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Large molecule HPLC

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facet applications:Large molecule HPLC
facet content type:Technical Article
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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。
蛋白质SEC的色谱柱和分析标准品
体积排阻色谱(SEC)色谱柱和现成的标准品有助于方法开发,并提高蛋白质SEC方法的耐用性。
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。
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。
HPLC Columns for Antibody and Large Protein Analysis
BIOshell™ IgG 1000 Å C4 columns are highly suited for the reversed phase separation of high molecular weight compounds such as monoclonal antibodies with molecular weight of 150 kDa.
HPLC Analysis of Various Cationic Polymers on TSKgel® PWXL-CP Columns
Separation of Polyacrylic acid (PAA) 438 kDa; Polyacrylic acid (PAA) 235 kDa; Polyethylenimine (PEI) 266 kDa ; Poly(dimethyl diallyl ammonium chloride) (PIDADMACl) 204 kDa; p-Aminosalicylic acid (PAS) 7800 Da; p-Aminosalicylic acid (PAS) 257 kDa; Cationic dextran (11 kDa); Chitosan
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
Validation of RNAi Knockdown Using Multiple Reaction Monitoring and Protein-AQUA
The field of proteomics is continually looking for new ways to investigate protein dynamics within complex biological samples. Recently, many researchers have begun to use RNA interference (RNAi) as a method of manipulating protein levels within their samples, but the
Oligonucleotide Quality Control by Analytical HPLC
In many cases oligonucleotides require quantitative analysis to verify specifications have been met. MALDI-TOF and ESI-MS can provide qualitative-quantification for purity.
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
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
Columns and Analytical Standards for Protein SEC
Size-exclusion chromatography (SEC) columns and ready-to-use standards facilitate method development and increase robustness of protein SEC methods.
Quantification of Infliximab in Human Serum by LC-MS/MS Using A Full-Length Stable Isotope Labeled Internal Standard
Infliximab, a chimeric monoclonal antibody, is used to treat rheumatoid arthritis, psoriatic arthritis, Crohn’s disease, and other autoimmune diseases.
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.
Optimising the LC-MS Analysis of Biomolecules
We present an article concerning optimising the LC-MS analysis of biomolecules.
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.
Ascentis® Express F5 (Pentafluorophenyl) U/HPLC Columns
Enhanced selectivity for stereoisomers and closely related compounds with alternate selectivity from C18 phases for basic, acidic, or neutral compounds
Ascentis® Express RP-Amide Columns for HPLC and UHPLC
Improve your separation of basic compounds with our Ascentis® Express RP-Amide HPLC columns from the Supelco® portfolio.
UHPLC Analysis of Vitamin D2 & D3 Metabolites and Epimers on Supel™ Carbon LC Columns
Ultra high-performance liquid chromatographic (UHPLC) separation of Vitamin D Metabolites― 3-epi-25-hydroxyvitamin D2 and 25-hydroxyvitamin D2, using Supel™ Carbon LC column with baseline separation, excellent peak shape, and sensitivity.
HPLC Products: The Best Choice for Any LC Instrument
Discover our comprehensive portfolio of High-performance liquid chromatography (HPLC) columns and consumables for your various and specialized U/HPLC based applications― 100% compatible with HPLC, UHPLC, or UPLC® systems from any vendor.
Chromatography Profile Analysis of Phosphorothioate Oligonucleotides
The ultimate goal of most antisense research is to develop therapeutic agents for diseases such as diabetes, cancer, and HIV/ AIDS. Phosphorothioate oligonucleotides (commonly referred to as S-oligos) are often the molecules of choice because of their resistance to cellular
Analysis of Oligonucleotides by SEC-MALS
Separation and identification of oligonucleotides differing by one base in length using Size Exclusion Chromatography combined with multi-angle light scattering (SEC-MALS) detector.
Determination of Ephedrine HCl and Pseudoephedrine HCl in Xiao’er Kechuanling Oral Solution using a Discovery® HS C18 Column
Developing an HPLC method for quantifying ephedrine HCl and pseudoephedrine HCl in traditional Chinese medicine (TCM) with a Discovery® C18 column to report: chromatographic data, linearity, specificity and repeatability, LOD and LOQ.
Ascentis ® Express HILIC U/HPLC Columns
For separation of polar compounds including polar neutrals, polar acids, and polar and non-polar basic amines use our Ascentis® Express HILIC column.
Three Methods for Critical Quality Attribute Determination of Monoclonal Antibodies
Step-by-step workflows for the intact mass analysis, peptide mapping, and N-glycan analysis of the monoclonal antibody― adalimumab, for an accurate characterization of the critical quality attributes (CQAs) to ensure drug safety and efficacy. Read more.
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