The 'one-step' chain growth method enables the design and synthesis of various highly conductive polymers. Regioregular polythiophenes can be formed into nanowire sheets or create a plethora of new conducting polymers by varying the chemical cap. This research has significant implications for applications in devices like transistors.
Researchers successfully treated 21 small breast cancers with RF ablation, destroying malignant tissue with no adverse effects. However, surrounding tissue was not removed, limiting the procedure's effectiveness as a standalone treatment.
Amanda Rudisin, a Virginia Tech undergraduate, has developed polymers that can transport DNA across cell membranes. Her research found that linear and branched molecules have varying effects on complexation with DNA.
Research highlights the potential risks of high-protein diets, parental happiness impacting birth weight, and frequent medical errors in family physician offices. Simple dietary restrictions may reduce mortality risk associated with high transferrin saturation, while maternal report of partner happiness can predict birth weight.
A recent study published in PNAS found that single cocaine exposure can increase both morphine preference and kappa-opioid receptor agonist aversion in rats. This suggests the existence of opposing brain circuits involved in drug craving and avoidance, with potential implications for treating addiction by modulating these pathways.
A synthetic compound called ISO-1 appears to work by blocking inflammation and protecting mice from developing type 1 diabetes. The researchers believe it could be developed into an oral drug that provides long-lasting protection for young people.
Researchers have developed a novel approach to modify alpha globin, potentially providing more effective treatments for sickle cell disease. Genetically engineered mice with the disease showed improved blood counts and extended lifespan after producing zeta globin.
Lunar experts from the University of Arizona will testify about the benefits and challenges of an extended human presence for scientific exploration and mining. The hearing will focus on using water as a resource for propulsion, life support, and fueling return trips to Earth.
Researchers at Georgia Institute of Technology discover a way to boost the efficiency of polymer organic light-emitting diodes by biasing spin statistics. The new method could lead to more efficient devices with an increased percentage of light-emitting singlets.
Virginia Tech researchers are creating biocompatible adhesives that can be activated with light to mend vascular tissue. The novel polymer has been shown to have promising properties for laser-assisted vascular repair, potentially speeding up the healing process and reducing complications.
Scientists studying an Antarctic 'cod' are gaining insights into how its unique physiology helps it survive in icy waters. By understanding how the fish adapts to environmental change, researchers hope to develop new treatments for human heart conditions.
A new transcript-based cloning technique enables scientists to identify specific genes in a matter of months, reducing the process from years. The technique was used to isolate and identify a gene in Medicago truncatula that plays a crucial role in nitrogen fixation.
Scientists at Fox Chase Cancer Center successfully extracted high-quality RNA from archived tissue samples using the Paradise Reagent System. This innovation allows researchers to identify genetic changes in cancer that span years, enabling personalized therapy.
Researchers at the University of Wisconsin-Madison have developed a new storage method that increases stem cell survival rates by over 20 times, allowing for more efficient and reliable research. The technique uses a gel matrix with trehalose to protect cells from freezing and thawing damage.
Jefferson researchers have discovered a unique genetic signature for colon stem cells, which could lead to a better understanding of colon cancer development. The study found that specific genes are selectively expressed in the bottom of crypts, where stem cells reside.
A UCLA study finds that FoxP1 and FoxP2 genes shared by humans and songbirds may play a critical role in human speech and speech disorders. The study suggests that understanding these genes could lead to new medications for speech disorders.
OneWorld Health plans to launch a network of volunteer pharmaceutical scientists to develop treatments for diseases like visceral leishmaniasis, Chagas disease, and malaria. The initiative aims to harness the expertise of industry professionals to address global health disparities.
Researchers at the Eleanor Roosevelt Institute have patented a new treatment for type II diabetes, focusing on regulating insulin resistance by manipulating melanocyte-stimulating hormone (MSH) levels. The approach has shown promise in genetically engineered mice and may offer a new direction in understanding and treating the disease.
Dr. Blossom A. Damania has been awarded the $50,000 Gertrude B. Elion Cancer Research Award for her research on tumor virology and Kaposi's sarcoma-associated herpesvirus (KSHV). This award recognizes her groundbreaking work in deciphering how the virus can transform cells into malignancies.
Researchers are developing bacterial cellulose-based products for various uses, including artificial blood vessels for microsurgery, electronic paper displays, and bioengineered wound dressings. These innovative materials have the potential to improve healing rates, reduce pain, and enhance medical outcomes.
Researchers fabricate polymer 'nanobrushes' and other 'smart' molecules with potential uses in analyzing individual cell proteins and detecting chemicals. The molecular dimensions of these nanostructures allow for scalable chemistry and could enable tiny ELP arrays to screen protein contents.
Researchers have found that Nembutal, a sedative, can suppress the growth of colon cancer cells by inhibiting gamma-aminobutyric acid receptors. The study suggests a novel approach to treating cancers with neurotransmitter receptors on their surfaces.
A University of Pittsburgh study found that providing young women with emergency contraceptive pills at home did not lead to an increase in unprotected sex or inconsistent contraceptive use. Instead, the study showed a corresponding increase in condom use among those who received the pills.
A new shape-search system developed by Purdue engineers allows employees to search huge industry databases using sketches of parts or selecting similar-shaped parts. The system reduces design time by up to 80% by indexing parts based on their geometry and features, providing valuable background information about part production costs.
Researchers found zebrafish embryos are sensitive to mid-blastula transition in ionizing radiation, but unaffected by UV radiation prior to this stage. After the transition, UV radiation causes morphologic damage, while ionizing radiation damages DNA due to lack of repair mechanisms.
A recent study found that stenting has excellent short-term results for treating lower-extremity ischemia, with a high success rate of 98 percent. The procedure also has a significantly lower mortality rate compared to femoral artery bypass surgery.
Researchers at the University of Pennsylvania have successfully designed better bacteria killers by modifying arylamide-based polymers inspired by frog skin. The modified polymers can disrupt bacterial cell membranes without harming human cells, making them a promising new approach to combat antibiotic resistance.
The study reveals that nanoparticles are 30 times more efficient at promoting manganese oxidation than bulk material. This discovery challenges the long-held assumption that manganese oxidation requires bacteria, suggesting particle size may play a key role.
A study found that the anti-inflammatory drug nimesulide triggered angiogenesis and increased pancreatic cancer cell growth in COX-2 negative tumor cells, but inhibited tumor growth in COX-2 positive cells. Researchers plan to test other COX-2 inhibitors for similar effects.
Researchers from Hamilton College are conducting a three-year project in Antarctica to test the hypothesis that the Larsen B Ice Shelf system has been stable since its formation 10,000 years ago. They will analyze sediment cores and deploy sediment traps to measure debris input from surging glaciers.
Researchers developed a simplified formula to predict team winning percentages, using only addition, subtraction, and multiplication. The new linear function works almost as well as the original Pythagorean theorem in predicting team performance.
Researchers have discovered profound differences in the gene content of T. denticola, an oral pathogen associated with gum disease, compared to other spirochetes that cause syphilis and Lyme disease. The study's findings highlight the power of comparative genomics in understanding how related pathogens can cause different diseases.
Research at UC Davis explores the effects of ocean nanoparticles and vehicle emissions on atmospheric conditions. The study aims to develop models for measuring and predicting nanoparticle transients in the atmosphere.
Regular exercise can reduce a woman's risk of endometrial cancer by up to 30-40% and improve breast cancer survival rates. Studies found that moderate physical activity, including walking and household chores, had significant benefits on cancer risk and survival.
A study led by Dr Joanne Entwistle highlights the importance of fashion buyers' knowledge in translating market identity into products. The research focused on a large department store's women's wear team, finding that building markets and consumers is essential for success.
Researchers found that ES cell lines can restore blood cells, including immune systems, in mice without being rejected. This breakthrough has potential advantages over traditional bone marrow or blood donations, offering a renewable source with low risk of graft-versus-host disease.
A study found that regular exercise, as well as routine activities like walking for transportation or performing household chores, can reduce a woman's risk of endometrial cancer. The research team assessed physical activity from various periods in life and found significant benefits for women with higher levels of physical activity.
A new study found that even a small amount of psoriasis can significantly affect daily life, impacting over 4.5 million Americans with the disease. Psoriasis patients often feel like their condition is a burden and are dissatisfied with treatment options.
A new study by Elaina Rose found that educated women are becoming more likely to marry and have children. The 'success gap' between high- and low-educated women has narrowed significantly since the 1980s and 1990s, when higher education was associated with lower marriage rates.
A recent study by mathematicians and economists found that National League pitchers are more likely to throw inside pitches, increasing the risk of hitting batters. This 'moral hazard' theory suggests that the rule's impact is not due to lower costs for NL pitchers, but rather their fear of retaliation when stepping up to bat.
Researchers found that conservation tillage increases soil carbon, reducing greenhouse gas emissions. This method also produces more food with less land, addressing global food security challenges.
Researchers at Duke University have developed a new type of nanotube transistor that uses an electrically conducting polymer gate to reduce power demand and improve device performance. The innovation offers great promise for future electronic devices, including those even smaller than current models.
Researchers found that caustic soils at Hanford can trap radioactive cesium and strontium, forming stable minerals like zeolites and feldspathoids. This discovery may aid in remediation efforts by slowing down the migration of toxic waste into groundwater.
Mayo Clinic researchers found gene mutations that disrupt stress signaling in the heart, making it vulnerable to damage. The study, published in Nature Genetics, may lead to new treatments for heart failure.
STN International has launched Derwent World Patents Index First View, providing early access to the latest published patent documents. This new alerting companion file offers a comprehensive and timely overview of global patenting activity when used with Derwent World Patents Index.
Scientists at Rice University have discovered an attractive force in mayonnaise using the phenomenon of negative normal stress. This finding has significant implications for the development of new emulsions and dispersions with practical applications.
Researchers developed a disposable sensor using carbon nanotubes and enzymes to detect OP nerve agents. The sensor can detect traces of up to 5 parts per billion, making it a promising tool for identifying toxin exposure.
Virgil Percec, a Penn chemist, has received an American Chemical Society award for his work in polymer chemistry. He is recognized for striking a balance among diverse disciplines and extending nature's solutions to design synthetic functional nanosystems.
Researchers found 53 smoking-induced genetic alterations in mice exposed to tobacco smoke, with CYP1B1 enzyme overexpression linked to estradiol activation. This finding may help understand why female smokers are more susceptible to lung cancer than male smokers.
The team uses heterocycles from DNA to recognize specific complementary groups, creating a reversible surface that can be modified and reused. The new technology has potential applications in body armor and films.
Scientists at Johns Hopkins Kimmel Cancer Center have found a link between the HOXB7 gene and increased activity in breast cancer biomarkers. The study shows that the gene is overexpressed in more than 60% of breast cancer cell lines and 90% of primary breast cancers.
Researchers at Penn State have created a thermally stable coal-based jet fuel, provisionally designated as JP900, which can absorb significant amounts of heat and remain stable up to 900 degrees Fahrenheit. This fuel has potential benefits in reducing engine deposits and improving cold weather performance.
Studies show that exposure to environmental carcinogens can cause DNA damage in the womb, increasing cancer risk. The fetus is more susceptible to genetic damage than the mother, highlighting the need for preventive policies.
A new DNA test using Fourier transform-infrared spectroscopy has been developed to identify patients with myelodysplasia (MDS) or those at high risk of developing the disease. The test is highly predictive and can distinguish MDS patients from those with non-malignant bone marrow disorders.
Researchers explore new natural pesticides derived from plants and microorganisms to combat parasitic weeds that destroy large areas of crops. Scientists are developing broad-spectrum herbicides with targeted resistance to useful crops.
Jeanne E. Pemberton's research reveals that changing the electrical charge on electronic paper affects how well ink sticks, enabling the development of reusable tablets. The study uses the 'emersion' method to analyze molecular interactions at the interface between liquids and solids.
A study found that a component of snake venom can help remove stubborn bloodstains from clothes, with fibrinolytic enzymes facilitating the breakdown of blood protein fibrin. Researchers successfully tested the enzyme on blood-stained denim swatches, showing significantly fainter stains after treatment.
A 40-minute surgical procedure called left cardiac sympathetic denervation (LCSD) reduces the risk of cardiac arrest and fainting episodes in people with long QT syndrome, a rare heart disorder. The study found that LCSD surgery reduced cardiac events by 91 percent compared to pre-surgery rates.
New studies examine acrylamide levels in foods such as potato chips, breads and cereals. Researchers have found that cooking conditions influence acrylamide levels, with some foods showing low levels despite popular assumption.
Scientists at UC Davis create a novel fluorescent assay for detecting pesticides on a chip, utilizing lanthanide oxide nanoparticles as a reporter. The approach has the potential to improve pesticide detection in environmental testing and other fields.