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Tag: "measuring" at medical news

Soft Contacts Designed for Cone-Shaped Cornea

...ens. The scientists designed the front profiles by measuring with wavefront sensors exactly how light enters the subjects' eyes through the misshapen cornea. In collaboration with Bausch & Lomb, an oscillating tool lathe sculpted the front surface of the lens. Keeping the lenses exactly in place is still a c...

New Electro-chemical Biosensor to Check Food Contamination

...ct with the antibodies into electrical signals. By measuring these electric signals the device can determine the concentration of contaminants in the sample. The sensor will allow the detection of doses of atrazine at levels of 0.006 micrograms per litre, much lower than the maximum concentrations allowed by...

'Muscle Noise' may Diagnose Neuromuscular Disease Sans Radiation Exposure

...pps Institute of Oceanography researchers works by measuring muscle noise to reveal a patients condition. Karim Sabra and colleagues at the institute placed 16 sensors, each 1.5 centimetres apart, along the thigh of a healthy male volunteer while attaching increasing loads to his ankle. This enabled them to ...

Trauma Exposure can Affect Brain Function Several Years After Event

... brains of healthy individuals was demonstrated by measuring adults reactions to emotional stimuli several years after witnessing a trauma, said lead author Barbara Ganzel, PhD, and colleagues. In the experiment, 22 healthy adults viewed fearful and calm faces while undergoing functional magnetic resonance ima...

Astronauts can Now Feed on 'radiation-eating' Fungi

...into melanin's ability to capture radiation. By measuring the electron spin resonance signal after melanin was exposed to ionizing radiation, they showed that radiation interacts with melanin to alter its electron structure. This is an essential step for capturing radiation and converting it into a differen...

Better Working Conditions for Nurses Might Decrease Patient Infections

...ss was controlled for in this study. The results measuring the effects of organization climate and hospital profitability were not consistent. Magnet status and wages also were not significant predictors for poor patient outcomes....

Appetite-regulating Peptides Influence Alcohol Cravings

...s, and 117 provided ghrelin serum levels. After measuring craving through the Obsessive Compulsive Drinking Scale, the study authors classified patients in accordance with Leschs typology of alcohol dependence, as well as their preferred type of alcoholic beverage. "The study showed that the involvement ...

New Insights into Chronic Inflammation and Atherosclerosis

...the aortic wall. This was achieved by counting and measuring the mononuclear cell infiltrates (MCI) in the aorta, with particular attention to the adventitia, the deepest layer of vascular tissue. Using statistical analysis, the relationship between these inflammatory infiltrates and established lifestyle risk...

Loss of Virginity Could Prove Traumatic If Relationship Falls Apart Subsequently

...nth- through 12th-graders over an 18-month period, measuring for depression and low self-esteem. Meier compared the mental health of teens who didn't have sex to teens who were virgins at the beginning of the study, but who lost their virginity during the 18-month period. She found that while the majority of...

Both Alcohol and Neighborhood Characteristics can Affect Intimate Partner Violence

...ther factors from both partners in the couple, and measuring the density of alcohol outlets in their neighborhoods as well as other neighborhood characteristics. "Up until about 25 years ago," said Fals-Stewart, "IPV was a private family matter. However, with increased awareness of IPV and how common it is, ...

Attitude Determines How Much Exercise is too Much

...f time looking at yourself, scrutinising yourself, measuring yourself and constantly working out to create the muscle mass or lean body that you want," Dr. Fassihi says. She further said that many persons with exercise disorders restrict their calories, based on the mistaken belief that they will build a hig...

Aerobic Exercise Helps Maintain Muscle in Elderly: Research

...own rates from the blood and muscle samples, while measuring blood flow at the same time. These revealed that the volunteers who exercised had both higher blood flow and net muscle protein growth. In addition, the researchers screened the muscle biopsy samples for signals associated with insulin's ability to s...

Panacea Announces the Availability of PC Detect(sm) for Prostate Cancer Screening

...rding further diagnostic testing and management by measuring blood levels of Human Aspartyl (Asparaginyl) beta-Hydroxylase (HAAH), a cancer biomarker. HAAH has been established as an excellent biomarker for many types of cancer, including prostate cancer. The protein is typically undetectable in sera from canc...

Astrazeneca's Investigational Cancer Therapies Revealed at ASCO

...ing full evaluation of the optimal methodology for measuring Src activation prior measuring its inhibition by AZD0530. By collecting as much information early on in our clinical trials we gi...

PET/CT: The Best Test for Women With Ovarian Cancer

... cancerous areas. PET scans show where FDG is by measuring the high-energy photons emitted by the drug and produce three- dimensional images of those substances functioning within the body. PET scanning provides information about the body's chemistry, metabolic activity and body function, while CT supplies a...

A Pratical Tool to Detect Bone Mass Deficiencies in Children With Chronic Diseases

...dardized protocols were not used for including and measuring patients, Dr. Kalkwarf noted. As well, the collection and analysis of previous data were inconsistent and did not factor in variables for age, sex and race -- all important reference points in evaluating the bone health of children. "Before this da...

Cord Blood Yields Better Results Than Bone Marrow Transplant for Cancer Patients

...ord blood was as good as matched bone marrow after measuring leukemia-free survival rates, implying that the mismatch was in a limited degree and the amount of cord blood cells that existed were adequate. The study also found that participants who got matched cord blood had higher survival rate than matched ...

Stress- Harms Now And Later

...e they were to worry and depression. "What we're measuring is a personality trait that we all have to greater or lesser degree. We all experience anxiety and periodic depression. This trait helps identify people for whom that is more characteristic than others," says Wilson, whose study is published in the j...

Scientists Developing 'intelligent Clothes' to Monitor Wearer's Health

...the first version will be able to monitor sweat by measuring acidity, salinity and perspiration rate. However, it is hoped the technology will eventually be able to monitor the body's vital signs, assess the progress of wound healing, and spot illnesses and infections at a very early stage by pinpointing abn...

New Blood Test to Diagnose Parkinson Disease

...o diagnose Parkinson disease. This test is done by measuring the proteins //in blood much before the symptoms arrive. The test is done by a team of Howard Florey Institute, Mental Health Research Institute and Melbourne University specialists. They have also created a genetic test for PD which has a broader ...

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