Results 121 to 130 of about 678,239 (344)

Compound-specific carbon isotope analysis of volatile organic compounds in complex soil extracts using purge and trap concentration coupled to heart-cutting two-dimensional gas chromatography–isotope ratio mass spectrometry

, 2021
Jeremy Zimmermann, Philipp Wanner, Daniel Hunkeler   +2 more
openalex   +1 more source

Analysis of bioactive compounds present in different crude extracts of Benincasa hispida and Cucurbita moschata seeds by gas chromatography-mass spectrometry [PDF]

, 2022
Ali Ahsan Muzahid, Samia Sharmin, Md. Sakhawat Hossain, Kutub Uddin Ahamed, Nasim Ahmed, Most. Sarmina Yeasmin, Nazim Uddin Ahmed, Barun Kanti Saha, G.M. Masud Rana, Bijoy Maitra, Md Nurul Huda Bhuiyan   +10 more
openalex   +1 more source

Mechanochemistry‐Assisted Solvent‐Free Supramolecular Engineering for Atomic‐Layered Carbon Nitride Nanosheets with Enhanced Photocatalytic Hydrogen Evolution

Advanced Functional Materials, EarlyView.
A solvent‐free mechanochemistry‐enabled supramolecular engineering strategy is developed to directly synthesize covalent‐interconnected two‐dimensional atomic‐layered carbon nitride nanosheets photocatalyst, bypassing conventional top‐down exfoliation requirements.
Fanglei Yao, Jingwen Sun, Huiru Duan, Yongsheng Fu, Jin Wang, Liming Dai, Jingsan Xu, Junwu Zhu   +7 more
wiley   +1 more source

Comparison among single-phase test, automated screening method and GC/MS for the traceability of ketamine in urine

Epidemiology, Biostatistics and Public Health, 2016
BACKGROUND The use of ketamine, for non-medical purpose, results widespread also in Italy. This drug is not searched by institutional centers, charged of the responsibility to realize the execution of toxicological analysis based on the article 187 of ...
Alice Visione, Giovanni Michele Lagravinese   +1 more
doaj   +1 more source

GLC analysis of base composition of RNA and DNA hydrolysates [PDF]

Various methods used for the analysis of the base composition of RNA and DNA hydrolysates are presented. The methods discussed are: (1) ion-exchange chromatography, (2) paper chromatography, (3) paper electrophoresis, (4) thin layer chromatography, (5 ...
Gehreke, C. W., Lakings, D. B.
core   +1 more source

Tailoring Redox Active Sites with Dual‐Interfacial Electric Fields for Concurrent Photocatalytic Biomass Valorization and H2 Production

Advanced Functional Materials, EarlyView.
A rationally engineered bifunctional photocatalyst is reported, which achieves simultaneous selective oxidation of biomass‐derived 5‐hydroxymethylfurfural (HMF) to 2,5‐diformylfuran (DFF) and efficient H2 evolution. By precisely positioning Au and Co3O4 on Zn3In2S6 nanosheet, dual interfacial electric fields are well constructed to spatially separate ...
Shiqing Li, Sugang Meng, Huijun Zhang, Alain R. Puente‐Santiago, Zhongliao Wang, Shifu Chen, Mario J. Muñoz‐Batista, Yu‐Ming Zheng, Bo Weng   +8 more
wiley   +1 more source

Metabolomics profiling of strawberry (Fragaria x ananassa) F1 population to characterize flavour and nutritional traits [PDF]

, 2018
The cultivated strawberry (Fragaria x ananassa) is a highly consumed fruit known for its delicate flavour and nutritional characteristics. However, as fruit quality attributes have been lost after years of traditional breeding, new technological tools ...
Amaya, Iraida, Fernie, Alisdair R, Medina, Juan Jesus, Osorio-Algar, Sonia, Potss, Potss, Delphine, Vallarino, Jose G   +6 more
core  

Software Tools and Approaches for Compound Identification of LC-MS/MS Data in Metabolomics. [PDF]

, 2018
The annotation of small molecules remains a major challenge in untargeted mass spectrometry-based metabolomics. We here critically discuss structured elucidation approaches and software that are designed to help during the annotation of unknown compounds.
Blaženović, Ivana, Fiehn, Oliver, Ji, Jian, Kind, Tobias   +3 more
core   +3 more sources

Study of decomposition products by gas chromatography-mass spectrometry and ion chromatography-electrospray ionization-mass spectrometry in thermally decomposed lithium hexafluorophosphate-based lithium ion battery electrolytes

, 2015
In this work, the thermal decomposition of a lithium ion battery electrolyte (1 M LiPF6 in ethylene carbonate/ethyl methyl carbonate, 50/50 wt%) with a focus on the formation of organophosphates was systematically studied. The quantification of non-ionic
V. Kraft, Waldemar Weber, Martin Grützke, M. Winter, S. Nowak   +4 more
semanticscholar   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

Advanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva, Giulio Fatti, Emanuel Carlos, Guilherme Ferreira, Sumita Goswami, Suman Nandy, Luiz H. C. Mattoso, Elvira Fortunato, Caio G. Otoni, Rodrigo Martins   +9 more
wiley   +1 more source