Dear Researchers, Which method for human serum zinc measurement is more accurate and valid?

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Joseph Enoghase

Atomic Absorption Spectrometry

Maryam Juma Yaseen

Use atomic absorption spectroscopy to analyze zinc in urine and blood.

Dipak Kumar Chattopadhyay

I had measured serum zinc by chelating with 5 Br-PAPS2-(-Bromo-2-pyridylazo) 5-(N-propyl-N-sulfopropylamino) phenol. The results were reproducible. My published Papers may be gone through in this regard.