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--></style><title>Re: [RASMB] refractive index
increment</title></head><body>
<div>Hi Faith,</div>
<div><br></div>
<div>In the following reference</div>
<div><br></div>
<div><font face="Times" color="#000000">Theisen, A., C. Johann, M. P.
Deacon, and S. E. Harding. 2000. Refractive Increment Data Book.
Nottingham: Nottingham University Press.</font></div>
<div><font face="Times" color="#000000"><br></font></div>
<div>There is a value for pneumococcal capsule in phosphate buffer at
633 nm, 30°C: dn/dc = 0.130-0.139 ml/g</div>
<div><br></div>
<div>The original reference is Bednar and Hennessey (1993),
Carbohydrate Research, vol 243, p 115.</div>
<div><br></div>
<div>There was nothing, however, for S. aureus capsular
polysaccharides explicitly, but you might be able to come up with a
figure from some of the data for many other polysaccharides listed in
the book. If you know the composition, I would be happy to look
them up for you. That said, the book does not have data for e.g.
teichoic acid, N-acetylfucosamine or N-acetylgalactosaminouronic acid
so I'm not sure if it will have data that will be relevant. In
any case, I hope this is helpful to you.</div>
<div><br></div>
<div>Best wishes-</div>
<div>Olwyn Byron</div>
<div><br></div>
<blockquote type="cite" cite>Hello,<br>
<br>
Does anyone know where I could find the refractive index increment for
S. aureus capsular polysaccharides?<br>
<br>
Thank you,<br>
Faith Coldren<br>
<br>
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