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Polyphenolic profile and biological activity of Chinese Hawthorn (Crataegus pinnatifida BUNGE) fruits
(MDPI, 2012-12-01)Chinese hawthorn (Crataegus pinnatifida Bge.) fruits are rich in polyphenols (e.g., epicatechin, procyanidin B2, procyanidin B5, procyanidin C1, hyperoside, isoquercitrin and chlorogenic acid)-active compounds that exert ... -
UV-Induced Nanoparticles-Formation, Properties and Their Potential Role in Origin of Life
(MDPI, 2020-08-04)Inorganic nanoparticles might have played a vital role in the transition from inorganic chemistry to self-sustaining living systems. Such transition may have been triggered or controlled by processes requiring not only ... -
New Low-Voltage CMOS Differential Difference Amplifier (DDA) and an Application Example
(IEEE, 2018-08-05)The paper presents a newly designed structure of a low-voltage differential difference amplifier (DDA). The novel implementation brings significant reduction of complexity in comparison to readily available operational ... -
A 1 V 92 dB SNDR 10 kHz Bandwidth Second-Order Asynchronous Delta-Sigma Modulator for Biomedical Signal Processing
(MDPI, 2020-07-25)In this paper, a second-order asynchronous delta-sigma modulator (ADSM) is proposed based on the active-RCintegrators. The ADSM is implemented in the 0.18 µ m CMOS Logic or Mixed-Signal/RF, General Purpose process from the ... -
0.3-V Nanopower Biopotential Low-Pass Filter
(IEEE, 2020-06-29)This paper presents a compact power-efficient CMOS fourth-order low-pass filter suitable for electrocardiogram (ECG) acquisition systems. The CMOS structure of the proposed filter utilize the bulkdriven technique and ... -
Porous-alumina-assisted formation of 3-D nanostructured niobium oxide films for advanced sensing applications
(Elsevier, 2015-06-07)Here we synthesize a 3-D metal/oxide/metal nanostructured film that merges the benefits of advanced nanocomposite inorganic materials with the flexibility of nonlithographic electrochemical technologies based on so-called ... -
Design and Fabrication of Fully Implantable MEMS Cochlea
(Elsevier, 2015-01-02)The micro-electro-mechanical array for application as fully implantable cochlea is presented in this paper. The complete system including a short overview of energy harvesting and the system configuration is proposed. This ... -
Development of a magnetic electrochemical bar code array for point mutation detection in the H5N1 neuraminidase gene
(MDPI, 2013-07-15)Since its first official detection in the Guangdong province of China in 1996, the highly pathogenic avian influenza virus of H5N1 subtype (HPAI H5N1) has reportedly been the cause of outbreaks in birds in more than 60 ... -
Higher-Order Hamiltonian for Circuits with (alpha,beta) Elements
(MDPI AG, 2020-04-05)The paper studies the construction of the Hamiltonian for circuits built from the (alpha,beta) elements of Chua’s periodic table. It starts from the Lagrange function, whose existence is limited to sigma-circuits, i.e., ... -
Effect of different storage conditions on the microbiological characteristics of insect
(HACCP Consulting, 2018-03-21)When introducing a novelty food, its safety needs to be monitored. One of the safety aspects of human health is microbial contamination. In this work, microbiological parameters of long-term stored edible insect material ... -
Serum metallothioneins in childhood tumours – A potential prognostic marker
(MDPI, 2013-06-06)Metallothioneins (MT) are low molecular weight, cysteine-rich proteins maintaining metal ions homeostasis. They play a role in carcinogenesis and may also cause chemoresistance. The aim of the study was to explore the ... -
Precision Machining of Nimonic C 263 Super AlloyUsing WEDM
(MDPI, 2020-06-24)Wire electrical discharge machining (WEDM) is an unconventional and very efficient technology for precision machining of the Nimonic C 263 super alloy, which is very widespread, especially in the energy, aerospace and ... -
An Investigation on the Electrochemical Behavior and Antibacterial and Cytotoxic Activity of Nickel Trithiocyanurate Complexes
(MDPI, 2020-04-10)The electrochemical redox behavior of three trinuclear Ni(II) complexes [Ni3(abb)3(H2O)3(µ-ttc)](ClO4)3 (1), [Ni3(tebb)3(H2O)3(µ-ttc)](ClO4)3·H2O (2), and [Ni3(pmdien)3(µ-ttc)](ClO4)3 (3), where abb = 1-(1H-benzimidazol- ... -
Investigation into the Effect of Molds in Grasses on Their Content of Low Molecular Mass Thiols
(MDPI, 2012-10-24)The aim of this study was to investigate the effect of molds on levels of low molecular mass thiols in grasses. For this purpose, the three grass species Lolium perenne, Festulolium pabulare and Festulolium braunii were ... -
Sarcosine as a potential prostate cancer biomarker – A review
(MDPI, 2013-07-04)Prostate cancer (CaP) is the most common type of tumour disease in men. Early diagnosis of cancer of the prostate is very important, because the sooner the cancer is detected, the better it is treated. According to that ... -
High strength, biodegradable and cytocompatible alpha tricalcium phosphate-iron composites for temporal reduction of bone fractures
(Elsevier, 2018-02-09)In this work alpha tricalcium phosphate (a-TCP)/iron (Fe) composites were developed as a new family of biodegradable, load-bearing and cytocompatible materials. The composites with composition from pure ceramic to pure ... -
Infinite selectivity of wet SiO2 etching in respect to Al
(MDPI, 2020-03-31)We propose and demonstrate an unconventional method suitable for releasing microelectromechanical systems devices containing an Al layer by wet etching using SiO2 as a sacrificial layer. We used 48% HF solution in combination ... -
Nanocomposite furcellaran films - The influence of nanofillers on functional properties of furcellaran films and effect on linseed oil preservation
(MDPI, 2019-12-09)Nanocomposite films that were based on furcellaran (FUR) and nanofillers (carbon quantum dots (CQDs), maghemite nanoparticles (MAN), and graphene oxide (GO)) were obtained by the casting method. The microstructure, as well ... -
Study of micro structural material changes after WEDM based on TEM lamella analysis
(MDPI, 2020-06-07)Wire electrical discharge machining is an unconventional machining technology that is crucial in many industries. The surface quality of the machined parts is carefully monitored, but the condition of the subsurface layer ... -
Analysis of the machinability of copper alloy Ampcoloy by WEDM
(MDPI, 2020-02-11)The unconventional technology wire electrical discharge machining is widely used in all areas of industry. For this reason, there is always an effort for efficient machining at the lowest possible cost. For this purpose, ...
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