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Interaction of DNA bases with silver nanoparticles: assembly quantified through SPRS and SERS.
J Colloid Interface Sci. 2008 May 15; 321(2):288-93.JC

Abstract

Colloidal silver nanoparticles were prepared by reducing silver nitrate with sodium borohydride. The synthesized silver particles show an intense surface plasmon band in the visible region. The work reported here describes the interaction between nanoscale silver particles and various DNA bases (adenine, guanine, cytosine, and thymine), which are used as molecular linkers because of their biological significance. In colloidal solutions, the color of silver nanoparticles may range from red to purple to orange to blue, depending on the degree of aggregation as well as the orientation of the individual particles within the aggregates. Transmission electron microscopy (TEM), X-ray diffraction (XRD), and absorption spectroscopy were used to characterize the assemblies. DNA base-induced differential silver nanoparticle aggregation was quantified from the peak separation (relates to color) of surface plasmon resonance spectroscopy (SPRS) and the signal intensity of surface-enhanced Raman scattering (SERS), which rationalize the extent of silver-nucleobase interactions.

Authors+Show Affiliations

Department of Chemistry, Indian Institute of Technology, Kharagpur 721303, India.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18346751

Citation

Basu, Soumen, et al. "Interaction of DNA Bases With Silver Nanoparticles: Assembly Quantified Through SPRS and SERS." Journal of Colloid and Interface Science, vol. 321, no. 2, 2008, pp. 288-93.
Basu S, Jana S, Pande S, et al. Interaction of DNA bases with silver nanoparticles: assembly quantified through SPRS and SERS. J Colloid Interface Sci. 2008;321(2):288-93.
Basu, S., Jana, S., Pande, S., & Pal, T. (2008). Interaction of DNA bases with silver nanoparticles: assembly quantified through SPRS and SERS. Journal of Colloid and Interface Science, 321(2), 288-93. https://doi.org/10.1016/j.jcis.2008.02.015
Basu S, et al. Interaction of DNA Bases With Silver Nanoparticles: Assembly Quantified Through SPRS and SERS. J Colloid Interface Sci. 2008 May 15;321(2):288-93. PubMed PMID: 18346751.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Interaction of DNA bases with silver nanoparticles: assembly quantified through SPRS and SERS. AU - Basu,Soumen, AU - Jana,Subhra, AU - Pande,Surojit, AU - Pal,Tarasankar, Y1 - 2008/03/17/ PY - 2008/01/02/received PY - 2008/02/04/revised PY - 2008/02/10/accepted PY - 2008/3/19/pubmed PY - 2008/6/24/medline PY - 2008/3/19/entrez SP - 288 EP - 93 JF - Journal of colloid and interface science JO - J Colloid Interface Sci VL - 321 IS - 2 N2 - Colloidal silver nanoparticles were prepared by reducing silver nitrate with sodium borohydride. The synthesized silver particles show an intense surface plasmon band in the visible region. The work reported here describes the interaction between nanoscale silver particles and various DNA bases (adenine, guanine, cytosine, and thymine), which are used as molecular linkers because of their biological significance. In colloidal solutions, the color of silver nanoparticles may range from red to purple to orange to blue, depending on the degree of aggregation as well as the orientation of the individual particles within the aggregates. Transmission electron microscopy (TEM), X-ray diffraction (XRD), and absorption spectroscopy were used to characterize the assemblies. DNA base-induced differential silver nanoparticle aggregation was quantified from the peak separation (relates to color) of surface plasmon resonance spectroscopy (SPRS) and the signal intensity of surface-enhanced Raman scattering (SERS), which rationalize the extent of silver-nucleobase interactions. SN - 0021-9797 UR - https://www.unboundmedicine.com/medline/citation/18346751/Interaction_of_DNA_bases_with_silver_nanoparticles:_assembly_quantified_through_SPRS_and_SERS_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0021-9797(08)00164-1 DB - PRIME DP - Unbound Medicine ER -