Screening of Pesticides in Food Using GC/Q-TOF
This application note describes the use of a novel high-resolution, low energy EI capable GC/Q-TOF to screen pesticides and other contaminants in food matrices. ...Read more

Distillation Analysis by Modified ASTM
This application note describes simulated distillation (SimDis), a GC technique used to simulate the results of a distillation tower, separating crudes or other multicomponent blends ...Read more

Identifying mAb Mutation Sites Using 2D-LC–MS
The Agilent 1290 Infinity II 2D-LC solution with an Agilent 6530 Accurate Mass Quadrupole Time-of-Flight LC–MS was used to determine critical differences between an ...Read more

A Rugged 4-Min Method for High-Throughput Labs
Methods for monitoring alcohol consumption biomarkers EtG and EtS are generally limited by poor retention and coelution with matrix interferences, as well as by long ...Read more

Fast, Low Cost and Low Solvent, DCM-Free, Sample Cleanup for POPs Analysis
To meet demands for a lower cost method that requires little financial investment, we combined the features of the PowerPrepR system - accurate, fast, reliable with ...Read more

Concentrating Semivolatiles Using the New Biotage TurboVap^® II
Fifty semivolatile compounds have been concentrated using the new TurboVap^® II evaporator according to the EPA Method 625. Six replicates were performed for each of ...Read more

CPC 250: Mass-Directed Purification of Piperine from Piper Nigrum
Piperine is a pungent alkaloid that confers the biting taste to black pepper. Black pepper has long been used in traditional medicine, and recent studies ...Read more

Solid-Phase Extraction of Fentanyl and Designer Fentanyl Derivatives in Urine
Presented is a rapid, three-step SPE procedure that includes a concentration step for the identification and quantification of fentanyl and its major urinary metabolite norfentanyl, ...Read more

The Nanoparticle Characterization Toolkit
Accurate and comprehensive characterization of nanoparticles is essential to controlling their properties and fulfilling their potential for novel applications. This note describes a versatile set ...Read more