Navigation Links
Reproducing nature's chemistry: Researchers alter molecular properties in a new way
Date:8/29/2013

In their search for molecules with certain characteristics, chemists have produced millions of new, increasingly complex synthetic materials by altering molecules' chemical structures.

Taking cues from nature, Northwestern University researchers have recently tested a new method for achieving the molecular properties they seek: by changing the geometry of the surface to which molecules are bound.

"For years chemists have been making molecules to solve problems each one more synthetically complicated than the last but we still haven't come close to achieving what nature can do with much simpler chemistry,'" said Bartosz A. Grzybowski, Kenneth Burgess Professor of Chemical and Biological Engineering and Chemistry at Northwestern's McCormick School of Engineering and Applied Science. "Nature's most complex component of life, the protein, is made from only 21 simple amino acids. This research explores the idea that it's not the molecule you have that's important, it is how it interacts with its environment."

Using this idea, the researchers developed a technique in which a single type of molecule is placed on nanoparticles with two different regions of curvature. Although the molecules are atomically identical, they demonstrate unique chemical properties depending on what region of curvature they are bound to.

A paper describing the research, "Geometric Curvature Controls the Chemical Patchiness and Self-Assembly of Nanoparticles," was published August 18 in Nature Nanotechnology.

The researchers began by affixing molecules of a carboxylic acid at various points on several gold nanoparticles, some as small as five nanometers in diameter. Each nanoparticle possessed a different geometry. On nanoparticles exhibiting a greater curvature, the molecules were naturally spaced father apart; on nanoparticles with more gradual curvature, they were closer together.

The differences in curvature influences the dis
'/>"/>

Contact: Megan Fellman
fellman@northwestern.edu
847-491-3115
Northwestern University
Source:Eurekalert

Page: 1 2

Related biology technology :

1. IntelLiDrives XYZ Robot Helps Researchers to Develop Weather-resistant Crops
2. Researchers figure out how to grow carbon nanotubes with specific atomic structures
3. Opertech Bio Researchers Develop Method For High-Throughput Taste Evaluation
4. Sarcoma Alliance Announces Tissue Bank to Help Researchers
5. BioInformatics LLC—New Report Finds High Degree of Satisfaction With Instrumentation Performance Among Researchers
6. York Nanocentre researchers image individual atoms in a living catalytic reaction
7. Medrio, a Leading EDC Provider for Clinical Research, Announces Its Latest Version, 8.1 with iPad Support, is Available Without Charge for Academic Researchers
8. Researchers strike gold with nanotech vaccine
9. US and Canadian researchers drive towards cheaper fuel cells for electric cars
10. UCSB researchers identify the mechanisms underlying salt-mediated behaviors in fruit flies
11. UC Irvine researchers unveil AsterixDB for Big Data management
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/24/2015)... Texas (PRWEB) April 24, 2015 ... for use in applications such as animal waste ... and oil reduction in wastewater treatment plants and ... an exhibitor at the National Restaurant Association’s NRA ... , Representatives of the company will be ...
(Date:4/24/2015)... 2015 PAREXEL International Corporation (NASDAQ: ... announced that Partnerships in Clinical Trials named PAREXEL,s ... Clinical Innovator of the Year.  The honor recognizes Mr. ... Company,s Perceptive MyTrials ® Data-Driven Monitoring solution. ... the 2015 Partnership Awards in Boston ...
(Date:4/23/2015)... 23, 2015 /CNW/ - A new and innovative service ... North America,s largest packaging ... Silver in the "Sustainability, service" category of the ... "Competitor Comparison" is a service that scores clients, ... Global peers. This benchmarking process shows clients how ...
(Date:4/23/2015)... April 23, 2015 Follow ... to a series of genetic tests that determine ... Lou Gehrig's disease, Huntington's disease, and Alzheimer's disease. ... gene composition and interaction in diseased tissue/cells to ... well as the response to treatment, such as ...
Breaking Biology Technology:DryLet to Showcase Bio-React at the National Restaurant Association’s NRA Show 2015 May 16-19, 2015 in Chicago, Illinois 2PAREXEL Honored With 2015 Clinical Innovator Of The Year Award From Partnerships In Clinical Trials 2PAREXEL Honored With 2015 Clinical Innovator Of The Year Award From Partnerships In Clinical Trials 3PAREXEL Honored With 2015 Clinical Innovator Of The Year Award From Partnerships In Clinical Trials 4PAREXEL Honored With 2015 Clinical Innovator Of The Year Award From Partnerships In Clinical Trials 5Increasing Disease Prevalence & Focus on Preventive Healthcare Drive the Predictive Diagnostics Market, According to a New Report by Global Industry Analysts, Inc. 2Increasing Disease Prevalence & Focus on Preventive Healthcare Drive the Predictive Diagnostics Market, According to a New Report by Global Industry Analysts, Inc. 3
... , ... • LEADseeker • DeepBlueC• cell-based assays , ... Competitive pressure is forcing organizations to continually increase screening ... screens such as luminescence cell-based assays. LEADseeker™ Multimodality Imaging System was ...
... , Key ... amplification (WGA),• degenerate oligonucleotideprimed PCR (DOP-PCR),• Cy3/Cy5-dCTP probe labeling ... array • array CGH ... Human genomic DNA isolated from formalin-fixed ...
... Amounts of Data into Gems of Knowledge Using discoveryHub™ ... Abstract , This paper discusses key problems and ... (volume) and complexity of life science data available today, ... integration that enables rapid ‘harvesting’ and analysis of critical ...
Cached Biology Technology:Use of BRET2 luminescence cell-based assays with LEADseeker Multimodality Imaging System 2Use of BRET2 luminescence cell-based assays with LEADseeker Multimodality Imaging System 3GenomiPhi amplification of FFPE tissue DNA for array CGH 2GenomiPhi amplification of FFPE tissue DNA for array CGH 3GenomiPhi amplification of FFPE tissue DNA for array CGH 4GenomiPhi amplification of FFPE tissue DNA for array CGH 5GenomiPhi amplification of FFPE tissue DNA for array CGH 6GenomiPhi amplification of FFPE tissue DNA for array CGH 7GenomiPhi amplification of FFPE tissue DNA for array CGH 8GenomiPhi amplification of FFPE tissue DNA for array CGH 9GenomiPhi amplification of FFPE tissue DNA for array CGH 10Exploiting the Life Science Data Explosion to Speed New Drug Discovery 2Exploiting the Life Science Data Explosion to Speed New Drug Discovery 3Exploiting the Life Science Data Explosion to Speed New Drug Discovery 4Exploiting the Life Science Data Explosion to Speed New Drug Discovery 5Exploiting the Life Science Data Explosion to Speed New Drug Discovery 6Exploiting the Life Science Data Explosion to Speed New Drug Discovery 7Exploiting the Life Science Data Explosion to Speed New Drug Discovery 8Exploiting the Life Science Data Explosion to Speed New Drug Discovery 9Exploiting the Life Science Data Explosion to Speed New Drug Discovery 10Exploiting the Life Science Data Explosion to Speed New Drug Discovery 11Exploiting the Life Science Data Explosion to Speed New Drug Discovery 12Exploiting the Life Science Data Explosion to Speed New Drug Discovery 13Exploiting the Life Science Data Explosion to Speed New Drug Discovery 14Exploiting the Life Science Data Explosion to Speed New Drug Discovery 15Exploiting the Life Science Data Explosion to Speed New Drug Discovery 16Exploiting the Life Science Data Explosion to Speed New Drug Discovery 17
(Date:3/24/2015)... BEACH GARDENS, Fla. , March 24, 2015 ... biometric identity management solutions, today announced that its ... premium clothing accessory retailer Goorin Bros . ... The Crossmatch biometrics-based solution secures access to the ... from the increased risk of data breaches. ...
(Date:3/23/2015)... OXFORD, Conn. , Mar. 23, 2015 NXT-ID, Inc. ... authentication company focused on the growing mobile commerce market, announces ... a new advertising campaign on CNBC television starting March 30 ... ads will commence airing in New York ... Executive Officer said: "We are excited about our new ad ...
(Date:3/20/2015)... 2015 Research and Markets ( http://www.researchandmarkets.com/research/vkzvcs/iris_biometrics ) ... Global Strategic Business Report" report to their offering. ... in US$ Thousands. The report provides separate comprehensive analytics for ... , Europe , Asia-Pacific ... Latin America . Annual estimates and ...
Breaking Biology News(10 mins):Crossmatch Fingerprint Readers Help Retailer Prevent Data Breaches at Point-of-Sale 2NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 2NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 2Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 4Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 5
... February 1, 2011. Fact: The sex of some species ... warm nests produce females, cooler nests, males. And although ... years, scientists now report that almost half of the turtle ... global warming may affect turtle reproduction. To bring attention to ...
... species present a serious environmental, economic and social problem ... biodiversity and ecosystem functions, such as nutrient cycling. Despite ... can dominate new habitats over native plants that technically ... tested assumption is that these plants are more abundant ...
... key to preventing deaths from measles. Despite the availability ... children worldwide, particularly in less-developed regions where vaccination coverage ... at the Johns Hopkins Bloomberg School of Public Health ... a dry powder, live-attenuated measles vaccine that can be ...
Cached Biology News:Turtle populations affected by climate, habitat loss and overexploitation 2Home and away: How do invasive plant species dominate native species? 2Researchers test inhalable measles vaccine 2
... quick and easy operation of a wide ... The software is fully secure and ... Part 11 regulations, and compatible with user-created ... versatility enables use in high-level research and ...
... kit provides reagents for immune complex disruption ... plasma samples using a combination of low ... neutralized and transferred to microplate wells which ... monoclonal antibody to HIV-1 p24. The immobilized ...
... solution for scheduling, performing and documenting ... pipettes and liquid handling devices. Collects ... Supports all gravimetric calibration protocols ... NCCLS and GLP requirements Includes ...
... Activins are polypeptide hormones which ... (TGF-) superfamily. The TGF- superfamily is ... factors which control many aspects of ... (1). Other members incude TGF-s, bone ...
Biology Products: