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Shortening run times is a welcome exercise for many laboratories, especially when sample throughput needs to be increased. read more

Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more

Over the years there have been a number of efforts to build solid-state viscosity sensors for both laboratory and on-line applications that would measure smaller sample sizes, as well as be easier to... read more

The rheology of a suspension or dispersion relates directly to many parameters of commercial interest. read more

Immobilized metal affinity chromatography (IMAC) is a well-established protein separation technique experiencing expanded use based on new, high-performance analytical phases. read more

Many of us have encountered some IC/HPLC analyses in which the same sample is injected onto two different HPLC/IC systems, in order to ascertain the sample composition, with the only difference ... read more

In vivo protein imaging technology has been greatly advanced over the last decade by the development of green fluorescent protein (GFP) and its derivatives as investigational tools. read more

In a high-sensitivity amino acid analysis (AAA) technique that does not require sample derivatization, both amino acids and carbohydrates are separated by high-performance anion-exchange ... read more