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NC State finds new nanomaterial could be breakthrough for implantable medical devices
November 11, 2008A team of researchers led by North Carolina State University has made a breakthrough that could lead to new dialysis devices and a host of other revolutionary medical implants. The researchers have found that the unique properties of a new material can be used to create new devices that can be implanted into the human body - including blood glucose sensors for diabetics and artificial hemo-dialysis membranes that can scrub impurities from the blood.
Researchers have long sought to develop medical devices that could be implanted into patients for a variety of purposes, such as monitoring glucose levels in diabetic patients. However, existing materials present significant problems. For example, devices need to be made of a material that prevents the body's proteins from building up on sensors and preventing them from working properly. And any implanted device also needs to avoid provoking an inflammatory response from the body that would result in the body's walling off the device or rejecting it completely.
Now a new study finds that nanoporous ceramic membranes may be used to resolve these issues. Dr. Roger Narayan - an associate professor in the joint biomedical engineering department of NC State and the University of North Carolina at Chapel Hill - led the research and says the nanoporous membranes could be used to "create an interface between human tissues and medical devices that is free of protein buildup."
The new research, published in a special issue of Biomedical Materials, is the first in-depth study of the biological and physical properties of the membranes. The study suggests that the human body will not reject the nanoporous ceramic membrane. Narayan adds that this could be a major advance for the development of kidney dialysis membranes and other medical devices whose development has been stalled by poor compatibility with human tissues. Narayan was also the lead researcher on the team that first developed these new materials.
North Carolina State University
The new research, published in a special issue of Biomedical Materials, is the first in-depth study of the biological and physical properties of the membranes. The study suggests that the human body will not reject the nanoporous ceramic membrane. Narayan adds that this could be a major advance for the development of kidney dialysis membranes and other medical devices whose development has been stalled by poor compatibility with human tissues. Narayan was also the lead researcher on the team that first developed these new materials.
North Carolina State University
Medical Devices Current Events and Medical Devices News RSSGreater certainty in monitoring 3 therapeutic medications is facilitated by new CRMs
To help bring greater certainty to the measurement of medication levels in a patient's bloodstream for three drugs with narrow therapeutic ranges, the U.S. Pharmacopeial Convention (USP) is releasing new certified reference materials (CRMs).
URI research couple's method targets cancerous tumors
Two University of Rhode Island associate professors, biophysicists Yana Reshetnyak and Oleg Andreev, have discovered a technology that can detect cancerous tumors and deliver treatment to them without the harming the healthy cells surrounding them, thereby significantly reducing side effects.
Cost Effectiveness of Blood Pressure Device Evaluated
A study conducted by the University of Rochester Medical Center (URMC) demonstrates that, for certain patient populations, an experimental device that lowers blood pressure may be a cost effective treatment. The implantable device, called Rheos, is in advanced stages of testing for individuals with drug resistant hypertension.
New data: Hospital imaging centers poised to pull back, hitting patients hardest in rural areas
Survivors and patients with cancers and heart disease, along with patient advocate organizations and physicians, today urged policymakers to enhance early diagnosis of deadly diseases by preserving access to advanced imaging, such as MRI and CT scans, in final health care reform legislation.
GTRI is developing protocols for testing effects of RFID systems on medical devices
Radio frequency identification (RFID) systems are widely used for applications that include inventory management, package tracking, toll collection, passport identification and airport luggage security. More recently, these systems have found their way into medical environments to track patients, equipment assets and staff members.
Nanotech Research Featured in Nature Nanotechnology Journal
Using an RNA-powered nanomotor, University of Cincinnati (UC) biomedical engineering researchers have successfully developed an artificial pore able to transmit nanoscale material through a membrane.
Diamonds are a laser's best friend
Tomorrow's lasers may come with a bit of bling, thanks to a new technology that uses man-made diamonds to enhance the power and capabilities of lasers.
Artificial intelligence helps diagnose cardiac infections
Mayo Clinic researchers say that "teachable software" designed to mimic the human brain may help them diagnose cardiac infections without an invasive exam.
Measuring the next successful antennas for in-body health monitoring devices
Antennas for the latest implanted medical devices are being developed by Queen Mary University of London and tested through a unique piece of kit at the UK's National Physical Laboratory (NPL).
New NIH Funding to Support UAB Total Joint Replacement Research Collaboration
Newly announced National Institutes of Health (NIH) funding will expand the reach of ongoing University of Alabama at Birmingham (UAB) research into a unique nanostructured coating to improve the performance and longevity of total joint replacement components.
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