Showing 1,181 - 1,200 results of 1,443 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 1181

    Differences in Metabolites of Different Varieties from Xinjiang Large-fruit Sea Buckthorn as Analyzed by Non-targeted Metabolomics by Rong HAN, Yan MA, Shengjie LI, Xintao MENG, Mingqiang XU, Ting ZHANG, Yan PAN

    Published 2025-02-01
    “…This experiment aimed to investigate the differences in metabolites of different varieties from Xinjiang large-fruit sea buckthorn, ultra high performance liquid chromatography-mass spectrometry (UPLC-QTOF-MS) coupled with multivariate statistical analysis and pathway enrichment analysis were used to characterize the metabolites of six Xinjiang large-fruit sea buckthorn species ('Mixed Fruit', 'Giant', 'Shenqunhon', 'Wucifeng', 'Xiangyang' and 'Zhuangyuan Yellow') were subjected to non-targeted metabolomics study. …”
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  2. 1182

    Analysis of Volatile Components and Key Aroma Components in Dianhong Congou Black Tea Produced by Variable Temperature Fermentation by WANG Yanyan, LIU Zhiwei, YAN Huiting, LU Jianwei, HE Yamei, GAO Jun, BAI Bing, LU Liping

    Published 2024-12-01
    “…To determine the optimal variable temperature fermentation parameters, the volatile components in DCT samples were analyzed by sensory evaluation, gas chromatography-mass spectrometry (GC-MS), odor activity value (OAV) and orthogonal partial least squares-discriminant analysis (OPLS-DA). …”
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  3. 1183
  4. 1184

    Biomass and Yield in Solanum lycopersicum Expressing a Synthetic Photorespiration Pathway by Laura Dougherty, Bret Cooper, James Bunce, Bryan Vinyard, John Stommel

    Published 2025-01-01
    “…Metabolic profiles obtained from high-performance liquid chromatography mass spectrometry (HPLC-MS) analysis revealed increases in forms of inactivated auxin. …”
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  5. 1185

    Determination of Per- and Polyfluoroalkyl Substances in Craft Villages and Industrial Environments of Vietnam by Thi Vi Phung, Thuy Ngoc Nguyen, Lan-Anh Phan Thi, Hung Viet Pham, Hong Anh Duong

    Published 2021-01-01
    “…Eight PFASs in wastewater from craft villages and industrial environments of Vietnam were analyzed using liquid chromatography triple quadrupole mass spectrometry (LC-MS/MS) with negative electrospray ionization interface. …”
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  6. 1186

    Plasma Metabolite Profiles of Healthy Volunteers after Administration of a Thai Herbal Formula for Dizziness by Ranida Boonrak, Kajee Pilakasiri, Suksalin Boonranasubkajorn, Natchagorn Lumlerdkij, Pravit Akarasereenont

    Published 2024-12-01
    “…Phytochemical and metabolite profiling were performed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and LC/MS Q-ToF, respectively, on plasma samples from 90 healthy participants aged 20 to 60 years. …”
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  7. 1187

    HDL proteome and apolipoproteins concentrations in severe ICU COVID-19 patients by Floran Begue, Bryan Veeren, Philippe Rondeau, Aline-Marie Florence, Simon Jamard, Philippe Montravers, Sébastien Tanaka, Olivier Meilhac, on behalf of French COVID Study Group

    Published 2025-01-01
    “…Among them, 18 survived the disease, while 19 succumbed to it. We used mass spectrometry to assess plasma levels of 14 apolipoproteins and LCAT. …”
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  8. 1188

    Fatal toxoplasmic encephalitis triggered by anti-TNF therapy by Rodrigo A. Montoro, Michael Moran, Katherine A. Overmyer, Andrew Periaccante, Joshua J. Coon, Swapnil Lanjewar, Laura J. Knoll, Rob Striker

    Published 2025-02-01
    “…Second, some strains of T. gondii are more virulent than others. Post-mortem mass spectrometry and proteomic analysis of her cerebrospinal fluid show several T. gondii peptides. …”
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  9. 1189

    Screening of soybean antifungal isoflavones based on targeted metabolomics analysis by Nishbah Mughal, Xiaowen Zhang, Noman Shoaib, Juncai Deng, Jinya Guo, Jing Zhang, Wenyu Yang, Jiang Liu

    Published 2025-01-01
    “…Isoflavone profiles in seeds and pods were analyzed using high-performance liquid chromatography-mass spectrometry (HPLC-MS), and metabolomics analysis via orthogonal signal correction partial least squares discriminant analysis (OSC-PLS-DA) identified differences between mildew-affected and unaffected samples. …”
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  10. 1190

    Microstructural modifications in bitumens rejuvenated by oil from pyrolysis of waste tires by Michela Alfe, Valentina Gargiulo, Giovanna Ruoppolo, Francesco Cammarota, Pietro Calandra, Cesare Oliviero Rossi, Valeria Loise, Michele Porto, Roberto Di Capua, Paolino Caputo

    Published 2025-01-01
    “…The pyrolysis oil from WTs was produced and characterized using elemental analysis, gas chromatography coupled with mass spectrometry (GCMS), and thermogravimetry. Bitumen was aged by the rolling thin-film oven test procedure and blended with the WT pyrolysis oil at three different concentrations (1%, 3%, and 6% w/w) to evaluate the rheological behaviors. …”
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  11. 1191

    Characterization of a Complex Mixture of Immunomodulator Peptides Obtained from Autologous Urine by Alberto Fragoso, Mérida Pedraza-Jiménez, Laura Espinoza-González, María Luisa Ceja-Mendoza, Hugo Sánchez-Mercado, Gloria Robles-Pérez, Julio Granados, Emilio Medina-Rivero

    Published 2020-01-01
    “…., allergic rhinitis, rheumatoid arthritis, and chronic rhinopharyngitis), using size exclusion chromatography (SEC) and mass spectrometry (MS). The peptides contained in the immunomodulators were stable after six months, stored in a refrigerator. …”
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  12. 1192
  13. 1193

    Trimethylamine N-Oxide (TMAO) Plasma Levels in Patients with Different Stages of Chronic Kidney Disease by Marcia Ribeiro, Julie Ann Kemp, Ludmila Cardozo, Drielly Vargas, Marcelo Ribeiro-Alves, Peter Stenvinkel, Denise Mafra

    Published 2024-12-01
    “…TMAO plasma levels were assessed by liquid chromatography coupled to triple mass spectrometry quadrupole. Results: In total, 15 ND patients [stages 3–5, glomerular filtration rate 41.4 mL/min/1.73 m<sup>2</sup>, 64 (IQR = 12.5) years, BMI 25.2 kg/m<sup>2</sup>, eight women]; 14 PD patients [57.5 (IQR = 8.5) years, BMI of 27.8 kg/m<sup>2</sup>, nine women]; and 34 HD patients [43.5 (IQR = 45.5) years, BMI of 24.4 kg/m<sup>2</sup>, nineteen women] were analyzed. …”
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  14. 1194

    Comprehensive genomic and transcriptomic analyses of the anaerobic degradation of microcystin in Alcaligenes faecalis D04 by Fei Yang, Lili Yang, Jia Wei, Tian Ma, Mengna Zhou, Liwen Liao, Junhao Xie, Pengji Zhou

    Published 2025-01-01
    “…Two new anaerobic degradation products, one pentapeptide (Adda-Glu-Mdha-Ala-Leu) and one tripeptide (Adda-Glu-Mdha), were identified by chromatography and mass spectrometry, and two new anaerobic degradation pathways for microcystins were proposed. …”
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  15. 1195

    Characteristics and Source-specific Health Risks of Ambient PM2.5-bound PAHs in an Urban City of Northern Taiwan by Yu-Chieh Ting, Chun-Hung Ku, Yu-Xuan Zou, Kai-Hsien Chi, Jhy-Charm Soo, Chin-Yu Hsu, Yu-Cheng Chen

    Published 2023-08-01
    “…Fifteen PAHs in PM2.5 were analyzed via gas chromatography tandem mass spectrometry (GC/MS-MS). We utilized a positive matrix factorization (PMF) model, diagnostic ratios, and potential source contribution function (PSCF) to identify the origins of PM2.5-bound PAHs. …”
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  16. 1196

    GENI as an AMPK Activator Binds α and γ Subunits and Improves the Memory Dysfunction of Alzheimer’s Disease Mouse Models via Autophagy and Neuroprotection by Ying Wang, Lanjie Li, Danni Chen, Jiaheng Shan, Meijuan Yi, Hiroyuki Osada, Minoru Yoshida, Lan Xiang, Jianhua Qi

    Published 2025-01-01
    “…Furthermore, the Western blot, small interfering RNA (siRNA), drug affinity responsive target stability (DARTS), cellular thermal shift assay (CESTA), liquid chromatography-tandem mass spectrometry (LC/MS-MS), adenosine 5′-monophosphate-activated protein kinase (AMPK) mutants and surface plasmon resonance (SPR) analysis were utilized to clarify the mechanism of action and identify target protein of this molecule. …”
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  17. 1197

    Tear metabolomics reveals novel potential biomarkers in epithelial herpes simplex keratitis by Jinyu Zhang, Zhenning Wu, Yangqi Zhang, Kaili Wu, Xiaoyi Li, Shiyou Zhou

    Published 2025-01-01
    “…Tear metabolomic profiling was performed using high-performance liquid chromatography tandem mass spectrometry (LC–MS/MS). Metabolites were quantified and matched against entries in the human metabolome database (HMDB) and small molecule pathway database (SMPDB) to identify metabolites and metabolic pathways, respectively. …”
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  18. 1198

    Detection Methods for Asparagine and Glutamine Contents in Fruits and Vegetables and Recommendations for Dietary Intake of Fruits and Vegetables in Patients with Urea Cycle Disorde... by YE Xinyu, LI Ziying, TANG Shujun, SUN Liping, ZHAO Yunxia, XIAO Weimin, GU Yaping, KUANG Huiying, CHEN Xin, YANG Guowu, HUANG Yali

    Published 2025-02-01
    “…This study established a novel method for measuring the contents of asparagine (Asn) and glutamine (Gln) in fruits and vegetables based on enzymatic hydrolysis combine with ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). After enzymatic hydrolysis with Pronase E, samples were treated with butylated hydroxyanisole as an antioxidant. …”
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  19. 1199

    Characterization of serum metabolome and respiratory microbiota in children with influenza A virus infection by Xinyi Shi, Shenghao Hua, Zeyuan Chen, Weiyi Cao, Mengqing Xiao, Wenlong Pei, Zhe Cao, Zhan Zhang, Haibing Yang, Haibing Yang, Xuejun Shao, Yu Xia, Yu Xia

    Published 2025-01-01
    “…Ultra performance liquid chromatography quadrupole time of flight mass spectrometry (UPLC-QTOF/MS) and 16S rRNA gene sequencing were employed to analysis the respiratory microbiome and serum metabolic characteristics of 85 patients with IAV infection and age-matched 55 controls with respiratory disease who tested negative for 13 types of respiratory pathogens. …”
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  20. 1200

    The Relationship Between LRP-5 and LRP-6 Gene Mutations and Postmenopausal Type 2 Diabetes and Obesity by Jun Li, Ya Li, Yunqiu Lu, Siyuan Li, Yecheng Zhu, Chuanbing Sun, Partab Rai, Xuehai Jia

    Published 2025-01-01
    “…Baseline data and biochemical indices were collected, Bone mineral density (BMD) was measured using dual-energy X-ray absorptiometry, and SNPs at the LRP5 and LRP6 loci were assessed by time-of-flight mass spectrometry. Results: 1. There was a statistical difference in the distribution of genotypes (CC/CT) at locus rs4988331 (χ2 = 67.940, P  = .000) and in the distribution of alleles (C/T) between the T2DM and non-T2DM groups (χ2 = 50.506, P  = .000). …”
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