High performance anion exchange chromatographic and colorimetric methods for quality assessment of total and free polysaccharide content in Haemophilus influenzae type b conjugate vaccine containing lactose

Author:

Hussein Asmaa R.1ORCID,Rezk Mamdouh R.2,Fathalla Faten Abdel Aziz1,El-Saharty Yasser S.2,Nadim Ahmed H.2

Affiliation:

1. National Organization for Research and Control of Biologicals, Egypt

2. Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, 11562 Cairo, Egypt

Abstract

Ultrafiltration or dialysis was used as sample pretreatment to remove 95% of lactose. Free PRP was separated using SPE, and then total and free PRP were analyzed using HPAEC-PAD (ribitol determination) and a colorimetric assay (phosphorus determination).

Publisher

Royal Society of Chemistry (RSC)

Subject

General Engineering,General Chemical Engineering,Analytical Chemistry

Reference27 articles.

1. R. W.Ellis and D. M.Granoff , Development and Clinical Uses of Haemophilus b Conjugate Vaccines , Informa Health Care , 1994 , vol. 11

2. Decline of Childhood Haemophilus influenzae Type b (Hib) Disease in the Hib Vaccine Era

3. Epidemiology of Haemophilus influenzae Type b Infections

4. In European Pharmacopoeia , 2020

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