Alexandra Malachova
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Explore the profile of Alexandra Malachova including associated specialties, affiliations and a list of published articles.
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43
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902
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Recent Articles
11.
Steiner D, Sulyok M, Malachova A, Mueller A, Krska R
J Chromatogr A
. 2020 Aug;
1629:461502.
PMID: 32841773
The first quantitative multiclass approach enabling the accurate quantification of >1200 biotoxins, pesticides and veterinary drugs in complex feed using liquid chromatography tandem mass spectrometry (LC-MS/MS) has been developed. Optimization...
12.
Steiner D, Krska R, Malachova A, Taschl I, Sulyok M
J Agric Food Chem
. 2020 Mar;
68(12):3868-3880.
PMID: 32125845
This work provides a proposal for proper determination of matrix effects and extraction efficiencies as an integral part of full validation of liquid chromatography coupled to tandem mass spectrometry-based multiclass...
13.
Janic Hajnal E, Kos J, Malachova A, Steiner D, Stranska M, Krska R, et al.
Food Chem
. 2020 Feb;
317:126409.
PMID: 32087516
The main objective of this study was to screen, for the first time, the natural occurrence of non-regulated fungal metabolites in 204 maize samples harvested in Serbia in maize growing...
14.
Kos J, Janic Hajnal E, Malachova A, Steiner D, Stranska M, Krska R, et al.
Food Chem
. 2019 Dec;
312:126034.
PMID: 31875527
The main objective of this study was to apply a liquid chromatography-tandem mass spectrometric method to investigate the presence of 20 mycotoxins in 204 maize samples harvested in Northern Serbia...
15.
Lee S, Woo S, Malachova A, Michlmayr H, Kim S, Kang G, et al.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess
. 2019 Apr;
36(6):964-975.
PMID: 31034333
A simple and reliable method for the simultaneous determination of major type B trichothecene mycotoxins, deoxynivalenol (DON) and nivalenol (NIV), along with their 3-β-d-glucosides (DON-3-glucoside (DON3G) and NIV-3-glucoside (NIV3G)) in...
16.
Michlmayr H, Varga E, Malachova A, Fruhmann P, Piatkowska M, Hametner C, et al.
Toxins (Basel)
. 2018 Mar;
10(3).
PMID: 29509722
Trichothecene toxins are confirmed or suspected virulence factors of various plant-pathogenic species. Plants can detoxify these to a variable extent by glucosylation, a reaction catalyzed by UDP-glucosyltransferases (UGTs). Due to...
17.
Varga E, Wiesenberger G, Woelflingseder L, Twaruschek K, Hametner C, Vaclavikova M, et al.
Toxicol Lett
. 2017 Dec;
284:205-212.
PMID: 29277571
A new type A trichothecene mycotoxin, NX-2, was previously reported to be produced by North American isolates of the cereal pathogen Fusarium graminearum. Here we describe the isolation and structural...
18.
Malachova A, Stranska M, Vaclavikova M, Elliott C, Black C, Meneely J, et al.
Anal Bioanal Chem
. 2017 Dec;
410(3):801-825.
PMID: 29273904
Liquid chromatography (LC) coupled with mass spectrometry (MS) is widely used for the determination of mycotoxins in cereals and cereal-based products. In addition to the regulated mycotoxins, for which official...
19.
Wetterhorn K, Gabardi K, Michlmayr H, Malachova A, Busman M, McCormick S, et al.
Biochemistry
. 2017 Nov;
56(50):6585-6596.
PMID: 29140092
Family 1 UDP-glycosyltransferases (UGTs) in plants primarily form glucose conjugates of small molecules and, besides other functions, play a role in detoxification of xenobiotics. Indeed, overexpression of a barley UGT...
20.
Li X, Michlmayr H, Schweiger W, Malachova A, Shin S, Huang Y, et al.
J Exp Bot
. 2017 Apr;
68(9):2187-2197.
PMID: 28407119
Fusarium Head Blight is a disease of cereal crops that causes severe yield losses and mycotoxin contamination of grain. The main causal pathogen, Fusarium graminearum, produces the trichothecene toxins deoxynivalenol...