Scientists have discovered a new catalyst that enables the production of alpha-olefins at lower temperatures and pressures, resulting in higher-purity products. The modified metallocene catalyst simplifies the manufacturing process for plastics and other consumer goods, potentially reducing costs and improving safety.
Researchers found that growing strands of DNA can accurately incorporate a nucleotide that closely resembles thymine but lacks hydrogen bonding ability. This finding suggests that the distinctive shapes and sizes of DNA bases may underpin the impressive 99.99-percent accuracy of DNA replication.
Scientists successfully converted energy in the form of light into matter, creating electrons and positrons. The experiment used high-energy electrons and photons to produce an incredible amount of power in a tiny area, marking a major breakthrough in understanding quantum electrodynamics.
A recent study led by Professor Susan Fisher of the University of California at San Francisco found that low oxygen levels regulate cell proliferation in early pregnancy, controlling placental development. The team also discovered a process similar to cancerous growth occurs when cells invade healthy tissue under low-oxygen conditions.
A study by University of Rochester researchers found that maternal lead exposure leads to a 40% increase in cavities in rats. Lead interferes with saliva production, which protects teeth against decay. The team is now searching for the cause of this link, which could help explain why dental cavities remain a major public health problem.
Scientists develop polymers that can emit patterns of light using microlithographic technique, opening door to plastic LEDs in displays. The new technology has potential to replace silicon-based electronics with plastics.
The new Parkinson's disease drug pramipexole dihydrochloride has been shown to reduce symptoms by 20% in patients, with a more precise target on the specific dopamine receptor involved. The drug also appears to be better tolerated than current options, offering hope for improved treatment outcomes.
A $6.5-million study, the largest of its kind, aims to prevent deterioration in patients with Huntington's disease. The CARE-HD trial tests two treatments: experimental drug Remacemide and nutritional supplement CoQ10 to slow disease progression.
Researchers at the University of Rochester and UCLA have discovered a novel way to target HIV by genetically engineering a mutant tRNA primer that disrupts the virus's replication process. The approach, which has been patented, opens up new avenues for gene therapy in AIDS treatment.
Researchers Animesh Ray and Mitsu Ogihara built DNA logic gates using common lab techniques, marking the first step towards a DNA computer. These gates detect specific DNA fragments, splice them together, and provide output through precise measurement of new strand lengths.
Researchers found an unexpected orientation in space, measured through light polarization from distant galaxies. The 'corkscrew effect' indicates a universal axis that orients the universe.
Researchers have developed a new polymer-based LED that can change color with ease, making it suitable for flat-panel computer and television screens. The device outshines traditional materials in terms of brightness and efficiency, offering potential power savings in traffic lights.
A promising hepatitis-based gene therapy has been developed to target and eliminate liver cancer cells. The treatment, created by a team of physicians, recruits the body's immune system to attack and wipe out cancerous tumors.
Researchers at the University of Rochester are developing augmented reality technology that can seamlessly combine virtual and real-world images. This technology has numerous applications in medicine, entertainment, maintenance, and defense, including improved surgeries, enhanced soldier capabilities, and streamlined repairs.
A team from the University of Rochester Cancer Center has identified the protein PP1c that activates the retinoblastoma (RB) gene, a key tumor suppressor. This finding offers a new avenue for controlling cancer cell growth and potentially treating various types of cancer.
A ring-like molecule mimicking thymine's shape was inserted into DNA without hydrogen bonds, yet still accurately paired with adenine. This finding questions decades of dogma and suggests base shape is crucial for accurate DNA replication.
A team of researchers has made a promising discovery using gene therapy to protect dopamine-producing neurons in the brain from Parkinson's disease. The study found that injecting a modified virus carrying a specific gene into the brain led to improved neuron survival rates.
The vaccine aims to prevent HPV-related warts and cervical cancer in women, with 5,000 deaths occurring annually in the US. The study will verify safety and immune response, paving the way for a broader vaccine protecting against multiple HPV types.
Researchers at University of Rochester and NIH discover new HAT that plays critical role in transcription, providing strong evidence for chromatin-unfolding mechanism of gene activation. The finding has significant implications for understanding cell survival, proper development, and evolution.
Researchers at the University of Rochester have created a gene control technology that allows for permanent gene modification in adult mice. This breakthrough enables scientists to study nearly any gene in the nervous system with unprecedented control and precision.
Infants as young as 8 months can recognize word patterns and distinguish them from non-word sequences based on statistical recurrence. This ability allows them to quickly learn language, contradicting the long-held assumption that language acquisition relies heavily on innate abilities.
Engineers have successfully integrated a porous silicon light-emitting diode into conventional microelectronic circuitry, creating an all-silicon system that can process both light and electricity. The breakthrough strengthens the material to withstand manufacturing processes, making it more suitable for mass production.
Researchers at the University of Rochester have developed a new surgical semiconductor laser that can produce a unified beam with high power and precision. The laser's design makes it possible to achieve power levels of 6-12 watts, twice as much as current devices.
Researchers have invented a new digitally encoded plastic transparency to test the accuracy of ultrasound scanners. The new phantom is more accurate and works faster than current phantoms, which are cumbersome hand-built blocks made of various tissue-mimicking materials.
Scientists have discovered a unique organelle-like structure, dubbed the dumposome, which breaks down 15-20% of an organism's DNA during reproduction. This process is thought to be essential for streamlining genetic material and may be more common in other organisms than previously thought.
A team of researchers has found that most DNA mutations in yeast are caused by the activity of an enzyme called REV1. The enzyme helps cells evade quality control and can produce mutations when repairing damaged DNA, potentially leading to cancer.
A new computer program developed at the University of Rochester enables users to have natural conversations with computers. The program, Phenelope DuJour, uses intention recognition to understand user intent and respond accordingly, improving the efficiency of human-computer interactions.
A new DNA polymerase, dubbed zeta, allows yeast cells to replicate damaged DNA, increasing their odds of survival but also the risk of mutations. This enzyme is a last-gasp option for cells when all attempts to fix damaged DNA have failed, and its discovery sheds light on how organisms cope with this constant problem.