Separation of (±)-α-Tocopherol, analytical standard; Menadione (K3), analytical standard; (+)-γ-Tocopherol, analytical standard; Cholecalciferol (D3), analytical standard

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites Using Ascentis® Express F5 HPLC Columns

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites, Using Ascentis® Express F5 HPLC Columns from Supelco®

Reversed-Phase HPLC Analysis of Insulin Variants and Analogs by UV and Mass Spectral Detection

Insulin is an approximately 6000 Da peptide hormone used to regulate the glucose concentration in blood. There are several different forms of insulin that are both natural and recombinant; the recombinant forms have been engineered to improve pharmacokinetic properties. A

HPLC Analysis of DMB-Labeled Sialic Acids on Ascentis^® Express RP-Amide: Comparison of Biosimilars to Reference Materials

Separation of null

HPLC Analysis of Biogenic Amines on Ascentis® RP-Amide

LC/MS Analysis of Nucleotides on SeQuant ZIC-cHILIC

HILIC separation is an alternative that permits sensitive MS detection and without the use of ion-pair reagents.

Chiral Method Development Strategies for HPLC

UHPLC Analysis Cannabinoids Ascentis Express

As the popularity of cannabis-infused products increases, there is a growing need to characterize the type and content of the cannabinoids found in the product. This application demonstrates the ability of the Ascentis Express C18 column to baseline resolve

HPLC Analysis of Lactic Acid Enantiomers on Astec CLC-L, Trace Level Detection

Separation of DL-Lactic acid, ~90% (T)

HPLC Analysis of Isocyanates on Titan™ C18

Fuel Ethanol: Fermentation Analysis by HPLC

Fast LC-MS-MS Analysis of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3

We presents a robust method for analyzing 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in serum using a multiplexed LC-MS-MS system.

Metabolites – A Serious Challenge for LC/MS Separations and Usual Detection Techniques

We offer the tools for the analysis of the metabolites; including certified reference standards, enzymes, substrates, and chromatographic products.

HPLC Analysis of PAHs on SUPELCOSIL™ LC-PAH

Separations of Tetracycline Antibiotics by Reversed Phase HPLC, Using Discovery Columns

HPLC Analysis of Aspirin and Salicylic Acid on Ascentis® Express RP-Amide

Separation of Acetylsalicylic acid, analytical standard; Salicylic acid, BioXtra, ≥99.0%

Chiral LC-MS/MS of D- and L-2-Hydroxyglutaric Acid Biomarkers

We describe here a rapid and sensitive method to separate and measure D-2-OHG and L-2-OHG enantiomers using high-resolution mass spectrometry (HRMS) detection.

HPLC Analysis of Furans on Ascentis® Express Phenyl-Hexyl as listed in ASTM method D5837-99

Separation of 5-Hydroxymethyl-2-furaldehyde; Furfuryl alcohol; Furfural; 2-Furyl methyl ketone; 5-Methyl-2-furaldehyde

HPLC Method for the Separation of Nine Key Silymarin Components of Milk Thistle

Experimental steps, coupled with prediction software, provided conditions suitable for the analysis biologically active milk thistle components.

HPLC Analysis of Xylose, Fructose, Glucose and Saccharose on Chromolith® NH2 100 - 4.6mm

Separation of Xylose; Fructose; Glucose; Saccharose

Analysis of Active Cannabis Compounds in Edible Food Products: Gummy Bears and Brownies

Potency testing in marijuana-infused edibles is an important problem that analytical labs are facing due to the complexity of the involved matrices. Concentration of active ingredients in these edibles can range from a few parts per million to 3.5 parts

LC/MS Analysis of Phospholipids in Milk on Ascentis^® Express HILIC after SPE using Supelclean^™ Si, Shotgun HPLC Analysis

(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%

2-Hydroxyglutarates Analysis by LCMS

Reversed phase application for the analysis of S-2-hydroxyglutaric acids and R-2-hydroxyglutaric acids by chiral LCMS, using a CHIROBIOTIC® R Column.

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