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Browsing Kimya / Chemistry by Author "Tuna, Murat"

Now showing items 1-15 of 15

A novel ANN-based four-dimensional two-disk hyperchaotic dynamical system, bifurcation analysis, circuit realisation and FPGA-based TRNG implementation

Sundarapandian Vaidyanathan; Pehlivan, İhsan; Leutcho Gervais Dolvis; Kengne Jacques; Murat Alcin; Tuna, Murat; Ismail Koyuncu (INDERSCIENCE ENTERPRISES LTD, 2020)

This paper describes the modelling, bifurcation analysis, circuit realisation and FPGA implementation of a novel ANN-based four-dimensional two-disk dynamical system exhibiting hyperchaos and hidden attractor. This paper ...
A novel high speed Artificial Neural Network-based chaotic True Random Number Generator on Field Programmable Gate Array

Murat Alcin; Ismail Koyuncu; Tuna, Murat; Varan, Metin; Pehlivan, İhsan (WILEY, 2019)

It is well observed that cryptographic applications have great challenges in guaranteeing high security as well as high throughput. Artificial neural network (ANN)-based chaotic true random number generator (TRNG) structure ...
High speed FPGA-based chaotic oscillator design

Tuna, Murat; Murat Alcin; Ismail Koyuncu; Can Bulent Fidan; Pehlivan, İhsan (ELSEVIER SCIENCE BV, 2019)

In this study, autonomous Lu-Chen (2002) chaotic system has been implemented on FPGA using Heun numerical algorithm in VHDL 32-bit IQ-Math fixed-point number format for developing embedded chaos-based engineering applications. ...
Investigation on Effects of Schiff Base Complex to Hydroxyapatite Bioceramics

Çalışkan, Fatih; Tuna, Murat (POLISH ACAD SCIENCES INST PHYSICS, 2015)

The aim of this study was to evaluate the effects of Schiff base metal complex on the bio-compatible hydroxyapatite (HAp) ceramics. The reason for that was to produce, as the final product, the HAp in powder form, with ...
Non-ionic peripherally substituted soluble phthalocyanines: Synthesis characterization and investigation of their solution properties

Yıldız, Salih Zeki; Tuna, Murat (2014)
Reactions of cyclochlorotriphosphazatriene with 2-mercaptoethanol. Calorimetric and spectroscopic investigations of the derived products

Sedat Ture; Rafig Gurbanov; Tuna, Murat (TAYLOR & FRANCIS LTD, 2018)

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Real Time Hardware Implementation of the 3D Chaotic Oscillator which having Golden-Section Equilibra

Tuna, Murat; Can Bulent Fidan; Ismail Koyuncu; Pehlivan, İhsan (IEEE, 2016)

In this study, the continuous-time, autonomous, 3D chaotic system having golden-section equilibra which is recently presented in the literature is implemented firstly as discrete time on an FPGA. In this design, the 3D ...
Real-time high-speed 5-D hyperchaotic Lorenz system on FPGA

Ismail Koyuncu; Murat Alcin; Tuna, Murat; Pehlivan, İhsan; Varan, Metin; Sundarapandian Vaidyanathan (INDERSCIENCE ENTERPRISES LTD, 2019)

Chaotic systems have several engineering applications such as cryptology, random number generators, image processing and secure communication. A basic structure used in these studies is a chaotic oscillator design that ...
Reinvestigations of the reactions of hexachlorocyclotriphosphazene with difunctional primary amines leading to novel dangler, ansa and bridged derivatives. Spectroscopic studies of the derived products

Sedat Ture; Hulya Silah; Tuna, Murat (ELSEVIER, 2020)

In an extension of the research on the nucleophilic substitution reactions of hexachlorocyclotriphosphazene (1) with linear aliphatic primary diamines, NH2-(CH2)(n) -NH2 (n = 3, 5, 6 and 8) are surveyed. In the presence ...
Signal Processing and Communications Applications Conference

Ismail Koyuncu; Çetin, Özdemir; Ferzan Katircioglu; Tuna, Murat (IEEE, 2015)

Image processing can be defined as analysis of the images consists of the several steps. The edge detection process that is one of these steps can be performed using a variety of operators. Sobel edge detection operator, ...
Signal Processing and Communications Applications Conference

Tuna, Murat; Ismail Koyuncu; Can Bulent Fidan; Pehlivan, İhsan (IEEE, 2015)

In this study, a new continuous-time autonomous chaotic system has been presented and implemented on FPGA. Presented a new chaotic system has been designed using the IEEE 754-1985 floating-point format and implemented using ...
Synthesis and characterization of novel flavonoid-substituted phthalocyanines using (+/-)naringenin

Yıldız, Salih Zeki; Küçükislamoğlu, Mustafa; Tuna, Murat (ELSEVIER SCIENCE SA, 2009)

In this study, novel unsymmetrical mono- and di-substituted metal free and metallo phthalocyanines containing peripheral naringeninoxy moieties have been prepared. The naringenin-substituted phthalonitrile was synthesized ...
Synthesis and characterization of two-armed poly(epsilon-caprolactone) polymers initiated by the Schiff's base complexes of copper(II) and nickel(II)

Yıldız, Salih Zeki; Tuna, Murat (ELSEVIER SCIENCE SA, 2010)

Two-armed poly(epsilon-caprolactone) (TAPCL) polymers were successfully synthesized via the ring opening polymerization (ROP) of epsilon-caprolactone (epsilon-CL) using the Schiff's base complexes [Cu(SAEE)(2)] (1) and ...
Synthesis, characterization, and determination of genotoxic effect of a novel dimeric 8-hydroxyquinoline Cd(II) SCN complex

Tunca, Hatice; Berber, Ahmet Ali; Kubra Canakci; Tuna, Murat; Yıldız, Salih Zeki; Aksoy, Hüseyin (TAYLOR & FRANCIS LTD, 2017)

In this study, a Cd(II) complex was synthesized using 8-hydroxyquinoline and thiocyanate as the ligands and structurally characterized with the combination of FTIR, H-1-NMR, C-13-NMR, UV-vis, and MS spectral data. Then, ...
Synthesis, crystal structure, spectroscopic characterization and nonlinear optical properties of (Z)-N '-(2,4-dinitrobenzylidene)-2-(quinolin-8-yloxy) acetohydrazide

N. Boukabcha; A. A. Djafri; Y. Megrouss; Tamer, Ömer; Avcı, Davut; Tuna, Murat; N. Dege; A. Chouaih; Atalay, Yusuf; A. Djafri; E. Hamzaoui (ELSEVIER SCIENCE BV, 2019)

New organic compound of (Z) -N'- (2, 4-dinitrobenzylidene) -2- (quinolin-8-yloxy) acetohydrazide (DBQA) was synthesized for the first time and its structural characterization was performed by single crystal X-ray diffraction ...