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Results 1191–1200 of 1444

Sample Prep Method Development and Optimization for the LC/MS/MS Analysis of Steroid Hormones in Plasma

| Contributed by Sigma Aldrich

The conversion of clinical methods to LC/MS/MS offers a number of advantages; however, is accompanied by a few limitations, most notably interference effects from the endogenous sample matrix.

Comparison of Biotage® Extrahera™ vs. Manual Sample Processing Using a Vacuum Manifold

| Contributed by Biotage

Comparison of Biotage® Extrahera™ vs. Manual Sample Processing of vitamin D using ISOLUTE SLE+

Why They Choose FDGSi

Find out why companies choose F-DGSi

Oceans Help Predict a Wave of Climate Change

| Contributed by Ocean Optics

A fluorescence-based assay helps study carbon fixation by plankton in the oceans

NIR on the Range: Grazing Animal Nutrition

| Contributed by Ocean Optics

Portable NIR spectroscopy of grazing animal feces may predict diet quality in remote locations

Sophisticated antibody analysis by GPC/SEC multichrome light scattering

| Contributed by PSS

A multidetection GPC/SEC method including UV, RI and Light scattering can be used for the simultaneous determination of aggregate content of monoclonal antibodies and antibody fragments using a single column set.

High resolution Saccharide and Polysaccharide Analysis using Small Particles

| Contributed by PSS

The PSS SUPREMA column with a reduced particle size of 5 μm offers a significant improvement in performance compared to traditional 10 μm materials

GPC/SEC-MALLS analysis of Hyaluronic Acid

| Contributed by PSS

Hyaluronic acid is a polymer of disaccharides and can have up to 25,000 disaccharide repeat units.

Re-equilibration in HILIC Chromatography

| Contributed by Supelco

In this study, re-equilibration times in HILIC, for both aqueous:organic gradients and buffer gradients are systematically explored. Repeatability of retention and selectivity is examined as a function of equilibration time.

Fast analysis of isoflavonoids in food

| Contributed by YMC

As soy is the most important source of vegetable oil worldwide, it contributes essentially to a balanced diet.

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