Add BrightSurf on Google Email

Science News Archive September 2003 - Page 6


Page 6 of 10

JCI Table of Contents, September 15, 2003

Researchers at Columbia University discovered that D-beta-hydroxybutyrate restores impaired brain function and protects against neurodegeneration in mice with Parkinson's disease. The study supports a critical role for mitochondrial defects in the progression of the disease.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 15, 2003

T cell lifespan during HIV infection

A study challenges previous views on HIV-infected T cell lifespan, revealing that chronic immune activation drives high proliferation rates in memory T cells. HAART treatment improves long-lived T cell production, providing insight into the body's response to HIV infection.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 15, 2003

Bacterial relationships revealed

A new approach to analyzing bacterial genomes has enabled the reconstruction of evolutionary events and the diversification of bacterial species over a billion years. This method uses gene indicators to chart the structure and substance of genomes, providing valuable insights into genomic evolution.

SourcePLOS·JournalPLOS Biology·DateSep 15, 2003

Study reveals why silicon crystals lose their 'edge'

Researchers at Ohio State University discovered a series of phase transitions that cause silicon crystals to round their edges as they reach thermal equilibrium. This finding has implications for the manufacturing of tiny electronic components, such as wires and semiconductors, which could be designed with specific patterns.

SourceOhio State University·JournalSurface Science·DateSep 15, 2003

Synthesis of cage-like silica structure easier and cheaper

Scientists at Penn State University have created a novel method for synthesizing cage-like silica structures by combining different templates and heating them in a microwave oven. This innovative approach produces larger particles with improved stability and reduced synthesis time compared to previous methods.

SourcePenn State·JournalJournal of Materials Chemistry·DateSep 15, 2003

A cheap and easy way to treat Parkinson disease

A cheap and easy way to treat Parkinson disease involves infusing the ketone body D-beta-HB, which restores mitochondrial respiration and protects against neurodegeneration. This novel therapy supports a critical role for mitochondrial defect in Parkinson disease and offers new hope for treatment.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 15, 2003

On the horizon of glucose monitoring: A review

Researchers review new glucose monitoring technologies, including non-invasive options that could lead to better compliance with testing recommendations. Continuous glucose monitoring systems also hold promise for early detection of hidden glucose trends.

SourcePenn State·JournalCanadian Journal of Diabetes·DateSep 15, 2003

Controlling the internal clock in darkness

Scientists have found that brain clock cells in fruit flies rely on intercellular communication to sustain their circadian rhythms, even in the absence of light. The study also shows that a protein called PDF plays a crucial role in coordinating this process.

SourcePLOS·JournalPLOS Biology·DateSep 15, 2003

Report finds 'no convincing evidence' that psychological debriefing reduces incidence of PTSD

A new report examines the efficacy of psychological debriefing in reducing PTSD incidence and suggests it may hinder natural recovery. Controlled studies show little to no effect on PTSD onset, indicating that factors such as social network and stress processing methods are more directly correlated with PTSD manifestation.

SourceAssociation for Psychological Science·JournalPsychological Science in the Public Interest·DateSep 15, 2003

Optical detection of anomalous nitrogen in comets

Astronomers have successfully detected and measured the nitrogen-15 isotope in Comet LINEAR, revealing an isotopic abundance ratio of 140 ± 30. This finding provides crucial information about the composition of comets and their connection to heavier organic molecules, which are essential for life on Earth.

SourceESO·JournalScience·DateSep 12, 2003

Study finds music can ease labor pain

Researchers at Case Western Reserve University found that listening to calming music during early active labor can significantly reduce the sensation and distress of pain. The study, led by Sasitorn Phumdoung, suggests that music may be a widely-used alternative to medication for easing pain during childbirth.

SourceCase Western Reserve University·JournalPain Management Nursing·DateSep 12, 2003

'Buckyball' material brings light into line

Researchers have developed a new material combining buckyballs with polyurethane to improve information processing in fibre-optic networks. The material interacts with light particles 10-100 times more strongly than previous C60-based materials, enabling faster and more efficient data transmission.

SourceUniversity of Toronto·JournalApplied Physics Letters·DateSep 12, 2003

New research finds garlic kills slugs

A study by Newcastle University found that a refined garlic product is an effective killer of slugs and snails, with the potential to replace chemical pesticides. The researchers tested nine molluscicides, including a garlic-based product, and found it to be one of the most effective killers.