Recovery of protein from tear fluid stored in cellulose sponges
作者:
van AgtmaalEric J.,
van HaeringenNicolaas J.,
BloemMartin W.,
SchreursWil H.P.,
SaowakonthaSastri,
期刊:
Current Eye Research
(Taylor Available online 1987)
卷期:
Volume 6,
issue 4
页码: 585-588
ISSN:0271-3683
年代: 1987
DOI:10.3109/02713688709025217
出版商: Taylor&Francis
数据来源: Taylor
摘要:
Human tear fluid collected in glass capillaries was absorbed in cellulose sponges. After various time intervals the recovery was measured for total protein, amylase (AMY), lysozyme (LZM), immunoglobulin A (IgA) and lactoferrin (LF). After one day storage at 4°C of moistened sponges of at least 92% recovery was observed. Storage for longer periods at 4°C up to seven days showed a decreasing recovery for total protein, AMY and IgA. Tear collection with sponges and storage of wet sponges for maximally one day at 4°C followed by centrifugation or storage of the fluid at-20°C are reliable ways of sample treatment.
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