Showing 461 - 480 results of 969 for search '"liquid chromatography"', query time: 0.06s Refine Results
  1. 461

    Determination of Biochemical Contents of Fresh, Oven-Dried, and Sun-Dried Peels and Pulps of Five Apple Cultivars (Amasya, Braeburn, Golden Delicious, Granny Smith, and Starking) by Zeynep Ergün

    Published 2021-01-01
    “…Sugar and organic acid contents were analyzed through high-performance liquid chromatography. Besides, antioxidant activity, total flavonoid, and total phenolic contents were analyzed with a spectrophotometer. …”
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    Article
  2. 462

    Mycotoxins Detection and Fungal Contamination in Black and Green Tea by HPLC-Based Method by K. Pakshir, Z. Mirshekari, H. Nouraei, Z. Zareshahrabadi, K. Zomorodian, H. Khodadadi, A. Hadaegh

    Published 2020-01-01
    “…The amount of AF and OTA were determined by using high-performance liquid chromatography (HPLC) with a fluorescence detector (FD). …”
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  3. 463

    Quality Evaluation of Decoction Pieces of Gardeniae Fructus Based on Qualitative Analysis of the HPLC Fingerprint and Triple-Q-TOF-MS/MS Combined with Quantitative Analysis of 12 R... by Jing Xu, Rongrong Zhou, Lin Luo, Ying Dai, Yaru Feng, Zhihua Dou

    Published 2022-01-01
    “…In this study, quality evaluation (QE) of 40 batches of decoction pieces of Gardeniae Fructus (GF) produced by different manufacturers of herbal pieces was performed by qualitative analysis of the HPLC fingerprint and ultra-fast liquid chromatography (UFLC)-triple-Q-TOF-MS/MS combined with quantitative analysis of multiple components, which we established previously for QE of traditional medicine. …”
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    Article
  4. 464

    Optimizing Extraction, Evaluating Antioxidant Activity, and Analyzing Bioactive Compounds in Trikaysornmas Formula by Suphatson Limsakul, Orawan Monthakantirat, Yaowared Chulikhit, Juthamart Maneenet, Charinya Khamphukdee, Yutthana Chotritthirong, Achiraya Phasomsap, Chantana Boonyarat, Supawadee Daodee

    Published 2024-01-01
    “…For the analysis of active constituents in the formula, gallic acid, kaempferol-3-o-glucoside, imperatorin, vitexin, and scopoletin, a validated reversed-phase column high-performance liquid chromatography (HPLC) method was developed. The total active contents including phenolic, flavonoid, carotenoid, and alkaloid compounds were found in the formula. …”
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    Article
  5. 465

    Cell Labeling with 15-YNE Is Useful for Tracking Protein Palmitoylation and Metabolic Lipid Flux in the Same Sample by Nadine Merz, Karin Schilling, Dominique Thomas, Lisa Hahnefeld, Sabine Grösch

    Published 2025-01-01
    “…In this study, we developed a method to track 15-YNE incorporation into lipids using liquid chromatography high-resolution mass spectrometry (LC-HRMS) as well as protein palmitoylation in the same sample. …”
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  6. 466

    Simultaneous Analysis of Twelve Bile Acids by UPLC-MS and Exploration of the Processing Mechanism of Bile Arisaema by Fermentation by Qimiao Zhao, Guoshun Shan, Dan Xu, Hui Gao, Ji Shi, Chengguo Ju, Guimei Lin, Fan Zhang, Tianzhu Jia

    Published 2019-01-01
    “…Ultrahigh-performance liquid chromatography (UPLC) coupled with quadrupole time-of-flight tandem mass spectrometry (Q/TOF-MS) in the MS/MS mode and UPLC coupled with triple quadrupole mass spectrometry (QqQ-MS) using the multiple reaction monitoring (MRM) mode were used to make a qualitative and quantitative analysis of twelve bile acids in Bile Arisaema. …”
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    Article
  7. 467

    Multifaceted roles of melatonin: Investigating coffee leaf melatonin concentration as a potential indicator of vegetative growth by Siswanto Dian, Nanda Aldian Dwi, Muwahida Imroatin, Istiqomah Nurul, Munawarti Aminatun, Mastuti Retno

    Published 2025-01-01
    “…Our research posits that melatonin concentrations vary with leaf age and can be effectively detected through Thin Layer Chromatography (TLC) and Liquid Chromatography-Mass Spectrometry (LC-MS) analysis. …”
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  8. 468

    Identification and characterization of a novel tetrapeptide from enzymatic hydrolysates of Baijiu byproduct by Qiang Wu, Changqing Zhong, Guirong Zeng, Xu Zhang, Liping Xiang, Chang Wan, Yougui Yu

    Published 2022-11-01
    “…A superior ACE inhibitory peptide was separated and purified by ultrafiltration and high-performance liquid chromatography (HPLC), and its amino acid sequence was further identified as Gln-Gly-Val-Pro (QGVP) by electrospray mass spectrometry (ESI-MS). …”
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    Article
  9. 469

    Development and Validation of a Stability-Indicating HPLC Method for the Simultaneous Determination of trans-Resveratrol and cis-Resveratrol in an Injectable Solution by Esmeralda Mota-Lugo, Mariana Dolores-Hernández, Elvia A. Morales-Hipólito, Iris A. Blanco-Alcántara, Hugo Cuatecontzi-Flores, Raquel López-Arellano

    Published 2021-01-01
    “…This study developed and validated an analytical stability method for trans-resveratrol by high-pressure liquid chromatography with photodiode-array detection (HPLC-PDA), which allowed its quantification in the presence of its degradation products. …”
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    Article
  10. 470

    Lipoprotein Biology During Induced Oogenesis in the Shortfinned Eel, <i>Anguilla australis</i>—Vascular Transport by Erin L. Damsteegt, Benedetta Mercuriali, Georgia Thomson-Laing, Joanna M. Ward, P. Mark Lokman

    Published 2024-12-01
    “…Slotblots, colorimetric lipid/cholesterol assays, fast protein liquid chromatography and radioimmunoassay were used to assess aspects of blood chemistry. …”
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    Article
  11. 471

    Diagnostic and predictive values of serum metabolic profiles in sudden sensorineural hearing loss patients by Xiangsheng Wang, Yan Gao, Ruirui Jiang

    Published 2022-09-01
    “…Serum metabolites were detected by liquid chromatography-mass spectrometry, and metabolic profiles were analyzed. …”
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    Article
  12. 472

    Occurrence of Acetaminophen, Amoxicillin, Diclofenac and Methylparaben in Lagos and Ologe Lagoons, Lagos, Nigeria by O.S. Folarin, A.A. Otitoloju, N.H. Amaeze, J.K. Saliu

    Published 2020-01-01
    “…Samples analysis was carried out using high performance liquid chromatography. For the two seasons, the mean environmental concentrations of acetaminophen in Lagos and Ologe Lagoons were 0.075 μg/L and 1.233 μg/L respectively. …”
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    Article
  13. 473

    Simultaneous Determination of Five Chromones of Radix Saposhnikoviae Extract in Rat Plasma by UPLC-MS/MS: Application to a Comparative Pharmacokinetic Study in Normal and Febrile R... by Li Meng, Hui Gao, Bin Chen, Peng-peng Liu, Guo-shun Shan, Fan Zhang, Tian-zhu Jia

    Published 2019-01-01
    “…A rapid and sensitive quantitative analytical method was established for the simultaneous determination of five chromones (prim-O-glucosylcimifugin, cimifugin, 4′-O-β-D-glucosyl-5-O-methylvisamminol, 5-O-methylvisammiol, and sec-o-glucosylhamaudol) in the plasma of RS-treated rats for the first time using ultra performance liquid chromatography- (UPLC-) tandem mass spectrometry. …”
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    Article
  14. 474

    Ultrasonic-Assisted Thymol and Carvacrol Extraction from Za’atar Leaves Using Cold-Pressed Sesame Oil by Noyal Aweidah, Hani Naseef, Ramzi Muqdi, Mohammad A. Farraj

    Published 2021-01-01
    “…In addition, a high-performance liquid chromatography (HPLC) analytical method was developed by using a C8 column and 0.05% trifluoroacetic acid as a buffering agent. …”
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    Article
  15. 475

    Single Standard Substance for the Simultaneous Determination of Eleven Components in the Extract of Paeoniae Radix Alba (Root of Paeonia lactiflora Pall.) by Menglan Shen, Qiaoyan Zhang, Luping Qin, Binjun Yan

    Published 2021-01-01
    “…In the QAMS method established based on high performance liquid chromatography with diode array detection, only the reference substance of paeoniflorin was needed, and the other ten components were determined based on their relative correction factors (RCFs) to paeoniflorin. …”
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    Article
  16. 476

    Effect of Efavirenz on Endogenous Progesterone Concentrations and Contraceptive Outcomes among Ugandan HIV Infected Women Coadministering Ethinylestradiol/Levonorgestrel by Grant Munkwase, Kuteesa R. Bisaso, Othman Kakaire, Sarah Nanzigu

    Published 2017-01-01
    “…A blood sample was collected once between days 20 and 22 of each woman’s menstrual cycle for measuring endogenous progesterone and efavirenz concentrations by electrochemiluminescence technology and High Performance Liquid Chromatography (HPLC), respectively. Descriptive statistical analysis and correlation and logistic regression analysis were done using SPSS v.21 and R3.1. …”
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    Article
  17. 477

    Haptoglobin Genotype and Risk Markers of Cardiovascular Disease in Patients with Chronic Kidney Disease by Charlotte Strandhave, My Svensson, Henrik Krarup, Jeppe Hagstrup Christensen

    Published 2013-01-01
    “…Hp genotype was determined by high-performance liquid chromatography. HRV was analysed from the 24 h Holter recordings. …”
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    Article
  18. 478

    De novo transcriptome profiling revealing genes involved in piperine biosynthetic pathway in Piper longum L by Mrinalini Prasad, Shivangi Mathur, Deeksha Singh, Rajiv Ranjan

    Published 2025-01-01
    “…High-performance liquid chromatography (HPLC) revealed varying piperine concentrations, with spikes showing the highest content, followed by roots and leaves. …”
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    Article
  19. 479

    Protective effects of Euphorbia heterophylla against testicular degeneration in streptozotocin-induced diabetic rats in relation to phytochemical profile. by Ahmed M Nagy, Heba A Fahmy, Mohamed F Abdel-Hameed, Rehab F Taher, Alaa M Ali, Mohamed M Amin, Sherif M Afifi, Tuba Esatbeyoglu, Mohamed A Farag, Abdelsamed I Elshamy

    Published 2025-01-01
    “…High-resolution ultra-performance liquid chromatography-mass spectrometry (UHPLC-ESI-Orbitrap-MS) analysis was employed to analyze the compounds present in EH-EtOH. …”
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    Article
  20. 480

    Effect of Benzothiadiazole Treatment during Veraison on Amino Acid Composition, Degradation and Metabolism in ‘Chardonnay’ Grape by GUAN Ruwen, CHEN Chunxia, ZHANG Yu, HAN Yuqi, WANG Jianfeng, WANG Feifei, WANG Huijun, WANG Bo, JIANG Yumei

    Published 2025-01-01
    “…The contents of glucose, fructose, sucrose, organic acids and amino acids, as well as enzyme activities related to amino acid degradation and metabolism and the resulting aroma products were analyzed by high performance liquid chromatography (HPLC), an automatic amino acid analyzer and solid phase microextraction combined with gas chromatography-mass spectrometry (SPME-GC-MS). …”
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    Article