Polymers In Medicine
Mostrando 13-22 de 22 artigos, teses e dissertações.
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13. Influencia da concentração de PCL-T em membranas de PLDLA : estudo in vitro e in vivo / Influence of the PCL-T concentration in PLDLA membranes : In vitro and in vivo study
Com o intuito de se obter um material polimérico adequado para aplicações na área médica, estudou-se a obtenção e caracterização do copolímero poli(L-co-DL ácido lático)(PLDLA) com adição de poli(caprolactona triol)(PCL-T). Membranas de PLDLA/PCL-T foram preparadas por evaporação de solvente nas composições 100/0, 90/10, 70/30 e 50/50 (m/m)
Publicado em: 2009
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14. Isolamento, identificação e suscetibilidade in vitro de leveduras isoladas da cavidade oral de fêmeas caninas / Isolation, identification and in vitro susceptibility test of yeasts from oral cavity of female canine
The aims of this study was the oral cavity evaluation of females stray dogs from Pelotas-RS, as well as yeast isolation and identification from three different areas of this cavity, comparison of two technique of sample collection (swabs and curettes) and test the in vitro susceptibility of isolated yeasts against common oral antiseptics used in pets. Fifty-
Publicado em: 2009
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15. Estudo da formação de rastos nucleares em polímeros / Study of the Nuclear Tracks Formation in Polymers
The research in the field of material modification with ion implantation has greately improved, stimulated by technological applications in biology, medicine, electronics and other related areas. One of the correlated aspects in understanding these new materials is the identification and characterization of the damage produced by ion beam irradiation. In thi
Publicado em: 2007
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16. Osteointegration of PLDLA/PCL blends : in vitro and in vivo study / Osteointegração de blendas de PLDLA/PCL : estudo in vitro e in vivo
Os polímeros bioreabsorvíveis apresentam grande potencial de uso biomédico, pois são geralmente, fáceis de processar e apresentam características mecânicas semelhantes aos dos materiais biológicos, como é o caso do poli(L-ácido lático) amplamente estudado nas últimas décadas. Uma maneira de modificar as propriedades de um homopolímero para apli
Publicado em: 2007
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17. Imunologic response (Th2/Th1) in mice BALB/c previously sensitized with ovalbumin and injected with microspheres of PLGA encapsulated with OVA / Modulação da resposta imunologica (Th2/Th1) em camundongos BALB/c previamente sensibilizados com ovalbumina e injetados com microesferas de PLGA encapsuladas com OVA
A imunoterapia é a estratégia empregada no tratamento das doenças alérgicas que, quando bem indicada, é considerada eficaz com redução dos sintomas. Apesar disso, uma das desvantagens é a possibilidade de surgirem reações sistêmicas adversas durante o tratamento. Dentro do contexto de inovação tecnológica, o surgimento da nanotecnologia oferece
Publicado em: 2006
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18. Hypoglycemic activity of polysaccharide fractions containing ß-glucans from extracts of Rhynchelytrum repens (Willd.) C.E. Hubb., Poaceae
ß-Glucans are soluble fibers with physiological functions, such as interference with absorption of sugars and reduction of serum lipid levels. The objective of the present study was to analyze the distribution of ß-glucans in different tissues of the African grass species Rhynchelytrum repens and also to evaluate their hypoglycemic activity. Leaf blades, s
Brazilian Journal of Medical and Biological Research. Publicado em: 2005-06
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19. Bacterial inactivation by using near- and supercritical carbon dioxide
The three most common methods of sterilization in use today are ethylene oxide exposure, γ-irradiation, and steam sterilization. Each of these methods has serious limitations for the sterilization of some materials used in medicine, especially thermally and hydrolytically sensitive polymers by themselves and in combination with proteins. In this work, we de
The National Academy of Sciences.
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20. Plaque Enhancement of Enteroviruses by Magnesium Chloride, Cysteine, and Pancreatin
Wallis, Craig (Baylor University College of Medicine, Houston, Tex.), Fred Morales, Joycelyn Powell, and Joseph L. Melnick. Plaque enhancement of enteroviruses by magnesium chloride, cysteine, and pancreatin. J. Bacteriol. 91:1932–1935. 1966.—Plaque formation of 21 echoviruses (types 1–6, 9, 13, 15–19, 23–26, 29–32) and 8 coxsackieviruses (B1–6
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21. Usnic Acid, a Natural Antimicrobial Agent Able To Inhibit Bacterial Biofilm Formation on Polymer Surfaces
In modern medicine, artificial devices are used for repair or replacement of damaged parts of the body, delivery of drugs, and monitoring the status of critically ill patients. However, artificial surfaces are often susceptible to colonization by bacteria and fungi. Once microorganisms have adhered to the surface, they can form biofilms, resulting in highly
American Society for Microbiology.
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22. Streptomycin and Infection of Escherichia coli by T6r+ Bacteriophage1
Freda, Celia E. (University of Pennsylvania School of Medicine, Philadelphia), and Seymour S. Cohen. Streptomycin and infection of Escherichia coli by T6r+ bacteriophage. J. Bacteriol. 92:1670–1679. 1966.—The thymineless, histidineless, uracil-less Escherichia coli 15 THU was shown to be sensitive to streptomycin, dying in patterns comparable to that of