| Research and Infrastructure Development Center for Nanomaterials Research |
May-2009 |
63 pages |
| Authors:
Craig Friedrich; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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 | Funding for the Center for Nanaomaterials Research at Michigan Technological University commenced on 15 August 2003 under Contract DAAD17-03-C-0115. The progress for the period in each of the thrust areas is detailed. Degrees granted, referred journal publications, refereed conference publications, and invention disclosures are listed with each of the thrust areas. |
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| Integration of the Bionanomaterial Bacteriorhodopsin and Single Electron Transistors |
Dec-2008 |
5 pages |
| Authors:
Paul L Bergstrom; Craig Friedrich; Karl A Walczak; Manoranjan Arcary; Donald R Lueking; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| Innovation in sensing technology is necessary in order to decrease negative outcomes in the event of a chemical or biological exposure. The sensors currently used to detect chemical and biological agents are too bulky, complex, and costly. The thrusts of this research are to develop sensor technologies. The technologies developed would help create sensor arrays which are: lightweight, disposable, wireless, deployable by hand, and reconfigurable. This paper will present initial ... |
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| Quantum Dot / Optical Protein Bio-Nano Hybrid System for Biosensing Applications |
Dec-2008 |
6 pages |
| Authors:
M Griep; D Lueking; R Mackay; G Mallick; S Karna; C Friedrich; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| The unique energy transfer interaction between the optical protein bacteriorhodopsin (bR) and CdSe/ZnS quantum dots (QDs) provides a potential modulation mechanism for bio-nano electronic application. We have utilized ionic-self assembled monolayer (I-SAM) techniques to create a novel alternating monolayer system of QDs and bR on a conductive ITO substrate. Results demonstrate the ability to efficiently create bR/QD multilayer films along with the ability to control bR/QD spacing on the nanometer ... |
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| Integration of Optical Protein and Quantum Dot Films for Biosensing |
Aug-2008 |
4 pages |
| Authors:
Govind Mallick; Mark Griep; Shashi P Karna; Donald Lueking; Craig Friedrich; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| The unique energy transfer interaction between the optical protein bacteriorhodopsin (bR) and Cd/Se quantum dots (QDs) provides a potential modulation mechanism for bio-nano electronic application. We have utilized ionic self-assembled monolayer (I-SAM) techniques to create a novel alternating monolayer system of QDs and bR on a conductive ITO substrate. Results demonstrate the ability to efficiently create bR/QD multilayer films along with the ability to control bR/QD spacing on the nanometer ... |
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| 2-D Electric Field Assisted Assembly of Single Carbon Nanotubes and the Effect on the Applied Field |
01-Nov-2006 |
9 pages |
| Authors:
L An; C R Friedrich; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| This paper reports on research work on electric field assisted assembly of single carbon nanotubes onto microcircuit electrodes, and the effect of the carbon nanotubes on the electric field. The research supports the development of nanoelectronics for reducing weight in military systems. A simulation method of assembly processes of carbon nanotubes by dielectrophoresis is introduced. The method considers the effect of carbon nanotubes on the electric field. A calculation model ... |
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| Micromechanical Analysis of Three-Dimensional Open-Cell Foams Using the Matrix Method for Space Frame Structures |
NOV 2004 |
14 pages |
| Authors:
A. K. Roy; K. Li; X. L. Gao; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| A micromechanical model for three-dimensional open-cell foams is developed by using the matrix method for space frames in structural mechanics and tetrakaidcahedral unit cells. The effective elastic properties of foams are determined employing unit cells subjected to three different modes of loading. The thirty-six struts of each tetrakaidecahedral unit cell are treated as uniform slender beams, and the twenty-four vertices as rigid joints. All four- deformation mechanisms (i.e., stretching, shearing, ... |
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| A Ground-Test Facility for High-Power Electric Thrusters Operating on Condensible Propellants |
SEP 2004 |
6 pages |
| Authors:
Lyon B. King; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| Work reported here resulted in the design and fabrication of a space- simulation facility used to test electric thrusters for spacecraft. The facility was specifically designed to accommodate thrusters using condensable metal propellants such as bismuth. Apparatus includes a large 2-m x 4-m vacuum vessel evacuated through three 2,000-liter-per-second turbomolecular pumps, a 20-kW DC power supply, a remote translation system, and computer data acquisition center. |
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| Optimal Design of Smart Structures |
23 SEP 2003 |
55 pages |
| Authors:
Gordon Parker; Bernhard Bettig; Wei Chen; Markus Buehler; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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| The goal of this study was to investigate the benefits of simultaneously designing an active structure's topology, active material treatment, and control law. Both static and dynamic structures were considered. The goal for static structure design was to satisfy given load capability and displacements when activated. The goal of the dynamic structure design was increased stability margin. It was found that simultaneous design increases the performance as compared to a ... |
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| The Interaction Between Yield Stress and Lamellar Termination Density in Cobalt-Aluminum Eutectic Composites |
NOV 83 |
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| Authors:
T. A. Wall; W. W. Predebon; B. J. Pletka; MICHIGAN TECHNOLOGICAL UNIV HOUGHTON DEPT OF MECHANICAL ENGINEERING AND ENGINEERING MECHANICS
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 | The compressive yield stress of directionally solidified Cobalt- Aluminum (Co-CoAl) eutectic alloys was measured in specimens containing a range of lamellar termination densities with approximately constant inter-lamellar spacing. The yield stress was found to decrease as the transverse lamellar termination density increased. A linear dependence is obtained when the yield stress is plotted versus the average distance between lamellar terminations provided this distance was less than 500 mu m. For ... |
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