Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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Subject: search.filters.subject.Doping (additives)WoS Q: search.filters.wosQuartile.Q1

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  • Article
    Citation - WoS: 27
    Citation - Scopus: 29
    Optical Fibre Based Non-Enzymatic Glucose Sensing Over Cu2+-Doped Polyaniline Hybrid Matrix
    (Elsevier Ltd., 2017) Shukla, Sudheesh K.; Demir, Mustafa Muammer; Govender, Penny P.; Tiwari, Ashutosh; Shukla, S. K.
    The opto-chemical glucose sensing over cupric ion doped polyaniline (Cu+2/PANI) hybrid polymer matrix coated glass rod based optode has been demonstrated.Cu+2/PANI hybrid matrix was synthesized by in situ chemical polymerization of intrinsically functionalized aniline. Furthermore, developed optode has been explored for direct oxidisation of glucose on Cu+2/PANI hybrid matrix for non-enzymatic glucose sensing employing O-dianisidine indicator system. The proposed glucose sensor works well in range of 50 mg/dL–200 mg/dL with response time of 15 s in artificial as well as in biological samples along with 40 days of lifespan. © 2016 Elsevier B.V.
  • Article
    Citation - WoS: 19
    Citation - Scopus: 21
    Fundamental Mechanisms Responsible for the Temperature Coefficient of Resonant Frequency in Microwave Dielectric Ceramics
    (John Wiley and Sons Inc., 2017) Zhang, Shengke; Şahin, Hasan; Torun, Engin; Peeters, François M.; Martien, Dinesh; DaPron, Tyler; Dilley, Neil; Newman, Nathan
    The temperature coefficient of resonant frequency (τf) of a microwave resonator is determined by three materials parameters according to the following equation: τf=−(½ τε + ½ τμ + αL), where αL, τε, and τμ are defined as the linear temperature coefficients of the lattice constant, dielectric constant, and magnetic permeability, respectively. We have experimentally determined each of these parameters for Ba(Zn1/3Ta2/3)O3, 0.8 at.% Ni-doped Ba(Zn1/3Ta2/3)O3, and Ba(Ni1/3Ta2/3)O3 ceramics. These results, in combination with density functional theory calculations, have allowed us to develop a much improved understanding of the fundamental physical mechanisms responsible for the temperature coefficient of resonant frequency, τf.