Elisabet Holst

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Cumene and n-propanol, model substances for alcohols and alkylbenzenes, were investigated for sensory irritation in mice. The concentrations within the first 2 min. depressing the respiratory rate by 50% due to the effect in the upper respiratory tract were 2,058 p.p.m. and 22,080 p.p.m., respectively. Activation of the sensory irritant receptor followed(More)
During a 3-year period, all Pasteurella strains recovered at the Clinical Microbiological Laboratory, Lund, Sweden, were studied biochemically with respect to their relationship to the recently described taxa of this genus. Of 159 strains recovered from 146 infected humans, 95 were identified as Pasteurella multocida subsp. multocida, 21 as Pasteurella(More)
OBJECTIVE To describe bacterial colonization in patients with ileal and colonic neobladders. METHODS Twenty-three patients with right colon neobladders, 30 with ileal neobladders, 11 who had undergone radical prostatectomy, and 6 healthy controls were included. Culture of clean-catch, midstream urine specimens was done weekly for 3 weeks, and this was(More)
Propionibacterium acnes is a common and probably underestimated cause of delayed joint prosthesis infection. Bacterial biofilm formation is central in the pathogenesis of infections related to foreign material, and P. acnes has been shown to form biofilm both in vitro and in vivo. Here, biofilm formation by 93 P. acnes isolates, either from invasive(More)
A prospective study was performed involving 101 women who consecutively attended a primary health care unit for complaints of genital malodour and/or abnormal vaginal discharge. Bacterial vaginosis was diagnosed in 34 women on the basis of four diagnostic criteria: vaginal pH > 4.7, homogeneous vaginal discharge, a positive amine test and clue cells. The(More)
The propene derivatives, allyl acetate, allyl alcohol, allyl ether, and acrolein were investigated for their property as sensory irritant in Ssc:CF-1 mice. The concentration of the chemicals necessary to depress the respiratory rate by 50% ( RD50 ) due to sensory irritation of the upper respiratory tract were 2.9, 3.9, 5.0 and 2.9 p.p.m., respectively. The(More)
After cessation of the sensory irritation response, described in part one (Nielsen et al. 1985), a mixed response due to pulmonary irritation and anaesthesia appeared, resulting a decrease in respiratory rate and tidal volume. The corresponding thresholds were 1490 p.p.m. and 1280 p.p.m., respectively, obtained from the last half hour of a four hours(More)
The sensory irritating response of propyl ether, measured as a decrease in respiratory rate in mice, faded within one minute. The threshold was 620 p.p.m., calculated from the concentration-response curve, which had a low slope. The sensory irritating level depressing the respiratory rate to 50 per cent (RD-50 = 89,000 p.p.m.) could not be reached with(More)
Leg ulcers of venous origin represent a disease affecting 0.1-0.2% of the population. It is known that almost all chronic ulcers are colonized by different bacteria, such as staphylococci, enterococci and Pseudomonas aeruginosa. We here report that P. aeruginosa, expressing the major metalloproteinase elastase, induces degradation of complement C3, various(More)
The vaginal microflora of 49 women in idiopathic preterm labor was compared with that of 38 term controls to determine whether the presence of bacterial vaginosis (BV) and/or specific microorganisms would influence the rate of preterm delivery. Demographic factors, pregnancy outcome, and reproductive history were also studied. BV, as defined by the presence(More)