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Science News for July 30, 2000


DNA test solving Chesapeake's toxic mysteries

A new DNA test developed by the University of Maryland Biotechnology Institute rapidly identifies Pfiesteria piscicida, a toxic marine microbe linked to fish kills and human illness. The test helps predict outbreaks and study the toxin's effects on immune cells in the brain.

SourceUniversity of Maryland Biotechnology Institute·DateJul 30, 2000

Vaccine put into tomatoes shows promise fighting virus in lab tests

Researchers at the University of Illinois have developed a vaccine approach to fight the respiratory syncytial virus (RSV) by infusing it into genetically modified cherry tomatoes. The study found that mice fed with these vaccine-containing tomatoes showed increased antibody production, providing protection against the virus.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalTransgenic Research·DateJul 30, 2000

Invention combines features of keyboard, fretless string instrument

The continuum fingerboard is a MIDI controller that allows continuous control over each note played, without discrete pitches. It resembles a piano keyboard but has a flat playing surface with soft fabric covering the mechanics, requiring musicians to learn new techniques.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateJul 30, 2000
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Study finds women screened for cervical cancer one, two and three years after normal test results have same low rate of abnormalities

A US study found that women with recent normal Pap smear results have a similar low rate of significant cellular abnormalities regardless of the time interval between screenings. The study suggests that some women may not need to be screened annually, and that less frequent screening may be safe for low-risk women.

SourceUniversity of California - San Francisco·JournalObstetrics and Gynecology·DateJul 30, 2000

New trial will determine best way to detect colon cancer

A new trial will compare the effectiveness of three colon cancer detection methods: air contrast barium enema, traditional colonoscopy, and virtual colonoscopy. The study aims to determine which method is most accurate, tolerable and cost-effective for detecting polyps and lesions in the colon.

SourceDuke University Medical Center·DateJul 30, 2000

NIH scientists unravel clues to ebola hemorrhaging

Researchers have identified a viral protein responsible for Ebola-induced internal bleeding. The discovery could lead to the development of targeted antiviral treatments and vaccines to prevent the disease. By understanding how the virus attaches to and enters cells, scientists can design more effective countermeasures.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNature Medicine·DateJul 30, 2000
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Risk-management model evaluates groundwater-remediation designs

A new risk-management model developed by researchers at the University of Illinois combines genetic algorithms, fate and transport simulation models, and risk assessment modules to identify potential remediation designs. The model evaluates tradeoffs among cost, risk, and cleanup time under conditions of uncertainty.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateJul 30, 2000

In initial gene therapy trial, Jefferson scientists report successful gene transfer in Canavan disease

Researchers at Jefferson Medical College successfully introduced a therapeutic gene into the brain of two children with Canavan disease, showing decreased NAA concentration and increased myelin. The gene transfer demonstrated positive neurological improvements in the patients, offering hope for future use of gene therapy for brain dise...

SourceThomas Jefferson University·JournalAnnals of Neurology·DateJul 30, 2000

Ritalin helps children with ADHD maintain normal reaction time

A new study found that non-medicated ADHD children are three times slower than their non-ADHD counterparts when making quick decisions. However, when treated with Ritalin, the ADHD children's reaction times returned to normal.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Abnormal Child Psychology·DateJul 30, 2000
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

AAPS workshop to explore regulatory approaches to bioavailability, bioequivalence

The AAPS Workshop on Biopharmaceutics in the New Millennium will discuss new scientific approaches to measure bioavailability (BA) and document bioequivalence (BE) for orally administered drug products. The workshop will also explore challenges and propose approaches for harmonizing international regulatory guidances.

SourceAmerican Association of Pharmaceutical Scientists·DateJul 30, 2000

Scientists decipher structure of toxin responsible for botulism

Scientists at Brookhaven National Laboratory have deciphered the structure of botulinum toxin, a deadly poison that can cause paralysis and death. The discovery could lead to the development of a recombinant vaccine to disable the toxin and improve therapeutic applications.

SourceDOE/Brookhaven National Laboratory·JournalNature Structural & Molecular Biology·DateJul 30, 2000