Green sample preparation for anthocyanin extraction from purple corn: analytical evaluation of pressurized liquid and ultrasound-assisted extraction using sustainable solvents [0.03%]
采用可持续溶剂进行高压流体和超声辅助萃取分析评估紫玉米花青素绿色样品制备方法
Jorge A Custodio-Mendoza,Alexandra Rangel Silva,Patryk Pokorski et al.
Jorge A Custodio-Mendoza et al.
This study presents an analytical comparison of two extraction techniques-pressurized liquid extraction (PLE) and ultrasound-assisted extraction (UAE)-for the recovery of anthocyanins from purple corn using sustainable solvents (o-phosphori...
Assessment of current use pesticides in flowers, pollen provision, and wild bees: HPLC-ESI-MS/MS method development and field implementation [0.03%]
当前农药在花朵、花粉和野生蜜蜂中的使用评估：HPLC-ESI-MS/MS方法开发及现场实施
Carolina Honert,Katharina Wifling,María José Lazo Hernández et al.
Carolina Honert et al.
Synthetic pesticide use is a major driver of pollinator declines in agricultural landscapes. To understand the impact of pesticides, it is essential to quantify residues in food resources and in insects themselves. We developed simple, fast...
Quantitative determination and validation of 96 pesticides in cannabis by LC-MS/MS and GC-MS/MS [0.03%]
液相色谱-质谱法和气相色谱-质谱法定量测定和验证大麻中的96种农药
D A MacKenzie,A M Anyanwu,G McRae et al.
D A MacKenzie et al.
Canada has established a strict set of testing requirements for pesticides that are unauthorized for use on cannabis, currently holding the most extensive list of analytes in North America to date, listing minimum method performance limits ...
Erik Spoor,Matthias Rädle,Jens-Uwe Repke
Erik Spoor
When the concentration of a fluid mixture is measured with Raman spectroscopy in emulsions instead of pure liquids, the signal strength is influenced by the light scattering of the droplets which gives wrong results. This work investigates ...
An LC/MS/MS method for quantifying 25-hydroxyvitamin D3 in finger-prick plasma sample prepared by DEMECAL® micro plasma separation device: toward mail-in assessment of vitamin D status [0.03%]
一种测定指尖血浆样本中25-羟基维生素D3的方法：迈向邮寄评估维生素D状态的方向
Kodai Maeda,Kyoka Sakamoto,Eiko Ito et al.
Kodai Maeda et al.
A mail-in assessment of vitamin D status will make it possible for the subjects to early detect any vitamin D insufficiency/deficiency at their homes, thus leading to a better management of their health. In this study, a liquid chromatograp...
Examining structure-based surrogate selection for quantitative non-targeted analysis [0.03%]
基于结构的替代物选择在定量非目标分析中的应用研究
Nathaniel Charest,Shirley Pu,James P McCord et al.
Nathaniel Charest et al.
Quantitative non-targeted analysis (qNTA) is an important tool for characterizing emerging contaminants in environmental, biological, and product-based samples. While traditional non-targeted analysis (NTA) focuses on chemical identificatio...
LC-MS/MS-based simultaneous quantification of acylcarnitines, eicosapentaenoic acid, and docosahexaenoic acid: exploring potential biomarkers in human plasma [0.03%]
基于LC-MS/MS的乙酰辅酶、二十碳五烯酸和二十二碳六烯酸的同时定量：在人血浆中探索潜在生物标志物
Baiba Gukalova,Kristaps Krims-Davis,Eduards Sevostjanovs et al.
Baiba Gukalova et al.
Acylcarnitines have emerged as valuable markers of the intracellular fatty acid content, mitochondrial functionality, and fatty acid metabolism. However, acylcarnitines derived from polyunsaturated fatty acids (PUFAs) have not been previous...
Application of process analytical technology for real-time monitoring of synthetic co-culture bioprocesses [0.03%]
工艺分析技术在合成共培养生物过程实时监测中的应用
Nicole A Dambruin,Jack T Pronk,Marieke E Klijn
Nicole A Dambruin
Synthetic microbial co-cultures can enhance bioprocess performance by division-of-labor strategies that, through spatial segregation of product-pathway modules, circumvent or mitigate negative impacts of the expression of an entire product ...
A process analyzer assembly for real-time automated near-infrared, Raman, and proton nuclear magnetic resonance spectroscopic monitoring enhanced by heterocovariance spectroscopy and chemometry applied to a Schiff base formation [0.03%]
一种用于实时自动近红外、拉曼及质子核磁共振光谱监测的工艺分析装置，通过异构协变光谱和化学测量学应用于席夫碱的形成过程
Dominik Wilbert,Melanie Voigt,Martin Jaeger
Dominik Wilbert
Process analytical technology (PAT) plays a key role in enhancing the efficiency and resulting quality of chemical processes. Hitherto, suitable methods enable real-time analysis and provide meaningful and robust data and models. Spectrosco...
Site-specific hydrogen isotope measurements of vanillin by 2H-qNMR and GC-IRMS [0.03%]
位点特异性氢同位素检测：通过二维变角弛豫观测固态氢谱和裂解气体同位素比质谱法测量香草醛中的氢同位素站点特定氢同位素测量香草醛的位点特定氢同位素测量香林tones中的位点特异性氢同位素
Phuong Mai Le,Markus Greule,Stanislav Sokolenko et al.
Phuong Mai Le et al.
Stable isotope analyses are powerful techniques to detect counterfeiting of food products, especially in vanillin, one of the world's most popular flavors used in food and pharmaceutical industries. Although a stable carbon isotopic ratio p...