Could anyone share me the articles related for the determination of extinction coefficient by Amino acid analysis and Dry weight method?

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Zahra Shakeran

I think this paper can help you:

Stamey TA, Teplow DB, Graves HC. Identity of PSA purified from seminal fluid by different methods: comparison by amino acid analysis and assigned extinction coefficients. The Prostate. 1995 Oct 1;27(4):198-203.

Saikiran Kumar Kandukuri

Thanks Zahra. Will have a look into it.

Michael G. Weller

If you want to perform accurate amino acid analysis, the use of reference materials (e.g. NIST SRM 2389a) should be considered.

https://www.sigmaaldrich.com/catalog/product/sial/nist2389a?