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Importância da quiralidade e da estereoquímica na terapia antimicrobiana

Authors: Magalhães, Joana Cristina Anacleto;

Importância da quiralidade e da estereoquímica na terapia antimicrobiana

Abstract

A análise dos fármacos quirais justifica-se pelas diferenças a nível da toxicidade e da atividade biológica de dois enantiómeros, embora ambos apresentem características idênticas, como o mesmo ponto de ebulição, a densidade e a reatividade. Enquanto um enantiómero pode possuir uma atividade biológica benéfica, o outro pode ser inativo ou exercer outra atividade, capaz de resultar em efeitos adversos. A escolha entre estereoisómeros individuais ou misturas de estereoisómeros vai depender assim das vantagens terapêuticas associadas, dos possíveis efeitos adversos e dos custos de desenvolvimento. Verifica-se assim uma necessidade de avaliação contínua tanto dos novos fármacos quirais, como também dos já existentes no mercado. Este trabalho expõe a influência da isomeria em vários compostos utilizados na terapia antimicrobiana, nomeadamente os antibióticos, através da análise de diferentes misturas racémicas e dos seus enantiómeros.

Country
Portugal
Related Organizations
Keywords

Estereoisómeros, Chiral antibiotics, Estereoquímica, Antimicrobials, Mistura racémica, Stereoselectivity, Estereosseletividade, Diastereoisomers, Enantiomers, Stereochemistry, Antibióticos quirais, Racemic mixture, Stereoisomers, Diastereoisómeros, Enantiómeros, Chirality, Antimicrobianos, Quiralidade

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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