Перегляд за автором "Chegel, V.I."

Сортувати за: Порядок: Результатів:

  • Factor of interfacial potential for the surface plasmon-polariton resonance sensor response 
    Lopatynskyi, A.M.; Lopatynska, O.G.; Poperenko, L.V.; Chegel, V.I.; Guiver, M.D. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2008)
    In this work, we investigate how the application of an external potential difference to the sensitive gold-electrolyte interface influences the optical response of a sensor based on the surface plasmon-polariton resonance ...
  • Gold and colloidal gold surface influence on dna conformational change 
    Dovbeshko, G.I.; Gnatyuk, O.P.; Chegel, V.I.; Shirshov, Y.M.; Kosenkov, D.V.; Andreev, E.A.; Tajmir-Riahi, H.A.; Lytvyn, P.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    DNA conformational changes caused by gold and colloidal gold surface have been studied by surface enhanced infrared spectroscopy (SEIRA), spectroscopy of plasmon resonance (SPR), atomic force microscopy (AFM) and principal ...
  • Localized surface plasmon resonance in Au nanoprisms on glass substrates 
    Lopatynska, O.G.; Lopatynskyi, A.M.; Borodinova, T.I.; Chegel, V.I.; Poperenko, L.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)
    Metal nanocrystals are actual objects for the modern biophysics mainly because of their usage in sensors based on localized surface plasmon resonance (LSPR) and as active substrates for surface-enhanced spectroscopies. ...
  • Plasmon-enhanced fluorometry based on gold nanostructure arrays. Method and device 
    Chegel, V.I.; Lytvyn, V.K.; Lopatynskyi, A.M.; Shepeliavyi, P.E.; Lytvyn, O.S.; Goltvyanskyi, Yu.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)
    In this work, we describe a method of surface-enhanced fluorometry, based on the phenomenon of localized surface plasmon resonance in unordered gold nanostructure arrays. The theoretical approach for the model system “gold ...
  • Smart nanocarriers for drug delivery: controllable LSPR tuning 
    Lopatynskyi, A.M.; Lytvyn, V.K.; Mogylnyi, I.V.; Rachkov, O.E.; Soldatkin, O.P.; Chegel, V.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2016)
    Gold nanostructures are considered as a potential platform for building smart nanocarriers that will form the basis of novel methods of targeted delivery and controlled release of drugs. However, to ensure maximum efficiency ...
  • Surface enhanced infrared absorption of nucleic acids on gold substrate 
    Dovbeshko, G.I.; Chegel, V.I.; Gridina, N.Y.; Repnytska, O.P.; Shirshov, Y.M.; Tryndiak, V.P.; Todor, I.M.; Zynio, S.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2001)
    Data on surface enhanced infrared absorption (SEIRA) of nucleic acids deposited on the metal surface have been obtained in the experiment in FTIR reflectance mode. As metal surface, we used Au of 200-500 Е thickness on ...
  • Surface plasmon resonance investigation of DNA hybridization on a sensor surface using gold nanoparticles modified by specific oligonucleotides 
    Matsishin, M.J.; Kucherov, A.I.; Ushenin, Iu.V.; Lyapin, A.M.; Lopatynskyi, A.M.; Chegel, V.I.; Rachkov, A.E. (Вiopolymers and Cell, 2017)
    Aim. To investigate an influence of the oligonucleotide concentration on their immobilization on the surface of gold nanoparticles (AuNPs), and to study interactions between the AuNPs modified by various oligonucleotides ...
  • The enhancement of optical processes near rough surface of metals 
    Dovbeshko, G.I.; Fesenko, O.M.; Shirshov, Yu.M.; Chegel, V.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    Last decades the enhancement of optical transitions near metal surface was observed under study the optical processes (luminescence, Raman scattering, IR absorption). The effect consists in an essential increase of the ...