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Articles by Haiwei Chen
Translating umbilical cord blood extracellular vesicles into a novel therapy for postpartum alopecia: a mechanistic and preclinical review
Abstract Postpartum alopecia (PPA) is a common physiological hair loss in women, characterized by complex pathogenesis involving abrupt postpartum hormonal withdrawal, disrupted hair follicle cycling, local microenvironmental inflammation, and oxidative stress.
Ultrasound-guided foam sclerotherapy vs. open surgical ligation for incompetent perforator veins: a retrospective cohort study
Abstract Purpose: To compare the efficacy and safety of ultrasound-guided foam sclerotherapy (UGFS) vs. open ligation for treating incompetent perforator veins (IPVs) and to identify independent risk factors for IPV recanalization following UGFS. Methods: Clinical data from 97 patients with IPVs treated at Baoji People’s Hospital between February 2019 and February 2022 were retrospectively analyzed.
Excimer laser coronary angioplasty combined with drug‐coated balloon in the treatment of in‐stent restenosis
Objectives The aim of this study is to investigate the safety and efficacy of excimer laser coronary angioplasty (ELCA) combined with drug-coated balloons (DCBs) in the treatment of in-stent restenosis (ISR), and to explore whether the contrast injection technique would improve the neointimal tissue ablation of ELCA. Methods We studied patients diagnosed with ISR between January 2019 and October 2022 at two medical centers.
The future of the Alaska Permanent Fund: Are we saving too much or spending too much?
In saving for the future, people face two kinds of pitfalls, namely, spending too much and not saving enough, or spending too little and saving too much. The average return for the Alaska Permanent Fund (APF) is 9.45% since 1980 and 8.41% during the last 12 years. The value of the fund has been growing at a rate of 16% since 1980. Currently, the Alaska Legislature stipulates the Percent of Market Value draw rule with a draw rate of 5% on the average APF market value in the last five years.
Achilles’ Heel-The Significance of Maintaining Microenvironmental Homeostasis in the Nucleus Pulposus for Intervertebral Discs
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Student Behavior Detection in the Classroom Based on Improved YOLOv8
1. Introduction The big data smart classroom has become an inevitable trend in the future development of education [1]. At this stage, the observation and recording of students’ classroom learning behavior mainly relies on the human supervision of the classroom site by the lecturer, as well as the assessment of learning behavior through video data at a later stage.
Localized high-concentration electrolyte enabled by a novel ester diluent for lithium metal batteries
Localized high-concentration electrolyte enabled by a novel ester diluent for lithium metal batteries† Meng Zhu, a Xiaojuan Jiao, a Wenwei Wang,a Haiwei Chen *ab and Fengjiao Li *a Abstract To achieve stable Li anode cycling with a high-voltage cathode and high efficiency, a novel ester diluent-based localized high-concentration electrolyte (LHCE) was successfully applied. The oxidation resistance of the high-concentration electrolyte is retained after dilution.
An Ugi-like Biosynthetic Pathway Encodes Bombesin Receptor Subtype-3 Agonists
Download Hi-Res ImageDownload to MS-PowerPointCite This:J. Am. Chem. Soc.2019XXXXXXXXXX-XXX Joonseok Oh Joonseok Oh Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States Chemical Biology Institute, Yale University, West Haven, Connecticut 06516, United States Nam Y. Kim Nam Y.
A Forward Chemical Genetic Screen Reveals Gut Microbiota Metabolites That Modulate Host Physiology
Highlights • Screening of gut microbiota metabolomes against hundreds of G protein-coupled receptors • Phylogenetically diverse gut microbes produce agonists for many GPCRs including orphans • Bioactivity-based screening reveals diet-microbe-host and microbe-microbe-host axes • Microbiota-derived GPCR ligands impact local and systemic host physiology Summary The intestinal microbiota produces tens of thousands of metabolites.
Extending the environmental lifetime of unpackaged perovskite solar cells through interfacial design
Solution-processed oxo-functionalized graphene (oxo-G1) is employed to substitute hydrophilic PEDOT:PSS as anode interfacial layer for organometal tri-halide perovskite solar cells. The resulting devices exhibit a reasonable high power conversion efficiency (PCE) of 15.2% in the planar inverted architecture with oxo-G1 as a hole transporting material (HTM), and most importantly, deploy the full open-circuit voltage (Voc) of up to 1.1 V.
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