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Ambient temperature leads to differential immune strategies in the subterranean rodent Ctenomys talarum.
J Exp Biol
January 2025
Grupo de Ecología Fisiológica y del Comportamiento. Instituto de Investigaciones Marinas y Costeras (IIMyC). CONICET - Universidad Nacional de Mar del Plata, Argentina.
Animal thermoregulation may have significant costs and compete directly or indirectly with other energetically demanding processes, such as immune function. Although the subterranean environment is characterized by thermally-stable conditions, small changes in ambient temperature could be critical in shaping immunity. However, little is known about the effects of ambient temperature, in naturally varying ranges, on immunity of wild species.
View Article and Find Full Text PDFGas-phase and water-mediated mechanisms for the OCS + OH reaction.
Phys Chem Chem Phys
January 2025
Departamento de Físico-Química, Instituto de Química - Universidade Federal da Bahia, Rua Barão de Jeremoabo, 147, Salvador, Bahia, 40170-115, Brazil.
We report a computational study of the gas-phase and water-mediated mechanisms for the oxidation of carbonyl sulfide (OCS) by the hydroxyl radical. To achieve reliable results, we employ a dual-level strategy within interpolated single-point energies (VTST-ISPE) at the CCSD(T)/aug-cc-pVTZ//M06-2X/aug-cc-pVTZ level of theory. In the gas-phase mechanism, we have determined the rate constants by kinetic Monte Carlo simulation in the interval of temperatures of 250-550 K.
View Article and Find Full Text PDFUltra-precise ruler for ammonia nitrogen quantification in electrochemical synthesis experiments.
Anal Methods
January 2025
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
The field of electrochemical ammonia synthesis has made rapid advancements, attracting a large number of scientists to contribute to this area of research. Accurate detection of ammonia is crucial in this process for evaluating the efficiency and selectivity of electrocatalysts. In this study, we systematically investigate the indophenol blue method for ammonia detection, examining the effects of key factors such as solution pH, nitrate concentration, and metal ion concentration on measurement accuracy.
View Article and Find Full Text PDFTherapeutic potential and mechanisms of umbilical cord mesenchymal stem cells differentiating into tendon cells and promotion of rotator cuff tendon-bone healing.
J Tissue Eng
January 2025
Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.
Rotator cuff tendon injuries often lead to shoulder pain and dysfunction. Traditional treatments such as surgery and physical therapy can provide temporary relief, but it is difficult to achieve complete healing of the tendon, mainly because of the limited repair capacity of the tendon cells. Therefore, it is particularly urgent to explore new treatment methods.
View Article and Find Full Text PDFActivation and Catalysis of Methane over Metal-Organic Framework Materials.
Acc Mater Res
January 2025
Department of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
Methane (CH), which is the main component of natural gas, is an abundant and widely available carbon resource. However, CH has a low energy density of only 36 kJ L under ambient conditions, which is significantly lower than that of gasoline (. 34 MJ L).
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