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Biomedical subjects

A Tosti

Publications and source records attributed to A Tosti.

At least 307 records · Page 17Linked to original sources
PubMed1983

Virological course of herpes zoster in otherwise normal hosts.

The virological course of herpes zoster infection in 42 otherwise normal hosts was studied by virus isolation and antibody titration. Varicella-zoster virus (VZV) was isolated from vesicle fluid from all three patients examined on the first day of the vesicular eruption and from five out of six examined on the second day. The isolation rate fell to one out of six patients on the seventh day of illness and VZV was not isolated from patients at a later stage of the illness. IgG antibodies were detected by IFAMA and ELISA, in sera from all the patients by the end of the first week of illness; IgG antibody titres were highest during the second and the third weeks. IgM antibodies to VZV were detected in sera from six of the 42 patients with herpes zoster after fractionation by ion-exchange chromatography.

Adult↗
PubMed1980

Non-gonococcal urethritis: epidemiological and etiological study in Italy.

The Authors report the results of a study on the etiology of non-gonococcal urethritis (NGU) carried out on 180 male patients with NGU and on 50 healthy volunteers matched for age and sex. Chlamydia trachomatis infection was proven by culture in 54 (30%) of the NGU-patients and in none of the healthy controls. Ureaplasma urealyticum was recovered from men both with and without urethritis. Bacteria other than C. trachomatis were not found in NGU-patients in a significant percentage. All C. trachomatis-positive NGU-patients presented antibodies against C. trachomatis, by indirect fluorescence, while only 54% of C. trachomatis-negative NGU-patients and 22% of healthy volunteers, were positive. A further serological screening of 78 women with no history of urethritis or cervicitis and 44 children less than 10 years of age was carried out in order to investigate the prevalence of serum antibodies against C. trachomatis in groups of healthy population in Italy.

Adolescent↗
PubMed1977

A ballistometer for the study of the plasto-elastic properties of skin.

The ballistrometer is based on the "drop impact" of a body onto a stationary surface. A collision in one dimension is provoked by allowing a hard body to drop from a given height onto the skin surface to be tested. After the collision, the impacting body undergoes a variable number of rebounds decreasing in amplitude. By measuring the height of the rebounds, the amount of energy returned by the tissue is calculated in terms of coefficient of restitution e. The equipment, consisting of a hammer unit, a feeder-amplifier, and a plotter, is described. Ballistometry has been carried out on skin areas of 46 normal subjects ranging in age from 8 to 80 years, as well as on pathologic and cadaveric skin. The results show a progressive decrease of e with advancing age, as well as differences related to various skin regions. The tests performed on pathologic skin showed a lowered e in epidermal hyperplasia, hyperkeratosis, sclerosis, and dermal infiltration. An increase of e was observed when a high water content was present in the skin.

Adolescent↗