Articles by Thamarasee Jeewandara
Phys.org / Iron selenide quantum dots for in vivo multiphoton biomedical imaging
Photoluminescent probes with high biocompatibility, quantum yield and multiphoton absorption performance are of significant interest in biomedical imaging, expected to achieve improved penetration depth and spatial resolution. ...
Phys.org / A skin-like 2-D pixelized full-color quantum dot photodetector
Full-color photodetectors that can convert light to electric signals without sophisticated color filters and interferometric optics have gained considerable attention for widespread applications. However, technical challenges ...
Phys.org / Plasma ionization-based 3-D titania nanofiber-like webs to enhance bioreactivity and osteoconductivity of biomaterials
In a new study published on Scientific Reports, Mohammad-Hossein Beigi and a research team in the departments of Engineering and Applied Science and Cellular Biotechnology in Canada and Iran described a new method to form ...
Phys.org / Shape-programmable dielectric liquid crystal elastomer actuators
Materials scientists aim to use bioinspired soft robots to carry out advanced interactions between humans and robots, but the associated technology remains to be developed. For example, soft actuators must perform quickly ...
Phys.org / The direct observation of van der Waals stacking-dependent interlayer magnetism
Materials scientists aim to control the crystal structure of a solid—in a powerful approach to manipulate their fundamental properties. Researchers can achieve this control in van der Waals (vDW) materials by modifying the ...
Phys.org / Cardiac imaging with 3-D cellular resolution using few-mode interferometry to diagnose coronary artery disease
A new imaging technique developed by Biwei Yin and interdisciplinary researchers at the Massachusetts General Hospital and Harvard Medical School in the U.S., provides resolution at the subcellular-level to image the heart's ...
Phys.org / Natural van der Waals heterostructural single crystals with magnetic and topological properties
Heterostructures with magnetism and topology (geometry) are promising materials to realize exotic topological quantum states. However, such materials are challenging to engineer or synthesize. In a new report on Science Advances, ...
Phys.org / Fast surface dynamics enabled cold joining of metallic glasses
Materials scientists and engineers aim to design and develop bulk metallic glasses (BMGs) with excellent properties. The main technical challenge is to scale up their size and improve the material properties in the lab. Now ...
Phys.org / Determining topographical radiation dose profiles using gel nanosensors
The routine measurement of radiation doses can be clinically challenging due to limitations with conventional dosimeters used to measure the dose uptake of external ionizing radiation. In a new study, Karthik Pushpavanam ...
Phys.org / A deep learning-based model DeepSpCas9 to predict SpCas9 activity
In a new report on Science Advances, Hui Kwon Kim and interdisciplinary researchers at the departments of Pharmacology, Electrical and Computer Engineering, Medical Sciences, Nanomedicine and Bioinformatics in the Republic ...
Phys.org / Machine learning-assisted molecular design for high-performance organic photovoltaic materials
To synthesize high-performance materials for organic photovoltaics (OPVs) that convert solar radiation into direct current, materials scientists must meaningfully establish the relationship between chemical structures and ...
Phys.org / A single-digit-micrometer thickness wood speaker
In a recent report on Nature Communications, Wentao Gan and a team of researchers at the departments of materials science and engineering in the U.S. have detailed the use of an ultrathin film of natural wood to create an ...
Phys.org / Stretchable, self-healing and semiconducting polymer films for electronic skin (e-skin)
Next-generation polymers developed in the lab must become stretchable and self-healing to form novel skin-like sensory devices to meet the demands of futuristic electronic skin applications. Although researchers have made ...
Phys.org / Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex
The existing notion that soft tissue architectures and native proteins can be preserved across geological time is controversial since methods of such preservation remain to be investigated and well-defined. In a new study, ...
Phys.org / Smart metamaterials that sense and reprogram themselves
Materials scientists aim to engineer intelligence into the fabric of materials or metamaterials for programmable functions. Engineering efforts can vary from passive to active forms to develop programmable metasurfaces using ...
