Navigation Links
Accidental discovery produces durable new blue pigment for multiple applications

CORVALLIS, Ore. An accidental discovery in a laboratory at Oregon State University has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan cultures and more the creation of a near-perfect blue pigment.

Through much of recorded human history, people around the world have sought inorganic compounds that could be used to paint things blue, often with limited success. Most had environmental or durability issues. Cobalt blue, developed in France in the early 1800s, can be carcinogenic. Prussian blue can release cyanide. Other blue pigments are not stable when exposed to heat or acidic conditions.

But chemists at OSU have discovered new compounds based on manganese that should address all of those concerns. They are safer to produce, much more durable, and should lead to more environmentally benign blue pigments than any being used now or in the past. They can survive at extraordinarily high temperatures and don't fade after a week in an acid bath.

The findings were just published in the Journal of the American Chemical Society, and a patent has been applied for on the composition of the compound and the process used to create it. The research was funded by the National Science Foundation.

"Basically, this was an accidental discovery," said Mas Subramanian, the Milton Harris Professor of Materials Science in the OSU Department of Chemistry. "We were exploring manganese oxides for some interesting electronic properties they have, something that can be both ferroelectric and ferromagnetic at the same time. Our work had nothing to do with looking for a pigment.

"Then one day a graduate student who is working in the project was taking samples out of a very hot furnace while I was walking by, and it was blue, a very beautiful blue," he said. "I realized immediately that something amazing had happened."

What had happened, the researchers said, was that at about 1,200 degrees centigrade almost 2,000 degrees Fahrenheit this otherwise innocuous manganese oxide turned into a vivid blue compound that could be used to make a pigment able to resist heat and acid, be environmentally benign and cheap to produce from a readily available mineral.

The newest and possibly the best blue pigment in world history was born, due to manganese ions being structured in an unusual "trigonal bipyramidal coordination" in the presence of extreme heat.

"Ever since the early Egyptians developed some of the first blue pigments, the pigment industry has been struggling to address problems with safety, toxicity and durability," Subramanian said.

The pigment may eventually find uses in everything from inkjet printers to automobiles, fine art or house paint, researchers say.

The scientists said in their journal article that the new compound yields "a surprisingly intense and bright blue color," and they have outlined its structure and characteristics in detail. Collaborating on the work were researchers in the Materials Department at the University of California/Santa Barbara.

"A lot of the most interesting discoveries are not really planned, we've seen that throughout history," Subramanian said. "There is luck involved, but I also teach my students that you have to stay alert to recognize something when it happens, even if it isn't what you were looking for."

"Luck favors the alert mind."


Contact: Mas Subramanian
Oregon State University

Related biology news :

1. Small-scale fishing in Mexico rivals industrial fisheries in accidental turtle deaths
2. Discovery may help defang viruses
3. Stomach stem cell discovery could bring cancer insights
4. Symposium marks 30th anniversary of discovery of third domain of life
5. Emory paleontologist reports discovery of carnivorous dinosaur tracks in Australia
6. Natural product discovery by Cleveland medical researchers blocks tissue destruction
7. Researchers discovery may lead to hypertension treatment
8. Yale discovery suggests protein may play a role in severe asthma
9. Galapagos and Cystic Fibrosis Foundation Therapeutics announce drug discovery collaboration
10. Profound immune system discovery opens door to halting destruction of lupus
11. Scripps Research discovery leads to broad potential applications in CovX-Pfizer deal
Post Your Comments:
(Date:11/17/2015)... Paris from 17 th until 19 th ... from 17 th until 19 th November 2015.   ... the first combined scanner in the world which scans both ... two different scanners were required: one for passports and one ... same surface. This innovation is an ideal solution for electronic ...
(Date:11/17/2015)... LIVERMORE, Calif. , Nov. 17, 2015  Vigilant ... has joined its Board of Directors. ... Vigilant,s Board after recently retiring from the partnership at ... owning 107 companies with over $140 Billion in revenue.  ... performance improvement across all the TPG companies, from 1997 ...
(Date:11/16/2015)... , Nov 16, 2015  Synaptics Inc. ... human interface solutions, today announced expansion of its ... ™ touch controller and display driver integration ... of smartphones. These new TDDI products add to ... (HD resolution), TD4302 (WQHD resolution), and TD4322 (FHD ...
Breaking Biology News(10 mins):
(Date:11/24/2015)... INCLINE VILLAGE, Nev. , Nov. 24, 2015  PDL ... John P. McLaughlin , the company,s president and chief ... Piper Jaffray Healthcare Conference next week in New ... and will occur on Tuesday, December 1, 2015 at 9:30 ... and Presentations." Please connect to the website at least 15 ...
(Date:11/24/2015)... , Nov. 24, 2015 According to two ... in 2005. This is something that many doctors, scientists, and ... One questions remains: with fewer PSA tests being done, will ... Dr. David Samadi, "Despite the efforts ... disease remains the second leading cancer cause of death in ...
(Date:11/23/2015)... HONG KONG, Nov. 23, 2015 China Cord ... "Company"), China,s leading provider of cord blood collection, laboratory ... services, today announced its preliminary unaudited financial results for ... 2016 ended September 30, 2015. --> ... Highlights , Revenues for the second quarter of ...
(Date:11/23/2015)... The royalty-free a greement a llows ... 112 low- and m iddle-i ncome ... --> The Medicines Patent Pool (MPP) today announced its ... with Bristol-Myers Squibb for daclatasvir, a novel direct-acting antiviral that ... virus.  The royalty-free licence will enable generic manufacture of daclatasvir ...
Breaking Biology Technology: