Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Cilia Revolution

Cilia occur on a variety of cells and unicellular organisms in nature. They primarily help collect sensory information, or produce mechanical responses that help single-celled and simple multicellular organisms spontaneously move about. For the first time, researchers have created artificial cilia. These cilia respond to changes in temperature, electromagnetic radiation and acidity by collapsing and fluorescing blue. As the environment changes back to its original state, the cilia go back to their previous state as well. Credit: Zina Deretsky, National Science Foundation
Cilia occur on a variety of cells and unicellular organisms in nature. They primarily help collect sensory information, or produce mechanical responses that help single-celled and simple multicellular organisms spontaneously move about. For the first time, researchers have created artificial cilia. These cilia respond to changes in temperature, electromagnetic radiation and acidity by collapsing and fluorescing blue. As the environment changes back to its original state, the cilia go back to their previous state as well. Credit: Zina Deretsky, National Science Foundation

Abstract:
Man-made, hair-like structures poised to change industry paradigms

Cilia Revolution

Arlington, VA | Posted on October 1st, 2010

University of Southern Mississippi scientists recently imitated Mother Nature by developing, for the first time, a new, skinny-molecule-based material that resembles cilia, the tiny, hair-like structures through which organisms derive smell, vision, hearing and fluid flow.

While the new material isn't exactly like cilia, it responds to thermal, chemical, and electromagnetic stimulation, allowing researchers to control it and opening unlimited possibilities for future use.

This finding is published in today's edition of the journal Advanced Functional Materials. The National Science Foundation's Division of Materials Research supports Southern Miss's Materials Research Science and Engineering Center for Response-Driven Polymeric Materials, where the research took place.

Cilia are wavy, hair-like structures that extend outward from the surfaces of various organisms such as human skin. People, animals and single-celled organisms use them to sense the environment, gather information about it and adapt to it.

Scientists long imagined what could be done if they could engineer cilia for other organic and nonorganic uses. But creating them solely belonged to the life nurturing processes of nature, until now. Marek Urban, Southern Miss professor of polymer science and engineering, along with a team of researchers, developed a new thin copolymer film with whisker-like formations that mimics Mother Nature.

"Our interest is in developing materials with multi-level responses at various length and time scales," said Urban. "I believe this is the future of science and engineering that will drive future technologies."

Employing a process used for years to produce latex paints, the researchers formed thin copolymer-based films whose chemical composition makes possible filaments that have built-in molecular sensors that respond to temperature, acidity and ultraviolet radiation. Moreover, the filaments are capable of locomotion, waving, shrinking and expanding in response to stimuli. They also are capable of fluorescence, that is, absorbing and emitting light and changing colors as a reaction to ultraviolet rays.

The ability to engineer this cilia-like biosensor may give scientists an ability to, for example, test for the presence of toxins, oxygen or even lack of oxygen in an environment. Future opportunities for sensor use might include developing new sensors for testing glucose levels, using the sensors for drug testing, or testing for air or water safety.

There is no limit to dreaming up applications for such a material, said Urban. "Many new ideas are being generated as we speak, but it is too early to reveal them."

Immediate next steps will be to team up engineers to make use of the materials.

Former Southern Miss graduate students Fang Liu, who now works with Proctor and Gamble, and research associate Dhanya Ramachandran contributed to this research.

####

About National Science Foundation
The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2010, its budget is about $6.9 billion. NSF funds reach all 50 states through grants to nearly 2,000 universities and institutions. Each year, NSF receives over 45,000 competitive requests for funding, and makes over 11,500 new funding awards. NSF also awards over $400 million in professional and service contracts yearly.

For more information, please click here

Contacts:
Media Contacts
Bobbie Mixon, NSF (703) 292-8485

Program Contacts
Thomas P. Rieker, NSF (703) 292-4914

Principal Investigators
Marek W. Urban, The University of Southern Mississippi (601) 266-6868

Copyright © National Science Foundation

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

DNA triggers shape-shifting in hydrogels, opening a new way to make 'soft robots' September 21st, 2017

Physicists develop new recipes for design of fast single-photon gun Physicists develop high-speed single-photon sources for quantum computers of the future September 21st, 2017

GLOBALFOUNDRIES Announces Availability of mmWave and RF/Analog on Leading FDX™ FD-SOI Technology Platform: Technology solution delivers ‘connected intelligence’ to next generation high-volume wireless and IoT applications with lower power and significantly reduced cost September 20th, 2017

GLOBALFOUNDRIES Announces Availability of Embedded MRAM on Leading 22FDX® FD-SOI Platform: Advanced embedded non-volatile memory solution delivers ‘connected intelligence’ by expanding SoC capabilities on the 22nm process node September 20th, 2017

Possible Futures

DNA triggers shape-shifting in hydrogels, opening a new way to make 'soft robots' September 21st, 2017

Physicists develop new recipes for design of fast single-photon gun Physicists develop high-speed single-photon sources for quantum computers of the future September 21st, 2017

GLOBALFOUNDRIES Delivers Custom 14nm FinFET Technology for IBM Systems: Jointly developed 14HP process is world’s only technology that leverages both FinFET and SOI September 20th, 2017

Copper catalyst yields high efficiency CO2-to-fuels conversion: Berkeley Lab scientists discover critical role of nanoparticle transformation September 20th, 2017

Academic/Education

Two Scientists Receive Grants to Develop New Materials: Chad Mirkin and Monica Olvera de la Cruz recognized by Sherman Fairchild Foundation August 16th, 2017

Moving at the Speed of Light: University of Arizona selected for high-impact, industrial demonstration of new integrated photonic cryogenic datalink for focal plane arrays: Program is major milestone for AIM Photonics August 10th, 2017

Graduate Students from Across the Country Attend Hands-on NanoCamp: Prominent scientists Warren Oliver, Ph.D., and George Pharr, Ph.D., presented a weeklong NanoCamp for hand-picked graduate students across the United States July 26th, 2017

The Physics Department of Imperial College, London, uses the Quorum Q150T to deposit metals and ITO to make plasmonic sensors and electric contact pads July 13th, 2017

Sensors

Leti Develops Proof of Concept to Test Wireless Systems in Aircraft: Will Present Results of Joint Project at AeroTech Conference And Exhibition in Fort Worth, Texas, Sept. 26-28 September 20th, 2017

Research shows how DNA molecules cross nanopores: Study could inform biosensors, manufacturing, and more September 5th, 2017

Leti and Partners in PiezoMAT Project Develop New Fingerprint Technology for Highly Reliable Security and ID Applications: Ultra-high Resolution Pressure Sensing Uses Matrices of Vertical Piezoelectric Nanowire To Reconstruct the Smallest Features of Human Fingerprints September 5th, 2017

New results reveal high tunability of 2-D material: Berkeley Lab-led team also provides most precise band gap measurement yet for hotly studied monolayer moly sulfide August 26th, 2017

Announcements

DNA triggers shape-shifting in hydrogels, opening a new way to make 'soft robots' September 21st, 2017

Physicists develop new recipes for design of fast single-photon gun Physicists develop high-speed single-photon sources for quantum computers of the future September 21st, 2017

GLOBALFOUNDRIES Introduces New 12nm FinFET Technology for High-Performance Applications September 20th, 2017

Copper catalyst yields high efficiency CO2-to-fuels conversion: Berkeley Lab scientists discover critical role of nanoparticle transformation September 20th, 2017

Water

Magnetized viruses attack harmful bacteria: Rice, China team uses phage-enhanced nanoparticles to kill bacteria that foul water treatment systems August 2nd, 2017

Bacteria-coated nanofiber electrodes clean pollutants in wastewater July 1st, 2017

Smart materials used in ultrasound behave similar to water, Penn chemists report June 16th, 2017

Plasmonics could bring sustainable society, desalination tech June 2nd, 2017

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project