Navigation Links
Biomimetic-engineering design can replace spaghetti tangle of nanotubes in novel material
Date:6/1/2009

Nanoelectromechanical systems (NEMS) devices have the potential to revolutionize the world of sensors: motion, chemical, temperature, etc. But taking electromechanical devices from the micro scale down to the nano requires finding a means to dissipate the heat output of this tiny gadgetry.

In a paper appearing in Nano Letters, Professor Markus Buehler and postdoctoral associate Zhiping Xu of MIT's Department of Civil and Environmental Engineering say the solution is to build these devices using a thermal material that naturally dissipates heat from the device's center through a hierarchical branched network of carbon nanotubes. The template for this thermal material's design is a living cell, specifically, the hierarchical protein networks that allow a cell's nucleus to communicate with the cell's outermost regions.

"The structure now used when designing materials with carbon nanotubes resembles spaghetti," said Buehler, who studies protein-based materials at the nano and atomistic scales with the goal of using biomimetic-engineering principles to design human-made materials. "We show that a precise arrangement of carbon nanotubes similar to those found in the cytoskeleton of cells will create a thermal material that effectively dissipates heat, which could prevent a NEMS device from failing or melting."

NEMS devices are characterized by extremely small, high-density heat sources that can't be cooled by traditional means. Even the microelectromechanical systems (MEMS) devices used in automobiles and electronics are hard to cool, because conventional thermal management strategies such as fans, fluids, pastes and wiring often don't work at these small scales; heat buildup in MEMS frequently leads to catastrophic device failure, which limits the reliability of larger systems.

But the number of heat-conducting fibers or carbon nanotubes (CNTs) that can be connected to the heat source at the center of a NEMS device is l
'/>"/>

Contact: Denise Brehm
brehm@mit.edu
617-253-8069
Massachusetts Institute of Technology, Department of Civil and Environmental Engineering
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. Assay Designs(TM), Inc. Announces Release of First Available Product for Multiplex Analysis of Heat Shock Proteins
2. Frost & Sullivan Awards Precision Biosciences for Technology Innovation and Molecular Design Process in the Genomics Market
3. FDA has Granted HUD (Humanitarian Use Device) Designation to ITGIs Pericardium Covered Stents, Over and Under(R) and Aneugraft(R), for Treatment of Perforations and Dissections of Native Coronary Arteries and Saphenous Vein Grafts
4. OncoGenex Receives Confirmation from FDA on the Design of a Second Phase 3 Trial Evaluating OGX-011 for the Treatment of Advanced Prostate Cancer
5. Dr. Susan Weinschenk, Chief of Technical Staff and Services, Speaks on Neuro Web Design at Persuasive Technologies 2009 Conference and Voices That Matter Web Design Conference
6. SiliconSky GPS Designs First AGPS-Enabled Asthma Inhaler for Landmark Research Program
7. Angela Shen-Hsieh of Visual I
8. O Named to Board of Directors of AIGA: Oldest and Largest Membership Organization for Designers
9. Waters and University of Warwick Sign Research Agreement Designed to Foster Adoption of Novel MS Technologies
10. Tolera Therapeutics Granted Orphan Drug Designation for Organ Transplant Rejection Drug
11. Siemens Offers Life Science Solutions Design Guide for Consulting Engineers
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Biomimetic-engineering design can replace spaghetti tangle of nanotubes in novel material
(Date:12/24/2014)... GMO corn cases filed across the United ... process of being consolidated in a Kansas federal court for ... MIR 162 Corn Litigation, MDL No. 2591 in the U.S. ... the Syngenta GMO corn multidistrict litigation (MDL) has been handed ...
(Date:12/24/2014)... December 23, 2014 SoundConnect’s ... to introduce cutting edge communication technology, provide continued ... upgrades. This webinar series demonstrates online communication features ... leverage web conferencing’s most innovative and powerful tools. ...
(Date:12/24/2014)... December 23, 2014 According to Ross Selinger, ... Affiliate of ITRA Global, the national office market continues to ... This is evidenced by the third quarter’s surprising 3.9% ... Low energy costs have held inflation down and the ...
(Date:12/24/2014)... Tenn. (PRWEB) December 23, 2014 Nashville Fertility ... elected treasurer for the American Society for Reproductive Medicine (ASRM), ... in reproductive medicine. In his new role as treasurer, ... and will have a voice in furthering the mission of ...
Breaking Biology Technology:Carey Danis & Lowe Reports on Syngenta GMO Corn Transfer Order 2SoundConnect Launches Leading Edge Business Communications Webinar Series 2SoundConnect Launches Leading Edge Business Communications Webinar Series 3ITRA Global Reports Long Island Is Out of Sync With The National Office Market 2ITRA Global Reports Long Island Is Out of Sync With The National Office Market 3Nashville Fertility Center Announces Dr. George A. Hill Selected to Serve as ASRM Treasurer for 2014-15 2Nashville Fertility Center Announces Dr. George A. Hill Selected to Serve as ASRM Treasurer for 2014-15 3
... ANN ARBOR, Mich.---By digitally photographing the tiny, hair-like blood ... look directly at how small blood vessels like those that ... New digital photos of the retina revealed that otherwise healthy ... retinal arterioles, an indication of a higher risk of heart ...
... In 2008, experiments at The Fu Foundation School ... pure graphene, a single layer of graphite only one ... This raised a question for Chris Marianetti, Assistant Professor ... Mathematics: how and why does graphene break? ...
... succeeded in creating artificial spin ice in a state ... to examine the precise configuration of this important nanomaterial. ... Department of Energy,s Brookhaven National Laboratory and the UK ... the breakthrough will allow them to study in much ...
Cached Biology Technology:Photos of tiny blood vessels in the eye link air pollution to heart disease 2Columbia engineering team discovers graphene's weakness 2Scientists create highly ordered artificial spin ice using nanotechnology 2Scientists create highly ordered artificial spin ice using nanotechnology 3
(Date:12/17/2014)...  HITLAB SM announced today its completion of a ... to current U.S. Food and Drug Administration (FDA) regulations. ... and smart phone application trials utilizing the highest principles ... is determined to improve global healthcare access, quality, and ...
(Date:12/11/2014)... , Dec. 09, 2014 Research and Markets ... ( http://www.researchandmarkets.com/research/twhjll/biometrics_market ) has announced the addition of ...  report to their offering. One major ... With continuous advances in technology, it is important to ...
(Date:12/10/2014)... , Dec. 9, 2014  Valencell, a leader in performance ... a staggering demand from its licensees for highly accurate, ... is not solely coming from fitness and health sectors, ... "A wearable is only as useful as the ...
Breaking Biology News(10 mins):HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2Wearable Technology Products Demand Highly Accurate Biometric Technology 2
... Researchers at the University of Illinois have designed a small ... type 1, the most common form of muscular dystrophy. ... tightly to its target, an abnormally elongated RNA that hijacks ... of the disease. The newly developed compound is the first ...
... neutralizing toxins produced by blue-green algae have been ... Aakash Welgama presented the group,s findings during the ... Edinburgh. Blooms of blue green algae (cyanobacteria) ... throughout the world. They produce toxins called microcystins ...
... people with type 2 diabetes that affects how the ... a new study published today in Nature Genetics ... international institutions, say the findings highlight a new target ... have identified several genetic variations in people with type ...
Cached Biology News:Small molecule inhibits pathology associated with myotonic dystrophy type 1 2Scientists discover new genetic variation that contributes to diabetes 2
... Slide Table is designed for moving loads ... provides maximum force output while limiting overall ... of stainless steel ball bearings guided on ... self-compensating shock absorbers provide energy absorption and ...
... P5T Series Short Stroke Thrust Slide is ... where mounting envelopes are limited and substantial ... and internal bumpers provide millions of trouble-free ... Choice of composite bushings or recirculating ball ...
Hamster Serum; U.S. sourced, ideal for those who seek an uncompromising quality. Low Hemoglobin levels; U.S. sourced, ideal for those who seek an uncompromising quality. Low Hemoglobin levels....
Alkaline Phosphatase (E. coli C75), 100 units. Removes 5'-phosphates from DNA. Category: Nucleotides & Enzymes & Biochemicals, Modifying Enzymes, Alkaline Phosphatases....
Biology Products: