• Dual-parameter control of the pole frequency in case of universal filter with MCDU elements 

  Jeřábek, Jan; Šotner, Roman; Herencsár, Norbert; Polák, Josef; Dvořák, Jan; Koton, Jaroslav (Springer, 2016-12-01)

  This paper presents an universal filter with control of the pole frequency by two mutually independent parameters - current gain (B) and intrinsic resistance (R x) in frame of two modified current differencing unit (MCDU) ...

• An electronically tunable current-mode quadrature oscillator using PCAs 

  Herencsár, Norbert; Lahiri, Abhirup; Vrba, Kamil; Koton, Jaroslav (Taylor & Francis, 2012-04-10)

  The paper presents a new realization of active RC sinusoidal oscillator with electronically tunable condition and frequency of oscillation. As compared to the class of three resistors, two capacitors (3R-2C) based canonic ...

• Realisations of single-resistance-controlled quadrature oscillators using a generalised current follower transconductance amplifier and a unity-gain voltage-follower 

  Herencsár, Norbert; Vrba, Kamil; Koton, Jaroslav; Lahiri, Abhirup (Taylor & Francis, 2010-08-01)

  This article presents realisations of single-resistance-controlled-oscillators (SRCOs) using the recently proposed modern active building block (ABB), namely the generalised current follower transconductance amplifier ...

• New voltage-mode universal filter and sinusoidal oscillator using only single DBTA 

  Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Lattenberg, Ivo (Taylor & Francis, 2010-04-01)

  In this article, a new voltage-mode second-order universal frequency filter and sinusoidal oscillator using only single differential-input buffered and transconductance amplifier (DBTA) is presented. The proposed voltage-mode ...

• The effect of Benzothiazolone-2 on the expression of Metallothionein-3 in modulating Alzheimer's disease 

  Roy, Sudeep; Gumulec, Jaromír; Kumar, Akhil; Raudenská, Martina; Baig, Mohd Hassan; Polanská, Hana; Balvan, Jan; Gupta, Mansi; Babula, Petr; Odstrčilík, Jan; Choi, Inho; Provazník, Ivo; Masařík, Michal (Wiley Periodicals, 2017-08-15)

  Metallothioneins (MTs) are a class of ubiquitously occurring low-molecular-weight cysteine- and metal-rich proteins containing sulfur-based metal clusters. MT-3 exhibits neuro-inhibitory activity. The possibility to enhance ...

• CMOS-based active RC sinusoidal oscillator with four-phase quadrature outputs and single-resistance-controlled (SRC) tuning laws 

  Lahiri, Abhirup; Herencsár, Norbert (Elsevier, 2012-09-07)

  This paper proposes a very compact CMOS realization of active RC sinusoidal oscillator capable of generating four quadrature voltage outputs. The oscillator is based on the cascade of lossless and lossy integrators in loop. ...

• Realization of first-order current-mode filters with low number of MOS transistors 

  Yuce, Erkan; Minaei, Shahram; Herencsár, Norbert; Koton, Jaroslav (World Scientific Publishing Company, 2013-01-14)

  In this paper, a new current-mode (CM) circuit for realizing all of the first-order filter responses is suggested. The proposed configuration contains low number of components, only two NMOS transistors both operating in ...

• New Resistorless and Electronically Tunable Realization of Dual-Output VM All-Pass Filter Using VDIBA 

  Herencsár, Norbert; Minaei, Shahram; Koton, Jaroslav; Yuce, Erkan; Vrba, Kamil (Springer, 2013-01-07)

  In this paper, a new active element called voltage differencing inverting buffered amplifier (VDIBA) is presented. Using single VDIBA and a capacitor, a new resistorless voltage-mode (VM) first-order all-pass filter (APF) ...

• New resistorless tunable voltage-mode universal filter using single VDIBA 

  Herencsár, Norbert; Cicekoglu, Oguzhan; Šotner, Roman; Koton, Jaroslav; Vrba, Kamil (Springer, 2013-08-01)

  To increase the universality of the recently introduced voltage differencing inverting buffered amplifier (VDIBA), this letter presents a new voltage-mode (VM) multi-input–single-output (MISO) universal filter. The proposed ...

• The Effect of a Spiral Gradient Magnetic Field on the Ionic Conductivity of Water 

  Bartušek, Karel; Marcoň, Petr; Fiala, Pavel; Máca, Josef; Dohnal, Přemysl (MDPI, 2017-09-02)

  We discuss the experimental verification of changes in the structure of a liquid water sample inserted in a special spiral “gradient” magnetic field. The magnetic flux components are characterized by a high degree of ...

• Nutritional Potential of Selected Insect Species Reared on the Island of Sumatra 

  Adámková, Anna; Mlček, Jiří; Kouřimská, Lenka; Borkovcová, Marie; Adámek, Martin; Bednářová, Martina; Krajsa, Jan (MDPI, 2017-05-12)

  Inhabitants of the Indonesian island of Sumatra are faced with the problem of insufficient food supplies and the consequent risk of undernourishment and health issues. Edible insects as a traditional and readily available ...

• Electronic Nose In Edible Insects Area 

  Adámek, Martin; Adámková, Anna; Borkovcová, Marie; Mlček, Jiří; Bednářová, Martina; Kouřimská, Lenka; Skácel, Josef; Řezníček, Michal (HACCP Consulting, 2017-07-14)

  Edible insect is appraised by many cultures as delicious and nutritionally beneficial food. In western countries this commodity is not fully appreciated, and the worries about edible insect food safety prevail. Electronic ...

• Welfare of the Mealworm (Tenebrio molitor) Breeding With Regard to Nutrition Value and Food Safety 

  Adámková, Anna; Adámek, Martin; Mlček, Jiří; Borkovcová, Marie; Bednářová, Martina; Kouřimská, Lenka; Skácel, Josef; Vítová, Eva (HACCP Consulting, 2017-07-14)

  Livestock welfare is an important condition for obtaining high-quality and safe food. According to the legislation edible insects are classified as livestock; and for this reason it is necessary to comply with the edible ...

• Effect of increased left ventricle mass on ischemia assessment in electrocardiographic signals: rabbit isolated heart study 

  Ronzhina, Marina; Olejníčková, Veronika; Stračina, Tibor; Nováková, Marie; Janoušek, Oto; Hejč, Jakub; Kolářová, Jana; Hlaváčová, Miroslava; Paulová, Hana (BioMed Central, 2017-08-09)

  Detailed quantitative analysis of the effect of left ventricle (LV) hypertrophy on myocardial ischemia manifestation in ECG is still missing. The associations between both phenomena can be studied in animal models. In this ...

• Induction of Laccase, Lignin Peroxidase and Manganese Peroxidase Activities in White-Rot Fungi Using Copper Complexes 

  Vršanská, Martina; Voběrková, Stanislava; Langer, Vratislav; Palovčíková, Dagmar; Moulick, Amitava; Adam, Vojtěch; Kopel, Pavel (MDPI, 2016-11-01)

  Ligninolytic enzymes, such as laccase, lignin peroxidase and manganese peroxidase, are biotechnologically-important enzymes. The ability of five white-rot fungal strains Daedaleopsis confragosa, Fomes fomentarius, Trametes ...

• Determination of optimum high-side pressure of R744 automotive heat pump using Fibonacci search method 

  Glos, Jan; Šolc, František (IEEE, 2017-06-21)

  This paper deals with maximizing coefficient of performance (COP) of R744 automotive heat pump. A high-side pressure variation is possible during transcritical operation employing low pressure receiver and electronic ...

• Three-input-one-output current-mode universal biquadratic filter using one differential difference current conveyor 

  Horng, Jiun-Wei; Wu, Chang-Ming; Herencsár, Norbert (NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2014-08-01)

  A current-mode universal biquadratic filter is presented. The architecture has three input terminals, one output terminal using one differential difference current conveyor (DDCC), two grounded capacitors and two resistors. ...

• The Application of Curve Fitting on the Voltammograms of Various Isoforms of Metallothioneins–Metal Complexes 

  Rodrigo, Miguel Ángel Merlos; Jimenez, Ana Maria Jimenez; Zítka, Ondřej; Richtera, Lukáš; Adam, Vojtěch (MDPI, 2017-03-01)

  The translation of metallothioneins (MTs) is one of the defense strategies by which organisms protect themselves from metal-induced toxicity. MTs belong to a family of proteins comprising MT-1, MT-2, MT-3, and MT-4 classes, ...

• Multivariate classification of echellograms: a new perspective in Laser-Induced Breakdown Spectroscopy analysis 

  Pořízka, Pavel; Klus, Jakub; Mašek, Jan; Rajnoha, Martin; Prochazka, David; Modlitbová, Pavlína; Novotný, Jan; Burget, Radim; Novotný, Karel; Kaiser, Jozef (Springer Nature, 2017-12-01)

  In this work, we proposed a new data acquisition approach that significantly improves the repetition rates of Laser-Induced Breakdown Spectroscopy (LIBS) experiments, where high-end echelle spectrometers and intensified ...

• A Real Model of a Micro-Grid to Improve Network Stability 

  Marcoň, Petr; Szabó, Zoltán; Veselý, Ivo; Zezulka, František; Sajdl, Ondřej; Roubal, Zdeněk; Dohnal, Přemysl (MDPI, 2017-07-30)

  This paper discusses the smart energy model of a smart grid using a significant share of renewable energy sources combined with intelligent control that processes information from a smart metering subsystem. An algorithm ...

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