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1.
Work ; 2023 Dec 27.
Artigo em Inglês | MEDLINE | ID: mdl-38160380

RESUMO

BACKGROUND: In a previous study, more attention has been given to the psychological state of doctors than to that of nurses although the workload, working hours, and patient contact time are generally higher for nurses than doctors. The current status of nurses' perceived stress, work engagement, and perceived professional benefit during the routine management of the Corona Virus Disease 2019(COVID-19) pandemic and how their perceived stress affects the other two variables are topics that merit research attention. OBJECTIVE: In this study, the status of nurses' perceived stress, work engagement, and perceived professional benefit during the routine management of the Corona Virus Disease 2019 pandemic was investigated to explore whether their perceived stress level has any effect on the other two variables. METHODS: The convenience sampling method was adopted, and 669 nurses from the First People's Hospital of Jingzhou were selected to participate in this study. Questionnaires on perceived stress, work engagement, and perceived professional benefit were used in the survey, and the data were processed using the SPSS 20.0 program for the descriptive statistics, independent sample t-test, analysis of variance. RESULTS: The total score of the nurses' perceived stress was 18.58±4.37 points. The total scores of their work engagement (43.32±14.01) and perceived professional benefit (140.23±17.75). CONCLUSION: The nurses' total perceived stress score was at an upper-middle level, and their total work engagement and perceived professional benefit scores were relatively high. Overall, perceived stress has a negative effect on nurses' work engagement and perceived professional benefit. That is, the higher the pressure perception of nurses, the lower the degree of work engagement and perceived professional benefit.

2.
Molecules ; 24(18)2019 Sep 04.
Artigo em Inglês | MEDLINE | ID: mdl-31487934

RESUMO

The rattans of Spatholobus suberectus Dunn are a traditional Chinese medicine activating blood circulation and removing stasis. They have often been used for the traditional Chinese medicinal treatment of breast cancer in modern China. In this study, four novel isoflavanes (1-3 and 5) and four known analogues (4 and 6-8) were isolated from an ethanolic extract of the rattans of S. suberectus. Their structures were elucidated by extensive spectroscopic analyses and electronic circular dichroism studies. MCF-7 and MDA-MB-231 human breast cancer cell lines were used to evaluate the cytotoxic effects of the isolates. Interestingly, compounds 1 and 2 only inhibited the proliferation of MCF-7 cells, while compound 6 showed a selective cytotoxicity against MDA-MB-231 cells. However, compound 4 had significant cytotoxicity against both MCF-7 and MDA-MB-231 cell lines.


Assuntos
Antineoplásicos Fitogênicos/farmacologia , Fabaceae/química , Isoflavonas/farmacologia , Extratos Vegetais/farmacologia , Antineoplásicos Fitogênicos/química , Antineoplásicos Fitogênicos/isolamento & purificação , Neoplasias da Mama , Linhagem Celular Tumoral , Proliferação de Células/efeitos dos fármacos , Relação Dose-Resposta a Droga , Feminino , Humanos , Isoflavonas/química , Isoflavonas/isolamento & purificação , Espectroscopia de Ressonância Magnética , Estrutura Molecular , Extratos Vegetais/química , Extratos Vegetais/isolamento & purificação , Relação Estrutura-Atividade
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