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Electrochemical Ammonia Synthesis at -Block Active Sites Using Various Nitrogen Sources: Theoretical Insights.
J Phys Chem Lett
January 2025
School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
Electrochemical nitrogen conversion for ammonia (NH) synthesis, driven by renewable electricity, offers a sustainable alternative to the traditional Haber-Bosch process. However, this conversion process remains limited by a low Faradaic efficiency (FE) and NH yield. Although transition metals have been widely studied as catalysts for NH synthesis through effective electron donation/back-donation mechanisms, there are challenges in electrochemical environments, including competitive hydrogen evolution reaction (HER) and catalyst stability issues.
View Article and Find Full Text PDFManipulating Charge Distribution at Organic-inorganic Interface via Optimizing Substituents for Sustainable Water Electrolysis.
Angew Chem Int Ed Engl
January 2025
Anhui Normal University, School of Chemistry and Materials Science, CHINA.
The space charge effect induced by high-quality heterojunctions is essential for efficient electrocatalytic processes. Herein, we delicately manipulate intermolecular charge transfer by modifying substituents (-g = -CH3, -H, -NO2) with various electron donating/withdrawing capabilities in CoPc-g/CoS organic-inorganic heterostructures. CoPc-CH3, as a typical electron donor, transfers more electrons to CoS due to the presence of -CH3, forming the strongest space electric field and thus regulating the dual active sites at the interface.
View Article and Find Full Text PDFClinical characteristics affecting weight loss in an East Asian population receiving semaglutide: A STEP 6 subgroup analysis.
Obes Res Clin Pract
January 2025
Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, South Korea. Electronic address:
Objective: To explore the effects of semaglutide versus placebo on body weight (BW) by subgroups of baseline characteristics.
Methods: In STEP 6, Japanese and Korean adults with overweight or obesity were randomized to subcutaneous semaglutide 2.4 mg, semaglutide 1.
Prevalence of ABO, Rh (D, C, c, E, and e), and Kell (K) antigens in blood donors: A single-center study from South India.
Asian J Transfus Sci
September 2022
Department of Transfusion Medicine and Immunohaematology, St. John's Medical College, Bengaluru, Karnataka, India.
Background: Although ABO and RhD are the clinically significant blood group antigens that are routinely tested for, other blood group antigens may become important in multiply transfused patients due to risk of alloimmunization. Knowledge of antigen prevalence in a population is important in the context of alloimmunization and antigen matching. This study aims to do the same in a population of voluntary blood donors of a center in South India.
View Article and Find Full Text PDFEffectiveness of donor notification and counseling of HIV-reactive donors in a tertiary care hospital from North India: An audit.
Asian J Transfus Sci
March 2023
Department of Pathology, UCMS and GTB Hospital, Delhi, India.
Introduction: Blood banks are responsible for notification and counseling of the reactive donors besides screening for transfusion-transmitted infections (TTIs). Donor notification and counseling is essential to protect the health of the donor by early clinical intervention and to prevent secondary transmission of infection.
Aim: The aim of this study was to determine the effectiveness of human immunodeficiency virus (HIV)-reactive donor notification and counseling in a tertiary care center.
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