oalib

Publish in OALib Journal

ISSN: 2333-9721

APC: Only $99

Submit

Any time

2020 ( 15 )

2019 ( 197 )

2018 ( 329 )

2017 ( 338 )

Custom range...

Search Results: 1 - 10 of 184560 matches for " Leonardo Fernandes de;Cury "
All listed articles are free for downloading (OA Articles)
Page 1 /184560
Display every page Item
Paralisia de Bell subsequente a ritidoplastia
Ramos, Cristiano d. Silveira;Almeida, Marcelo Wilson Rocha;Souza Aguiar, Leonardo Fernandes de;Cury, Marcelo Chemin;
Revista Brasileira de Cirurgia Plástica , 2011, DOI: 10.1590/S1983-51752011000200030
Abstract: introduction: the peripheral facial palsy is a disease that can leave significant aesthetical and functional sequelae in patients. according to medical literature, bell's palsy (bp) is the most common cause, representing from 50 to 80% of the cases. however, it must be considered as an exclusion diagnosis. a slightly higher prevalence is estimated in women and its incidence is bimodal with peaks in the third and eighth life decades. most patients recover within weeks, though a worsening degree may be common in the first 48 hours. treatment must be performed to prevent complications and the medical procedures are not universally accepted. the following have been mentioned as bp risk factors: arterial hypertension, mellitus diabetes, pregnancy, puerperium and infection caused by type i herpes virus. although there are several bp associated risk factors, regarding face-lifting surgery there is only one reported case in medical literature. case report: in the present study, the authors describe the second case of bell's palsy after face-lifting surgery.
Anestésicos locais: intera??o com membranas de eritrócitos de sangue humano, estudada por ressonancia magnética nuclear de 1H e 31P
Fraceto, Leonardo Fernandes;Paula, Eneida de;
Química Nova , 2004, DOI: 10.1590/S0100-40422004000100014
Abstract: the literature carries many theories about the mechanism of action of local anesthetics (la). we can highlight those focusing the direct effect of la on the sodium channel protein and the ones that consider the interaction of anesthetic molecules with the lipid membrane phase. the interaction between local anesthetics and human erythrocyte membranes has been studied by 1h and 31p nuclear magnetic resonance spectroscopy. it was found that lidocaine (ldc) and benzocaine (bzc) bind to the membranes, increase the mobility of the protons of the phospholipid's acyl chains, and decrease the mobility and/or change the structure of the polar head groups. the results indicate that lidocaine molecules are inserted across the polar and liquid interface of the membrane, establishing both electrostatic (charged form) and hydrophobic (neutral form) interactions. benzocaine locates itself a little deeper in the bilayer, between the interfacial glycerol region and the hydrophobic core. these changes in mobility or conformation of membrane lipids could affect the na+-channel protein insertion in the bilayer, stabilizing it in the inactivated state, thus causing anesthesia.
Anestésicos locais: intera o com membranas de eritrócitos de sangue humano, estudada por ressonancia magnética nuclear de 1H e 31P
Fraceto Leonardo Fernandes,Paula Eneida de
Química Nova , 2004,
Abstract: The literature carries many theories about the mechanism of action of local anesthetics (LA). We can highlight those focusing the direct effect of LA on the sodium channel protein and the ones that consider the interaction of anesthetic molecules with the lipid membrane phase. The interaction between local anesthetics and human erythrocyte membranes has been studied by 1H and 31P nuclear magnetic resonance spectroscopy. It was found that lidocaine (LDC) and benzocaine (BZC) bind to the membranes, increase the mobility of the protons of the phospholipid's acyl chains, and decrease the mobility and/or change the structure of the polar head groups. The results indicate that lidocaine molecules are inserted across the polar and liquid interface of the membrane, establishing both electrostatic (charged form) and hydrophobic (neutral form) interactions. Benzocaine locates itself a little deeper in the bilayer, between the interfacial glycerol region and the hydrophobic core. These changes in mobility or conformation of membrane lipids could affect the Na+-channel protein insertion in the bilayer, stabilizing it in the inactivated state, thus causing anesthesia.
Determination of Merremia cissoides leaf area using the linear measures of the leaflets
Carvalho, Leonardo Bianco de;Bianco, Silvano;Galati, Valéria Cury;Panosso, Alan Rodrigo;
Acta Scientiarum. Agronomy , 2011, DOI: 10.4025/actasciagron.v33i3.6379
Abstract: knowledge of the weed leaf area may give support to study the interference relationships between weeds and crops. the objective of this research was to determine a mathematical equation for m. cissoides leaf area estimation based on the relationship between the leaf blade linear measures. leaves of the species were collected from a variety of agroecosystems at s?o paulo state university, jaboticabal, s?o paulo state, brazil, measuring the length (l), maximum width (w) and real leaf blade area of the three kinds of leaflets. linear equations y = a x (x) were estimated for each kind of leaflet. the confidence intervals of the primary leaflet equation overlapped those ones from the secondary leaflet equation, and then only one equation was considered for these leaflets. so, an equation of principal leaflet plus that one of primary + secondary leaflets were used to determine the m. cissoides leaf area. thus, the leaf area of the species might be determined by the sum of the leaf areas of the principal leaflet with the primary + secondary leaflets, according to the equation laest = 0.501 x (x) + 2.181 x (z), where x indicates l x w of the principal leaflet and z indicates medium l x w of the primary + secondary leaflets, respectively.
Determination of Merremia cissoides leaf area using the linear measures of the leaflets = Determina o da área foliar de Merremia cissoides utilizando dimens es lineares dos folíolos
Leonardo Bianco de Carvalho,Silvano Bianco,Valéria Cury Galati,Alan Rodrigo Panosso
Acta Scientiarum : Agronomy , 2011,
Abstract: Knowledge of the weed leaf area may give support to study the interference relationships between weeds and crops. The objective of this research was to determine a mathematical equation for M. cissoides leaf area estimation based on the relationship between theleaf blade linear measures. Leaves of the species were collected from a variety of agroecosystems at S o Paulo State University, Jaboticabal, S o Paulo State, Brazil, measuring the length (L), maximum width (W) and real leaf blade area of the three kinds of leaflets. Linear equations Y = a x (X) were estimated for each kind of leaflet. The confidence intervals of the primary leaflet equation overlapped those ones from the secondary leaflet equation, and then only one equation was considered for these leaflets. So, an equation of principal leaflet plus that one of primary + secondary leaflets were used to determine the M. cissoides leaf area. Thus, the leaf areaof the species might be determined by the sum of the leaf areas of the principal leaflet with the primary + secondary leaflets, according to the equation LAest = 0.501 x (X) + 2.181 x (Z), whereX indicates L x W of the principal leaflet and Z indicates medium L x W of the primary + secondary leaflets, respectively. O conhecimento da área foliar de plantas daninhas pode auxiliar o estudo das rela es de interferência entre elas e as culturas agrícolas. O objetivo desta pesquisa foi determinar uma equa o matemática que estime a área foliar de Merremia cissoides, a partir darela o entre as dimens es lineares dos limbos foliares. Folhas da espécie foram coletadas de diferentes locais na Universidade Estadual Paulista, Jaboticabal, Estado de S o Paulo, Brasil, medindo-se o comprimento (C), a largura máxima (L) e a área foliar de três tipos de folíolos. Foram estimadas equa es lineares Y = a x (X) para cada tipo de folíolo. Houve sobreposi o dos intervalos de confian a das equa es dos folíolos primário e secundário, por isso considerou-seuma única equa o da média desses folíolos, além da equa o do folíolo principal, para caracteriza o da área foliar de M. cissoides. Assim, a área foliar dessa espécie pode ser estimada pelo somatório das áreas dos limbos foliares dos folíolos principal e primário + secundário, por meio da equa o AFest = 0,501 x (X) + 2,181 x (Z), em que X indica C x L do folíolo principal e Z indica C x L médios dos folíolos primário + secundário, respectivamente.
Protocolo de reabilita o para as reconstru es isoladas do ligamento cruzado posterior Rehabilitation protocol after isolated posterior cruciate ligament reconstruction
Ricardo de Paula Leite Cury,Henry Dan Kiyomoto,Gustavo Fogolin Rosal,Flávio Fernandes Bryk
Revista Brasileira de Ortopedia , 2012, DOI: 10.1590/s0102-36162012000400003
Abstract: Elaborar um protocolo de reabilita o pós-reconstru o do ligamento cruzado posterior (LCP) através de revis o da literatura. Foi realizada uma revis o da literatura em busca de dados referentes a conceitos e estudos biomecanicos relacionados com o ligamento cruzado posterior do joelho, utilizando-se os bancos de dados Medline e Embase. A estratégia de busca foi montada com a seguinte regra: problema ou les o, associado a termos de localiza o anat mica, procedimento de interven o cirúrgica associado a termos de reabilita o. Iniciamos o processo desta forma e posteriormente realizamos restri es a termos específicos para melhorar a especificidade da busca. Para confec o do protocolo, uma tabela foi construída para melhor direcionamento dos dados, com base no tempo decorrido do procedimento cirúrgico até o início da fisioterapia. Um protocolo de reabilita o foi criado para melhor controle da descarga de peso nas primeiras semanas com o auxílio de imobilizador de joelho. Objetivamos o ganho da amplitude de movimento total do joelho, que deve ser conseguido até o terceiro mês, evitando-se, assim, contraturas resultantes do processo de cicatriza o tecidual. Os exercícios de fortalecimento e treino sensório-motor foram orientados de acordo, evitando-se sobrecarga sobre o enxerto e respeitando os períodos de cicatriza o do mesmo. O protocolo proposto nesta revis o foi enquadrado dentro das evidências atuais sobre o assunto. To create a rehabilitation protocol following reconstruction of the posterior cruciate ligament (PCL), through a literature review. The literature review was conducted in the Medline and Embase databases, to search for data on biomechanical concepts and analyses relating to the posterior cruciate ligament of the knee. The search strategy was set up using the following rules: problem or injury in association with anatomical location terms; or surgical intervention procedure in association with rehabilitation terms. We began the process in this manner and subsequently introduced restrictions on certain terms to improve the search specificity. To design the protocol, a table was created for better data assessment, based on the time that elapsed between surgery and the start of physiotherapy. A rehabilitation protocol was created to improve weight-bearing control in the initial weeks after surgery, with the aid of a knee brace. Our aim was to achieve gains in total range of motion of the knee, which should be attained by the third month, thereby avoiding contractures resulting from the tissue healing process. Strengthening exercises and
Anestésicos locais: intera??o com membranas biológicas e com o canal de sódio voltagem-dependente
Araujo, Daniele Ribeiro de;Paula, Eneida de;Fraceto, Leonardo Fernandes;
Química Nova , 2008, DOI: 10.1590/S0100-40422008000700032
Abstract: many theories about the mechanism of action of local anesthetics (la) are described in the literature. two types of theories can be distinguished: those that focus on the direct effects of la on their target protein in the axon membranes, i.e. the voltage-gated sodium channel and the ones that take into account the interaction of anesthetic molecules with the lipid membrane phase for the reversible nerve blockage. since there is a direct correlation between la hydrophobicity and potency, it is crucial to take this physico-chemical property into account to understand the mechanism of action of la, be it on the sodium channel protein, lipid(s), or on the whole membrane phase.
Effects of Gabaergic Phenols on Phospholipid Bilayers as Evaluated by 1H-NMR  [PDF]
Gabriela N. Reiner, Leonardo Fernandes Fraceto, Eneida de Paula, María A. Perillo, Daniel A. García
Journal of Biomaterials and Nanobiotechnology (JBNB) , 2013, DOI: 10.4236/jbnb.2013.43A004
Abstract:

The phenols propofol and thymol, and lately carvacrol, eugenol and chlorothymol, have been shown to act as positive allosteric modulators on GABAA receptor, which is the main inhibitory receptor of the central nervous system. GABAA receptor is an intrinsic membrane protein which activity may be affected by surface-active compounds and by physical changes in the membrane. Recently, we demonstrated that these phenols interacted with the lipid membrane phase, suggesting their anesthetic activity could be the combined result of their specific (with receptor proteins) as well as nonspecific (with surrounding lipid molecules) interaction modulating the supramolecular organization of the receptor environment. In the current study, by using 1H-NMR spectroscopy, we have investigated the effects of the insertion and the possible preferential location of the five phenol derivatives with GABAergic activity on EPC membranes. The results indicate that all compounds are able to insert in EPC phospholipid vesicles and to locate in the region between the polar group (choline molecule), the glycerol and the first atoms of the acyl chains, being the more lipophilic compounds (propofol and chlorothymol) that seem to prefer a deeper bilayer insertion. The location of the phenol molecules would reduce the repulsive forces among phospholipids head groups allowing closer molecular packing and finally diminishing the mobility of the hydrocarbon chains, as revealed by 1H spin relaxation times.

Graduate Courses in Occupational Therapy and International Classification of Functioning, Disability and Health  [PDF]
Ana Rita Costa de Souza Lobo Braga, Leonardo Petrus da Silva Paz, Vera Regina Fernandes da Silva Mar?es
Creative Education (CE) , 2015, DOI: 10.4236/ce.2015.617197
Abstract: The formation of Occupational Therapists has become the subject of analysis and debate in recent decades after several changes in health policies in Brazil, among them the implementation of the National Curriculum Guidelines (NCGs) directing teaching practices in line with the Health Unic System and International Classification of Functioning, Disability and Health (ICF). Given these paradigms, the Occupational Therapy courses passed with several adjustments in their course of pedagogical political projects (PPPs) and their teaching practices. The study’s goal was to characterize the Occupational Therapy courses and analyze their PPPs focusing on changes in the health care model and the inclusion of ICF. The research was exploratory and was conducted through documentary analysis. By 2013 there were 63 occupational therapy courses working in the country, 44 in private institutions and 19 in public, demonstrating a lack of supply in public. The Occupational Therapy courses are still guided by the biomedical model, and the applicability of the ICF as well as the insertion of the biopsychosocial model are incipient in teaching practice.
Caso para diagnóstico
Fernandes, Nurimar Concei??o;Andrade, Leonardo Ribeiro de;
Anais Brasileiros de Dermatologia , 2010, DOI: 10.1590/S0365-05962010000100020
Abstract: reticulate acropigmentation of dohi is a rare dyschromic disorder of autosomal dominant inheritance. most cases have been originally described in japan. the case of a girl with lesions of typical distribution and morphology is reported. skin biopsy was not considered essential for diagnosis. after literature review, it was concluded that this is the third case of the disorder reported in brazil.
Page 1 /184560
Display every page Item


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.