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6,667 Newest Publications about the topic molecular weight

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Cell-penetrating Compounds Preferentially Bind Glycosaminoglycans over Plasma Membrane Lipids in a Charge Density- and Stereochemistry-dependent Manner

23-Aug-2015 | Author(s): Lisa E. Prevette, Nicolas C. Benish, Amber R. Schoenecker, Kristin J. Braden, Biophysical Chemistry, 2015

Publication date: Available online 22 August 2015 Source:Biophysical Chemistry Author(s): Lisa E. Prevette, Nicolas C. Benish, Amber R. Schoenecker, Kristin J. Braden Cell-penetrating compounds (CPCs) are often conjugated to drugs and genes to facilitate cellular uptake. We ...

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A molecular simulation study of the glass transition of cross-linked poly(dicyclopentadiene) networks

23-Aug-2015 | Author(s): Robert M. Elder, Jan W. Andzelm, Timothy W. Sirk, Chemical Physics Letters, 2015

Publication date: 16 September 2015 Source:Chemical Physics Letters, Volume 637 Author(s): Robert M. Elder, Jan W. Andzelm, Timothy W. Sirk Cross-linked polymer networks are widely used as structural and protective materials, which require strength and toughness. Experiments have ...

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Synthesis of an esterase‐sensitive degradable polyester as facile drug carrier for cancer therapy

22-Aug-2015 | Zhuxian Zhou, William J. Murdoch, Youqing Shen, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Polyethylene glycol (PEG) is widely used as a carrier to improve the pharmaceutical properties of drugs with low molecular weight. However, PEG has few functional groups (usually two) for drug conjugation and the resulting low drug content (1–2%) has hampered its clinical ...

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Structures and properties of polycarbonate modified polyether‐polyurethanes prepared by transurethane polycondensation

21-Aug-2015 | Bingling Liu, Hengshui Tian, Lihu Zhu, Journal of Applied Polymer Science, 2015

ABSTRACT Thermoplastic polycarbonate modified polyether‐polyurethane (PEPU) elastomers were prepared by transurethane polycondensation method using poly(oxytetramethylene) glycol of Mn = 2000 and dimethyl‐hexane‐1,6‐dicarbamate as the main raw materials, 1,4‐butanediol as a chain extender and ...

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Effect of γ‐irradiation on glycolysis of PET waste and preparation of ecofriendly coatings using bio‐based and recycled materials

21-Aug-2015 | Vandana Jamdar, Mukesh Kathalewar, R.N. Jagtap, Kumar Abhinav Dubey, Anagha Sabnis, Polymer Engineering and Science, 2015

Recycling of postconsumer poly (ethylene terephthalate) (PET) is a worldwide concern due to large increasing volume of these materials produced by society. In the present study, we report the effect of gamma irradiation on degradation of PET and its subsequent effect on glycolysis by using ...

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Thermal stimuli‐responsive behavior of pyrene end‐functionalized PDMS through tunable Π–Π interactions

21-Aug-2015 | Heonjoo Ha, Kadhiravan Shanmuganathan, Yunping Fei, Christopher J. Ellison, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT Pyrene end‐functionalized, telechelic poly(dimethyl siloxane) (PDMS) materials were synthesized and their response to different thermal stimuli was evaluated. The incorporation of pyrene end groups introduces strong π–π interactions that facilitated a broad range of thermally ...

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Comprehensive Size-Determination of Whole Virus Vaccine Particles Using Gas-Phase Electrophoretic Mobility Macromolecular Analyzer, Atomic Force Microscopy, and Transmission Electron Microscopy

21-Aug-2015 | Marlene Havlik; Martina Marchetti-Deschmann; Gernot Friedbacher; Wolfgang Winkler; Paul Messner; Laura Perez-Burgos; ..., Analytical Chemistry, 2015

Biophysical properties including particle size distribution, integrity, and shape of whole virus vaccine particles at different stages in tick-borne encephalitis (TBE) vaccines formulation were analyzed by a new set of methods. Size-exclusion chromatography (SEC) was used as a conservative sample ...

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Synthesis of blocked and branched waterborne polyurethanes for pigment printing applications

20-Aug-2015 | Haiyan Mao, Siyu Qiang, Fan Yang, Caiyun Zhao, Chaoxia Wang, Yunjie Yin, Journal of Applied Polymer Science, 2015

ABSTRACT A series of blocked and branched waterborne polyurethanes (BBPUs) have been successfully synthesized and applied in pigment printing of cellulosic substrate. The branched structure was based on an “A2 + CB2” approach with diisocyanate prepolymer and diethanol amine. The terminal ...

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Minimization of Synthetic Polymer Ligands for Specific Recognition and Neutralization of a Toxic Peptide

20-Aug-2015 | Haejoo Lee; Yu Hoshino; Yusuke Wada; Yuka Arata; Atsushi Maruyama; Yoshiko Miura, Journal of the American Chemical Society, 2015

Synthetic polymer ligands (PLs) that recognize and neutralize specific biomacromolecules have attracted attention as stable substitutes for ligands such as antibodies and aptamers. PLs have been reported to strongly interact with target proteins and can be prepared by optimizing the combination ...

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Rate Accelerated Organocatalytic Ring-Opening Polymerization of l-Lactide via the Application of a Bis(thiourea) H-bond Donating Cocatalyst

20-Aug-2015 | Samuel S. Spink; Oleg I. Kazakov; Elizabeth T. Kiesewetter; Matthew K. Kiesewetter, Macromolecules, 2015

A cocatalyst system consisting of an alkylamine base and a bis(thiourea) featuring a linear alkane tether is shown to dramatically increase the rate of ring-opening polymerization (ROP) of l-lactide versus previously disclosed monothiourea H-bond donors. Rate acceleration occurs regardless of the ...

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