Direct Analysis of Amino Acids by HILIC–ESI-MS
Direct analysis of 14 amino acids was performed with a straightforward HILIC–ESI-MS method. The column used was an iHILIC-Fusion(+) column packed with charge modulated ...Read more

Nanoparticle Drug Delivery Characterization with FFF-MALS-DLS
The size, shape, and structure of therapeutic nanoparticles are critical for effective drug delivery. Effective and robust characterization for these qualities is achieved by combining ...Read more

DCM-Free, Semi Automated, Sample Cleanup for POPs Analysis
To meet demands for a lower cost method for the sample cleanup of dioxins and PCBs that requires little financial investment and eliminates hardware, features ...Read more

Vitamin D Metabolite Analysis in Biological Samples
A rugged and reliable sample preparation method using Agilent Captiva EMR—Lipid for 96-well plate based in situ protein precipitation and pass-through lipid clean-up. ...Read more

Automated Extraction of Plasma Catecholamines and Metanephrines
This application note describes a mixed-mode load-wash-elute SPE protocol for the extraction of three catecholamines (epinephrine, norepinephrine, and dopamine) and three metanephrine metabolites (metanephrine, normetanephrine, ...Read more

EPA Method 522: 1,4-dioxane in Drinking Water Using SPE and GC–MS
1,4-dioxane, referred to as dioxane, is a highly water soluble, non-biodegradable ether often found as a trace contaminant of various chemicals used in cosmetics, detergents, ...Read more

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

Comprehensive Two Dimensional Gas Chromatography: Theory and Practice
An overview of the theory and practice of the rapidly developing field of two-dimensional gas chromatography (GC×GC). Included in the discussion are a summary of ...Read more

Proof of Equivalency for the Analysis of Beta-Blockers
This application note shows the seamless transfer of a method for the analysis of beta-blockers from an Agilent 1260 Infinity LC to an Agilent 1260 ...Read more

Alternative Xylitol Extraction via HPLC Purification from Fermented Biomass
A latest approach in bioethanol generation is the application of yeast and bacteria, which use C5 sugars for fermentation and the valorization of biorefinery byproducts. ...Read more

Quantitation of Multi-Class Antibiotic Residues in Milk by LC–MS/MS
Antibiotics are widely used in veterinary medicine for treatment and prevention of disease and as growth promoters. Excessive usage of antibiotics might result in residue ...Read more

Rapid Perfluorinated Alkyl Acid Analysis by LC–MS/MS Increases Sample Throughput
Decrease analysis time for fluorochemicals with no sacrifice in chromatographic performance. ...Read more