Featured Research

from universities, journals, and other organizations

New Polymer Product From Soy Oil, Not Petroleum

Date:
May 5, 2008
Source:
US Department of Agriculture
Summary:
Hair-care products, wound-care dressings and drug encapsulation are among the potential uses of new, soy-oil-based polymers known as "hydrogels." Chemists developed the soy-oil-based hydrogels as a biodegradable alternative to the synthetic polymers now used, including polyacrylic acid and polyacrylamide.

A soy-based polymer slurry being tested by chemist Sevim Erhan can be used with or without molds to make small toys or manufacturing parts.
Credit: Photo by Keith Weller

Hair-care products, wound-care dressings and drug encapsulation are among the potential uses of new, soy-oil-based polymers known as "hydrogels," developed by Agricultural Research Service (ARS) scientists in Peoria, Ill.

ARS chemists Sevim Erhan and Zengshe Liu developed the soy-oil-based hydrogels as a biodegradable alternative to the synthetic polymers now used, including polyacrylic acid and polyacrylamide.

Soy oil is an appealing raw material to use because it is chemically versatile, abundant and renewable--meaning the crop can be replanted each year to renew the supply. In 2006, U.S. farmers planted 76 million acres of soybeans, equal to about 38 percent of the world's total oilseed production, notes Erhan. She and Liu both work at ARS' National Center for Agricultural Utilization Research in Peoria.

They first began investigating soy-oil-based hydrogels in 1999 as part of the Peoria center's mission of exploring new, value-added uses for corn, soybeans and other Midwest crops. Using a two-step process--ring-opening polymerization and hydrolysis--they created a squishy but durable hydrogel polymer that expands and contracts in response to changes in temperature and acidity levels.

In tests, they observed that the hydrogel's water-absorbing capacity was lower than that of petroleum-based polymers. But this later proved to be a plus. In collaboration with Erhan and Liu, a University of Toronto scientist successfully formulated the hydrogel into nanoparticles that encapsulate the breast cancer drug doxorubicin. In drug-release experiments, nanoparticle-delivered doxorubicin proved eight times more toxic to cancerous cell lines than when lipid-water solutions were used.

Soy proteins are known allergens, but Erhan doesn't anticipate this posing a problem to the nanoparticles' use as drug-delivery agents. That's because soy oil's chemical structure is completely changed by the two-step manufacturing process used to make the hydrogel.


Story Source:

The above story is based on materials provided by US Department of Agriculture. Note: Materials may be edited for content and length.


Cite This Page:

US Department of Agriculture. "New Polymer Product From Soy Oil, Not Petroleum." ScienceDaily. ScienceDaily, 5 May 2008. <www.sciencedaily.com/releases/2008/05/080502170413.htm>.
US Department of Agriculture. (2008, May 5). New Polymer Product From Soy Oil, Not Petroleum. ScienceDaily. Retrieved July 25, 2014 from www.sciencedaily.com/releases/2008/05/080502170413.htm
US Department of Agriculture. "New Polymer Product From Soy Oil, Not Petroleum." ScienceDaily. www.sciencedaily.com/releases/2008/05/080502170413.htm (accessed July 25, 2014).

Share This




More Plants & Animals News

Friday, July 25, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

How to Make Single Serving Smoothies: Howdini Hacks

How to Make Single Serving Smoothies: Howdini Hacks

Howdini (July 24, 2014) Smoothies are a great way to get in lots of healthy ingredients, plus they taste great! Howdini has a trick for making the perfect single-size smoothie that will save you time on cleanup too! All you need is a blender and a mason jar. Video provided by Howdini
Powered by NewsLook.com
Boy Attacked by Shark in Florida

Boy Attacked by Shark in Florida

Reuters - US Online Video (July 24, 2014) An 8-year-old boy is bitten in the leg by a shark while vacationing at a Florida beach. Linda So reports. Video provided by Reuters
Powered by NewsLook.com
Goma Cheese Brings Whiff of New Hope to DRC

Goma Cheese Brings Whiff of New Hope to DRC

Reuters - Business Video Online (July 24, 2014) The eastern region of the Democratic Republic of Congo, mainly known for conflict and instability, is an unlikely place for the production of fine cheese. But a farm in the village of Masisi, in North Kivu is slowly transforming perceptions of the area. Known simply as Goma cheese, the Congolese version of Dutch gouda has gained popularity through out the region. Ciara Sutton reports. Video provided by Reuters
Powered by NewsLook.com
Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Newsy (July 24, 2014) A new study claims a set of prehistoric T-Rex footprints supports the theory that the giant predators hunted in packs instead of alone. 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