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Direct detection of phycocyanin in sediments by hyperspectral imaging.
J Paleolimnol
December 2024
Institute of Geography and Oeschger Center for Climate Change Research, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland.
Unlabelled: Cyanobacteria are ubiquitous aquatic organisms with a remarkable evolutionary history reaching as far as 1.9 Ga. They play a vital role in ecosystems yet also raise concerns due to their association with harmful algal blooms.
View Article and Find Full Text PDFChange in mineral composition and cooking quality in legumes grown on semi-arid alfisols due to elevated CO and temperature.
Front Nutr
January 2025
ICAR-Central Research Institute for Dryland Agriculture, Hyderabad, Telangana, India.
This study aimed to determine the effects of elevated carbon dioxide (eCO) and temperature (eT) on the phytochemical and nutritional parameters of legumes. Field experiments were conducted using black gram ( L.), green gram ( L.
View Article and Find Full Text PDFIron-oxidizing microorganisms affect the iron-bound organic carbon in the subsoil of alpine grassland during the thawing of seasonal frozen soil.
Front Microbiol
January 2025
College of Grassland Science, Xinjiang Agricultural University, Urumqi, China.
Iron (Fe) minerals possess a huge specific surface area and high adsorption affinity, usually considered as "rust tanks" of organic carbon (OC), playing an important role in global carbon storage. Microorganisms can change the chemical form of Fe by producing Fe-chelating agents such as side chains and form a stable complex with Fe(III), which makes it easier for microorganisms to use. However, in seasonal frozen soil thawing, the succession of soil Fe-cycling microbial communities and their coupling relationship with Fe oxides and Fe-bound organic carbon (Fe-OC) remains unclear.
View Article and Find Full Text PDFTemporal and spatial variations of soil Se in China over the past half century and its influencing factors.
Environ Geochem Health
January 2025
School of Public Health, Nanchang University, No.461, Bayi Avenue, Nanchang, 330006, China.
Soil serves as a significant reservoir of selenium (Se) and plays a crucial role for the entry of Se into the food chain. Therefore, it is of utmost importance to gain a deep understanding of the spatial and temporal variation of total soil Se content in China, as well as its influencing factors. This understanding is essential for the rational and efficient utilization of Se resources, the maintenance of ecological balance, and the preservation of human health in the future.
View Article and Find Full Text PDFInvestigating the preventive effects of pulsed electromagnetic fields on glucocorticoid-induced osteoporosis in rats.
Sci Rep
January 2025
Department of Spine and Spinal Cord Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, No. 7 Weiwu Road, Jinshui District, Zhengzhou, 450003, Henan, China.
The use of pulsed electromagnetic field (PEMF) has demonstrated effectiveness in the management of femoral head osteonecrosis as well as nonunion fractures; however, the effects of PEMF on preventing glucocorticoid-induced osteoporosis (GIOP) have not been extensively studied. The aim of this investigation was to explore the effectiveness of PEMF stimulation in averting GIOP in rats and uncover the potential fundamental mechanisms involved. A total of seventy-two adult male Wistar rats composed the experimental group and were subsequently assigned to three groups for treatment.
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