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Science. 1982 Sep 3;217(4563):953-5.

Neuronal mapping: a photooxidation reaction makes Lucifer yellow useful for electron microscopy.

Abstract

Irradiation Lucifer yellow-filled neurons with intense blue light in the presence of 3,3'-diaminobenzidine produces an electron-opaque osmiophilic polymer within the injected cells. This technique is valuable when cobalt or horseradish peroxidase injections are difficult or when a second intracellular marker is needed to demonstrate neuronal contacts.

PMID:
7112109
[PubMed - indexed for MEDLINE]
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