Transitional metal/chalcogen dependant interactions of hairpin DNA with transition metal dichalcogenides, MX2

Transitional metal/chalcogen dependant interactions of hairpin DNA with transition metal dichalcogenides, MX2

Owing to the attractive properties that transition metal dichalcogenides (TMDs) display, they have found recent application in the fabrication of biosensing devices. These devices involve the immobilization of a recognition element such as DNA onto the surface of TMDs. Therefore, it is imperative to...

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Bibliographic Details
Main Authors: Loo, Adeline Huiling, Bonanni, Alessandra, Sofer, Zdenek, Pumera, Martin
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2015
Subjects:
DRNTU::Science::Chemistry::Physical chemistry::Electrochemistry
Online Access:https://hdl.handle.net/10356/103752
http://hdl.handle.net/10220/25877
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Institution: Nanyang Technological University
Language: English
Description
Summary:Owing to the attractive properties that transition metal dichalcogenides (TMDs) display, they have found recent application in the fabrication of biosensing devices. These devices involve the immobilization of a recognition element such as DNA onto the surface of TMDs. Therefore, it is imperative to examine the interactions between TMDs and DNA. Herein, we explore the effect of different transition metals (Mo and W) and chalcogens (S and Se) on the interactions between hairpin DNA and TMDs of both bulk and t-BuLi exfoliated forms. We discovered that the interactions are strongly dependent on the metal/chalcogen composition in TMDs.

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