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Purdue University


Climate model predicts dramatic changes over next 100 years

A new climate model predicts more extreme temperatures throughout the US, with intense heat waves in the desert Southwest, and more storms along the Gulf Coast and Pacific Northwest. The model, which incorporates many climatic factors in unprecedented detail, suggests that these changes will disrupt national economy and infrastructure.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateOct 17, 2005

Purdue scientists treat cancer with RNA nanotechnology

Researchers have developed RNA nanoparticles that can carry multiple therapeutic agents into specific cancer cells, where they can halt viral growth or cancer progression. The tiny particles are assembled from three short pieces of ribonucleic acid and possess the right size and structure to gain entry into cells.

SourcePurdue University·JournalNano Letters·DateSep 14, 2005

Purdue research shows added calcium benefits women on the pill

A Purdue study found that increasing calcium intake by 200-300mg per day can significantly boost bone mineral density in young women taking oral contraceptives, reducing the risk of osteoporosis. The researchers suggest that this simple change can prevent a significant loss of bone mass, particularly during peak bone development years.

SourcePurdue University·JournalThe Journal of Clinical Endocrinology & Metabolism·DateAug 17, 2005

Happy and passive means more productive animals

Researchers at Purdue University have developed a new breeding program that selects passive livestock animals, leading to increased productivity and improved animal well-being. The program, which avoids inbreeding problems, also reduces competition among animals for resources, resulting in less aggressive behavior and injuries.

SourcePurdue University·JournalGenetics·DateAug 2, 2005

DNA from feathers tells tale of eagle fidelity

Researchers from Purdue University confirmed that eagles from central Asia are monogamous, with no adult straying from its mate. The study used non-invasive DNA analysis on feathers to track individual birds over a six-year period, providing valuable insights for conservation biologists.

SourcePurdue University·JournalMolecular Ecology·DateJul 7, 2005

Cure for common cold will need to wiggle to work, scientists say

Researchers at Purdue University found that the flexible structure of WIN compounds allows them to shimmy into the proteins forming the virus' outer shell and alter them. This could potentially stop the infection process. The team believes WIN compounds may be effective in stabilizing proteins, preventing the viral trap door from opening.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateMay 25, 2005

Same fold in viral shells point to common ancestry

Researchers at Purdue University found that viruses T4 and HK97 share similar protein folds in their outer shells, suggesting a common ancestor. The findings, published in the Proceedings of the National Academy of Sciences, provide further evidence for the evolutionary conservation of viral capsid structures.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateMay 18, 2005

Purdue study finds races react differently to dietary salt, calcium

Researchers at Purdue University found that African-American and Caucasian adolescent girls handle sodium and calcium differently, leading to varying rates of hypertension and osteoporosis. The study concluded that excessive salt intake reduces bone density in both races, with Caucasian girls losing more calcium through their urine.

SourcePurdue University·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMay 10, 2005

Purdue miniature cooling device will have military, computer uses

Mechanical engineers at Purdue University have created micro-channel heat sinks that can cool electronic components, enabling faster performance and better functionality. The devices are being developed to address the growing need for efficient cooling in advanced laser systems, microwave radar, and future computers.

SourcePurdue University·JournalInternational Journal of Heat and Mass Transfer·DateApr 14, 2005

Purdue scientists unravel Midwest tornado formation

A Purdue University study found that many tornadoes form from 'line-shaped' storms associated with large weather fronts, particularly in the Midwest. These tornadoes are more likely to occur late at night and in colder months, challenging traditional notions of severe weather patterns.

SourcePurdue University·JournalWeather and Forecasting·DateApr 1, 2005

Defenseless plants arm themselves with metals

Researchers at Purdue University discovered that a group of plants called metal hyperaccumulators can store high levels of metal in their tissues, making them resistant to pathogens. This trait allows these plants to thrive in soils naturally enriched in metals without succumbing to diseases like powdery mildew.

SourcePurdue University·JournalPLANT PHYSIOLOGY·DateMar 11, 2005

Purdue researchers use enzyme to clip 'DNA wires'

Researchers at Purdue University have developed a method to create DNA-based structures using magnetic nanoparticles and restriction enzymes. By clipping the DNA 'wires' into smaller pieces, they aim to reduce production costs and increase efficiency in electronic devices.

SourcePurdue University·JournalJournal of the American Chemical Society·DateMar 1, 2005

Plants, animals share molecular growth mechanisms

Researchers at Purdue University have identified a plant protein complex that triggers cellular growth and development, similar to animal development. The discovery opens new avenues for understanding plant growth and potentially designing plants with enhanced protection against insects and disease.

SourcePurdue University·JournalThe Plant Cell·DateFeb 23, 2005

Molecular machine may lead to new drugs to combat human diseases

Scientists at Purdue University have made a breakthrough in understanding the molecular mechanism of Group I introns, which could lead to new treatments for human diseases. By crystallizing an intron at mid-point in its work cycle, researchers gained insights into how it binds with molecules and carries out biochemical reactions.

SourcePurdue University·JournalNature Structural & Molecular Biology·DateFeb 18, 2005

Scientists find common roots for thousands of plant compounds

Researchers at Purdue University found that a single cellular pathway produces the raw ingredients for thousands of compounds, including those with anticancer properties and fragrance. This discovery challenges long-held assumptions about plant production and has implications for essential oil production.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateJan 19, 2005