Universities and colleges

Universities and colleges

Detection of Telomerase Activity in High Concentration of Cell Lysates Using Primer-Modified Gold Nanoparticles

Researchers at the University of California have developed a modified telomeric repeat amplification protocol (TRAP) assay that allows for the detection of telomerase activity in complex, interferant-laced samples. This breakthrough has significant implications for cancer diagnosis and treatment. The new assay, which uses primer-modified gold nanoparticles, exhibits excellent sensitivity and

Universities and colleges

Three-Dimensional Photolithographic Patterning of Bioactive Ligands in Hydrogels for Biomimetic Applications

Scientists at Rice University have developed a new technique to create three-dimensional (3D) microenvironments in hydrogels, mimicking the complex physiological tissue environment. The use of two-photon absorption laser scanning lithography (TPA-LSL) allows for the precise patterning of bioactive signals in a 3D space, essential for cellular systems to respond physiologically.

Universities and colleges

Nanoscratch Characterization of GaN Epilayers Reveals Shear Resistance Variations on Sapphire Substrates

Researchers at National Chung Hsing University in Taichung, Taiwan, have conducted a study to analyze the nanotribological behavior and deformation characteristics of gallium nitride (GaN) epilayers grown on c- and a-axis sapphire substrates. The team used metal organic chemical vapor deposition to form the GaN epilayers and the nanoscratch technique

Universities and colleges

Improved Process for Preparing MWNTs/Polyester Thin Film Nanocomposite Membranes

Researchers in Shanghai, People's Republic of China, have developed an improved process for preparing MWNTs/polyester thin film nanocomposite membranes. This new process involves interfacial polymerization of trimesoyl chloride (TMC) and triethanolamine (TEOA) solution containing MWNTs, followed by immersing the support membrane into the organic phase. The improved

Universities and colleges

Green Lubricants with Enhanced Tribological Performance Show Promise for Industrial Applications

Recent research from the United States has found that green lubricants with enhanced tribological performance can be created by combining nano-scale, sub-micrometer, and micrometer-scale boric acid powder additives with canola oil. The study, led by M.R. Lovell and colleagues at the University of Wisconsin, discovered that lubricants containing nanoscale

Universities and colleges

Silver Nanoparticles Pose Toxic Risk to Human Health

Rapid growth in the production and application of nanoparticles, such as silver nanoparticles, has increased human exposure and potential health risks. These tiny particles, used in a wide range of commercial products, have been shown to be toxic to mammalian cells and can cause damage to genes, cell membranes, and

Universities and colleges

Nanogels Demonstrate Uptake and Migration Across Skin

Researchers from Cardiff University have conducted a groundbreaking study that provides the first empirical evidence of nanogels being taken up by and migrating across the skin. The team, led by N.A. Samah, used a surfactant-free emulsion polymerisation method to synthesize poly(N-isopropylacrylamide-copolymerized-acrylic acid) (poly(NIPAM-co-AAc)) and poly(N-isopropylacrylamide) (polyNIPAM)

Universities and colleges

Thermal Conductivity of Pure Silica Zeolite Thin Films

Researchers at the University of California have reported a groundbreaking study on the thermal conductivity of pure silica zeolite thin films. The study, published in the Journal of Applied Physics, reveals that the thermal conductivity of these films remains remarkably consistent despite variations in relative crystallinity, MEL nanoparticle size, and

Universities and colleges

Development of Azithromycin-PLGA Nanoparticles for Enhanced Antibacterial Activity

Scientists at Tabriz University of Medical Sciences have successfully formulated azithromycin-loaded poly(lactide-co-glycolide) (PLGA) nanoparticles with improved physicochemical properties and enhanced antimicrobial activity against Salmonella typhi. The researchers employed the nanoprecipitation technique to prepare the nanoparticles in three different ratios of drug to polymer, which significantly affected the physicochemical properties.

Universities and colleges

Biomimetic Oxidation Catalyst Shows Promise for Long-Term Relatively High Activity

Scientists at Uppsala University in Sweden have developed a biomimetic oxidation catalyst that can run for over 400 hours without showing signs of deactivation. The catalyst, composed of cobalt porphyrin units with thiol linkers grafted onto silicon wafers, was found to have a catalytic activity at least 10 times higher

Universities and colleges

Uncovering the Role of Caspase-8 Dimerization/Dissociation in Cell Death

Recent research from Ireland has revealed the crucial role of caspase-8 dimerization/dissociation balance in regulating cell death. The study, published in the Journal of Biological Chemistry, found that this balance potently suppresses the amplification of caspase responses, avoiding unwanted cell death. The researchers used in silico comparisons and global

Universities and colleges

New Insights into Cancer Immunotherapy: A-Galactosylceramide-Pulsed Dendritic Cell Therapy

Researchers at Chiba University in Japan have made new discoveries in cancer immunotherapy. A study published in Cancer Science found that patients with non-small-cell lung cancer (NSCLC) who received a-galactosylceramide-pulsed dendritic cell therapy experienced a prolonged overall survival time. The researchers identified two genes, LTB4DH and DPYSL3, as potential biomarkers