نتایج جستجو برای: thiolated dna
تعداد نتایج: 507855 فیلتر نتایج به سال:
Ricin is a toxic lectin which presents a potential security threat. Its rapid detection is highly desirable. Here we present a colorimetric bioassay based on the aggregation of carbohydrate-stabilised gold nanoparticles which has been used to detect Ricinus communis Agglutinin 120 (RCA(120)) - a ricin surrogate. To achieve a stable and robust sensing system the anchor chain length and the densi...
Thiolated chitosan has high transfection and mucoadhesive properties. We investigated the potential of two recently synthesized polymers: NAC-C (N-acetyl cysteine-chitosan) and NAP-C (N-acetyl penicillamine-chitosan) in anticancer drug delivery targeting epidermal growth factor receptor (EGFR). Doxorubicin (DOX) and antisense oligonucleotide (ASOND)-loaded polymer nanoparticles were prepared in...
Type B gelatin-based engineered nanovectors system (GENS) was developed for systemic gene delivery in the treatment of pancreatic cancer. The surface of thiolated gelatin nanoparticles was modified with epidermal growth factor receptor (EGFR) specific peptide that targets on the EGFR receptor of Panc-1 cells and this system could release the payload under reducing environment, such as high intr...
We are presenting a method for sensitive and specific detection of microRNA (miRNA) using surface plasmon resonance. A thiolated capture DNA probe with a short complete complementary sequence was immobilized on the gold surface of the sensor to recognize the part sequence of target miRNA, and then an oligonucleotide probe linked to streptavidin was employed to bind the another section of the ta...
In this study, thiolated alginate was synthesized by introduction of cysteine to alginate to prepare mucoadhesive alginate/poly (L-lysine)/thiolated alginate (APTA) microcapsules for efficient oral delivery of Lactobacillus salivarius 29 (LS29), a novel therapeutic Lactobacillus strain, in vitro and in vivo. About 759 +/- 32.4 microM of cysteine per gram of alginate was introduced by estimation...
AIM Our goal was to improve treatment outcomes for visceral leishmaniasis by designing nanocarriers that improve drug biodistribution and half-life. Thus, long-acting mannose-anchored thiolated chitosan amphotericin B nanocarrier complexes (MTC AmB) were developed and characterized. MATERIALS & METHODS A mannose-anchored thiolated chitosan nanocarrier was manufactured and characterized. MTC A...
A plasmonic bioassay for the specific detection of human influenza virus has been developed based on gold nanoparticles functionalised with a designed and synthesised thiolated trivalent α2,6-thio-linked sialic acid derivative. The glyconanoparticles consist of the thiolated trivalent α2,6-thio-linked sialic acid derivative and a thiolated polyethylene glycol (PEG) derivative self-assembled ont...
Understanding nanoparticle diffusion within non-Newtonian biological and synthetic fluids is essential in designing novel formulations (e.g., nanomedicines for drug delivery, shampoos, lotions, coatings, paints, etc.), but is presently poorly defined. This study reports the diffusion of thiolated and PEGylated silica nanoparticles, characterized by small-angle neutron scattering, in solutions o...
A silver nanorod array has been used for the intrinsic SERS detection of microRNAs based on different binding affinities of ssRNA, thiolated ssDNA, and the RNA:DNA duplex, eliminating the need for a labelling step.
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