Showing 221 - 240 results of 693 for search '"Gas Chromatography"', query time: 0.07s Refine Results
  1. 221

    Fatty acids in overwintering egg sacs of pirate spiders Ero sp. (Mimetidae) and wasp spiders Argiope bruennichi (Araneidae) by U. Suprunowicz, A. Piotrowska-Niczyporuk, A. Kostro-Ambroziak

    Published 2025-12-01
    “…(eggs) and Argiope bruennichi (spiderlings). Gas chromatography–mass spectrometry (GC-MS) analysis of the egg sacs of both species revealed 33 FAs containing from 10 to 24 carbon atoms. …”
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    Article
  2. 222

    Ultrasonic Extraction of Oil from Caesalpinia spinosa (Tara) Seeds by Zhan-jun Li, Feng-jian Yang, Lei Yang, Yuan-Gang Zu

    Published 2016-01-01
    “…The yield of tara seed oil increased with increasing ultrasonication power and extraction temperature. Gas chromatography was used to analyze the fatty acid compositions of the oils extracted by the two methods. …”
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    Article
  3. 223

    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
  4. 224

    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
  5. 225

    EFFECT OF SECONDARY METABOLISMS OF THE TRICHODERMA HARZIANUM FUNGUS ON THE SECOND LARVAL STAGE OF THE MUSCA DOMESTICA L. by S. M. Hardan, Th. A. A. Muhsen

    Published 2024-12-01
    “…The experiment in this study aimed to detect secondary metabolic chemical compounds in the alcoholic extract of the Trichoderma harzianum fungus and to demonstrate the effect of this extract on Musca domestica L. in the second larval stage. Gas chromatography-mass spectrometry (GC-MS) was used to analyze the raw extract of T. harzianum. …”
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    Article
  6. 226

    Surface Properties of Silicas with Chemically Bonded Polyfluoroalkyl Groups by K.B. Gurevich, T.M. Roshchina, N.K. Shonia, L.M. Kustov, A.V. Ivanov

    Published 2001-05-01
    “…Adsorption isotherms of hexane and benzene were measured on silicas with chemically bonded polyfluoroalkyl groups and the thermodynamic characteristics of the adsorption of n-alkanes, benzene and alkylbenzenes on the same materials studied at zero coverage by gas chromatography (GC). The prepared polyfluoroalkylsilicas were also investigated by IR spectroscopy over the spectral range 6000–2000 cm −1 when it was shown that the residual SiOH groups on the silica surface do not take part in the adsorption process as the attached organic groups effectively screen them. …”
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    Article
  7. 227

    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
  8. 228

    Zeolite Imidazolate Framework 8 (ZIF-8) Decorated on ZnO Nanorods Resulting in Layered Double Hydroxide Layers for Determination of Phenolic Pollution in Water by Marzieh Piryaei, Mir Mahdi Abolghasemi, Sona Hasani

    Published 2023-07-01
    “…The effectiveness of the fabricated fiber in extracting phenolic compounds from the water sample was evaluated using gas chromatography-mass spectrometry. The effect of effective parameters, such as ionic strength, temperature, and extraction time, was examined to determine the ideal conditions. …”
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    Article
  9. 229

    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
  10. 230

    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
  11. 231

    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
  12. 232

    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
  13. 233

    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
  14. 234

    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
  15. 235

    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
  16. 236

    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
  17. 237

    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
  18. 238

    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
  19. 239

    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
  20. 240

    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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    Article