Articles by Thamarasee Jeewandara
Phys.org / Designing a freestanding, supercharged polypeptide proton-conducting membrane
Protons are subatomic particles with a positive electric charge. Proton translocation plays a significant role in natural phenomena and manmade technologies. But it remains challenging to control proton conduction and fabrication ...
Tech Xplore / Self-powered user-interactive electronic skin for programmable touch operation
User-interactive electronic skin can map the sense of touch through electronic readouts to provide visual output as a readable response. However, the high power consumption, complex structure and high cost of electronic skin ...
Medical Xpress / Interaction dynamics between designer microrobots and the immune system
Mobile medical microrobots can now be engineered in the lab for broad ranging applications from personalized disease treatment to targeted drug delivery. During their structural design, bioengineers aim to minimize physical ...
Phys.org / Active-matrix organic light-emitting diode display on human skin
The development of electronic applications can take on many new forms to include foldable and wearable displays to monitor human health and act as medical robots. Such devices rely on organic-light emitting diodes (OLEDs) ...
Phys.org / Self-emitted surface corrugations in dynamic fracture of silicon single crystal
When a dynamic crack propagates through material heterogeneities (material differences), elastic waves are emitted to disturb the crack and change the morphology of the fracture surface. When a crack propagates along preferential ...
Phys.org / A new strategy to synthesize 2-D inorganic materials used in capacitors, batteries, and composites
Surface functional groups in two dimensional (2-D) transition-metal carbides can undergo versatile chemical transformations to facilitate a broad class of MXene materials. In a new report on Science, Vladislav Kamysbayev, ...
Phys.org / Long-term heat-storage ceramics absorbing thermal energy from hot water
Approximately seventy percent of the thermal energy generated in thermal and nuclear power plants is lost as waste heat, with a temperature below the boiling point of water. In a recent report on Science Advances, Yoshitaka ...
Phys.org / Capacitance of thin films containing polymerized ionic liquids
Electrode-polymer interfaces can dictate properties of thin films including their capacitance, electric field, and charge transport, but scientists remain to fully comprehend their interfacial dynamics. In a new report on ...
Medical Xpress / Four-dimensional physiologically adaptive cardiac patch
Bioengineers have considerably advanced cardiac scaffold engineering techniques to treat myocardial infarction, a form of cardiovascular disease and the leading cause of morbidity and mortality worldwide. However, it is still ...
Tech Xplore / Researchers develop soft electromagnetic actuators with medical potential
Rigid electromagnetic actuators have a variety of applications, but their bulky nature limits human-actuator integration or machine-human collaborations. In a new report on Science Advances, Guoyong Mao and a team of scientists ...
Phys.org / Programming van der Waals interactions with complex symmetries into microparticles using liquid crystallinity
Versatile approaches to engineer asymmetric van der Waals interactions can expand the palette of materials development through bottom-up engineering processes. In a new study, H.A. Fuster and a research team in chemical and ...
Phys.org / Structural evidence for a dynamic metallocofactor during dinitrogen reduction by Mo-nitrogenase
The enzyme nitrogenase is a biological catalyst that can reduce dinitrogen (N2) to ammonia in the presence of a suite of complex metallocofactors. However, the mechanistic details of the reaction remain scarce. In a new report ...
Phys.org / A Rubik's microfluidic cube
Scientists have recently engineered a modular system based on the Rubik's cube to design and reconfigure microfluidic systems. Research teams had previously pursued the arrangement of microfluidic blocks in diverse conformations ...
Phys.org / Marangoni flows drive the alignment of fibrillar cell-laden hydrogels
When a stationary droplet containing a solute in a volatile solvent evaporates, the flow in the droplet can assemble into complex patterns. Researchers have examined such transport in evaporating sessile droplets in solvents. ...
Phys.org / Transferring orbital angular momentum of light to plasmonic excitations in metamaterials
The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with OAM provides intriguing opportunities ...