Related Experiment Video
Updated: Jan 31, 2026

Head Implants for the Neuroimaging of Awake, Head-Fixed Rats
Published on: September 7, 2022
Fluorometric detection of implantation sites in rats
Abstract:
A new fluorescent technique is proposed for detecting implantation sites in the rat, based on the binding capacity of tetracycline. Both intraluminal (20 microgram/kg) and intravenous (8.3 mg/kg) administrations of tetracycline permit the macroscopic visualization (under 366 nm of ultraviolet light) of implantation sites, since they show a lower fluorescence (LFS) than the remaining endometrium (FS). Greater binding of tritiated tetracycline was observed in nonimplantation sites (176 to 56 x 10(3) dpm/mg protein) than in implantation sites (P < 0.05).
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