Abstract |
A microgravimetry apparatus is described which utilizes osmotically-balanced Percoll gradients produced by a computer-driven low pressure gradient system. A plexiglass reservoir was designed to minimize parallax artifacts while allowing repeated measurements and easy retrieval of groups of 20 samples. This system provides inert and nontoxic gradients with profile flexibility, reproducibility, and longevity when used for the routine gravimetric measurement of edema in 30-mg central nervous system tissue fragments.
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Authors | S J Karlik, J H Noseworthy |
Journal | Stroke
(Stroke)
1987 May-Jun
Vol. 18
Issue 3
Pg. 661-4
ISSN: 0039-2499 [Print] United States |
PMID | 3590259
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
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Topics |
- Animals
- Body Water
(metabolism)
- Brain Edema
(metabolism)
- Calibration
- Computers
- Equipment Design
- Hemoglobins
(metabolism)
- Neurology
(instrumentation, methods)
- Rabbits
- Specific Gravity
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