Chemical, Physical & Bio-Sensors – Page 2

Detecting oxidation and reduction of Cytochrome c on Single Nanoparticles in Flow Using SERRS

Choi Y., Edel J.B., Albrecht T., Imperial College London, UK

Surface enhanced Raman spectroscopy (SERS) is a powerful tool used for observing molecules and their structural properties, due to their ability to enhance the otherwise weak Raman scattering signals on a roughened metal surface or [...]

Detection of Human and Avian Flu Viruses Using Graphenated Infrared Screen

Banerjee A., Chakraborty S., Grebel H., Institution, US

Metallo-dielectric screens (IR screens) have been investigated from the visible to the THz spectral region for astronomy and remote sensing applications. These screens are made of periodic structure aim to invoke surface plasmon polariton (SPP) [...]

Selectivity study for a reagent-less and enzyme-free nanopore glucose sensor against interferences of non-glucose sugars and other substances

Chen E.T., Duh S-H, Ngatchou C., Thornton J.T., Kissinger P.T., Advanced Biomimetic Sensors, Inc., US

Accurate blood glucose monitoring is critical for diabetes patients to tightly control their diseases. For decades, blood glucose monitoring technology has relied on the use of reagents, including enzymes, mediators, and buffers. This monitoring technology [...]

Fabrication of PEG Hydrogel Microstructures in Microfluidic System for Multicellular Spheroid Formation, Culturing and Analysis

Fu C.-Y., Chang H.-Y., National Tsing Hua University, TW

In this abstract, we describe a novel PEG-based, simple-to-fabricate, U-shaped micro-scale growth chamber, which allows cell trapping and forming into spheroids as well as culturing in the presence of a continuous perfusion flow, a long-term [...]

Investigation of optimal separation condition in negative dielectrophoresis force based particle sorting platform

Lee J-H., Kim B-K., Kim Y.H., Kim B-K., Kim Y.H., Kim B-K., Kim Y.H., Korea Aerospace University, KR

we investigate an optimal separation condition regarding the gravitation, the hydrodynamic force and the n-DEP force acting on particles in the sorting platform since contribution of each force is the main parameter to determine SE. [...]

Surface Plasmon Grating Coupled Emission from Organic Emitter for Detecting Refractive Index Variation

Chiu N.-F., Lee J-H., Lin C-W, National Taiwan Normal University, TW

We demonstrated the surface plasmon grating coupled emission (SPGCE) from photo-excited organic layer covered with metal thin film on the corrugated substrate. Directional emissions corresponded to the resonant condition of surface plasmon modes on the [...]

Experimental study of sensitivity enhancement in SPR biosensors by use of zinc oxide intermediary layers

Chiu N.-F., Singh A., Nelson-Fitzpatrick N., Dutt S., Evoy S., Lin C-W, National Taiwan Normal University, TW

We report a novel design for the intermediary layer of surface plasmon resonance (SPR) devices that use high refractive index and high-transmittance zinc oxide (ZnO) dielectric layers to enhance the signal quality and improve the [...]

Plasmonic nanostructure based biosensing

Patskovsky S., École Polytechnique de Montréal, CA

Plasmonics is quickly becoming a dominant technology in the fields of novel optical devices employing new experimental capabilities of subwavelength metallic nanostructures. In combination with modern nanofabrication technologies which allows preparation of numerous regular patterns [...]

Nano-plamsonics Sensing and Integration with Microfluidics for a Lab-on-chip Biosensor

Wei J.J., Rexius M., Kofke M., Wang Y., Singhal S., Waldeck D.H., CFD Research Corporation, US

Ordered arrays of nanostructures in metal films have been studied for practical miniaturization of SPR sensing and microfluidic integration. We report a nanostructure array that is designed to permit significantly enhanced Extraordinary Optical Transmission (EOT) [...]

High-throughput multiplex protein analysis for limited sample size on a single slide

Rozhok S., Ouyang K., Dixon D., Nelson M., NanoInk Inc, US

To meet the challenges of new genomic and proteomic applications, rapid and sensitive analysis of large numbers of interactions in parallel will be required. High-density microarrays are ideally suited for parallel multiplex screening of thousands [...]