Tag: "artificial" at medical news

Humans can regrow liver from bone marrow

... discovery has implications for organ transplants, artificial livers, gene therapy and more, explained Theise, w...acture and chemical detoxification, bile-producing artificial livers need a living component to replace the damaged organ completely. "Liver cells, ironically, ar...

The bone marrow is the source of mature liver cells

...ants, as a pool of cells for the development of an artificial liver, and in gene therapy to treat many liver diseases," he says. Stem cells were long thought to be limited to organs that supply fresh sources of new cells throughout life, such as blood cells from the bone marrow and skin cells from skin. An...

Breast reconstruction during mastectomy boosts well-being most, study finds

...operation called TRAM reconstruction. The rest had artificial tissue expanders or implants filled with saline or silicone. Two thirds, or 161 patients, had reconstruction during mastectomy surgery. The two hour-long take-home surveys evaluated the women's emotional well-being, vitality, general mental health, s...

Other highlights in the October 15 issue of JNCI

...es of life; and use one or more times per month of artificial tanning lights. The authors also note that the strongest effects of UV exposure on melanoma risk appear to be during adolescence and early adulthood. Low White Cell Counts May Affect Breast Cancer Outcomes Among African American Women African Ame...

New technique uses imaging technology to speed drug discovery

...dditional applications, such as the development of artificial receptors and catalysts. The new process has been patented by Purdue, and the new DRED beads will soon become commercially available....

Dual sensor could provide more information, earlier warning for diabetics

...r detects excess glucose while the pump acts as an artificial pancreas - the organ that produces insulin in the body. Another device known as an insulin detector estimates the amount of the hormone in the blood. Combining two types of sensors in such a small device was a complicated task, Wang said. Glucose is ...

New procedure makes kidney transplant an option for thousands on waiting list

...ld ever get a transplant." Dialysis works like an artificial kidney. It prolongs life but it is not ideal. Three times a week for four hours at a stretch, patients hook up to a machine that removes waste fluids and regulates the bodys chemical and blood balances. Physicians arent certain what causes patients ...

Cincinnati chemist wins national award for medical contributions

...is diverse contributions toward the development of artificial blood, liquid ventilation, new burn treatments and other medical products. He received the 2001 Award for Creative Work in Fluorine Chemistry from the American Chemical Society during its Winter Fluorine Conference in St. Petersburg Beach, Fla. The...

Pasadena chemist wins national award for new materials research

...or his innovative approach to making materials for artificial blood vessels and other applications. He will rece...n composition." Design is the first step in making artificial proteins with which to form replacement blood vessels, for example, according to Tirrell. Surgeons n...

New materials could mean longer lasting artificial hips

...o replace damaged and deteriorating hips. But even artificial hip implants slowly deteriorate and eventually can... reported on progress in developing longer-lasting artificial hip joints here today at the 221st national meeting of the American Chemical Society, the world's la...

Engineers use computer simulation to design synthetic blood vessels

...ich the patient's blood is removed, purified in an artificial kidney and then returned to the body. The conventi...the design. Unfortunately, the geometry of these artificial blood vessels is highly complex, making manufacturing difficult. To produce them, manufacturers woul...

Reversing DNA damage caused by the sun before it becomes skin cancer may be possible

SAN DIEGO, April 5 -Scientists have synthesized an artificial enzyme they believe can repair sun-damaged DNA, th...ter-the-fact sunscreen or other product. The artificial enzyme the researchers created is patterned after an enzyme produced by the E. coli bacterium discov...

Landmark dialysis study findings could greatly simplify treatment of kidney disease with peritoneal dialysis

...e arm or leg. The blood is then pumped through an artificial kidney machine containing a filtering system calle...ith the introduction of the first widely available artificial kidney machine. Nearly 20 years later, Baxter was one of the first companies to introduce PD....

Clay reduces permeability of biomedical polymer

...ed in cosmetics and food supplements may help make artificial heart device polymer parts less permeable to air a...earchers. "The polymers used for various parts of artificial heart devices are somewhat permeable to air and water," says Dr. James Runt, professor of polymer sc...

New sensor upgrades artificial bomb sniffers

...osable plastic sensor to enhance efficiency of the artificial nose, a high-tech sniffing device they hope will i...st a dozen labs are working to develop a practical artificial nose technology, but acceptable accuracy still remains an elusive goal. Now about the size of a desk...

Neuroscientists searching for roots of empathy find brain regions involved in learning by imitation

...ypical child development, educational practice and artificial intelligence. In child development, reading others goals or intentions from their actions is necessary for human interaction. If you are just literal, you will not have deep understanding of other people, said Meltzoff. It is also important to know...

Tanning lamps may increase risks of skin cancers

...ool (DMS) researchers. "The growing popularity of artificial tanning (for non medical reasons) among adolescents and young adults is cause for concern," says first author Margaret R. Karagas, PhD, a DMS epidemiologist who is associate professor of community and family medicine and associate director of the Cen...

Tanning devices may contribute to incidence of common skin cancers

The use of artificial tanning devices such as tanning lamps and tanning beds may contribute to the incidence of two common types of skin cancer, basal cell carcinoma and squamous cell carcinoma, conclude Margaret R. Karagas, Ph.D., of Dartmouth Medical School and colleagu...

Computer-assisted detection of proteomic pattern could help screening for ovarian cancer

...housands of proteins at once. A new computer-based artificial intelligence algorithm was used to identify the key diagnostic pattern. Initial assessment of 50 women with known ovarian cancer and 50 women without disease enabled the creation of distinct proteomic patterns that distinguished cancer from non-canc...

UM researchers use 'artificial intelligence' for first time to diagnose colon tumors

...This study helps to establish a new method, called artificial neural networks (ANNs), that can be used in a wide variety of disease settings, not just in cancer," he says. "These networks mimic the human brain, in that they can be trained to recognize specific disease lesions or subtle differences within diseas...

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