Evaluation of extraction methodologies for PFAS analysis in mascara: a comparative study of SPME and automated µSPE [0.03%]
睫毛膏中PFAS分析提取方法的评价:SPME和自动化µSPE比较研究
Aghogho A Olomukoro,Lucas Lüthy,Tom Flug et al.
Aghogho A Olomukoro et al.
Research efforts have primarily focused on identifying per- and polyfluoroalkyl substances (PFAS) in common environmental media like water, air, soil, and biological samples. However, there is limited research on PFAS detection in complex s...
Accounting for shear scission in the size-exclusion chromatography of debranched starch [0.03%]
剪切裂解在支化淀粉凝胶渗透色谱分析中的作用研究
Jihui Zhu,Ziyi Wang,Robert G Gilbert
Jihui Zhu
The chain-length distribution (CLD) of starch influences many functional properties of starch-containing substances, and also contains information about starch biosynthetic processes. The commonest method for measuring this CLD is to debran...
Advanced N-glycoproteomics and proteomics approach revealed sexually dimorphic molecular signatures in primary mouse hepatocyte [0.03%]
针对小鼠原代肝细胞性二态性的先进N-糖蛋白质谱及蛋白质组学方法研究
Qian Yang,Yong Zhang,He Zhang et al.
Qian Yang et al.
Sexual dimorphism plays a critical role in disease pathophysiology, but the subtlety and complexity of these differences, along with a lack of precise comparative methods, hinder the advancement of precision medicine and drug development. T...
Development of a candidate reference method for the simultaneous quantification of betaine, choline and trimethylamine N-oxide in serum samples by two-dimensional liquid chromatography and isotope dilution tandem mass spectrometry [0.03%]
一种用于同时定量测定血清样品中甜菜碱、胆碱和三甲胺-N-氧化物的候选参考方法的研究开发:二维液相色谱与同位素稀释串联质谱联用法
Daniela Pineda-Cevallos,María Castañón Apilánez,Elena Cancio-López et al.
Daniela Pineda-Cevallos et al.
Serum choline, betaine and trimethylamine N-oxide levels are associated with the risk of cardiovascular events. However, no reference procedure for the determination of these compounds in serum has been developed so far. This work describes...
SERS and colorimetric dual-mode detection of cholesterol during drug treatment of atherosclerosis [0.03%]
药物治疗动脉粥样硬化时的胆固醇SERS及比色双模式检测
Yujuan Ji,Yi Ji,Yupeng Wu et al.
Yujuan Ji et al.
Foam cell formation caused by cholesterol accumulation in macrophages is an early warning of atherosclerosis. Therefore, in situ and accurate determination of intracellular and extracellular cholesterol in macrophages is of great significan...
Simple strategy for preparing nanoporous silver sheets as reusable SERS substrates for trace analysis with up to 60 reuses [0.03%]
一种简便策略制备用于痕量分析的纳米多孔银膜基底(重复使用次数最高可达60次)
Hongni Zhu,Vince St Dollente Mesias,Xin Dai et al.
Hongni Zhu et al.
Leveraging fingerprint-like specificity of molecular vibrations and enhanced sensitivity from metallic nanostructures, surface-enhanced Raman spectroscopy (SERS) has emerged as a powerful analytical tool. However, most SERS substrates are d...
Proposed RP-HPTLC-FLD kit for analysis of vitamin A palmitate in edible oils [0.03%]
维生素A棕榈酸酯食用油检测试剂盒的建立及应用研究
Daniel Meyer,Sophia Hörnlein,Dietrich Rein et al.
Daniel Meyer et al.
Preschool-aged children and non-pregnant women of reproductive age particularly in countries of a lower socio-demographic index may experience insufficient dietary vitamin A. Fortifying staple foods such as edible oils with vitamin A is a u...
Total organic carbon (TOC): a simple tool for assessing micro(nano)plastics and nanocellulose recovery during size-based fractionation [0.03%]
总有机碳(TOC):评估尺寸基础分级过程中微(Nano)塑料和纳米纤维素回收的简便工具
Guillaume Bucher,Gabriella F Schirinzi,Chiara Verra et al.
Guillaume Bucher et al.
The assessment of analyte recovery during sample preparation is a critical quality control parameter in method development. While elemental mass spectrometry techniques, such as ICP-MS, are very effective for assessing the recovery of parti...
Assessment and cross-validation of calibration transferability between dried blood spot sampling devices for accurate quantification of phosphatidylethanol [0.03%]
评估并验证用于精确量化磷脂乙醇的干血斑取样装置之间的校正转移性及其互换性研究
J Hose,M Juebner,M Thevis et al.
J Hose et al.
Phosphatidylethanol (PEth) is a direct alcohol biomarker which is used in a variety of clinical and forensic contexts. Due to its limited stability in whole blood, PEth is routinely analysed using dried blood spots (DBS). There are many dif...
A novel method for the determination of synthetic cathinones and related substances in postmortem blood samples using cork-based dispersive solid-phase microextraction prior to LC-MS/MS analysis [0.03%]
一种新的方法用于在死后血液样本中测定合成卡西酮和相关物质,使用软木基分散固相微萃取结合LC-MS/MS分析前处理步骤
Letícia Birk,Bruno Pereira Dos Santos,Sarah Eller et al.
Letícia Birk et al.
The detection of new psychoactive substances in postmortem blood is of primary importance for the investigation of related deaths. A method using cork as a biosorbent in a solid-phase microextraction with LC-MS/MS analysis was developed and...