Tags: sensors

Resources (41-60 of 61)

  1. Optical BioMEMS Microfluidic Technologies for Hand-Held, Point-of-Care, Medical Devices

    23 Nov 2009 | | Contributor(s):: James Leary

    Portable, point-of-care, medical diagnostic devices could provide an important new component in more cost-effective healthcare delivery. Rapid measurements of blood samples during an examination within a doctor’s office or in the field, could allow immediate appropriate treatment of medical...

  2. Illinois 2009 nano-biophotonics Summer School, Lecture 12: A General Method for Screening Protein- DNA Interactions using Label-Free Photonic Crystal Biosensor Microplates

    28 Oct 2009 | | Contributor(s):: Brian Cunningham

    Method for Screening Protein- DNA Interactions using Label-Free Photonic Crystal Biosensor MicroplatesTopics: Apoptosis Inducing Factor (AIF) Parkinson's Disease Role of AIF in Parkinsons Disease Parkinsons Disease Treatment Photonic Crystal (PC) Biosensors What is an Optical Resonator? Optical...

  3. Lecture 5: 2D Nets in a 3D World: Basics of Nanobiosensors and Fractal Antennae

    27 Oct 2009 | | Contributor(s):: Muhammad A. Alam

    Outline:Background: A different type of transport problem
Example: Classical biosensorsFractal dimension and cantor transformExample: fractal nanobiosensors Conclusions
Appendix: Transparent Electrodes and Antenna

  4. Quantum Dot Lab Demonstration: Pyramidal Qdots

    11 Jun 2009 | | Contributor(s):: Gerhard Klimeck, Benjamin P Haley

    This video shows the simulation and analysis of a pyramid-shaped quantum dot using Quantum Dot Lab. Several powerful analytic features of this tool are demonstrated.

  5. Self-assembled Monolayer Based Biosensors for Healthcare

    06 Aug 2008 | | Contributor(s):: B. D. Malhotra

    There is increased demand both in developed and the developing countries for ready availability of biosensors [1-5]. In this context, self-assembled monolayer (Scheme I) based biosensors have recently attracted much interest due to their applications in health care, environmemtal,...

  6. Micro-fabricated Biosensors for Cardiac Diagnostics

    30 Jul 2008 | | Contributor(s):: V.Ramgopal Rao

    In this talk the current status of an ongoing effort in the Electrical Engineering Department at IIT Bombay on the development of an integrated systems to provide point-of-care diagnostic support for cardiovascular diseases will be presented. The system under development monitors the molecular...

  7. Multiplex Detection of Cell Surface Markers using Plasmonic Sensors

    21 Jul 2008 | | Contributor(s):: Joseph M K Irudayaraj

    Gold nanorod molecular probes (GNrMPs) were designed and fabricated for multiplex identification of cell surface markers in HBECs. Cells were probed directly using dark field microscopy integrated with a spectral imager for simultaneous detection of up to three surface markers. The...

  8. In Search of the Perfect Semiconductor Photon Detector

    19 May 2008 | | Contributor(s):: Peter Y. Yu

    Photon detectors have many important applications, such as in heat sensing, digital cameras, solar cells and x-ray and gamma-ray detection. So far, the most common detectors are based on elemental semiconductors , such as Si and Ge. However, they are by no means perfect in tackling some of the...

  9. An Experimentalists’ Perspective

    19 Dec 2007 | | Contributor(s):: Arunava Majumdar

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.

  10. MCW07 Modeling Molecule-Assisted Transport in Nanotransistors

    06 Nov 2007 | | Contributor(s):: Kamil Walczak

    Molecular electronics faces many problems in practical device implementation, due to difficulties with fabrication and gate-ability. In these devices, molecules act as the main conducting channel. One could imagine alternate device structures where molecules act as quantum dots rather than...

  11. MCW07 Impact of Porphyrin Functional Groups on InAs Gas Sensors

    05 Nov 2007 | | Contributor(s):: Michael Garcia

    Porphyrin molecules are often used for sensor engineering to improve sensitivity and selectivity to specific analytes. It is important to understand how the porphyrin HOMO-LUMO levels deplete surface states during functionalization of solid state sensors. Additionally, the effect of...

  12. Introduction of MEMS Activity at Nano/Micro System Engineering Lab., Kyoto University

    15 Sep 2007 | | Contributor(s):: OSAMU TABATA

    We are aiming at the realization of microsystems and nanosystems with novel and unique functions by integrating functional elements in different domains such as mechanics, electronics, chemistry, optics and biotechnology. These micro/nano systems are expected to be novel machines, which will...

  13. MCW07 Silicon Based Nanopore Sensors for Detection of DNA Molecules

    11 Sep 2007 | | Contributor(s):: Samir Iqbal, Demir Akin, Rashid Bashir

    Solid-state nanopores have emerged as possible candidates for next-generation DNA sequencing devices. In this talk, we will review our recent work in development of solid-state nanopore channels that are selective towards single strand DNA (ssDNA). Nanopores functionalized with a 'probe' of...

  14. Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence

    31 Aug 2007 | | Contributor(s):: Huw Summers

    The integration of thin (< 100 nm) metal films with micro-scaleoptical waveguides provides a route to controlled spatialexcitation of cellular fluorescence within a biochip platform.Surface bound electron-plasma oscillations (surface plasmon waves)interact with photons to produce an...

  15. Molecular Interferometry

    26 Jun 2007 | | Contributor(s):: David D. Nolte

    While single-molecule detection through fluorescence has now become common-place, there has been no analogous single-molecule capability using direct detection approaches such as interferometry. This limitation is slowly yielding to high-speed interferoemtric detection that is pushing the...

  16. Piezoelectric Transducers: Strain Sensing and Energy Harvesting (and Frequency Tuning)

    15 Jun 2007 | | Contributor(s):: Toshikazu Nishida

    Acoustic pressure or mechanical force sensing via piezoelectric coupling is closely related to the harvesting of electrical energy from acoustical and mechanical energy sources. In this talk, mesoscale and microscale piezoelectric transducers for acoustic and vibrational sensing and energy...

  17. On the Cross Roads of Biology and Nanotechnology – Selective DNA Nanopore Sensors

    21 Mar 2007 | | Contributor(s):: Samir Iqbal

    The ability to manipulate and identify the properties of singlebiological molecules with the potential of characterizing biologicalprocesses at the most fundamental levels can significantly facilitaterapid diagnostics and therapeutics. Fabrication of solid-statedevices investigating bacteria,...

  18. SUGAR: the SPICE for MEMS

    21 May 2007 | | Contributor(s):: Jason Clark

    In this seminar, I present some design, modeling, and simulation features of a computer aided engineering tool for microelectromechanical systems (MEMS) called SUGAR. For experimental verification, I use a microdevice that is difficult to simulate with conventional MEMS software. I show that the...

  19. Toward Improving the Precision of Nanoscale Force-Displacement Measurements

    13 Mar 2007 | | Contributor(s):: Jason Clark

    Nanotechnology has great potential for being used to create better medicines, materials, and sensors. With increasing interest in nanotechnology to improve the quality of our lives, there has been an increasing use of nanoscience tools to measure force and displacement to understand nanoscale...

  20. Geometry of Diffusion and the Performance Limits of Nanobiosensors

    05 Dec 2006 | | Contributor(s):: Muhammad A. Alam, Pradeep Ramachandran Nair

    This presentation demonstrates how the classical diffusion-capture (D-C) model has improved sensor performance, since the D-C model is a "geometry of diffusion" rather than a "geometry of electrostatics." A scaling law based on D-C is also posited; the scaling law resolves many classical puzzles...