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Journal articles on the topic 'DPPSC'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Cascales, J. J. López, S. D. Oliveira Costa, A. Garro, and R. D. Enriz. "Mechanical properties of binary DPPC/DPPS bilayers." RSC Advances 2, no. 31 (2012): 11743. http://dx.doi.org/10.1039/c2ra21977h.

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2

Mituła, Paweł, Czesław Wawrzeńczyk, and Witold Gładkowski. "Comparative Studies on the Susceptibility of (R)-2,3-Dipalmitoyloxypropylphosphonocholine (DPPnC) and Its Phospholipid Analogues to the Hydrolysis or Ethanolysis Catalyzed by Selected Lipases and Phospholipases." Catalysts 11, no. 1 (2021): 129. http://dx.doi.org/10.3390/catal11010129.

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Susceptibility of soybean phosphatidylcholine, 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) and its phosphono analogue (R)-2,3-dipalmitoyloxypropylphosphonocholine (DPPnC) towards selected lipases and phospholipases was compared. The ethanolysis of substrates at sn-1 position was carried out by lipase from Mucor miehei (Lipozyme®) and lipase B from Candida antarctica (Novozym 435) in 95% ethanol at 30 °C, and the hydrolysis with LecitaseTM Ultra was carried out in hexane/water at 50 °C. Hydrolysis at sn-2 position was carried out in isooctane/Tris-HCl/AOT system at 40 °C using phospholip

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Yang, Juliana, Yen-I. Chen, Shai Friedland, et al. "Lumen-apposing stents versus plastic stents in the management of pancreatic pseudocysts: a large, comparative, international, multicenter study." Endoscopy 51, no. 11 (2018): 1035–43. http://dx.doi.org/10.1055/a-0759-1353.

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Abstract Background Larger caliber lumen-apposing stents (LAMSs) have been increasingly used in the management of pancreatic fluid collections, specifically when solid debris is present; however, their advantages over smaller caliber plastic stents in the management of pancreatic pseudocysts are unclear. The aim of this study was to investigate the safety and efficacy of LAMS specifically in the management of pancreatic pseudocysts compared with double-pigtail plastic stents (DPPSs). Methods We performed a multicenter, international, retrospective study between January 2012 and August 2016. A

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Liu, Clive, Patricia Marshall, Ian Schreibman, Ann Vu, Weiming Gai, and Michael Whitlow. "Interaction Between Terminal Complement Proteins C5b-7 and Anionic Phospholipids." Blood 93, no. 7 (1999): 2297–301. http://dx.doi.org/10.1182/blood.v93.7.2297.407k19_2297_2301.

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We have recently shown that C5b-6 binds to the erythrocyte membrane via an ionic interaction with sialic acid before the addition of C7 and subsequent membrane insertion. In this study we assessed the role of anionic lipids in the binding of the terminal complement proteins to the membrane and the efficiency of subsequent hemolysis. Human erythrocytes were modified by insertion of dipalmitoyl phosphatidylcholine (DPPC), dipalmitoyl phosphatidylserine (DPPS), dipalmitoyl phosphatidylethanolamine (DPPE), or dipalmitoyl phosphatidic acid (DPPA). Lipid incorporation and the hemolytic assays were d

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Liu, Clive, Patricia Marshall, Ian Schreibman, Ann Vu, Weiming Gai, and Michael Whitlow. "Interaction Between Terminal Complement Proteins C5b-7 and Anionic Phospholipids." Blood 93, no. 7 (1999): 2297–301. http://dx.doi.org/10.1182/blood.v93.7.2297.

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Abstract We have recently shown that C5b-6 binds to the erythrocyte membrane via an ionic interaction with sialic acid before the addition of C7 and subsequent membrane insertion. In this study we assessed the role of anionic lipids in the binding of the terminal complement proteins to the membrane and the efficiency of subsequent hemolysis. Human erythrocytes were modified by insertion of dipalmitoyl phosphatidylcholine (DPPC), dipalmitoyl phosphatidylserine (DPPS), dipalmitoyl phosphatidylethanolamine (DPPE), or dipalmitoyl phosphatidic acid (DPPA). Lipid incorporation and the hemolytic assa

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6

Song, Chen, and Willy Nerdal. "Olanzapine interaction with DPPC/DPPS and DPPC/POPS bilayers: a 13C and 31P solid-state NMR study." Chemistry and Physics of Lipids 149 (September 2007): S43. http://dx.doi.org/10.1016/j.chemphyslip.2007.06.098.

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7

Pedersen, Tina B., Mads C. Sabra, Sven Frokjaer, Ole G. Mouritsen, and Kent Jørgensen. "Association of an acylated model peptide with DPPC–DPPS lipid membranes." International Journal of Pharmaceutics 214, no. 1-2 (2001): 77–81. http://dx.doi.org/10.1016/s0378-5173(00)00636-0.

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8

Belem-Gonçalves, Silvia, Gladys Matar, Pascale Tsan, et al. "Hyaluronidase binds differently DPPC, DPPS or GlcNAc-bearing glycolipid biomimetic monolayers." Colloids and Surfaces B: Biointerfaces 75, no. 2 (2010): 466–71. http://dx.doi.org/10.1016/j.colsurfb.2009.09.020.

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9

Sururie, Ramdani Wahyu, and Dadang Husen Sobana. "Pasar Tradisional Syariah : Dari Teori Ke Implementasi (Pendampingan Di Pasar Syari’ah Campaka Kabupaten Cianjur)." Al-Khidmat 1, no. 2 (2018): 1–18. http://dx.doi.org/10.15575/jak.v1i2.3330.

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Di tengah persaingan seperti sekarang ini, eksistensi pasar tradisional seolah “hidup segan mati pun tak mau”. Stigma negatif, tempatnya becek, kumuh, kotor, semrawut, banyak copet, minim fasilitas hingga ke karakter pedagangnya yang tidak jujur, mengurangi timbangan dan sebagainya. Oleh karena itu tidak sedikit masyarakat tidak peduli dengan keberadaan pasar tradisional ini, hingga banyak dari konsumen beralih ke pasar modern, yang ramah, bersih, aman, nyaman dan seabreg keunggulan lain. Padahal sejatinya pasar tradisional ini adalah urat nadi perekonomian nyata di negeri yang mayoritas Musli

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10

Veschi, Ekeveliny Amabile, Maytê Bolean, Agnieszka Strzelecka-Kiliszek, et al. "Localization of Annexin A6 in Matrix Vesicles During Physiological Mineralization." International Journal of Molecular Sciences 21, no. 4 (2020): 1367. http://dx.doi.org/10.3390/ijms21041367.

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Annexin A6 (AnxA6) is the largest member of the annexin family of proteins present in matrix vesicles (MVs). MVs are a special class of extracellular vesicles that serve as a nucleation site during cartilage, bone, and mantle dentin mineralization. In this study, we assessed the localization of AnxA6 in the MV membrane bilayer using native MVs and MV biomimetics. Biochemical analyses revealed that AnxA6 in MVs can be divided into three distinct groups. The first group corresponds to Ca2+-bound AnxA6 interacting with the inner leaflet of the MV membrane. The second group corresponds to AnxA6 lo

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11

Hu, Q., V. Sridhara, R. P. Joshi, J. F. Kolb, and K. H. Schoenbach. "Molecular Dynamics Analysis of High Electric Pulse Effects on Bilayer Membranes Containing DPPC and DPPS." IEEE Transactions on Plasma Science 34, no. 4 (2006): 1405–11. http://dx.doi.org/10.1109/tps.2006.876501.

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12

Kalyanram, Poornima, Huilin Ma, Shena Marshall, et al. "Interaction of amphiphilic coumarin with DPPC/DPPS lipid bilayer: effects of concentration and alkyl tail length." Physical Chemistry Chemical Physics 22, no. 27 (2020): 15197–207. http://dx.doi.org/10.1039/d0cp00696c.

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13

Ross, Michaela, Claudia Steinem, Hans-Joachim Galla, and Andreas Janshoff. "Visualization of Chemical and Physical Properties of Calcium-Induced Domains in DPPC/DPPS Langmuir−Blodgett Layers." Langmuir 17, no. 8 (2001): 2437–45. http://dx.doi.org/10.1021/la001617x.

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14

Porasso, Rodolfo D., and J. J. López Cascales. "Study of the effect of Na+ and Ca2+ ion concentration on the structure of an asymmetric DPPC/DPPC+DPPS lipid bilayer by molecular dynamics simulation." Colloids and Surfaces B: Biointerfaces 73, no. 1 (2009): 42–50. http://dx.doi.org/10.1016/j.colsurfb.2009.04.028.

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15

Chen, Xiangke, Zishuai Huang, Wei Hua, Hardy Castada, and Heather C. Allen. "Reorganization and Caging of DPPC, DPPE, DPPG, and DPPS Monolayers Caused by Dimethylsulfoxide Observed Using Brewster Angle Microscopy." Langmuir 26, no. 24 (2010): 18902–8. http://dx.doi.org/10.1021/la102842a.

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16

Raj, A. Thirumal, Supriya Kheur, Zohaib Khurshid, et al. "The Growth Factors and Cytokines of Dental Pulp Mesenchymal Stem Cell Secretome May Potentially Aid in Oral Cancer Proliferation." Molecules 26, no. 18 (2021): 5683. http://dx.doi.org/10.3390/molecules26185683.

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Background: Growth factors and cytokines responsible for the regenerative potential of the dental pulp mesenchymal stem cell secretome (DPMSC-S) are implicated in oral carcinogenesis. The impact and effects of these secretory factors on cancer cells must be understood in order to ensure their safe application in cancer patients. Objective: We aimed to quantify the growth factors and cytokines in DPMSC-S and assess their effect on oral cancer cell proliferation. Materials and methods: DPMSCs were isolated from patients with healthy teeth (n = 5) that were indicated for extraction for orthodonti

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17

Ni, Qingjian, and Jianming Deng. "Analysis of Population Diversity of Dynamic Probabilistic Particle Swarm Optimization Algorithms." Mathematical Problems in Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/762015.

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In evolutionary algorithm, population diversity is an important factor for solving performance. In this paper, combined with some population diversity analysis methods in other evolutionary algorithms, three indicators are introduced to be measures of population diversity in PSO algorithms, which are standard deviation of population fitness values, population entropy, and Manhattan norm of standard deviation in population positions. The three measures are used to analyze the population diversity in a relatively new PSO variant—Dynamic Probabilistic Particle Swarm Optimization (DPPSO). The resu

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18

López Cascales, J. J., T. F. Otero, Bradley D. Smith, Carlos González, and M. Márquez. "Model of an Asymmetric DPPC/DPPS Membrane: Effect of Asymmetry on the Lipid Properties. A Molecular Dynamics Simulation Study." Journal of Physical Chemistry B 110, no. 5 (2006): 2358–63. http://dx.doi.org/10.1021/jp0562680.

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19

YIN, JUN, and YA-PU ZHAO. "MOLECULAR DYNAMICS SIMULATION OF ADHESION FORCES IN A DIPALMITOYLPHOSPHATIDYLCHOLINE MEMBRANE." Surface Review and Letters 14, no. 04 (2007): 671–75. http://dx.doi.org/10.1142/s0218625x07010056.

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Adhesion forces of Dipalmitoylphosphatidylcholine (DPPC) membrane in the gel phase are investigated by molecular dynamics (MD) simulation. In the simulations, individual DPPC molecules are pulled out of DPPC membranes with different rates and we get the maximum adhesion forces of DPPC membrane. We find that the maximum adhesion forces increase with pull rate, from about 400 to 700 pN when pull rates are from 0.001 to 0.03 nm/ps. We analyze the relationship between pull rate and adhesion forces of different origins using Brownian dynamics and notice that viscosity of solvent plays an important

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20

Kanada, Saki, Eriko Makino, Nobuhisa Nakamura, et al. "Direct Comparison of Therapeutic Effects on Diabetic Polyneuropathy between Transplantation of Dental Pulp Stem Cells and Administration of Dental Pulp Stem Cell-Secreted Factors." International Journal of Molecular Sciences 21, no. 17 (2020): 6064. http://dx.doi.org/10.3390/ijms21176064.

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Stem cell transplantation is a potential novel therapy for diabetic polyneuropathy. Dental pulp stem cells (DPSCs) are attractive stem cell sources because DPSCs can be isolated from extracted teeth and cryopreserved while retaining viability. In this study, we directly compared the efficacy of the transplantation of DPSCs and the administration of the secreted factors from DPSCs (DPSC-SFs) on diabetic polyneuropathy. Eight weeks after streptozotocin injection, DPSCs (1.0 × 106 cells/rat) or DPSC-SFs (1.0 mL/rat) were administered into the unilateral hindlimb skeletal muscles of diabetic Sprag

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21

Fisher, Aron B., and Chandra Dodia. "Lysosomal-type PLA2and turnover of alveolar DPPC." American Journal of Physiology-Lung Cellular and Molecular Physiology 280, no. 4 (2001): L748—L754. http://dx.doi.org/10.1152/ajplung.2001.280.4.l748.

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This study evaluated the role of a lysosomal-type phospholipase A2(aiPLA2) in the degradation of internalized dipalmitoylphosphatidylcholine (DPPC) and in phospholipid synthesis by the rat lung. Uptake and degradation of DPPC were measured in isolated perfused rat lungs over 3 h following endotracheal instillation of [3H]DPPC in mixed unilamellar liposomes plus or minus MJ33, a specific inhibitor of lung aiPLA2. Uptake of DPPC was calculated from total tissue-associated radiolabel, and degradation was calculated from the sum of radiolabel in degradation products. Both uptake and degradation we

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22

Chang, B., C. Ma, J. Feng, K. K. H. Svoboda, and X. Liu. "Dental Pulp Stem Cell Polarization: Effects of Biophysical Factors." Journal of Dental Research 100, no. 10 (2021): 1153–60. http://dx.doi.org/10.1177/00220345211028850.

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Dental pulp stem cells (DPSCs) have the potential to polarize, differentiate, and form tubular dentin under certain conditions. However, the factors that initiate and regulate DPSC polarization and its underlying mechanism remain unclear. Identification of the factors that control DPSC polarization is a prerequisite for tubular dentin regeneration. We recently developed a unique bioinspired 3-dimensional platform that is capable of deciphering the factors that initiate and modulate cell polarization. The bioinspired platform has a simple background and confines a single cell on each microislan

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23

Megat Abdul Wahab, Rohaya, Nur Akmal Mohamed Rozali, Sahidan Senafi, Intan Zarina Zainol Abidin, Zaidah Zainal Ariffin, and Shahrul Hisham Zainal Ariffin. "Impact of isolation method on doubling time and the quality of chondrocyte and osteoblast differentiated from murine dental pulp stem cells." PeerJ 5 (June 14, 2017): e3180. http://dx.doi.org/10.7717/peerj.3180.

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Background Stem cells are normally isolated from dental pulps using the enzymatic digestion or the outgrowth method. However, the effects of the isolation method on the quality of the isolated stem cells are not studied in detail in murine models. The aim of this study was to compare the matrices secreted by osteoblast and chondrocytes differentiated from dental pulp stem cells isolated through different means. Method DPSC from murine incisors were isolated through either the outgrowth (DPSC-OG) or the enzymatic digestion (DPSC-ED) method. Cells at passage 4 were used in this study. The cells

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24

Suchánková Kleplová, Tereza, Tomáš Soukup, Vít Řeháček, and Jakub Suchánek. "Human Plasma and Human Platelet-rich Plasma as a Substitute for Fetal Calf Serum during Long-term Cultivation of Mesenchymal Dental Pulp Stem Cells." Acta Medica (Hradec Kralove, Czech Republic) 57, no. 3 (2014): 119–26. http://dx.doi.org/10.14712/18059694.2014.50.

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Aims: Our aims were to isolate and cultivate mesenchymal dental pulp stem cells (DPSC) in various media enriched with human blood components, and subsequently to investigate their basic biological properties. Methods: DPSC were cultivated in five different media based on α MEM containing different concentrations of human plasma (HP), platelet-rich plasma (PRP), or fetal calf serum (FCS). The DPSC biological properties were examined periodically. Results: We cultivated DPSC in the various cultivation media over 15 population doublings except for the medium supplemented with 10% HP. Our results

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25

Tsuzuki, A., Y. Kuroki, and T. Akino. "Pulmonary surfactant protein A-mediated uptake of phosphatidylcholine by alveolar type II cells." American Journal of Physiology-Lung Cellular and Molecular Physiology 265, no. 2 (1993): L193—L199. http://dx.doi.org/10.1152/ajplung.1993.265.2.l193.

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Pulmonary surfactant protein A (SP-A)-mediated uptake of phosphatidylcholine (PC) by alveolar type II cells was investigated. SP-A enhanced the uptake of liposomes containing dipalmitoylphosphatidylcholine (DPPC), 1-palmitoyl-2-linoleoyl phosphatidylcholine (PLPC), or 1,2-dihexadecyl-sn-glycero-3-phosphocholine (DPPC-ether), a diether analogue of DPPC, but about twice as much DPPC was taken up by type II cells as PLPC or DPPC-ether. When subcellular distribution was analyzed, 51.3 +/- 2.9% (mean +/- SD, n = 3) of cell-associated radiolabeled DPPC was recovered in the lamellar body-rich fractio

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Falco, Enzo, and Reinout Kleinhans. "Digital Participatory Platforms for Co-Production in Urban Development." International Journal of E-Planning Research 7, no. 3 (2018): 52–79. http://dx.doi.org/10.4018/ijepr.2018070105.

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A renewed interest has appeared in citizen co-production of public services due to financial pressure on governments. While social media are considered an important facilitator, many digital participatory platforms (DPPs) have been developed to facilitate co-production between citizens and governments in the context of urban development. Previous studies have delivered a fragmented overview of DPPs in a few socio-spatial contexts and failed to take stock of the rise of DPPs. This article aims to provide a more comprehensive picture of the availability and functionalities of DPPs. Through a sys

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Park, Jun Young, Ga Eul Chu, Sanghyo Park, et al. "Therapeutic Efficacy of Curcumin Enhanced by Microscale Discoidal Polymeric Particles in a Murine Asthma Model." Pharmaceutics 12, no. 8 (2020): 739. http://dx.doi.org/10.3390/pharmaceutics12080739.

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Curcumin is considered a potential anti-asthmatic agent owing to its anti-inflammatory properties. The objective of the present study was to prepare curcumin-containing poly(lactic-co-glycolic acid)-based microscale discoidal polymeric particles (Cur-PLGA-DPPs) and evaluate their anti-asthmatic properties using a murine asthma model. Cur-PLGA-DPPs were prepared using a top-down fabrication method. The prepared Cur-PLGA-DPPs had a mean particle size of 2.5 ± 0.4 μm and a zeta potential value of −34.6 ± 4.8 mV. Ex vivo biodistribution results showed that the Cur-PLGA-DPPs mainly accumulated in t

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28

Toimil, Paula, Gerardo Prieto, José Miñones Jr, and Félix Sarmiento. "A comparative study of F-DPPC/DPPC mixed monolayers. Influence of subphase temperature on F-DPPC and DPPC monolayers." Physical Chemistry Chemical Physics 12, no. 40 (2010): 13323. http://dx.doi.org/10.1039/c0cp00506a.

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29

Xia, Yuqiong, Shuo Qi, Xinlong Zhang, et al. "Construction of thermal- and light-responsive liposomes noncovalently decorated with gold nanoparticles." RSC Adv. 4, no. 84 (2014): 44568–74. http://dx.doi.org/10.1039/c4ra07600a.

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GNP–DPPC, a gold nanoparticle-decorated DPPC liposome complex, can release encapsulated dyes upon heating or illumination. GNP–DPPC also has a faster thermal response and higher critical leakage temperature than liposomes.

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30

Bae, Sejin, Bueonguk Kang, Hyungbin Lee, Harrison Luu, Eric Mullins, and Karl Kingsley. "Characterization of Dental Pulp Stem Cell Responses to Functional Biomaterials Including Mineralized Trioxide Aggregates." Journal of Functional Biomaterials 12, no. 1 (2021): 15. http://dx.doi.org/10.3390/jfb12010015.

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Introduction: Many studies in stem cell biology have demonstrated that dental pulp stem cells (DPSC) may be highly proliferative and capable of pluripotent differentiation into many different tissue types. Recent advances in stem cell research have outlined methods for directing in vitro or in vivo growth, viability, and proliferation, as well as differentiation of DPSC—although much remains to be discovered. Based upon this information, the primary objective of this study was to understand the functional biomaterials needed to more effectively direct DPSC viability, growth, and proliferation.

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31

Schultz, Alison R., Gregory B. Fahs, Chainika Jangu, Mingtao Chen, Robert B. Moore, and Timothy E. Long. "Phosphonium-containing diblock copolymers from living anionic polymerization of 4-diphenylphosphino styrene." Chemical Communications 52, no. 5 (2016): 950–53. http://dx.doi.org/10.1039/c5cc08699j.

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Living anionic polymerization of 4-diphenylphosphino styrene (DPPS) achieved well-defined homopolymers, poly(DPPS-b-S) styrenic block copolymers, and poly(I-b-DPPS) diene-based diblock copolymers with predictable molecular weights and narrow polydispersities.

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32

Suchánek, Jakub, Tereza Suchánková Kleplová, Martin Kapitán, and Tomáš Soukup. "THE EFFECT OF FETAL CALF SERUM ON HUMAN DENTAL PULP STEM CELLS." Acta Medica (Hradec Kralove, Czech Republic) 56, no. 4 (2013): 142–49. http://dx.doi.org/10.14712/18059694.2014.9.

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Aims: Authors studied potential side effects of fetal calf serum (FCS) in cultivation media on human dental pulp stem cells (DPSC) during long term cultivation. Methods: Two lines of DPSC obtained healthy donors (male 22 years, female 23 years) were used. Both lines were cultivated under standard cultivation conditions in four different media containing 10% or 2% FCS and substituted with growth factors. During long term cultivation proliferation ability, karyotype and phenotype of DPSC were measured. Results: Both lines of DPSC cultivated in a media containing 2% FCS and ITS supplement showed

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Fukui, Yoshiko, Keiko Shindoh, Yumiko Yamamoto, et al. "Establishment of a Cell-Based Assay for Screening of Compounds Inhibiting Very Early Events in the Cytomegalovirus Replication Cycle and Characterization of a Compound Identified Using the Assay." Antimicrobial Agents and Chemotherapy 52, no. 7 (2008): 2420–27. http://dx.doi.org/10.1128/aac.00134-08.

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ABSTRACT To simplify the detection of infectious human cytomegalovirus (HCMV), we generated a cell line that produced luciferase in a dose-dependent manner upon HCMV infection. Using this cell line, we identified anti-HCMV compounds from a diverse library of 9,600 compounds. One of them, 1-(3,5-dichloro-4-pyridyl)piperidine-4-carboxamide (DPPC), was effective against HCMV (Towne strain) infection of human lung fibroblast cells at a 50% effective concentration of 2.5 μM. DPPC also inhibited the growth of clinical HCMV isolates and guinea pig and mouse cytomegaloviruses. Experiments using variou

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34

Williams, Ian, and Todd M. Squires. "Evolution and mechanics of mixed phospholipid fibrinogen monolayers." Journal of The Royal Society Interface 15, no. 141 (2018): 20170895. http://dx.doi.org/10.1098/rsif.2017.0895.

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All mammals depend on lung surfactant (LS) to reduce surface tension at the alveolar interface and facilitate respiration. The inactivation of LS in acute respiratory distress syndrome (ARDS) is generally accompanied by elevated levels of fibrinogen and other blood plasma proteins in the alveolar space. Motivated by the mechanical role fibrinogen may play in LS inactivation, we measure the interfacial rheology of mixed monolayers of fibrinogen and dipalmitoylphosphatidylcholine (DPPC), the main constituent of LS, and compare these to the single species monolayers. We find DPPC to be ineffectiv

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Millam, Jason L., and Zhongguo (John) Ma. "Single-Lane Live Load Distribution Factor for Decked Precast, Prestressed Concrete Girder Bridges." Transportation Research Record: Journal of the Transportation Research Board 1928, no. 1 (2005): 142–52. http://dx.doi.org/10.1177/0361198105192800116.

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The live load distribution factor equations provided by AASHTO load and resistance factor design specifications for the decked precast, prestressed concrete (DPPC) girder bridge system do not differentiate between a single-lane or a multilane loaded condition. This practice results in a single-lane load rating penalty for DPPC girder bridges. This paper determines distribution factor equations that accurately predict the distribution factor of the DPPC girder bridge system when it is subjected only to single-lane loading. Eight DPPC girder bridges were instrumented. Each bridge was loaded with

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Rider, Evelyn D., Machiko Ikegami, Kent E. Pinkerton, Janice L. Peake, and Alan H. Jobe. "Lysosomes from rabbit type II cells catabolize surfactant lipids." American Journal of Physiology-Lung Cellular and Molecular Physiology 278, no. 1 (2000): L68—L74. http://dx.doi.org/10.1152/ajplung.2000.278.1.l68.

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The role of a lysosome fraction from rabbit type II cells in surfactant dipalmitoylphosphatidylcholine (DPPC) catabolism was investigated in vivo using radiolabeled DPPC and dihexadecylphosphatidylcholine (1,2-dihexadecyl- sn-glycero-3-phosphocholine; DEPC), a phospholipase A1- and A2-resistant analog of DPPC. Freshly isolated type II cells were gently disrupted by shearing, and lysosomes were isolated with Percoll density gradients (density range 1.0591–1.1457 g/ml). The lysosome fractions were relatively free of contaminating organelles as determined by electron microscopy and organelle mark

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Boggs, J. M., D. Mulholland, and K. M. Koshy. "Mixtures of semisynthetic species of cerebroside sulfate with dipalmitoyl phosphatidylcholine. Thermotropic phase behavior and permeability." Biochemistry and Cell Biology 68, no. 1 (1990): 70–82. http://dx.doi.org/10.1139/o90-009.

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The phase behavior of mixtures of dipalmitoyl phosphatidylcholine (DPPC) with semisynthetic species of cerebroside sulfate (CBS) containing palmitic acid (C16:0-CBS) or lignoceric acid (C24:0-CBS) in 0.1 M KCl was studied using differential scanning calorimetry. DPPC and C16:0-CBS were miscible in all proportions in the gel phase above 10 mol% CBS and in the liquid-crystalline phase. However, C24:0-CBS was less miscible with DPPC over a wide concentration range in the gel phase. At high CBS concentrations it was probably also not entirely miscible with DPPC in the liquid-crystalline phase. Sma

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Kordyukova, L. V., A. L. Ksenofontov, G. A. Badun, L. A. Baratova, and A. V. Shishkov. "Studying Liposomes by Tritium Bombardment." Bioscience Reports 21, no. 6 (2001): 711–18. http://dx.doi.org/10.1023/a:1015572321508.

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Bilayer liposomes from a mixture of dipalmitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylethanolamine (DPPC:DPPE=8:2, molar ratio) or DPPC labeled with 14C-DPPC (DPPC:14C-DPPC) were bombarded with thermally activated tritium atoms. The tritiated liposomes were hydrolyzed by phospholipase C, and the tritium incorporation into different parts of the bilayer along its thickness was determined. The tritium flux attenuation coefficients were calculated for the headgroup (k1=0.176±0.032 Å−1) and acylglycerol residue (k2=0.046±0.004 Å−1) layers indicating a preferential attenuation of the

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Oku, Takeo, Masaya Taguchi, Atsushi Suzuki, et al. "Effects of Polysilane Addition to Chlorobenzene and High Temperature Annealing on CH3NH3PbI3 Perovskite Photovoltaic Devices." Coatings 11, no. 6 (2021): 665. http://dx.doi.org/10.3390/coatings11060665.

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CH3NH3PbI3 perovskite photovoltaic devices treated with a polysilane layer were fabricated and characterized. Decaphenylcyclopentasilane (DPPS) in chlorobenzene solution was deposited at the surface of the perovskite layer, and the resulting device was annealed at 140–260 °C. The photoconversion efficiencies of the DPPS-treated device remained high even after 255 days in ambient air. Raman scattering spectroscopy and ab initio molecular orbital calculations of DPPS suggested that it increased hole transport efficiency in the treated devices, which was confirmed from the high shunt resistances

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Arsenijevic, Dragana, Bojana Stojanovic, Jelena Milovanovic, et al. "Hepatoprotective Effect of Mixture of Dipropyl Polysulfides in Concanavalin A-Induced Hepatitis." Nutrients 13, no. 3 (2021): 1022. http://dx.doi.org/10.3390/nu13031022.

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The main biologically active components of plants belonging to the genus Allium, responsible for their biological activities, including anti-inflammatory, antioxidant and immunomodulatory, are organosulfur compounds. The aim of this study was to synthetize the mixture of dipropyl polysulfides (DPPS) and to test their biological activity in acute hepatitis. C57BL/6 mice were administered orally with DPPS 6 h before intravenous injection of Concanavalin A (ConA). Liver inflammation, necrosis and hepatocytes apoptosis were determined by histological analyses. Cytokines in liver tissue were determ

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Hallman, M., U. Lappalainen, and K. Bry. "Clearance of intra-amniotic lung surfactant: uptake and utilization by the fetal rabbit lung." American Journal of Physiology-Lung Cellular and Molecular Physiology 273, no. 1 (1997): L55—L63. http://dx.doi.org/10.1152/ajplung.1997.273.1.l55.

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To investigate the metabolism of intra-amniotic surfactant, surfactant containing double-labeled dipalmitoylphosphatidylcholine (DPPC) was injected in amniotic fluid on days 23-27 of gestation. Within 44 h, DPPC was distributed to the gastrointestinal tract (45.9%), fetal membranes and placenta (8.2%), fetal lung (6.6%), and liver (1.9%). DPPC uptake was higher in the upper than in the lower lung lobes. The mixture of phosphatidylglycerol and DPPC increased the uptake of DPPC that was not saturable (range 15-60 mg phospholipid). There was no detectable metabolism of DPPC taken up by the fetal

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POGHOSYAN, ARMEN H., HRANT H. GHARABEKYAN, and ARAM A. SHAHINYAN. "MOLECULAR DYNAMICS SIMULATIONS OF DMPC/DPPC MIXED BILAYERS." International Journal of Modern Physics C 18, no. 01 (2007): 73–89. http://dx.doi.org/10.1142/s0129183107010267.

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We have performed the atomistic MD simulation of dimyristoylphosphatidylcholine(DMPC)/dipalmitoylphosphatidylcholine(DPPC) mixed bilayers, consisting of various fraction of lipids, i.e., with fraction 0.25, 0.5 and 0.75 and hydration level 33 water molecules per lipid. The simulations were performed using NAMD code.The area per lipid, densities, orientational order parameters and tilt angle of hydrocarbon chain and also the interdigitation of chains were calculated. It has been established that the interdigitation degree of hydrocarbon chains is increased as the DPPC fraction is decreased. It

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Sun, Hai-Yuan, Fu-Gen Wu, Zhi-Hong Li, Geng Deng, Yu Zhou, and Zhi-Wu Yu. "Phase behavior of a binary lipid system containing long- and short-chain phosphatidylcholines." RSC Advances 7, no. 10 (2017): 5715–24. http://dx.doi.org/10.1039/c6ra24961b.

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Casals, C., E. Miguel, and J. Perez-Gil. "Tryptophan fluorescence study on the interaction of pulmonary surfactant protein A with phospholipid vesicles." Biochemical Journal 296, no. 3 (1993): 585–93. http://dx.doi.org/10.1042/bj2960585.

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The fluorescence characteristics of surfactant protein A (SP-A) from porcine and human bronchoalveolar lavage were determined in the presence and absence of lipids. After excitation at either 275 or 295 nm, the fluorescence emission spectrum of both proteins was characterized by two maxima at about 326 and 337 nm, indicating heterogeneity in the emission of the two tryptophan residues of SP-A, and also revealing a partially buried character for these fluorophores. Interaction of both human and porcine SP-A with various phospholipid vesicles resulted in an increase in the fluorescence emission

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Nag, Kaushik, James G. Munro, Kevin Inchley, Samuel Schürch, Nils O. Petersen, and Fred Possmayer. "SP-B refining of pulmonary surfactant phospholipid films." American Journal of Physiology-Lung Cellular and Molecular Physiology 277, no. 6 (1999): L1179—L1189. http://dx.doi.org/10.1152/ajplung.1999.277.6.l1179.

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Pulmonary surfactant stabilizes the alveoli by lining the air-fluid interface with films that reduce surface tension to near 0 mN/m (γmin). Surfactant protein B (SP-B) enhances the surface activity of surfactant phospholipids. A captive bubble tensiometer (CBT) was used to study the properties of adsorbed films of dipalmitoylphosphatidylcholine (DPPC) with acidic 1-palmitoyl-2-oleoyl- sn-glycero-3-[phospho- rac-(1-glycerol)] (POPG) or neutral 1-palmitoyl-2-oleoyl- sn-glycerol-3-phosphocholine with (7:3) and without 1% dimeric SP-B. SP-B enhanced the adsorption rate of DPPC-containing neutral o

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Jain, Deepika, Chandra Dodia, Sandra R. Bates, Samuel Hawgood, Francis R. Poulain, and Aron B. Fisher. "SP-A is necessary for increased clearance of alveolar DPPC with hyperventilation or secretagogues." American Journal of Physiology-Lung Cellular and Molecular Physiology 284, no. 5 (2003): L759—L765. http://dx.doi.org/10.1152/ajplung.00200.2002.

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The role of surfactant protein-A (SP-A) in pulmonary uptake and metabolism of [3H]dipalmitoylphosphatidylcholine ([3H]DPPC) was studied in SP-A gene-targeted mice (SP-A −/−). Unilamellar liposomes were instilled into the trachea of anesthetized mice. Uptake was measured as dpm in lungs plus liver and kidney for in vivo experiments and in lungs and perfusate for isolated lung experiments. [3H]DPPC uptake increased with CO2-induced hyperventilation in wild-type mice (SP-A +/+) but was unchanged in SP-A −/−. Secretagogue treatment approximately doubled the uptake of [3H]DPPC in isolated lungs fro

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Song, Ji-Soo, Ho-Chung Chung, Dae-Keun Im, and Young-Jae Kim. "Effects of the Dental Preventive Health Services for Children on Oral Health-Related Quality of Life." JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY 47, no. 4 (2020): 427–37. http://dx.doi.org/10.5933/jkapd.2020.47.4.427.

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The purpose of this study was to investigate the effects of public preventive dental healthcare services named the “Dental Preventive Health Services for Children” (DPHSC) on oral health-related quality of life (OHRQoL) in Korean children. Of the total 20,802 beneficiaries in 2018, 110 10-year-old elementary school students were randomly selected and were requested to complete a survey using the Korean version of Child Oral Health Impact Profile (COHIP) questionnaire before and after participating in DPHSC. Overall, 107 participants completed the pre- and post-survey. COHIP scores and clinical

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Isseroff, Rebecca, John Chen, Zaiff Khan, et al. "Creating a Novel Graphene Oxide/Iron/Polylactic Acid Composite that Promotes Dental Pulp Stem Cell Proliferation and Mineralization." MRS Advances 3, no. 30 (2018): 1725–33. http://dx.doi.org/10.1557/adv.2018.364.

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ABSTRACTDental pulp stem cells (DPSCs) can differentiate into bone cells when provided the correct environment, potentially generating cells to repair non-union fractures. Polylactic Acid (PLA) is a biocompatible polymer for 3-D printing of scaffolds, but DPSCs do not proliferate well on PLA. With the goal of making PLA more conducive for DPSC growth, Graphene Oxide (GO); partially reduced Graphene Oxide (pRGO); GO with iron nanoparticles (FeGO) or Fe-pRGO were incorporated into PLA and spun cast as thin films onto silicon wafers for DPSC plating. DPSCs on Fe-pRGO displayed the fastest doublin

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Tonks, Alex, Joan Parton, Amanda J. Tonks, et al. "Surfactant phospholipid DPPC downregulates monocyte respiratory burst via modulation of PKC." American Journal of Physiology-Lung Cellular and Molecular Physiology 288, no. 6 (2005): L1070—L1080. http://dx.doi.org/10.1152/ajplung.00386.2004.

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Pulmonary surfactant phospholipids have been shown previously to regulate inflammatory functions of human monocytes. This study was undertaken to delineate the mechanisms by which pulmonary surfactant modulates the respiratory burst in a human monocytic cell line, MonoMac-6 (MM6). Preincubation of MM6 cells with the surfactant preparations Survanta, Curosurf, or Exosurf Neonatal inhibited the oxidative response to either lipopolysaccharide (LPS) and zymosan or phorbol 12-myristate 13-acetate (PMA) by up to 50% ( P < 0.01). Preincubation of MM6 cells and human peripheral blood monocytes with

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Sandra, Ferry, Janti Sudiono, Yohanna Feter, et al. "Investigation on Cell Surface Markers of Dental Pulp Stem Cell Isolated from Impacted Third Molar Based on International Society for Cellular Therapy Proposed Mesenchymal Stem Cell Markers." Molecular and Cellular Biomedical Sciences 3, no. 1 (2019): 1. http://dx.doi.org/10.21705/mcbs.v3i1.34.

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Background: Recently we have isolated and cultured dental pulp stem cell (DPSC) derived from impacted third molar (DPSC-M3). The DPSC-M3 was suggested as mesenchymal stem cell, however the cell surface markers were not completely clarified. Therefore current study was conducted to investigate the markers.Materials and Methods: Passage 5 DPSC-M3 was cultured, labeled and examined with flow cytometer. All markers were investigated according to the proposed cell surface marker panel for the minimal identification of human mesenchymal stem cell (MSC) by International Society for Cellular Therapy (

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