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1

Ade-Ademilua, Omobolanle Elizabeth. "Plastochron index - an indicator of plant structure and function a case study using Pisum sativum L." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1003751.

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The use of chronological age for example, using days after sowing (DAS), or days after germination (DAG) as a time variable may result in the inherent variability between plants resulting in differences which can be large enough to obscure subtle developmental trends that become evident among plants sown at the same time. An alternative to DAS or DAG is the plastochron index (PI), first used by Erickson and Michelini (1957) as a morphological time scale and numerical index; which to according to the authors suggested and represented a more accurate reflection of the developmental status of a p
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2

Herdina. "Studies of nodulation, nodule function, and nitrogen fixation of Vicia faba L. and Pisum sativum L." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phh541.pdf.

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3

Doulis, Andreas G. "Antioxidant responses of pea (Pisum sativum L.) protoplasts." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-09192008-063125/.

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4

McCune, Letitia M. "Characterization of galactolipid synthesis in pea root plastids." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22858.

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The capacity of pea root plastids for galactolipid synthesis was investigated utilizing radiolabelled acetate and UDP-galactose. Galactolipid biosynthesis was completely dependent on an exogenous supply of UDP-galactose. UDP-galactose stimulated both total lipid biosynthesis from acetate and the proportion of radioactivity accumulated in monogalactosyldiacylglycerol (MGDG). The proportion of MGDG synthesized was saturated at 30$ mu$M UDP-galactose and represented approximately 30% of the total lipid radioactivity after a one hour incubation. However, total lipid biosynthesis continued to incre
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5

Xue, Lingru. "Glycerolipid biosynthesis in pea root plastids." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26186.

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Pea root plastids were isolated by differential centrifugation and resulting crude plastid fraction was purified by centrifugation through 10%(v/v) Percoll. Marker enzymes indicated that greater than 50% of the plastids were recovered essentially free from mitochondrial and endoplasmic reticulum contamination. The optimum in vitro conditions for glycerolipid biosynthesis from (U-$ sp{14}$C) glycerol-3-phosphate have been determined. Total glycerolipid biosynthesis was approximately 15 nmole/hr/mg protein in the presence of 200 $ mu$M glycerol-3-phosphate, 0.5 mM each of NADH and NADPH, 15 mM K
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6

Qi, Qungang. "The role of glycolytic metabolism in fatty acid and glycerolipid biosynthesis in pea root plastids." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39980.

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The interaction between the glycolytic metabolism and fatty acid and glycerolipid biosynthesis in pea root (Pisum sativum L.) plastids was assessed in this study. When various glycolytic intermediates were used to substitute for the APT requirement for fatty acid synthesis from acetate, phosphoenolpyruvate, 2-phosphoglycerate, fructose-6-phosphate and glucose-6-phosphate each gave 48, 17, 23 and 17%, respectively, of the ATP-control activity. Similarly, in the absence of exogenously supplied ATP, the optimized triose-phosphate shuttle, which consists of 2 mM dihydroxyacetone phosphate, 2 mM ox
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7

Li, Hongping 1967. "Developmental relationships in the function of pea root plastids." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30823.

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Germinating pea (Pisum sativum L.) roots were divided into five sequential 0.5 cm segments from the root tip. Pooled segments were analyzed for their protein, starch and lipid content as an indirect indication of plastid function. Fresh weights of root segments were lowest in the tips (4.45mug per segment) and progressively higher up to the fifth segment (11.09mug per segment). Total protein, starch and lipid content, on a per segment basis, were all highest in zone 1 (tip segment) and progressively lower up to zone 5. Plastids were isolated from each of the five root segments and analyzed for
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8

Stahl, Richard J. (Richard John). "Fatty acid and glycerolipid biosynthesis in pea root plastids." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22389.

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Fatty acid biosynthesis from (1-$ sp{14}$C) acetate was optimized in plastids isolated from primary root tips of 7-day-old germinating pea seeds. Fatty acid synthesis was maximum at 82.3 nmol/hr/mg protein in the presence of 200$ mu$M acetate, 0.5mM each of NADH, NADPH and CoA, 6mM each of ATP and MgCl$ sb2$, 1mM each of MnCl$ sb2$ and glycerol-3-phosphate (G3P), 15mM KHCO$ sb3$, and 0.1M Bis tris propane, pH 8.0 incubated at 35C. At the standard incubation temperature of 25C, fatty acid synthesis was linear for up to 6 hours with 80 to 120 $ mu$g/ml plastid protein. ATP and CoA were absolute
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9

Saquet, Adriano Arriel. "Physiology and biochemistry of Rocha pear during ripening and long-term controlled atmosphere storage." Doctoral thesis, ISA, 2017. http://hdl.handle.net/10400.5/14943.

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Doutoramento em Engenharia Agronómica - Instituto Superior de Agronomia<br>Long-term storage of pears is a challenge in the absence of treatment with diphenylamine, due to the development of physiological disorders. Aspects of the ripening physiology and biochemistry of pears, particularly those treated with the ethylene action inhibitor 1-methylcyclopropene, also remain unknown. The aims of this thesis were to map the gradients of adenylate nucleotides and energy charge in the fruit and their changes during fruit ripening and storage period, to compare instrumental and sensory assessment
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10

Lomas, Caroline Anne. "The effect of supplementary light on the behaviour, physiology and productivity of cattle." Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239841.

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11

Bentley, David J. "Measurement of peak power output and the lactate threshold : significance for endurance cycling performance." Thesis, University of Bath, 2002. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250852.

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12

Sevean, Sophie. "Propriétés biomécaniques de la peau." Paris 5, 1988. http://www.theses.fr/1988PA05P093.

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13

Synesius, Marie-Claude. "Peau noire et cosmétologie." Lille 2, 1995. http://www.theses.fr/1995LIL2P117.

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14

Rolland, Marie-Claire. "La peau humaine dans la litterature romaine : physiologie, pathologie, thérapeutique, esthétique, sémiologie." Thesis, Rennes 2, 2018. http://www.theses.fr/2018REN20022.

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Cette étude s’attache à l’observation et l’analyse des représentations de la peau humaine dans les textes latins des débuts de la littérature romaine (IIème s. av. J.-C.) à l’apogée de l’Empire romain (IIème s. apr. J.-C.). A la suite d’une recherche lexicale et sémantique approfondie sur le vocabulaire explicite de la peau, le thème de la peau est étudié à travers plusieurs champs disciplinaires permettant d’aborder les évocations implicites de la peau, son vocabulaire, ses images et ses significations. L’étude de la physiologie de la peau, appuyée sur l’héritage grec, permet d’en poser une d
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15

Callahan, Zachary. "The Effect of Varying Cadence in Cycle Ergometry on Submaximal Predictions of Peak Oxygen Uptake." TopSCHOLAR®, 2006. http://digitalcommons.wku.edu/theses/445.

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The purpose of this study was to investigate the effect that varying cadence had on the ability of a submaximal cycle ergometry test to accurately predict peak oxygen uptake (VO2) using the standard YMCA protocol workloads. There has been limited scholarship investigating the effect that varying cadence has on trained cyclists and almost none on untrained participants. For this study twelve moderately healthy participants (age: 20.75 ± 1.87, body fat: 15.8 ± 4.91 %) who did not use cycling as part of their workout regime performed a peak VO2 cycle test and three randomized submaximal tests. Th
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16

Molès, Jean-Pierre. "Le gène TP53 et la physiologie cutanée." Montpellier 1, 1993. http://www.theses.fr/1993MON1T018.

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17

Zhou, Wen Xu. "Two-peak resonance of swimbladders in fish (acoustic measurement and analytical model)." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/17504.

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18

Buchner, Sonya. "Coating of pears (var. 'Packhams Triumph') with Kafirin protein and its effect on postharvest physiology and shelf-life." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-07142008-140850.

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19

Nielsen, Corey Michael. "The Effect of Normobaric Hypoxia on Power Output During Multiple Wingate Anaerobic Tests." Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1490258656616795.

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20

Carpentier, Emmanuel. "Les huiles essentielles et la peau." Lille 2, 1996. http://www.theses.fr/1996LIL2P028.

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21

Sandberg, John B. "Acute Effects of Antagonist Stretching on Jump Height and Knee Extension Peak Torque." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1156.

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A great deal of research has shown decrements in force and power following static stretching. There has been little research investigating the acute effects of static stretching of the antagonist on the expression of strength and power. The purpose of this study was to investigate the effects of static stretching of the antagonist muscles on a variety of strength and power measures. Sixteen active males were tested for vertical jump height and isokinetic torque production in a slow knee extension (KES) at 60°/s and a fast knee extension (KEF) at 300°/s. Electromyography was taken during knee e
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22

Burger, G. E. (Gerrit Erasmus). "Factors affecting shrivelling and friction discolouration of pears (Pyrus communis L. )." Thesis, Stellenbosch : University of Stellenbosch, 2005. http://hdl.handle.net/10019.1/16264.

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Thesis (MScAgric)--University of Stellenbosch, 2005.<br>ENGLISH ABSTRACT: Shrivelling and friction discolouration (FD), as postharvest disorders, negatively influence the marketability and potential shelf life of pears. By investigating the contributing factors in each of the disorders, the potential involvement of handling and storage variables were determined. This allowed for a better understanding of the responsible factors that create susceptible environments for these disorders to occur. From the moment that pears are harvested they lose weight by means of transpiration and, to a l
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23

Marty, Janelise. "Les moyens d'exploration de la microcirculation cutanée." Montpellier 1, 1992. http://www.theses.fr/1992MON11132.

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24

Temeghe, Laurice. "Les lipides épidermiques." Paris 5, 1998. http://www.theses.fr/1998PA05P051.

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25

Coulomb, Bernard. "Reconstruction in vitro d'une peau humaine vivante : modèle d'étude de la physiologie, de la physiopathologie et de la pharmacologie cutanée : applications thérapeutiques." Paris 11, 1988. http://www.theses.fr/1988PA112022.

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Le développement d'une peau humaine vivante in vitro aboutit à un modèle d'étude original de la biologie cellulaire au niveau d'un tissu ou d'un organe dont les associations cellules-cellules, ou cellules-matrice sont définies. De plus, la reconstruction d'une peau humaine est d'un intérêt primordial pour la couverture des grands brûlés. La peau équivalente, réalisée avec des cellules humaines normales ou pathologiques, est reconstruite en deux temps: le premier conduit à un derme équivalent, le second consiste à recouvrir ce derme équivalent par un épiderme. Cette peau permet non seulement l'
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26

Sherriff, C. "Physiologic specialization of the downy mildew fungus, Peronospora parasitica (Pers. Ex. Fr.)Fr., on Brassica crop species." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373340.

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27

Castel, Philippe. "La biométrologie cutanée : étude de la taille des kératinocytes." Toulouse 3, 1993. http://www.theses.fr/1993TOU32083.

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28

Swisher, Ann Marie, Jenna M. Kraska, Michael W. Ramsey, Keith B. Painter, C. Gooden, Andrew S. Layne, William A. Sands, et al. "The Relationship of Peak Isometric Strength to Peak Aerobic Power and 3000 M Performance in Cross-country Runners." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etsu-works/4095.

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Certain variables: peak aerobic power (PAP), running economy, and lactate threshold, act as limiting factors for endurance running. However, all of the mechanisms underlying high-level endurance running are not completely clear. Alterations in maximum and explosive strength P27 have been shown to effect positive changes in endurance performance, likely by altering P28 running economy. If strength related factors affect running economy, then this should be evident in the running performance of long-distance runners and perhaps PAP. The purpose of this study was to examine the relationships betw
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29

Ladreit, de Lacharrière Olivier. "Contribution à l'étude des peaux sensibles et réactives : aspects épidémiologiques, cliniques et physiopathologiques." Besançon, 2002. http://www.theses.fr/2002BESA0018.

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Exploration des peaux sensibles par des méthodes non-invasives et des tests pharmacologiques, chez 152 femmes âgées de 18 à 60 ans, représentatif des 887 femmes investiguées lors de la phase clinique de l'étude UK1. Variables explorées / méthodes utilisées / zone anatomique : hydratation / Corneometer / joue. - Fonction barrière / perte insensible en eau / joue. - Sébum / Sebutape / front. - Réaction cutanée aux irritants / patch tests / dos. - Test de réactivité au pH / test à l'acide lactique / sillon naso-génien. - Test de réactivité neurogène / test à la capsai͏̈cine / angle de la machoire
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30

Kinser, Ann Marie. "Vibration and Stretching Effects on Flexibility and Explosive Strength in Gymnasts." Digital Commons @ East Tennessee State University, 2007. https://dc.etsu.edu/etd/2071.

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The purpose of this study was to determine the acute effects of stretching and local vibration on flexibility and explosive strength in competitive female gymnasts. Flexibility was measured in the forward-split position and jump characteristics were recorded using a force plate. Analysis included flight time (FT), jump height (JH), peak force (PF), instantaneous forces, and rates of force development (RFDs). Randomly assigned and counterbalanced groups were: simultaneous vibration-stretching (VS) (n=22), stretching-only (n=7), and vibration-only (n=8). VS showed statistically greater measures
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31

Athias, Nicolas. "Méthodes d'analyse physico-chimiques du stratum corneum." Besançon, 1996. http://www.theses.fr/1996BESA3304.

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32

Bessoles, Florence. "Approche analytique des lipides cutanés." Toulouse 3, 1995. http://www.theses.fr/1995TOU32009.

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33

Brunel, Anne-Sylvie. "Etude du renouvellement de l'épiderme." Paris 5, 1994. http://www.theses.fr/1994PA05P218.

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34

Dumont, Valérie. "Développement de méthodes de dosage et de caractérisation de sphingolipides végétaux et microbiens." Toulouse, INPT, 1995. http://www.theses.fr/1995INPT020G.

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Des 1991, la moelle epiniere bovine, jusqu'alors source de choix pour l'extraction de sphingolipides destines aux formulations cosmetiques, a ete ecarte. Les recherches se sont alors orientees vers les sources vegetales et microbiennes. La premiere partie de ce travail a consiste en l'etablissement d'une methode de dosage des sphingolipides par l'intermediaire des sphingosines qui sont les structures communes a tous les sphingolipides. Apres hydrolyse des lipides et extractions specifiques, elles sont dosees par chromatographie sur couche mince (ccm) couplee a la densitometrie. Cette methode a
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35

Raynal, Pierre. "Les lipides du stratum corneum : analyse qualitative." Paris 5, 1997. http://www.theses.fr/1997PA05P173.

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36

Parison, Valérie. "Validation d'une nouvelle méthode de mesure de l'élasticité cutanée : le cutomètre (ND). Application à l'étude de l'effet de l'hydratation sur les propriétés biomécaniques de la peau." Paris 5, 1991. http://www.theses.fr/1991PA05P171.

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37

Salameh, Ahlam. "Graded Exercise Stress Testing: Treadmill Protocols Comparison Of Peak Exercise Times In Cardiac Patients." Akron, OH : University of Akron, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1249833172.

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Thesis (M.S.)--University of Akron, Dept. of Sport Science and Wellness Education-Physical Education, 2009.<br>"August, 2009." Title from electronic thesis title page (viewed 10/7/2009) Advisor, Ronald Otterstetter; Committee members, James Rosneck, Laura Richardson; Department Chair, Victor Pinheiro; Dean of the College, Mark D. Shermis; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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38

Ruffner, Kayla L. "THE EFFECTS OF ESTROGEN PEAKS ON THE STRETCH REFLEX RESPONSE DURING THE MENSTRUAL CYCLE." Cleveland State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=csu1579519542553163.

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39

Cunanan, Aaron J., W. Guy Hornsby, Mark A. South, Alex Perkins, Kyle C. Pierce, Kimitake Sato, and Michael H. Stone. "Training Implications of Peak Barbell Velocity Differences among Elite Men and Women Weightlifters." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/5095.

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Peak barbell velocity is an important determinant of weightlifting performance 2 . However, direct comparisons of this measure between elite men and women weightlifters is limited 7,8 . Therefore, the present study sought to establish a reference of the current status and trajectory of sexbased peak barbell velocity differences among elite weightlifters. This study examined performances of men and women in the 69 kg weight class in order to obviate the influence of body mass on performance. The purpose of this investigation was to help practitioners identify training needs of elite men and wom
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40

Saguet, Thibaut. "Le vieillissement cutané : caractérisation des capacités antioxydantes des fibroblastes et des kératinocytes humains en réponse à un stress photo-induit." Besançon, 2007. http://www.theses.fr/2007BESAA003.

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Les UV A et B participent au photovieillissement cutané en produisant un stress oxydant. Pour lutter contre ce stress, les kératinocytes et les fibroblastes cutanés possèdent un système de défenses antioxydantes. - La comparaison des capacités antioxydantes basales des fibroblastes de sujets jeunes et de sujets adultes fait apparaître des différences significatives : l'activité superoxyde dismutase est supérieure chez les fibroblastes de sujets jeunes et l'activité catalase y est inférieure. Les fibroblastes issus de sujets adultes sont les plus sensibles aux UVB. Les UV A provoquent une augme
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41

Blais, Mathieu. "Influence des facteurs neurotrophiques et des fibres nerveuses dans la peau reconstruite par génie tissulaire." Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/29969/29969.pdf.

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La peau est un organe densément innervé et vascularisé. L’établissement du réseau nerveux dépend de la sécrétion de signaux diffusibles dans la peau qui instruisent à distance certains neurones de s’y arboriser. Ces signaux sont les facteurs neurotrophiques. L’établissement du réseau vasculaire dépend aussi de la présence de signaux instructifs. Notre objectif général était de mieux comprendre l’influence des signaux neurotrophiques et aussi nerveux dans le contexte cutané. Les travaux présentés dans cette thèse décrivent de nouvelles interactions paracrines. Alors que certaines de ces interac
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42

Derhy, Frédéric. "Prévention et réduction des cicatrices hypertrophiques ou chéloidiennes." Paris 5, 1993. http://www.theses.fr/1993PA05P103.

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43

Robert, Valérie. "Les céramides : des molécules clés de l'épiderme." Nancy 1, 1996. http://www.theses.fr/1996NAN10073.

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44

Coulomb, Bernard. "Reconstruction in vitro d'une peau humaine vivante modèle d'étude de la physiologie, de la physiopathologie et de la pharmacologie cutanée, applications thérapeutiques /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37604095v.

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45

Comfort, Paul, Thomas Dos'Santos, Paul A. Jones, John J. McMahon, Timothy J. Suchomel, Caleb D. Bazyler, and Michael H. Stone. "Normalisation of Early Isometric Force Production as a Percentage of Peak Force, During Multi-Joint Isometric Assessment." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etsu-works/5787.

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Purpose: To determine the reliability of early force production (50, 100, 150, 200, and 250 ms) relative to peak force (PF) during an isometric mid-thigh pull and to assess the relationships between these variables. Methods:: Male collegiate athletes (N = 29; age 21.1 [2.9] y, height 1.71 [0.07] m, body mass 71.3 [13.6] kg) performed isometric mid-thigh pulls during 2 separate testing sessions. Net PF and net force produced at each epoch were calculated. Within- and between-session reliabilities were determined using intraclass correlation coefficients and coefficient of variation percentages.
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46

Boerem, David L. "Peak isokinetic torque of knee flexors and extensor muscles of college football players." Scholarly Commons, 1987. https://scholarlycommons.pacific.edu/uop_etds/499.

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The problem of the study addressed knee injuries in college football. Imbalance of the musculature surrounding the knee would predispose the athlete to knee injury. Recognition of those who have muscular deficiencies would be a primary way of preventing knee injuries. The focus of the study was to determine if there was a significant difference in peak isokinetic torque of knee flexor and extensor muscles across speeds (60 degrees/second, 180 degrees/ second and 300 degrees/second) of a college football team subsequent to participation in a spring football season.
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47

Kavanaugh, Ashley A., Michael W. Ramsey, William A. Sands, G. Gregory Haff, and Michael H. Stone. "Acute Whole-Body Vibration Does Not Affect Static Jump Performance." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/4118.

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Currently, whole-body vibration is being used to promote enhanced performance. Many coaches and athletes believe that it can acutely enhance explosive performance and power output. However, the scientific literature is unclear as to whether this enhancement occurs. The purpose of this study was to examine the acute effects of whole-body vibration on static jump performance, including jump height, peak force, rate of force development, and peak power. Fourteen recreationally active individuals (5 females, 9 males) participated in three separate randomized treatment sessions. Treatment 1 consist
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48

Prisby, Rhonda D., Michael W. Ramsey, Bradley J. Behnke, James M. Dominguez, Anthony J. Donato, Matthew R. Allen, and Michael D. Delp. "Aging Reduces Skeletal Blood Flow, Endothelium-Dependent Vasodilation and Nitric Oxide Bioavailability in Rats." Digital Commons @ East Tennessee State University, 2007. https://dc.etsu.edu/etsu-works/4130.

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We determined whether aging diminishes bone blood flow and impairs endothelium‐dependent vasodilation. Femoral perfusion was lower in old animals, as well as endothelium‐dependent vasodilation and NO bioavailability. These effects could contribute to old age—related bone loss and the increased risk of fracture. Introduction: Aging has been shown to diminish bone blood flow in rats and humans. The purpose of this study was to determine whether blood flow to regions of the femur perfused primarily through the principal nutrient artery (PNA) are diminished with aging and whether this putative red
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49

Djavaheri-Mergny, Mojgan. "Effet des rayonnements ultraviolets A sur les processus d'endocytose et sur le métabolisme des lipides dans les fibroblastes et les kératinocytes humains en culture." Université de Paris-Sud. Faculté de pharmacie (Châtenay-Malabry, Hauts-de-Seine), 1993. http://www.theses.fr/1993PA114807.

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50

Auclair-Brialy, Florence. "Importance du débit sanguin cutané sur la rétention et la distribution localisée des médicaments appliqués sur la peau." Paris 11, 1991. http://www.theses.fr/1991PA114822.

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