Surface plasmon resonance biosensing of the monomer and the linked dimer of the variants of protein G under mass transport limitation

Biosensing Based on Surface-Enhanced Raman Spectroscopy by Using Metal Nanoparticles

Surface-enhanced Raman spectroscopy (SERS) is a promising tool in the analytical science because it provides good selectivity and sensitivity without the labeling process required by fluorescence detection. This technique consists of locating the target analyte on nanometer range of roughed Au-nanoparticles. The presence of the metal nanoparticles provides a tremendous enhancement to the result...

Influence of Interface Thermal Resistance on Relaxation Dynamics of Metal-Dielectric Nanocomposite Materials under Ultrafast Pulse Laser Excitation

Nanocomposite materials, including noble metal nanoparticles embedded in a dielectric host medium, are interesting because of their optical properties linked to surface plasmon resonance phenomena. For studding of nonlinear optical properties and/or energy transfer process, these materials may be excited by ultrashort pulse laser with a temporal width varying from some femtoseconds to some hund...

Biofunctionalization of Gold Nanorods: A Comparative Study on Conjugation Methods for Fabrication of Nanobiosensors

Gold Nanorods have promised variety of applications in biomedicine and biosensing. As a fruitful candidate for early detection and imaging, these plasmonic nanoparticles have been utilized for diagnostic applications of interest. However, prior to design and fabricate SPR-based nanobiosensors, the type and nature of conjugation with biomolecules would be of utmost importance. Herein, four strat...

Investigating the Effects of Some Capping Agents upon Gold Nanocrystals Stability, Size and Surface Plasmon Resonance

Behenic Acid Monolayer and Bilayer Assemblies- A Study of Concanavalin A (Con A) Adsorption and its Interaction with Dextran Using Surface Plasmon Resonance Spectroscopy and Microscopy

Deposition of behenic acid (B.A) mono and bilayers onto gold coated surfaces was performed by Langmuir-Blodget dip-casting technique. Surface Plasmon resonance (SPR) and ellipsometry methods were employed for investigation of the monolayer and bilayer films. The adsorption of the biologically important molecule Concanavalin A (Con A) from bulk solution to these monolayers and bilayers as we...