Determination of polyribosylribitol phosphate (PRP) in Haemophilus influenzae vaccine
Ion chromatography with pulsed amperometric detection
Haemophilus influenzae type B (Hib) is a major cause of bacterial meningitis in children in many countries. The capsular polysaccharide (PS) of Hib plays an important role in the virulence of the organism. Current methods to determine PS content in vaccines such as Hib are imprecise and unreliable, especially if the vaccine contains a sugar stabilizer (e.g. lactose).
Ion chromatography with pulsed amperometric detection (IC-PAD, or HPAEC-PAD) offers a simpler procedure and better sensitivity than other assays to quantify PS (in this white paper, polyribosylribitol phosphate [PRP]) in Hib vaccine.
Learn more in our white paper
This white paper explains what capsular polysaccharides (PS) are, how to analyse polysaccharides using HPAEC-PAD, and discusses quality parameters of conjugate vaccines.
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