Featured Research

from universities, journals, and other organizations

More versatile molecular sensors

Date:
May 10, 2012
Source:
Asociación RUVID
Summary:
Researchers have found out the way to introduce gas molecules in non-porous materials, allowing them to act as molecular sensors. This finding allows for the production of more versatile, precise sensors since, apart from the optical response for the molecules detection, the magnetic response is a capability which did not exist for these kinds of crystalline materials up until now.

Non-porous material.
Credit: Image courtesy of Asociación RUVID

Researchers in the Universitat de València's Molecular Science Institute (ICMol), located in Parc Científic, have found out the way to introduce gas molecules in non-porous materials, allowing them to act as molecular sensors. This finding allows for the production of more versatile, precise sensors since, apart from the optical response for the molecules detection, the magnetic response is a capability which did not exist for these kinds of crystalline materials up until now.

This work, recently published on the journal Nature Communications, is part of the doctoral thesis by Mónica Giménez Márquez. The thesis has been supervised by Guillermo Mínguez and Eugenio Coronado. The three of them are researchers at ICMol.

Intelligent materials respond to external stimulus like light, pressure, temperature or humidity in order to change their properties. These changes allow for the use of these materials as sensors. For example, in recent years some porous materials of metal-organic kind (MOF's) have been designed. They change their properties as they host gas molecules in their pores. This feature has enabled these porous materials to be used as molecular sensors.

However, despite the fact that magnetic materials are outstanding intelligent materials, they have not been used as sensors until now. The reason for this is that magnetism and porosity are two opposite properties: the first needs absence of pores to bring the metallic centers closer and thus trigger interaction; the second requires organic spacers to separate metallic centers and generate pores.

The authors of the work have demonstrated that it is possible to modulate magnetic properties through a chemical stimulus in absence of pores, thus avoiding the problem of combining magnetism and gas absorption. The paper is published in a recent issue of Nature Communications.


Story Source:

The above story is based on materials provided by Asociación RUVID. Note: Materials may be edited for content and length.


Journal Reference:

  1. Eugenio Coronado, Mónica Giménez-Marqués, Guillermo Mínguez Espallargas, Lee Brammer. Tuning the magneto-structural properties of non-porous coordination polymers by HCl chemisorption. Nature Communications, 2012; 3: 828 DOI: 10.1038/ncomms1827

Cite This Page:

Asociación RUVID. "More versatile molecular sensors." ScienceDaily. ScienceDaily, 10 May 2012. <www.sciencedaily.com/releases/2012/05/120510095943.htm>.
Asociación RUVID. (2012, May 10). More versatile molecular sensors. ScienceDaily. Retrieved July 24, 2014 from www.sciencedaily.com/releases/2012/05/120510095943.htm
Asociación RUVID. "More versatile molecular sensors." ScienceDaily. www.sciencedaily.com/releases/2012/05/120510095943.htm (accessed July 24, 2014).

Share This




More Matter & Energy News

Thursday, July 24, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Robot Parking Valet Creates Stress-Free Travel

Robot Parking Valet Creates Stress-Free Travel

AP (July 23, 2014) — 'Ray' the robotic parking valet at Dusseldorf Airport in Germany lets travelers to avoid the hassle of finding a parking spot before heading to the check-in desk. (July 23) Video provided by AP
Powered by NewsLook.com
Boeing Ups Outlook on 52% Profit Jump

Boeing Ups Outlook on 52% Profit Jump

Reuters - Business Video Online (July 23, 2014) — Commercial aircraft deliveries rose seven percent at Boeing, prompting the aerospace company to boost full-year profit guidance- though quarterly revenues missed analyst estimates. Bobbi Rebell reports. Video provided by Reuters
Powered by NewsLook.com
Europe's Car Market on the Rebound?

Europe's Car Market on the Rebound?

Reuters - Business Video Online (July 23, 2014) — Daimler kicks off a round of second-quarter earnings results from Europe's top carmakers with a healthy set of numbers - prompting hopes that stronger sales in Europe will counter weakness in emerging markets. Hayley Platt reports. Video provided by Reuters
Powered by NewsLook.com
9/11 Commission Members Warn of Terror "fatigue" Among American Public

9/11 Commission Members Warn of Terror "fatigue" Among American Public

Reuters - US Online Video (July 22, 2014) — Ten years after releasing its initial report, members of the 9/11 Commission warn of the "waning sense of urgency" in combating terrorists attacks. Mana Rabiee reports. Video provided by Reuters
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins