| glutaraldehyde | <chemical> A dialdehyde used as a fixative, especially for electron microscopy. By its interaction with amino groups (and others) it forms cross links between proteins. (18 Nov 1997) |
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| glutaraldehyde fixative | A fixative used in phosphate or cacodylate buffer for electron microscopy, and as a chromatin and enzyme fixative; may be used preceding osmic acid as a second fixative to add membrane preservation for electron microscopy. (05 Mar 2000) |