Comparative studies on physicochemical properties, volatile flavor substances and microbial community of Mianning ham at different altitudes by Qianhui Zeng, Lili Ji, Wei Wang, Jiamin Zhang, Ting Bai, Ling Gan, Lin Chen

“…BackgroundThis study explores the impact of varying altitudes on the quality characteristics of Mianning ham.MethodsBy utilizing Solid-Phase Microextraction—Gas Chromatography–Mass Spectrometry (SPME-GC-MS) technology and high-throughput sequencing techniques, the physicochemical properties, volatile flavor compounds, and shifts in microbial communities of Mianning ham at different altitudes were investigated.ResultsHam’s water content, aw, pH, malondialdehyde content,and nitrite content at high altitudes were higher, while the salt content of ham at low altitudes was higher. 112 volatile compounds were identified in ham fermented for 0, 1, and 2 years at low altitude and high altitude, and the volatile compounds in ham at high altitude were more abundant than those in ham at low altitude. …”
Get full text

Urine amino acid and gamma aminobutyric acid level in COVID 19 patients by Cemal Kazezoglu, Arzu İrvem, Yasemin Tuba Sutasir, Büşra Çakiroglu, Banu Kirgiz, Habip Yilmaz, Ali Kocatas

“…The amino acid profile of these patients' urine samples, 30 different amino acid levels and creatine levels were examined using the liquid chromatography-mass spectrometry (LCMS) method on the SCIEX QTRAP 4500 device. …”
Get full text

Facile Synthesis of Propranolol and Novel Derivatives by Vy Anh Tran, Nguyen Hai Tai Tran, Long Giang Bach, Trinh Duy Nguyen, Thi Thuong Nguyen, Tan Tai Nguyen, Thi Anh Nga Nguyen, The Ky Vo, Thu-Thao Thi Vo, Van Thuan Le

“…The isolation and purity of compounds were conducted using column chromatography and thin-layer chromatography. Mass spectrometry and 1H-NMR spectroscopy were applied to identify new compounds structure. …”
Get full text

Multiproxy analysis exploring patterns of diet and disease in dental calculus and skeletal remains from a 19th century Dutch population by Bartholdy, Bjørn Peare, Hasselstrøm, Jørgen B., Sørensen, Lambert K., Casna, Maia, Hoogland, Menno, Historisch Genootschap Beemster, Henry, Amanda G.

“…Dental calculus was analysed using ultra-high-performance liquid chromatography-tandem  mass spectrometry (UHPLC-ESI-MS/MS). We were able to detect nicotine, cotinine, caffeine, theophylline, and salicylic acid, suggesting the consumption of tea and coffee and smoking of tobacco on an individual scale, which is also confirmed by historic documentation and identification of pipe notches in the dentition. …”
Get full text

Pharmacokinetic Comparisons of Mangiferin and Mangiferin Monosodium Salt in Rat Plasma by UPLC-MS/MS by Hongbin Guo, Mengqiao Chen, Mengran Li, Mingye Hu, Baohua Chen, Chengyan Zhou

“…An appropriate high sensitivity and selectivity ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was applied to the comparison of plasma pharmacokinetics in MG and MG-Na using carbamazepine as internal standard (IS). …”
Get full text

Mechanisms and Consequences of Dopamine Depletion-Induced Attenuation of the Spinophilin/Neurofilament Medium Interaction by Andrew C. Hiday, Michael C. Edler, Asma B. Salek, Cameron W. Morris, Morrent Thang, Tyler J. Rentz, Kristie L. Rose, Lisa M. Jones, Anthony J. Baucum

Get full text

Formulation, Characterization, Antibacterial Activity, Antioxidant Activity, and Safety Evaluation of <i>Camphora longepaniculata</i> Essential Oil Nanoemulsions Through High-Press... by Yue Yan, Changhe Wei, Xin Liu, Xin Zhao, Shanmei Zhao, Shuai Tong, Guoyou Ren, Qin Wei

“…The volatile compounds of CLEO were identified by gas chromatography–mass spectrometry. CLNEs were prepared using EL-40 (5%, <i>w</i>/<i>w</i>) as the surfactant via the high-pressure homogenization method. …”
Get full text

Genomic Analysis of a New Estrogen-Degrading Bacterial Strain, Acinetobacter sp. DSSKY-A-001 by Qing Qiu, Ping Wang, Hui Kang, Yu Wang, Kejian Tian, Hongliang Huo

“…Three kinds of estrogen metabolism intermediates were detected by high-performance liquid chromatography and mass spectrometry, and the estrogen metabolic pathway and possible estrogen-degrading enzymes were predicted. …”
Get full text

Biomonitoring PhIP, a Potential Prostatic Carcinogen, in the Hair of Healthy Men of African and European Ancestry by Robert J. Turesky, Clarence Jones, Jingshu Guo, Kari Cammerrer, Laura A. Maertens, Emmanuel S. Antonarakis, Zhanni Lu, Logan G. Spector

“…We previously demonstrated that scalp hair is a reliable biospecimen for measuring PhIP intake using liquid chromatography-mass spectrometry. This study aimed to determine whether PhIP dietary intake is higher in AA men, potentially contributing to this health disparity. …”
Get full text

Antimicrobial and antiproliferative activity of biosynthesized manganese nanocomposite with amide derivative originated by endophytic Aspergillus terreus by Nashwa El-Gazzar, Reem Farouk, Nervana S. Diab, Gamal Rabie, Basel Sitohy

“…In addition, the most potent product was identified based on instrumental analysis through Nuclear magnetic resonance (NMR), Fourier-transform infrared (FTIR), and Gas chromatography-mass spectrometry (GC.MS). The purified product was combined with biosynthsesized manganese nanoparticles (MnNPs) for the production of nanocomposite (MnNCs). …”
Get full text

Detection and Whole-Genome Characteristics of <i>Bordetella trematum</i> Isolated from Captive Snakes by Magdalena Zając, Inga Bona, Magdalena Skarżyńska, Renata Kwit, Anna Lalak, Ewelina Skrzypiec, Emilia Mikos-Wojewoda, Paulina Pasim, Dominika Wojdat, Weronika Koza, Dariusz Wasyl

“…The identification was conducted using MALDI-TOF mass spectrometry and biochemical tests. AMR was assessed using the microbroth dilution method, while whole-genome sequencing was performed on the Illumina NextSeq platform. …”
Get full text

Characteristic and flavor profiles of specialty Arabica coffee derived from fermentation with protease, at different conditions by Wongyai Intugon, Suttisintong Khomson, Thumthanaruk Benjawan, Foophow Tita, Yasutomo Tamaki, Rungsardthong Vilai

“…In this study, the flavor profiles of Arabica coffee (Coffea arabica L.) beans treated with protease, at different enzyme loading, time, and pH, were investigated using gas chromatography tandem mass spectrometry (GC-MS/MS). The coffee beverages were evaluated for their sensory characteristics by Q-Grader (professional coffee taster). …”
Get full text

Mineral composition and ratios in aortic valves, serum, and epicardial fat among patients with aortic stenosis undergoing aortic valve replacement by Barbara Poniedziałek, Bartłomiej Perek, Aleksandra Proch, Anna Komosa, Przemysław Niedzielski, Piotr Buczkowski, Marek Jemielity, Piotr Rzymski

“…Elemental composition was determined using inductively coupled plasma mass spectrometry. Analyses revealed a distinct accumulation of Ca and P in aortic valve tissues, not correlated to and exceeding that in epicardial adipose tissue, suggesting localized mineralization. …”
Get full text

Sustainability by extraction of bioactive compounds from onion seeds by Mestour, Selma, Meniai, Abdeslam-Hassen, Melloul, Sarra, Louaer, Mehdi

“…Furthermore, gas chromatography-mass spectrometry (GC-MS) was used to identify qualitatively and quantitatively the chemical composition of the onion seed oils. …”
Get full text

Chronic Unexpected Mild Stress Destroys Synaptic Plasticity of Neurons through a Glutamate Transporter, GLT-1, of Astrocytes in the Ischemic Stroke Rat by Dafan Yu, Zhenxing Cheng, Abdoulaye Idriss Ali, Jiamin Wang, Kai Le, Enkhmurun Chibaatar, Yijing Guo

“…We exposed the ischemic stroke rats to ceftriaxone, during the CUMS intervention period to determine the effects of GLT-1 on glutamate circulation by immunofluorescence and mass spectrometry and its influences to synaptic plasticity by western blot and transmission electron microscopy. …”
Get full text

RETRACTED: LncRNA CCAT2 promotes the proliferation and metastasis of colorectal cancer through activation of the ERK and Wnt signaling pathways by regulating GNB2 expression by Jinhai Tian, Xu Cao, Zongying Jiang, Jia Wang, Wan Fan, Shaoting Zhang, Sien Zhao, Jianmin Sun

“…RNA‐pulldown and protein mass spectrometry were employed to identify the interaction between CCAT2 and GNB2 protein. …”
Get full text

Separation of Inorganic Forms of Tellurium Using On-Site SPE Followed by ICP-MS or ICP-OES—The Right Solution for Water Monitoring by Katarzyna Kińska, Barbara Żelazko, Olga Gajewska, Magdalena Borowska, Monika Sadowska, Beata Krasnodębska-Ostręga

“…The proposed SPE-ICP-MS (inductively coupled plasma mass spectrometry) method allows direct analysis of Te(VI) and Te(IV), with Te(IV) determined after elution from the column. …”
Get full text

Comparative proteomics reveals the response and adaptation mechanisms of white Hypsizygus marmoreus against the biological stress caused by Penicillium by Xiuqing Yang, Sizhu Li, Xiaohang Li, Chenxiao Zhang, Meijie Liu, Lizhong Guo, Lin Liu, Hao Yu

“…A series of changes occurred in H. marmoreus proteome after contamination when detected by the label-free tandem mass spectrometry (MS/MS) technique. Some protein s with up-regulated expression worked together to participate in some processes, such as the non-toxic transformation of harmful gases, glutathione metabolism, histone modification, nucleotide excision repair, clearing misfolded proteins, and synthesizing glutamine, which were mainly used in response to biological stress. …”
Get full text

Absolute quantification of Neuron-specific enolase based on surface plasmon resonance by Cui Lin, Yijie Wang, Tao Peng, Pengpeng Liu, Yuanyuan Liang, Wencheng Kang, Xiaoping Yu, Yang Song, Xuping Shentu

Get full text

Differences in Aroma Quality of Different Types of Jinmudan Tea Made from Tea Leaves Harvested in Summer and Autumn by TANG Mengting, LIAO Xiansheng, WU Xianshou, WEI Mingxiu, ZHENG Yucheng, JIN Shan, ZHANG Jianming, YE Naixing

“…Headspace-solid phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS) was used to determine and analyze the volatile metabolites in the 10 tea samples. …”
Get full text