Cerebrospinal fluid (CSF) investigations

see also the Cerebral Folates Deficiency (CFD) Home Page
http://www.folates.com

Sampling
Discard the first 0.5 ml of CSF and collect the next 1-3 ml in a small tube. Keep immediately frozen at -70°C. There is no need for any additives or to collect additional CSF fractions.

Keep a portion of 1 ml CSF frozen at -70°C in your own laboratory until results arrive.

Pitfalls
avoid medications, avoid blood contamination (centrifuge before freezing), keep in dark at -70°C

Send CSF on dry ice, preferably by FedEx, to:

Prof. Dr. Nenad Blau
Division of Clinical Chemistry and Biochemistry
University Children's Hospital
Steinwiesstrasse 75
CH-8032 Zürich
Switzerland
Tel.: +41 44 266 7544
Fax: +41 44 266 7169
Email: nenad.blau @ kispi.unizh.ch

We need 1 ml of CSF for the following tests:
5-Methyl-tetrahydrofolate (5MTHF)
Homovanillic acid (HVA) and 5-Hydroxyindoleacetic acid (5HIAA)
Neopterin and Biopterin
Amino acids (incl. Homocysteine)

Turnaround time
Weekly

Prices
5-Methyl-tetrahydrofolate (CHF 80.-)
Homovanillic acid (CHF 80.-) and 5-Hydroxyindoleacetic acid (CHF 80.-)
Neopterin (CHF 50.-) and/or Biopterin (CHF 80.-)
Amino acids (CHF 200.-)
Homocysteine (CHF 80.-)

Ask for services and prices on research basis.

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