Nanotechnology Now

Our NanoNews Digest Sponsors
Heifer International

Wikipedia Affiliate Button

Home > Press > Nanopaper as an optical sensing platform

Abstract:
An international team led by the ICREA Prof Arben Merkoçi has just developed new sensing platforms based on bacterial cellulose nanopaper. These novel platforms are simple, low cost and easy to produce and present outstanding properties that make them ideal for optical (bio)sensing applications. The results have been reported in ACS Nano.

Nanopaper as an optical sensing platform

Barcelona, Spain | Posted on July 23rd, 2015

ICN2 researchers are going a step further in the development of simple, low cost and easy to produce biosensors. In an article published in ACS Nano they recently reported various innovative nanopaper-based optical sensing platforms. To achieve this endeavour the corresponding author ICREA Prof Arben Merkoçi, Group Leader at ICN2 and the first author, Dr Eden Morales-Narváez (from ICN2) and Hamed Golmohammadi (visiting researcher at ICN2), from Nanobioelectronics and Biosensors Group, established an international collaboration with the Shahid Chamran University (Iran), the Gorgan University of Agricultural Sciences and Natural Resources (Iran) and the Academy of Sciences of the Czech Republic.

Cellulose is simple, naturally abundant and low cost. However, cellulose fibres ranging at the nanoscale exhibit extraordinary properties such as flexibility, high crystallinity, biodegradability and optical transparency, among others. The nanomaterial can be extracted from plant cellulose pulp or synthetized by non-pathogenic bacteria. Currently, nanocellulose is under active research to develop a myriad of applications including filtration, wound dressing, pollution removal approaches or flexible and transparent electronics, whereas it has been scarcely explored for optical (bio)sensing applications.

The research team led by ICREA Prof Arben Merkoçi seeks to design, fabricate, and test simple, disposable and versatile sensing platforms based on this material. They designed different bacterial cellulose nanopaper based optical sensing platforms. In the article, the authors describe how the material can be tuned to exhibit plasmonic or photoluminescent properties that can be exploited for sensing applications. Specifically, they have prepared two types of plasmonic nanopaper and two types of photoluminescent nanopaper using different optically active nanomaterials.

The researchers took advantage of the optical transparency, porosity, hydrophilicity, and amenability to chemical modification of the material. The bacterial cellulose employed throughout this research was obtained using a bottom-up approach and it is shown that it can be easily turned into useful devices for sensing applications using wax printing or simple punch tools. The scientific team also demonstrates how these novel sensing platforms can be modulated to detect biologically relevant analytes such as cyanide and pathogens among others.

According to the authors, this class of platforms will prove valuable for displaying analytical information in diverse fields such as diagnostics, environmental monitoring and food safety. Moreover, since bacterial cellulose is flexible, lightweight, biocompatible and biodegradable, the proposed composites could be used as wearable optical sensors and could even be integrated into novel theranostic devices. In general, paper-based sensors are known to be simple, portable, disposable, low power-consuming and inexpensive devices that might be exploited in medicine, detection of explosives or hazardous compounds and environmental studies.

####

For more information, please click here

Contacts:
Alicia Labian

Copyright © ICN2

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 Links

Article Reference

Related News Press

News and information

Self-driving microrobots December 10th, 2019

CEA-Leti Thin-Film Batteries Target Extended Applications and Improved Performance in Medical Implants: IEDM 2019 Paper Reports Millimeter-Scale TFBs Exhibit the Best Performance In Both Energy and Power Densities December 10th, 2019

Arrowhead Pharmaceuticals Closes Underwritten Public Offering with Gross Proceeds of $266.8 Million December 7th, 2019

'Buildings' in human bone may hold key to stronger 3D-printed lightweight structures December 6th, 2019

Nanomedicine

Arrowhead Pharmaceuticals Closes Underwritten Public Offering with Gross Proceeds of $266.8 Million December 7th, 2019

Artificial cells act more like the real thing December 6th, 2019

Arrowhead Pharmaceuticals Announces Pricing of Underwritten Public Offering of Common Stock December 5th, 2019

Arrowhead Pharmaceuticals Announces Proposed Underwritten Offering of Common Stock December 3rd, 2019

Sensors

Better biosensor technology created for stem cells: Rutgers innovation may help guide treatment of Alzheimer's, Parkinson's diseases November 12th, 2019

Moving diagnostics out of the lab and into your hand: Electrochemical sensor platform technology could enable portable, multiplexed, point-of-care diagnostics for a wide range of applications November 11th, 2019

Thorium superconductivity: Scientists discover a new high-temperature superconductor November 8th, 2019

Nanoscale manipulation of light leads to exciting new advancement: UNM researchers find decreasing the density of nanoparticles in ordered arrays produces exceptional field enhancements October 11th, 2019

Discoveries

Artificial cells act more like the real thing December 6th, 2019

Scientists see defects in potential new semiconductor: Discovery could help in effort to make high-powered electronics more efficient December 5th, 2019

Electro-optical device provides solution to faster computing memories and processors: First-of-a-kind electro-optical device provides solution to faster and more energy efficient computing memories and processors December 2nd, 2019

Growing nano-tailored surfaces using micellar brushes November 29th, 2019

Materials/Metamaterials

Toward more efficient computing, with magnetic waves: Circuit design offers a path to 'spintronic' devices that use little electricity and generate practically no heat November 29th, 2019

NAUM’19 reviewed the increasing contribution of graphene nanotubes to sustainable development November 21st, 2019

Scientists probe the limits of ice: Transition between ice and liquid water gets fuzzy at the nanoscale November 9th, 2019

Disordered proteins become stable, 'super-sticky' materials: Improved protein control could lead to wound-healing gels and other applications November 3rd, 2019

Announcements

Self-driving microrobots December 10th, 2019

CEA-Leti Thin-Film Batteries Target Extended Applications and Improved Performance in Medical Implants: IEDM 2019 Paper Reports Millimeter-Scale TFBs Exhibit the Best Performance In Both Energy and Power Densities December 10th, 2019

Arrowhead Pharmaceuticals Closes Underwritten Public Offering with Gross Proceeds of $266.8 Million December 7th, 2019

'Buildings' in human bone may hold key to stronger 3D-printed lightweight structures December 6th, 2019

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers/Posters

Self-driving microrobots December 10th, 2019

'Buildings' in human bone may hold key to stronger 3D-printed lightweight structures December 6th, 2019

Artificial cells act more like the real thing December 6th, 2019

Scientists see defects in potential new semiconductor: Discovery could help in effort to make high-powered electronics more efficient December 5th, 2019

Homeland Security

A bullet-proof heating pad November 2nd, 2018

Northwestern researchers achieve unprecedented control of polymer grids: Materials could find applications in water purification, solar energy storage, body armor June 22nd, 2018

Powering the 21st Century with Integrated Photonics: UCSB-Led Team Selected for Demonstration of a Novel Waveguide Platform Which is Transparent Throughout the MWIR and LWIR Spectral Bands June 19th, 2018

Squeezing light at the nanoscale: Ultra-confined light could detect harmful molecules June 17th, 2018

Military

Scientists see defects in potential new semiconductor: Discovery could help in effort to make high-powered electronics more efficient December 5th, 2019

Armored with plastic 'hair' and silica, new perovskite nanocrystals show more durability November 29th, 2019

A record-setting transistor: Engineering professor designs transistor that could enable cheaper, faster wireless communications November 29th, 2019

Moving diagnostics out of the lab and into your hand: Electrochemical sensor platform technology could enable portable, multiplexed, point-of-care diagnostics for a wide range of applications November 11th, 2019

Environment

The Greenest Diet: Bacteria Switch to Eating Carbon Dioxide: Such bacteria may, in the future, contribute to new, carbon-efficient technologies November 27th, 2019

Research shows old newspapers can be used to grow carbon nanotubes: Newspapers provide a green, economical way to produce carbon nanotubes November 22nd, 2019

NAUM’19 reviewed the increasing contribution of graphene nanotubes to sustainable development November 21st, 2019

Argonne collaborates to review current battery recycling processes for electric vehicles November 8th, 2019

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



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project