Lab engineers develop microelectronics for artificial retina project
... metals for electronics and electrodes to PDMS for implant devices. "It's our important contribution to this...must be robust enough to withstand damage from the implant procedure and be biocompatible -- able to withstand the physiological conditions in the eye. Another...Secretary Abraham announces next steps for artificial retina project
...will greatly expedite the development of a retinal implant for the blind," Humayun said. DOE's effort is focused on developing high-grade microelectrodes and testing their long term biological effects, developing electrode and platform materials that are pliable and will last a lifetime within the eye, const...Miniature implantable sensor likely lifesaver for patients
...ociated electronics, which will enable surgeons to implant the sensor in the precise area of interest, either as a subdermal or deep-tissue implant. Ericson envisions the sensor remaining in the body, which would avoid additional surgery; however, that is an area that may require additional evaluation. Other...A new twist on an age-old problem: Making knee replacements last
...use is becoming a cause for concern. "We want knee implant recipients to be able to resume their favorite act... One problem is the current technology to test new implant designs is ineffective, Fregly said. Simulators designed to highlight the places artificial knees wi...6th Annual Symposium on Biomaterial Science
...s and clinicians working in biomaterials research, implant science, tissue engineering and drug delivery New Jersey academic leaders from the University of Medicine and Dentistry, Rutgers and New Jersey Institute of Technology Stanley S. Bergen, Jr., president emeritus of UMDNJ Stephen A. Livesey, executi...Ambitious plan to give sight to the blind
...d from the retina to the brain. USC personnel will implant the devices and test their medical effectiveness. Second Sight, located in Santa Clarita, Calif., will commercially produce the finished system. North Carolina State University in Raleigh leads the development of the in-situ medical electronics. Says...University of Florida engineers probe 'shape memory' alloy for better prostheses
...ep blood vessels from clogging, surgeons sometimes implant compressed stents that expand to the right size and shape when warmed by body heat. The tiny stents get their so-called "shape memory" from an unusual alloy called nitinol, which exhibits one shape when cool, but forms another when heated. This prope...MIT technique could improve cartilage repair
...n of cartilage cells, with the goal of creating an implant that may be used to repair cartilage defects," sai...remain, however. For example, at what point do you implant a growing scaffold into the body, and let the joint motion in an animal or human carry development t...PGD could save women from the agony of repeated miscarriages
...ause of miscarriage and that embryos which fail to implant successfully during IVF and ICSI often have these abnormalities as well. We wondered whether chromosomal abnormalities, produced while the male or female sex cells are being formed, or during the early development of the embryo, might be an importan...MIT probes cartilage on nanoscale
... important polymers, drug particles, bone and bone implant materials, and interactions between membrane proteins and foreign bodies. Ortiz's MIT coauthors on the paper are Alan Grodzinsky, a professor with a dual appointment in the Biological Engineering Division and the Department of Electrical Engineering ...Statement by the Ethics Advisory Board of Advanced Cell Technology, Inc.
...14 days of development and prohibit any attempt to implant an embryo resulting from nuclear transplantation i... but that would effectively prevent any attempt to implant an embryo resulting from nuclear transplantation into a uterus or the functional equivalent of a ute...Implant may stabilize schizophrenia patients' treatment
...arises that necessitates curtailing treatment, the implant can be easily removed." The delivery device consists of a surgically-implantable disc made of biodegradable polymers (a series of linked molecules) combined with medication. In the trials, a traditional anti-psychotic medicine, Haloperidol, was used...The role of phytochromes in bacteria revealed
...um is developing. The Bradyrhizobium bacterium can implant itself along stems under a layer of chlorophyllous cells which let through only infrared wavelengths Thus, the phytochrome enables the bacterium to install its photosynthetic apparatus. That will then supply part of its energy requirement for maintai...Smart suture is first application of novel MIT polymer
...te Lendlein and Langer. For example, "how does one implant a bulky device or knot a suture in a confined space?" Some materials can be "taught" to have one shape at one temperature (or under one stress) and another shape at a second temperature. Much work, for example, has focused on "shape-memory" metallic ......ian has to carry out dozens of injections and then implant the resulting embryos. An alternative is to start with ordinary cells and then try to clone the few that integrate the extra DNA. But this isn't very efficient either. Tosk's method cuts out this tedious manipulation, New Scientist has learned. The...Office of Naval Research awards $8.4M to young investigators
...ill have the potential for intellectual prostheses implant of the hippocampus. Dr. Peter J. Burke, Electrical and Computer Engineering, University of California, Irvine will explore dynamical processes in nanostructure electronic devices at terahertz frequencies, particularly the noise properties. The resea...Inventor of artificial hand sees 'bionic' replacement parts becoming more human
...ng easier." As an example, he described a wireless implant the size of a grain of rice developed at UCLA by a team led by Dr. Gerald Loeb. This can be injected under the skin to provide independent communication between nerves and bionic devices. Craelius said while it may require more than 1,000 connectio...Next-generation biomaterials to help body heal itself
...down regulated. "In the future we may only need to implant the carefully calculated chemical ingredients of t...of tissues and using minimally invasive surgery to implant them, this technique could have a major clinical application." "Perhaps of even more importance is t...UFS Mcknight Brain Institute researchers: Pioneering spinal cord procedure appears safe
...ma that it is both feasible and apparently safe to implant human embryonic tissue in people with spinal cord injuries. The findings could help lay the groundwork for future efforts to treat spinal cord injury with other types of cell transplants. In their first peer-reviewed analysis of a small pilot study ...Study: nitric oxide-releasing materials might reduce medical implant infections
...d thus would only have an effect on areas near the implant site where it is needed most....