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Effects of cumulus cell removal time during in vitro fertilization on embryo quality and pregnancy outcomes: a prospective randomized sibling-oocyte study

Background To investigate whether cumulus cell removal after a 3 h co-incubation of gametes can affect the outcomes of in vitro fertilization. Methods A prospective randomized sibling-oocyte study was performed in which sibling oocytes obtained from each patient were randomly assigned to either a 3 h or 20 h group (cumulus cells removed at 3 h or 20 h after insemination...

Mature Archean continental crust in the Yangtze craton: Evidence from petrology, geochronology and geochemistry

Previous studies have shown that the Archean basement is widely distributed throughout the Yangtze craton. To date, however, Archean basement terrains have not been found, except for a few Kongling high-grade metamorphic terrains in the Huangling dome that have been confirmed to be of Archean age. To further understand the basement component and crustal evolution of the Yangtze...

Ultra-low noise optical injection locking amplifier with AOM-based coherent detection scheme

, 201800, ChinaZitong Feng, Fei Yang, Xi Zhang, Dijun Chen, Fang Wei, Yanguang Sun & Haiwen CaiKey Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science ... • Google Scholar Search for Fei Yang in:Nature Research journals • PubMed • Google Scholar Search for Xi Zhang in:Nature Research journals • PubMed • Google Scholar Search for Dijun Chen in:Nature Research

Interaction of smoking and metabolic syndrome in increasing the recurrence risk of colorectal cancer in a Chinese male cohort: a retrospective study

notes Da-Zhi Chen, Fei-yang Ji and Qiao-Mai Xu contributed equally to this work. AffiliationsState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for ... Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, College of Medicine, Zhejiang University, 310003, Hangzhou, ChinaDa-Zhi Chen, Fei-yang Ji, Qiao-Mai Xu, Xiao-Xin Wu, Ling-Jian

Laser beam melting 3D printing of Ti6Al4V based porous structured dental implants: fabrication, biocompatibility analysis and photoelastic study

Sciences, Fudan University, Shanghai, 200032, ChinaDuan Ma AuthorsSearch for Fei Yang in:Nature Research journals • PubMed • Google ScholarSearch for Chen Chen in:Nature Research journals • PubMed • Google ... • Google ScholarSearch for YouCheng Yu in:Nature Research journals • PubMed • Google Scholar Contributions Ms. Fei Yang (M.Med), as the first author, carried out the conception of fabricating porous Ti6Al4V

Epigenetic modifications of interleukin-6 in synovial fibroblasts from osteoarthritis patients

Osteoarthritis (OA) is the most common degenerative disease of the synovial joint. The synovial membrane is responsible for the inflammatory reaction leading to the secretion of macrophage-derived pro-inflammatory cytokines, such as IL-6. Suppressing IL-6 over-expression in synovial fibroblasts (SF) is a promising method to prevent OA development and progression, in which the...

The embodiment of emotion: language use during the feeling of social emotions predicts cortical somatosensory activity

Complex social emotions involve both abstract cognitions and bodily sensations, and individuals may differ on their relative reliance on these. We hypothesized that individuals’ descriptions of their feelings during a semi-structured emotion induction interview would reveal two distinct psychological styles—a more abstract, cognitive style and a more body-based, affective style...

Radial shockwave treatment promotes human mesenchymal stem cell self-renewal and enhances cartilage healing

BackgroundShockwaves and mesenchymal stem cells (MSCs) have been widely accepted as useful tools for many orthopedic applications. However, the modulatory effects of shockwaves on MSCs remain controversial. In this study, we explored the influence of radial shockwaves on human bone marrow MSCs using a floating model in vitro and evaluated the healing effects of these cells on...

Factors associated with endoscopic full-thickness resection of gastric submucosal tumors

Foundation. Disclosures Drs. Fei Yang, Sheng Wang, Siyu Sun, Xiang Liu, Nan Ge, Guoxin Wang, Jintao Guo, Wen Liu, Linlin and Feng, Wenzhuang Ma have no competing interests or financial ties to disclose. Open

The prevalence of primary headache disorders and their associated factors among nursing staff in North China

Background Epidemiological data on the prevalence of headache in nursing staff in Mainland China are lacking. We therefore performed a study to assess the prevalence of headache, and factors associated with headaches, in nursing staff in three hospitals in North China. Methods Stratified random cluster sampling was used to select 1102 nurses from various departments in three...

The prevalence of primary headache disorders and their associated factors among nursing staff in North China

Epidemiological data on the prevalence of headache in nursing staff in Mainland China are lacking. We therefore performed a study to assess the prevalence of headache, and factors associated with headaches, in nursing staff in three hospitals in North China. Stratified random cluster sampling was used to select 1102 nurses from various departments in three hospitals. A structured...

Comorbidity of poor sleep and primary headaches among nursing staff in north China

Background Sleep disorders and primary headaches are both more prevalent among nursing staff than in the general population. However, there have been no reports about the comorbidity of poor sleep and primary headaches among nursing staff. Methods Stratified random cluster sampling was used to select 1102 nurses from various departments in three hospitals in north China. Sleep...

Application of Minimum Reward Risk Model in Reservoir Generation Scheduling

Discrete time Markov decision process is studied and the minimum reward risk model is established for the reservoir long-term generation optimization. Different form the commonly used optimization criterion of best expected reward in reservoir scheduling, the probability that the expected generation of the whole period not exceeding the predete reward target to be smallest is...