Brightsurf Science News & Current Events

March 25, 2007
Sustainability of energy, food and water theme of ACS national meeting
Sustainability of energy, food and water is the featured theme of the 233rd national meeting of the American Chemical Society, March 25-29 in Chicago.

Study examines treatment of blockages in patients suffering severe heart attacks
Severe heart attacks are often treated with nonsurgical procedures that open narrowed or blocked arteries of the heart using stents (percutaneous coronary intervention, or PCI).

Marbles tower shows conflict between oil and water
How do oil and water really respond to each other?

iPods help docs improve stethoscope skills
The ability of physicians to recognize abnormal heart sounds is only fair at best.

Study shows fruit juice/drink link to children's weight gain
Australian schoolchildren who drink fruit juices and fruit drinks are more likely to be overweight or obese than those who don't, Deakin researchers have found.

Office of Naval Research launches Science and Technology Strategic Plan
New Naval science and technology strategic plan will shape the Navy and Marine Corps of the future.

'Dipstick' test could reduce risk of food poisoning by rapidly detecting spoilage
Chemists at the University of South Carolina are developing a consumer test kit that people can use to quickly and accurately determine if food products are spoiled or safe to eat.

Is there a role for serial outpatient drug infusions in advanced heart failure?
For patients with severe chronic heart failure, known as stage D or chronic decompensated heart failure (CDHF), hospitalization is frequent and treatment options are limited.

New devices offer patients safer, more effective therapies
Advances in catheter-based therapies continue to expand non-surgical treatment options for patients with a wide range of cardiovascular conditions, according to research presented today at the American College of Cardiology's Innovation in Intervention: i2 Summit 2007 in New Orleans, La.

Hospitalized heart failure patients may benefit from oral tolvaptan
A diagnosis of worsening acute decompensated heart failure (ADHF) is characterized by the development of dyspnea (shortness of breath) associated with the rapid accumulation of fluid in the lungs.

Meat and two neutrons -- the key to a longer life
Eating meat enhanced with isotopes could add as much as 10 years to your life.

Blueberries contain chemical that may help prevent colon cancer
A compound in blueberries shows promise of preventing colon cancer in animals, according to a joint study by scientists at Rutgers University and the US Department of Agriculture.

Fresh approach to diet and medication improves recovery after heart attack
After a heart attack, cardiovascular health and even survival can be improved by intensive dietary therapy and early dosing with a medication that blocks the harmful hormonal effects in the heart, according to research presented today at the American College of Cardiology's 56th annual Scientific Session in New Orleans.

UBC researchers find new superbug weapon for near-empty antibiotics arsenal
Imagine the desperation of trying to fight lethal infections when antibiotics fail to work.

Studies put proven medications to new uses
Common cardiovascular medications are finding uncommon uses, in some cases preventing heart disease even in low-risk patients and in other cases, protecting critically ill patients facing high-risk angioplasty and stenting procedures, according to research presented today at the American College of Cardiology's 56th annual Scientific Session in New Orleans, La.

Mobile phones can soon survive being dropped
Dutch researcher Paulette Prins has demonstrated that plastic does not have to be a poorer conductor than present-day semi-conductors.

Statin therapy slows progression of arterial thickening; halts but does not reverse atherosclerosis
Among low-risk middle-aged people with subclinical atherosclerosis, the cholesterol-lowering drug rosuvastatin reduces the rate of progression of arterial thickening and stops but does not reverse atherosclerotic disease, according to a study in the March 28 issue of JAMA.

Lowering blood pressure improves diastolic dysfunction in hypertensive patients
Many patients with hypertension experience stiffening of the heart muscle resulting in difficulty of the heart filling, known as diastolic dysfunction.

Heart failure medication provides some symptom relief
A medication used to treat heart failure, tolvaptan, appears to improve some symptoms and signs of heart failure during hospitalization, but does not reduce the risk of re-hospitalization or death, according to two articles in the March 28 issue of JAMA.

Cancer-fighting foods, supplements explored in day-long symposium, March 25
Researchers worldwide are discovering a cornucopia of compounds in foods and dietary supplements, including black raspberries, blueberries and grape seed extract, that show promise for preventing cancer.

Organic is healthier: Kiwis prove that green is good
Scientists have proven that organically grown kiwifruit contain significantly increased levels of health-promoting polyphenols.

Molecular tools make the cut
Researchers in Japan have developed a pair of molecular-scale scissors that open and close in response to light.

When it comes to risk, not all nanomaterials are created equal
The size, type, and dispersion of nanomaterials could all play a role in how these materials impact human health and the environment, according to two groups of researchers at Rensselaer Polytechnic Institute.

New study shows benefits of quitting smoking
Giving up smoking can reduce the risk of dying from the disease by up to 70 percent, new research published in the American Journal of Epidemiology this week shows.

Too much of a good thing? Excess nutrients or water limit biodiversity
Too much of a good thing (nutrients or water) actually decreases the diversity of species in an ecosystem while it increases the productivity of a few species, according to a grassland experiment conducted by University of Minnesota researchers.

Brain fends off distractions
Dutch researcher Harm Veling has demonstrated that our brains fend off distractions.

New cholesterol-modifying agent tested to regulate tryglyceride and HDL levels
Today researchers at the American College of Cardiology's 56th annual Scientific Session reported results for a pair of studies designed to determine the safety and efficacy of a new, potent type of cholesterol treatment known as a peroxisome proliferator-activated receptor alpha agonist.

DNA layer reduces risk of reserve parts being rejected
Dutch researchers Jeroen van den Beucken and John Jansen have given body implants a DNA layer.

Targeting tumors the natural way
By mimicking Nature's way of distinguishing one type of cell from another, University of Wisconsin-Madison scientists now report they can more effectively seek out and kill cancer cells while sparing healthy ones.

First texts philosopher John Locke now available digitally
Within the framework of the Digital Locke Project a text critical edition has been made of the works of the British philosopher John Locke (1632-1704).

Innovative technologies promise new solutions to cardiology's challenges
Experimental technologies are providing innovative solutions to cardiology's clinical and research challenges, according to studies presented today at the American College of Cardiology's Innovation in Intervention: i2 Summit 2007.

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates
A study published today in the Journal of Antimicrobial Chemotherapy provides the best available evidence that cases of Clostridium difficile infection (CDI) -- one of the most common and increasing types of hospital-acquired infection -- can be reduced in hospital wards if doctors prescribe narrow-spectrum antibiotics rather than broad-spectrum agents.

First human trial tests stem-cell-based treatment for heart attacks
Previous research on the efficacy of stem cell therapy for heart repair has shown possible benefit from mesenchymal stem cells (MSCs) -- cells found in bone marrow that create connective tissue, bone and cartilage.

Ladybugs may be cute, but watch out when they get near wine
Ladybugs produce a foul-smelling liquid that can be inadvertently processed along with grapes and taint the aroma and flavor of wine.

Novel therapy for lipid disorders shows mixed results in early clinical trials
Preliminary research suggests that use of a novel, potent drug to treat cholesterol disorders decreases triglycerides and increases HDL-C, the

Protein therapy may reduce infarct size in heart attack patients
Researchers are searching for new methods and therapies to reduce infarct size and improve blood flow to the heart muscle in patients who experience myocardial infarction (MI), or heart attack.

Crestor effective at halting early atherosclerosis
An international study using ultrasound technology has found that the most potent cholesterol-lowering drug is also effective at halting early changes in the blood vessels that can lead to atherosclerosis.

Noninvasive cardiac T-Wave test
Patients who experience abnormal heart rhythm are often treated with an implantable cardioverter defibrillator (ICD).

Multiple malaria infection inhibits spread of parasite
People who are frequently infected with malaria parasites can develop immunity against the gametocyte, the infectious stage.

Linear arrays of nanotubes offer path to high-performance electronics
Despite the attractive electrical properties and physical features of single-walled carbon nanotubes, incorporating them into scalable integrated circuits has proven to be a challenge because of difficulties in manipulating and positioning these molecular scale objects and in achieving sufficient current outputs.

Muscle stem cells may offer a new treatment option for congestive heart failure
As a new wave of stem cell research continues, cardiologists are trying to tap into the self-renewing cells' life-saving potential.

'Juiced-up' battery fueled by sugar could power small portable electronics
Juicing up your cell phone or iPod may take on a whole new meaning in the future.
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