Mostrando 941 - 960 Resultados de 1,902 Para Buscar '"sulphur"', tiempo de consulta: 0.18s Limitar resultados
  1. 941
    por Holeček, Milan
    Publicado 2022
    “…L-serine plays an essential role in a broad range of cellular functions including protein synthesis, neurotransmission, and folate and methionine cycles and synthesis of sphingolipids, phospholipids, and sulphur containing amino acids. A hydroxyl side-chain of L-serine contributes to polarity of proteins, and serves as a primary site for binding a phosphate group to regulate protein function. …”
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  2. 942
    “…This study discovered the presence of a network aromatic–sulphur interaction in viral proteins. Analysis of ligand binding pocket of RSV proteins indicated that drugs are performing better on RSV B than RSV A. …”
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  3. 943
    “…MAGs selected for further evaluation included members of Acidobacteriota , Actinobacteriota , Desulfobacterota_B, Desulfobacterota_F, Dormibacterota, Eremiobacterota , Halobacteriota, Proteobacteria , and Thermoproteota , thus revealing their roles in carbohydrate degradation and mercury detoxification as well as in the sulphur, nitrogen, and methane cycles. A methane-producing Archaea of the genus Methanosarcina was almost exclusively recovered from pasture soils, which can be linked to a sink-to-source shift after the forest-to-pasture conversion. …”
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  4. 944
    “…The hydrogen production rate of Mn(0.5)Cd(0.5)S changed from 2.21 to 6.63 mmol·(g·h)(−1) with the amount of thioacetamide, which was used as the sulphur source. The introduction of Ag, Mo, Ni, Cu, and Cu–Ni alloy meshes efficiently improved the H(2) production rate of the co-catalyst system, especially for the Ni mesh. …”
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  5. 945
    “…Twenty-three molecules are identified, including ketones, aldehydes, alcohols, and sulphur compounds, whose concentration is altered in several pathological states such as cancer and metabolic disorders. …”
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  6. 946
    “…In organic viticulture, a few fungicides with protectant activities (copper and sulphur in particular) can be used, and their preventative application frequently leads to unneeded spraying. …”
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  7. 947
    “…Presently, a few methods are available to control powdery mildew, e.g., the use of fungicides (e.g., based on citric acid), antagonistic fungi or bacteria, chemical treatments (e.g., sulphur, potassium bicarbonate) or genetic resistance. …”
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  8. 948
    “…Environmental assessment of daily average levels of air quality particulate matter 2.5 (PM(2.5)), particulate matter 10 (PM(10)), nitrogen dioxide (NO(2)), sulphur dioxide (SO(2)), and ozone (O(3)) indicated a covariation in ozone and FeNO in which a 35–50% decrease in ozone was followed by a near 20% decrease in FeNO with a 24-h latency. …”
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  9. 949
    “…The specific abundancies of special Archaea—among them ammonia-oxidizing and sulphur-related types—are due obviously to former human activities and support the concept of the “ecological memory of soil”.…”
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  10. 950
    “…Here we focus on dimethyl ether (DME), a promising alternative to diesel due to its high cetane number, oxygen content, and more efficient and cleaner propulsion that results in low particulate matter and sulphur oxide emissions. Going well beyond previous studies that quantified the environmental impact of DME, often in terms of global warming, here we evaluate DME use in heavy-duty trucks in the context of seven planetary boundaries, all essential for maintaining the Earth's stability. …”
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  11. 951
    “…Using stable isotopes and elemental compositions, we followed the fate of nitrogen, carbon and sulphur through various tissues of A. squalicola and its host, the Southern lanternshark Etmopterus granulosus, to better understand the trophic relationship between parasite and host. …”
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  12. 952
    “…The nature of the fermentation-derived VOCs detected (alcohols, aldehydes, esters, ketones, acids, terpenes and norisoprenoids, phenols, furans, sulphur compounds, alkenes, alkanes, and benzene derivatives) was dependent on the composition of the vegetable/fruit matrix, the micro-organisms involved, and the fermentation conditions.…”
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  13. 953
    “…Functional characterisation of the lake metagenomes revealed complete metabolic pathways for sulphur cycling, nitrogen metabolism, carbon fixation via the reverse Krebs cycle, and acetogenesis. …”
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  14. 954
    “…On the basis of past studies, this paper will review the utilisation of several types of additives, including polyphosphoric acid, Evotherm, mangosteen powder, trimethyl-quinoline and sulphur, and the application of xylene and toluene to ensure the homogeneity of the rubberised bitumen. …”
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  15. 955
    “…All briquettes meet the ecological criteria regarding the emission limits for nitrogen oxides (NO(x)), sulphur dioxide, carbon monoxide, and carbon dioxide. …”
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  16. 956
    “…The main hypothesis behind its working mechanism relies on the migration of sulphur vacancies in the proximity of the metal contact during device operation, thus inducing the variation of the Schottky barrier at the metal–semiconductor interface. …”
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  17. 957
    “…In this approach, benzo[c][2,1,3]thiadiazole (BZT) serves as the red RTP unit, while a folding unit containing sulphur/oxygen is responsible for enhancing spin–orbit coupling (SOC) to accelerate the intersystem crossing (ISC) process. …”
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  18. 958
    “…The findings are relevant considering current recommendations for increased consumption of plant foods, which will help to establish the appropriate balance of methionine and cysteine intake required to satisfy the sulphur amino acid requirements of older adults.…”
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  19. 959
    “…This paper comprehensively analyses 2D TMD alloy materials, covering their growth, preparation, optoelectronic properties, and various applications including hydrogen evolution reaction catalysis, field-effect transistors, lithium-sulphur battery catalysts, and lasers. The growth process and characterisation techniques are introduced, followed by a summary of the optoelectronic properties of these materials.…”
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  20. 960
    “…The volume of poorly ventilated or non-ventilated gas was assumed to correspond to a difference between the ventilated gas volume, determined as the end-expiratory lung volume by rebreathing of sulphur hexafluoride (EELV(SF6)), and the total gas volume, calculated from computed tomography images in the end-expiratory position (EELV(CT)). …”
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