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An inaugural dissertation on the perspirable fluids of the human bodyWalker, Richard L. January 1802 (has links)
Thesis (M.D.) -- Columbia College, 1802. / Microform version available in the Readex Early American Imprints series.
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The hydrogen ion and ash of human sweat produced by heat and work ...Talbert, George Addison. January 1900 (has links)
Thesis (PH. D.)--University of Chicago, 1921. / "Private edition, distributed by the University of Chicago Libraries, Chicago, Illinois." "Reprinted from the American journal of physiology, vol. 50, no. 3, Dec., 1919; vol. 61, no. 3, Aug., 1922; and vol. 63, no. 2, Jan. 1923." Bibliography: p. 442, 500, 357. Also available on the Internet.
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The use of sweating responses during stress in the diagnosis of psychiatric diseaseLearmonth, George James January 1958 (has links)
Thesis (M.D.)—Boston University
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Avaliação do desempenho em equinos suplementado com coenzima Q10 / Performance evaluation of equines supplemented with Coenzyme Q10Sanchez, Paulo José 17 December 2014 (has links)
Com o objetivo de se investigar o efeito da suplementação de coenzima Q10 sobre o desempenho de equinos em treinamento aeróbio, foram utilizados dez equinos do sexo masculino, castrados, da raça Puro Sangue Árabe, com idade de 48±8,15 meses e peso 473±34,75 kg, divididos em grupo controle (GC) e grupo suplementado (GS). O experimento foi conduzido no Laboratório de Pesquisa em Alimentação e Fisiologia do Exercício de Equinos (LABEQUI), pertencente à FMVZ-USP, no Campus Administrativo de Pirassununga, São Paulo, adotando-se o consumo diário individual de 2% do peso corpóreo, com base na matéria seca, sendo 50% de volumoso composto por feno de gramínea e 50% de concentrado comercial. Os animais inseridos no grupo suplementado (GS) receberam individualmente a inclusão diária de 800mg de coenzima Q10 adicionado à dieta de concentrado durante os 90 dias de experimento. Todos os animais foram exercitados cinco vezes por semana, durante sessenta minutos, na velocidade máxima de 15 km/h, em exercitador circular mecânico para cavalos, controlado eletronicamente. Durante o experimento foram realizados análise hematológica e bioquímica (AST, CK e LDH), mensuração da curva de glicose e de lactato, monitoramento da frequência cardíaca e sudorese dos equinos. Foi utilizado o delineamento inteiramente casualizado com medidas repetidas no tempo, com dados estatisticamente significantes sendo submetidos à análise de regressão. Através das análises hematológicas, bioquímicas, da curva glicose e de lactato, pode-se observar a higidez e a adaptação dos animais frente ao protocolo de treinamento. O grupo suplementado apresentou efeito de tratamento para a enzima creatinaquinase, e apresentou menor oscilação da frequência cardíaca e da taxa de sudação. Conclui-se que a suplementação de equinos atletas com coenzima Q10 submetidos a exercício aeróbio influenciou no desempenho atlético dos cavalos / With the goal of investigating the effect of Coenzyme Q10 supplementation on the performance of equines subject to aerobic exercise, ten pure Arabian geldings, aged 48±8,15 months and weighing 473±34,75 kg were divided into control group (GC) and supplemented group (GS). The experiment was performed at LABEQUI - Equine Nutrition and Exercise Physiology Research Laboratory, which belongs to FMVZ - USP, School of Veterinary Medicine and Animal Science of USP (São Paulo University), which belongs to Campus Pirassununga. Individual intake of food was considered 2% of body weight, of which 50% corresponded to grass hay and 50% to commercial pelleted concentrate. The horses in the supplemented group (GS) received a daily inclusion of 800 mg of coenzyme Q10, added to the concentrated food during the 80 days of the experiment. All animals were exercised five days per week, during sixty minutes, at a top speed of 15 km/h, in a electronically controlled circular mechanical walker. During the experiment, blood tests and biochemical analysis (AST, CK, and LDH) were conducted, as well as measurements of glucose and lactate curves and monitoring of heart frequency and perspiration. The method used was totally casual lineation with measures repeated in time, with statistically significant data being submitted to regression analysis. Animals’ healthiness and adaptation to the training protocol could be observed through hematological and biochemical analysis and glycemic and lactate curves. The supplemented group showed a treatment effect for the enzyme creatinekinase, and showed less fluctuation in heart rate and sweating rate.. It was concluded that supplementation with coenzyme Q10 of equine athletes submitted to aerobic exercise had a positive effect on the athletic performance of the horses
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Avaliação do desempenho em equinos suplementado com coenzima Q10 / Performance evaluation of equines supplemented with Coenzyme Q10Paulo José Sanchez 17 December 2014 (has links)
Com o objetivo de se investigar o efeito da suplementação de coenzima Q10 sobre o desempenho de equinos em treinamento aeróbio, foram utilizados dez equinos do sexo masculino, castrados, da raça Puro Sangue Árabe, com idade de 48±8,15 meses e peso 473±34,75 kg, divididos em grupo controle (GC) e grupo suplementado (GS). O experimento foi conduzido no Laboratório de Pesquisa em Alimentação e Fisiologia do Exercício de Equinos (LABEQUI), pertencente à FMVZ-USP, no Campus Administrativo de Pirassununga, São Paulo, adotando-se o consumo diário individual de 2% do peso corpóreo, com base na matéria seca, sendo 50% de volumoso composto por feno de gramínea e 50% de concentrado comercial. Os animais inseridos no grupo suplementado (GS) receberam individualmente a inclusão diária de 800mg de coenzima Q10 adicionado à dieta de concentrado durante os 90 dias de experimento. Todos os animais foram exercitados cinco vezes por semana, durante sessenta minutos, na velocidade máxima de 15 km/h, em exercitador circular mecânico para cavalos, controlado eletronicamente. Durante o experimento foram realizados análise hematológica e bioquímica (AST, CK e LDH), mensuração da curva de glicose e de lactato, monitoramento da frequência cardíaca e sudorese dos equinos. Foi utilizado o delineamento inteiramente casualizado com medidas repetidas no tempo, com dados estatisticamente significantes sendo submetidos à análise de regressão. Através das análises hematológicas, bioquímicas, da curva glicose e de lactato, pode-se observar a higidez e a adaptação dos animais frente ao protocolo de treinamento. O grupo suplementado apresentou efeito de tratamento para a enzima creatinaquinase, e apresentou menor oscilação da frequência cardíaca e da taxa de sudação. Conclui-se que a suplementação de equinos atletas com coenzima Q10 submetidos a exercício aeróbio influenciou no desempenho atlético dos cavalos / With the goal of investigating the effect of Coenzyme Q10 supplementation on the performance of equines subject to aerobic exercise, ten pure Arabian geldings, aged 48±8,15 months and weighing 473±34,75 kg were divided into control group (GC) and supplemented group (GS). The experiment was performed at LABEQUI - Equine Nutrition and Exercise Physiology Research Laboratory, which belongs to FMVZ - USP, School of Veterinary Medicine and Animal Science of USP (São Paulo University), which belongs to Campus Pirassununga. Individual intake of food was considered 2% of body weight, of which 50% corresponded to grass hay and 50% to commercial pelleted concentrate. The horses in the supplemented group (GS) received a daily inclusion of 800 mg of coenzyme Q10, added to the concentrated food during the 80 days of the experiment. All animals were exercised five days per week, during sixty minutes, at a top speed of 15 km/h, in a electronically controlled circular mechanical walker. During the experiment, blood tests and biochemical analysis (AST, CK, and LDH) were conducted, as well as measurements of glucose and lactate curves and monitoring of heart frequency and perspiration. The method used was totally casual lineation with measures repeated in time, with statistically significant data being submitted to regression analysis. Animals’ healthiness and adaptation to the training protocol could be observed through hematological and biochemical analysis and glycemic and lactate curves. The supplemented group showed a treatment effect for the enzyme creatinekinase, and showed less fluctuation in heart rate and sweating rate.. It was concluded that supplementation with coenzyme Q10 of equine athletes submitted to aerobic exercise had a positive effect on the athletic performance of the horses
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Arm sweat mineral loss and total body mineral determinations in preadolescent boysHarrison, Marian Edwards January 1975 (has links)
M.S.
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Nouvelle approche de suivi non invasif de l'alcoolémie par perspiration à l'aide de multicapteurs MOX / New approach to non-invasive monitoring of alcohol by perspiration using MOX multi-sensorsLawson, Bruno Latevi 13 December 2018 (has links)
Nous proposons dans le cadre de ce travail de thèse, une nouvelle approche de la détection non invasive de l’alcoolémie sanguine à l’aide de microcapteurs d’éthanol à base de SnO2. Cette méthodologie se base sur une détection indirecte de l’alcoolémie sanguine par une mesure des vapeurs d’éthanol émises par la perspiration cutanée suite à une consommation d’alcool. Afin de valider cette approche, il a fallu dans un premier temps démontrer la pertinence et la faisabilité de cette méthodologie de détection par la réalisation d’essais cliniques pilotes en collaboration avec une équipe médicale d’étude pharmacologique du CPCET Marseille. Les différentes mesures du taux d’éthanol réalisées dans les fluides biologiques tels que le sang et l’air expiré ont pu être précisément corrélées avec les mesures de vapeurs d’éthanol réalisées à travers la perspiration à l’aide de trois microcapteurs de gaz commerciaux à base d’oxydes métalliques intégrés à un bracelet. Ces dispositifs ont l’avantage d’être sensibles mais pas sélectifs à la nature du gaz détecté. Durant ces travaux, des couches sensibles de SnO2 ont été déposées par pulvérisation cathodique RF magnétron réactive sur un transducteur breveté par notre équipe, intégrant trois capteurs sur une même puce. L’optimisation des paramètres de dépôt et les analyses structurales des couches de SnO2, nous ont permis de réaliser un multicapteur d’éthanol démontrant des performances sous éthanol ; en termes de sensibilité sous atmosphère humide, de répétabilité et de temps de réponses et de recouvrement ainsi que du point de vue sélectivité / A new approach of a noninvasive detection of blood alcohol concentration using ethanol microsensors based on SnO2 Is developed in this work. The methodology is based on an indirect detection of blood alcohol concentration by measuring the ethanol vapor emitted through the skin perspiration after alcohol consumption. In order to validate this approach, first we demonstrated the relevance and the feasibility of this detection method by carrying out pilot clinical trials in collaboration with a medical team of pharmacological study of CPCET Marseille. The different measurements of the ethanol concentration carried out in biological fluids such as blood and exhaled air could be precisely correlated with the measurements of ethanol vapors performed through the perspiration using three commercial gas microsensors based on metal oxides integrated into a bracelet. . These devices have the advantage of being sensitive but not selective to the nature of the gas detected. During this thesis work, sensitive layers of SnO2 were deposited by reactive magnetron RF sputtering on a transducer patented by our team, integrating three sensors on the same chip. The optimization of the deposition parameters and the structural analyzes of the SnO2 layers, allowed us to develop an ethanol multi-sensor demonstrating performances under ethanol; in terms of sensitivity on humidity, repeatability and response and recovery times as well as from the point of selectivity
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Mechanisms and implications of sodium loss in sweat during exercise in the heat for patients with cystic fibrosis and healthy individualsBrown, Mary Beth 17 November 2009 (has links)
Our aim was to understand mechanisms responsible for excessive electrolyte loss in the sweat gland and the potential impact on fluid balance during exercise in heat stress conditions. Human physiological testing under exercise/heat stress and immunofluorescence staining of sweat glands from skin biopsies were compared between healthy individuals (with normal and high sweat sodium chloride concentration, [NaCl]) and with cystic fibrosis patients (CF), who exhibit excessively salty sweat due to a defect of Cl- channel cystic fibrosis transmembrane conductance regulator (CFTR). Three novel findings are presented. First, excessively salty sweat may be associated with reduced expression of CFTR in the sweat gland reabsorptive duct of healthy individuals in addition to in those with CF; however, although a link to a CF gene mutation in healthy individuals with high sweat [NaCl] was not demonstrated, the possibility of an undetected CFTR mutation or polymorphism remains to be investigated as an underlying mechanism. Two, CF and healthy individuals with excessively salty sweat respond to moderate dehydration (3% body weight loss during exercise) with an attenuated rise in serum osmolality, greater relative loss in plasma volume, but similar perceived thirst compared to healthy individuals with "normal" sweat [NaCl]. However, individuals with CF respond to rehydration with hypotonic beverage by drinking less ad libitum in response to reduced serum [NaCl], suggesting that thirst-guided fluid replacement may be more appropriate for this population rather than restoring 100% of sweat loss following dehydration as is often recommended in healthy individuals.
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The Effects of Perspiration Application, Weathering Exposures, Washing Action of Automatic Home Clothes Washers, and Repeated Laundering on the Ultraviolet Protection of a Naturally Colored Lightweight Cotton FabricWong, Soak Wai 01 October 2014 (has links)
Sun protection has gained worldwide attention because repetitive overexposure to ultraviolet radiation can result in harmful effects on human skin, including sunburn, premature skin ageing, and in the worst case, skin cancer (Eckhardt and Rohwer, 2000; Sengupta and Blain, 2001). The diminishing stratospheric ozone layer, due to environmental degradation in the past few decades, combined with the modern outdoor-oriented lifestyles, are leading to unexpected levels of skin cancer (Davis, Capjack, Kerr, and Fedosejevs, 1997). Wearing Ultraviolet protective clothing is a simple way of practicing sun safety; however, regular cotton generally has very low ultraviolet protection and it is one of the most environmentally damaging crops despite of it is commonly used to make summer clothing. With the increased interest of public awareness related to sustainability and environmental issues, naturally colored cotton was recommended as it provides better ultraviolet protection than regular cotton. In addition, the production of naturally colored cotton is more environmentally friendly than regular cotton. Although several studies have been conducted on the UVR protection of naturally colored cotton, many questions regarding the factors that influence the UVR protection of fabrics remain unanswered.
The primary purpose of the study was to examine the effects of perspiration application, weathering exposures, washing action of automatic home clothes washers, and repeated laundering on the UVR protection of a NC lightweight cotton fabric. In addition, five fabric property changes in the test specimen after the treatments of perspiration, weathering exposure, washing action, and repeated laundering (i.e., fabric count change, thickness change, weight change, color change and dimensional change) were included in this study to serve as secondary dependent variables to examine if the four treatment factors (i.e., perspiration application, weathering exposures, washing action of automatic home clothes washers, and repeated laundering) will cause changes in these five fabric properties, and if these changes will lead to changes of UVR protection of NC lightweight cotton fabric.
Based on the purpose and objectives of the study, a split-plot repeated measures experimental design was used for the current study. In this study, the whole plot treatment was the weathering exposure, which contained three levels (i.e., semi-tropical climate without water spray, semi-arid climate, and standard conditioning), and the split plot treatments were the combinations of two treatment factors. In order to understand the effects of repeated laundering on the UVR protection and the five fabric properties, except for the control group, all test specimens were laundered after being treated with the three treatment factors (i.e., perspiration, weathering exposure, and washing action), and this process was repeated 15 times. The UVR protection (i.e., express in UPF value change in current study) and the five fabric properties of these treated test specimens were measured before laundering, and after each laundering cycle.
The results of UPF value change showed that test specimens treated with perspiration had a lower change in UPF value than the specimens without treatment. The test specimens exposed to Florida condition had the most UPF value change, followed by Arizona and Standard textile testing conditions. A significant difference also found in test specimens that laundered in a traditional washer after ninth cycle and the UPF value decreased as the number of laundering cycle increased. However, test specimens that laundered in a front-loading HE washer showed no significant UPF value change. For the five fabric properties that listed in secondary objective, all four treatments significantly influenced fabric count, fabric thickness and fabric weight. However, perspiration treatment had no significant effect on the dimensional change in warp direction of test specimens, and washing action had no significant effect on the dimensional change in filling direction of the test specimen as well as both Delta E and Delta L of color change. For testing the relationship between the changes of the five fabric properties and UPF value change, Delta E and Delta L of color change had the highest correlation coefficient with UPF value change. Therefore, it is possible that the changes of these two properties caused by the four treatments and lead to the UPF value change. Future research is needed to confirm this relationship.
In conclusion, of perspiration application, weathering exposures, washing action of automatic home clothes washers, and repeated laundering do have influence on the ultraviolet protection of the naturally colored cotton. The color change of the test specimens caused by these four treatments possible lead to the change of the ultraviolet protection of the test specimens. More studies are needed to confirm this relationship. / Ph. D.
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Linho (Linum usitatissimum L.) em meia malha de máquina circular para usuário com dermatite atópica em clima subtropical / Linen (Linum usitatissimum L.) in single jersey of circular knitting machine for wearer with atopic dermatitis in subtropical climateFavilla, José Aparecido 01 December 2014 (has links)
O objetivo deste trabalho e o desenvolvimento de roupas utilizando malha de linho para uso como primeira camada em contato direto com o corpo em usuários com dermatite atópica. Roupas disponíveis para essas pessoas com pele sensível, incluindo algumas com algodão, muitas vezes provocam irritação na pele e uma malha de linho pode ser uma boa opção de uso, com base em suas reconhecidas propriedades de contato saudável ao corpo humano, principalmente em climas quentes. Protótipos de malhas consideradas pelo autor como clássicas ou oclusivas e outras como não oclusivas foram produzidas com algodão, fibras descontinuas de poliéster e linho em estrutura jérsei de malharia circular. As malhas foram confeccionadas em roupas para um teste de uso experimental em 4 crianças entre 5-8 anos de idade, sendo 2 delas saudáveis e duas com dermatite atópica, previamente avaliadas por um dermatologista. O resultado final demonstrou um bom grau de tolerância por todos os usuários quanto ao uso da malha com linho em contato direto com a pele. As malhas não oclusivas foram as que apresentaram os melhores índice de permeabilidade ao ar,atributo que pode evitar o bloqueio da transpiração insensível durante rotinas diárias, minimizando o abafamento, desconforto térmico e potencial gatilho de irritação da pele. Câmera infravermelha foi utilizada como uma ferramenta adicional na Avaliação térmica durante o uso. Os resultados sugerem que a malha com linho não oclusiva e uma opção viavel de uso pelos portadores de dermatite atópica em clima subtropical como o da cidade de São Paulo. O controle da estabilidade dimensional da malha com linho e amaciantes naturais amigáveis a pele para a lavagem domestica das roupas são desafios que devem ser equacionados em futuros desenvolvimentos / Linen (Linum usitatissimum L.) in single jersey of circular knitting machine for wearer with atopic dermatitis in subtropical climate The purpose of this work is the development of first layer linen knitted structure aiming wearers with Atopic Dermatitis (AD). Available clothing for these sensitive skin people, including some cotton garments, very often presents skin irritation and linen is an option based upon it recognized friendly contact to human body and comfortable wear during hot climates. Classic or occlusive and non-occlusive garments prototypes knitted in single jersey of circular knitting machines with cotton, polyester staple and linen fibers were designed to accomplish an experimental wear test with 4 children with 5-8 years old, 2 with AD and 2 health kids. Voluntaries showed good wear tolerance to knitted linen that presented highest air permeability index that can help to avoid blocking of insensible perspiration during daily routine, minimizing buffering effect and potential trigger of skin irritation. Infrared camera was used as an additional tool for thermal evaluation during use. Results suggest that non-occlusive knitted linen is a possible option for AD wears at subtropical climate like the city of Sao Paulo. Dimensional stability control of nonhocclusive knitted linen and natural home laundry softeners are challenges to be overcome in future developments
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