Navigation Links
MIT sculpts 3-D particles with light
Date:12/3/2007

CAMBRIDGE, Mass.--MIT engineers have used ultraviolet light to sculpt three-dimensional microparticles that could have many applications in medical diagnostics and tissue engineering. For example, they could be designed to act as probes to detect certain molecules, such as DNA, or to release drugs or nutrients.

The new technique offers unprecedented control over the size, shape and texture of the particles. It also allows researchers to design particles with specific chemical properties, such as porosity (a measure of the void space in a material that can affect how fast different molecules can diffuse through the particles).

With this method, you can rationally design particles, and precisely place chemical properties, said Patrick Doyle, associate professor of chemical engineering. Doyle is one of the authors of a paper on the work that will appear in the Dec. 3 issue of the journal Angewandte Chemie, published by the German Chemical Society.

The research team started with a method that Doyle and his students reported in a 2006 issue of Nature Materials to create two-dimensional particles. Called continuous flow lithography, this approach allows shapes to be imprinted onto flowing streams of liquid polymers. Wherever pulses of ultraviolet light strike the flowing stream of small monomeric building blocks, a reaction is set off that forms a solid polymeric particle. They have now modified that method to add three-dimensionality.

This process can create particles very rapidly: Speeds range from 1,000 to 10,000 particles per second, depending on the size and shape of the particles. The particles range in size from about a millionth of a meter to a millimeter.

The team's new process works by shining ultraviolet light through two transparency masks, which define and focus the light before it reaches the flowing monomers. The first mask, which controls the size and shape of the particles, is part of the technique report
'/>"/>

Contact: Elizabeth Thomson
thomson@mit.edu
617-258-5402
Massachusetts Institute of Technology
Source:Eurekalert

Page: 1 2

Related biology news :

1. Novel 3-D cell culture model shows selective tumor uptake of nanoparticles
2. Worldwide atmospheric measurements will determine the role of atmospheric fine particles
3. MIT: Remote-control nanoparticles deliver drugs directly into tumors
4. Clemson scientists shed light on molecules in living cells
5. September Geology and GSA Today media highlights
6. Highlights from the September 2007 Journal of the American Dietetic Association
7. Genome study shines light on genetic link to height
8. Pig study sheds new light on the colonisation of Europe by early farmers
9. Researchers developing device to predict proper light exposure for human health
10. AGU journal highlights -- Sept. 6, 2007
11. IDEMA Reveals Program Highlights for DISKCON USA 2007
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/31/2015)... Aug. 31, 2015 Research and Markets ( ... "Saudi Arabia Biomedical Sensors Market - Growth, Trends & ... The Saudi Arabia Biomedical Sensors market is estimated ... 3.64% over the period 2014-2020 The near ... the genetic formulation of each individual. These sensors can ...
(Date:8/24/2015)... MOUNTAIN VIEW, Calif. , Aug. 24, 2015  Based ... & Sullivan recognizes DERMALOG with the 2015 African Biometrics Company ... manufacturer and has achieved substantial commercial success in ... Nigeria , where it has implemented one of ... equipped 23 banks as well as the Central Bank of ...
(Date:8/18/2015)... PRINCETON, N.J. , Aug. 18, 2015 ... be a key contributor to the Submission ... hosted by IRISS, a non-profit forum. Dedicated to ... IRISS provides a neutral platform for industry, ... to share information and work towards a ...
Breaking Biology News(10 mins):Saudi Arabia Biomedical Sensors Market Report 2015 - Growth, Trends & Forecasts (2014-2020) 2Frost & Sullivan Applauds DERMALOG's Rise as the Supplier of Best-in-class Biometric Solutions in Africa 2Frost & Sullivan Applauds DERMALOG's Rise as the Supplier of Best-in-class Biometric Solutions in Africa 3Frost & Sullivan Applauds DERMALOG's Rise as the Supplier of Best-in-class Biometric Solutions in Africa 4Frost & Sullivan Applauds DERMALOG's Rise as the Supplier of Best-in-class Biometric Solutions in Africa 5Frost & Sullivan Applauds DERMALOG's Rise as the Supplier of Best-in-class Biometric Solutions in Africa 6Navitas, a Key Contributor in IRISS Forum Webinar 2Navitas, a Key Contributor in IRISS Forum Webinar 3
... The United States Department of Energy has awarded ... $1 million grant to be distributed over five years. ... small and medium size local manufacturers to manage their ... manufacturing processes. "The center helps local manufacturing companies ...
... Medicine and the Remaking of the Dog in the Twentieth Century, ... in the rise of dogs that are pure bred, which three ... dog show Cruft,s over concerns about the health of pedigree dogs. ... friend, and given its modern position as a domestic companion and ...
... 2006, more than a million have been killed. Little has ... enough evidence to implicate the suspectuntil now. A ... causal agent of White-nose Syndrome (WNS), the fungal disease decimating ... Boyles, a post-doctoral research associate in ecology and evolutionary biology ...
Cached Biology News:UM College of Engineering receives $1 million grant from the Department of Energy 2It's a dog's life: $800,000 study launched into man's best friend 2UT scientist helps confirm link between fungus and bat epidemic 2
(Date:9/1/2015)... ... September 01, 2015 , ... Knowledgent , the data and analytics ... advanced analytics utilizing data lakes in the healthcare industry. , As the Internet of ... of data over the last few years as more entities become technology enabled through ...
(Date:9/1/2015)... ... 01, 2015 , ... A new host-based therapy for Ebola, ... Keck Graduate Institute and its collaborators. The discovery has the potential to speed ... on August 27 by Scientific Reports, an open access research journal from the ...
(Date:9/1/2015)... , September 1, 2015 Shire ... of Sara Mathew to its Board of Directors ... of the Audit, Compliance & Risk Committee of the Shire ... 2015. Sara previously served as Chairman, President and ... in December 2013. During her 12-year tenure at D&B, she ...
(Date:8/31/2015)... ... 31, 2015 , ... In recent years, biodegradable plastics have ... carbon footprints and compostability. These properties can help in limiting the degradation of ... of applications, the market for biodegradable plastics can be broadly segmented into packaging, ...
Breaking Biology Technology:New White Paper Explores Data Lake Opportunities in the Healthcare Industry 2Scientists Discover New Use for an Old Therapy Inhibiting Deadly Pathogens Including Ebola and Anthrax 2Scientists Discover New Use for an Old Therapy Inhibiting Deadly Pathogens Including Ebola and Anthrax 3Scientists Discover New Use for an Old Therapy Inhibiting Deadly Pathogens Including Ebola and Anthrax 4Shire Appoints Sara Mathew to Board of Directors 2Biodegradable Plastics Market Growing at 10.8% CAGR to 2020 2Biodegradable Plastics Market Growing at 10.8% CAGR to 2020 3Biodegradable Plastics Market Growing at 10.8% CAGR to 2020 4Biodegradable Plastics Market Growing at 10.8% CAGR to 2020 5
... Nov. 3, 2010 Sangamo BioSciences, Inc. ... has been awarded a total of $978,000 in grants ... Discovery Project Program. Under the recently ... section 48D of the Internal Revenue Code, cash grants ...
... ... ... var shortURL ... we need to grab the first one. for (var r in data.results) { first_result = data.results[r]; break; } for ...
... Mass., Nov. 2, 2010 Repligen Corporation (Nasdaq: ... quarter of fiscal year 2011, ended September 30, 2010. ... to total revenue of $5,421,000 for the second quarter ... 35%.  Bioprocessing product revenue for the second quarter was ...
Cached Biology Technology:Sangamo BioSciences Awarded Grants for the Development of Four ZFP Therapeutic® Programs 2Sangamo BioSciences Awarded Grants for the Development of Four ZFP Therapeutic® Programs 3IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 2IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 3IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 4IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 5IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 6IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 7IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 8IGEN NETWORKS ANNOUNCES THE APPOINTMENT OF TWO NEW MEMBERS TO THE ADVISORY BOARD 9Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 2Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 3Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 4Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 5Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 6Repligen Reports Second Quarter Fiscal Year 2011 Financial Results 7
The SmartSpec printer paper is used to record data generated by the SmartSpec Plus spectrophotometer. Supplied as 5 packs....
... Gel extraction kit, 100 preps Storage: The ... temperature. For longer storage, keep all contents of ... spin column purification kit utilizes a silica-gel based ... DNA fragments in the presence of specialized binding ...
... been developed for affinity capture of ... of ProteinChip chemical surfaces allow differential ... unique biochemical properties. Each chip has ... comparison, and the chips are color-coded ...
The Econo gradient pump rack is a preassembled rack that is used to hold the components of the Econo gradient pump kits....
Biology Products: