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Biomedical subjects

U Schaarschmidt

Publications and source records attributed to U Schaarschmidt.

5 recordsLinked to original sources
PubMed2003

Origin of maternally transferred antibodies against rabies in foxes (Vulpes vulpes).

During previous experiments, maternal antibodies against rabies were detected in the sera of fox cubs whelped by orally immunised vixens. These antibodies appear to be transferred exclusively via the colostrum. No evidence of maternally transferred immunity in the form of immunoglobulin G was found in 80 fox embryos collected from 19 rabies-immune vixens originating from areas where oral rabies vaccine baits had been distributed.

Administration, Oral↗
PubMed2002

[Experiences with follow-up investigations of oral vaccination campaigns against rabies in foxes in Saxony with special emphasis on a standardised serology].

An 8-year experience with organisation and standardisation of follow-up investigations within oral vaccination campaigns against rabies in foxes (OVF) in Saxony is summarised. With respect to OVF, the number of diagnostic tests performed during the years 1992-2000 on foxes amounts to a total of 52,226 Fluorescence antibody-(FAT), 7,551 marker-(TC) and 11,645 serological tests. The mean bait-uptake and the mean immunisation rate in foxes ranged between 78-86% and 60-89%, respectively. Based on the seroconversion rates of the years 1997-2000 observed in vaccination areas and in areas where vaccination was already finished, experience with a standardised serology under routine conditions is presented and discussed. Furthermore, recommendations concerning organisation and logistics of sampling are given.

Administration, Oral↗
PubMed1996

First temporal and spatial quantification of single-shot electrohydraulic lithotripsy in vitro.

Single electrohydraulic lithotripsy (EHL) discharges from a human ureter were analyzed with a mechanical high-speed motion analysis camera. We found a cavitation bubble, at 650 mJ, 4-11 mm in size, with a lifetime of 400-500 microseconds. Varying sizes and lifetimes were found using single-shot analysis, as well as in different shot-sequences. This supports similar observations by recent investigations of cavitation bubble size with high-shutter-speed videofilm, which have depicted events at shutter speeds of 4000/s, i.e., an approximate exposure time of 250 microseconds. Due to the occurrence of high-voltage interference from the EHL high-voltage generator, no other technical electronic event timing equipment has so far been available capable of mechanical high-speed film motion analysis, while at the same time avoiding high-voltage interference.

Lithotripsy↗
PubMedDate not supplied

[Detection of border disease virus in a sheep flock in Saxony].

A pestivirus has been isolated from brain samples of two lambs suffering from clinical signs of border disease. The two identical isolates were allocated to the "true" border disease virus group concerning their reaction pattern with monoclonal antibodies and the 5'UTR sequence data. Nevertheless, alterations of phenotype and genotype in comparison with references of both BDV-subgroups have been shown. The existence of an infection with border disease virus in the flock has been confirmed by serological studies.

Animals↗