Case Western researcher bites into crown failures

By / September 21, 2009

Jin-Ho Phark, an assistant professor at the Case Western Reserve University School of Dental Medicine, says he has figured out a way to make ceramic crowns adhere better for dental patients. Park used an x-ray photoelectron spectroscopy system to examine contaminants that clung to failed crown surfaces and found that plaster particles were interfering with…

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Green algae harnessed to make paper-based batteries

By / September 11, 2009

A press release from Uppsala University, Sweden, claims that a group of researchers at the Ångström Laboratory have discovered that the distinctive cellulose nanostructure of Cladophora algae can serve as an effective coating substrate for use in environmentally friendly batteries. The findings have been published in an article in Nano Letters. “These algae has a…

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Video of the week – Aldo Boccaccini on the vitrification of hazardous wastes, bioglass and electrophoretic deposition

By / August 26, 2009

Aldo Boccaccini is a professor in materials science at Imperial College, U.K. and a member of the London Center for Nanotechnology, a joint project between Imperial College and University College, U.K. In this video, he discusses some of his early work in developing vitrification techniques to render hazardous wastes, such as incinerator residues, inert. He…

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Video of the week – Del Day on treating cancer with glass microspheres

By / August 19, 2009

Del Day, the Curators’ Professor Emeritus of Missouri University of Science and Technology, discusses his work in the field of bioglass. Day, a former president of ACerS, has spent several decades researching bioceramic and bioglass materials, and developing applications for those materials. He is best known for his work in creating glass microspheres that can…

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Multifunctional material aids brain imaging

By / August 17, 2009

Engineers are getting craftier and craftier about making one material that is capable of more than one function, especially in the realm of nanomaterials. It can be a little difficult to exactly understand what this is all about, but the basic idea is that if you are going to all the trouble to try to…

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Electrochemical technique improves hydroxyapatite coatings on implants

By / July 16, 2009

Speaking of hydroxyapatite, there apparently is a new process for coating metal implants that could improve the outcomes of total joint replacement surgeries. Researchers at Tel Aviv University say their new electrochemical method improves upon current implant choices by enhancing an implants’ functionality, longevity and integration. Hydroxyapatite is a great coating – one that nicely…

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New tissue scaffold tested

By / July 15, 2009

In a paper published in the free, online Journal of Biomedical Science, Chinese researchers Jiang Liuyun, Li Yubao and Xiong Chengdong report positive results from the use of a novel biodegradable composite tissue scaffold made of nano-hydroxyapatite and natural derived polymers of chitosan and carboxymethyl cellulose. They say the scaffold is formed through the ionic…

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Recent industry headlines

By / July 8, 2009

RUSNANO to produce abrasive resistant parts using nanostructured ceramic and metal-ceramic materials The Supervisory Council has approved RUSNANO participation in setting up the production of abrasive resistant parts using nano-structured ceramic and metal-ceramic materials. The project was initiated by Virial LLC, one of the Russian market leaders in abrasive resistant ceramic and metal ceramic parts…

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Video of the week – S.K. Sundaram on the use of non-contact methods, such as FTIR, to measure materials properties

By / July 8, 2009

S.K. Sundaram is chief materials scientist at the Pacific Northwest National Lab. In this short video, he discusses several non-contact methods of taking materials measurements. In particular, Sundaram describes the lab’s use of fourier transformed infrared spectroscopy as a rapid screen tool for nanomaterials, such as that being done by PNNL to measure the effect…

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Chemical nose developed to sniff out cancer

By / June 25, 2009

According to a press release, researchers at the University of Massachusetts, Amherst have developed a “chemical nose” that can sniff out cancer. It’s a tool that could revolutionize cancer detection and treatment, according to chemist Vincent Rotello and cancer specialist Joseph Jerry. An article describing the chemical nose method of cancer detection appears in the…

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