Activation of otherwise inert bonds has significant potential in the design of efficient and synthetically useful transformations. While general catalytic carbon-carbon single bond activations are still in their infancy, this emerging area examines recent developments in the activation of strained rings, focusing on enantioselective reactions.
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http://dx.doi.org/10.1039/b904405a | DOI Listing |
J Chiropr Med
September 2024
Norman W. Kettner, DC Imaging Center, Logan University, Chesterfield, Missouri.
Objective: The purpose of this report is to describe the presentation of a patient with a pectoralis major tendon (PMJ) tear.
Clinical Features: A 30-year-old male weightlifter presented to a chiropractor with localized left arm pain that began while bench-pressing. Ecchymosis and swelling were present, but no contour abnormalities were seen.
Orthop J Sports Med
January 2025
Department of Orthopaedic Surgery, University of Utah, Salt Lake City, Utah, USA.
Background: Sports-related injuries remain a significant problem for collegiate baseball players. Although some studies reported the epidemiology of sports-related injuries among collegiate baseball players, the latest information on sport-related injuries should be provided.
Purpose: To examine the current trends of sports-related injuries among collegiate baseball players in the Pacific 12 (PAC-12) Conference.
Adv Mater
January 2025
Frontiers Science Center for New Organic Matter, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), State Key Laboratory of Advanced Chemical Power Sources, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin, 300071, China.
As promising bifunctional electrocatalysts, transition metal nitrides are expected to achieve an efficient hydrazine oxidation reaction (HzOR) by fine-tuning electronic structure via strain engineering, thereby facilitating hydrogen production. However, understanding the correlation between strain-induced atomic microenvironments and reactivity remains challenging. Herein, a generalized compressive strained W-NiN catalyst is developed to create a surface with enriched electronic states that optimize intermediate binding and activate both water and NH.
View Article and Find Full Text PDFNat Commun
January 2025
School of Materials Science and Engineering, Peking University, Beijing, China.
Superbugs in groundwater are posing severe health risks through waterborne pathways. An emerging approach for green disinfection lies at photocatalysis, which levers the locally generated superoxide radical (·O) for neutralization. However, the spin-forbidden feature of O hinders the photocatalytic generation of active ·O, and thus greatly limited the disinfection efficiency, especially for real groundwater with a low dissolved oxygen (DO) concentration.
View Article and Find Full Text PDFCureus
December 2024
Orthopedic Surgery, National and Kapodistrian University of Athens, Attikon Hospital, Athens, GRC.
Combat sports encompass a wide range of disciplines, each associated with distinct injury patterns and mechanisms. From karate to wrestling, athletes face varying degrees of injury risks, with common clinical presentations including head injuries, strains, sprains, fractures, and concussions. These injuries often result from dynamic movements, physical contact, and high-impact collisions inherent to combat sports.
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