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Insight into the Role and Evidence of Oxygen Vacancies in Porous Single-Crystalline Oxide to Enhance Catalytic Activity and Durability.
Research (Wash D C)
September 2023
Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
Introducing and stabilizing oxygen vacancies in oxide catalysts is considered to be a promising strategy for improving catalytic activity and durability. Herein, we quantitatively create oxygen vacancies in the lattice of porous single-crystalline β-GaO monoliths by reduction treatments and stabilize them through the long-range ordering of crystal lattice to enhance catalytic activity and durability. The combination analysis of time-of-flight neutron powder diffraction and extended x-ray absorption fine structure discloses that the preferential generation of oxygen vacancy tends to occur at the site of tetrahedral coordination oxygen ions (O sites), which contributes to the formation of unsaturated Ga-O coordination in the monoclinic phase.
View Article and Find Full Text PDFAdipokines in Breast Cancer: Decoding Genetic and Proteomic Mechanisms Underlying Migration, Invasion, and Proliferation.
Breast Cancer (Dove Med Press)
January 2025
Clinic for Plastic, Aesthetic and Reconstructive Surgery, Spine, Orthopedic and Hand Surgery, Preventive Medicine - ETHIANUM, Heidelberg, 69115, Germany.
Background: Adipokines, bioactive peptides secreted by adipose tissue, appear to contribute to breast cancer development and progression. While numerous studies suggest their role in promoting tumor growth, the exact mechanisms of their involvement are not yet completely understood.
Methods: In this project, varying concentrations of recombinant human adipokines (Leptin, Lipocalin-2, PAI-1, and Resistin) were used to study their effects on four selected breast cancer cell lines (EVSA-T, MCF-7, MDA-MB-231, and SK-Br-3).
Age-related biomechanical variations in vertical jumping and sprinting performance among basketball players.
Front Sports Act Living
January 2025
Research Centre for Sports and Healthcare Sciences, University of Iceland, Reykjavik, Iceland.
Introduction: This study aims to investigate age-related differences in physical performance metrics, specifically vertical jumping and sprinting capabilities, between young (average age 12.5) and senior (average age 23.2) male basketball players.
View Article and Find Full Text PDFNo improvement in pregnancy and perinatal outcomes with combined luteal support in modified natural cycle frozen embryo transfer.
Front Endocrinol (Lausanne)
January 2025
Reproduction Center, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
Objective: We investigated whether the addition of a luteal phase support drug benefits pregnancy and perinatal outcomes in modified natural-cycle frozen-thawed embryo transfer (mNC-FET) for women up to the age of 35 years.
Methods: We analyzed the clinical data of 3658 mNC-FET cycles of women up to the age of 35 years from the Reproductive Center of the Third Affiliated Hospital of Zhengzhou University from January 2018 to December 2020 in a retrospective cohort study. The cycles were divided into three groups based on the luteal phase support protocol used.
External negative pressure improves lung aeration in near-term rabbit kittens at risk of developing respiratory distress.
Front Pediatr
January 2025
The Ritchie Centre, Hudson Institute of Medical Research, Clayton VIC, Australia.
Introduction: As airway liquid is cleared into lung interstitial tissue after birth, the chest wall must expand to accommodate this liquid and the incoming air. We examined the effect of applying external positive and negative pressures to the chest wall on lung aeration in near-term rabbit kittens at risk of developing respiratory distress.
Methods: Rabbit kittens (30 days; term ∼31 days) were randomised into and groups.
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