نتایج جستجو برای: polyamide sheet
تعداد نتایج: 42125 فیلتر نتایج به سال:
In an effort to quantitate Py-Im polyamide concentrations in vivo, we synthesized the C-14 radioactively labeled compounds 1-3, and investigated their tumor localization in a subcutaneous xenograft model of prostate cancer (LNCaP). Tumor concentrations were compared with representative host tissues, and exhibited a certain degree of preferential localization to the xenograft. Compound accumulat...
The functional silica/polyamide-imide composite films were prepared via simple ultrasonic blending, after the silica nanoparticles were modified by cationic surfactant-cetyltrimethyl ammonium bromide (CTAB). The composite films were characterized by scanning electron microscope (SEM), thermo gravimetric analysis (TGA) and thermomechanical analysis (TMA). CTAB-modified silica nanoparticles were ...
The design of molecules that damage a selected DNA sequence provides a formidable opportunity for basic and applied biology. For example, such molecules offer new prospects for controlled manipulation of the genome. The conjugation of DNA-code reading molecules such as polyamides to reagents that induce DNA damages provides an approach to reach this goal. In this work, we showed that a bipyridi...
Aberrant overexpression of ERG induced by the TMPRSS2-ERG gene fusion is likely involved in the development of prostate cancer. Synthetic pyrrole-imidazole (PI) polyamides recognize and attach to the minor groove of DNA with high affinity and specificity. In the present study, we designed a PI polyamide targeting TMPRSS2-ERG translocation breakpoints and assessed its effect on human prostate ca...
In this study, acicular nano-hydroxyapatite (n-HA) was used to make a new biomimetic composite with polyamide (poly hexamethylene adipamide) by a unique technique. The physical and chemical characteristics of the composites were tested. It was found that these synthesized n-HA crystals were similar to bone apatite in size, phase composition and crystal structure. The biomimetic n-HA crystals we...
The Nucleosome Core Particle (NCP) is the minimal unit in eukaryotic chromatin and a unique target for DNA-binding polyamides. The ability to modulate the stability of nucleosomes would be a useful tool for molecular biology and gene regulation. A series of polyamide clamps designed to differentiate between the NCP and B-form DNA were synthesized and analyzed using DNase I footprinting. In addi...
Hydrogen bond directed folding of a synthetic polyamide was studied in chloroform solution, and the three-dimensional structure of the foldamer determined using 1H NMR chemical shifts.
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