Scientists at The University of Manchester have discovered a new class of materials which have previously only existed in science fiction films and books.
A team of British and Russian scientists led by Professor Geim have discovered a whole family of previously unknown materials, which are one atom thick and exhibit properties which scientists had never thought possible.
Not only are they ultra-thin, but depending on circumstances they can also be ultra-strong, highl
Ames Lab Researchers Modify Old Technique to Make 3-D Multilayered Structures
Achieving a first in the world of novel optical materials, researchers at the U. S. Department of Energy’s Ames Laboratory are making 3-D photonic band gap crystals four millimeters square (approximately one-eighth of an inch square) and 12 layers high without benefit of a “clean room” environment or the multimillion dollar equipment traditionally required to create such structures. The fundamental res
A startling discovery about the properties of human bone has been made by scientists at the University of California, Santa Barbara.
The scientists describe their results –– finding a sort of “glue” in human bone –– in the cover story of the August issue of the international scientific journal, Nature Materials. The article was published on-line on July 17. It describes how healthy bone resists fracture and how unhealthy bone fractures at the molecular level. Included with the ar
Scientists have shown for the first time that carbon nanotubes make an ideal scaffold for the growth of bone tissue. The new technique could change the way doctors treat broken bones, allowing them to simply inject a solution of nanotubes into a fracture to promote healing.
The report appears in the June 14 issue of the American Chemical Society’s journal Chemistry of Materials. ACS is the world’s largest scientific society.
The success of a bone graft de
There is no doubt that steel is one of the materials that has largely contributed to the technological and economical development of the twentieth century. Its mechanical and magnetic properties are determined by its chemical composition and the microstructure obtained in its manufacturing process. Traditionally, it has been necessary to mechanically destroy the material in order to analyze its microstructure by means of a microscope, i.e. to get a small sample, to polish it and to attack it wit
A team of chemists at Penn State has developed a new type of ultrathin film, which has unusual properties that could improve the fabrication of increasingly smaller and more intricate electronic and sensing devices. The material, a single layer made from spherical cages of carbon atoms, could enable more precise patterning of such devices with a wider range of molecular components than now is possible with conventional self-assembled monolayers. The research is published in the current issue of
The emergence of acupuncture is allowing some patients to relieve or significantly reduce dry mouth’s debilitating effects, according to a report in the May/June 2005 issue of General Dentistry, the Academy of General Dentistry’s (AGD) clinical, peer-reviewed journal.
Dry mouth (also known as xerostomia) is a painful condition caused by a decrease in the amount of saliva in the mouth when salivary glands do not work properly. Saliva is a natural defense for teeth and p
Materials scientists at Rutgers, The State University of New Jersey, have devised a novel and easy technique to make thin, crystal-like materials for electronic devices. The technique could supplement today’s tedious and exacting method of growing crystals with an additional benefit of producing materials in sizes and shapes not now possible.
In a recent issue of the American Chemical Society journal Langmuir, Rutgers scientists and collaborators from Ceramare Corporation a
In this month’s issue of the freely available online journal PLoS Medicine, Dr. Thomas N. Williams and colleagues from Kilifi, Kenya, show that the protection against malaria given by carrying the gene for sickle cell haemoglobin may involve the immune system. Studying a group of children and adults in the Kilifi District of coastal Kenya, they found that this protection increased during childhood up to age 10, and then declined.
Malaria causes about a million deaths yearly,
This may have hi-tech applications, report UCSB scientists
The simple marine sponge is inspiring cutting-edge research in the design of new materials at the University of California, Santa Barbara.
A report about these exciting new results involving the use of gold nanoparticles is the cover story of the current issue of the scientific journal, Advanced Materials. The article is written by Daniel E. Morse, professor of molecular, cellular and developmental biology at U
Based on a recent study, work fatigue, working overtime, job demands and dissatisfaction in combining paid work and family life are associated with weight gain.
A recently published study is part of the ongoing Helsinki Health Study, carried out at the University of Helsinki, Department of Public Health. The study population consisted of 7000 women and 2000 men, aged 40-60y. All participants are employees of the City of Helsinki, therefore, it was possible to examine the associat
Researchers from Harvard Medical School and the Harvard School of Public Health have examined the effect of eating nuts on cardiovascular health, reports the Harvard Men’s Health Watch. “Their work shows that nuts really are healthy, especially for men at risk for heart disease,” says Dr. Harvey B. Simon, editor.
Studies show that healthy men, and those who have already suffered a heart attack, can reduce cardiovascular risk by eating nuts regularly, reports the Harvard Men&
New coating becomes water repellant when wet; applications include medical diagnostic equipment
Virginia Commonwealth University chemical engineering team has developed a novel material that becomes water repellent when wet, setting the stage for advances in engineering, medicine and diagnostics.
In the April 26, 2005, issue of the journal Langmuir, a publication of the American Chemical Society, Kenneth J. Wynne, Ph.D., a professor in the VCU School of Engineering’
American Journal of Cardiology to publish study on May 2
The American Journal of Cardiology reports in its May 2, 2005, issue that the Transcendental Meditation technique, a non-drug stress-reduction method, reduces death rates by 23% and extends lifespan.
The first-of-its-kind, long-term, randomized trial evaluated 202 men and women, average age 71, who had mildly elevated blood pressure. Subjects in the study participated in the Transcendental Meditation program; beha
The Cidetec Technological Centre continues to invest in nanotechnology development with its participation in the European NAPA (Emerging Nanopatterning Methods) project. The research institution is directing a working subgroup to develop new thermoplastic polymers for applications in nanopatterning and nanolithography.
The main objective of the European NAPA integrated project is to provide low-cost processes and tools that meet the needs of nanoprinting processes and required for
Many potential applications
Picture a flower that opens when facing the sunlight. In work that mimics that sensitivity to light, an MIT engineer and German colleagues have created the first plastics that can be deformed and temporarily fixed in a second, new shape by illumination with light having certain wavelengths. These programmed materials will only switch back to their original shape when exposed to light of specific different wavelengths.
The work, to be reported
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