Showing 1,301 - 1,320 results of 1,443 for search '"Mass spectrometry"', query time: 0.12s Refine Results
  1. 1301

    Molecular characterization, chemical profile and biological properties of essential oils from Chamaemelum nobile (L.) flowers of Morocco: in vitro and in silico studies by El-Mehdi El-Assri, El-Mehdi El-Assri, Youssef El-Assri, Rajae El Brahimi, Mohamed El fadili, Asmae Baghouz, Hatem A. Abuelizz, Sara Er-Rahmani, Amal Lahkimi, Abdelhak Bouia

    Published 2025-02-01
    “…Its chemical composition was analyzed using gas chromatography-mass spectrometry (GC-MS). Antioxidant activity was evaluated using the DPPH assay, while antimicrobial properties were assessed via the disk diffusion method to measure inhibition zones against various bacterial and fungal strains. …”
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  2. 1302

    2-Heptanone Produces Sensorial-Emotional Changes, Depending on Length of Exposure / La 2-heptanona produce cambios sensorio-emocionales, dependiendo del tiempo de exposición by Ana Gloria Gutiérrez-García, Carlos M. Contreras, María Remedios Mendoza-López

    Published 2015-06-01
    “…Gas chromatography/mass spectrometry indicated that urinary 2-heptanone content was increased approximately two-fold during pre-menstruation compared with the days around ovulation. …”
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  3. 1303

    Quantification and identification of microfibers released from textiles during simulated accelerated washing by João Pinto da Costa, Ana Costa, Andréa Marinho, Alcina Pimenta, Ana Paula Fonte, Ana L. Patrício Silva, António José Fernandes, Florinda M. Costa, Damià Barceló, Lúcia H.M.L.M. Santos, Armando Duarte, Teresa Rocha-Santos

    Published 2025-03-01
    “…Furthermore, experimental results showed that special care and attention should be paid when resorting to automated software-based identification of microplastics in environmental matrices, as this may not be as accurate as previously considered, particularly for increasingly used techniques, such as pyrolysis-gas chromatography/mass spectrometry.…”
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  4. 1304

    Ferula communis leaf extract: antioxidant capacity, UHPLC–MS/MS analysis, and in vivo and in silico toxicity investigations by Imad Ed-Dahmani, Mohamed El Fadili, Ghizlane Nouioura, Fahd Kandsi, Yassine El Atki, Hatem A. Abuelizz, Raffaele Conte, Fatima Zahra Lafdil, Abdeslam Taleb, Abdelfattah Abdellaoui, Mustapha Taleb

    Published 2025-01-01
    “…The toxicity study revealed that the mice’s behavior, body weight, and organ weights (liver and kidneys) were unaffected by Ferula communis leaf extract administration compared to controls. UHPLC–tandem mass spectrometry (MS/MS) analysis of the extract highlights the presence of 11 compounds, the most abundant of which is p-hydroxybenzoic acid, representing 53.65%. …”
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  5. 1305

    Hybrid peptides inspired by the RWQWRWQWR sequence inhibit cervical cancer cells growth in vitro by Natalia Ardila-Chantré, Claudia Marcela Parra-Giraldo, Yerly Vargas-Casanova, Andrea Carolina Barragán-Cardenas, Ricardo Fierro-Medina, Zuly Jenny Rivera-Monroy, Jhon Erick Rivera-Monroy, Javier Eduardo García-Castañeda

    Published 2024-09-01
    “…Methods: Hybrid peptides and precursors were synthesized by solid-phase peptide synthesis using the Fmoc/tBu strategy, purified via reverse phase (RP)-solid phase extraction, and characterized by RP-high performance liquid chromatography (RP-HPLC) chromatography and mass spectrometry. In vitro cytotoxicity of hybrid peptides in human cervical cancer cells lines HeLa and Ca Ski was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. …”
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  6. 1306
  7. 1307

    GAMG alleviates liver fibrosis through inducing ferroptosis in inflammatory macrophages via the IRF1/SLC7A11 signaling pathway by Qing Pang, Shuai Zhou, Yong Wang, Hongtao Pan, Zhixin Wang, Xilaing Qin, Chao Zhu, Shilei Chen, Huichun Liu, Xiaosi Hu, Hao Jin

    Published 2025-03-01
    “…IRF1 was significantly increased while ferroptosis related SLC7A11 was significantly down-regulated in GAMG treated inflammatory macrophages. Mass spectrometry metabolomics analysis showed that GAMG significantly affected metabolites associated with LF. …”
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  8. 1308

    UBE2T/CDC42/CD276 signaling axis mediates brain metastasis of triple-negative breast cancer via lysosomal autophagy by Lin Li, Rong Fu, Yan Chen, Jin Yao, Xiaobing Jiang, Tao Liang, Jun jun Li, Qian zhi Chen, Liang Liang Shi, Ming Xing Xie, Xin Wei Qiao, Qi Hong Cheng, Min Jie Wang

    Published 2025-02-01
    “…Additionally, multiple experimental approaches were implemented, encompassing western blotting, Co-IP, GST pull-down, flow cytometry, mass spectrometry, immunofluorescence, immunohistochemistry, and qRT-PCR to reveal the molecular mechanism of UBE2T-mediated immune escape and BrM.Results Our results indicate that expressed at elevated levels in breast cancer, UBE2T is negatively linked to patient prognosis, especially in BrM of TNBC. …”
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  9. 1309

    Temporal changes in plasma and milk lipids in response to an esophageal bolus of rumen-protected fish oil in lactating Holstein dairy cows by J.E. Rico, V. Sáinz de la Maza-Escolà, N.D. Senevirathne, P. Deme, N.J. Haughey, R. Gervais, J.W. McFadden

    Published 2025-02-01
    “…Extracted plasma was analyzed for individual FA and phospholipid concentrations using gas chromatography and mass spectrometry. Separated milk fat was analyzed for individual milk FA using gas–liquid chromatography and a flame-ionization detector. …”
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  10. 1310

    Seasonal Variations in Chemical Composition and Antibacterial and Antioxidant Activities of <i>Rosmarinus officinalis</i> L. Essential Oil from Southwestern Romania by Ludovic Everard Bejenaru, Adina-Elena Segneanu, Cornelia Bejenaru, Andrei Biţă, Felicia Tuţulescu, Antonia Radu, Maria Viorica Ciocîlteu, George Dan Mogoşanu

    Published 2025-01-01
    “…To analyze the constituents of RoEO, a comprehensive gas chromatography/mass spectrometry (GC/MS) method was employed. The analysis aimed to identify and quantify the various components by comparing their mass spectra with reference spectra from the National Institute of Standards and Technology (NIST) Library 2020. …”
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  11. 1311

    AGD1/USP10/METTL13 complexes enhance cancer stem cells proliferation and diminish the therapeutic effect of docetaxel via CD44 m6A modification in castration resistant prostate can... by Hong Wang, Chunli Cui, Weiyi Li, Hui Wu, Jianjun Sha, Jiahua Pan, Wei Xue

    Published 2025-01-01
    “…To uncover the underlying mechanisms of AGD1, RNA pull-down assay, RIP, co-Immunoprecipitation (co-IP), mass spectrometry (MS), Methylated RNA immunoprecipitation (MeRIP) and single-base elongation and ligation-based qPCR amplification method (SELECT) were performed. …”
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  12. 1312

    Isolation and characterization of novel peptides from fermented products of Lactobacillus for ulcerative colitis prevention and treatment by Dong He, Wen Zeng, Yi Wang, Yifan Xing, Kang Xiong, Nan Su, Chong Zhang, Yuan Lu, Xinhui Xing

    Published 2022-11-01
    “…Herein, 4 novel peptides are identified from AC-WGAF by membrane ultrafiltration, recycling preparative high-performance liquid chromatography, and matrix-assisted laser desorption–ionization time-of-flight/time-of-flight mass spectrometry, possessing anti-colitis activity via using an in vitro model. …”
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  13. 1313

    Metal complexes in cells: from design of catalytic antioxidants to imaging metal ions and designing metal-based probes in X-ray fluorescence and IR-imaging, a multidisciplinary col... by Policar, Clotilde, Delsuc, Nicolas, Bertrand, Hélène Charlotte

    Published 2024-03-01
    “…Methods to quantify the SOD-like activity, out of cellular context and in cells, and analysis of the integrity of the metal-based antioxidant in cells (through ion mobility coupled with mass spectrometry) will be described. Strategies to develop peptide-based metal complexes through conjugation of a LMW complex with peptides aimed at targeting specific organelle will be presented. …”
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  14. 1314

    Impact of Methotrexate and 7‐Hydroxymethotrexate Exposure on Renal Toxicity in Pediatric Non‐Hodgkin Lymphoma by Hao Bing, Yi Ma, Jiamin Xu, Qixian Ling, Yanlong Duan, Libo Zhao

    Published 2025-01-01
    “…Plasma MTX and 7‐OHMTX concentrations were determined using a high‐performance liquid chromatography tandem mass spectrometry (HPLC–MS/MS) method. A nonlinear mixed effect model approach was used to build a joint population pharmacokinetic (PopPK) model. …”
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  15. 1315

    Salvia deserti Decne., an endemic and rare subshrub from Arabian desert: antidiabetic and antihyperlipidemic effects of leaf hydroethanolic extracts by Arbi Guetat, Slimen Selmi, Abdelrhman T. Abdelwahab, Marwa A. Abdelfattah, Abd Ealrhman M. Elhaj, Roaa T. Mogharbel, M. J. A. Abualreish, Abdullah F. Alanazi, Karim Hosni, Naceur Mejri, Abdennacer Boulila

    Published 2025-02-01
    “…The identity of phenolic compounds of the hydroethanolic extract of S. deserti was conducted through HPLC-Electrospray Ionization-Mass Spectrometry (LC-ESI-MS) analyses.ResultsOral administration of hydroethanolic extract of S. deserti at 200 and 400 mg/kg for 14 days significantly decreased blood glucose and restored the hepatic and renal function by reducing the levels of ALT, AST, ALP, GGT, LDH, urea and creatinine. …”
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  16. 1316

    Insulin Resistance Associated with Plasma Xanthine Oxidoreductase Activity Independent of Visceral Adiposity and Adiponectin Level: MedCity21 Health Examination Registry by Masafumi Kurajoh, Shinya Fukumoto, Takayo Murase, Takashi Nakamura, Takuma Ishihara, Hirofumi Go, Kouji Yamamoto, Shinya Nakatani, Akihiro Tsuda, Tomoaki Morioka, Katsuhito Mori, Yasuo Imanishi, Masaaki Inaba, Masanori Emoto

    Published 2019-01-01
    “…We investigated the associations of visceral fat area (VFA), serum adiponectin level, and insulin resistance with plasma XOR activity using our novel highly sensitive assay based on [13C2,15N2] xanthine and liquid chromatography/triple quadrupole mass spectrometry. Methods. This cross-sectional study included 193 subjects (92 males and 101 females) registered in the MedCity21 health examination registry. …”
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  17. 1317

    A multicenter, randomized, open label, two formulation, crossover bioequivalence trial of doxorubicin hydrochloride liposomal injection in Chinese patients with metastatic breast c... by Jingshu Wang, Xiuping Lai, Herui Yao, Hui Yang, Xiaolong Cao, Xiaochen Wang, Ying Wang, Weiqi Nian, Xiaodong Zheng, Qingxiu Mai, Anding Liu, Xiaozhi Lv, Xiaoying Bi, Junyi Chen, Junyan Wu, Suiwen Ye

    Published 2025-01-01
    “…Pharmacokinetic (PK) evaluation was conducted through the collection of blood samples, and the liquid chromatography tandem mass spectrometry (LC/MS/MS) method was leveraged to quantify plasma concentrations of both liposome-encapsulated doxorubicin and non-encapsulated doxorubicin in patients. …”
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  18. 1318

    Maternal neonicotinoid pesticide exposure impairs glucose metabolism by deteriorating brown fat thermogenesis by Wenwen Zhu, Jiali Fang, Chenbo Ji, Hong Zhong, Tianying Zhong, Xianwei Cui

    Published 2025-01-01
    “…Urinary concentrations of seven widely used NEOs were quantified using ultra-high performance liquid chromatography multiple reaction monitoring mass spectrometry (UHPLC-MRM-MS/MS). Correlation analysis revealed the associations between NEOs concentrations and glucose homeostasis parameters. …”
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  19. 1319
  20. 1320

    Gut Dysbiosis and Abnormal Bile Acid Metabolism in Colitis-Associated Cancer by Li Liu, Min Yang, Wenxiao Dong, Tianyu Liu, Xueli Song, Yu Gu, Sinan Wang, Yi Liu, Zaripa Abla, Xiaoming Qiao, Wentian Liu, Kui Jiang, Bangmao Wang, Jie Zhang, Hailong Cao

    Published 2021-01-01
    “…Fecal microbiome and bile acids were detected via 16S rRNA sequencing and liquid chromatography-mass spectrometry. Results. The AOM/DSS group exhibited severe mucosal barrier impairment, inflammatory response, and tumor formation. …”
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    Article