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Nanotechnology Spotlights

Nanotechnology based drug delivery systems for nanomedicine

nanococoonDevelopment of an effective approach for delivering a new drug is as important as inventing a new drug. Even if a developed new drug has excellent pharmacokinetic and therapeutic properties, it shows its potential activity in the body effectively only when it is exactly targeted to specific molecules. Various nanotechnological approaches for effective drug delivery have been developed and some of them have already been successfully...

Sep 18, 2018

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2D material produces highest ever signals for human embryonic stem cell detection

stem-cellsResearchers have developed a way to achieve an ultra-high bioelectric signal from human embryonic stem cells using direct current-voltage measurements facilitated by few-layered 2D molybdenum disulfide sheets. This method, which produces cell signals 2 orders of magnitude higher than previous electrical-based detection methods, paves the way for the development of a broadly applicable, fast, and damage-free stem cell detection...

Sep 17, 2018

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The rise of phosphorene analogue optoelectronic materials

phosphoreneBlack phosphorus (BP or phosphorene), a novel two-dimensional semiconducting material, has gained tremendous attention because of its intriguing properties, such as ON/OFF ratio, high carrier mobility, and tunable direct band. However, a fundamental obstacle hindering practical applications is the lack of stability under ambient conditions. Now researchers demonstrated both excellent photoelectrochemical performance and significantly...

Sep 13, 2018

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Cooling in color

passive-radiative-coolingRecently developed concepts in photonic designs and meta- and nanomaterials have improved the effectiveness of passive radiative coolers that function in the daytime. Whereas all of these radiative coolers are white or silver in color, researchers have now presented concepts and strategies for daytime radiative cooling systems that offer aesthetically desirable colors and patterns. These device not only emit infrared waves...

Sep 06, 2018

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Ion generation and ion trapping in liquid crystals by means of nanomaterials

LCD-screensThe reorientation of elongated liquid crystalline molecules under the action of the applied electric field is a major physical effect enabling the use of liquid crystals in a variety of applications. To improve liquid crystal devices, new liquid crystal-forming materials are required. Recently, by merging liquid crystals and nanotechnology, a new, non-synthetic way to produce advanced liquid crystal materials was proposed....

Sep 04, 2018

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Graphene applications for bioelectronics and neuroprosthetics

graphene-bionicsGraphene bioelectronics has become a ground-breaking field that offers exciting opportunities for developing new kinds of sensors capable of establishing outstanding interfaces with soft tissue. Graphene-based transistors, as well as electrode arrays, have emerged as a special group of biosensors with their own peculiarities, advantages and drawbacks. A new review present sa comprehensive overview of the use of graphene for...

Sep 03, 2018

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Nanotechnology makes for better hair care products and textile microfibers

clay-nanotubesNanotechnology researchers now have developed a natural and non-damaging hair surface engineering technique for making hair coloring formulations that do not use any chemical reactions but instead relies only on physical forces acting at a very close range. The same surface engineering approach is applicable to textile microfiber modifications because natural textiles like like wool, silk, cellulose, but also biomimetic synthetic...

Aug 30, 2018

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Crystalline structure 'a la carte' - Laser-assisted photoactivation of TiO2 films at room temperature and ambient air

crystalline_nanostructureAchieving high-quality crystalline TiO2 films at room-temperature remains one of today's most important technical challenges toward low-cost optoelectronic devices including photovoltaic cells and photocatalytic device architectures. A research team has now demonstrated a simple method for triggering the crystallization of a TiO2 sol-gel precursor at low-energies. With this technique, it is now possible to achieve 90% crystallinity...

Aug 23, 2018

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Novel tissue engineering scaffolds fabricated via controlled ice crystallization

nanofibersBy employing 3D scaffolds with both aligned nanofibers and aligned interconnected macrochannels, researchers have taken a nanotechnology-based tissue engineering approach to accelerate the regeneration and repair of damaged tissues at the wound site by directing cells and tissues to grow towards the target site. Their hope is that this leads to the development of affordable and functional biodegradable wound dressings for...

Aug 16, 2018

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