Showing 1,841 - 1,860 results of 3,087 for search '"nitrogen"', query time: 0.05s Refine Results
  1. 1841

    Identification of a comprehensive set of transcriptional regulators involved in the long-term survivability of Escherichia coli in soil by Soma Nakamoto, Ikki Kobayashi, Koichi Watanabe, Takeru Kikuta, Sousuke Imamura, Tomohiro Shimada

    Published 2025-02-01
    “…The functions common to several of these transcriptional regulators included carbon and nitrogen metabolism, stationary phase adaptation, and osmotic stress adaptation. …”
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    Article
  2. 1842

    N-Losses and Energy Use in a Scenario for Conversion to Organic Farming by Tommy Dalgaard, Chris Kjeldsen, Nicholas J. Hutchings, Jorgen F. Hansen

    Published 2001-01-01
    “…The aims of organic farming include the recycling of nutrients and organic matter and the minimisa-tion of the environmental impact of agriculture. Reduced nitrogen (N)-losses and energy (E)-use are therefore fundamental objectives of conversion to organic farming. …”
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  3. 1843

    Optical widefield nuclear magnetic resonance microscopy by Karl D. Briegel, Nick R. von Grafenstein, Julia C. Draeger, Peter Blümler, Robin D. Allert, Dominik B. Bucher

    Published 2025-02-01
    “…While cameras have significantly advanced optical, infrared, and electron microscopy, imaging nuclear magnetic resonance (NMR) signals on a camera has remained elusive. Here, we employ nitrogen-vacancy centers in diamond as a quantum sensor, which converts NMR signals into optical signals that are subsequently captured by a high-speed camera. …”
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  4. 1844

    Evaluation of sorption properties of biochar produced by hydrothermal liquefaction of Phragmites australis by Natalia A. Muravieva, Yuliya V. Kulikova, Olga O. Babich

    Published 2025-01-01
    “…Hydrothermal liquefaction, chemical activation of hydrochar sorbents by hydrogen peroxide and vapor-gas activation, sorption capacity by methylene blue, elemental analysis, specific surface area measurement by the Brunaer, Emmett and Teller method, nitrogen sorption–desorption at 77 K. Results. Sorbent yield during activation was 45 and 30% with chemical activation and 91% with steam-gas activation. …”
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  5. 1845

    Coordination Reactions and Noncovalent Interactions of Polyamines with Nucleotides in Binary Systems and with Nucleotides and Copper(II) Ion in Ternary Systems by Lechoslaw Lomozik, Anna Gasowska, Grzegorz Krzysko, Romualda Bregier-Jarzebowska

    Published 2010-01-01
    “…The mode of coordination in the complex is realised mainly through the phosphate groups of the nucleotide with involvement of the endocyclic nitrogen atoms in a manner which depends upon the steric conditions and in particular on the number of the methylene groups in the polyamine molecule.…”
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  6. 1846

    The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system by van der Graaf Harry, van Bakel Niels, Bouwens Bram, Breidenbach Martin, Haase Andrew, van Heijningen Joris, Koushik Anoop Nagesh, Nanni Emilio, du Pree Tristan, van Remortel Nick, Vernieri Caterina

    Published 2024-01-01
    “…The system should operate in ambient air, in vacuum, and in liquid nitrogen. Due to the heat dissipation of these components, bubbles are formed, causing an error in the measured alignment when crossing the optical path. …”
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    Article
  7. 1847

    Physicochemical Characteristics and Storage Stability of Hybrid Beef Patty Using Shiitake Mushroom (Lentinus edodes) by Gyutae Park, Sehyuk Oh, Sanghun Park, Yun-a Kim, Yunhwan Park, Youngjin Kim, Juho Lee, Hwayong Lee, Jungseok Choi

    Published 2023-01-01
    “…As a storage stability experiment, volatile basic nitrogen (VBN), 2-thiobarbituric acid reactive substances (TBARS), and total microbial count were compared (0, 3, and 7 days). …”
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  8. 1848

    Calculation of Theoretical and Empirical Nutrient N Critical Loads in the Mixed Conifer Ecosystems of Southern California by Joan Breiner, Benjamin S. Gimeno, Mark Fenn

    Published 2007-01-01
    “…Edaphic, foliar, and hydrologic forest nutrient status indicators from 15 mixed conifer forest stands in the Sierra Nevada, San Gabriel Mountains, and San Bernardino National Forest were used to estimate empirical or theoretical critical loads (CL) for nitrogen (N) as a nutrient. Soil acidification response to N deposition was also evaluated. …”
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  9. 1849

    Urinary Macrophage Migration Inhibitory Factor Serves as a Potential Biomarker for Acute Kidney Injury in Patients with Acute Pyelonephritis by Ming-Yuan Hong, Chin-Chung Tseng, Chia-Chang Chuang, Chia-Ling Chen, Sheng-Hsiang Lin, Chiou-Feng Lin

    Published 2012-01-01
    “…Conventional markers of kidney function that are familiar to clinicians, including the serum creatinine and blood urea nitrogen levels, are unable to reveal genuine injury to the kidney, and their use may delay treatment. …”
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  10. 1850

    Cryopreservation Method for Preventing Freeze-Fracture of Small Muscle Samples by Namrata Ghag, Joshua Tam, Rox Anderson, Nashwa Cheema

    Published 2025-01-01
    “…Freezing samples in liquid nitrogen, using isopentane as a mediator for efficient cooling, preserves the tissue in its natural state. …”
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    Article
  11. 1851

    Isolation and Characterization of Plant Growth-Promoting Rhizobacteria from Coffee Plantation Soils and Its Influence on Maize Growth by Yasin Ahmed Waday, Ermias Girma Aklilu, Mohammed Seid Bultum, Venkata Ramayya Ancha, Dejene Beyene

    Published 2022-01-01
    “…The optimization of phosphate solubilization was done using different incubation times and sources of carbon and nitrogen. Furthermore, the isolate (JEC4) was tested for plant growth-promoting (PGP) activities and indicated the production of ammonia, hydrogen cyanide, and siderophore. …”
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  12. 1852

    Dye Adsorption by Modified Cotton. Steric and Energetic Interpretations of Model Parameter Behaviours by M. Khalfaoui, M.H.V. Baouab, R. Gauthier, A. Ben Lamine

    Published 2002-02-01
    “…When plotted against the percentage nitrogen content of these cottons, variations in the effective receptor site density and the inverse of the adsorbed molecules anchorage number allowed the adsorption process to be described topographically in terms of the parallel or perpendicular adsorption of the dye molecule on to the adsorbent surface. …”
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  13. 1853

    3D-Metal Complexes Derived from Proton Pump Inhibitors-Synthesis, Characterization and Biological Studies by Suman Malik, Supriya Das, Archana Singh, Liviu Mitu

    Published 2012-01-01
    “…In all the complexes ligand is coordinated by participation of the pyridine nitrogen of the benzimidazole ring and sulphonyl group. …”
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  14. 1854

    Synthesis, Characterization and Antimicrobial Activity of Mixed Schiff Base Ligand Complexes of Co(II), Ni(II), Cu(II) and Zn(II) by A. K. Mapari, M. S. Hate, K. V. Mangaonkar

    Published 2011-01-01
    “…The Schiff bases acts as bidentate monobasic ligands, coordinating through deprotonated phenolic oxygen and azomethine nitrogen atoms. The complexes are non-electrolytic in DMSO. …”
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  15. 1855

    Solid Acids from Persulphated and Perchlorated Physical Mixtures of Zirconium and Titanium Hydroxides by Gamal M.S. El Shafei, Christine A. Philip

    Published 2002-12-01
    “…Variations detected in the structural aspects arising from S 2 O 8 2– or ClO 4 − anion adsorption were reflected in the texture as assessed by nitrogen adsorption at −196°C.…”
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  16. 1856

    Iron-catalysed stereoselective NH transfer enables dynamic kinetic resolution of sulfoxides by Fang-Xu Fan, Hui Xu, Shi-Xiong Tang, Yanfeng Dang, Fei Wang

    Published 2025-02-01
    “…Computational studies on the NH imidation reaction suggest the involvement of an iron-aminyl radical intermediate, and its reaction with sulfoxide proceeds through a synchronous nucleophilic addition of sulfoxide to nitrogen center and ligand-to-metal single electron transfer process to form the N–S bond. …”
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  17. 1857

    Phytoremediation of Lead Polluted Soil by Glycine max L. by Sesan Abiodun Aransiola, Udeme Joshua Josiah Ijah, Olabisi Peter Abioye

    Published 2013-01-01
    “…The results revealed that pH, phosphorous and moisture contents increased while nitrogen and organic carbon contents decreased in polluted soil remediated with Glycine max L. compared to the unpolluted soil. …”
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  18. 1858

    Aspergillus fumigatus NITDGPKA3 Provides for Increased Cellulase Production by Nibedita Sarkar, Kaustav Aikat

    Published 2014-01-01
    “…The culture conditions for maximum enzyme production were found to be initial pH 4, 1% substrate concentration, temperature 30°C, incubation time 5 days, 0.2% tryptone as nitrogen source, and inoculum volumes 7% v/v (for cellulase) and 5% v/v (for xylanase). …”
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  19. 1859

    Suppression of Bromus tectorum L. by Established Perennial Grasses: Potential Mechanisms—Part One by Robert R. Blank, Tye Morgan

    Published 2012-01-01
    “…Potential mechanisms involved in the suppression of B. tectorum include reduced nitrogen (possibly phosphorus) availability and coopting of biological soil space by perennial roots. …”
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  20. 1860

    Biosurfactant-Producing Lactobacilli: Screening, Production Profiles, and Effect of Medium Composition by Eduardo J. Gudiña, José A. Teixeira, Lígia R. Rodrigues

    Published 2011-01-01
    “…The use of different nitrogen sources revealed that yeast extract is essential for bacterial growth, while peptone is crucial for biosurfactant synthesis. …”
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