Triblock
Mostrando 25-31 de 31 artigos, teses e dissertações.
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25. Hydrophobic effect of the macromolecules on partitioning of the cyanocomplexes in aqueous two phase systems / Efeito hidrofóbico de macromoléculas sobre a partição de cianocomplexos em sistemas aquosos bifásicos
Dados de equilíbrio de fase de sistemas aquosos bifásicos (SABs) formados pela mistura de copolímero tribloco, fosfato de potássio (pH=7) e água foram determinados neste trabalho em três temperaturas 10C, 25C e 40C e com dois tipos de copolímeros L35 (1900g.mol-1) e F68 (8400g.mol-1). Copolímero tribloco é uma macromolécula do tipo PEO-PPO-PEO onde
Publicado em: 2006
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26. The effects of ethylene oxide containing lipopolymers and tri-block copolymers on lipid bilayers of dipalmitoylphosphatidylcholine.
A comparative study is conducted on the influence of two types of polymeric compounds on the phase behavior of 1,2-dihexadecanoyl-s,n-glycero-3-phosphotidylcholine (DC16PC) lipid bilayers. The first polymeric compound is a lipopolymer, with two different lengths of a hydrophilic polyethylene oxide moity, anchored to the bilayer by a 1,2-dioctadecanoyl-s,n-gl
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27. Chemically induced supramolecular reorganization of triblock copolymer assemblies: Trapping of intermediate states via a shell-crosslinking methodology
The mechanism of morphological phase transitions was studied for rod-shaped supramolecular assemblies comprised of a poly(acrylic acid)-block-poly(methyl acrylate)-block-polystyrene (PAA90-b-PMA80-b-PS100) triblock copolymer in 33% tetrahydrofuran/water after perturbation by reaction with a positively charged water-soluble carbodiimide. Tetrahydrofuran solva
National Academy of Sciences.
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28. Virus-assisted loading of polymer nanocontainer
We present a DNA-containing polymeric nanocontainer using the self-assembled superstructure of amphiphilic block copolymers in aqueous solutions. To demonstrate that DNA translocation is possible across a completely synthetic block copolymer membrane, we have used a phage transfection strategy as a DNA-transfer model system. For this purpose the bacterial ch
National Academy of Sciences.
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29. Influence of the Amino-Acid Sequence on the Inverse Temperature Transition of Elastin-Like Polymers
This work explores the dependence of the inverse temperature transition of elastin-like polymers (ELPs) on the amino-acid sequence, i.e., the amino-acid arrangement along the macromolecule and the resulting linear distribution of the physical properties (mainly polarity) derived from it. The hypothesis of this work is that, in addition to mean polarity and m
The Biophysical Society.
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30. Electrophoresis in lyotropic polymer liquid crystals
Excellent electrophoretic separations of a variety of biological molecules can be accomplished by using uncharged, triblock copolymers as the “gel” media. These copolymers form uncrosslinked, lyotropic liquid crystalline phases of large micelles between which molecules must travel. Unlike crosslinked hydrogels in common use, these alternative media have
The National Academy of Sciences.
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31. Systemic delivery of antisense oligoribonucleotide restores dystrophin expression in body-wide skeletal muscles
Antisense oligonucleotide-mediated alternative splicing has great potential for treatment of Duchenne muscular dystrophy (DMD) caused by mutations within nonessential regions of the dystrophin gene. We have recently shown in the dystrophic mdx mouse that exon 23, bearing a nonsense mutation, can be skipped after intramuscular injection of a specific 2′-O-m
National Academy of Sciences.