Results 61 to 70 of about 13,522 (222)

Bismuth Chalcogenide‐Based Photocatalysts for Nitrogen Reduction: Recent Progress and Prospects

Chemistry – A European Journal, EarlyView.
Bismuth chalcogenides emerge as promising visible‐light photocatalysts for sustainable ammonia synthesis, driven by tunable electronic structures and strong N2 activation. Recent advances reveal how defects, doping and heterojunction design synergistically enhance charge separation and reactivity. Key challenges and future directions highlight pathways
Mukesh K. Verma, Muhammad D. Bala, Phindile B. Khoza, Tshephiso R. Papo, Mzamo L. Shozi   +4 more
wiley   +1 more source

g-C3N4 Modified by meso-Tetrahydroxyphenylchlorin for Photocatalytic Hydrogen Evolution Under Visible/Near-Infrared Light

Frontiers in Chemistry, 2020
A new photocatalyst denoted as mTHPC/pCN was prepared by modifying protonated graphitic carbon nitride (pCN) by meso-tetrahydroxyphenylchlorin (mTHPC). Relevant samples were characterized via various methods including zeta potential measurements, X-ray ...
Yanfei Liu, Zhen Ma, Zhen Ma
doaj   +1 more source

Polyoxometalates in Photocatalytic CO2 Reduction: Multielectron Redox Regulation Across Molecular and Hybrid Architectures

EcoEnergy, EarlyView.
This review focuses on multielectron redox regulation across molecular and hybrid architectures for photocatalytic CO2 reduction, covering intrinsic POM photocatalysts, photosensitizer‐assisted assemblies, POM–metal–organic complexes, and POM‐integrated semiconductors and MOF/COF heterostructures to link structural motifs with charge transport, product
Bonan Li, Xiaowen Ruan, Sai Kishore Ravi
wiley   +1 more source

Platinum Nanoparticles Loaded in Polydopamine-Modified Porous Coordination Network-224 with Peroxidase-Like Activity for Sensitive Glutathione Detection

Biomolecules
The content of glutathione in the human body is crucial to human health, so a convenient and efficient method is needed to detect it. Herein, porous coordination network-224 (PCN-224) was modified by polydopamine to prepare polydopamine-modified PCN-224 (
Shoubei Gao, Mingyue Gao, Chenran Zhen, Yanshuai Cui, Xianbing Ji, Ruyu Li, Longgang Wang   +6 more
doaj   +1 more source

Impact of the Timing of Percutaneous Nephrostomy on the Prognosis of Obstructive Urolithiasis With Sepsis: A Retrospective Cohort Study [PDF]

Urogenital Tract Infection
Purpose The aim of this study was to investigate the prognostic impact of time to percutaneous nephrostomy (PCN) insertion on obstructive ureteral stones with sepsis.
Ji Eun Yu, Hyung Joon Kim, Hong Wook Kim, Young Seop Chang, Jin Bum Kim, Dong Hoon Koh   +5 more
doaj   +1 more source

Co‐Catalyst/Semiconductor Interface Coupling Design for Efficient Solar‐Driven Photocatalysis

EcoEnergy, EarlyView.
Interfacial coupling strength is proposed as a unifying descriptor governing charge‐transfer behavior in co‐catalyst/semiconductor photocatalytic systems. This review establishes a coupling‐strength‐guided framework that correlates interface engineering strategies with charge transport pathways, electronic structure regulation, and photocatalytic ...
Fangxu Dai, Zhiyu Song, Meiyan Qiu, Zhen Zhang, Dan Zhang, Xiaobo Chen, Yun Hau Ng, Xin Li   +7 more
wiley   +1 more source

THE NATIONAL CURRICULAR PARAMETERS AND THE ENVIRONMENTAL DEBATE

Travessias, 2009
The focus observation of the discussion that the environmental thematic have received in the media, in the scientific community and also in the teacher everyday life in the classroom, after approval of the new guidelines and bases law of national ...
Aline Chitero Bueno, Edílson Moreira de Oliveira   +1 more
doaj  

Trifunctional catalytic performance of cobalt, praseodymium, and neodymium decorations on porous graphitic carbon nitride/CNT composites for HER, OER, and ORR

Results in Chemistry
This study presents the synthesis of various metal-decorated porous graphitic carbon nitride and carbon nanotube composite (PCN-CNT) aimed at investigating their catalytic performance through the oxygen reduction and evolution and hydrogen evolution ...
Sara Bakhtavar, Mehdi Mehrpooya, Seyed Sina Hosseini, Mohammad Reza Ganjali, Ralf Riedel   +4 more
doaj   +1 more source

Molecular Modification Strategies for CO2 Electroreduction to C2+ Products: Classifications, Mechanisms, Advances, and Perspectives

EcoEnergy, EarlyView.
This review comprehensively outlines molecular modification strategies for steering CO2 electroreduction toward C2+ products, including the classification of diverse molecular structures, elucidation of their roles in microenvironment regulation, dissection of C–C coupling pathway engineering, and forward‐looking perspectives on machine learning and ...
Lingling Peng, Hanwen Liu, Tianyou Peng
wiley   +1 more source

Patterns of antimicrobial use among hospitalized Veterans with and without a penicillin-class allergy

Antimicrobial Stewardship & Healthcare Epidemiology
Objective: To explore the progress that the Veterans Health Administration has made to minimize the impact of the penicillin (PCN) allergy label, we determined the proportion of Veterans who reported a PCN-class allergy at the time of hospitalization and
Funnce Liu, Hang Hoang-Nguyen, Erin Ham, McKenna C. Eastment, Luis G. Tulloch-Palomino   +4 more
doaj   +1 more source