نتایج جستجو برای: dna immobilization
تعداد نتایج: 521610 فیلتر نتایج به سال:
The process of immobilization of biological molecules is one of the most important steps in the construction of a biosensor. In the case of DNA, the way it exposes its bases can result in electrochemical signals to acceptable levels. The use of self-assembled monolayer that allows a connection to the gold thiol group and DNA binding to an aldehydic ligand resulted in the possibility of determin...
A Quartz Crystal Microbalance (QCM) Study of Single-Strand DNA Hybridization and Hydrolytic Cleavage
The use of a quartz crystal microbalance (QCM) for monitorin g in situ the immobilization of singlestrand DNA marked with mercaptol group at the 5'-end on the surface of a gold-filled 7.995 MHz AT-cut quartz crystal by Au–S bond with the self-assembly technique is reported. The hybridization of ssDNA with complementary 10-mer ODN and 8-mer ODN is described. The QCM was also employed to analyze ...
A versatile synthetic platform for the efficient immobilization of PNAs on magnetic iron oxides, providing magnetic nanosensors for selective DNA recognition, is presented.
A method for recovering RNA-DNA hybrids from agar employing a single strand specific nuclease is described. The procedure is suitable for large scale isolations, and immobilization of the DNA in agar prior to hybridization allows a high yield of hybrid without interference by DNA reannealing.
Reproducible scanning tunneling microscope and atomic force microscope images of entire molecules of uncoated plasmid DNA chemically bound to surfaces are presented. The chemically mediated immobilization of DNA to surfaces and subsequent scanning tunneling microscope imaging of DNA molecules demonstrate that the problem of molecular instability to forces exerted by the probe tip, inherent with...
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