.6%） had changes in menstrual volume， color and texture， and 109 （38.8%） had changes in menstrual duration or cycle. Decreased menstrual volume （22.1%）， darker color （23.49%）， thicker texture （21.0%）， increased blood clots （16.7%）， and prolonged duration （21.8%） were observed in both groups. The rate of changes in menstrual volume， color， and texture was higher in the positive group （56.8%， 69/110） than that in negative group （37.3%， 76/171） （P

Published
2024
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18. Development of a polyurethane‐coated thin film solid phase microextraction device for multi‐residue monitoring of pesticides in fruit and tea beverages.

Author

Li, Wenhui, Gu, Ying, Liu, Zikun, Hua, Rimao, Wu, Xiangwei, and Xue, Jiaying

Subjects
THIN films, PESTICIDES, FRUIT, IONIC strength, FRUIT drinks
Abstract

A novel solid‐phase microextraction device coated with an efficient and cheap thin film of polyurethane was developed for trace determination of 13 widely used pesticides in fruit and tea beverages. A round‐shaped polyurethane film covering the bottom of a glass vial was fabricated as the sorbent to exhibit a superior capacity for preconcentrating target compounds and reducing matrix interferences. After optimization of the key parameters including the film type, extraction time, solution pH, ionic strength, desorption solvent, and conditions, this device allowed an efficient adsorption‐desorption cycle for the pesticides accomplished in one vial. Coupled with gas chromatography‐electron capture detection, the polyurethane‐coated thin film microextraction method was successfully established and applied for the analysis of real fruit and tea drinks, showing low limits of detection (0.001–0.015 μg/L), wide linear ranges (1.0–500.0 μg/L, r2 > 0.9931), good relative recoveries (77.2%–106.3%) and negligible matrix effects (86.1%–107.5%) for the target pesticides. The proposed approach revealed strong potential of extending its application by flexibly modifying the type or size of the coating film. This study provides insights into the enrichment of contaminants from complex samples using inexpensive and reusable microextraction devices that can limit the environmental and health impact of the sample preparation protocol. [ABSTRACT FROM AUTHOR]

Published
2023
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30. Multi-spectroscopic measurements, molecular modeling and density functional theory calculations for interactions of 2,7-dibromocarbazole and 3,6-dibromocarbazole with serum albumin

Author

Wang, Lijun, primary, Wu, Xiaoqin, additional, Yang, Yanan, additional, Liu, Xina, additional, Zhu, Meiqing, additional, Fan, Shisuo, additional, Wang, Zhen, additional, Xue, Jiaying, additional, Hua, Rimao, additional, Wang, Yi, additional, and Li, Qing X., additional

Published
2019
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31. Tourism Geography through the Lens of Time Use: A Computational Framework Using Fine-Grained Mobile Phone Data.

Author

Xu, Yang, Li, Jingyan, Xue, Jiaying, Park, Sangwon, and Li, Qingquan

Subjects
WIRELESS localization, GEOGRAPHICAL positions, GEOGRAPHIC information systems, GEOGRAPHICAL research, TOURISM
Abstract

Copyright of Annals of the American Association of Geographers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021
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32. Synthesis, Properties, and Packing Structures of Wing-Shaped N-Doped Nanographene in Various Oxidation States

Author

Wu, Fan, Oki, Kosuke, Xue, Jiaying, Mori, Shigeki, Takase, Masayoshi, Shen, Zhen, and Uno, Hidemitsu

Abstract

A rigid wing-shaped bicyclo[2.2.2]octadiene-fused bis-hexapyrrolohexaazacoronene (HPHAC) is synthesized, and subsequent chemical oxidation affords a stable biradical dication and an aromatic tetracation. The physicochemical properties and single-crystal structures in various oxidation states are characterized. The face-to-face π-stacked dimeric structures are observed in the neutral and dicationic states. The HPHAC flakes can act as aromatic walls in a tetracation state, producing enlarged induced magnetic shielding space through the superimposition effect.

Published
2022
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50. Alkylgold(III) Complexes Undergo Unprecedented Photo-Induced β-Hydride Elimination and Reduction for Targeted Cancer Therapy.

Author

Jiang J, Cao B, Chen Y, Luo H, Xue J, Xiong X, and Zou T

Subjects
Cell Line, Tumor, Gold, Humans, Ligands, Thioredoxin-Disulfide Reductase, Antineoplastic Agents pharmacology, Antineoplastic Agents therapeutic use, Coordination Complexes pharmacology, Coordination Complexes therapeutic use, Neoplasms drug therapy, Neoplasms pathology
Abstract

Spatiotemporally controllable activation of prodrugs within tumors is highly desirable for cancer therapy to minimize toxic side effects. Herein we report that stable alkylgold(III) complexes can undergo unprecedented photo-induced β-hydride elimination, releasing alkyl ligands and forming gold(III)-hydride intermediates that could be quickly converted into bioactive [Au III -S] adducts; meanwhile, the remaining alkylgold(III) complexes can photo-catalytically reduce [Au III -S] into more bioactive Au I species. Such photo-reactivities make it possible to functionalize gold complexes on the auxiliary alkyl ligands without attenuating the metal-biomacromolecule interactions. As a result, the gold(III) complexes containing glucose-functionalized alkyl ligands displayed efficient and tumor-selective uptake; notably, after one- or two-photon activation, the complexes exhibited high thioredoxin reductase (TrxR) inhibition, potent cytotoxicity, and strong antiangiogenesis and antitumor activities in vivo., (© 2022 Wiley-VCH GmbH.)

Published
2022
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