نتایج جستجو برای: thiolated dna
تعداد نتایج: 507855 فیلتر نتایج به سال:
Determining the structures of nanoparticles at atomic resolution is vital to understand their structure-property correlations. Large metal nanoparticles with core diameter beyond 2 nm have, to date, eluded characterization by single-crystal X-ray analysis. Here we report the chemical syntheses and structures of two giant thiolated Ag nanoparticles containing 136 and 374 Ag atoms (that is, up to...
A novel biocompatible fast-gelling hydrogel has been explored for neurodegenerative diseases. The is formed using thiol-maleimide reaction. precursors maleimide modified 4-arm polyethylene glycol (PEG) and thiolated hyaluronic acid (HA) were created characterized by NMR.
Banana bunchy top virus (BBTV) affects all varieties of banana plants and causes heavy economic loss in most of the banana cultivating areas. The BBTV genome comprises of six DNA components; in this study, we have cloned the six BBTV-DNA components from one of the BBTV-infected plants (Tri-8) and were submitted to GenBank. Analysis of the BBTV DNA-R component showed that it belonged to south Pa...
Gold nanoparticles functionalized with thiolated oligonucleotides (Au-nanoprobes) have been used in a range of applications for the detection of bioanalytes of interest, from ions to proteins and DNA targets. These detection strategies are based on the unique optical properties of gold nanoparticles, in particular, the intense color that is subject to modulation by modification of the medium di...
Patterning bioreceptors on surfaces is a key step in the fabrication of biosensors and biochips. State-of-the art technology can produce micrometer-sized biostructures, however, further miniaturization at the nanoscale will require new methods and lithographic tools. In this proceeding, we report three approaches: nanopen reader and writer (NPRW), nanografting and latex particle lithography; fo...
Thiolated polymers are widely used in hydrogels for drug delivery, tissue engineering, and biofabrication. The oxidation of thiols is spontaneous, resulting the formation disulfide bridges cross-linking polymers. process is, however, difficult to control initiated directly when thiolated components exposed ambient conditions, which significantly complicates handling materials. Here, we show a f...
The G-rich overhang of human telomere tends to form a G-quadruplex structure, and G-quadruplex formation can effectively inhibit telomerase activity in most cancer cells. Therefore, it is important to identify the formation and properties of the G-quadruplex, with the particular aim of selecting G-quadruplex-binding ligands that could potentially lead to the development of anticancer therapeuti...
The request of high specificity and selectivity sensors suitable for mass production is a constant demand in medical research. For applications in point-of-care diagnostics and therapy, there is a high demand for low cost and rapid sensing platforms. This paper describes the fabrication and functionalization of gold electrodes arrays for the detection of deoxyribonucleic acid (DNA) in printed c...
This work describes a comparative study between two biosensing platforms that are commonly used to immobilize capture probes. These platforms refer to thiolated and biotinylated oligonucleotide strands chemisorbed on Au surfaces (DNA SAM) and bioconjugated on streptavidin (SA) monolayers (SA SAM), respectively. Both interfacial architectures were studied using surface acoustic wave (SAW) device...
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