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Usha Nair

Usha gained her PhD in Structural Biology from the National Institute of Immunology, Jawaharlal Nehru University, New Delhi.

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Articles by Usha Nair

Man estimating size of object to refelct using a gel filtration chromatogram to estimate molecular weight

Using a Gel Filtration Chromatogram to Estimate Molecular Weight

By Usha Nair | October 1, 2021

Do you need a way to estimate the molecular weight of a sample or protein? We walk you through one simple solution using a gel filtration chromatogram.

The Real-Time PCR Digest

The Real-Time PCR Digest

By Usha Nair | September 15, 2016

In the 30 odd years since its invention, the polymerase chain reaction (PCR) has become the bread and butter technique of molecular biologists. The secret to its indispensability lies in its simplicity and versatility. Numerous variants of the technique have been developed; one of these, real-time PCR, has become the method of choice for quantitative…

Gel Filtration Chromatography Media: What You Need to Know

Gel Filtration Chromatography Media: What You Need to Know

By Usha Nair | September 14, 2016

Do you use pre-packed Superdex 75 or Superdex 200 columns for gel filtration chromatography? Ever wonder if other media could better address your purification needs? Look no further. Your quest ends here! But if you’re looking for information on gel filtration principles, check out this earlier article. Choosing a Column for your Gel Filtration Experiment…

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