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Super-fine Sound Beam Could One Day Be an Invisible Scalpel

Published: December 20, 2012.
Released by University of Michigan  

ANN ARBOR—A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. The University of Michigan engineering researchers who developed the new therapeutic ultrasound approach say it could lead to an invisible knife for noninvasive surgery.


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More news from University of Michigan


medicine
Trust Your Gut: E. Coli May Hold One of the Keys to Treating Parkinson's
ANN ARBOR--E. coli usually brings to mind food poisoning and beach closures, but researchers recently discovered a protein in E. coli that inhibits the accumulation of potentially toxic amyloids--a hallmark of diseases such as Parkinson's.

psychology
Is Cheating on the Field Worse Than Cheating on a Spouse? Some Fans Think So
ANN ARBOR--Why did fans and sponsors such as Nike drop Lance Armstrong but stay loyal to Tiger Woods? Probably because Armstrong's doping scandal took place on the field, unlike Wood's off-the-field extramarital affairs, according to new studies.

medicine
Bed Nets And Vaccines: Some Combinations May Worsen Malaria
ANN ARBOR--Combining insecticide-treated bed nets with vaccines and other control measures may provide the best chance at eliminating malaria, which killed nearly 600,000 people worldwide in 2013, most of them African children. More than 20 malaria vaccine candidates are in different stages of development, but none are licensed for use. So no one knows for sure what will happen when vaccines and bed nets are used together.

medicine
Researchers Uncover More Clues to How Drug Reverses Obesity, Diabetes, Fatty Liver Disease
ANN ARBOR--Researchers at the University of Michigan have identified how a promising drug in clinical trials for the treatment of obesity and related metabolic disorders improves the metabolism of sugar by generating a new signal between fat cells and the liver. In addition to illuminating how the drug, amlexanox, reverses obesity, diabetes and fatty liver disease, the findings suggest a new pathway for future treatments. The research was published Jan.12 in Nature Communications.

medicine
New Concussion Laws Result in Big Jump in Concussion Treatment
ANN ARBOR--New laws regulating concussion treatment, bolstered by heightened public awareness, have resulted in a large increase in the treatment of concussion-related injuries for school-age athletes. Over the past decade, concerns over concussion injuries and media coverage of them have skyrocketed. Since 2009, all 50 states and the District of Columbia have enacted concussion laws regulating concussion treatment--the first laws written to address a specific injury.

medicine
Tailor-made Cancer Treatments? New Cell Culture Technique Paves the Way
ANN ARBOR--In a development that could lead to a deeper understanding of cancer and better early-stage treatment of the disease, University of Michigan researchers have devised a reliable way to grow a certain type of cancer cells from patients outside the body for study. The new technique is more than three times as effective as previous methods.

psychology
Expectant Fathers Experience Prenatal Hormone Changes
ANN ARBOR--Impending fatherhood can lower two hormones--testosterone and estradiol--for men, even before their babies are born, a new University of Michigan study found.

medicine
Use of Alcohol, Cigarettes, Number of Illicit Drugs Declines among US Teens
ANN ARBOR--A national survey of students in U.S. middle schools and high schools shows some important improvements in levels of substance use. Both alcohol and cigarette use in 2014 are at their lowest points since the study began in 1975. Use of a number of illicit drugs also show declines this year.

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