Showing 441 - 460 results of 847 for search '"aromaticity"', query time: 0.17s Refine Results
  1. 441

    Extraction and Transport of Amino Acids Using Kryptofix 5 as Carrier through Liquid Membrane by Pankaj Raizada, Uma Sharma

    Published 2013-01-01
    “…Noncyclic receptor kryptofix 5 with five oxyethylene units and terminal aromatic donor end groups governs its transport and extraction efficiency. …”
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  2. 442

    Alkali Metal Modification of Silica Gel-Based Stationary Phase in Gas Chromatography by Ashraf Yehia El-Naggar

    Published 2013-01-01
    “…The efficiency of the surface-modified silica gels to separate the aromatic hydrocarbons seemed to be strongly influenced by the density of the surface hydroxyls.…”
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  3. 443

    The Influence of the Concentration of Cyclohexane Radicals Bonded with an Si100 Silica Gel Surface upon the Retention of Some Hydrocarbons in Gas Chromatography by R. Nasuto

    Published 2000-02-01
    “…Separation of aliphatic (C 6 –C 12 ), aromatic (benzene, toluene and m -xylene) and some polar organic compounds (chloroform, ethylene chloride, chlorobenzene, p -chlorotoluene and ethyl benzene) by gas chromatography using columns packed with the prepared adsorbents was studied. …”
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  4. 444

    EVALUATION OF THE THERAPEUTIC EFFECTS OF SALVIA ROSMARINUS ESSENTIAL OIL ON NERVOUS SYSTEM DISORDERS by Malina Mihaela Visternicu, Viorica Rarinca, Vasile Burlui, Alin Ciobica

    Published 2025-02-01
    “… Rosemary (Salvia rosmarinus) is an aromatic plant that has been used for centuries in traditional medicine for its remarkable therapeutic properties. …”
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  5. 445

    Synthesis, characterization and gene expression of novel bis-Schiff base compounds and study their anti-bacterial activity using different genes by Mohammed Adnan Abid, Mustafa A-Jabbar Al-Jumaili, Ali Adnan Abed

    Published 2025-01-01
    “…New Schiff compounds based on benzidine (Seven compounds, A–G, 80–90 %) are prepared from the condensation of seven aromatic aldehydes. These agents were characterized by 13C, 1H NMR, HRMS, FTIR, and M.P. …”
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  6. 446

    Synthesis, Characterization, and Catalytic Activity of Pd(II) Salen-Functionalized Mesoporous Silica by Rotcharin Sawisai, Ratchaneekorn Wanchanthuek, Widchaya Radchatawedchakoon, Uthai Sakee

    Published 2017-01-01
    “…The solid catalysts showed higher activity for the hydroamination of C-(tetra-O-acetyl-β-D-galactopyranosyl)allene with aromatic amines compared with the corresponding homogenous catalyst. …”
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  7. 447

    Electro‐Oxidative Extraction of Methanol from Lignin Using a Three‐Dimensional Graphite Anode by Zichun Xiong, Kazuyo Kobayashi, Aki Miyawaki, Shinya Teranishi, Yoshiharu Sawada, Takashi Hibino

    Published 2025-01-01
    “…Abstract This paper reports an electrochemical approach that uses lignin as a resource for renewable and sustainable methanol production. The aromatic rings of lignin have methoxy substituents, which can be oxidatively demethylated to methanol by active oxygen produced at the anode. …”
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  8. 448

    Dynamics of linalool and its derivatives enantiomers in Camellia sinensis var. Assamica “Hainan dayezhong” by Ying Zhou, Junjie Tian, Hainuo Hong, Yang Gao, Yunchuan He, Zeng-Rong Zhu

    Published 2025-01-01
    “…The chiral isomers of aromatic compounds present in fresh tea leaves were found to undergo substantial diurnal and seasonal changes during tea tree growth, and their proportions varied slightly across different leaf positions. …”
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  9. 449

    The Effects of Organic Wastes on Soil and Cotton Quality with respect to the Risk of Boron and Heavy Metal Pollution by Müzeyyen Seçer, Ömer Lütfü Elmaci, Şafak Ceylan

    Published 2016-01-01
    “…The effects on soil and cotton quality of organic wastes from medicinal and aromatic plant factories were investigated with regard to the risks of boron and heavy metal pollution. …”
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  10. 450

    Synthesis of Some New Pyrimidine-Azitidinone Analogues and Their Antioxidant, In Vitro Antimicrobial, and Antitubercular Activities by Mallikarjunaswamy Chandrashekaraiah, Mallesha Lingappa, Vathsala Deepu Channe Gowda, Doddamedur Giddegowda Bhadregowda

    Published 2014-01-01
    “…A series of 1-(3-(4-(pyridin-3-yl)pyrimidin-2-ylamino)-4-methylphenyl)-3-chloro-4-(2-mercaptoquinolin-3-yl)azetidin-2-one (7a-j) have been synthesized from the condensation of aromatic amines with N-phenylacetamide. The thione nucleus formed from 2-chloroquionoline-3-carbadehyde using sodium sulphide in dimethyl formamide (DMF) was followed by the reaction with pyrimidine amine to form the Schiff base intermediates. …”
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  11. 451

    Effects of X-ray and electron beam irradiation on wine quality: Emphasizing phenolic compounds and aroma profiles by Weikang Ding, Qian Tu, Xuexue Xi, Xiaojie Wu, Junqing Bai, Shuang Liu, Junjun Li, Chunlong Yuan

    Published 2025-01-01
    “…This study demonstrates that X-ray and electron beam irradiation significantly enhance phenolic and aromatic compound extraction in wine, showing the potential of irradiation technology in the wine industry.…”
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  12. 452

    Studies on Dyeing Performance of Novel Acid Azo Dyes and Mordent Acid Azo Dyes Based on 2,4-Dihydroxybenzophenone by Bharat C. Dixit, Hitendra M. Patel, Dhirubhai J. Desai, Ritu B. Dixit

    Published 2009-01-01
    “…Novel acid azo and mordent acid azo dyes have been prepared by the coupling of diazo solution of different aminonaphthol sulphonic acids and aromatic amino acids with 2,4-dihydroxybenzophenone. …”
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  13. 453

    Anti-tumor role and molecular mechanism of vanillic acid by Xunxing Hao, Zhixiao Gao, Mingzhe Hu

    Published 2025-01-01
    “…Abstract Vanillic Acid (VA) is an aromatic acid extracted from traditional Chinese medicine such as Angelica sinensis and Panax ginseng, which has demonstrated potent anti-cancer activity, inhibiting the onset and progression of various malignant tumors. …”
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  14. 454

    Naturally occurring volatile organic compounds in deep bedrock groundwater by Riikka Kietäväinen, Mari Nyyssönen, Maija Nuppunen-Puputti, Malin Bomberg

    Published 2025-01-01
    “…The system revealed a range of indigenous volatile organic compounds, including alcohols, ketones, aldehydes, alkanes, aromatics, and sulfur-compounds. Metagenomic sequencing demonstrated spatially widely distributed genetic potential for microbial volatile organic compound metabolism. …”
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  15. 455

    Microwave-Assisted Regioselective Synthesis and 2D-NMR Studies of New 1,2,3-Triazole Compounds Derived from Acridone by Mohammed Aarjane, Siham Slassi, Bouchra Tazi, Amina Amine

    Published 2021-01-01
    “…A simple and mild protocol towards the synthesis of new 1,2,3-triazole compounds derived from acridone has been developed via regiospecific 1,3-dipolar cycloaddition reaction between 10-(prop-2-yn-1-yl)acridone derivatives and aromatic azides using CuI as a catalyst. The cycloaddition reaction has been performed using conventional as well as microwave-assisted methods. …”
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  16. 456

    Synthesis and Antidepressant Activity of Some New 5-(1H-Indol-3-yl)-3-(substituted aryl)-4,5-dihydroisoxazoline Derivatives by Pravin O. Patil, Sanjay B. Bari

    Published 2013-01-01
    “…It clearly demonstrated that replacement of aromatic core by appropriate heterocycles such as pyridine and pyrrole on the 5-(1H-Indol-3-yl)-3-(Phenyl)-4,5-dihydroisoxazoline (3a) would generate more potent derivatives. …”
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  17. 457

    Use of Nucleic Acid Analogs for the Study of Nucleic Acid Interactions by Shu-ichi Nakano, Masayuki Fujii, Naoki Sugimoto

    Published 2011-01-01
    “…Remarkably, they can adopt two different conformations responding to their interaction energies, and one of them is the stacking conformation of the nonpolar aromatic group causing the site-selective flipping of the opposite base in a DNA double helix. …”
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  18. 458
  19. 459

    Emission Factors of PAHs Components and Bioreactivity in PM2.5 from Biomass Burning by Xinye Zhu, Kin-Fai Ho, Tzu-Ting Yang, Vincent Laiman, Jian Sun, Zhenxing Shen, Hsiao-Chi Chuang

    Published 2023-11-01
    “…Abstract Biomass burning releases fine particulate matter (PM2.5), water-soluble inorganic ions (WSIs), metal elements, polycyclic aromatic hydrocarbons (PAHs) and other compounds, and it is one of the largest sources of carbonaceous aerosols. …”
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  20. 460

    Affecting of Glyphosate Tolerance and Metabolite Content in Transgenic <i>Arabidopsis thaliana</i> Overexpressing <i>EPSPS</i> Gene from <i>Eleusine indica</i> by Jingchao Chen, Zhiling Li, Haiyan Yu, Hailan Cui, Xiangju Li

    Published 2024-12-01
    “…Metabolites associated with flavone and flavonol biosynthesis, the metabolism of aromatic amino acids, and energy metabolism were significantly increased. …”
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