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

“…To analyze the constituents of RoEO, a comprehensive gas chromatography/mass spectrometry (GC/MS) method was employed. …”
Get full text

Determination of Puberulic Acid in Monascus-Fermented Red Yeast Rice by LC-MS/MS Combined with Precolumn Derivatization by Hui-Qin Pan, Rui Feng, Yan-Nan Tan, Xiao-Ya Qin, Yi-Min Cao, Xiu-Hong Mao, Qing Hu, Heng Zhou

“…Comparatively, the proposed LC-MS/MS method achieved a superior detection sensitivity, over 100-fold higher than that of the liquid chromatography method. A good linear relationship within the concentration range of 5 ng/mL to 200 ng/mL (with a linear correlation coefficient of 0.99952) was demonstrated by the method validation. …”
Get full text

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

“…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. …”
Get full text

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

“…Plasma MTX and 7‐OHMTX concentrations were determined using a high‐performance liquid chromatography tandem mass spectrometry (HPLC–MS/MS) method. …”
Get full text

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

“…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. …”
Get full text

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

“…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. …”
Get full text

A new peptide inhibitor of C1QBP exhibits potent anti‐tumour activity against triple negative breast cancer by impairing mitochondrial function and suppressing homologous recombina... by Xingxing Li, Yue Wu, Min Zhang, Fengliang Wang, Hong Yin, Yanrong Zhang, Shuli Zhao, Jiehua Ma, Mingming Lv, Cheng Lu

“…Through size‐exclusion chromatography (SEC) and isothermal titration calorimetry (ITC) assays, we have validated that PDBAG1 is capable of binding C1QBP with a Kd value of 334 nM. …”
Get full text

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

“…Urinary concentrations of seven widely used NEOs were quantified using ultra-high performance liquid chromatography multiple reaction monitoring mass spectrometry (UHPLC-MRM-MS/MS). …”
Get full text

Comparison of sialic acid content in bovine and buffalo milk and meat by Michela Contò, Simona Rinaldi, Sebastiana Failla

“…The concentration of the two types of  SIAs was determined by the reverse phase (RP) high-performance liquid chromatography (HPLC) procedure of SIAs released from glycoconjugates through acidic hydrolysis and derivatized with 1,2-diamino-4,5methylen- edioxy-benzene (DMB). …”
Get full text

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

“…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. …”
Get full text

Changes in Phenylacetylglutamine Levels Provide Add-On Value in Risk Stratification of Hypertensive Patients: A Longitudinal Cohort Study by Xuan Xu, Lixin Jia, Bokang Qiao, Yanyan Gong, Shan Gao, Yuan Wang, Jie Du

“…Methods: We measured plasma PAGln levels using liquid chromatography tandem mass spectrometry in 1543 high-risk hypertensive patients, dividing them into a discovery cohort (n = 792) and a validation cohort (n = 751). …”
Get full text

Investigation of 23 Bile Acids in Liver Bile in Benign and Malignant Biliary Stenosis: A Pilot Study by Stanislav Rejchrt, Milos Hroch, Rudolf Repak, Tomas Fejfar, Tomas Douda, Darina Kohoutova, Eva Peterova, Jan Bures

“…Twenty-three different bile acids were investigated by high-performance liquid chromatography/mass spectrometry. Serum total bilirubin was significantly higher in patients with malignant biliary stenosis compared with nonstenotic controls (p=0.005). …”
Get full text

Comprehensive analysis of metabolomics and transcriptomics reveals varied tepal pigmentation across Gloriosa varieties by Yue Sun, Pinli Hu, Yanan Jiang, Zhenzhen Wang, Jiaxing Chang, Yiwei Zhou, Haojing Shao

“…In this study, we employed sophisticated colorimetry, Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS), and transcriptome sequencing to investigate the phenotypic expression of tepal colors, the composition of carotenoids and anthocyanins, and the differential gene expression in four Gloriosa varieties during their full bloom phase. …”
Get full text

Identification and Analysis of Components in Yizhi Granule and Cynomolgus Monkey Plasma after Oral Administration by UPLC/ESI-Q-TOF MS and Their Protective Effects on PC12 Cells by Erwei Hao, Jianfeng Qin, Wei Wei, Jianhua Miao, Yan Xie, Xianglong Pan, Hangxuan Wu, Jinling Xie, Xiaosu Fan, Zhengcai Du, Xiaotao Hou, Jiagang Deng

“…Here, we describe the first fast and sensitive ultraperformance liquid chromatography/electrospray ionization quadrupole time-of-flight mass spectrometry (UPLC/ESI-Q-TOF MS) method for analyzing YZG in plasma. …”
Get full text

Isolation, purification, structural characteristic and antioxidative property of polysaccharides from A. cepa L. var. agrogatum Don by Hongcheng Liu, Hongxiu Fan, Jing Zhang, Shanshan Zhang, Wenting Zhao, Tingting Liu, Dawei Wang

“…The monosaccharide composition, structural and antioxidative properties of ALAP-21 were investigated by GC–MS chromatography, FT-IR and NMR spectroscopies and three antioxidative activity tests in vitro. …”
Get full text

Efficacy of Moringa oleifera Seed Husk as Adsorptive Agent for Trihalomethanes from a Water Treatment Plant in Southwestern, Nigeria by Aderonke Adetutu Okoya, Olasunkanmi Olalekan Olaiya, Abimbola Bankole Akinyele, Nnenneh Oruada Ochor

“…The physicochemical properties of both the treated and raw surface water were determined using standard methods, and the concentration of THMs was determined from the water treatment plant at different stages of treatment using gas chromatography with flame ionization detector (GC-FID). …”
Get full text

Chemical composition and insecticidal potential of botanical fractionation extracts for the management of Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae) in stored... by Fikadu Kifle, Melaku Girma, Araya Gebresilassie, Yitbarek Woldehawariat, Estifanos Ele

“…The composition of bioactive extracts was analyzed using a gas chromatography-mass spectrometry (GC-MS) apparatus. GC-MS results of the major components of the E. globulus extract were aromandendrene (24.83 %), globulol (10.33 %), heneicosane (15.56 %), hexadecanoic acid, and methyl ester (7.50 %). …”
Get full text

Mycochemistry, antioxidant, anticancer activity, and molecular docking of compounds of F12 of ethyl acetate extract of Astraeus asiaticus with BcL2 and Caspase 3 by Swapan Kumar Ghosh, Koushik Pandey, Madhuparna Ghosh, Pradip Kumar Sur

“…The GC/MS profile of AAEA (Astraeus asiaticus ethyl acetate) extract exhibited 61 compounds. The column chromatography of AAEA extract was performed and the F12 fraction demonstrated the greatest radical scavenging activity with an EC50 of 25.65 ± 4.82 µg. mLˉ¹. …”
Get full text

Ethyl Acetate Extract of <i>Cichorium glandulosum</i> Activates the P21/Nrf2/HO-1 Pathway to Alleviate Oxidative Stress in a Mouse Model of Alcoholic Liver Disease by Shuwen Qi, Chunzi Zhang, Junlin Yan, Xiaoyan Ma, Yewei Zhong, Wenhui Hou, Juan Zhang, Tuxia Pang, Xiaoli Ma

“…Methods: Ultra-Performance Liquid Chromatography coupled with Quadrupole-Orbitrap Mass Spectrometry (UPLC-Q-Orbitrap-MS) was used to identify CGE components. …”
Get full text

Comparative Proteome Analysis of Epicardial and Subcutaneous Adipose Tissues from Patients with or without Coronary Artery Disease by Yu xing Zhao, Hui juan Zhu, Hui Pan, Xue mei Liu, Lin jie Wang, Hong bo Yang, Nai shi Li, Feng ying Gong, Wei Sun, Yong Zeng

“…Isobaric Tagging for Relative and Absolute Quantitation (iTRAQ) analysis combined with liquid chromatography tandem-mass spectrometry (LC-MS/MS) was performed to identify the differentially expressed proteins. …”
Get full text