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Showing 1 to 12 of 16 entries
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In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry.

Talanta

Choleva TG, Kappi FA, Tsogas GZ, Vlessidis AG, Giokas DL.
PMID: 26946014
Talanta. 2016 May 01;151:91-99. doi: 10.1016/j.talanta.2016.01.030. Epub 2016 Jan 15.

This work describes a new method for the extraction and determination of gold nanoparticles in environmental samples by means of in-situ suspended aggregate microextraction and electrothermal atomic absorption spectrometry. The method relies on the in-situ formation of a supramolecular...

Rye grains and the soil derived from under the organic and conventional rye crops as a potential source of biological agents causing respiratory diseases in farmers.

Postepy dermatologii i alergologii

Zukiewicz-Sobczak WA, Cholewa G, Krasowska E, Chmielewska-Badora J, Zwoliński J, Sobczak P.
PMID: 24494000
Postepy Dermatol Alergol. 2013 Dec;30(6):373-80. doi: 10.5114/pdia.2013.39436. Epub 2013 Dec 18.

INTRODUCTION: Due to the specific work environment, farmers are exposed to various biological occupational hazard. Among these factors significant are fungi present in the grain and also in the soil. The fungi may be the cause of human diseases...

Human Beta Cell Regenerative Drug Therapy for Diabetes: Past Achievements and Future Challenges.

Frontiers in endocrinology

Wang P, Karakose E, Choleva L, Kumar K, DeVita RJ, Garcia-Ocaña A, Stewart AF.
PMID: 34335466
Front Endocrinol (Lausanne). 2021 Jul 16;12:671946. doi: 10.3389/fendo.2021.671946. eCollection 2021.

A quantitative deficiency of normally functioning insulin-producing pancreatic beta cells is a major contributor to all common forms of diabetes. This is the underlying premise for attempts to replace beta cells in people with diabetes by pancreas transplantation, pancreatic...

Allergy to selected cosmetic ingredients.

Postepy dermatologii i alergologii

Zukiewicz-Sobczak WA, Adamczuk P, Wróblewska P, Zwoliński J, Chmielewska-Badora J, Krasowska E, Galińska EM, Cholewa G, Piątek J, Koźlik J.
PMID: 24353491
Postepy Dermatol Alergol. 2013 Oct;30(5):307-10. doi: 10.5114/pdia.2013.38360. Epub 2013 Oct 30.

In an era in which cosmetics are commonly used, their often prolonged contact with the human body should determine the safety of their use. Often cosmetics are the cause of many side effects, mainly hypersensitivity reactions. Common groups of...

Uniparental Genome Elimination in Australian Carp Gudgeons.

Genome biology and evolution

Majtánová Z, Dedukh D, Choleva L, Adams M, Ráb P, Unmack PJ, Ezaz T.
PMID: 33591327
Genome Biol Evol. 2021 Jun 08;13(6). doi: 10.1093/gbe/evab030.

Metazoans usually reproduce sexually, blending the unique identity of parental genomes for the next generation through functional crossing-over and recombination in meiosis. However, some metazoan lineages have evolved reproductive systems where offspring are either full (clonal) or partial (hemiclonal)...

Enzymatic activity of fungi isolated from crops.

Postepy dermatologii i alergologii

Żukiewicz-Sobczak WA, Cholewa G, Sobczak P, Silny W, Nadulski R, Wojtyła-Buciora P, Zagórski J.
PMID: 28035224
Postepy Dermatol Alergol. 2016 Dec;33(6):457-463. doi: 10.5114/ada.2016.63885. Epub 2016 Dec 02.

AIM: To detect and assess the activity of extracellular hydrolytic enzymes and to find differences in enzymograms between fungi isolated from wheat and rye samples and grown on Czapek-Dox Broth and Sabouraud Dextrose Broth enriched with cereal (wheat or...

Specialization directs habitat selection responses to a top predator in semiaquatic but not aquatic taxa.

Scientific reports

Šigutová H, Harabiš F, Šigut M, Vojar J, Choleva L, Dolný A.
PMID: 34556794
Sci Rep. 2021 Sep 23;11(1):18928. doi: 10.1038/s41598-021-98632-2.

Habitat selectivity has become an increasingly acknowledged mechanism shaping the structure of freshwater communities; however, most studies have focused on the effect of predators and competitors, neglecting habitat complexity and specialization. In this study, we examined the habitat selection...

Levels of filamentous fungi and selected mycotoxins in leafy and fruit vegetables and analysis of their potential health risk for consumers.

Annals of agricultural and environmental medicine : AAEM

Kłapeć T, Wójcik-Fatla A, Farian E, Kowalczyk K, Cholewa G, Cholewa A, Dutkiewicz J.
PMID: 34969215
Ann Agric Environ Med. 2021 Dec 29;28(4):585-594. doi: 10.26444/aaem/143031. Epub 2021 Oct 20.

INTRODUCTION AND OBJECTIVE: The aim of the study was to determine the presence, concentration and generic composition of filamentous fungi. Considering the significant role of mycotoxins in the pathogenicity of fungal contaminants of vegetables, the scope of the study...

Intrinsic peroxidase-like activity of rhodium nanoparticles, and their application to the colorimetric determination of hydrogen peroxide and glucose.

Mikrochimica acta

Choleva TG, Gatselou VA, Tsogas GZ, Giokas DL.
PMID: 29594622
Mikrochim Acta. 2017 Dec 05;185(1):22. doi: 10.1007/s00604-017-2582-8.

The intrinsic peroxidase-like activity of rhodium nanoparticles (RhNPs) and their use as catalytic labels for sensitive colorimetric assays is presented. RhNPs catalyze the oxidation of the peroxidase substrate 3,3,5,5-tetramethylbenzidine (TMB) in the presence of H

Grain dust originating from organic and conventional farming as a potential source of biological agents causing respiratory diseases in farmers.

Postepy dermatologii i alergologii

Zukiewicz-Sobczak WA, Cholewa G, Krasowska E, Chmielewska-Badora J, Zwoliński J, Sobczak P.
PMID: 24493998
Postepy Dermatol Alergol. 2013 Dec;30(6):358-64. doi: 10.5114/pdia.2013.39434. Epub 2013 Dec 18.

INTRODUCTION: Agricultural producers are exposed to a number of different health risks associated with their work environment.AIM: The objective of the study was to assess the degree of colonization by fungi in terms of quantity and in terms of...

Determination of silver nanoparticles by atomic absorption spectrometry after dispersive suspended microextraction followed by oxidative dissolution back-extraction.

Talanta

Choleva TG, Tsogas GZ, Giokas DL.
PMID: 30683361
Talanta. 2019 May 01;196:255-261. doi: 10.1016/j.talanta.2018.12.053. Epub 2018 Dec 19.

This study presents a liquid phase microextraction method for the quantification of silver nanoparticles (AgNPs) in environmental samples by means of directly suspended microextraction and atomic absorption spectrometry. The method is based on the dispersion of octanol into fine...

[In memory primarius Josef Svoboda, M.D].

Ceskoslovenska oftalmologie

Choleva A.
PMID: 4605744
Cesk Oftalmol. 1974 Sep;30(5):388.

No abstract available.

Showing 1 to 12 of 16 entries