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Statements

Subject Item
n2:RIV%2F61388971%3A_____%2F13%3A00424550%21RIV14-MSM-61388971
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Responsivity is a conversion qualification of a measurement device given by the functional dependence between the input and output quantities. A concentration-response-dependent calibration curve represents the most simple experiment for the measurement of responsivity in mass spectrometry. The cyanobacterial hepatotoxin microcystin-LR content in complex biological matrices of food additives was chosen as a model example of a typical problem. The calibration curves for pure microcystin and its mixtures with extracts of green alga and fish meat were reconstructed from the series of measurement. A novel approach for the quantitative estimation of ion competition in ESI is proposed in this paper. We define the correlated responsivity offset in the intensity values using the approximation of minimal correlation given by the matrix to the target mass values of the analyte. The estimation of the matrix influence enables the approximation of the position of a priori unknown responsivity and was easily evaluated using a simple algorithm. The method itself is directly derived from the basic attributes of the theory of measurements. There is sufficient agreement between the theoretical and experimental values. However, some theoretical issues are discussed to avoid misinterpretations and excessive expectations Responsivity is a conversion qualification of a measurement device given by the functional dependence between the input and output quantities. A concentration-response-dependent calibration curve represents the most simple experiment for the measurement of responsivity in mass spectrometry. The cyanobacterial hepatotoxin microcystin-LR content in complex biological matrices of food additives was chosen as a model example of a typical problem. The calibration curves for pure microcystin and its mixtures with extracts of green alga and fish meat were reconstructed from the series of measurement. A novel approach for the quantitative estimation of ion competition in ESI is proposed in this paper. We define the correlated responsivity offset in the intensity values using the approximation of minimal correlation given by the matrix to the target mass values of the analyte. The estimation of the matrix influence enables the approximation of the position of a priori unknown responsivity and was easily evaluated using a simple algorithm. The method itself is directly derived from the basic attributes of the theory of measurements. There is sufficient agreement between the theoretical and experimental values. However, some theoretical issues are discussed to avoid misinterpretations and excessive expectations
dcterms:title
Estimation of Ion Competition via Correlated Responsivity Offset in Linear Ion Trap Mass Spectrometry Analysis: Theory and Practical Use in the Analysis of Cyanobacterial Hepatotoxin Microcystin-LR in Extracts of Food Additives Estimation of Ion Competition via Correlated Responsivity Offset in Linear Ion Trap Mass Spectrometry Analysis: Theory and Practical Use in the Analysis of Cyanobacterial Hepatotoxin Microcystin-LR in Extracts of Food Additives
skos:prefLabel
Estimation of Ion Competition via Correlated Responsivity Offset in Linear Ion Trap Mass Spectrometry Analysis: Theory and Practical Use in the Analysis of Cyanobacterial Hepatotoxin Microcystin-LR in Extracts of Food Additives Estimation of Ion Competition via Correlated Responsivity Offset in Linear Ion Trap Mass Spectrometry Analysis: Theory and Practical Use in the Analysis of Cyanobacterial Hepatotoxin Microcystin-LR in Extracts of Food Additives
skos:notation
RIV/61388971:_____/13:00424550!RIV14-MSM-61388971
n8:predkladatel
n18:ico%3A61388971
n3:aktivita
n15:I n15:S n15:P
n3:aktivity
I, P(ED2.1.00/01.0024), P(ED2.1.00/03.0110), S
n3:cisloPeriodika
Mar 2013
n3:dodaniDat
n6:2014
n3:domaciTvurceVysledku
n12:5093279
n3:druhVysledku
n14:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
73281
n3:idVysledku
RIV/61388971:_____/13:00424550
n3:jazykVysledku
n19:eng
n3:klicovaSlova
LINKED-IMMUNOSORBENT-ASSAY; SIGNAL SUPPRESSION; AKAIKE INFORMATION CRITERION
n3:klicoveSlovo
n4:AKAIKE%20INFORMATION%20CRITERION n4:LINKED-IMMUNOSORBENT-ASSAY n4:SIGNAL%20SUPPRESSION
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[C1136B7C3101]
n3:nazevZdroje
BioMed Research International
n3:obor
n10:EE
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n13:ED2.1.00%2F01.0024 n13:ED2.1.00%2F03.0110
n3:rokUplatneniVysledku
n6:2013
n3:tvurceVysledku
Štys, D. Hrouzek, Pavel Urban, J. Martens, H.
n3:wos
000317218000001
s:issn
2314-6133
s:numberOfPages
14
n17:doi
10.1155/2013/414631