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1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

Standardization of cation-exchange clean-up prior to gas chromatography of amino acids

Valéria Fábián, Magdolna Morvai, Margit Pintér-Szakács, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 414 KB

english, 1991

16

Simultaneous gas—liquid chromatographic determination of sugars and organic acids as trimethylsilyl derivatives in vegetables and strawberries

Magdolna Morvai, Ibolya Molnár-Perl, Dezsó Knausz

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 490 KB

english, 1991

17

Comparison of the stability and UV and fluorescence characteristics of the o-phthaldialdehyde/3-mercaptopropionic acid and o-phthaldialdehyde/N-acetyl-l-cysteine reagents and those of their amino acid derivatives

Ibolya Molnár-Perl, Imre Bozor

Journal:

Journal of Chromatography A

Year:

1998

Language:

english

File:

PDF, 120 KB

english, 1998

18

Temperature, eluent flow-rate and column effects on the retention and quantitation properties of phenylthiocarbamyl derivatives of amino acids in reversed-phase high-performance liquid chromatography

Anikó Vasanits, Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 312 KB

english, 1999

19

Stability and characteristics of the o-phthaldialdehyde/3-mercaptopropionic acid and o-phthaldialdehyde/N-acetyl-l-cysteine reagents and their amino acid derivatives measured by high-performance liquid chromatography

Ibolya Molnár-Perl, Anikó Vasanits

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 548 KB

english, 1999

20

Extraction and quantification of the raffinosaccharides in soya bean

Ibolya Molnár-Perl, Margit Szakács-Pintér, Ágnes Kövágó, János Petróczy

Journal:

Carbohydrate Research

Year:

1985

Language:

english

File:

PDF, 416 KB

english, 1985

21

Advancement in the derivatizations of the amino groups with the o-phthaldehyde-thiol and with the 9-fluorenylmethyloxycarbonyl chloride reagents

Ibolya Molnár-Perl

Journal:

Journal of Chromatography B

Year:

2011

Language:

english

File:

PDF, 2.83 MB

english, 2011

22

Tryptophan analysis in peptides and proteins, mainly by liquid chromatography

Ibolya Molnár-Perl

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 746 KB

english, 1997

23

Identification and Quantification of Lignans, Carboxylic Acids and Sugars in the Leaves ofForsythiaSpecies and Cultivars

Éva Sedlák, Imre Boldizsár, Lilla Borsodi, Zsófia Füzfai, Ibolya Molnár-Perl, Éva Preininger, István Gyurján

Journal:

Chromatographia

Year:

2008

Language:

english

File:

PDF, 363 KB

english, 2008

24

Optimum Yields of Dibenzylbutyrolactone-type Lignans from Cynareae Fruits, During their Ripening, Germination and Enzymatic Hydrolysis Processes, Determined by On-line Chromatographic Methods

Lilla Szokol-Borsodi, Anna Sólyomváry, Ibolya Molnár-Perl, Imre Boldizsár

Journal:

Phytochemical Analysis

Year:

2012

Language:

english

File:

PDF, 200 KB

english, 2012

25

Monitoring of Maillard reactions in soy products

Ibolya Molnár-Perl, Margit Pintér-Szakács

Journal:

European Food Research and Technology

Year:

1986

Language:

english

File:

PDF, 640 KB

english, 1986

26

The 1,4-cyclohexanedione-bromate-acid oscillatory system I. Its organic chemistry

Krisztina Kurin-Csörgei, István Szalai, Ibolya Molnár-Perl, Endre Kőrös

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

1994

Language:

english

File:

PDF, 241 KB

english, 1994

27

[Journal of Chromatography Library] Advanced Chromatographic and Electromigration Methods in BioSciences Volume 60 || Amino Acids

Molnár-Perl, Ibolya

Year:

1998

Language:

english

File:

PDF, 1.95 MB

english, 1998

28

Advancements in the rapid and sensitive analyses of tryptophan and its metabolites, by chromatography

Ibolya Molnár-Perl

Journal:

International Congress Series

Year:

2007

Language:

english

File:

PDF, 859 KB

english, 2007

29

[Journal of Chromatography Library] Quantitation of amino acids and amines by chromatography - methods and protocols Volume 70 || 1.2.2. HPLC of amino acids as phenylthiocarbamoyl derivatives

Molnár-Perl, Ibolya

Year:

2005

Language:

english

File:

PDF, 1.41 MB

english, 2005

30

[Journal of Chromatography Library] Quantitation of amino acids and amines by chromatography - methods and protocols Volume 70 || 1.2.3. HPLC of amino acids as o-phthalaldehyde derivatives

Molnár-Perl, Ibolya

Year:

2005

Language:

english

File:

PDF, 2.02 MB

english, 2005

31

Simultaneous Identification and Quantification of the Sugar, Sugar Alcohol, and Carboxylic Acid Contents of Sour Cherry, Apple, and Ber Fruits, as Their Trimethylsilyl Derivatives, by Gas Chromatography−Mass Spectrometry

Füzfai, Zsófia, Katona, Zsolt F., Kovács, Etelka, Molnár-Perl, Ibolya

Journal:

Journal of Agricultural and Food Chemistry

Year:

2004

Language:

english

File:

PDF, 535 KB

english, 2004

32

Characterization of the endogenous enzymatic hydrolyses of Petroselinum crispum glycosides: Determined by chromatography upon their sugar and flavonoid products

Boldizsár, Imre, Füzfai, Zsófia, Molnár-Perl, Ibolya

Journal:

Journal of Chromatography A

Year:

2013

Language:

english

File:

PDF, 1.19 MB

english, 2013

33

[Journal of Chromatography Library] Quantitation of amino acids and amines by chromatography - methods and protocols Volume 70 || 3. Quantitation of amino acids and amines, simultaneously

Molnár-Perl, Ibolya

Year:

2005

Language:

english

File:

PDF, 1.72 MB

english, 2005

34

[Journal of Chromatography Library] Quantitation of amino acids and amines by chromatography - methods and protocols Volume 70 || 2.2.1. HPLC of amines as o-phthalaldehyde derivatives

Molnár-Perl, Ibolya

Year:

2005

Language:

english

File:

PDF, 2.59 MB

english, 2005

35

Removal of emerging micropollutants from water using cyclodextrin

Nagy, Zsuzsanna Magdolna, Molnár, Mónika, Fekete-Kertész, Ildikó, Molnár-Perl, Ibolya, Fenyvesi, Éva, Gruiz, Katalin

Journal:

Science of The Total Environment

Year:

2014

Language:

english

File:

PDF, 958 KB

english, 2014

36

Inhibiton of browning by sulfur amino acids. 2. Fruit juices and protein-containing foods

Molnar-Perl, Ibolya, Friedman, Mendel

Journal:

Journal of Agricultural and Food Chemistry

Year:

1990

Language:

english

File:

PDF, 539 KB

english, 1990

37

Inhibition of browning by sulfur amino acids. 3. Apples and potatoes

Molnar-Perl, Ibolya, Friedman, Mendel

Journal:

Journal of Agricultural and Food Chemistry

Year:

1990

Language:

english

File:

PDF, 4.30 MB

english, 1990

38

Determination of steroids in the dissolved and in the suspended phases of wastewater and Danube River samples by gas chromatography, tandem mass spectrometry

Andrási, Nóra, Molnár, Borbála, Dobos, Bernadett, Vasanits-Zsigrai, Anikó, Záray, Gyula, Molnár-Perl, Ibolya

Journal:

Year:

2013

Language:

english

File:

PDF, 796 KB

english, 2013

39

Identification and quantification of lignans and sesquilignans in the fruits of Cnicus benedictus L.: Quantitative chromatographic and spectroscopic approaches

Sólyomváry, Anna, Tóth, Gergő, Kraszni, Márta, Noszál, Béla, Molnár-Perl, Ibolya, Boldizsár, Imre

Journal:

Microchemical Journal

Year:

2014

Language:

english

File:

PDF, 1.26 MB

english, 2014

40

Inhibition of browning by sulfur amino acids. 1. Heated amino acid-glucose systems

Friedman, Mendel, Molnar-Perl, Ibolya

Journal:

Journal of Agricultural and Food Chemistry

Year:

1990

Language:

english

File:

PDF, 672 KB

english, 1990

41

Endogenous enzyme-hydrolyzed fruit of Cirsium brachycephalum: Optimal source of the antiproliferative lignan trachelogenin regulating the Wnt/β-Catenin signaling pathway in the SW480 colon adenocarcinoma cell line

Mervai, Zsolt, Sólyomváry, Anna, Tóth, Gergő, Noszál, Béla, Molnár-Perl, Ibolya, Baghy, Kornélia, Kovalszky, Ilona, Boldizsár, Imre

Journal:

Year:

2015

Language:

english

File:

PDF, 697 KB

english, 2015

42

Hexamethyldisilazane as an Acylation Generator for Perfluorocarboxylic Acids in Quantitative Derivatization of Primary Phenylalkyl Amines Confirmed by GC/MS and Computations

Molnár, Borbála, Csámpai, Antal, Molnár-Perl, Ibolya

Journal:

Analytical Chemistry

Year:

2015

Language:

english

File:

PDF, 621 KB

english, 2015

43

Letter to the Editor

Molnár-Perl, Ibolya

Journal:

Analytical Letters

Year:

1985

Language:

english

File:

PDF, 75 KB

english, 1985

44

Identification and isolation of new neolignan and sesquineolignan species: Their acid-catalyzed ring closure and specific accumulation in the fruit wall of Cirsium eriophorum (L.) Scop.

Sólyomváry, Anna, Tóth, Gergő, Komjáti, Balázs, Horváth, Péter, Kraszni, Márta, Noszál, Béla, Molnár-Perl, Ibolya, Boldizsár, Imre

Journal:

Process Biochemistry

Year:

2015

Language:

english

File:

PDF, 581 KB

english, 2015

45

Quantitative Silylation Speciations of Primary Phenylalkyl Amines, Including Amphetamine and 3,4-Methylenedioxyamphetamine Prior to Their Analysis by GC/MS

Molnár, Borbála, Fodor, Blanka, Boldizsár, Imre, Molnár-Perl, Ibolya

Journal:

Analytical Chemistry

Year:

2015

Language:

english

File:

PDF, 1.93 MB

english, 2015

46

A simple and effective enrichment process of the antiproliferative lignan arctigenin based on the endogenous enzymatic hydrolysis of Serratula tinctoria and Arctium lappa fruits

Sólyomváry, Anna, Mervai, Zsolt, Tóth, Gergő, Ress, Ágnes Evelin, Noszál, Béla, Molnár-Perl, Ibolya, Baghy, Kornélia, Kovalszky, Ilona, Boldizsár, Imre

Journal:

Process Biochemistry

Year:

2015

Language:

english

File:

PDF, 840 KB

english, 2015

47

Trimethylsilyl speciations of cathine, cathinone and norephedrine followed by gas chromatography mass spectrometry: direct sample preparation and analysis of khatamines

Molnár, Borbála, Fodor, Blanka, Boldizsár, Imre, Molnár-Perl, Ibolya

Journal:

Journal of Chromatography A

Year:

2016

Language:

english

File:

PDF, 544 KB

english, 2016

48

Optimized conversion of antiproliferative lignans pinoresinol and epipinoresinol: Their simultaneous isolation and identification by centrifugal partition chromatography and high performance liquid chromatography

Sólyomváry, Anna, Alberti, Ágnes, Darcsi, András, Könye, Rita, Tóth, Gergő, Noszál, Béla, Molnár-Perl, Ibolya, Lorántfy, László, Dobos, Judit, Őrfi, László, Béni, Szabolcs, Boldizsár, Imre

Journal:

Journal of Chromatography B

Year:

2017

Language:

english

File:

PDF, 619 KB

english, 2017

49

Alkylsilyl speciation and direct sample preparation of plant cannabinoids prior to their analysis by GC-MS

Fodor, Blanka, Boldizsár, Imre, Molnár-Perl, Ibolya

Journal:

Analytica Chimica Acta

Year:

2018

Language:

english

File:

PDF, 3.49 MB

english, 2018

50

Chemodiversity of Cirsium fruits: Antiproliferative lignans, neolignans and sesquineolignans as chemotaxonomic markers

Könye, Rita, Tóth, Gergő, Sólyomváry, Anna, Mervai, Zsolt, Zürn, Moritz, Baghy, Kornélia, Kovalszky, Ilona, Horváth, Péter, Molnár-Perl, Ibolya, Noszál, Béla, Béni, Szabolcs, Boldizsár, Imre

Journal:

Year:

2018

Language:

english

File:

PDF, 1.02 MB

english, 2018