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Science News Archive 2006


Page 113 of 178

Precision biochemistry tracks DNA damage in fish

Precision biochemistry techniques track DNA damage in fish, identifying low-level lesions that correlate with pollution. These biomarkers can provide a direct measure of contaminant impact and assess pollution remediation efforts.

In drug design, a loose fit may be best bet

Researchers found that a loose connection between hormone and GPCR allows for stronger signal activation, potentially leading to more effective drug therapies. The study used thyrotropin-releasing hormone (TRH) as a model and suggests that a similar approach could be applied to other hormone-GPCR reactions.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Exercise can protect against skin cancer

Research found that exercising mice took longer to develop skin tumors and had fewer tumors than sedentary mice exposed to ultraviolet B light. Exercise was also linked to lower body fat, which decreased the risk of skin cancer.

The molecular post office inside the cell

The signal recognition particle (SRP) complex plays a crucial role in sorting secretory and membrane proteins, determining their final destination within or outside the cell. By understanding its structure, researchers can uncover key events during protein sorting, essential for expressing these proteins correctly.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Organizing dumbbells for nanotech devices

Scientists design molecular machines that can switch between functional units and demonstrate reversible switching behavior when exposed to acid and base. The study showcases the potential for organizing molecular machines on surfaces, paving the way for future development of molecular computers.

Joslin-led study reveals new findings on insulin signaling in the liver

A Joslin-led study has discovered that insulin signals to the liver differently for glucose and lipid metabolism, opening the door to developing targeted therapies. The research reveals new insights into phosphoinositide 3-kinase (PI3K) pathway, which regulates insulin's action in the liver.

Electronic medical record boosts quality, efficiency

EMRs enable better patient care, data analysis, and research studies, but challenges remain in implementation and integration. Despite limitations, EMRs offer advantages such as streamlined reports, medication reminders, and quality tracking.

Study suggests tension headache may actually be TMJD

Researchers found that examiners can replicate tension-headache symptoms in 82% of subjects by testing the temporalis muscle, which is involved in TMJD. This study aims to establish valid and reliable diagnostic criteria for TMJD, which could improve treatment outcomes for those suffering from the disorder.

Apple iPhone 17 Pro

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

One-dimensional diffusion accelerates molecular motors

Researchers discovered that molecular motors use one-dimensional diffusion to rapidly target microtubule ends. This strategy allows for efficient and accurate localization of microtubule ends, crucial for chromosome distribution during cell division.

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.

Wearable sensors to improve soldier post-action reports

The National Institute of Standards and Technology (NIST) is testing wearable sensor systems at the US Army Aberdeen Test Center. The sensors aim to capture data such as vehicle sound, images, speech, and specific types of weapon fire, which will be compared to soldiers' after-action reports.

Obesity makes labor tougher on women, new research finds

A study of 195 patients found that obese pregnant women who underwent induced labor took longer to deliver their babies and required more medication. Doctors should inform obese women about the risks of prolonged labor and consider waiting for spontaneous labor onset instead.

NIST and NCI to collaborate on proteomics assessment

The National Institute of Standards and Technology (NIST) will develop a measurement assessment material for proteins, mimicking human plasma proteome complexity. This collaboration aims to evaluate existing proteomic technologies, develop new ones, and establish reliable measurement tools for cancer research.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Studies shed new light on why exercise can protect against skin and bowel cancers

Studies found that exercise reduced tumour development and improved survival in mice exposed to ultraviolet B light. Exercise also decreased body fat and enhanced programmed cell death in cancer cells. The studies suggest that voluntary exercise may protect against skin and bowel cancers, but more research is needed to confirm this.

Low-cost microfluidics can be a sticky problem

A team from NIST and GMU developed a simple method to bond polymeric microfluidic devices using capillary action. By injecting solvent through tiny channels, the plates are welded together quickly and efficiently.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Kalashnikovs and marginalised youth in Sierra Leone

Research found lack of training and employment led to violent uprising, while reintegration projects struggled to find work for newly-trained ex-soldiers. Millions spent on vocational training, but many ended up working for subsistence wages in mines.

U. Iowa research improves health care delivery for children

Researchers at UI Hospitals and Clinics discovered a fundamental problem in predicting case durations for diagnostic scans under anesthesia. By analyzing experts' estimates, they implemented a solution that significantly improved accuracy and reduced pre-anesthesia fasting times for young patients.

New treatment for food poisoning

A new treatment using fosfomycin has shown promise in treating Listeria infections, which cause severe food-borne diseases. The drug was ineffective in laboratory tests but proved effective in the body, highlighting the need to revise testing methods.

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.

Dragonfly migration resembles that of birds, scientists say

A team of Princeton University researchers tracked 14 green darner dragonflies for up to 10 days and found their flight patterns showed similarities to bird migration patterns. The study suggests that the rules for animal migration may have been established in Earth's history, with implications for agriculture and ecological management.

West-African car dealers bet on a business jackpot

Researchers found that West African car traders invested heavily in the market despite falling profits and increasing bankruptcies. They formed a culture of gambling-like decisions due to unreliable market information and brief social relationships.

Scientists discover two genes linked to early heart attack risk

Researchers identified VAMP8 and HNRPUL1 gene variants associated with increased risk of early-onset myocardial infarction. The study analyzed over 2,000 patients and found that carriers of these variants had a comparable risk to conventional risk factors such as smoking and high blood pressure.

Most sexual assaults drug facilitated, UIC study claims

A recent study by University of Illinois Chicago researchers suggests that approximately 61.8% of sexual assault subjects have drugs in their system, with 4.2% reporting being drugged without knowledge. The study also found that voluntary drug use impairs decision-making, increasing the risk of sexual assault.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

International team of scientists discovers new primate genus

An international team of scientists has discovered a new primate genus, Rungwecebus kipunji, through genetic analysis and collaboration. The discovery highlights the importance of interdisciplinary research and undergraduate involvement in biodiversity studies.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Desensitization protocol overcomes allergy to clopidogrel

A new desensitization protocol allows eight patients with clopidogrel hypersensitivity to safely take the medication, reducing risk of blood clots and heart attacks. The study's findings suggest that desensitization can be a viable option for managing allergy symptoms in patients treated with clopidogrel.

JCI table of contents, May 11, 2006

Researchers found that the steroid and xenobiotic receptor (SXR) negatively regulates CYP24 expression and subsequent vitamin D breakdown, but can also enhance vitamin D hydroxylation and breakdown by inducing CYP3A4. Additionally, IL-15 administration restored CD4+ T cell production in an animal model of HIV infection, while lithium w...

Choosy females make colourful males

In Lake Victoria cichlid fish, females choose brightly coloured males for good reasons: fewer parasites and better health. The colour preference leads to speciation as only the brightest red and blue fish survive, eventually forming two separate species.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Coffee, black, decaf and a little llama on the side

Researchers have created a heat-stable antibody that can detect caffeine in various drinks, including coffee, tea, and cola. The test has shown accuracy comparable to sophisticated equipment, with potential applications for consumers who want to avoid caffeine due to health or personal reasons.

From geek to chic: The changing face of computing

The STARS Alliance aims to broaden the appeal of computer science and information technology by recruiting a diverse group of students. The program will establish a web site, Student Leadership Corps, and a targeted marketing campaign to shatter stereotypes and promote diversity in computing careers.

Scientists describe new African monkey genus – first in 83 years

A team of international scientists has discovered a new African monkey genus, Rungwecebus kipunji, through collaborative research. The species, found in Tanzania's high-altitude forests, exhibits distinct physical characteristics and is closely related to baboons, highlighting the need for conservation efforts to protect its vulnerable...

Strong governmental leadership needed to tackle obesity epidemic

The Lancet emphasizes the need for strong governmental leadership to address the obesity epidemic, with a focus on production of cheap healthy foods, urban planning, education, and a global code to promote only healthy food and drink. Effective policy changes are crucial to reduce obesity and curb the epidemic.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

New technology will allow for flexible television and computer screens

Researchers at the University of Montreal have developed a high-performance OLED on a new electrode material, enabling flexible displays. The technology uses carbon nanotube sheets, which exhibit flexibility, transparency, and conductivity, making them suitable for various display and lighting applications.

Functionalised membranes for sustainable processes

Researchers developed functionalised membranes that can separate gases with higher selectivity and capacity. These membranes are energy-saving and environmentally friendly, making them a promising solution for sustainable processes.

How bad is malaria anemia? It may depend on your genes

A new study suggests that an individual's unique genetic makeup can affect their risk of developing severe anemia from malaria. Researchers have identified specific genes and DNA sequences that control the production of MIF, a protein linked to malarial anemia.

UNH researcher restoring oyster reefs to Great Bay

UNH researcher Ray Grizzle is restoring oyster reefs in the Great Bay estuarine system to promote water quality, support marine life, and provide habitat for sport fishes. His research explores optimal reef restoration techniques using disease-resistant young oysters and recycled shells.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

A bone of contention in drug-induced osteomalacia

Researchers found that SXR inhibits VDR-mediated CYP24 activity in mice, contradicting previous studies. In humans, rifampicin treatment increases CYP3A4 expression but has no effect on CYP24 expression, suggesting a complex regulatory mechanism.

Study of nutrients' effects on brain provides insight into appetite regulation

A recent study by University of Cincinnati researchers suggests that specific micronutrients, particularly branched-chain amino acids like leucine, play a key role in regulating appetite and energy balance. The study's findings may lead to the development of new diet designs to help individuals with obesity manage their weight.

SCAI Founders' Lecture traces impressive progress in interventional cardiology

The lecture highlights the evolution of interventional cardiology, from longer procedure times and higher risks of heart attacks to advancements in steerable guidewires, perfusion catheters, and drug-eluting stents. Bioabsorbable stents offer a promising solution by dissolving into carbon dioxide and water once healed.

Chances for better care for addicts

The studies reveal that integrated treatments benefit patients with multiple psychological problems and that cooperation between judiciary and addiction care provides added benefits. Effective prevention programs are also available for young people, while animal experimental research offers perspectives on human addiction research.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

C-myc required by the immune system

Researchers have discovered that C-myc, known as an oncogene, acts downstream of IL-15 signaling to regulate T memory cell homeostasis. This finding has implications for future therapies and highlights the importance of preserving a gene's role in normal processes.

One million for state-of-the-art chemical research facilities

The Netherlands Organization for Scientific Research has awarded €1 million to support state-of-the-art chemical research facilities. The funding will be used to acquire new equipment and improve existing facilities for researchers at the Universiteit van Amsterdam, Radboud University Nijmegen, and Eindhoven University of Technology.

Quick trip to cath lab best for women with acute coronary syndromes

A recent study suggests that women with acute coronary syndromes should not be denied access to cardiac catheterization laboratories, particularly high-risk patients. The research analyzed data from over 1,000 women and found that outcomes for women were similar to those of men in terms of mortality and heart attack rates.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Scientists create the first synthetic nanoscale fractal molecule

Researchers at Ohio University have successfully created the world's first synthetic nanoscale fractal molecule, which has potential applications in novel energy storage systems, photoelectric cells, and molecular batteries. The molecules are made of iron and ruthenium ions and form a hexagonal gasket.

Biological motors sort molecules one by one on a chip

Scientists at Delft University of Technology successfully controlled and addressed individual microtubules by applying electrical forces to steer them towards specific directions. This breakthrough allows for efficient transportation of molecules within biological cells, opening new avenues for nanotechnology applications.