On the Use of Potential Denaturing Agents for Ethanol in Direct Ethanol Fuel Cells by Domnik Bayer, Florina Jung, Birgit Kintzel, Martin Joos, Carsten Cremers, Dierk Martin, Jörg Bernard, Jens Tübke

“…Beside, basic electrochemical tests, differential electrochemical mass spectrometry (DEMS) and fuel cell tests were conducted. …”
Get full text

Diagnostic and predictive values of serum metabolic profiles in sudden sensorineural hearing loss patients by Xiangsheng Wang, Yan Gao, Ruirui Jiang

“…Serum metabolites were detected by liquid chromatography-mass spectrometry, and metabolic profiles were analyzed. …”
Get full text

Quality analysis of Idesia polycarpa fruit oil samples from cultivars with different phenotypes by Tianting Luo, Jiaqi Xu, Zhouqin Zhen, Xue Pan, Lang Feng, Likang Qin, Tingyuan Ren

“…A total of 532 aroma compounds were identified via gas chromatography–mass spectrometry (GC–MS), with terpenes as the major contributors. …”
Get full text

Simultaneous Determination of Five Chromones of Radix Saposhnikoviae Extract in Rat Plasma by UPLC-MS/MS: Application to a Comparative Pharmacokinetic Study in Normal and Febrile R... by Li Meng, Hui Gao, Bin Chen, Peng-peng Liu, Guo-shun Shan, Fan Zhang, Tian-zhu Jia

“…A rapid and sensitive quantitative analytical method was established for the simultaneous determination of five chromones (prim-O-glucosylcimifugin, cimifugin, 4′-O-β-D-glucosyl-5-O-methylvisamminol, 5-O-methylvisammiol, and sec-o-glucosylhamaudol) in the plasma of RS-treated rats for the first time using ultra performance liquid chromatography- (UPLC-) tandem mass spectrometry. The Waters Acquity UPLC BEH C18 (50 mm × 2.1 mm, 1.7 μm) was used as the chromatographic column, 0.1% formic acid water and 0.1% formic acid acetonitrile comprised the mobile phases, and all samples were determined under positive ion mode. …”
Get full text

Antioxidant Activity In Vitro Guided Screening and Identification of Flavonoids Antioxidants in the Extract from Tetrastigma hemsleyanum Diels et Gilg by Li Ding, Xiaomin Zhang, Jiajia Zhang

“…The molecular weight of the above antioxidant components was investigated using the qualitative analytical method of high-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (HPLC-Q-TOF LC/MS). Based on the concentrations of the samples (0.2–4 mg/mL), the DPPH free radical scavenging ability, ABTS+ free radical scavenging ability, hydroxyl free radical scavenging ability, and Fe3+ reducing ability of the ethyl acetate extract (EAE) were stronger than that of the crude extract (CE), petroleum ether extract (PEE), and n-butanol extract (BE). …”
Get full text

3-Methyl-4-Nitrobenzoate Derivates as Antifungal Drug Candidates: Biological and In Silico Evaluation by Alana R. Ferreira, Yunierkis P. Castillo, Ana C. M. Andrade, Diego F. Nóbrega, João Paulo G. de Oliveira, Tamires C. Lima, Ricardo D. de Castro, Damião P. de Sousa

“…The chemical structure of the obtained products was confirmed using Infrared, 1H and APT-13C nuclear magnetic resonance spectroscopy and high-resolution mass spectrometry. The antifungal assay results showed that the screened compounds exhibited different levels of activity depending on the structural variation and tested strain. …”
Get full text

Cu(II) and Ni(II) Complexes with New Tridentate NNS Thiosemicarbazones: Synthesis, Characterisation, DNA Interaction, and Antibacterial Activity by Dorian Polo-Cerón

“…The ligands and their metal complexes were characterised by different physicochemical techniques, including elemental and thermogravimetric analysis; UV-Vis, IR, 1H-NMR, and 13C-NMR spectroscopy; molar conductance measurements; and mass spectrometry. The crystal structure of the H2L1 ligand was determined by single crystal X-ray diffraction studies. …”
Get full text

Chemical Composition, Total Phenolic Content, and Antioxidant Activities of the Essential Oils of the Leaves and Fruit Pulp of Annona muricata L. (Soursop) from Ghana by Joseph Nana Gyesi, Rita Opoku, Lawrence Sheringham Borquaye

“…Essential oils were obtained via hydrodistillation and characterized by gas chromatography-mass spectrometry. Antioxidant potential was evaluated via the phosphomolybdenum, hydrogen peroxide scavenging, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging assays. …”
Get full text

Screening of Trace Elements in Hair of the Female Population with Different Types of Cancers in Wielkopolska Region of Poland by Bogusław Czerny, Krzysztof Krupka, Marcin Ożarowski, Agnieszka Seremak-Mrozikiewicz

“…Mineral element analysis of hair was performed using an atomic emission spectrophotometer with inductively coupled plasma (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS). Results. Statistically significantly lower concentrations of selenium, zinc, copper, germanium and boron, iron, and magnesium were observed in the three groups of cancer patients. …”
Get full text

Centrosymmetric Binuclear Boron Compounds Derived from Dithiooxamides: Synthesis, Characterization, and Their Photophysical Properties by Marisol Ibarra-Rodríguez, Blanca M. Muñoz-Flores, Jesús Lara Cerón, Rosa Santillán, María E. Ochoa, Noemí Waksman, Víctor M. Jiménez-Pérez

“…The compounds were characterized by NMR (1H and 13C), UV-vis, fluorescence spectroscopy, and high resolution mass spectrometry. The crystal structure of the mononuclear boron compound was determined by single-crystal X-ray diffraction analysis. …”
Get full text

B-doped nano-hydroxyapatite facilitates proliferation and differentiation of osteoblasts by Qiao Kang, Wenhao Wang, Shengtao Wu, Ganggang Hu

“…Methods B-nHAp characterization was accomplished by means of X-ray diffraction, scanning electron microscopy, inductively coupled plasma mass spectrometry, and transmission electron microscopy. …”
Get full text

Protective effects of Euphorbia heterophylla against testicular degeneration in streptozotocin-induced diabetic rats in relation to phytochemical profile. by Ahmed M Nagy, Heba A Fahmy, Mohamed F Abdel-Hameed, Rehab F Taher, Alaa M Ali, Mohamed M Amin, Sherif M Afifi, Tuba Esatbeyoglu, Mohamed A Farag, Abdelsamed I Elshamy

“…High-resolution ultra-performance liquid chromatography-mass spectrometry (UHPLC-ESI-Orbitrap-MS) analysis was employed to analyze the compounds present in EH-EtOH. …”
Get full text

Anion-Directed Assembly of a Bimetallic Pd/Ag Nanocluster: Synthesis, Characterization, and HER Activity by Yu-Rong Ni, Rugma Thekke Pangal, Michael N. Pillay, Tzu-Hao Chiu, Samia Kahlal, Jean-Yves Saillard, C. W. Liu

“…The distinctive hydride environment was characterized by NMR spectroscopy, and the total structure was determined by single-crystal X-ray diffraction (SCXRD) and supported by computational studies. Mass spectrometry and X-ray photoelectron spectroscopy (XPS) further confirmed the assigned composition. …”
Get full text

High-Titre Neutralizing Antibodies to H1N1 Influenza Virus after Mouse Immunization with Yeast Expressed H1 Antigen: A Promising Influenza Vaccine Candidate by Edyta Kopera, Konrad Zdanowski, Karolina Uranowska, Piotr Kosson, Violetta Sączyńska, Katarzyna Florys, Bogusław Szewczyk

“…Analysis of the N-linked glycans using mass spectrometry revealed that the H1 protein is glycosylated at the same sites as the native HA. …”
Get full text

Omics based technology application in poultry meat research by Huaijun Zhou, Austin Quach, Mahesh Nair, Behnam Abasht, Byungwhi Kong, Brian Bowker

“…This Poultry Science Association symposium paper includes 5 sections that cover: 1) functional annotation of cis-regulatory elements in the genome informs genetic control of complex traits in poultry, 2) mass spectrometry for proteomics, metabolomics, and lipidomics, 3) proteomic approaches to investigate meat quality, 4) spatial transcriptomics and metabolomics studies of wooden breast disease, and 5) multiomics analyses on chicken meat quality and spaghetti meat. …”
Get full text

Multifunctional Graphdiyne Enables Efficient Perovskite Solar Cells via Anti-Solvent Additive Engineering by Cong Shao, Jingyi He, Jiaxin Ma, Yirong Wang, Guosheng Niu, Pengfei Zhang, Kaiyi Yang, Yao Zhao, Fuyi Wang, Yongjun Li, Jizheng Wang

Get full text

Antibacterial and antioxidant potentials, detection of host origin compounds, and metabolic profiling of endophytic Bacillus spp. isolated from Rauvolfia serpentina (L.) Benth. ex... by Rusi Lata, Surendra Kumar Gond

“…Untargeted analysis via Ultra High-Performance Liquid Chromatography-High-Resolution Mass Spectrometry (UHPLC-HRMS/MS) was conducted for profiling main phytochemicals in the leaves and to explore potential bioactive compounds in bacterial extracts. …”
Get full text

A Highly Sensitive and Selective Colorimetric Hg2+ Ion Probe Using Gold Nanoparticles Functionalized with Polyethyleneimine by Kyung Min Kim, Yun-Sik Nam, Yeonhee Lee, Kang-Bong Lee

“…Time-of-flight secondary ion mass spectrometry showed that the Hg2+ ion was bound to the nitrogen atoms of the PEI in a bidentate manner (N–Hg2+–N), which resulted in a significant color change from light red to violet due to aggregation. …”
Get full text

Effect of Benzothiadiazole Treatment during Veraison on Amino Acid Composition, Degradation and Metabolism in ‘Chardonnay’ Grape by GUAN Ruwen, CHEN Chunxia, ZHANG Yu, HAN Yuqi, WANG Jianfeng, WANG Feifei, WANG Huijun, WANG Bo, JIANG Yumei

“…The contents of glucose, fructose, sucrose, organic acids and amino acids, as well as enzyme activities related to amino acid degradation and metabolism and the resulting aroma products were analyzed by high performance liquid chromatography (HPLC), an automatic amino acid analyzer and solid phase microextraction combined with gas chromatography-mass spectrometry (SPME-GC-MS). The results showed that glutamic acid, arginine and proline were the major amino acids in ‘Chardonnay’ grape. …”
Get full text

DISTRIBUTION OF TRACE ELEMENTS IN GROWTH ZONES AND SECTORS OF SPODUMENE CRYSTALS (PASHKI DEPOSIT, NURISTAN, AFGHANISTAN) by M.A. Ivanov, N. Hamdard, S.G. Skublov, V.V. Smolensky

“…Regular distribution of several trace elements in spodumene crystals of the Pashki pegmatite Li deposits in Afghanistan (Nuristan province) is analyzed using secondary ion mass spectrometry (SIMS). Twenty seven local analyses of 19 elements were carried out in spodumene samples of different generations taken from pegmatites during field works of 2023. …”
Get full text