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1

Gas chromatography–mass spectrometry of the trimethylsilyl (oxime) ether/ester derivatives of cholic acids: Their presence in the aquatic environment

Á. Sebők, K. Sezer, A. Vasanits-Zsigrai, A. Helenkár, Gy. Záray, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 1.10 MB

english, 2008

2

Identification and quantification of ibuprofen, naproxen, ketoprofen and diclofenac present in waste-waters, as their trimethylsilyl derivatives, by gas chromatography mass spectrometry

Á. Sebők, A. Vasanits-Zsigrai, Gy. Palkó, Gy. Záray, I. Molnár-Perl

Journal:

Year:

2008

Language:

english

File:

PDF, 1.36 MB

english, 2008

3

The role of derivatization techniques in the analysis of plant cannabinoids by gas chromatography mass spectrometry

Fodor, B., Molnár-Perl, I.

Journal:

TrAC Trends in Analytical Chemistry

Year:

2017

Language:

english

File:

PDF, 1.35 MB

english, 2017

4

Determination of tryptophan in unhydrolyzed food and feedstuffs by the acid ninhydrin method

Pinter-Szakacs, Margit, Molnar-Perl, Ibolya

Journal:

Journal of Agricultural and Food Chemistry

Year:

1990

Language:

english

File:

PDF, 797 KB

english, 1990

5

Specific hydrolysis and accumulation of antiproliferative lignans in the fruit of Leuzea carthamoides (Willd.) DC.

Sólyomváry, Anna, Mervai, Zsolt, Molnár-Perl, Ibolya, Boldizsár, Imre

Journal:

Natural Product Research

Year:

2014

Language:

english

File:

PDF, 170 KB

english, 2014

6

The role of alkylsilyl derivatization techniques in the analysis of illicit drugs by gas chromatography

Molnár, B., Molnár-Perl, I.

Journal:

Microchemical Journal

Year:

2015

Language:

english

File:

PDF, 439 KB

english, 2015

7

The role of derivatization techniques in the analysis of glyphosate and aminomethyl-phosphonic acid by chromatography

Arkan, T., Molnár-Perl, I.

Journal:

Microchemical Journal

Year:

2015

Language:

english

File:

PDF, 481 KB

english, 2015

8

Advances in the o-phthalaldehyde derivatizations: Comeback to the o-phthalaldehyde–ethanethiol reagent

R. Hanczkó, A. Jámbor, A. Perl, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 1.65 MB

english, 2007

9

Amino acid analysis by high-performance liquid chromatography after derivatization with 9-fluorenylmethyloxycarbonyl chloride: Literature overview and further study

A. Jámbor, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 1.25 MB

english, 2009

10

Role of chromatography in the analysis of sugars, carboxylic acids and amino acids in food

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 219 KB

english, 2000

11

Derivatization and chromatographic behavior of the o-phthaldialdehyde amino acid derivatives obtained with various SH-group-containing additives

Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2001

Language:

english

File:

PDF, 1.29 MB

english, 2001

12

Simultaneous determination of sugars, sugar alcohols, acids and amino acids in apricots by gas chromatography–mass spectrometry

Zs.F Katona, P Sass, I Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 322 KB

english, 1999

13

Gas chromatographic analysis of C1–C20carboxylic acids esterified in aqueous solutions as isobutyl esters

I. Molnár-Perl, M. Szakács-Pintér

Journal:

Chromatographia

Year:

1983

Language:

english

File:

PDF, 480 KB

english, 1983

14

The role of the acquisition methods in the analysis of the non-steroidal anti-inflammatory drugs in Danube River by gas chromatography - mass spectrometry

A. Helenkár, Á. Sebők, Gy. Záray, I. Molnár-Perl, A. Vasanits-Zsigrai

Journal:

Year:

2010

Language:

english

File:

PDF, 382 KB

english, 2010

15

Flame Ionization Detector Response Factors Using the Effective Carbon Number Concept in the Quantitative Analysis of Esters

Morvai, M., Palyka, I., Molnar-Perl, l.

Journal:

Journal of Chromatographic Science

Year:

1992

Language:

english

File:

PDF, 856 KB

english, 1992

16

Alkylsilyl derivatization of glyphosate and aminomethylphosphonic acid followed by gas chromatography mass spectrometry

Arkan, T., Csámpai, A., Molnár-Perl, I.

Journal:

Microchemical Journal

Year:

2016

Language:

english

File:

PDF, 2.84 MB

english, 2016

17

Structure-related related new approach in the GC/MS analysis of cathinone type synthetic drugs

Molnár, Borbála, Fodor, Blanka, Csámpai, Antal, Hidvégi, Előd, Molnár-Perl, Ibolya

Journal:

Journal of Chromatography A

Year:

2016

Language:

english

File:

PDF, 2.37 MB

english, 2016

18

Advances in the alkylsilyl derivatization of glyphosate and aminomethylphosphonic acid: A critical comeback to the N - tert .-butyldimethylsilyl- N -methyltrifluoroacetamide reagent

Arkan, T., Molnár-Perl, I.

Journal:

Microchemical Journal

Year:

2017

Language:

english

File:

PDF, 1.41 MB

english, 2017

19

GC-MS quantitation of isocitric acid in the presence of a large excess of citric acid

Sándor Tisza, Ibolya Molnár-Perl

Journal:

Journal of Separation Science

Year:

1994

Language:

english

File:

PDF, 394 KB

english, 1994

20

GC/MS quantitation of hydroquinone, 1,4-benzoquinone, and 1,4-cyclohexanedione: One by one and simultaneously

Ibolya Molnár-Perl, Sándor Tisza, Endre Korös, Krisztina Kurin-Csörgei, István Szalai

Journal:

Journal of Separation Science

Year:

1995

Language:

english

File:

PDF, 352 KB

english, 1995

21

Simultaneous capillary GC of acids and sugars as their silyl(oxime) derivatives: Quantitation of chlorogenic acid, raffinose, and pectin substances

Sándor Tisza, Ibolya Molnár-Perl, Mendel Friedman, Pál Sass

Journal:

Journal of Separation Science

Year:

1996

Language:

english

File:

PDF, 375 KB

english, 1996

22

Einfaches destillationsverfahren zur titrimetrischen bestimmung von kohlendioxyd

L. Maros, E. Schulek, I. Molnár-Perl, M. Pintér-Szakács

Journal:

Analytica Chimica Acta

Year:

1961

Language:

german

File:

PDF, 506 KB

german, 1961

23

Spectrophotometric determination of lysine in the presence of other amino acids and proteins using furfuraldehyde

Ibolya Molnár-Perl, Margit Pintér-Szakás

Journal:

Analytica Chimica Acta

Year:

1992

Language:

english

File:

PDF, 577 KB

english, 1992

24

Spectrophotometric determination of tryptophan in intact proteins by the acid ninhydrin method

Ibolya Molnár-Perl, Margit Pintér-Szakács

Journal:

Analytical Biochemistry

Year:

1989

Language:

english

File:

PDF, 391 KB

english, 1989

25

Gas—liquid chromatographic assay of the components of electrochemically reduced glucose solutions: Impurities in sorbitol samples

I. Molnár-Perl, M. Morvai, M. Pintér-Szakács, Á. Kővágó, J. Petróczy

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 342 KB

english, 1990

26

Simultaneous determination of organic acids and sugars in apples by gas—liquid chromatography

Magdolna Morvai, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 438 KB

english, 1990

27

Gas chromatography of tryptophan together with other amino acids in hydrochloric acid hydrolysates

V. Fábián, M. Pintér-Szakács, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 350 KB

english, 1990

28

Compositional analysis of the phenylthiocarbamyl amino acids by liquid chromatography-atmospheric pressure ionization mass spectrometry with particular attention to the cyst(e)ine derivatives

Karl Schmeer, Mohamed Khalifa, János Császár, Gyula Farkas, Ernst Bayer, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1995

Language:

english

File:

PDF, 685 KB

english, 1995

29

Optimization of the simultaneous determination of acids and sugars as their trimethylsilyl(oxime) derivatives by gas chromatography-mass spectrometry and determination of the composition of six apple varieties

Sándor Tisza, Pál Sass, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1994

Language:

english

File:

PDF, 599 KB

english, 1994

30

Comparison of the recovery of amino acids in vapour-phase hydrolysates of proteins performed in a Pico Tag work station and in a microwave hydrolysis system

Enikö Tatár, Mohamed Khalifa, Gyula Záray, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1994

Language:

english

File:

PDF, 581 KB

english, 1994

31

Advances in the high-performance liquid chromatographic determination of phenylthiocarbamyl amino acids

I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1994

Language:

english

File:

PDF, 758 KB

english, 1994

32

Analytical chemistry dictionary: Dictionary of Analytical Chemistry, by G. Maludzinska (Editor), Elsevier, Amsterdam, 1990, US$ 128.25, (400 pages), ISBN: 0-444-98729-0

I. Molnár-Perl

Journal:

TrAC Trends in Analytical Chemistry

Year:

1992

Language:

english

File:

PDF, 117 KB

english, 1992

33

Dye-binding stoichiometry of AO 12, AB 10B and OG with etalon proteins, feed and feedingstuffs and its application for reactive lysine determination

Ibolya Molnár-Perl, Margit Pintér-Szakács, Ágnes Kővágó, István Petróczy, U.Pál Kralovánszky, Jakab Mátyás

Journal:

Year:

1986

Language:

english

File:

PDF, 747 KB

english, 1986

34

Dye-binding ‘stoichiometry’ and selectivity of cresol red with various proteins

I. Molnár-Perl, M. Pintér-Szakács, D. Medzihradszky

Journal:

Year:

1990

Language:

english

File:

PDF, 1.19 MB

english, 1990

35

Chromatographic, capillary electrophoretic and capillary electrochromatographic techniques in the analysis of flavonoids

I. Molnár-Perl, Zs. Füzfai

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 991 KB

english, 2005

36

o-Phthaldialdehyde derivatization of histidine: stoichiometry, stability and reaction mechanism

A Csámpai, D Kutlán, F Tóth, I Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 339 KB

english, 2004

37

Behavior and characteristics of the o-phthaldialdehyde derivatives of n-C6–C8 amines and phenylethylamines with four additive SH-containing reagents

R Hanczkó, D Kutlán, F Tóth, I Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 557 KB

english, 2004

38

Behavior and characteristics of biogenic amines, ornithine and lysine derivatized with the o-phthalaldehyde–ethanethiol–fluorenylmethyl chloroformate reagent

R. Hanczkó, Á. Kőrös, F. Tóth, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 467 KB

english, 2005

39

Erratum to “Behavior and characteristics of biogenic amines, ornithine and lysine derivatized with the o-phthalaldehyde–ethanethiol–fluorenylmethyl chloroformate reagent” [J. Chromatogr. A 1087 (2005) 210–222]

R. Hanczko, Á. Kőrös, F. Tóth, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 57 KB

english, 2005

40

Identification and quantification of the constituents of madder root by gas chromatography and high-performance liquid chromatography

I. Boldizsár, Z. Szűcs, Zs. Füzfai, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 818 KB

english, 2006

41

Analysis of amino acids and biogenic amines in biological tissues as their o-phthalaldehyde/ethanethiol/fluorenylmethyl chloroformate derivatives by high-performance liquid chromatography: A deproteinization study

Á. Kőrös, R. Hanczkó, A. Jámbor, Y. Qian, A. Perl, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 346 KB

english, 2007

42

Gas chromatographic–mass spectrometric fragmentation study of flavonoids as their trimethylsilyl derivatives: Analysis of flavonoids, sugars, carboxylic and amino acids in model systems and in citrus fruits

Zs. Füzfai, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 979 KB

english, 2007

43

Characteristic fragmentation patterns of the trimethylsilyl and trimethylsilyl–oxime derivatives of various saccharides as obtained by gas chromatography coupled to ion-trap mass spectrometry

Zs. Füzfai, I. Boldizsár, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 635 KB

english, 2008

44

Simultaneous analysis of amino acids and amines as their o-phthalaldehyde-ethanethiol-9-fluorenylmethyl chloroformate derivatives in cheese by high-performance liquid chromatography

Á. Kőrös, Zs. Varga, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 477 KB

english, 2008

45

Multiresidue analysis of pollutants as their trimethylsilyl derivatives, by gas chromatography–mass spectrometry

Á. Sebők, A. Vasanits-Zsigrai, A. Helenkár, Gy. Záray, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 867 KB

english, 2009

46

Quantitation of amino acids in plasma by high performance liquid chromatography: Simultaneous deproteinization and derivatization with 9-fluorenylmethyloxycarbonyl chloride

A. Jámbor, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 294 KB

english, 2009

47

Mass fragmentation study of the trimethylsilyl derivatives of arctiin, matairesinoside, arctigenin, phylligenin, matairesinol, pinoresinol and methylarctigenin: Their gas and liquid chromatographic analysis in plant extracts

I. Boldizsár, Zs. Füzfai, F. Tóth, É. Sedlák, L. Borsodi, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2010

Language:

english

File:

PDF, 739 KB

english, 2010

48

Complementary fragmentation pattern analysis by gas chromatography–mass spectrometry and liquid chromatography tandem mass spectrometry confirmed the precious lignan content of Cirsium weeds

I. Boldizsár, M. Kraszni, F. Tóth, B. Noszál, I. Molnár-Perl

Journal:

Journal of Chromatography A

Year:

2010

Language:

english

File:

PDF, 520 KB

english, 2010

49

Gas chromatographic determination of isocitric and malic acid in the presence of a large excess of citric acid

I. Molnár-Perl, M. Morvai, M. Pintér-Szakács, M. Petró-Turza

Journal:

Analytica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 372 KB

english, 1990

50

Determination of total basicity and available lysine in proteins by nonaqueous titrimetry

I. Molnár-Perl, M. Pintér-Szakács

Journal:

Analytica Chimica Acta

Year:

1987

Language:

english

File:

PDF, 422 KB

english, 1987