Zobrazeno 1 - 10
of 190
pro vyhledávání: '"H.B. Halsall"'
Autor:
Amit Bhattacharya, Vesselin Shanov, William R. Heineman, Danny K.Y. Wong, Michael M. Behbehani, Adam Bange, Y-H Yun, Mark J. Schulz, Sarah K. Pixley, Zhongyun Dong, H.B. Halsall
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems. 220:53-60
Needle-type nanotube composite microelectrodes were fabricated by injecting a carbon nanotube epoxy solution into pulled-glass tubes. Electrochemical impedance spectroscopy was used to study the complex impedance of the electrode and showed that the
Publikováno v:
2006 Sixth IEEE Conference on Nanotechnology.
This paper describes the development of a label-free immunosensor using carbon nanotube array electrodes. Highly aligned multi-walled carbon nanotubes were grown by chemical vapor deposition using a metallic catalyst, Fe/Al 2 O 3 /SiO 2 , On Si wafer
Autor:
Sudheer Neralla, Jag Sankar, Gautam Seth, Gyeongrak Choi, Sergei Yarmolenko, Adam Bange, Yi Tu, Yeoheung Yun, Mark J. Schulz, William R. Heineman, Andrew Gorton, H.B. Halsall, Vasselin Shanov
Publikováno v:
2006 Sixth IEEE Conference on Nanotechnology.
The use of nanoscale materials to form larger size materials and devices is limited by many processing problems. These problems must be overcome to achieve many of the possible benefits of nanotechnology. In the context of finding seemingly simple so
Autor:
Erik T. K. Peterson, Carl J. Seliskar, Irena Nikcevic, H.B. Halsall, Ian Papautsky, William R. Heineman, Adam Bange
Publikováno v:
SPIE Proceedings.
Fluorescently labeled beads may be utilized in transparent microfluidic devices to facilitate a variety of immunoassay based chemical measurements. We investigate the ability to visualize, quantitate, and reduce undesirable adsorption of beads within
Autor:
W.R. Heineman, H.B. Halsall
Publikováno v:
Technical Digest IEEE Solid-State Sensor and Actuator Workshop.
Publikováno v:
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136).
Using micromachining techniques, an electrochemical immunosensor has been designed, fabricated and tested on a Pyrex glass wafer. The sensor has an electrochemical cell that is composed of a reference, an auxiliary and two working electrodes on a spi
Autor:
Jin-Woo Choi, William R. Heineman, Arthur J. Helmicki, Kwang W. Oh, Chong H. Ahn, H. Thurman Henderson, Joseph H. Nevin, Jennifer H. Thomas, H.B. Halsall
Publikováno v:
Technical Digest. MEMS 2001. 14th IEEE International Conference on Micro Electro Mechanical Systems (Cat. No.01CH37090).
This paper presents the development and characterization of an integrated microfluidic biochemical detection system for fast and low volume immunoassays using magnetic beads, which are used as both immobilization surfaces and bio-molecule carriers. M
Publikováno v:
Analytical chemistry. 67(19)
Visualization of immobilized antibodies can be achieved with scanning electrochemical microscopy (SECM) by saturation of the antigen binding sites with an alkaline phosphatase-antigen conjugate, which catalyzes hydrolysis of the redox-inactive 4-amin
Publikováno v:
Analytical chemistry. 66(11)
The concept of a simultaneous dual analyte immunoassay based on two different metal ion labels is demonstrated. The model system consists of two proteins, human serum albumin (HSA) and immunoglobulin G (IgG). Bismuth and indium ions have been coupled
Publikováno v:
Clinical Chemistry. 31:1546-1549
In these competitive and "sandwich"-type heterogeneous enzyme immunoassays, based on liquid chromatography with electrochemical detection, rabbit immunoglobulin G is used as a model compound. Alkaline phosphatase (EC 3.1.3.1), the labeling enzyme, ca