Small molecule HPLC

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Showing 1-30 of 86 results

LC/MS/MS Analysis of Aflatoxins in Hops on Ascentis® Express 2.7 μm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE

HPLC Analysis of Fat Soluble Vitamins by Normal Phase Chromatography on Ascentis® Si

HPLC Analysis of Fat Soluble Vitamins by Normal Phase Chromatography on Ascentis® S

Deriviatization, Hydrolysis, and HPLC Analysis of Amino Acids on SUPELCOSIL™ and ASCENTIS® Columns

Amino Acid Analysis is the suitable tool for precise determination of protein quantities but also provides detailed information regarding the relative amino.

HPLC Analysis of Dehydroascorbic Acid and Ascorbic Acid (Vitamin C) on SeQuant ZIC-HILIC

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

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

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

Separation of null

HPLC Analysis of Fumaric, Oxalic, and Citric Acid on SeQuant ZIC-HILIC

Separation of Fumaric acid; Oxalic acid; Citric acid

HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL LC-18

HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL™ LC-18

LC/MS Analysis of Sorbitol and Mannitol on SeQuant ZIC-HILIC

Separation of Sorbitol; Mannitol

LC/MS Analysis of Glyphosate and Metabolites on apHera™ NH2, 2 mm I.D. Column

Protocol for LC/MS Analysis of Glyphosate and Metabolites on apHera™ NH2, 2 mm I.D. Column

HPLC Analysis of EDTA on SeQuant ZIC-HILIC

Separation of EDTA

HPLC Analysis of Vitamins B1 B6 B12

HPLC Analysis of Vitamins B1, B6 and B12 using Ascentis® Express RP-Amide

LC/MS/MS Analysis of Vitamins B1 and B6 on Ascentis® Express OH5

Separation of Pyridoxine Hydrochloride (B6), analytical standard; Thiamine Hydrochloride (B1), analytical standard

Mass Spectral Column Bleed in Nitrogen-Containing Polar-Embedded HPLC Stationary Phases

AOAC Method 2011.11: UHPLC/MS/MS Analysis of Vitamin D2 and Vitamin D3 on Titan™ C18

Separation of Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard

LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE

solution, 2 μg/mL in acetonitrile, analytical standard

Biological Testing for Amphetamine and Methamphetamine Abuse

In this study, optimized methods are presented for sample preparation and chiral chromatography for the LC/MS analysis of amphetamine and methamphetamine enantiomers in urine.

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 Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

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

Veterinary Drug Residues

The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.

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.

US EPA Method 632: HPLC Analysis of Pesticides on Ascentis® C18

-methylcarbamate 10 μg/mL; Diuron; Propham; Siduron; Methiocarb, analytical standard; Linuron 10 μg/mL; Swep 10 μg/mL; Chlorpropham 10 μg/mL; Barban; Neburon

Acrylamide in Food

Acrylamide analysis has been a very hot topic since the chemical was identified in food in 2002 by researchers at the Swedish National Food Administration.

HPLC Analysis of Water-Soluble Vitamins Using Titan C18 Column

The B vitamins are very hydrophilic, consequently a gradient with a low concentration of methanol and acidic mobile phase was used for elution under reversed-phase conditions.

LC/MS Analysis of Nucleotides SeQuant^® ZIC^®-cHILIC – Effect of pH

ZIC®-cHILIC is a densely bonded zwitterionic stationary phase with phosphorylcholine functional groups covalently attached to silica.

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

Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.

Enrichment of Phospholipids in Biological Samples Using HybridSPE-PL

A simple method to enrich phospholipids from plasma samples, involving a HybridSPE-PPT 96-well plate that both retains phospholipids and removes precipitated proteins.

Rapid, Sensitive, and Quantitative LC/MS/MS Determination of Digitoxin and Digoxin in Plasma

Immunoassay-based methods for digitoxin or digoxin exist, but are time consuming, labor intensive, and not selective due to similarities in their chemical structures.

LC/MS/MS Analysis of Interacting Cardiac Drugs Digoxin, Quinidine, Amiodarone and Verapamil on Titan™ C18

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