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Clinical and Forensics Testing
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Applications of Newly Developed 2.7 μm Porous Graphitic Carbon Particles in U/HPLC
Polar graphitic carbon (2.7 μm) based Ultra/High-performance liquid chromatographic separation of four highly polar pesticides, two polar herbicides―paraquat & diquat, and Vitamin D and its metabolites.
Syringe Filters for Chromatography
Syringe filter selection guide for HPLC, UHPLC, and Ion Chromatography using pore size, filter diameter, chemical compatibility, analyte binding, and extractables.
Optimizing Serum Sample Preparation for Free Testosterone Determination: A Comparative Analysis Using BioSPME
Optimize serum samples for LC-MS/MS-based free testosterone determination using Supel™ BioSPME 96-pin device and validated equilibrium dialysis methods.
Custom Oligos Modifications
We offer over 200 custom DNA oligos modification for both DNA, RNA oligonucleotides and sequencing to probes for gene.
Vitamin D epi-Metabolites Separated with HybridSPE-Phospholipid
This Sigma-Aldrich article continues to detail new methodology for the analysis of Vitamin D metabolites using HybridSPE-Phospholipid technology.
UHPLC/MS Analysis of Diazepam and Metabolites on Titan™ C18, Comparison of Flow Rate and Column Length
Separation of Oxazepam; Desmethyldiazepam, analytical standard; Temazepam, analytical standard; Diazepam
Steroid Hormone Analysis in Serum using Supel™ Swift HLB DPX Tips
This application note describes an accurate and sensitive, Supel™ Swift HLB DPX Tips based analysis of a total of 9 steroids (cortisone, cortisol, 11-deoxycortisol, androstenedione, testosterone, dehydroepiandrosterone, 5α-dihydrotestosterone, 17α-hydroxyprogesterone, and progesterone) in blood serum samples using two different standards (UTAK
Ultrapure Water for LC MS Biomedical Analyses
This study assesses the suitability of ultrapure water from a Milli-Q® water system for sensitive LC-MS analyses of hormones.
LC-MS Analysis of Serum for a Wide Analyte Range Using a Novel HLB SPE Phase
Analysis of 20 pharmaceutical compounds in calf serum using Supel™ Swift HLB SPE cartridge for cleanup and LC-MS determination and another commercially available HLB cartridge for comparison.
Custom Next-Gen Sequencing Oligos
Regardless of next-generation sequencing (NGS) platform, universal and index adapter sequences are required for the proper assembly of sample fragments.