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Composition of soil fungal communities and microbial activity along an elevational gradient in Mt. Jiri, Republic of Korea.
PeerJ
January 2025
Department of Environmental Engineering, Konkuk University, Seoul, Republic of Korea.
Approximately 64% of the Republic of Korea comprises mountainous areas, which as cold and high-altitude regions are gravely affected by climate change. Within the mountainous and the alpine-subalpine ecosystems, microbial communities play a pivotal role in biogeochemical cycling and partly regulate climate change through such cycles. We investigated the composition and function of microbial communities, with a focus on fungal communities, in Republic of Korea's second tallest mountain, Mt.
View Article and Find Full Text PDF[Impacts of freeze-thaw process on soil microbial nutrient limitation in slope farmlands of the Chinese Mollisol region].
Ying Yong Sheng Tai Xue Bao
October 2024
State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling 712100, Shaanxi, China.
Understanding the impacts of freeze-thaw action on soil microbial nutrient limitation can provide important support for sustainable utilization of black soil resources. We analyzed the impacts of freeze-thaw action on soil microbial nutrient limitation on a slope farmland located in a typical thick Mollisol region of Keshan County, Heilongjiang Province. We examined the responses of soil microbial nutrient limitation to soil erosion rates through measuring soil nutrient, soil microbial biomass, and soil enzyme activities before and after freeze-thaw under natural conditions, and estimated the soil erosion rates by Cs tracing technology.
View Article and Find Full Text PDFCorrelation Between Coagulation Parameters and Dense Fibrin Band Configuration in Tough Intracerebral Hematoma in Anticoagulated Patients.
World Neurosurg
December 2024
Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan.
Objective: Patients receiving anticoagulation therapy develop intracerebral hematomas, which are difficult to evacuate during endoscopic surgery. Insufficient thrombin activation results in the gradual conversion of fibrinogen to fibrin, forming dense fibrin bands (FBs) that harden the hematoma. We aimed to investigate the factors contributing to hematoma hardness.
View Article and Find Full Text PDFGuanidinium and hydrogen carbonate rosette layers: Distance and degree topological indices, Szeged-type indices, entropies, and NMR spectral patterns.
Heliyon
February 2024
School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA.
Supramolecular chemistry explores non-covalent interactions between molecules, and it has facilitated the design of functional materials and understanding of molecular self-assembly processes. We investigate a captivating class of supramolecular structures, the guanidinium and hydrogen carbonate rosette layers. These rosette layers are composed of guanidinium cations and carbonate anions, exhibiting intricate hydrogen-bonding networks that lead to their unique structural properties.
View Article and Find Full Text PDFQuadrupolar Resonance Spectroscopy of Individual Nuclei Using a Room-Temperature Quantum Sensor.
Nano Lett
December 2024
Quantum Engineering Laboratory, Department of Electrical and Systems Engineering, University of Pennsylvania, 200 S. 33rd St., Philadelphia, Pennsylvania 19104, United States.
Nuclear quadrupolar resonance (NQR) spectroscopy reveals chemical bonding patterns in materials and molecules through the unique coupling between nuclear spins and local fields. However, traditional NQR techniques require macroscopic ensembles of nuclei to yield a detectable signal, which obscures molecule-to-molecule variations. Solid-state spin qubits, such as the nitrogen-vacancy (NV) center in diamond, facilitate the detection and control of individual nuclei through their local magnetic couplings.
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