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Selective colorimetric detection of polynucleotides based on the distance-dependent optical properties of gold nanoparticles.

Science, 1997
A highly selective, colorimetric polynucleotide detection method based on mercaptoalkyloligonucleotide-modified gold nanoparticle probes is reported.
R. Elghanian   +4 more
semanticscholar   +1 more source

The molecular theory of polyelectrolyte solutions with applications to the electrostatic properties of polynucleotides

Quarterly Reviews of Biophysics (print), 1978
Although the importance of the polyelectrolyte character of DNA has been recognized for some time (Felsenfeld & Miles 1967), few of the implications have been explored, primarily because of a lag in translating the breakthroughs in polyelectrolyte theory
G. S. Manning
semanticscholar   +1 more source

Driven Translocation of Polynucleotides Through an Aerolysin Nanopore.

Analytical Chemistry, 2016
Aerolysin has been used as a biological nanopore for studying peptides, proteins, and oligosaccharides in the past two decades. Here, we report that wild-type aerolysin could be utilized for polynucleotide analysis.
C. Cao   +4 more
semanticscholar   +1 more source

One-Pot Colorimetric Differentiation of Polynucleotides with Single Base Imperfections Using Gold Nanoparticle Probes

, 1998
Selective colorimetric polynucleotide detection based on Au nanoparticle probes which align in a “tail-to-tail” fashion onto a target polynucleotide is described.
J. Storhoff   +4 more
semanticscholar   +1 more source

Probing the interaction of spermine and 1-naphthyl acetyl spermine with DNA polynucleotides: a comparative biophysical and thermodynamic investigation.

Molecular Biosystems, 2014
The interaction of spermine and its analogue, 1-naphthyl acetyl spermine with four double stranded DNA polynucleotides has been studied to understand the structural and thermodynamic basis of the binding.

semanticscholar   +1 more source

Adenosine receptor stimulation by polynucleotides (PDRN) reduces inflammation in experimental periodontitis.

Journal of Clinical Periodontology, 2013
AIM Adenosine receptors modulate inflammation in periodontal tissues. No data are available regarding the effects of adenosine A(2A) receptor stimulation in experimental periodontitis (EPD).
A. Bitto   +7 more
semanticscholar   +1 more source

Slow translocation of polynucleotides and their discrimination by α-hemolysin inside a single track-etched nanopore designed by atomic layer deposition.

Nanoscale, 2013
We report the formation of a hybrid biological/artificial nanopore by the direct insertion of non-modified α-hemolysin at the entrance of a high aspect ratio (length/diameter) biomimetic nanopore.
S. Cabello-Aguilar   +8 more
semanticscholar   +1 more source

Surface-enhanced Raman study of the interactions between tripodal cationic polyamines and polynucleotides.

In Analysis, 2011
Raman and surface-enhanced Raman spectra of new DNA/RNA-binding compounds consisting of three imidazole (Im) and three pyridine (Py) rings connected by tripodal polyaminomethylene linkages were obtained by the near-infrared excitation at 1064 nm.
Snežana Miljanić   +6 more
semanticscholar   +1 more source

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