Articles by Thamarasee Jeewandara
Phys.org / Spider dragline silk as torsional actuator driven by humidity for applications as artificial muscle
Spider silk is a self-assembling biopolymer with hydrogen bonds underlying its chemical structure, yet despite weak chemical bonding it outperforms most materials relative to mechanical performance. The biopolymer is produced ...
Phys.org / Nano-bio-computing lipid nanotablet
Nanoparticles can be used as substrates for computation, with algorithmic and autonomous control of their unique properties. However, scalable architecture to form nanoparticle-based computing systems is lacking at present. ...
Phys.org / Biofunctionalized ceramics for cranial bone defect repair – in vivo study
Advances in materials science and production technology have enabled bone tissue engineering (BTE) strategies that generate complex scaffolds with controlled architecture for bone repair. The novel biomaterials can be further ...
Phys.org / Semi-flexible model-based analysis of cell adhesion to hydrogels
Hydrogels are commonly used as biomaterials for applications in biomedicine due to their biocompatibility. However, the relationship between biological cells and the hydrogel surface is still unclear and the existing parameters ...
Medical Xpress / Smart bone plates can monitor fracture healing
Bone tissue engineering (BTE) is an evolving field at the intersection of materials science and bioengineering, focused on the development of bone substitute materials and diagnostic methods in orthopedics. At present, physicians ...
Phys.org / Engineering wave reflections with power flow-conformal metamirrors
Metasurfaces are two-dimensional (2-D) metamaterials that can control scattering waves of a light beam. Their applications include thin-sheet polarizers, beam splitters, beam steerers and lenses. These structures can control ...
Phys.org / Sculpting stable structures in pure liquids
Oscillating flow and light pulses can be used to create reconfigurable architecture in liquid crystals. Materials scientists can carefully engineer concerted microfluidic flows and localized optothermal fields to achieve ...
Phys.org / Implementing a practical quantum secure direct communication system
Quantum secure direct communication (QSDC) is an important branch of quantum communication, based on the principles of quantum mechanics for the direct transmission of classified information. While recent proof-of-principle ...
Phys.org / Skin wound regeneration with bioactive glass-gold nanoparticles ointment
Healing is a complex process in adult skin impairments, requiring collaborative biochemical processes for onsite repair. Diverse cell types (macrophages, leukocytes, mast cells) contribute to the associated phases of proliferation, ...
Phys.org / Multimaterial 3-D laser microprinting using an integrated microfluidic system
Complex, three-dimensional (3-D) structures are regularly constructed using a reliable commercial method of 3-D laser micro- and nanoprinting. In a recent study, Frederik Mayer and co-workers in Germany and Australia have ...
Phys.org / Anti-fatigue-fracture hydrogels
Hydrogels are polymer networks infiltrated with water, widely used for tissue engineering vehicles of drug delivery and novel platforms for biomedical engineering. Emerging applications for new hydrogel materials call for ...
Phys.org / Bioplotting bone-mimetic 3-D tissue scaffolds with osteogenic effects
In bone tissue engineering (BTE), 3-D printing is a reliable and customizable method used to repair bone defects by producing biomimetic tissue scaffolds. In a recent study published online on Tissue Engineering Part A (Mary ...
Phys.org / Programmable transparent organic luminescent tags–writing with light
Luminescent emission in the form of phosphorescence commonly occurs in daily life as a result of a quantum mechanically small transition probability. A luminescent emission lifetime can last from microseconds to several hours. ...
Phys.org / Optical coherence tomography (OCT) – longer wavelengths can improve imaging depths
Optical coherence tomography (OCT) is a light-based imaging technique currently used in clinical diagnostics to examine organs in vivo. The technique uses interferometry; in which light reflected from an examined object combines ...
Phys.org / Biophotonics: In situ printing liquid superlenses to image butterfly wings and nanobiostructures
Nanostructures and natural patterns have long fascinated researchers in bioinspired materials engineering. Biological samples can be imaged and observed at the nanoscale using sophisticated analytical tools in materials science, ...
