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Quantitative analysis of amino acid excretion by Methanothermobacter marburgensis under N-fixing conditions.
Sci Rep
January 2025
Archaea Physiology & Biotechnology Group, Department of Functional and Evolutionary Ecology, University of Vienna, Wien, Austria.
Methanogenic archaea (methanogens) possess fascinating metabolic characteristics, such as the ability to fix molecular nitrogen (N). Methanogens are of biotechnological importance due to the ability to produce methane (CH) from molecular hydrogen (H) and carbon dioxide (CO) and to excrete proteinogenic amino acids. This study focuses on analyzing the link between biological methanogenesis and amino acid excretion under N-fixing conditions.
View Article and Find Full Text PDFBurden of blindness and visual impairment associated with corneal opacities in India.
Br J Ophthalmol
January 2025
Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, Delhi, India.
Purpose: To obtain national-level data on current burden of blindness and visual impairment (VI) due to corneal opacities (CO) and their epidemiological determinants in India.
Methods: A cross-sectional, population-based survey was conducted in 31 districts for population aged ≥50 years using Rapid Assessment of Avoidable Blindness (RAAB) V.6 methodology and 6 districts for population aged 0-49 years.
Associations between sedentary behaviour and sarcopenia among patients aged 40 and older with chronic obstructive pulmonary disease: a cross-sectional study.
BMC Public Health
January 2025
School of Nursing and Rehabilitation, Cheeloo College of Medicine, Shandong University, 44 Wenhua Xi Road, Lixia District, Jinan, Shandong Province, China.
Background: Patients with chronic obstructive pulmonary disease (COPD) and sarcopenia experience poorer clinical prognosis. Although sedentary behaviour (SB) is common risk factor for COPD, its relationship with sarcopenia in this specific population remains unclear.
Methods: This is a cross-sectional survey of participants aged 40 and above with COPD, involving 27 communities and 2 hospitals' outpatient departments.
Assessing Endodontic Treatment Feasibility for Cracked Teeth using Quantitative Light-induced Fluorescence: A Retrospective Clinical Study.
J Endod
January 2025
Department of Conservative Dentistry and Oral Science Research Center, Gangnam Severance Hospital, Yonsei University College of Dentistry, 211 Eonjuro, Gangnamgu, Seoul 06273, Korea. Electronic address:
Introduction: Cracked teeth present diagnostic and treatment challenges due to their complex etiology and uncertain prognoses. This study evaluated the potential of Quantitative Light-induced Fluorescence (QLF) technology for diagnosing cracked teeth and its utility in predicting the need for root canal treatment (RCT).
Methods: A total of 207 cracked teeth from 149 patients diagnosed between April 2019 and April 2023 were analyzed.
Room-temperature continuous-wave pumped exciton polariton condensation in a perovskite microcavity.
Sci Adv
January 2025
School of Materials Science and Engineering, Peking University, Beijing 100871, P.R. China.
Microcavity exciton polaritons (polaritons) as part-light part-matter quasiparticles garner considerable attention for Bose-Einstein condensation at elevated temperatures. Recently, halide perovskites have emerged as promising room-temperature polaritonic platforms because of their large exciton binding energies and superior optical properties. However, currently, inducing room-temperature nonequilibrium polariton condensation in perovskite microcavities requires optical pulsed excitations with high excitation densities.
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