Purification, Characterization and Antibacterial Mechanism of Plantaricin 2-1 by Mengyang LI, Xiaoxue CHE, Qingshen SUN

“…To explore the basic properties and antibacterial mechanism of bacteriocin produced by Lactobacillus plantarum L3, the strain was sub-cultured in MRS medium, and the broth was extracted by ethyl acetate extraction, followed by purification serially through dextran gel chromatography, cation exchange chromatography and reverse phase high performance liquid chromatography (RP-HPLC), and finally identified by liquid chromatography tandem mass spectrometry (LC-MS/MS). Listeria monocytogenes and Escherichia coli were used as indicator strain and the antibacterial mechanism of the plantaricin was determined by crystal violet staining, scanning electron microscopy, infrared spectroscopy, fluorescence spectroscopy, extracellular alkaline phosphatase (AKP), ATP, and lactate dehydrogenase (LDH) content analysis. …”
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Extraction of Saponins from Xanthoceras sorbifolium Bunge Leaves Using Deep Eutectic Solvents and Their Inhibitory Activity against Postharvest Pathogenic Fungi by Xue LI, Xinyu CHU, Erzheng SU, Jiahong WANG

“…The extracts were characterized using ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The mechanism of XLs saponins extraction by DES was investigated by scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD). …”
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BTEX Exposure Assessment and Inhalation Health Risks to Traffic Policemen in the Klang Valley Region, Malaysia by Noor Fatihah Mohamad Fandi, Juliana Jalaludin, Mohd Talib Latif, Haris Hafizal Abd Hamid, Mohd Fairus Awang

“…Air samples were collected with low-flow personal samplers during the officers’ work shifts outdoors, and the BTEX content was then analyzed via gas chromatography-mass spectrometry (GC-MS) coupled with thermal desorption (TD). …”
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The transport of polyphenols from Camellia fascicularis in Caco-2 cells based on UPLC-ESI-MS/MS by Shengjiang Duan, Hao Zheng, Junrong Tang, Huan Kan, Changwei Cao, Zhijiao Shi, Yun Liu

“…Herein, digestion samples (DS) of C. fascicularis polyphenols (CFPs) were metabolically analyzed based on their bidirectional translocation in Caco-2 cells using ultraperformance liquid chromatography-electrospray ionization-tandem mass spectrometry. The results indicated that after DS transported via Caco-2 cell monolayer models nine polyphenol compounds in transit solution (TSB) from apical (AP) to basolateral (BL) side were upregulated, whereas seven in the transit solution (TSA) from BL to AP side were upregulated. …”
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The concentration of selected organophosphorus pesticides associated with PM10 in agricultural ambient air in Iran: Health risk assessment using Monte Carlo simulation by Asma Tabanasl, Amin Mohammadpour, Aboozar Soltani, Mohammad Hoseini, Mohammadali Baghapour

“…Active sampling was conducted using a SKC pump with a selective air inlet, and the samples were analyzed via liquid chromatography-mass spectrometry. The results indicated that Diazinon exhibited the highest average concentration among PM10-bound organophosphate pesticides, measuring 4.23 ng/m³ in suburban areas and 2.51 ng/m³ in urban environments. …”
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Elevated fasting serum xylitol levels are associated with a lower risk of incident type 2 diabetes among individuals with prediabetes in the Chinese population by Yicheng Qi, Xiaoyong Li, Yu Liu, Meng Wang, Yiming Wu, Qing Su, Li Qin, Jing Ma

“…The baseline levels of serum polyols in the fasting state were quantified using time-of-flight mass spectrometry. Multivariate conditional logistic regression was performed to assess the effects of the differential polyol levels on the risk of incident diabetes from prediabetes. …”
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Aroma profiling of long shelf-life yoghurt from milk with varying acidity: Insights from sensory evaluation and instrumental analysis by Jia Wang, Dongjie Zhang, Jie Li, Tingting Zou, Rong Wen, Yaqiong Hou, Huanlu Song, Hongliang Li, Hairan Ma, Jiao Shi

“…In this study, the aroma components of long shelf-life yoghurt produced from milk with varying acidity levels were identified using the Stir Bar Sorptive Extraction (SBSE) coupled with comprehensive two-dimensional gas chromatography−olfactometry−mass spectrometry technology (GC × GC-O-MS) for the first time. …”
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Soil organic matter composition affects ecosystem multifunctionality by mediating the composition of microbial communities in long-term restored meadows by Wenyin Wang, Sisi Bi, Fei Li, A. Allan Degen, Shanshan Li, Mei Huang, Binyu Luo, Tao Zhang, Shuai Qi, Tianyun Qi, Yanfu Bai, Peipei Liu, Zhanhuan Shang

“…We leveraged high-throughput sequencing, liquid chromatography and mass spectrometry to characterize soil microbial communities and soil organic matter composition, measured microbial carbon metabolism and determined EMF. …”
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Metabolite profile and antioxidant activities of Trikatu, black pepper, Javanese long pepper, and red ginger essential oils by Dewa Ayu Ika Pramitha, Tati Herlina, Iman Permana Maksum, Ari Hardianto, Abd. Wahid Rizaldi Akili, Jalifah Latip

“…Phytochemical profiling was carried out by gas chromatography-mass spectrometry (GC–MS). Principal Component Analysis (PCA) was performed with the help of R packages of factoMiner and factoExtra to examine the metabolite distributions. …”
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Multiple low-dose radiation ameliorates type-2 diabetes mellitus via gut microbiota modulation to activate TLR4/MyD88/NF-κB pathway by Lijing Qin, Rongrong Liu, Zhen Jia, Weiqiang Xu, Li Wang, Hongyuan Tian, Xinru Lian, Wen Li, Yali Qi, Huan He, Zhicheng Wang

“…Metabolic profiling was carried out using the liquid mass spectrometry system, followed by the combinative analysis of gut microbiota alteration. …”
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Effects of trimester-specific urinary aluminum concentrations on ultrasound measures of fetal growth and size at birth: A longitudinal cohort study in Chinese women by Haiying Chen, Wenjing Yan, Xueyan Wu, Yuanyuan Li

“…The concentrations of Al were quantified in urine samples obtained from pregnant women during the 1st, 2nd and 3rd trimesters by inductively coupled plasma mass spectrometry. The study used linear regressions with generalized estimating equation to determine the connections between specific gravity-adjusted urinary Al concentrations in each trimester and fetal growth parameters and birth size indicators. …”
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Development of a method for simultaneous analysis of glycosaminoglycan disaccharides and evaluating the quality of chondroitin sulfate and hyaluronic acid in food raw materials by Kengo Hirai, Takamasa Ishii, Ayaka Aijima, Nae Yokota, Yasuhisa Miyamoto, Kyohei Higashi, Yusuke Iwasaki, Rie Ito, Nobuaki Higashi, Hiroshi Akiyama

“…We developed a comprehensive liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the simultaneous analysis of 19 glycosaminoglycan disaccharide components. …”
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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

“…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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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

“…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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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

“…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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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

“…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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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

“…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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Elucidating the metabolic mechanisms and active constituents of ZuoGui Wan in combatting postmenopausal osteoporosis: A metabolomics and network pharmacology approach by Yanchen Feng, KaiKai Shi, Dingming Li, Shunzhi Yang, Xue Dang, Jinyao Li, Yan Chen, Jianping Yao, Yunke Zhang, Lu Sun, Feixiang Liu

“…The blood-entry components of ZGW were identified using ultra-high performance liquid chromatography-high resolution mass spectrometry. The metabolic mechanisms of ZGW against PMOP were elucidated through metabolomics. …”
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Evaluation of Airborne Particulate Matter and Volatile Organic Compounds Released by Three Types of Mosquito Repellents by Soyeon Lee, Jongmin Park, Myoungho Lee, Minjung Kim, Boowook Kim, Kiyoung Lee, Kyungduk Zoh, Chungsik Yoon

“…PM was measured with a scanning mobility particle sizer (SMPS) and optical particle spectrometer (OPS) in an exposure chamber; VOCs were collected with Tenax TA and analyzed by gas chromatography-mass spectrometry. SMPS measurements in the range of 10–420 nm showed that the coil-types had the highest concentration (13,048 particles cm‒3), followed by the mat-types (119 particles cm‒3), and liquid-types (42 particles cm‒3). …”
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Distribution and Antifungal Susceptibility Profile of Oropharyngeal Candida Species Isolated from People Living with HIV in the Era of Universal Test and Treat Policy in Uganda. by Musinguzi, Benson, Turyamuhika, Laban, Mwesigwa, Alex, Nalumaga, Pauline Petra, Kabajulizi, Immaculate, Njovu, Israel Kiiza, Mwebesa, Edson, Luggya, Tonny, Ocheng, Francis, Kateete, David Patrick, Itabangi, Herbert, Mboowa, Gerald, Obondo, James Sande, Achan, Beatrice

“…Oropharyngeal swabs were collected and cultured on Sabouraud Dextrose agar to isolate Candida species identified using the matrix-assisted laser desorption ionization-time of flight mass spectrometry. Additionally, the antifungal susceptibility profile of Candida isolates to six antifungal drugs was determined using the VITEK® (Marcy-l’Étoile, France) compact system. …”
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