Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Timol"”.
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Efeitos cronotropico e inotropico negativos induzidos pelo timol em ratos espontaneamente hipertensos
Thymol is a monoterpene present in the constitution of the essential oils of many plants and is well known for its broad spectrum antimicrobial activity and is also reported in the literature their activities on the cardiovascular system . Therefore , this study aimed to evaluate the chronotropic …
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Desenvolvimento de método cromatográfico via CLAE-UV, para controle de qualidade do fitoterápico, tintura de Alecrim-Pimenta, produzido pelas Farmácias Vivas no Brasil
… e feridas, sendo o seu princípio ativo o timol. O projeto foi motivado pela falta de relatos na literatura de um método validado para a padronização deste princípio ativo no fitoterápico. O método desenvolvido utiliza, para o preparo de amostra, a extração em fase sólida (SPE) com um …
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Estudio de los parámetros fisicoquímicos de los complejos de timol, carvacrol y linalol en ciclodextrinas y evaluación del efecto de la complejación en su actividad amtimicrobiana.
… la presencia de terpenos, entre ellos timol, carvacrol y linalol, que ejercen una marcada influencia sobre las propiedades biológicas que se les atribuyen. Si bien diferentes estudios han evidenciado la potencial actividad antifúngica, antimutagénica, anticancerígena, antiviral, …
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Plantas neotropicais como fonte de inspiração para novos inseticidas no controle de Euschistus heros
… gesnerioides e Siparuna guianensis), do timol (uma molécula isolada de plantas) e de um triazol semissintético derivado da piperina, contra ninfas de terceiro ínstar de E. heros. O estudo foi dividido em dois capítulos. No primeiro, foi avaliado o efeito letal dos dois óleos essenciais de …
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Investigação da atividade tocolítica do óleo essencial de Lippia microphylla Cham. (Verbenaceae) e dos seus constituintes majoritários, carvacrol e timol, em útero de rata.
ABSTRACT From leaves of Lippia microphylla Cham. (Verbenaceae) was extracted the essential oil (LM - OE), which has carvacrol and thymol as major constituents . The aim of this work was to investigate and to characterize the tocolytic effect of LM - OE on rat uterus, as well as to verify if this …
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Influencia de tratamientos combinados de calor y antimicrobianos naturales en la viabilidad de distintos microorganismos
… de hierbas aromáticas y especias (carvacrol y timol). Los resultados obtenidos en esta Tesis Doctoral, junto con los modelos matemáticos utilizados, evidencian la posibilidad de desarrollar y optimizar tratamientos térmicos combinados con antimicrobianos naturales, que permitan a la industria …
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Envases activos con B-ciclodextrinas para liberación de agentes antimicrobianos naturales en alimentos de IV gama.
… plantas que contienen compuestos naturales como timol y carvacrol, los cuales presentan una amplia actividad frente a microorganismos patógenos, incluidas especies gram negativas y gram positivas; así como las levaduras y los mohos, son muy atractivos para su aplicación en la industria …
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The relationship between elevated night-time Glucocorticoid activity and dreaming: a perspective on sleep-dependent memory consolidation
Background. The consolidation of episodic memory is particularly vulnerable to fluctuations in glucocorticoid levels, both during wakefulness and during sleep. Corticosteroid exposure is associated with changes in endogenous glucocorticoid activity, sleep disruption, episodic memory impairment, and …
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Modelling and validation of bacterial O-antigen conformations: ring puckering in Shigella flexneri 7a and 7b O-antigens as a case study
This work forms part of a larger project investigating the conformation and dynamics of Shigella flexneri O-antigens. S. flexneri is a leading cause of diarrhoeal related diseases, especially in Sub-Saharan Africa and Southeast Asia. There are over 30 S. flexneri serotypes and, with the exception …
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Chemical and conformational studies of bacterial cell surface polysaccharide repeating units
Abstract Bacterial cell surface polysaccharides are primarily present as lipopolysaccharides or capsular polysaccharides. They are used by cells for both structure and function and have been shown to be a virulence factor of bacterial pathogens. Cell surface polysaccharides are widely utilised as …
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Aphasia and the presence of language in dreams
A study was done to ascertain the presence of dreams and the quality of language in dreams in patients with aphasia. 24 aphasic subjects were interviewed using Kagan's (1998) Supported Conversation for Adults with Aphasia (SCA) technique of communication. The main hypothesis investigated was that …
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Makkan and Madinan revelations. A comparative study
This thesis aims to provide an in-depth study of the Makkan and Madinan revelations of the Qur'dn in terms of structure, themes, linguistic, stylistic and textual analysis of the sikas. The main objective of these analyses is to make the contents of the Qur'dn more accessible and easy to understand …
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Control de ácaros contaminantes del jamón Ibérico
… y de algunos de sus principios activos (linalol, timol, acetato de linalilo, ¥á-terpineol, ¥ã-terpineno y carvacrol), pero en este ultimo supuesto tanto por inhalacion como por contacto directo, valorando la eficacia de su empleo sobre muestras de jamon contaminado y, asimismo, su posible …