Showing 381 - 400 results of 1,443 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 381

    Identifying the Geographical Origin of Tobacco Leaf by Strontium and Lead Isotopic with Mineral Elemental Fingerprint by Liu Hong, Wenyuan Wang, Yang Su, Guiping Zhang, Yong Su, Chenming Zhang, Jianhua Chen, Wei Zhe, Zhihua Liu, Jianyong Cui, Deshou Mao, Jin Wang

    Published 2022-01-01
    “…And nine mineral element contents and four strontium and lead isotope ratios of the tobacco leaves were determined by thermal ionization mass spectrometry (TIMS) and inductively coupled plasma mass spectrometry (ICP-MS). …”
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  2. 382

    Clostridium tetani bacteraemia in the plague area in France: Two cases by M.A. Boualam, A. Bouri, M. Signoli, M. Drancourt, A. Caputo, E. Terrer, G. Aboudharam

    Published 2025-01-01
    “…Colonies were identified by mass spectrometry and whole genome sequencing, and C. tetani-specific PCR was performed using DNA extracted from dental pulps, calculus and sediments. …”
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  3. 383

    Protease shaving of Mycobacterium tuberculosis facilitates vaccine antigen discovery and delivery of novel cargoes to the Mtb surface by Bianca A. Lepe, Christine R. Zheng, Owen K. Leddy, Benjamin L. Allsup, Sydney L. Solomon, Bryan D. Bryson

    Published 2025-02-01
    “…Here, we sought to expand our understanding of the Mtb surface proteome in service of these knowledge gaps by adapting protease shaving protocols for multiplexed quantitative mass spectrometry. Pairing quantitative mass spectrometry with the construction of validation strains, we revealed several novel Mtb proteins on the Mtb surface largely derived from the PE/PPE class of Mtb proteins, including PPE18, a component of a leading Mtb vaccine candidate. …”
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  4. 384

    Quantitative Analysis and Band Gap Determination for CIGS Absorber Layers Using Surface Techniques by Yun Jung Jang, Jihye Lee, Kang-Bong Lee, Donghwan Kim, Yeonhee Lee

    Published 2018-01-01
    “…Here, elemental depth distributions of CIGS thin films were investigated using magnetic sector secondary ion mass spectrometry (SIMS) and Auger electron spectroscopy (AES). …”
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  5. 385

    REVIEW ON PROTEIN FOOTPRINTING AS A TOOL IN STRUCTURAL BIOLOGY by Oluwatosin Ogundairo, Oluwatoyin Ayo-Farai, Chinedu Paschal Maduka, Chiamaka Chinaemelum Okongwu, Abdulraheem Olaide Babarinde, Olamide Sodamade

    Published 2023-12-01
    “…The study addresses recent advancements and technological innovations in protein footprinting methodologies, including advancements in mass spectrometry instrumentation and data analysis strategies. …”
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    Article
  6. 386

    Detection of early relapse in multiple myeloma patients by Tereza Růžičková, Monika Vlachová, Lukáš Pečinka, Monika Brychtová, Marek Večeřa, Lenka Radová, Simona Ševčíková, Marie Jarošová, Josef Havel, Luděk Pour, Sabina Ševčíková

    Published 2025-01-01
    “…Conclusion Mass spectrometry coupled with machine learning shows potential as a reliable, rapid, and cost-effective preliminary screening technique to supplement current diagnostics.…”
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    Article
  7. 387

    Recovery of Bioactive Constituents from Olive Leaf Pruning Waste of Five Different Cultivars: A Comparison of Green Extraction Techniques to Maximize Health Benefits by Hamid Mushtaq, Simona Piccolella, Jose A. Mendiola, Lidia Montero, Elena Ibáñez, Severina Pacifico

    Published 2025-01-01
    “…Chemical profiling by UHPLC-HR-MS/MS (ultra-high-performance liquid chromatography high-resolution tandem mass spectrometry) and GC-MS (gas chromatography mass spectrometry) showed that UAM-EtOH effectively extracted polyphenols (especially luteolin derivatives) and triterpenes (notably maslinic acid), while PLE yielded the highest amount of secoiridoids (e.g., secologanoside). …”
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  8. 388

    Bicyclic peptide-enhanced covalent inhibitor of SARS-CoV-2 3CL protease by Qian Wang, Yanhui Wang, Jian Li, Hong Liu, Shiyu Chen

    Published 2024-10-01
    “…Enzymatic assays and mass spectrometry characterization were performed to validate the covalent inhibition of the target protease. …”
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    Article
  9. 389

    Pharmacokinetics and Bioavailability Study of Tubeimoside I in ICR Mice by UPLC-MS/MS by Lianguo Chen, Qinghua Weng, Feifei Li, Jinlai Liu, Xueliang Zhang, Yunfang Zhou

    Published 2018-01-01
    “…The TBMS-I and ardisiacrispin A (internal standard (IS)) were quantitatively detected by a tandem mass spectrometry equipped with an electrospray ionization (ESI) in a positive mode by multiple reaction monitoring (MRM). …”
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  10. 390

    A Study of the Brönsted Site Acidity of Crystalline and Amorphous Aluminosilicates: 1. Desorption of Ammonia, Dehydration of 2-Propanol and Cracking of Cumene by V.V. Brei, V.A. Kaspersky, K.N. Khomenko, A.A. Chuiko

    Published 1996-12-01
    “…The acidity of the H-form aluminosilicates, which include ZSM-5, mordenite, Y-faujasite, Al-containing aerosils and silica gels, and the layering of aluminosilicate compounds on an aerosil surface was measured by temperature-programmed mass spectrometry desorption (TPD) of NH 3 . It was found that the desorption energies of NH 3 decrease in the order: H-M > H-ZSM-5 > Al-aerosils> H-Y > CVD Al-silicates> Al-silica gels. …”
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  11. 391

    Canvas support impregnation materials and techniques: a study of Portuguese painting and its conservation issues by Andréa Carolina Teixeira

    Published 2016-03-01
    “…This paper focuses on the study of oil based coating impregnations, applied in the past, on the reverse of Portuguese painting canvas supports.The scientific study of the impregnation materials found in the painting “The Knight of the Order of Malta” (18th century) was carried out on samples using several analytical techniques – Optical Microscopy (OM) under visible reflected and polarised light and ultraviolet fluorescence (UV); Gas chromatography mass spectrometry (GC-MS), Fourier transform Infrared spectroscopy (transmission and FTIR-ATR), and Scanning electron microscopy coupled with an energy dispersive X-ray spectroscopy (SEM-EDX) – in order to identify the materials and the techniques used in this practice.…”
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  12. 392

    Automating the amino acid identification in elliptical dichroism spectrometer with Machine Learning. by Ridhanya Sree Balamurugan, Yusuf Asad, Tommy Gao, Dharmakeerthi Nawarathna, Umamaheswara Rao Tida, Dali Sun

    Published 2025-01-01
    “…However, traditional methods such as mass spectrometry require extensive sample preparation and are time-consuming, complex and costly. …”
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  13. 393

    Chemical Composition of the Essential Oil of Cyperus Conglomeratus Rottb. from Iran by A. Feizbakhsh, A. Naeemy

    Published 2011-01-01
    “…The compositions of the essential oil from cyperus conglomerates were obtained by hydrodistillation and analyzed by GC/MS (Gas chromatography/mass spectrometry). Twenty seven compounds were identified. …”
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  14. 394

    Thermal Decomposition Kinetics of Labile Chromium Complex with Benzoic Acid by M. K. Mishra, N. M. Misra

    Published 2011-01-01
    “…Its spectral characterization was done by using Elemental analysis (C and H), Inductively coupled plasma optical emission spectroscopy (ICP - OES), Ultraviolet - visible (UV-Vis) spectroscopy, Fourier transform infrared (FTIR) spectroscopy and Fast Atomic Bombardment (FAB) Mass spectrometry. Whereas thermal decomposition was investigated by differential scanning calorimetric (DSC). …”
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  15. 395

    Characterization of flavor fingerprinting of red sufu during fermentation and the comparison of volatiles of typical products by Peng Wang, Xiaoran Ma, Wenping Wang, Dandan Xu, Xin Zhang, Jian Zhang, Yong Sun

    Published 2019-12-01
    “…In this study, the volatile aroma analysis of Wangzhihe red sufu (WRS) from different fermentation stages and four typical red sufu products from different locations was carried out by gas chromatography-mass spectrometry (GC–MS), gas chromatography-mass spectrometry/olfactory (GC–MS/O), electronic nose (E-nose) and sensory evaluation. …”
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  16. 396

    Multielement Principal Component Analysis and Origin Traceability of Rice Based on ICP-MS/MS by Yan Wang, Xiaoxuan Yuan, Linan Liu, Junmei Ma, Sufang Fan, Yan Zhang, Qiang Li

    Published 2021-01-01
    “…In this experiment, inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) was used to determine the content of 30 elements in rice from six places of production and to explore the relationship between the multielement content in rice and the producing area. …”
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  17. 397
  18. 398

    Assessment of Microbiological Indoor Air Quality in Cattle Breeding Farms by Justyna Szulc, Małgorzata Okrasa, Katarzyna Dybka-Stępień, Michael Sulyok, Adriana Nowak, Anna Otlewska, Bogumiła Szponar, Katarzyna Majchrzycka

    Published 2020-04-01
    “…Abstract This study, which was conducted on a farm in central Poland from February till April 2019, aimed to evaluate microbiological threats on cattle breeding premises by counting and identifying the microorganisms (via culturing and high-throughput sequencing), assessing the endotoxin concentrations (via gas chromatography-mass spectrometry [GC-MS]) and analysing the secondary metabolites (including mycotoxins) in the air and sedimented dust (via liquid chromatography-tandem mass spectrometry [LC-MS/MS]) in six barns. …”
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  19. 399
  20. 400

    Chemical Identification and Antioxidant Screening of Bufei Yishen Formula using an Offline DPPH Ultrahigh-Performance Liquid Chromatography Q-Extractive Orbitrap MS/MS by Jinyan Wu, Bangrong Cai, Ang Zhang, Peng Zhao, Yan Du, Xuefang Liu, Di Zhao, Liu Yang, Xinguang Liu, Jiansheng Li

    Published 2022-01-01
    “…We developed an efficient ultrahigh-performance liquid chromatography Q-Extractive Orbitrap mass spectrometry method to identify the composition of BYF and determine its antioxidant profile through an offline screening strategy based on 1,1-diphenyl-2-trinitrophenylhydrazine (DPPH)-liquid chromatography-mass spectrometry. …”
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