Journal ArticleDOI
Features of gold having micrometer to centimeter dimensions can be formed through a combination of stamping with an elastomeric stamp and an alkanethiol ‘‘ink’’ followed by chemical etching
Amit Kumar,George M. Whitesides +1 more
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TLDR
In this paper, a technique for patterning a self-assembled monolayer (SAM) on a gold substrate using an elastomer stamp was described, followed by selective etching in an aqueous, basic solution of cyanide ion and dissolved dioxygen (1M KOH, 0.1 M KCN).Abstract:
This letter describes a technique that can be used to produce well‐defined features of gold. The technique involves patterning of a self‐assembled monolayer (SAM) on a gold substrate using an elastomer stamp (fabricated either from a phenol‐formaldehyde polymer or polydimethylsiloxane), followed by selective etching in an aqueous, basic solution of cyanide ion and dissolved dioxygen (1M KOH, 0.1 M KCN). Electrically conductive structures of gold with dimensions as small as 1 μm have been produced using this procedure. Once a rubber stamp is fabricated, patterning and etching of gold substrates is straightforward. This method is convenient, does not require routine access to clean rooms and photolithographic equipment, and can be used to produce multiple copies of a pattern.read more
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Journal ArticleDOI
Multicomponent protein patterning of material surfaces
TL;DR: Representative approaches for creating multicomponent protein patterning are presented and their potential for tailoring microenvironments for cells on biomaterials surfaces is discussed.
Journal ArticleDOI
Multilayer mediated forward and patterned siRNA transfection using linear-PEI at extended N/P ratios.
TL;DR: This method separates the substrate-mediated delivery from the cell adhesive properties of the surface in the case of small interfering RNA (siRNA) that capitalize on a forward transfection method (transfection by introducing siRNA transfections reagent complexes onto plated cells); herein denoted as multilayer mediated forwardTransfection (MFT).
Journal ArticleDOI
Photocatalytic Decomposition of Alkylsiloxane Self-Assembled Monolayers on Titanium Oxide Surfaces
TL;DR: The photocatalytic decomposition of octadecyltrichlorosilane (OTS) based self-assembled monolayer formed on TiO2 has been studied using atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and contact angle analysis.
Journal ArticleDOI
Nanotribological Properties of Unsymmetrical n-Dialkyl Sulfide Monolayers on Gold: Effect of Chain Length on Adhesion, Friction, and Imaging
Eric W. van der Vegte,and Andrei Subbotin,Georges Hadziioannou,Peter R. Ashton and,Jon A. Preece +4 more
TL;DR: In this paper, a study of self-assembled monolayers on gold of unsymmetrical dialkyl sulfides with varying chain length was carried out using a scanning force microscope.
Book ChapterDOI
Biochips beyond DNA: technologies and applications.
Jocelyn H. Ng,Leodevico L. Ilag +1 more
TL;DR: This review provides a basic introduction and an in-depth survey of the different technologies and applications involving the use of non-DNA molecules such as proteins and cells in biochip design and operation.
References
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Book
Advanced Inorganic Chemistry
TL;DR: Cotton and Wilkinson's Advanced Inorganic Chemistry (AIC) as discussed by the authors is one of the most widely used inorganic chemistry books and has been used for more than a quarter century.
Journal ArticleDOI
The use of self-assembled monolayers and a selective etch to generate patterned gold features
TL;DR: Using a number of techniques, such as micromachining, microwriting, electron-beam lithography, ion-beam, and ion beam, it is possible to form patterns of SAMs on the Au surface.