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Mostrando 801 - 820 Resultados de 1,902 Para Buscar '"sulphur"', tiempo de consulta: 0.34s Limitar resultados
  1. 801
    “…A number of 79 volatile compounds from the classes of: Alcohols, aldehydes, esters, ketones, sulphur compounds, aliphatic hydrocarbons, nitrogen compounds, carboxylic acids, aromatic acids and ethers were identified by solid-phase micro-extraction and gas-chromatography mass spectrometry. …”
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    Volatile Profile and Physico-Chemical Analysis of Acacia Honey for Geographical Origin and Nutritional Value Determination
  2. 802
    “…Organotellurium derivatives were markedly more active than their selenium and sulphur analogues and non‐coordinating counterions like BAr(F) (4) provide the strongest dicationic catalysts.…”
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    Carbonyl Activation by Selenium‐ and Tellurium‐Based Chalcogen Bonding in a Michael Addition Reaction
  3. 803
    por Abedi, Tayebeh, Mojiri, Amin
    Publicado 2020
    “…An increase in organic matter and in the concentrations of sulphur, iron, and manganese reduces the uptake of As by plants. …”
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    Arsenic Uptake and Accumulation Mechanisms in Rice Species
  4. 804
    “…Two months later, silicone oil was exchanged for 20% sulphur hexafluoride (SF6). CONCLUSIONS AND IMPORTANCE: The graft achieved anatomical and functional success with BCVA of 0.6 logMAR units. …”
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    Autologous neurosensory retinal flap for closure of refractory macular hole in a patient with macular telangiectasia
  5. 805
    “…The ability to specifically label the sulphide ions of protein-bound iron–sulphur (FeS) clusters with (34)S isotope greatly facilitates structure–function studies. …”
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    Generation of (34)S-substituted protein-bound [4Fe-4S] clusters using (34)S-L-cysteine
  6. 806
    por Huang, Linhua, Yuan, Chunmao, Wang, Yu
    Publicado 2020
    “…Therefore, a preadipocyte cell line was adopted as the bioactivity assay to identify the anti-adipogenic compounds in the peeled Moringa seed. Two known sulphur-containing compounds (1 and 2) were isolated and identified. …”
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    Bioactivity-Guided Identification of Anti-Adipogenic Isothiocyanates in the Moringa (Moringa oleifera) Seed and Investigation of the Structure-Activity Relationship
  7. 807
    “…Frataxin deficiency leads to impairment of iron–sulphur cluster synthesis, and consequently, ATP production abnormalities. …”
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    Role of frataxin protein deficiency and metabolic dysfunction in Friedreich ataxia, an autosomal recessive mitochondrial disease
  8. 808
    “…The chemical analysis of the two beer groups showed significant changes in multiple chemical compounds such as ethyl esters, linear aldehydes, and sulphur-compounds; however, the sensory analysis results were not significant even though 39% of participants were able to detect differences. in this study, two factors identified that caused chemical reactions in the TABs were oxidation and live yeast cells. …”
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    Implications of Temperature Abuse on Unpasteurized Beer Quality Using Organoleptic and Chemical Analyses
  9. 809
    “…In this paper, the first-order activity interaction parameter ([Formula: see text]) of j on sulphur in Fe-based melts at 1873 K is investigated by a calculation model established by combining the Miedema model and Toop-Hillert geometric model as well as considering excess entropy and mixing enthalpy. …”
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    Estimation of Activity Interaction Parameters in Fe-S-j Systems
  10. 810
    “…There are inconsistences in lysine, sulphur-containing amino acids, threonine, tryptophan, branched-chain amino acids, and arginine recommendations in data that have surfaced since 1994. …”
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    Amino acid requirements for laying hens: a comprehensive review
  11. 811
    “…Several objective measures were strongly related to the flavour perceptions: (i) texture: instrumental texture values, fat release at oral temperature and fat saturation ratios, (ii) aroma: volatile compounds (e.g., alcohols and esters) associated with microbial fermentation and spices (terpenes and sulphur compounds) and (iii) taste: kokumi taste receptor responses. …”
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    Objective Measurements Associated with the Preferred Eating Qualities of Fermented Salamis
  12. 812
    “…Numerous attempts and much research interest have been devoted to dope different heteroatoms in OMC as the structure defects to enhance its performance, such as nitrogen, phosphorus, sulphur, boron, and multi heteroatoms. Unfortunately, the “how–why–what” question for the heteroatom-doped OMC has not been summarized in any published reports. …”
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    Doping strategy, properties and application of heteroatom-doped ordered mesoporous carbon
  13. 813
    por Reza, Md. Hashim, Sanyal, Kaustuv
    Publicado 2022
    “…Glutathione, an important redox buffer of the cell, also functions as a source of sulphur and nitrogen under starvation conditions. …”
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    Defective in utilizing glutathione 3, DUG3, is required for conidiation and host infection in the rice blast fungus Magnaporthe oryzae
  14. 814
    “…Mitochondria have a central role in cellular metabolism; they are responsible for the biosynthesis of amino acids, lipids, iron–sulphur clusters and regulate apoptosis. About 99% of mitochondrial proteins are encoded by nuclear genes, so the biogenesis of mitochondria heavily depends on protein import pathways into the organelle. …”
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    Protein import in mitochondria biogenesis: guided by targeting signals and sustained by dedicated chaperones
  15. 815
    “…The synthetic procedure furthermore facilitates the replacement of the sulphur atom in the thiazinone ring system by oxygen or nitrogen to afford the analogous benzoxazinone and quinazolinone systems. 36 BTZ analogues were prepared and tested in luminescence‐based assays for in vitro activity against Mycobacterium tuberculosis (Mtb) using the microdilution broth method and a high‐throughput macrophage infection assay.…”
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    Efficient Synthesis of Benzothiazinone Analogues with Activity against Intracellular Mycobacterium tuberculosis
  16. 816
    “…Nutrient contents of FR were evaluated by measuring total carbon, nitrogen, phosphorus, potassium, calcium, magnesium and sulphur contents. Biochemical quality of the products was assayed by fractioning organic matter of organic resources in soluble compartments, hemicelluloses, celluloses and lignin equivalent. …”
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    Chemical and biochemical quality of organic and/ or mineral fertilization resources - A dataset from the Highlands of Madagascar
  17. 817
    “…In this manuscript, we report a straightforward method to create sulphur (S) deficient molybdenum (Mo) sulfide (MoS(2−x)) structures and substitute them with zerovalent copper (Cu) atoms using a colloidal synthesis method. …”
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    Substitution of copper atoms into defect-rich molybdenum sulfides and their electrocatalytic activity
  18. 818
    “…In this work, we analysed linen and cotton textile samples before and after COEX® treatment, a patented green technology imparting anti-flame properties by functionalizing the cellulose molecules with phosphorus and sulphur groups. Some of the samples were also exposed to photo-induced ageing after the treatment. …”
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    Nonlinear imaging and vibrational spectroscopic analysis of cellulosic fibres treated with COEX® flame-retardant for tapestry preservation
  19. 819
    “…In Ace Lake, a stratified marine-derived system in the Vestfold Hills of East Antarctica, a Chlorobium species of green sulphur bacteria (GSB) is the dominant phototroph, although its seasonal abundance changes more than 100-fold. …”
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    Remarkably coherent population structure for a dominant Antarctic Chlorobium species
  20. 820
    “…The production of the \jpsi\ and \psip\ charmonia states has been studied, through their dimuon decay, in proton, Oxygen and Sulphur induced reactions, by the NA38 experiment at the CERN SPS. …”
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    $J/\psi$ and $\psi '$ production in $p$, O and S induced reactions at SPS energies
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