Delocalization transitions of low-dimensional manifolds.
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Biomedical subjects
Publications and source records attributed to R Lipowsky.
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A household interview survey combined with a serological survey on the incidence of malaria attacks and prevalence of antibodies has been carried out in rural and urban areas of the pacific coast of Colombia. Additional information on people's knowledge, attitudes and behaviour towards malaria was collected by means of participant observation and informal interviews. The results show that people incorporate modern and traditional elements into their concepts of the disease and treatment strategies. The deficiencies of the official control programmes are shown from the people's point of view. Some human factors which influence malaria transmission are discussed and an estimate of the accuracy of self-diagnosis presented.
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Membranes composed of amphiphilic molecules are highly flexible surfaces that determine the architecture of biological systems and provide a basic structural element for complex fluids such as microemulsions. Physical theories have been developed to describe many aspects of their conformational behaviour, such as the preferred shapes and shape transformations of closed vesicles, and the shape fluctuations, random-surface configurations, and adhesion and unbinding of interacting membranes. Understanding of these phenomena has been much improved through fruitful interactions between theory and experiment.
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A study was carried out to obtain information on prevailing popular ideas and attitudes about cutaneous leishmaniasis and its treatment in an isolated endemic area on the Colombian Pacific Coast. Interviews were conducted with a representative sample of individuals from the community and with health agents. The formal survey covered 736 households, 332 of them in a rural area (where leishmaniasis is endemic) and 404 in the city of Buenaventura (where there is no transmission of the disease.) The results showed that cutaneous leishmaniasis is well known in the rural area. The people have names for it (ya-te-vi or bejuco), have an understanding of its etiology (although their interpretation differs from that accepted by the scientific community), and have developed methods for preventing and treating it. The popular understanding of the disease results in behavior directed toward its prophylaxis and treatment that shares many characteristics with Western medicinal practices. The traditional treatments should be taken into account in the application of measures to control the disease in that area.
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