Merck
CN
Search Within
应用
内容物类型

Small molecule HPLC

应用筛选条件
facet applications:Small molecule HPLC
facet content type:Technical Article
显示 1-30 共 141 条结果
LC/MS/MS法测定谷物中的草甘膦、AMPA和草铵膦
使用 HPLC 和 SPE 的离子交换聚合物基颗粒测定燕麦片和婴儿谷物中的草甘膦及相关化合物。获得低水平的检测结果。
Milli-Q® Advantage A10纯水系统
智能。直观。让您无忧无虑地工作,最大程度提升实验室工作效率。创新的人体工程学设计以及强大的纯化树脂,确保优质超纯水源源不断。不妨了解一下Milli-Q® IQ 7000是如何改变您在实验室中的工作方式的。
使用分子印迹聚合物SPE提取安非他明及相关药物
使用分子印迹聚合物SPE提取安非他明及相关药物
通用亲水性针头式过滤器Millex®亲水性PTFE
Millex® 亲水性 PTFE 针头式过滤器具有广泛的化学相容性,并经过 HPLC 认证,确保低可萃取物含量。稳健的性能,让这款过滤器可自如应对各种样品,杜绝膜故障或样品污染风险。
使用 Ascentis® Express C18 色谱柱优化各种基质中的大麻素高通量分析
使用 Ascentis® Express C18 色谱柱 HPLC 分离不同大麻产品中的 17 种大麻素的完整工作流程,运行时间更短,保留时间稳定。点击此处了解更多信息。
Milli-Q® IQ 7000超纯水系统
探索客户至上的超纯水系统。智能互联、简单直观的Milli-Q® IQ 7000系统将简化您在实验室中的工作方式。
用于药物分析的Supel-Select HLB SPE
Select HLB SPE是一种亲水性聚合物相,用于从水性基质中提取分析物。在本文中,它将用于从血浆中提取他汀类药物,以及从饮用水中提取48种药物分析物。
HPLC故障排除指南
识别、纠正常见HPLC问题,恢复色谱柱性能。通过色谱图示例,获取解决峰相关问题(峰分裂、峰拖尾、峰前延等)、保留时间、吹扫噪声及分离度下降问题排查帮助。
BIOshell™ Glycan U/HPLC Columns
The BIOshell™ Glycan column is ideal for the separation and quantitation of isolated glycans using the HILIC method for accurate glycoprotein analysis.
HPLC Analysis of Sugars by HILIC Chromatography using Ascentis® Express OH-5 Column with ELSD Detection
Separation of Dextrose, Pharmaceutical Secondary Standard; Certified Reference Material; Sucrose; Maltitol, Pharmaceutical Secondary Standard; Certified Reference Material
Detection, Measurement and Regulation of NOGE (Novolac Glycidyl Ethers) and Other Packaging-Derived Epoxy Compounds In Food Products
Detection, Measurement and Regulation of NOGE (Novolac Glycidyl Ethers) and Other Packaging-Derived Epoxy Compounds In Food Products
UHPLC analysis of Benzoyl peroxide and degradation products on Purospher® STAR RP-18e Hibar® HR
UHPLC analysis of Benzoyl peroxide and degradation products on Purospher®STAR RP-18e Hibar® HR - Conditions & Description
Rapid Determination of Protein Binding Affinity Using Solid Phase Microextraction
Accurate protein binding affinities were measured using bioSPME more rapidly than membrane dialysis (RED) techniques. Binding affinities correlated to the reference values.
Bioanalysis with SPME
Biocompatible SPME devices employ C18 bonded porous silica sorbent particles, in a binder which resists fouling by biological matrix components
Ascentis® Express Biphenyl UHPLC and HPLC Columns
The bonded, densely endcapped, dimethyl-biphenyl stationary phase of Ascentis® Express 90 Å Biphenyl, based on fused-core particles, provides a stable, reversed phase packing with enhanced π-π and mild steric interactions due to the two sequential phenyl groups bonded to the
Hydrophilic Interaction Liquid Chromatography
An introduction to the HILIC separation technique and an overview of the strategies for developing robust methods for separation of polar and hydrophilic compounds.
Ascentis® Express C8 U/HPLC Columns
When a C18 doesn′t give the desired separation, or your sample contains compounds that are known to be difficult to retain or resolve on a C18, consider changing to an Ascentis® Express C8 column.
HPLC Analysis of Xanthines on Purospher® STAR RP-18 endcapped
Xanthine is a purine base found in most human body tissues and fluids as well as in other organisms. Methylated xanthines (methylxanthines), which include caffeine, paraxanthine, theobromine, and theophylline, commonly used for their effects as mild stiµlants and as bronchodilators
Mixed-Mode SPE Improves Extraction of Pharmaceutical Compounds from Biological Fluids
Mixed-Mode SPE Improves Extraction of Pharmaceutical Compounds from Biological Fluids
Ion-Suppression & Phospholipid Contamination
We are presenting an article focusing on ion-suppression and phospholipid contamination and some of their major causes and difficulties.
HPLC Analysis of Adenosine Monophosphate (AMP) and Adenosine Triphosphate (ATP) on SeQuant ZIC-HILIC
Separation of AMP (adenosine monophosphate); ATP (adenosine triphosphate)
Derivatization and Separation of Aliphatic Amines
Derivatization of Aliphatic Amines - Results from the Supelco Ascentis Express column show higher peak resolution, and improved peak shapes than typical chromatograms.
Supel™-Select Polymeric SPE
Supel-Select HLB SPE - a hydrophilic modified styrene based polymer developed for the solid phase extraction of a broad range of compounds from aqueous samples.
Derivatization Agents for LC/MS – An Improved Detection of Estradiol with ESI-MS
Improved LC/MS Detection of Estradiol using 4-(Dimethylamino) benzoyl chloride (DMABC) derivatization agent relative to dansyl chloride.
SupraSolv® GC Solvent Specifications
Our GC solvents have been specially developed and tested for ECD, FID and MS detection or for headspace gas chromatography to ensure accurate, reliable and reproducible analytical results.
Synthetic Cannabinoid Analysis
A large variety of cannabinoid drug standards, along with an HPLC method with the Supelco Ascentis® Express RP-Amide column, are presented in this article.
Evaluation of Different Enzymes on Hydrolysis Efficiencies of Glucuronide Drug Metabolites in Urine
β-glucuronidase (GUS) enzymes are utilized to hydrolyze glucuronide (gluc) drug metabolites to the parent drug, facilitating analysis by LC-MS/MS.
Chromatographic Selectivity
Harnessing the Power of Chromatographic Selectivity
How to Extend Liquid Chromatography Column Life: Regenerate or Use Guard Columns
What is causing aging of a column? Is the regeneration/washing of the column a reasonable approach to extend the lifetime of a column? What are the risks & challenges? Learn more in this article.
HPLC Troubleshooting Guide
Identify and correct common HPLC problems to restore column performance. Get help with peak problems (peak splitting, peak tailing, peak fronting, etc.), retention time, purge noise, and loss of resolution with example chromatograms.
1/5