Search by tag «Nanoparticles» 36 results

  • ITMO Researchers Develop New Method of Magnetite Nanoparticle Synthesis

    Scientists from SCAMT Institute have devised a way to produce nanoparticles of iron oxides (magnetite, hematite, maghemite) using water-alcohol synthesis, as well as modify their color, size, and functional properties. The synthesized substances are used in production of memristor devices. In the future, magnetite nanoparticles could potentially be used in the treatment of neurocognitive diseases.

    14.01.2022

  • ITMO Researchers Develop Special Ink For Anti-Counterfeiting Protection

    Scientists from ITMO University, Bauman Moscow State Technical University, and the University of Toronto have developed a gel ink that emits light when exposed to monochromatic radiation of various wavelengths. This makes it possible to create complex images when applying tags to products – the scientists believe that the level of anti-counterfeiting protection offered by their invention is much higher than that of the existing counterparts. The research received support from a Russian Science Foundation and the Ministry of Science and Higher Education grant.

    08.10.2021

  • ITMO Scientists Discover Nonlinear Circular Dichroism in Mie-Resonant Nanoparticle Dimers

    The discovered effect may potentially be used to create special sensors for chiral molecules. These molecules are particularly useful to the pharmaceutical industry, but have a unique structure that makes them difficult to detect. The related article was published in Nano Letters.

    07.07.2021

  • Cutting Perovskite: Scientists Succeed in Shaping Microscopic Monocrystals Without Loss of Quality

    A research team that includes staff members of ITMO University has suggested a new method of processing miniature perovskite fragments. The method is cheap and makes it possible to fashion microcrystals into desired shapes for use in production of lenses and other optoelectronic elements. This will help bring about the material’s widespread adoption within the industry. A paper on the research was published in Laser & Photonics Reviews.

    24.06.2021

  • Picture of the Week: Hollow Copper Nanocapsule

    ITMO scientists proposed a simple and affordable method for producing such nanocapsules from various metals. These particles have potential applications in catalysis and biomedicine.

    15.03.2021

  • ITMO Researchers Develop Method for Production of Hollow Nanoparticles From Liquid Metal

    Hollow nanocapsules are widely used for various purposes: from targeted drug delivery to catalytic reactions in petrochemistry. An article on the method was published in Chemistry of Materials.

    03.03.2021

  • Gold Changes Light: Scientists Find Optimal Nanoparticle Shape for Controlling Color

    Researchers from Far Eastern Federal University and ITMO University optimized earlier produced gold nanoparticles in such a way that they control the wavelength of light in an optimal manner. The research can be used for creating cheap and high-precision gas analysers. The article was published in Applied Physics Letters.

    18.08.2020

  • Reject All Labels: ITMO Master’s Student Finds Way to Make PET Plastic Production Eco-Friendly

    Ulyana Gabysheva, a graduate of the Laser Micro- and Nanotechnologies Bachelor’s program, has joined forces with a major PET plastic bottle manufacturer to develop a laser engraving method that will make it possible to abandon the use of labels and increase the effectiveness of the plastic recycling process.

    13.08.2020

  • ITMO Physicists Discover Way to Achieve Stimulated Raman Scattering in Isolated Silicon Nanoparticles

    An optimized design of silicon nanoparticles provides а more efficient transition from spontaneous to stimulated Raman scattering. The proposed approach also allowed researchers to reduce the size and volume of particles supporting the stimulated Raman scattering regime by tens of times compared to their existing counterparts. The researchers also designed a platform in the form of a silicon nanoparticle on a sapphire surface that can be applied in sensing, detection, and thermometry, opening up new opportunities for future applications in biomedicine, targeted drug delivery, and as an alternative to electronic devices in optical chips. The results of the research were published in Nano Letters.

    03.08.2020

  • Scientists Suggest Using Gold Nanoparticle Metasurfaces to Determine Substance Molecular Composition

    This will make it possible to create compact devices that will accurately determine molecular composition of a liquid or gas, and help identify potentially dangerous chemical compounds. The results of the work carried out by researchers from ITMO University and Ben-Gurion University of the Negev, Israel have been published in Nanomaterials.

    21.07.2020