Academic literature on the topic 'Dipalmitoylphosphatidylcholine'

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Journal articles on the topic "Dipalmitoylphosphatidylcholine"

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Bonev, Boyan B., and Michael R. Morrow. "2H NMR studies of dipalmitoylphosphatidylcholine and dipalmitoylphosphatidylcholine-cholesterol bilayers at high pressure." Canadian Journal of Chemistry 76, no. 11 (1998): 1512–19. http://dx.doi.org/10.1139/v98-116.

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Wideline deuterium nuclear magnetic resonance was used to investigate the phase behaviour of bi layer dispersions of chain-perdeuterated dipalmitoylphosphatidylcholine (DPPC-d62) and DPPC-d62 containing 28.5 mol% cholesterol for temperatures between 0°C and 90°C and pressures from ambient to 270 MPa. Spectra were obtained over a range of temperature at ambient pressure, 100 MPa, and 210 MPa and over a range of pressure at fixed temperatures of 0°C and 45°C (40°C for the sample containing cholesterol). The combination of complementary isobaric and isothermal scans produced observations that sug
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Allen, T. M., and L. Murray. "Effect of long-term Intralipid® administration in mice." Canadian Journal of Physiology and Pharmacology 64, no. 7 (1986): 1006–10. http://dx.doi.org/10.1139/y86-171.

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Intalipid® was administered intravenously to mice at a level of 2 g kg−1 day−1 for 23 days. No alterations in phagocytic index, liver or spleen size were observed in the chronically injected mice as compared with control mice that received saline injections. Tissue distribution of 0.45 μm multilamellar liposomes of egg phosphatidylcholine:cholesterol (2:1) was similar in mice that had been chronically injected with Intralipid® to that in control mice. Mice chronically given the same total amount of phospholipid in the form of 0.2 μm liposomes of phosphatidylcholine:cholesterol (2:1) rather tha
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Xu, Lu, Gordon Bosiljevac, Kyle Yu, and Yi Y. Zuo. "Melting of the Dipalmitoylphosphatidylcholine Monolayer." Langmuir 34, no. 15 (2018): 4688–94. http://dx.doi.org/10.1021/acs.langmuir.8b00579.

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Crowe, L. M., and J. H. Crowe. "Dry dipalmitoylphosphatidylcholine and trehalose revisited." Cryobiology 25, no. 6 (1988): 541. http://dx.doi.org/10.1016/0011-2240(88)90391-4.

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Crowe, Lois M., and John H. Crowe. "Trehalose and dry dipalmitoylphosphatidylcholine revisited." Biochimica et Biophysica Acta (BBA) - Biomembranes 946, no. 2 (1988): 193–201. http://dx.doi.org/10.1016/0005-2736(88)90392-6.

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Zuo, Yi Y., Rimei Chen, Xianju Wang, Jinlong Yang, Zdenka Policova, and A. Wilhelm Neumann. "Phase Transitions in Dipalmitoylphosphatidylcholine Monolayers." Langmuir 32, no. 33 (2016): 8501–6. http://dx.doi.org/10.1021/acs.langmuir.6b01482.

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Nguyen, Phuc Nghia, Mariam Veschgini, Motomu Tanaka, Gilles Waton, Thierry Vandamme, and Marie Pierre Krafft. "Counteracting the inhibitory effect of proteins towards lung surfactant substitutes: a fluorocarbon gas helps displace albumin at the air/water interface." Chem. Commun. 50, no. 78 (2014): 11576–79. http://dx.doi.org/10.1039/c3cc47840h.

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Sharifi, Soheil, and Aboozar Nasrollahi. "Effect of Dipalmitoylphosphatidylcholine on a Microemulsion." Оптика и спектроскопия 118, no. 6 (2015): 924–29. http://dx.doi.org/10.7868/s0030403415060203.

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Dhand, Rajiv, Jared Young, Andelle Teng, Subbiah Krishnasamy, and Nicholas J. Gross. "Is dipalmitoylphosphatidylcholine a substrate for convertase?" American Journal of Physiology-Lung Cellular and Molecular Physiology 278, no. 1 (2000): L19—L24. http://dx.doi.org/10.1152/ajplung.2000.278.1.l19.

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Convertase has homology with carboxylesterases, but its substrate(s) is not known. Accordingly, we determined whether dipalmitoylphosphatidylcholine (DPPC), the major phospholipid in surfactant, was a substrate for convertase. We measured [3H]choline release during cycling of the heavy subtype containing [3H]choline-labeled DPPC with convertase, phospholipases A2, B, C, and D, liver esterase, and elastase. Cycling with liver esterase or peanut or cabbage phospholipase D produced the characteristic profile of heavy and light peaks observed on cycling with convertase. In contrast, phospholipases
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Sharifi, Soheil, and Aboozar Nasrollahi. "Effect of Dipalmitoylphosphatidylcholine on a microemulsion." Optics and Spectroscopy 118, no. 6 (2015): 893–98. http://dx.doi.org/10.1134/s0030400x1506020x.

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Dissertations / Theses on the topic "Dipalmitoylphosphatidylcholine"

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Bouirig, Hassan. "Formation et réactivité de l'oxygène singulet photosensibilisé par l'hypéricine dans des liposomes de dipalmitoylphosphatidylcholine." Grenoble 1, 1992. http://www.theses.fr/1992GRE10114.

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Le travail presente dans ce memoire porte sur l'etude spectroscopique et photophysique de l'hypericine dans des membranes modeles (liposomes de dppc) en liaison avec ses proprietes phototoxiques. Cette etude (spectres d'absorption s#ns#o et t#ns#o, de fluorescence, cinetique de la desactivation de t#1 par transfert intermoleculaire d'energie) montre que l'hypericine photosensibilise avec un bon rendement la formation d'oxygene singulet et nous permet de proposer l'hypericine comme agent phototherapique. La diffusion interliposomique de l'hypericine a ete mise en evidence en utilisant l'autoext
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Kondej, D., and T. R. Sosnowski. "The Influence of Montmorillonite Nanofillers on the Lung Surfactant." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35427.

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The influence of montmorillonite nanoparticles used as nanofillers in the production process of polymer nanocomposites on the physicochemical properties of the main lipid component of the lung surfactant was studied. Research was done for nanoparticles of natural and surface-modified montmorillonite using the Langmuir-Wilhelmy balance. It was found that montmorillonite nanofillers alter the organization of the surfactant molecules at the air-liquid interface and modify the surface properties of the surfactant monolayer. It may cause the disturbance of surface activity of the lung surfacta
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Kaddah, Samar. "Effet du cholestérol sur les propriétés physiques des membranes liposomiales de type dipalmitoylphosphatidylcholine : application aux triterpènes tétra- et pentacycliques." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1102/document.

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Les triterpènes sont des composés en C30 issus de la cyclisation du 2,3-epoxysqualène. L’utilisation industrielle et l’intérêt thérapeutique des triterpènes représentent un enjeu capital dans le domaine de la recherche des substances naturelles. Quant au cholestérol, il a été largement connu dans la littérature par son rôle modulateur des membranes naturelles aussi bien que synthétiques. Dans notre travail de thèse, nous nous sommes intéressés à étudier l’effet des triterpènes et du cholestérol sur la fluidité et la perméabilité des liposomes de dipalmitoylphosphatidylcholine. Deux approches s
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Bonnet, Pierre-Antoine. "Etude de l'équilibre d'ionisation à l'interface phospholipide-eau : étude en marquage de spin par résonance paramagnétique électronique de membranes modèles de dipalmitoylphosphatidylcholine." Paris 6, 1989. http://www.theses.fr/1989PA066558.

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Les interactions entre une molecule ionisable (acide carboxylique ou amine) et une membrane modele de dipalmitoylphosphatidylcholine ont ete etudiees par marquage de spin en resonance paramagnetique electronique associe a la calorimetrie differentielle a balayage. Un modele general d'interaction est propose. L'equilibre acido-basique d'un effecteur moleculaire ionisable a l'interface amphiphile-eau depend non seulement des charges electriques surfaciques, mais aussi du desequilibre de l'affinite pour la matrice phospholipidique des deux formes protonnees et ionisees de cet effecteur. La phosph
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Hauet, Nathalie. "Caractérisation des interactions membranes modéles-Enflurane, un anesthésique général, fluoré et volatil." Paris 6, 2002. http://www.theses.fr/2002PA066176.

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Zbořilová, Hana. "Studium membránových vlastností liposomálních systémů pomocí fluorescenční spektroskopie." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449373.

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The presented diploma thesis is focused on the preparation, characterization and study of membrane properties of liposomal systems which were composed of the neutral phosphatidylcholine (DPPC), cholesterol, negatively charged phosphatidylglycerol (DPPG), polyethylenglycol bounded to phosphatidylethanolamine (PEG5000–PE) and polycation N,N,N-trimethylchitosan (TMC). The influence of individual components and their concentrations on the average particle size, zeta potential and changes in the outer and inner part of the bilayer was investigated. In this matter, methods of dynamic and electrophor
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Wanasundara, Surajith Nalantha. "Molecular dynamics simulation of the fully hydrated dipalmitoylphosphatidylcholine (DPPC) bilayer /." 2003.

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Ντουντανιώτης, Δημήτριος. "Διαμορφωτική μελέτη αντιυπερτασικών φαρμάκων και αλληλεπιδράσεις τους με λιποειδείς διπλοστιβάδες με χρήση φυσικοχημικών μεθόδων". Thesis, 2012. http://hdl.handle.net/10889/6192.

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Η υπέρταση είναι ένας από τους σημαντικότερους παράγοντες που αυξάνει τα καρδιαγγειακά επεισόδια τα οποία ευθύνονται περίπου για το ήμισυ των θανατηφόρων επεισοδίων στους ενήλικους. To σύστημα ρενίνης-αγγειοτασίνης-αλδοστερόνης (ΣΡΑΑ) διαδραματίζει καθοριστικό ρόλο στην παθοφυσιολογία των καρδιαγγειακών νόσων. Η αναστολή του ΣΡΑΑ σε παθολογικές καταστάσεις μπορεί να πραγματοποιηθεί με αναστολή του ενζύμου της ρενίνης ή παρεμπόδιση της σύνδεσης της ΑΙΙ με τους υποδοχείς ΑΤ1. Έχει διατυπωθεί η υπόθεση ότι τα αμφοτερικά μόρια για να αλληλεπιδράσουν με τον υποδοχέα θα πρέπει πρώτα να εισδύσουν
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Book chapters on the topic "Dipalmitoylphosphatidylcholine"

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Perron, R. "The Dipalmitoylphosphatidylcholine (DPPC) — Water System." In Properties of Water in Foods. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5103-7_3.

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Nakahara, Hiromichi, Takayoshi Yamada, Chihiro Usui, Shunichi Yokomizo, and Osamu Shibata. "Langmuir Monolayer Properties of Fluorinated Fatty Alcohols and Dipalmitoylphosphatidylcholine (DPPC)." In ACS Symposium Series. American Chemical Society, 2015. http://dx.doi.org/10.1021/bk-2015-1215.ch001.

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Pérez-Gil, Jesús, Cristina Casals, and Derek Marsh. "Lipid-Protein Interactions with the Hydrophobic SP-B and SP-C Lung Surfactant Proteins in Dipalmitoylphosphatidylcholine Bilayers." In Biological Membranes: Structure, Biogenesis and Dynamics. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78846-8_9.

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Van den Zegel, M., D. Daems, N. Boens, and F. C. De Schryver. "Fluorescence Decay of Pyrene Probes in Small Unilamellar L, α-Dipalmitoylphosphatidylcholine Vesicles Above the Phase Transition Temperature." In Surfactants in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-7981-6_17.

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Kurashima, H., H. Abe, and S. Ozeki. "Magnetofusion and magnetodivision of dipalmitoylphosphatidylcholine liposomes." In Studies in Surface Science and Catalysis. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)82164-9.

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Sugár, István P., Rodney L. Biltonen, and Neil Mitchard. "[25] Monte Carlo simulations of membranes: Phase transition of small unilamellar dipalmitoylphosphatidylcholine vesicles." In Part B: Numerical Computer Methods. Elsevier, 1994. http://dx.doi.org/10.1016/s0076-6879(94)40064-4.

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Jonas, Ana, and Xiangdong Peng. "NMR Studies of the Order and Dynamics of Dipalmitoylphosphatidylchoiine Bilayers as a Function of Pressure." In High Pressure Effects in Molecular Biophysics and Enzymology. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195097221.003.0023.

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We have used 2H NMR methods to examine the order and dynamics of dipalmitoylphosphatidylcholine (DPPC) in multilamellar and small unilamellar vesicles in water as a function of pressure. Multipulse 2H NMR techniques were used with selectively deuterated DPPC on both chains at positions C-2, C-9, or C-13, to obtain lineshapes, spin-lattice relaxation times (T1), and spin-spin relaxation times (T2) at 50 °C from 1 bar to 5.2 kbar pressure. This pressure range allowed us to explore the phase behavior of DPPC from the liquid crystalline (LC) phase through various gel phases (Gl, Gll, Glll, GX), in
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Conference papers on the topic "Dipalmitoylphosphatidylcholine"

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Mohd, Hur Munawar Kabir, Ainee Fatimah Ahmad, Shahidan Radiman, et al. "Interaction between silicon dioxide and dipalmitoylphosphatidylcholine (DPPC) vesicles." In THE 2014 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4895172.

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Ahmad, Ainee Fatimah, Hur Munawar Kabir Mohd, Muhammad Taqiyuddin Mawardi bin Ayob, et al. "Effect of gamma irradiation on hyaluronic acid and dipalmitoylphosphatidylcholine (DPPC) interaction." In THE 2014 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4895173.

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Pinisetty, Dinesh, Dorel Moldovan, and Ram Devireddy. "A Molecular Dynamics Simulation Study on the Effect of Methanol on the Structural Characteristics of Lipid Bilayers." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72301.

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To further our understanding on the water permeation process through a lipid bilayer membrane in the presence of a commonly used cryoprotective agent (methanol), we performed detailed molecular dynamics simulation (MD) studies. The MD simulations analyzed the influence of methanol (12 mol %) on the structure of a fully hydrated dipalmitoylphosphatidylcholine (DPPC) in the fluid phase and under equilibrium conditions at 323K.
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Yin, Jun, and Yong Huang. "Investigation of Process-Induced Cell Membrane Stability Using Molecular Dynamics Simulation." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84374.

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Manufacturing process-induced damage to cells is of significant importance in biomaterial direct writing. For safe and reproducible cell direct writing, the process-induced cell damage must be understood in addition to biological property research. The objective of this study is to investigate the cell membrane stability under the external normal pressure. It is performed by studying the dipalmitoylphosphatidylcholine (DPPC) bilayer behavior under different normal pressures using molecular dynamics (MD). It is found that as the normal pressure increases, the thickness of DPPC bilayer decreases
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