Featured Research

from universities, journals, and other organizations

Build-a-nanoparticle

Date:
November 7, 2013
Source:
Okinawa Institute of Science and Technology - OIST
Summary:
Nanoparticles, which range from 1-100 nanometers in size, are roughly the same size as biomolecules such as proteins, antibodies, and membrane receptors. Because of this size similarity, nanoparticles can mimic biomolecules and therefore have a huge potential for application in the biomedical field. Scientists have now designed and created multicomponent nanoparticles with specific shapes and structures.

Nanoparticles, which range from 1-100 nanometers in size, are roughly the same size as biomolecules such as proteins, antibodies, and membrane receptors. Because of this size similarity, nanoparticles can mimic biomolecules and therefore have a huge potential for application in the biomedical field. In a paper published in Scientific Reports on October 30th, a group of researchers from the OIST Nanoparticles by Design Unit lead by Prof. Mukhles Sowwan announced that they have succeeded in designing and creating multicomponent nanoparticles with controlled shape and structure.

Multicomponent nanoparticles, which are nanoparticles containing two or more materials, are even more powerful since they bring together the unique properties of each material to make a single nanoparticle with various functionalities. For example, a single-component nanoparticle may be able to transport drugs but may not be able to differentiate between healthy and diseased cells. In contrast, a multicomponent nanoparticle could also include characteristics of another material that can distinguish between healthy and diseased cells to make drug delivery more efficient.

The OIST researchers produced Silicon-Silver nanoparticles using advanced equipment custom-designed specifically for producing multicomponent nanoparticles. Silicon and Silver are an interesting combination because each element has different optical properties that give out different signals. A single nanoparticle simultaneously sending out multiple signals is attractive for bioimaging and biosensoring: for example, Silver would show whether a certain reaction is happening or not, while Silicon could give out information about where the nanoparticles are located.

Especially exciting is that Prof. Sowwan and his team that includes scientists from Ireland, Greece, India, United Kingdom, Peru, South Korea, Palestine, France, Spain, and Japan, can customize not only the shape and structure of the nanoparticles but also the nanoparticles' characteristics. Engineering a particle that is 10 million times smaller than the size of a football is not easy: although nanoparticles like these have been made elsewhere in the past using different methods, they lack the level of control and purity offered at the Nanoparticles by Design Unit. With this technique, the size, structure, and crystallinity -- the orderliness of atoms -- of each nanoparticle can be customized. In this particular study, Sliver was used to control the crystallinity of Silicon. By controlling the crystallinity, optical, electrical, and chemical properties of the nanoparticle can be fine-tuned. "This is engineering. We control how we want the nanoparticles to be," said Prof. Sowwan.


Story Source:

The above story is based on materials provided by Okinawa Institute of Science and Technology - OIST. Note: Materials may be edited for content and length.


Journal Reference:

  1. Cathal Cassidy, Vidyadhar Singh, Panagiotis Grammatikopoulos, Flyura Djurabekova, Kai Nordlund, Mukhles Sowwan. Inoculation of silicon nanoparticles with silver atoms. Scientific Reports, 2013; 3 DOI: 10.1038/srep03083

Cite This Page:

Okinawa Institute of Science and Technology - OIST. "Build-a-nanoparticle." ScienceDaily. ScienceDaily, 7 November 2013. <www.sciencedaily.com/releases/2013/11/131107094021.htm>.
Okinawa Institute of Science and Technology - OIST. (2013, November 7). Build-a-nanoparticle. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2013/11/131107094021.htm
Okinawa Institute of Science and Technology - OIST. "Build-a-nanoparticle." ScienceDaily. www.sciencedaily.com/releases/2013/11/131107094021.htm (accessed April 20, 2014).

Share This



More Matter & Energy News

Sunday, April 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Small Reactors Could Be Future of Nuclear Energy

Small Reactors Could Be Future of Nuclear Energy

AP (Apr. 17, 2014) After the Fukushima nuclear disaster, the industry fell under intense scrutiny. Now, small underground nuclear power plants are being considered as the possible future of the nuclear energy. (April 17) Video provided by AP
Powered by NewsLook.com
Horseless Carriage Introduced at NY Auto Show

Horseless Carriage Introduced at NY Auto Show

AP (Apr. 17, 2014) An electric car that proponents hope will replace horse-drawn carriages in New York City has also been revealed at the auto show. (Apr. 17) Video provided by AP
Powered by NewsLook.com
Honda's New ASIMO Robot, More Human-Like Than Ever

Honda's New ASIMO Robot, More Human-Like Than Ever

AFP (Apr. 17, 2014) It walks and runs, even up and down stairs. It can open a bottle and serve a drink, and politely tries to shake hands with a stranger. Meet the latest ASIMO, Honda's humanoid robot. Duration: 00:54 Video provided by AFP
Powered by NewsLook.com
German Researchers Crack Samsung's Fingerprint Scanner

German Researchers Crack Samsung's Fingerprint Scanner

Newsy (Apr. 16, 2014) German researchers have used a fake fingerprint made from glue to bypass the fingerprint security system on Samsung's new Galaxy S5 smartphone. Video provided by Newsy
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