Articles by Thamarasee Jeewandara
Phys.org / Extraordinarily transparent compact metallic metamaterials
In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles ...
Phys.org / Holographic imaging of electromagnetic fields using electron-light quantum interference
In conventional holography a photographic film can record the interference pattern of monochromatic light scattered from the object to be imaged with a reference beam of un-scattered light. Scientists can then illuminate ...
Phys.org / Single-atom nanozymes
Nanozymes are catalytic nanomaterials with enzyme-like characteristics that have attracted enormous recent research interest. The catalytic nanomaterials offer unique advantages of low cost, high stability, tunable catalytic ...
Phys.org / Generating multiphoton quantum states on silicon
In a recent study now published in Light: Science & Applications, Ming Zhang, Lan-Tian Feng and an interdisciplinary team of researchers at the departments of quantum information, quantum physics and modern optical instrumentation ...
Phys.org / Synthetic and living micropropellers support convection-enhanced nanoparticle transport
Nanoparticles (NPs) are a promising platform for drug delivery to treat a variety of diseases including cancer, cardiovascular disease and inflammation. Yet the efficiency of NP transfer to the diseased tissue of interest ...
Phys.org / Engineering artificial cell membranes to drive in situ fibrin hydrogel formation
Re-engineering the cell membrane for improved biofunction is an emerging, powerful tool in cell biology to develop next-generation cell therapies. The process can allow users to supplement cells with added therapeutic functionalities. ...
Phys.org / Phonon-mediated quantum state transfer and remote qubit entanglement
Quantum information platforms are based on qubits that talk to each other and photons (optical and microwave) are the carrier of choice—to date, to transfer quantum states between qubits. However, in some solid-state systems, ...
Phys.org / Engineering ECM-like fibers with bioactive silk for 3-D cell culture
Biological tissues are built when cells anchor to specific sites on a 3-D microfiber network in an extracellular matrix (ECM). Scientists are keen to recreate biological tissues in the lab using bioinspired tissue engineering ...
Phys.org / Stimulating the differentiation of bone precursors with organically modified hydroxyapatite (ormoHAP) nanospheres
Bioinspired materials mimic their natural counterparts for characteristic functionality in multidisciplinary applications forming a popular theme in biomaterials development. In bone tissue engineering, for instance, researchers ...
Phys.org / Developing a dual-gradient ultrafast biomimetic snapping hydrogel material
Bioinspired materials are designed and engineered to mimic the biological functions of nature; however fast actuation is an important but challenging task to recreate in the lab. In a recent study, Wenxin Fan and co-workers ...
Phys.org / Electron-phonon instability in graphene revealed by global and local noise probes
Understanding nonequilibrium phenomena to effectively control it is an outstanding challenge in science and engineering. In a recent study, Trond. I. Andersen and colleagues at the departments of physics, chemistry, materials ...
Phys.org / Nanoscale magnetic imaging of ferritin in a single cell
In life sciences, the ability to measure the distribution of biomolecules inside a cell in situ is an important investigative goal. Among a variety of techniques, scientists have used magnetic imaging (MI) based on the nitrogen ...
Phys.org / Folding an acoustic vortex on a flat holographic transducer to form miniaturized selective acoustic tweezers
Acoustic tweezers are based on focused acoustic vortices and hold promise to precisely manipulate microorganisms and cells from the millimeter scale down to the submicron scale, without contact, and with unprecedented selectivity ...
Phys.org / A next-generation triboelectric nanogenerator (TENG) to realize constant current from electrostatic breakdown
Scientists have dedicated intense work in recent years to convert environmental energy into electricity to meet the ongoing demands for a cleaner and more sustainable power source. Harvesting environmental mechanical energy ...
Phys.org / Therapeutics-on-a-chip (TOC): Manufacturing synthetic proteins for point-of-care therapeutics
Therapeutic proteins are protein-based drug candidates bioengineered in the lab for pharmaceutical and clinical applications. Based on their pharmacokinetics, the candidates can be divided into groups that (1) replace a defective ...
