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Search Publications by: Michael Gaitan (Assoc)

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Displaying 76 - 100 of 164

Polyelectrolyte Multilayers

January 23, 2006
Author(s)
Darwin Reyes-Hernandez, Laurie E. Locascio, Michael Gaitan
The process of self-assembly occurs naturally in living systems to form complex structures out of random events in an incredibly accurate way. Order out of disorder is achieved in a fashion that is analogous to a jigsaw puzzle where each piece fits

Wire Bonding Process Monitoring using Thermopile Temperature Sensor

November 17, 2005
Author(s)
Suman Shivesh, Michael Gaitan, Joshi Yogendra, George G. Harman
This work presents an approach to separate the thermal response due to ultrasonic excitation and ball deformation through a novel application of aluminum-polysilicon thermopile sensors under the bond pad. These integrated thermopile sensors measure

Liposomes As Model Cellular Systems

December 21, 2004
Author(s)
Laurie E. Locascio, Wyatt N. Vreeland, Andreas Jahn, Michael Gaitan
The discovery that phospholipids spontaneously form fluid-filled bubbles when exposed to aqueous solution was first made by Alec Bangham in the early 1960's while studying the effects of phospholipids on blood clotting in the Babraham Institute in England

Nanotechnology in Integrative Systems: Introduction to Integrative Systems

August 17, 2004
Author(s)
Michael Gaitan
These days it's hard to imagine life without the benefits of integration, computers, and the internet. Even simple tasks such as shopping for food have gone 'high tech' with computerized checkout, laser scanners, digital scales, and electronic transactions

Micro-Electroplating Silver on Sharp Edges for Fabrication of Solid-State Nanopores

August 11, 2004
Author(s)
Brian J. Polk, Melanie Bernard, John J. Kasianowicz, Martin Misakian, Michael Gaitan
Electrodeposition of silver was investigated as a fabrication tool for infilling large (103 mm2) vias in silicon substrates. Silver reduction from ammoniacal silver nitrate was studied at electrodes of novel geometry, i.e. the edge of the vias, with

Micropatterning Neuronal Cells on Polyelectrolyte Multilayers

July 7, 2004
Author(s)
Darwin Reyes-Hernandez, Elizabeth M. Perruccio, Patricia Becerra, Laurie E. Locascio, Michael Gaitan
This paper describes an approach to adhere retinal cells on micropatterned polyelectrolyte multilayer (PEM) lines adsorbed on polydimethylsiloxane (PDMS) surfaces, using microfluidic networks. PEMs were patterned on flat oxidized PDMS surfaces by

Controlled Vesicle Self-Assembly in Continuous Two Phase Flow Microfluidic Channels

June 10, 2004
Author(s)
Andreas Jahn, Wyatt N. Vreeland, Laurie E. Locascio, Michael Gaitan
The spontaneous self-assembly of phospholipids into liposomes in aqueous solution results in the encapsulation of reagents into quantized packets in a manner that mimics cellular life-processes. Since their discovery in 1965, liposomes have been used in a

Patterning Retinal Cells on Polyelectrolyte Multilayers

February 18, 2004
Author(s)
Darwin Reyes-Hernandez, Elizabeth M. Perruccio, Patricia Becerra, Laurie E. Locascio, Michael Gaitan
The patterning of retinal epithelial cells on polyelectrolyte multilayer (PEMs) lines is presented. PEMs were deposited in discrete lines using a poly(dimethylsiloxane) (PDMS) microfluidic network on top of a flat PDMS slab. The layers were formed by

Micro-Differential Scanning Calorimeter for Combustible Gas Sensing

January 1, 2004
Author(s)
Richard E. Cavicchi, G Poirier, N H. Tea, Muhammad Y. Afridi, David W. Berning, Allen R. Hefner Jr., John S. Suehle, Michael Gaitan, Stephen Semancik, Christopher B. Montgomery
A micron-scale differential scanning calorimeter (mDSC) has been produced on a silicon chip allowing for microscopic differential scanning calorimetry measurements on small samples. The device consists of a suspended rectangular microhotplate with sample

Temperature Measurement and Control in Microfluidic Systems

October 1, 2001
Author(s)
David J. Ross, Michael Gaitan, Laurie E. Locascio
We describe a technique for the measurement of fluid temperatures in microfluidic systems based on temperature-dependent fluorescence. The technique is easy to implement with a standard fluorescence microscope and CCD camera. The efficiency of the method