Showing 441 - 460 results of 969 for search '"liquid chromatography"', query time: 0.07s Refine Results
  1. 441

    Green chemistry approaches in the analytical validation of fosravuconazole using UV spectrophotometry and HPLC by Jeswin Maliyakal, Mital Patel

    Published 2025-03-01
    “…This study addresses the need for a precise quantitative method to determine “Fosravuconazole” using UV spectrophotometry and High-Performance Liquid Chromatography (HPLC). The HPLC method used an isocratic approach with a reversed-phase CHROMASIL C18 column (4.6 mm × 250 mm, 5 µm), a flow rate of 0.9 mL/min and detection at a wavelength of 287 nm. …”
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    Article
  2. 442

    Compliance Level and Stability of Micronutrients in Fortified Maize Flour in Tanzania by Abdulsudi Issa-Zacharia, Gudila Boniface Mareni

    Published 2024-01-01
    “…Micronutrients (zinc and iron) were analysed using microwave plasma atomic emission spectrometry (MP-AES), and folic acid was analysed using high-performance liquid chromatography (HPLC). The mean concentrations of micronutrient were significantly (p<0.05) higher at the production site compared to the retail outlet. …”
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  3. 443

    Polyamine Content of Enteral Nutrition Formulas: Effect of Daily Intake on the Feeding Tolerance of Patients During the First Week in the Intensive Care Unit by Manuel Sánchez, Eva Rodríguez-Hernández, Lorena Suárez, Begoña Cantabrana, María González-García

    Published 2025-01-01
    “…The amines were analysed in 16 EN formulas using high-performance liquid chromatography (HPLC). The clinical data of eight patients of both sexes aged 47 to 77 admitted to the ICU were analysed. …”
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    Article
  4. 444

    Determination of Selected Polycyclic Aromatic Compounds in Particulate Matter Samples with Low Mass Loading: An Approach to Test Method Accuracy by Susana García-Alonso, Rosa María Pérez-Pastor, Víctor Archilla-Prat, David Sanz-Rivera, Enrique Rojas-García, Gaizka Aragón-Urrengoetxea, Jesús Javier Rodríguez-Maroto

    Published 2017-01-01
    “…Selected PACs (polycyclic aromatic hydrocarbons (PAHs) and nitro polycyclic aromatic hydrocarbons (NPAHs)) were determined by liquid chromatography with fluorescence detection (HPLC/FD). …”
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    Article
  5. 445

    Involuntary intoxication caused by vaping the synthetic cannabinoid ADB-BUTINACA: A case report by Elise M.A. Slob, Maryam Lyousoufi, Sharif Pasha, Erik B. Wilms

    Published 2025-06-01
    “…Despite all negative results in the point-of-care test for recreational drugs, the liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF-MS) analysis showed that the liquid of the e-cigarette contained ADB-BUTINACA, a synthetic cannabinoid. …”
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    Article
  6. 446

    The Effects of Storage Conditions on Lycopene Content and Color of Tomato Hot Pot Sauce by He Li, Jian Zhang, Yong Wang, Jian Li, Yihe Yang, Xinqi Liu

    Published 2018-01-01
    “…High performance liquid chromatography was employed for detecting lycopene and 5-hydroxymethylfurfural (HMF). …”
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    Article
  7. 447

    Preliminary Assessment of the Chemical Stability of Dried Extracts from Guazuma ulmifolia Lam. (Sterculiaceae) by Gisely C. Lopes, Renata Longhini, Paulo Victor P. dos Santos, Adriano A. S. Araújo, Marcos Luciano Bruschi, João Carlos P. de Mello

    Published 2012-01-01
    “…Thermogravimetry (TG) was supplemented using selective high-performance liquid chromatography (HPLC) for determination of stability of the characteristic constituents (chemical markers), namely, procyanidin B2 (PB2) and epicatechin (EP). …”
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  8. 448

    Analysis of Changes in Flavor Substances of Tomato Fruits in Different Ripening Stages by Headspace-Gas Chromatography-Ion Mobility Spectrometry by FU Xiaohui, SHI Lu, SUN Qingzhen, DONG Xiaoxing, PIAO Fengzhi, DU Nanshan

    Published 2025-01-01
    “…High performance liquid chromatography (HPLC) and headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) were employed to analyze the changes in volatile metabolites in wild-type Ailsa Craig tomato fruits in four ripening stages (mature green, breaker, light ripe and red ripe) at the metabolic and transcriptional levels. …”
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  9. 449
  10. 450

    Exogenous Angiotensin I Metabolism in Aorta Isolated from Streptozotocin Treated Diabetic Rats by P. P. Wołkow, B. Bujak-Giżycka, J. Jawień, R. Olszanecki, J. Madej, J. Rutowski, R. Korbut

    Published 2016-01-01
    “…Products of ANG I metabolism through classical (ANG II, ANG III, and ANG IV) and alternative (ANG (1–9), ANG (1–7), and ANG (1–5)) pathways were measured in the buffer, using liquid chromatography-mass spectrometry. Results. Incubation with ANG I resulted in higher concentration of ANG II (P = 0.02, vehicle pretreatment) and lower of ANG (1–9) (P=0.048, perindoprilat pretreatment) in diabetes. …”
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  11. 451

    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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  12. 452
  13. 453

    Metabolome profiling dissects the oat (Avena sativa L.) innate immune response to Pseudomonas syringae pathovars. by Chanel J Pretorius, Paul A Steenkamp, Ian A Dubery

    Published 2025-01-01
    “…Methanolic leaf extracts were analysed by ultra-high-performance liquid chromatography (UHPLC) connected to high-definition mass spectrometry. …”
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  14. 454

    Optimization of Extraction Conditions for Determination of Tiliroside in Tilia L. Flowers Using an LC-ESI-MS/MS Method by Aleksandra Pieczykolan, Wioleta Pietrzak, Renata Nowak, Józefina Pielczyk, Karolina Łamacz

    Published 2019-01-01
    “…A new, rapid, simple, sensitive, and selective liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) method was developed to determine the content of tiliroside in Tilia L. flowers. …”
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    Article
  15. 455

    Phytoconstituent analysis, bioactivity, and safety evaluation of various colors of Chrysanthemum morifolium flower extracts for cosmetic application by Angsana Neatpatiparn, Varaporn Buraphacheep Junyaprasert, Krit Thirapanmethee, Veerawat Teeranachaideekul

    Published 2025-02-01
    “…High-performance liquid chromatography (HPLC) analysis indicated that the purple extract had the highest concentration of luteolin (0.2403% w/w, p < 0.05), while the yellow extract contained the highest levels of chlorogenic acid (0.4320% w/w, p < 0.05) and caffeic acid (0.0289% w/w, p < 0.05). …”
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  16. 456

    A Joint Technology Combining the Advantages of Capillary Microsampling with Mass Spectrometry Applied to the Trans-Resveratrol Pharmacokinetic Study in Mice by Ying Xu, Song-xia Zhang, Jing Guo, Li-jie Chen, Yu-ligh Liou, Tai Rao, Jing-bo Peng, Ying Guo, Wei-hua Huang, Zhi-rong Tan, Dong-sheng Ou-yang, Hong-hao Zhou, Wei Zhang, Yao Chen

    Published 2022-01-01
    “…Based on the idea of a joint technology, the capillary microsampling (CMS) was chosen for blood sample collection from mice after delivery of trans-resveratrol (150 mg/kg) by gavage, and a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was developed for the determination of trans-resveratrol and its main metabolites. …”
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  17. 457

    Assessing environmental and human health risks of pharmaceutical contamination in surface water by Ioana-Antonia Cimpean, Florentina Laura Chiriac, Diana Constantinescu-Groposila, Victor Constantin Cojocaru, Vasile Ion Iancu

    Published 2024-12-01
    “…The most commonly employed techniques include solid phase extraction (SPE) followed by high-performance liquid chromatography coupled with mass spectrometry (HPLC/MS). …”
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  18. 458

    Development of a conjunctival contact–type drug delivery device for latanoprost using hyaluronic acid by Soomin Lee, Mi-Young Jung, Choul Yong Park

    Published 2025-12-01
    “…We developed HA tablets loaded with latanoprost (HA-latanoprost) and verified the concentration using high-performance liquid chromatography. Twenty mice (C57BL6) were divided into four groups (n = 5 per group): normal saline (group 1), control HA tablet (group 2), Xalatan™ (group 3), and HA-latanoprost tablet (group 4). …”
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  19. 459

    Evaluation of Plasma Amino Acid Levels in Preterm Infants and Their Potential Correlation with Retinopathy of Prematurity by Yasin Ozcan, Gumus Huseyin, Kenan Sonmez

    Published 2020-01-01
    “…Plasma aa levels were analyzed using liquid chromatography with tandem mass spectrometry (LC-MS/MS). …”
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  20. 460

    Quality Assessment of Artemether-Lumefantrine Samples and Artemether Injections Sold in the Cape Coast Metropolis by James Prah, Elvis Ofori Ameyaw, Richmond Afoakwah, Patrick Fiawoyife, Ernest Oppong-Danquah, Johnson Nyarko Boampong

    Published 2016-01-01
    “…The samples were then analyzed for the content of active ingredients using High Performance Liquid Chromatography with a variable wavelength detector. …”
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