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Organic and amino-acid determination were performed by chromatography/mass spectrophotometry.
The particles can be moved by an alternating gas or liquid flow, as in chromatography, or by an alternating electric field, as in electrophoresis.
One example where chromatography may not necessarily be the best analytical method.
The stream of gaseous ammonia that bubbled in the solvent caused the release of the arcing products, which were then analysed by liquid chromatography.
The chemical composition of the headspace volatiles from healthy and fourth instar larvae-infested cowpea seeds were identified, characterized, and compared using gas chromatography-mass spectrometry.
The biochemical evidence typically involves a combination of co-immunoprecipitation and size\mass characterization of the purified material by velocity sedimentation and\or gel-filtration chromatography.
This was added to the column chromatography column after the original extract was applied.
We are in the process of standardizing the technique to measure ethanol levels in blood using gas chromatography, with promising results.
Enzymes of purine salvage and catabolism in the mouse preimplantation embryo measured by high performance liquid chromatography.
The synthetic compounds were purified by high performance liquid chromatography.
Using antigen-matrix affinity chromatography, we purified monospecific antibodies from the rabbit antiserum generated against the crude extracts.
Concomitant separation of strontium and samarium- neodymium for isotope analyses in silicate samples, based on specific extraction chromatography.
A gas chromatography syringe was used to obviate the problem of schistosomula lodging in the syringe barrel.
Residues were dried, derivatized and analysed for fagopyritols or other soluble carbohydrate products by high-resolution gas chromatography, as described above.
Determination of leucine metabolism and protein turnover in sheep, using gas-liquid chromatography-mass spectrometry.