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Nanostructured Polypyrrole-Based Ammonia and Volatile Organic Compound Sensors
(MDPI, 2017-03-10)The aim of this review is to summarize the recent progress in the fabrication of efcient nanostructured polymer-based sensors with special focus on polypyrrole. The correlation between physico-chemical parameters, mainly ... -
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 ... -
The importance of higher alcohols and esters for sensory evaluation of rheinriesling and chardonnay wine varieties
(HACCP Consulting, 2018-09-28)For a consumer, one of the first characters for evaluation of wine is its scent. A pleasant aroma of wine associated with the subsequent taste experience can be remembered by the consumer for a long time and appreciated ... -
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 ... -
Acceptability and sensory evaluation of energy bars and protein bars enriched with edible insect
(HACCP Consulting, 2018-04-24)For consumers, one of the basic criteria of choosing a foodstuff, apart from nutritional values, is their taste and smell. In edible insect as a novel food, these criteria are not quite decisive. The main criterion in the ... -
Stříbrná sága: dvě největší bubliny
(Fincentrum, 2014-04-02)Formy využití stříbra, ceny stříbra vs. inflace, "stříbrné" bubliny, -
Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor
(2017-03-31)Presented work deals with applications of the single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor (ZC-CG-VDCC) in single purpose and multifunctional biquadratic voltage- and current-mode active resistor-less ... -
Detection of selected heavy metals and micronutrients in edible insect and their dependency on the feed using XRF spectrometry
(HACCP Consulting, 2017-12-18)Edible insect can be a valuable source of nutrients, but also a potential source of heavy metals. Quick detection of over-limit heavy metals concentration could be a key to processing and quick distribution ... -
Electrochemical Microsensors for the Detection of Cadmium(II) and Lead(II) Ions in Plants
(MDPI, 2010-06-01)Routine determination of trace metals in complex media is still a difficult task for many analytical instruments. The aim of this work was to compare three electro-chemical instruments [a standard potentiostat (Autolab), ... -
Ion exchange chromatography and mass spectrometric methods for analysis of cadmium-phytochelatin (II) complexes
(MDPI, 2013-03-28)In this study, in vitro formed Cd-phytochelatin (PC2) complexes were characterized using ion exchange chromatography (IEC) and matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry. The ... -
Effect of Magnetic Nanoparticles on Tobacco BY-2 Cell Suspension Culture
(MDPI, 2013-01-01)Nanomaterials are structures whose exceptionality is based on their large surface, which is closely connected with reactivity and modification possibilities. Due to these properties nanomaterials are used in textile industry ... -
Flow Injection Analysis Coupled with Carbon Electrodes as the Tool for Analysis of Naphthoquinones with Respect to Their Content and Functions in Biological Samples
(MDPI, 2006-10-01)Naphthoquinones are one of the groups of secondary metabolites widespread in nature, where they mostly appear as chromatic pigments. They embody broad-range of biological actions from phytotoxic to fungicidal. An anticancer ... -
Study of Interactions between Metallothionein and Cisplatin by using Differential Pulse Voltammetry Brdicka's reaction and Quartz Crystal Microbalance
(MDPI, 2009-03-15)Treatment strategies for tumour diseases are progressively focusing on personalization of medicine. However, this focus requires methods revealing the early general biological mechanisms, including the formation anti-cancer ... -
Quantum Dots - Characterization, Preparation and Usage in Biological Systems
(MDPI, 2009-02-20)The use of fluorescent nanoparticles as probes for bioanalytical applications is a highly promising technique because fluorescence-based techniques are very sensitive. Quantum dots (QDs) seem to show the greatest promise ... -
An Investigation of Glutathione-Platinum(II) Interactions by Means of the Flow Injection Analysis Using Glassy Carbon Electrode
(MDPI, 2007-07-20)Glutathione was discovered by M. J. de Rey Pailhade at the end of the 19th century as the substance (hydrogénant le soufre), which was renamed by F.G. Hopkins in 1921. Hopkins first characterised the compound as a dipeptide ... -
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 ... -
Utilizing of square wave voltammetry to detect flavonoids in the presence of human urine
(MDPI, 2007-10-15)About biological affecting of flavonoids on animal organisms is known less, thus we selected flavonoids, flavanones and flavones, and their glycosides, which were examined as potential inducers of cytochrome(s) P450 when ... -
Shapes of Differential Pulse Voltammograms and Level of Metallothionein at Different Animal Species
(MDPI, 2007-10-19)Metallothioneins play a key role in maintaining homeostasis of essential metals and in protecting of cells against metal toxicity as well as oxidative damaging. Excepting humans, blood levels of metallothionein have not ... -
Lactoferrin Isolation Using Monolithic Column Coupled with Spectrometric or Micro-Amperometric Detector
(MDPI, 2008-01-24)Lactoferrin is a multifunctional protein with antimicrobial activity and others to health beneficial properties. The main aim of this work was to propose easy to use technique for lactoferrin isolation from cow colostrum ... -
Amperometric Sensor for Detection of Chloride Ions
(MDPI, 2008-09-15)Chloride ion sensing is important in many fields such as clinical diagnosis, environmental monitoring and industrial applications. We have measured chloride ions at a carbon paste electrode (CPE) and at a CPE modified with ...
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