نتایج جستجو برای: nanobiotechnology
تعداد نتایج: 457 فیلتر نتایج به سال:
Cell-based regenerative therapy is undergoing experimental and clinical trials in cardiology, in order to limit the consequences of decreased contractile function and compliance of damaged ventricles following myocardial infarction. Over 1000 patients have been treated worldwide with cell-based procedures for myocardial regeneration. Cellular cardiomyoplasty seems to reduce the size and fibrosi...
Recent progress in the combination of nucleic acids and carbon nanotubes (CNTs) has been briefly reviewed here. Since discovering the hybridization phenomenon of DNA molecules and CNTs in 2003, a large amount of fundamental and applied research has been carried out. Among thousands of papers published since 2003, approximately 240 papers focused on biological applications were selected and cate...
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During metastasis, circulating tumor cells migrate away from a primary tumor via the blood circulation to form secondary tumors in distant organs. Mounting evidence from clinical observations indicates that the number of circulating tumor cells (CTCs) in the blood correlates with the progression of solid tumors before and during chemotherapy. Beyond the well-established role of CTCs as a fluid ...
Glioblastoma multiforme (GBM), the most malignant and most frequent primary brain tumor, is currently incurable, with a median sur vival of less than 2 years after diagnosis and treat ment. Worldwide, approximately 175,000 cases occur annually, of which 17,000 are diagnosed in the USA. Several innovative treatments are being developed, but the mainstays of conven tional treatment are chemoth...
All physical phenomena are information{theoretic in origin. Conversely, the hereditary genetic information contained in the cell nuclei should be considered from the quantum physical point of view. The present paper applies quantum holography to the DNA and the messenger RNA of the molecular biology of gene expressions in order to understand the semi{conservative replication and transcription p...
Since Richard Feynman and his famous talk “There’s plenty of room at the bottom” in an American Physical Society meeting at Caltech in 1959, Nanotechnology has led to the development of novel materials and devices with a wide-range of applications, especially in imaging, diagnostics, and therapy, which contributed to the early detection and treatment of cancer and metastasis (Ferrari, 2005; Con...
BACKGROUND The utilization of modern achievements from nanobiotechnology has resulted in novel modalities for renal replacement therapy. For conventional intermittent haemodialysis (HD), sophisticated membranes are currently being manufactured that guarantee selective removal of target toxins. These membranes have a narrow pore-size distribution that is focused around a mean value at the nanome...
Self-assembling peptide nanofiber scaffolds are an excellent material for applications such as tissue repair, tissue regeneration, instant stopping of bleeding, and slow drug release. We report a new self-assembling peptide D-EAK16 consisting purely of D-amino acids. D-EAK16 and L-EAK16 display mirror-image CD spectra at 20 degrees C. Like L-EAK16, D-EAK16 self-assembles into nanofibers, thus d...
The focus on nanotechnology in cancer treatment and diagnosis has intensified due to the serious side effects caused by anticancer agents as a result of their cytotoxic actions on normal cells. This nonspecific action of chemotherapy has awakened a need for formulations capable of definitive targeting with enhanced tumor-killing. Nanooncology, the application of nanobiotechnology to the managem...
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