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Relevant bibliographies by topics / Pentacosa-10,12-diynoic acid (PCDA)

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Academic literature on the topic 'Pentacosa-10,12-diynoic acid (PCDA)'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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Journal articles on the topic "Pentacosa-10,12-diynoic acid (PCDA)"

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Harano, Izumi, Chigusa Okano, Yuriko Takayama, Eri Nasuno, Ken-ichi Iimura, and Norihiro Kato. "Color Transition Properties of Water Dispersible Polydiacetylene Particles Conjugated with the Thermosensitive Polymer." Applied Mechanics and Materials 863 (February 2017): 38–43. http://dx.doi.org/10.4028/www.scientific.net/amm.863.38.

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An assembly of diacetylene molecules is necessary to progress a topochemical reaction as UV-irradiated polymerization. In this study, we attempt to regularly assemble 10, 12- pentacosadiynoic acid (PCDA) by freezing the solution, followed by lyophilization. Dried PCDA assembly was easily dispersed in aqueous solution by sonication. Irradiation of UV light can promote polymerization reaction of PCDA judging from a color change of the solution into blue. A color transition of the polyPCDA-dispersed solution from blue to red was observed at approximately 56°C due to distortion of its π-conjugated

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2

Maillard, Julien, Wolfram Schumacher, Francisco Vazquez, Christophe Regeard, Wilfred R. Hagen, and Christof Holliger. "Characterization of the Corrinoid Iron-Sulfur Protein Tetrachloroethene Reductive Dehalogenase of Dehalobacter restrictus." Applied and Environmental Microbiology 69, no. 8 (2003): 4628–38. http://dx.doi.org/10.1128/aem.69.8.4628-4638.2003.

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ABSTRACT The membrane-bound tetrachloroethene reductive dehalogenase (PCE-RDase) (PceA; EC 1.97.1.8), the terminal component of the respiratory chain of Dehalobacter restrictus, was purified 25-fold to apparent electrophoretic homogeneity. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis revealed a single band with an apparent molecular mass of 60 ± 1 kDa, whereas the native molecular mass was 71± 8 kDa according to size exclusion chromatography in the presence of the detergent octyl-β-d-glucopyranoside. The monomeric enzyme contained (per mol of the 60-kDa subunit) 1.0± 0.1 mol of co

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3

Palomino Pérez, L. M., M. Velasco Rodríguez-Belvis, S. I. Sirvent Cerdá, J. A. Vazquez Gómez, and R. A. Muñoz Codoceo. "P151 Validation of the MaRIA Score in pediatric patients." Journal of Crohn's and Colitis 15, Supplement_1 (2021): S231—S232. http://dx.doi.org/10.1093/ecco-jcc/jjab076.278.

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Abstract Background To validate the Magnetic Resonance Index of Activity (MaRIA Score) in the pediatric population and determine if it would be possible to monitor inflammatory bowel disease (IBD) without invasive tests in some cases. Methods A cross-sectional and descriptive study of paediatric patients with previously diagnosed or suspected IBD who underwent upper endoscopy (EGD) and colonoscopy, blood tests, stool analysis and MR Enterography (MRE) in a 15 days range, from October 2018 to February 2020. The clinical and endoscopic situation were assessed with the activity indices PUCAI/PCDA

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Koezuka, H., T. Kurata, A. Tsumura та H. Fuchigami. "Nonlinear Optical Studies of Mixed π-Conjugated Polymer Multilayers by Second Harmonic Generation". MRS Proceedings 173 (1989). http://dx.doi.org/10.1557/proc-173-691.

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ABSTRACTThe structures of the mixed LB monolayers, composed of two different kinds of π-conjugated system, poly(3-hexylthiophene) (PHT) and pentacosa-10, 12-diynoic acid (DA), have been investigated mainly by a second harmonic generation (SHG) Maker fringe method. The mixed LB films partly contain a double-layered structure consisting of PHT and DA. The second harmonic radiation has been produced from slightly twisted PHT in the double layer. Both UV-polymerization of DA and successive heat-treatments enhanced the SHG intensities. The enhancement of the SHG intensities has been elucidated by t

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Patlolla, Anitha, Qi Wang, Anatoly Frenkel, James L. Zunino III, Donald R. Skelton, and Zafar Iqbal. "Studies of the blue to red phase transition in polydiacetylene nanocomposites and blends." MRS Proceedings 1190 (2009). http://dx.doi.org/10.1557/proc-1190-nn11-04.

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AbstractThe conjugated polymeric backbone of polydiacetylenes (PDAs), comprising of alternating ene-yne groups, undergo intriguing stress-, chemical- or temperature-induced chromatic phase transitions associated with the disruption of the backbone structure and shortening of the conjugation length. PDAs, such as polymerized 10, 12 pentacosadiynoic acids (PCDA), when incorporated with inorganic oxides form nanocomposites and uniform blends with polymers. Blends of poly-PCDA with polymers, such as polyvinyl alcohol, polyvinylidene fluoride and cellulose increase the blue to red transition temper

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Dissertations / Theses on the topic "Pentacosa-10,12-diynoic acid (PCDA)"

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NASR, ABDULLAH. "MODELING AND DEVELOPMENT OF THREE-DIMENSIONAL GEL DOSIMETERS." Thesis, 2014. http://hdl.handle.net/1974/8669.

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A dynamic mathematical model was developed to simulate the response of polyacrylamide gel (PAG) dosimeters to a single spherical radioactive brachytherapy seed. Simulations were conducted for a high dose-rate (HDR) seed using 192Ir and a low dose-rate (LDR) seed using 125I. The model is able to predict the amount of polymer formed, the crosslink density, and the volume fraction of aqueous phase as a function of radial distance and time. Results show that PAG dosimeters can provide accurate HDR brachytherapy dosimetry at distances larger than 4 mm from the centre of the seed but will give poor

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