To make a good framework for filling in missing bone, mix at least 30 percent pulverized natural bone with some special man-made plastic and create the needed shape with a 3-D printer. That is the recipe for success reported by researchers at The Johns Hopkins University in ACS Biomaterials Science & Engineering.
International researchers led by the University of Bath have demonstrated a cheap, effective and environmentally-friendly way to sterilize medical implants without changing their properties, in contrast to some techniques.
It is still unclear what the impact is on humans, animals and plants of synthetic nanomaterials released into the environment or used in products. It is very difficult to detect these nanomaterials in the environment since the concentrations are so low and the particles so small.
Researchers have developed the world's tiniest engine - just a few billionths of a metre in size - which uses light to power itself. The nanoscale engine, developed by researchers at the University of Cambridge, could form the basis of future nano-machines that can navigate in water, sense the environment around them, or even enter living cells to fight disease.
Researchers at MIT and Brigham and Women's Hospital have developed nanoparticles that can deliver antiobesity drugs directly to fat tissue. Overweight mice treated with these nanoparticles lost 10 percent of their body weight over 25 days, without showing any negative side effects.
The fabrication of a prototype tissue having functional properties close to the natural ones is crucial for effective transplantation. Tissue engineering scaffolds are typically used as supports which allow cells to form tissue-like structures essentially required for the correct functioning of the cells under the conditions close to the three-dimensional tissue.
Insulin deficiency and hyperglycemia are two well-known culprits behind diabetes, both of which are reflected in blood glucose concentrations. Now, researchers are working to create ultrasensitive lab-on-a-chip devices to quickly measure glucose concentrations with the goal of developing device for early diagnosis and prevent of diabetes.
A microscope about the size of a penny is giving scientists a new window into the everyday activity of cells within the spinal cord. The innovative technology revealed that astrocytes--cells in the nervous system that do not conduct electrical signals and were traditionally viewed as merely supportive--unexpectedly react to intense sensation.
Researchers from the University of Washington's Department of Mechanical Engineering, in collaboration with partners from Gillette Children's Specialty Healthcare, have developed a new quantitative assessment of motor control in children with cerebral palsy called Walk-DMC, which could help predict which patients are -- or are not -- likely to benefit from such aggressive treatment.
Researchers at University of Montreal have created a programmable DNA thermometer that is 20,000x smaller than a human hair. This scientific advance reported this week in the journal Nano Letters may significantly aid our understanding of natural and human designed nanotechnologies by enabling to measure temperature at the nanoscale.
SIRKA: this acronym stands for "sensor suit for individual feedback of physical activity". In a joint project, the DFKI is developing a suit designed to prevent problems with poor posture. Inertial sensors are integrated into a work overall. Physiotherapists are also meant to benefit from the results.
The trend towards miniaturization is progressing in medical technology. This in turn also means that electronics must be adapted to size relations, for example of implants. Smaller structures and components are in demand as never before. Thus, the demands on the technology and production simultaneously grow.