Challenges and recent advances in quantitative mass spectrometry-based metabolomics [0.03%]
定量质谱代谢组学的挑战与最新进展
Nathan Ghafari,Lekha Sleno
Nathan Ghafari
The field of metabolomics has gained tremendous interest in recent years. Whether the goal is to discover biomarkers related to certain pathologies or to better understand the impact of a drug or contaminant, numerous studies have demonstra...
Mathieu L Simeral,Steven M E Demers,Kyle Sheth et al.
Mathieu L Simeral et al.
Raman spectroscopy provides label-free, specific analysis of biomolecular structure and interactions. It could have a greater impact with improved characterization of complex fingerprint vibrations. Many Raman peaks have been assigned to ch...
In situ simultaneous measuring method for the determination of key processes of soil organic carbon cycling: Soil microbial respiration using laser spectrometry [0.03%]
土壤有机碳循环关键过程的原位同步测量方法：基于激光光谱学的土壤微生物呼出二氧化碳通量测定方法研究
Hongzhao Yuan,Zhen He,Liping Zhang et al.
Hongzhao Yuan et al.
Rationale: Soil microbial heterotrophic C-CO2 respiration is important for C cycling. Soil CO2 differentiation and quantification are vital for understanding soil C cycling and CO2 emission mitigation. Presently, soil mic...
Niklas Geue
Niklas Geue
Screening stabilisers for cyanoenone triterpenoid TX101 in rat plasma samples by simultaneous analysis of parent drug and the epoxidation product [0.03%]
同时测定母体化合物及其环氧化产物的TX101安替比林替代物筛选试验中的样品预处理方法优化及相关稳定性研究
Lynn Tian,Qingguo Tian,Edward Tamer
Lynn Tian
In the development of bioanalytical methods, stabilizing drug molecules in biological matrices is crucial for ensuring reliable exposure data in pharmacokinetic and toxicokinetic sample analyses. This study focuses on the evaluation of stab...
Physical, chemical and biological characteristics of clays from Durban (South Africa) for applications in cosmetics [0.03%]
南非德班地区粘土的物理化学和生物特性及其在化妆品中的应用
S&#x;busiso M Nkosi,Nokukhanya Thembane
S&#x;busiso M Nkosi
Clay soils are rock-decomposed materials comprised of both clay- and non-clay-like minerals. Clays' physiochemical and mineralogical composition determines their applicability use in cosmetics. Because of their high bioburden, they must be ...
Differentiating the aromatic positional isomers of methylbuphedrones and methoxybuphedrones via chemical ionization-mass spectrometry [0.03%]
化学电离-质谱区分甲基和methoxy-buphedrone的芳香异构体
Shinji Tsunoi,Tomohiro Yasuhisa,Takahiro Hisasue et al.
Shinji Tsunoi et al.
Discrimination of aromatic positional isomers of methylbuphedrones and methoxybuphedrones was successfully achieved. Meta isomers were discriminated by chemical ionization-tandem mass spectrometry (CI-MS/MS) using acetonitrile as a reagent ...
Two common pitfalls in the analysis of water-stable isotopologues with cryogenic vacuum extraction and cavity ring-down spectroscopy [0.03%]
有关低温真空抽提与空芯腔衰荡光谱法分析水中同位素的两个常见误区
Simon Haberstroh,Angelika Kübert,Christiane Werner
Simon Haberstroh
Water stable isotopologue analysis is widely used to disentangle ecohydrological processes. Yet, there are increasing reports of measurement uncertainties for established and emerging methods, such as cryogenic vacuum extraction (CVE) or ca...
Development of Aloe vera-titanium oxide-based ultrasensitive sensor for the quantification of quercetin [0.03%]
基于Aloe Vera和二氧化钛的超灵敏传感器的发展用于定量槲皮素
Antony Nitin Raja,Annu Pandey,Rajeev Jain
Antony Nitin Raja
In the present work, a novel sensor developed for the quantification of quercetin (QRC) is being reported. Due to synergistic effects of Aloe vera and titanium oxide, voltammetric performance of the developed sensor (ALV-TiO2/glassy carbon ...
Recent trends in the chromatographic analysis of volatile flavor and fragrance compounds: Annual review 2020 [0.03%]
2020年挥发性风味和香味化合物色谱分析的最新进展年度回顾
Stefan Louw
Stefan Louw
The chromatographic analysis of volatile flavor and fragrance compounds is performed routinely in several industries and in many fields of scientific research. Typical applications include food-, environmental-, essential oil- and cosmetics...