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Nanotechnology Spotlights

Enhancing radiation therapy with nanotechnology

radiation_therapyA look at the emerging roles of nanotechnology in the rapidly evolving domain of modern/future radiation therapy. In an effort to devise novel and more effective anticancer regimes, a rapidly growing community of researchers is applying the unique properties of nanomaterials to combat the unmet challenges posed by classical radiation therapy - which has become one of the most effective and frequently applied cancer therapies....

Posted: Jun 22, 2017

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Dendrimer nanomedicine - developing efficient therapeutic strategies for the treatment of neurological disorders

dendrimerDendrimers have emerged as a powerful class of nanomaterials in nanomedicine due to their unique structural features: globular, well-defined, highly branched and controllable nanostructures where the presence of several terminal groups can be functionalized with different ligands simulating the multivalency present in different biological systems. A recent review article identifies the currently existing dendritic systems...

Posted: Jun 21, 2017

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Self-propelled swimming nanodiamonds for biological applications

nanodiamondsSometimes nanoscale diamonds contain a specific type of impurity: a single nitrogen atom where a carbon atom should be, with an empty space right next to it, resulting from a second missing carbon atom. This nitrogen-vacancy (NV) impurity gives each nanodiamond special optical and electromagnetic properties. Nitrogen vacancy centers in nanodiamonds require a method to manipulate their electron spin orientations physically....

Posted: Jun 20, 2017

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Moisture enhances ammonia sensitivity of carbon nanotubes

carbon_nanotubesIn spite of the numerous research efforts regarding the development of miniaturized, low-cost, and highly sensitive sensors based on different organic and semiconducting materials, carbon nanotubes still remain the most promising ones. An international team of researchers has now developed a simple way for fabrication and operation of carbon nanotube-based chemical sensors. The sensor consists of carboxylated single-walled...

Posted: Jun 19, 2017

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Capturing carbon dioxide and storing methane with metal-organic frameworks

metal-organic-framworkMetal-organic frameworks (MOFs) are well-ordered, lattice-like crystals. The nodes of the lattices are metals, which are connected by organic molecules. The most impressive features of MOFs are their extremely high surface area, high porosity, and tunable pore sizes, which are remarkable advantages over other porous materials (e.g., zeolites and carbons). With their special structure and large surface area, MOFs open up new...

Posted: Jun 15, 2017

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Current state of fabricating molecular electronics

molecular_electronicsSince the early days of molecular electronics, tremendous progress has been achieved both theoretically and experimentally by scientists and engineers who were fascinated by intriguing physical, chemical phenomena, and potential device applications of molecular junctions. In a recent paper, scientists review recent experimental efforts for pursuing high-yield functional molecular devices, in which a bundle of molecules (the...

Posted: Jun 14, 2017

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Nanotechnology in healthcare

nanomedicineNanotechnology is becoming a crucial driving force behind innovation in medicine and healthcare, with a range of advances including nanoscale therapeutics, biosensors, implantable devices, drug delivery systems, and imaging technologies. This article provides a comprehensive overview of healthcare advances that may be possible through nanotechnology, ranging from fitness monitoring, prevention, diagnosis to therapy, and everything...

Posted: Jun 13, 2017

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Accurate simulations at the nanoscale depend on choosing appropriate interatomic potentials

cubic_nanostructureThe robustness, accuracy, and validity of an atomistic simulations hinge on the appropriate choice of force fields. Force fields are key for modeling the interaction between atoms of a matter under study, and the challenge is to have an accurate force field working for any specific material at any desired temperature. To serve this objective and make a benchmark as well as a shortcut for users to find their best force fields,...

Posted: Jun 12, 2017

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