Showing 181 - 200 results of 562 for search '"Gas Chromatography"', query time: 0.07s Refine Results
  1. 181

    Potential of the Essential Oil from Pimenta Pseudocaryophyllus as an Antimicrobial Agent by Suzuki Érika Yoko, Baptista Edilene Bolutari, Resende Do Carmo Antônio Márcio, Miranda Chaves Maria Das Graças Afonso, Chicourel Elizabeth Lemos, Barbosa Raposo Nádia Rezende

    Published 2014-09-01
    “…The chemical profile of the essential oil was evaluated by high-resolution gas chromatography (HR-GC) and four constituents were identified, eugenol being the major component (88.6 %). …”
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    Article
  2. 182

    Destruction of chlorinated pesticides in TiO2-enhanced photochemical process by Adriana Zaleska, Jan Hupka, Andrzej Silowiecki, Marek Wiergowski, Marek Biziuk

    Published 1999-01-01
    “…Pesticides destruction ratio was evaluated and oxidation products were identificated by gas chromatography with thermionic specific detector (GC-TSD) and mass spectroscopy detector (GC-MS). …”
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    Article
  3. 183

    Production of Biodiesel from Waste Vegetable Oil via KM Micromixer by M. F. Elkady, Ahmed Zaatout, Ola Balbaa

    Published 2015-01-01
    “…The presence of methyl ester groups at the produced biodiesel was confirmed using both the gas chromatography-mass spectrometry (GC-MS) and the infrared spectroscopy (FT-IR). …”
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    Article
  4. 184

    Disperse Solid-Phase Extraction Cleanup for the Determination of 1-Deoxynojirimycin in Mulberry Leaves with Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry by Lei Zhang, Yiran Zhou, Jing Meng, Jia Li

    Published 2021-01-01
    “…Compared with methods by gas chromatography (GC) and liquid chromatography (LC) via real sample detection, the proposed method acquired better stability and detection efficiency. …”
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    Article
  5. 185

    Species Identification and Effects of Aromatic Hydrocarbons on the Fluorescence Spectra of Different Oil Samples in Seawater by Yongchao Hou, Ying Li, Guannan Li, Mingfei Xu, Yunpeng Jia

    Published 2021-01-01
    “…Here, we developed a composition method using the fluorescence spectra of eight AH categories analyzed by gas chromatography-mass spectrometry (GC-MS) to evaluate the contribution of AHs to the total fluorescence of six different oil species. …”
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    Article
  6. 186

    EFFECT OF REPRODUCTIVE STAGES ON SOME BLOOD METABOLITES IN THE SHOW AND RACEHORSE MARES IN IRAQ by M. A. Abed, T. A. Abdulkareem, W. A. Saleh

    Published 2025-01-01
    “…Blood samples were collected twice via jugular venipuncture, and blood biochemical metabolic biomarkers were evaluated by gas chromatography (GC) and high liquid chromatography (HPLC). …”
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    Article
  7. 187

    ANTIBACTERIAL ACTIVITIES AND CHEMICAL COMPOSITION OF ESSENTIAL OIL OF BLUMEA BALSAMIFERA (L.) DC., DISTRIBUTED IN LAMDONG PROVINCE, VIETNAM by Hoàng Thị Bình, Nguyễn Minh Trí, Nguyễn Hữu Quân, Nguyễn Văn Ngọc

    Published 2020-05-01
    “…The hydrodistillation method was used to isolate essential oil from leaves of this species, and gas chromatography/mass spectrometry (GC-MS) techniques were used to analyze the chemical constituents of the essential oil. …”
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    Article
  8. 188

    Environmental Detoxification of Benzimidazole Fungicide Fuberidazole via Microbial Action in Liquid Cultures by Jehad S. Al-Hawadi, Khuram Shahzad Ahmad, Mahwash Mahar Gul, Ghulam Abbas Ashraf, Mohammad Altaf

    Published 2024-09-01
    “…Analysis and quantification of Fuberidazole degradation and its metabolites were performed by gas chromatography mass spectrometry and UV-visible spectrophotometry. …”
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    Article
  9. 189

    New and Advanced Methods in Detection of Fruit Juice Adulteration: Focusing on Nano-Biosensor by Samira Shokri, Mahya Soltani, Yeganeh Mazaheri, Alieh Rezagholizade-shirvan, Mansoureh Mohammadi, Nabi Shariatifar, Tayebeh Zeinali

    Published 2024-01-01
    “…Chromatographic techniques, such as high-performance liquid chromatography (HPLC) and gas chromatography (GC), are commonly used to determine the purity of fruit juices. …”
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    Article
  10. 190

    Pathway and molecular mechanisms for malachite green biodegradation in Exiguobacterium sp. MG2. by Ji'ai Wang, Feng Gao, Zhongzhong Liu, Min Qiao, Xuemei Niu, Ke-Qin Zhang, Xiaowei Huang

    Published 2012-01-01
    “…High-pressure liquid chromatography, liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry were employed to detect the catabolic pathway of MG. …”
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    Article
  11. 191

    Effect of Pretreatment on Detection of 37 Pesticide Residues in Chrysanthemum indicum by Xiao-Ying Lu, Yan-Qin Ouyang, Wei-Ya Zeng, Cui-Qing Lin, Lu-Hua Xiao, Gui-Hua Luo, Ruo-Ting Zhan, Ping Yan

    Published 2021-01-01
    “…This study aimed to develop a method, followed by gas chromatography-mass spectrometry, for detecting 37 pesticides in Chrysanthemum indicum (C. indicum) and investigating the decrease in the matrix-induced enhancement effect. …”
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    Article
  12. 192

    Alkaloids in Processed Rhizoma Corydalis and Crude Rhizoma Corydalis Analyzed by GC/MS by Zhifeng Guo, Ru Cai, Huidan Su, Yunlong Li

    Published 2014-01-01
    “…The alkaloids in the processed Rhizoma Corydalis and the crude Rhizoma Corydalis were qualitatively and semiquantitatively analyzed using gas chromatography-mass spectrometry (GC/MS) method. The processing herb drug procedure was carried out according to the standard method of Chinese Pharmacopoeia. …”
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    Article
  13. 193

    The Chemical and Nutritional Properties of Processed Fruit Enriched with Algae by Somayeh Ranjbar-Shamsi, Anousheh Sharifan, Mozhgan Emtyazjoo, Maryam Moslehishad

    Published 2021-01-01
    “…Fatty acid profiles were measured by gas chromatography. Vitamin contents were measured using HPLC. …”
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    Article
  14. 194

    Toxicity of Ulva lactuca and green fabricated silver nanoparticles against mosquito vectors and their impact on the genomic DNA of the dengue vector Aedes aegypti by Al Thabiani Aziz

    Published 2022-06-01
    “…Ulva lactuca, a green macroalgae extract analysed through gas chromatography mass spectrometry reveals 31 compounds. …”
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    Article
  15. 195

    Repair of Ceramic Ware in the Neolithic and Eneolithic (case study of the extreme North-East of Europe) by Viktor N. Karmanov

    Published 2024-08-01
    “…Five samples of sealants from the Final Neolithic–Eneolithic Chuzhyael culture were analyzed by gas chromatography-mass spectrometry. It was found that the adhesive materials were tar obtained by the “double pot” method – heating the raw material in one pot while pouring the product into another container. …”
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  16. 196

    Analysis of the composition, characteristics, and antifungal properties of cutin in goji berry fruits at different developmental stages by Yueli Zhou, Dayuan Chen, Cong Wang, Huaiyu Zhang, Lunaike Zhao, Junjie Wang, Qiding Peng

    Published 2025-02-01
    “…In the current study, paraffin sections and gas chromatography/mass spectrometry (GC/MS) techniques were used to identify differences in cuticle structure and chemical composition of Ningqi-1 and Ningqi-5 goji berries at different developmental stages. …”
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    Article
  17. 197

    Sampling and Analytical Method for Alpha-Dicarbonyl Flavoring Compounds via Derivatization with o-Phenylenediamine and Analysis Using GC-NPD by Stephanie M. Pendergrass, Jeffrey A. Cooper

    Published 2016-01-01
    “…After derivatization, the sorbent was desorbed in 3 mL of ethanol solvent and analyzed using gas chromatography/nitrogen-phosphorous detection (GC/NPD). …”
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  18. 198

    Release of Volatile Compounds from Polymeric Microcapsules Mediated by Photocatalytic Nanoparticles by J. Marques, L. F. Oliveira, R. T. Pinto, P. J. G. Coutinho, P. Parpot, J. R. Góis, J. F. J. Coelho, F. D. Magalhães, C. J. Tavares

    Published 2013-01-01
    “…The quantification of the output release has been performed by gas chromatography analysis coupled with mass spectroscopy.…”
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  19. 199

    Environmental Applications of Mass Spectrometry for Emerging Contaminants by Anil Kumar Meher, Akli Zarouri

    Published 2025-01-01
    “…This review highlights the pivotal role of mass spectrometry (MS) in monitoring ECs, emphasizing its high sensitivity, specificity, and versatility across various techniques such as Gas Chromatography-Mass Spectrometry (GC-MS), Liquid Chromatography-Mass Spectrometry (LC-MS), and High-Resolution Mass Spectrometry (HR-MS). …”
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  20. 200

    Volatile organic compounds of Thai honeys produced from several floral sources by different honey bee species. by Praetinee Pattamayutanon, Sergio Angeli, Prodpran Thakeow, John Abraham, Terd Disayathanoowat, Panuwan Chantawannakul

    Published 2017-01-01
    “…The volatile organic compounds (VOCs) of four monofloral and one multifloral of Thai honeys produced by Apis cerana, Apis dorsata and Apis mellifera were analyzed by headspace solid-phase microextraction (HS-SPME) followed by gas chromatography and mass spectrometry (GC-MS). The floral sources were longan, sunflower, coffee, wild flowers (wild) and lychee. …”
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    Article