Scientists
Researchers at Peking University have discovered a novel method of modulating Raman scattering intensities of molecules on graphene by adjusting the graphene Fermi level with electrical field effect. They found that applying a positive or negative gate voltage to the graphene resulted in weakening or strengthening of Raman intensities for
Scientists
Surface modification of nanosized alumina particles using gamma-aminopropyl triethoxysilane significantly improves their dispersion in polymer and enhances the properties of polymer nanocomposites, according to a study published in the journal Advanced Composite Materials. Researchers from the Technical University of Munich found that the modified alumina particles exhibit improved mechanical behavior,
Scientists
Researchers in Shanghai, People's Republic of China, have made significant findings on the effectiveness of bevacizumab in combination with chemotherapy for treating T-leukemia/lymphoma. The study, led by L. Wang and colleagues from Shanghai Jiao Tong University School of Medicine, demonstrated that bevacizumab enhances the chemotherapeutic effect on
Scientists
A phase 2 trial has demonstrated the efficacy of romidepsin, a histone deacetylase inhibitor, in treating peripheral T-cell lymphoma (PTCL). The study, conducted by the Cancer Therapy Evaluation Program, enrolled 47 patients with various subtypes of PTCL, including those who had undergone stem-cell transplant. The results showed that 38% of
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Scientists at the University of Porto have uncovered the crucial role of alumina barrier layer thickness in promoting the growth of Ni nanowires within porous anodic alumina templates. By fine-tuning the anodization process, researchers were able to achieve optimal growth conditions, resulting in a Ni pore filling percentage of nearly
Scientists
Researchers from Kangwon National University have developed a new composite separator for lithium-ion batteries by introducing ceramic coating layers onto both sides of a polyethylene (PE) separator. The ceramic coating layers are comprised of SiO2 nanoparticles and polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) binders. This innovative design offers significant improvements in thermal shrinkage
Scientists
A team of scientists in Blacksburg, Virginia has found that teaching Aristotle's Politics 4.1 in introductory courses on political theory can be a valuable pedagogical approach. According to A.L. Shuster and colleagues from the Virginia Polytechnic Institute and State University, this chapter provides an interpretive key
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Scientists at the American Cancer Society in Atlanta, Georgia, have made a significant discovery in the study of Chlorella virus DNA ligase (ChVLig), a minimized eukaryal ATP-dependent DNA sealing enzyme with an intrinsic nick-sensing function. Through a structure-guided mutational analysis, the researchers identified seven essential amino acids in the OB
Scientists
Researchers at Osaka University in Japan have employed ab-initio calculation based on density functional theory to study the nitrogen monoxide (NO) adsorption on platinum tetramer (Pt-4) clusters supported on gamma alumina (gamma-Al2O3) with a surface index of (111). The study found that the adsorption of Pt-4 on gamma-Al2O3(111) surface
Scientists
Scientists have successfully demonstrated the ability to control reversible chemical reactions between C-60 molecules using a scanning tunneling microscope (STM). This study, published in the Journal of Nanoscience and Nanotechnology, utilizes STM to induce polymerization and depolymerization reactions at specific positions within ultrathin films of C-60 molecules. The researchers found
Scientists
Scientists at Massachusetts Institute of Technology have developed a novel design approach for direct-drive linear permanent-magnet motors, with a focus on applications in flapping-wing robots. The researchers have created a quantitative analytical modeling framework to produce motors with force densities and efficiencies comparable to those of biological muscles. They have
Scientists
Researchers at Virginia Polytechnic Institute and State University have successfully fabricated porous anodic aluminum oxide with Moire patterns, featuring a wide range of interpore distances and area-specific pore densities. By overlapping two periodic patterns using focused ion beam patterning, the team created concave arrays that guided subsequent anodization and produced
