The contents of each flask were then diluted to volume with HPLC-grade water. A 5-mL portion of each diluted sample was further diluted to 50 mL with HPLC-grade water and 20 µg of internal ...

Midazolam was provided by Roche (Hoffmann-La Roche, Basel, Switzerland). Formic acid, HPLC grade methanol, and HPLC grade water were purchased from Merck (Darmstadt, Germany). The media used were ...

Grades are one of the two most important factors in law school admissions, along with standardized test scores on the LSAT or GRE. There are three reasons for this. First, studies have shown that ...

Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass ...

HPLC-MS grade acetonitrile, methanol, and formic acid were from J.T. Baker, Fisher Scientific (Pittsburg, PA). Hydrazine hydrate was from Sigma-Aldrich (St. Louis, MO). Quality control materials ...

We describe a largely unbiased method for rapid and large-scale proteome analysis by multidimensional liquid chromatography, tandem mass spectrometry, and database searching by the SEQUEST ...

Readers respond to a guest essay that argued that high grades should be strictly for excellence. To the Editor: Re “Sorry, You Don’t Get an A for Effort,” by ...

Now that the dust has cleared on Ohio State's national championship, it’s time to hand out report cards in the form of season grades for every team in the Bowl Subdivision. An annual tradition ...