paper chromatography in a sentence

The couple published extensively together about the use of radiolabeling with paper chromatography techniques for the study of metabolic pathways.
The process is similar to paper chromatography with the advantage of faster runs, better separations, and the choice between different stationary phases.
Using 2D paper chromatography and polarimetry, state-of-the-art technology at that time, they elucidated the genetics of the disease and other amino-acidurias diseases.
The retardation factor, " R f ", is commonly used in paper chromatography and thin layer chromatography for analyzing and comparing different substances.
Thearubigins were first studied by Roberts, E . A . H . in the 1960s by the means of spectroscopy or by fractionation or paper chromatography.

Now, I have experience with spectrophotometry and spectroscopy, but not specifically UV / VIS nor IR . Also, I have done paper chromatography, but not gas chromatography.
Its peptide-like structure, including the presence of glycine and valine, was first suggested by a combination of acidic hydrolysis, acetylation, ninhydrin staining, and paper chromatography, among other experiments.
In 1948 Hotchkiss used paper chromatography to quantify the base composition of DNA and, independently of Erwin Chargaff, found that the base ratios differed from species to species.
Using paper chromatography, Miller identified five amino acids present in the solution : glycine, ?-aminobutyric acid ( AABA ) were less certain, due to the spots being faint.
In 1948, Hotchkiss separated the nucleic acids of DNA from calf thymus using paper chromatography, by which he detected a unique methylated cytosine, quite distinct from cytosine and uracil.

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