A sterol panel for rare lipid disorders: sitosterolemia, cerebrotendinous xanthomatosis and Smith-Lemli-Opitz syndrome by Alexander Bauer Westbye, Lili L. Dizdarevic, Sandra R. Dahl, Emil Andreas Asprusten, Yngve Thomas Bliksrud, Anita Lövgren Sandblom, Ulf Diczfalusy, Per M. Thorsby, Kjetil Retterstøl

“…A simple and rapid method to extract free sterols from human serum and quantitate their concentration using isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) without derivatization was developed. …”
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Gas-phase fractionation DDA promotes in-depth DIA phosphoproteome analysis by Zhiwei Tu, Yabin Li, Shuhui Ji, Shanshan Wang, Rui Zhou, Gertjan Kramer, Yu Cui, Fei Xie

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Targeted protein degradation through site-specific antibody conjugation with mannose 6-phosphate glycan by Kaori Mukai, Robert Cost, Xin Sheen Zhang, Emily Condiff, Joanne Cotton, Xiaohua Liu, Ekaterina Boudanova, Björn Niebel, Peter Piepenhagen, Xinming Cai, Anna Park, Qun Zhou

“…The conjugate is mainly homogeneous by analysis using mass spectrometry, typically with one or two glycans coupled. …”
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Deciphering the pseudouridine nucleobase modification in human diseases: From molecular mechanisms to clinical perspectives by Shiheng Jia, Xue Yu, Na Deng, Chen Zheng, Mingguang Ju, Fanglin Wang, Yixiao Zhang, Ziming Gao, Yanshu Li, Heng Zhou, Kai Li

“…Highlights Methods to detect pseudouridine were introduced from classic mass spectrometry‐based methods to newer approaches such as nanopore‐based technologies and BID sequencing, each with its advantages and limitations. …”
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Prevalence of Vitamin K2 Deficiency and Its Association with Coronary Artery Disease: A Case–Control Study by Sameh A. Ahmed, Abdulaziz A. Yar, Anas M. Ghaith, Rayan N. Alahmadi, Faisal A. Almaleki, Hassan S. Alahmadi, Waleed H. Almaramhy, Ahmed M. Alsaedi, Man K. Alraddadi, Hussein M. Ismail

“…Methods: This case–control study enrolled CAD patients and healthy controls to assess and compare serum concentrations of two vitamin K2 analogs including menaquinone-4 (MK-4) and menaquinone-7 (MK-7) via ultra-performance liquid chromatography with tandem mass spectrometry (UPLC-MS/MS). CAD risk factors were evaluated and related to serum levels of vitamin K2 analogs. …”
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Ion suppression correction and normalization for non-targeted metabolomics by Iqbal Mahmud, Bo Wei, Lucas Veillon, Lin Tan, Sara Martinez, Bao Tran, Alexander Raskind, Felice de Jong, Yiwei Liu, Jibin Ding, Yun Xiong, Wai-kin Chan, Rehan Akbani, John N. Weinstein, Chris Beecher, Philip L. Lorenzi

“…Abstract Ion suppression is a major problem in mass spectrometry (MS)-based metabolomics; it can dramatically decrease measurement accuracy, precision, and sensitivity. …”
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Removal of Matrix Interferences by Nano-MgO and Co-Adsorbents for Accurate Multi-Pesticide Residue Analysis in the Chinese Medicinal Herb, Paeoniae Radix Alba by Chunyu Wang, Xinquan Wang, Jiao Wang, Shanshan Di, Zhiwei Wang, Hao Xu, Huiyu Zhao, Changshan Zhao, Peipei Qi

“…Various PRA samples were extracted using 8 mL 0.5% acetic acid-acetonitrile solution and purified by a dispersive solid-phase extraction method with 30 mg nano-MgO, 40 mg primary secondary amine (PSA), and 40 mg octadecylsilane (C18) as the cleanup adsorbents, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). 70.7% of pesticides showed a weak matrix effect after the purification process, indicating that this method can give the precise quantitative analysis of trace pesticides residue. …”
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Development of a Recombinant Omicron BA.1 Subunit Vaccine Candidate in Pichia pastoris by Sibel Kalyoncu, Dogu Sayili, Ayca Zeybek Kuyucu, Hakan Soyturk, Seyda Gullu, Busra Ersayan, Ibrahim Oguzhan Tarman, Mehmet Ender Avci, Olcay Mert, Umut Haskok, Ege Tekin, Huseyin Akinturk, Ridvan Orkut, Aysegul Demirtas, Idil Tilmensagir, Ceren Ulker, Bilgi Gungor, Mehmet Inan

“…After in vitro characterisation of purified RBD‐Omicron via chromatography, mass spectrometry, calorimetry and surface plasmon resonance‐based methods, it was injected into mice for immunization studies. …”
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Mechanism of Mongolian Medicine Batri-7 on Salmonella Enteritis by Yang D, Chen S, Borijihan H, Aoqier A, Sarula S, Siqin S, Manda M, Temuqile T, Baigude H

“…This study explores BT-7’s antibacterial compounds and therapeutic mechanism in a Salmonella enteritis mouse model.Methods: The active components of BT-7 were detected by liquid chromatography-tandem mass spectrometry assay and identified by UPLC/Q-TOF-MS. …”
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Physical and Chemical Properties of Biodiesel Obtained from Amazon Sailfin Catfish (Pterygoplichthys pardalis) Biomass Oil by F. Anguebes-Franseschi, A. Bassam, M. Abatal, O. May Tzuc, C. Aguilar-Ucán, A. T. Wakida-Kusunoki, S. E. Diaz-Mendez, L. C. San Pedro

“…The physical and chemical properties of biofuel produced were evaluated under the specifications of the European standard EN-14214 by using gas chromatography-mass spectrometry, infrared spectroscopy, and atomic absorption spectrometry analyses. …”
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An exploratory analysis of differences in serum protein expression by sex in patients with systemic sclerosis associated interstitial lung disease by Giuliana Cerro-Chiang, Matthew Ayres, Alejandro Rivas, Sarah J. Parker, Mitra Mastali, Peter Chen, Jennifer E. Van Eyk, Paul J. Wolters, Francesco Boin, Tanzira Zaman

“…Methods Serum specimens of patients with SSc-ILD underwent dual mass spectrometry (LC-MS/MS) analysis. The association between protein biomarkers and sex was assessed through logistic regression. …”
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Phytochemical and Biological Investigations of Crude Extracts of <i>Astragalus pisidicus</i> by Esra Aydemir, Elif Odabaş Köse, Serap Özkaya Gül, Alaaddin Korkut, A. Cansu Kilit, Mehmet Engin Celep, Mustafa Yavuz, R. Süleyman Göktürk, Cengiz Sarikurkcu

“…<b>Methods</b>: The water and methanolic fractions of four parts (stems, flowers, leaves, root) as well as the whole plant were quantified and identified by Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC–ESI–MS/MS) analysis. Cell death was assessed using the WST-1 assay, while apoptosis was identified by colorimetric protease assay for caspase 2, -3, -6, -8, and -9, as well as cellular DNA fragmentation assay. …”
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Compositional changes of dissolved organic matter during high flow events in headwater catchments along a gradient of climate and land use by Jeanneau, Laurent, Fovet, Ophélie, Faucheux, Mikaël, Gruau, Gérard,  Liotaud, Marine, Pierret, Marie-Claire, Cotel, Solenn, Molénat, Jérôme,  Lagacherie, Manon, Dessert, Céline, Probst, Anne

“…The DOM composition was analyzed by thermochemolysis coupled with gas chromatography and mass spectrometry, making it possible to perform a joint analysis of several biomolecule families, monitor the proportion of compounds derived from plant inputs (%VEG) and study the lignin composition through the C/V ratio. …”
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UV-fs-LA-ICP-MS Analysis of CO2-Rich Fluid Inclusions in a Frozen State: Example from the Dahu Au-Mo Deposit, Xiaoqinling Region, Central China by Wei Jian, Moritz Albrecht, Bernd Lehmann, Jingwen Mao, Ingo Horn, Yanhe Li, Huishou Ye, Zongyan Li, Guanguan Fang, Yongsheng Xue

“…The recently developed technique of ultraviolet femtosecond laser ablation inductively coupled plasma mass spectrometry (UV-fs-LA-ICP-MS) combined with a freezing cell is expected to improve the analysis of CO2-rich fluid inclusions by decreasing their internal pressure and avoiding the common problem of uncontrolled explosive fluid release on ablation. …”
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Drosophila ubiquitin-specific peptidase 14 stabilizes the PERIOD protein by regulating a ubiquitin ligase SLIMB by So Who Kang, Jung-Eun Park, Soonhyuck Ok, Minhui Um, Hyeonjeong Son, Seunghee Byun, Nayoung Park, Su Jin Lee, Thị Xuân Thùy Trần, Gyeongmin Kim, Jeonghun Yeom, Kyunggon Kim, Eun Young Kim, Min-Ji Kang

“…Moreover, reducing slimb expression mitigates the effects of USP14 on PER protein stability. Mass spectrometry identifies two ubiquitination sites on PER (Lys1117 and Lys1118) critical for its degradation. …”
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Synergistic antimicrobial activity of essential oils mixture of Moringa oleifera, Cinnamomum verum and Nigella sativa against Staphylococcus aureus using L-optimal mixture design by Samah H. Abu-Hussien, Antony R. Nasry, Ziad Samy, Salwa M. El-Sayed, Ashraf Bakry, Naglaa Ebeed, Hesham Elhariry, Thanaa ElNoby

“…Gas chromatography mass spectrometry (GC/MS) identified abundant bioactive phytochemicals like cinnamaldehyde, linoleic acid, and palmitic acid methyl esters underlying the observed antimicrobial effects. …”
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Exposure to Silica, Arsenic, and Chromium (VI) in Cement Workers: A Probability Health Risk Assessment by Noor Haziqah Kamaludin, Juliana Jalaludin, Shamsul Bahri Mohd Tamrin, Abdah Md Akim, Tri Martiana, Noeroel Widajati

“…Inductively coupled plasma mass spectrometry (ICP-MS) was used for As, and Cr analysis, and X-ray powder diffraction (XRD) was used for Si analysis. …”
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Discovery of conserved peptide-MHC epitopes for directly alloreactive CD8+ T cells by Alexandra E. Hill, Eric T. Son, Moumita Paul-Heng, Chuanmin Wang, Shivanjali Ratnaseelan, Martina Denkova, Pouya Faridi, Asolina Braun, Anthony W. Purcell, Nicole A. Mifsud, Alexandra F. Sharland

“…Mass Spectrometry allied with in-vivo generation of activated alloreactive T cell populations and tetramer screening facilitates the identification of endogenous peptides that are directly recognised in complex with allogeneic Major Histocompatibility class I (MHC I) molecules by alloreactive CD8+ T cells. …”
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Simultaneous Determination of Multiple Acid-Suppressing Drugs by UPLC-MS/MS Method and Application for Pharmacokinetics Study by Li X, Liu S, Yu M, Xi W, Wu X, Liu D, Liu A, Wang H

“…Precisely quantifying their plasma levels is crucial for clinical pharmacokinetic assessments and therapeutic drug monitoring.Aim: This study aimed to establish a generic and efficient ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) assay for the determination of five PPIs (esomeprazole, rabeprazole, ilaprazole, lansoprazole, and pantoprazole) and the P-CAB (vonoprazan) in human plasma.Methods: The six analytes were extracted from human plasma via protein precipitation and a single dilution step. …”
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Microbial community succession characteristics in an anaerobic baffled reactor during phenol gradient acclimation by Yuan LI, Chunmei YU, Daqiang CANG

“…Phenol degradation intermediates were performed using gas chromatography/mass spectrometry (GC–MS), with their quantities measured by high-performance liquid chromatography. …”
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