NSTL国家科技图书文献中心

1. Analysis of Chemical Components of Penicillium chrysogenum Crude Extract Using Liquid Chromatography Coupled With Q-Exactive Orbitrap Mass Spectrometry Combined With GNPS Molecular Networking NSTL国家科技图书文献中心

Lu, Ya | Yang, Jiao ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(7) - n/a～n/a - 共8页

摘要：A Chinese isolate of the fungus Penicillium | chrysogenum was analyzed using liquid chromatography coupled | with Q-Exactive Orbitrap mass spectrometry combined | with Global Natural Products Social Networking (GNPS | ) on culture condition leading to the rapid

关键词： GNPS | molecular networking | Penicillium chrysogenum | Q-Exactive Orbitrap | Q‐Exactive Orbitrap

2. Isolation and Identification of Mercury-Dissolved Organic Matter Complexes in Mercury-Humic Acid Suspensions NSTL国家科技图书文献中心

Qasim, Ghulam Hussai... | Harris, Lisa ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(8) - n/a～n/a - 共8页

摘要：Rationale: The complexation with dissolved | organic matter (DOM) is a pivotal factor influencing | transformations, transport, and bioavailability of mercury (Hg | ) in aquatic environments. However, identifying these | complexes poses a significant challenge because of their

关键词： dissolved organic matter | Hg-DOM complexes | high-resolution mass spectrometry | mercury | solid-phase extraction | Hg‐DOM complexes | high‐resolution mass spectrometry | solid‐phase extraction

3. Forced Degradation Study of an Anti-Diabetic Drug Imeglimin: Impurity Profiling and Structure Elucidation Using LC-Q-ToF-MS/MS and NMR NSTL国家科技图书文献中心

Gogikar, Shiva Kumar | Sen, Sibu ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(5) - n/a～n/a - 共11页

摘要：RationaleThe present study aims to establish | structures of the degradation products of an anti-diabetic | drug, Imeglimin (IMG) approved for the treatment of | type 2 diabetes mellitus in the year 2021 | . Degradation pathways are proposed along with in silico

关键词： forced degradation | Imeglimin | LC-Q-ToF-MS/MS | metformin | toxicity | LC‐Q‐ToF‐MS/MS

4. Large-Volume Injection and Assessment of Reference Standards for n -Alkane δD and δ 13 C Analysis via Gas Chromatography Isotope Ratio Mass Spectrometry NSTL国家科技图书文献中心

Zander, Paul D. | Rubach, Florian ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(3) - n/a～n/a - 共11页

摘要：RationaleCompound-specific stable isotope | analysis of hydrogen (delta D) and carbon (delta 13C) in | organic compounds is a valuable tool in biogeochemical | research. A key limitation of this method is the | relatively large amount of sample required to achieve

关键词： carbon isotopes | GC-IRMS | hydrogen isotopes | lipid biomarkers | n -alkanes | GC‐IRMS | n‐alkanes

5. Development of a Matrix-Assisted Laser Desorption Ionization High Resolution Mass Spectrometry Method for the Quantification of Camalexin and Scopoletin in Arabidopsis thaliana NSTL国家科技图书文献中心

Parasecolo, Leonardo | Monsalvo, Ivan M.... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(6) - n/a～n/a - 共8页

摘要：RationaleUnderstanding plant defense | mechanisms against pathogens is essential for enhancing | agricultural productivity and crop protection. This study | focuses on the quantification of camalexin and | scopoletin, two critical phytoalexins in Arabidopsis

关键词： Mass spectrometry | Method development | Phytoalexin | plant biology

6. Combining the 15 N Gas Flux Method and N 2 O Isotopocule Data for the Determination of Soil Microbial N 2 O Sources NSTL国家科技图书文献中心

Micucci, Gianni | Lewicka-Szczebak, Do...... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(6) - n/a～n/a - 共10页 - 被引量：1

摘要：Rationale: The analysis of natural abundance | isotopes in biogenic N2O molecules provides valuable | insights into the nature of their precursors and their | role in biogeochemical cycles. However, current | methodologies (for example, the isotopocule map approach) face

关键词： Bayesian statistics | denitrification | isotopic model | N2O reduction | nitrous oxide

7. Rapid Identification of Chemical Constituents in New Compound Aloe Capsule Based on UPLC‐Q‐Orbitrap‐MS NSTL国家科技图书文献中心

Siyue Chen | Yajie Dou ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(3) - n/a～n/a - 共16页

摘要：ABSTRACT Rationale The chemical composition of | the new compound aloe capsule (NCAC) has not been | fully elucidated to date, which poses challenges for | pharmacology, scientific, and rational drug use. In this | study, a rapid and sensitive method was established to

关键词： aloe | fragmentation pathway | new compound aloe capsule | Qingdai | UPLC‐Q‐Orbitrap‐MS

8. Effects of Long-Term Storage on the Isotopic Compositions of Different Types of Environmental Waters NSTL国家科技图书文献中心

Diersing, Carlynn | Li, Yue ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(8) - n/a～n/a - 共10页

摘要：Rationale Fog, dew, and rain are crucial for | sustaining ecosystem functions, especially in water-limited | regions. However, they are subject to isotopic changes | during storage due to their usual small sample volumes | and inherent sensitivity to atmospheric particulates

关键词： environmental waters | fill level | isotopic changes | stable isotope | storage time

9. Determination of 115 Pesticide Residues in Textiles by Liquid Chromatography-Tandem Mass Spectrometry NSTL国家科技图书文献中心

Li, Ying | Ye, Xiwen ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(9) - n/a～n/a - 共19页

摘要：The presence of pesticide residues in textiles | poses a risk to human health. We established a robust | and high-throughput liquid chromatography-tandem | mass spectrometry method for the determination of 115 | pesticide residues in textiles. In this study, we

关键词： liquid chromatography | pesticide residues | tandem mass spectrometry | textiles

10. Part B: SLICE-MSI-A Machine Learning Interface for System Suitability Testing of Mass Spectrometry Imaging Platforms NSTL国家科技图书文献中心

Kibbe, Russell R. | Mills, Quinn ... - 《Rapid Communications in Mass Spectrometry》 - 2025,39(8) - n/a～n/a - 共6页

摘要：RationaleThe field of mass spectrometry | imaging is currently devoid of standardized protocols or | commercially available products designed for system | suitability testing of MSI platforms. Machine learning is an | approach that can quickly and effectively identify

摘要：A Chinese isolate of the fungus Penicillium | chrysogenum was analyzed using liquid chromatography coupled | with Q-Exactive Orbitrap mass spectrometry combined | with Global Natural Products Social Networking (GNPS | ) on culture condition leading to the rapid

关键词： GNPS | molecular networking | Penicillium chrysogenum | Q-Exactive Orbitrap | Q‐Exactive Orbitrap

摘要：Rationale: The complexation with dissolved | organic matter (DOM) is a pivotal factor influencing | transformations, transport, and bioavailability of mercury (Hg | ) in aquatic environments. However, identifying these | complexes poses a significant challenge because of their

关键词： dissolved organic matter | Hg-DOM complexes | high-resolution mass spectrometry | mercury | solid-phase extraction | Hg‐DOM complexes | high‐resolution mass spectrometry | solid‐phase extraction

摘要：RationaleThe present study aims to establish | structures of the degradation products of an anti-diabetic | drug, Imeglimin (IMG) approved for the treatment of | type 2 diabetes mellitus in the year 2021 | . Degradation pathways are proposed along with in silico

关键词： forced degradation | Imeglimin | LC-Q-ToF-MS/MS | metformin | toxicity | LC‐Q‐ToF‐MS/MS

摘要：RationaleCompound-specific stable isotope | analysis of hydrogen (delta D) and carbon (delta 13C) in | organic compounds is a valuable tool in biogeochemical | research. A key limitation of this method is the | relatively large amount of sample required to achieve

关键词： carbon isotopes | GC-IRMS | hydrogen isotopes | lipid biomarkers | n -alkanes | GC‐IRMS | n‐alkanes

摘要：RationaleUnderstanding plant defense | mechanisms against pathogens is essential for enhancing | agricultural productivity and crop protection. This study | focuses on the quantification of camalexin and | scopoletin, two critical phytoalexins in Arabidopsis

关键词： Mass spectrometry | Method development | Phytoalexin | plant biology

摘要：Rationale: The analysis of natural abundance | isotopes in biogenic N2O molecules provides valuable | insights into the nature of their precursors and their | role in biogeochemical cycles. However, current | methodologies (for example, the isotopocule map approach) face

关键词： Bayesian statistics | denitrification | isotopic model | N2O reduction | nitrous oxide

摘要：ABSTRACT Rationale The chemical composition of | the new compound aloe capsule (NCAC) has not been | fully elucidated to date, which poses challenges for | pharmacology, scientific, and rational drug use. In this | study, a rapid and sensitive method was established to

关键词： aloe | fragmentation pathway | new compound aloe capsule | Qingdai | UPLC‐Q‐Orbitrap‐MS

摘要：Rationale Fog, dew, and rain are crucial for | sustaining ecosystem functions, especially in water-limited | regions. However, they are subject to isotopic changes | during storage due to their usual small sample volumes | and inherent sensitivity to atmospheric particulates

关键词： environmental waters | fill level | isotopic changes | stable isotope | storage time

摘要：The presence of pesticide residues in textiles | poses a risk to human health. We established a robust | and high-throughput liquid chromatography-tandem | mass spectrometry method for the determination of 115 | pesticide residues in textiles. In this study, we

关键词： liquid chromatography | pesticide residues | tandem mass spectrometry | textiles

摘要：RationaleThe field of mass spectrometry | imaging is currently devoid of standardized protocols or | commercially available products designed for system | suitability testing of MSI platforms. Machine learning is an | approach that can quickly and effectively identify

关键词： graphical user interface | machine learning | mass spectrometry imaging | quality control | system suitability testing

4008-161-200 800-990-8900

国家科技图书文献中心