A Pappa-Louisi: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Non-linear least-squares fitting with microsoft excel solver and related routines in HPLC modelling of retention

P. Nikitas, A. Pappa-Louisi

Journal:

Chromatographia

Year:

2000

Language:

english

File:

PDF, 1.10 MB

english, 2000

2

New insights on the retention mechanism of non-polar solutes in reversed-phase liquid chromatographic columns

P Nikitas, A Pappa-Louisi, P Agrafiotou

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 300 KB

english, 2004

3

Separation optimization in HPLC analysis implemented in R programming language

Zisi, Ch., Pappa-Louisi, A., Nikitas, P.

Journal:

Journal of Chromatography A

Year:

2019

File:

PDF, 1.85 MB

2019

4

Effects of estivation on the levels of biogenic amines and related compounds in the ganglia, the auricle, and the ventricle of the heart of the pulmonate land snailHelix lucorum (L): Evidence for physiological roles of serotonin and dopamine in the control of heart function during estivation

Rofalikou, Evagelia, Pappa-Louisi, Adriani, Michaelidis, Basile

Journal:

Journal of Experimental Zoology

Year:

1999

Language:

english

File:

PDF, 150 KB

english, 1999

5

Combined effect of temperature and organic modifier concentration on the retention under single mode gradient conditions in reversed-phase HPLC

Adriani Pappa-Louisi, Panos Nikitas, Christiana Zisi, Kostas Papachristos

Journal:

Journal of Separation Science

Year:

2008

Language:

english

File:

PDF, 491 KB

english, 2008

6

Direct RP-HPLC determination of underivatized amino acids with online dual UV absorbance, fluorescence, and multiple electrochemical detection

Panagiota Agrafiotou, Sotiris Sotiropoulos, Adriani Pappa-Louisi

Journal:

Journal of Separation Science

Year:

2009

Language:

english

File:

PDF, 587 KB

english, 2009

7

Modeling the effects of different mobile phase compositions and temperatures on the retention of various analytes in HPLC

Abolghasem Jouyban, Shahla Soltanpour, William E. Acree Jr., Dimitris Thomas, Panagiota Agrafiotou, Adriani Pappa-Louisi

Journal:

Journal of Separation Science

Year:

2009

Language:

english

File:

PDF, 155 KB

english, 2009

8

Retention prediction in reversed-phase liquid chromatography systems with methanol/water mobile phases containing different alkanols as additives

Adriani Pappa-Louisi, Panagiota Agrafiotou, Stella Fasoula

Journal:

Journal of Separation Science

Year:

2011

Language:

english

File:

PDF, 94 KB

english, 2011

9

Retention prediction of a set of amino acids under gradient elution conditions in hydrophilic interaction liquid chromatography

Helen Gika, Georgios Theodoridis, Fulvio Mattivi, Urska Vrhovsek, Adriani Pappa-Louisi

Journal:

Journal of Separation Science

Year:

2012

Language:

english

File:

PDF, 215 KB

english, 2012

10

Electrosorption of tri(n)octylphosphine oxide from methanol and water-methanolic solutions on a polarized mercury electrode

A. Pappa-Louisi, P. Nikitas, D. Jannakoudakis

Journal:

Electrochimica Acta

Year:

1984

Language:

english

File:

PDF, 391 KB

english, 1984

11

Reorientation processes and surface phase transitions—III. An investigation of the capacitance characteristics of the Hg/aqueous solution interface in the presence of methylpyridines

A. Pappa-Louisi, P. Nikitas, Ph. Andonoglou

Journal:

Electrochimica Acta

Year:

1993

Language:

english

File:

PDF, 567 KB

english, 1993

12

Reorientation processes and surface phase transitions—II. A thermodynamic interpretation of the electrocapillary data of methylpyridines adsorption on a mercury electrode

P. Nikitas, A. Pappa-Louisi

Journal:

Electrochimica Acta

Year:

1993

Language:

english

File:

PDF, 1.06 MB

english, 1993

13

Phase transformations at the Hg/aqueous solution interface in the presence of cetyltrimethylammonium cations

A. Pappa-Louisi, P. Nikitas, Ph. Andonoglou

Journal:

Electrochimica Acta

Year:

1994

Language:

english

File:

PDF, 925 KB

english, 1994

14

Interfacial behaviour of long-chain alkyl-pyrimidinium cations at the Hg/aqueous solution interface

A. Pappa-Louisi, P. Nikitas, Ph. Andonoglou, G. Kokkinidis, S. Pegiadou-Koemtjopoulou, E. Tsatsaroni

Journal:

Electrochimica Acta

Year:

1994

Language:

english

File:

PDF, 623 KB

english, 1994

15

Adsorption of alkyldiphenylphosphine oxides from aqueous solutions on a polarized mercury electrode

P. Nikitas, A. Pappa-Louisi, D. Jannakoudakis

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1984

Language:

english

File:

PDF, 188 KB

english, 1984

16

Electrochemical investigation of cetylpyridinium cation micelle adsorption at the Hg | aqueous solution interface

P. Nikitas, A. Pappa-Louisi, S. Antoniou

Journal:

Journal of Electroanalytical Chemistry

Year:

1994

Language:

english

File:

PDF, 833 KB

english, 1994

17

Adsorption parameters within the unstable region of thymine on the Hg electrode and the problem of the size ratio parameter

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Electroanalytical Chemistry

Year:

1993

Language:

english

File:

PDF, 243 KB

english, 1993

18

The surface potential shift upon adsorption at the air |solution and the uncharged Hg|solution interfaces

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Electroanalytical Chemistry

Year:

1995

Language:

english

File:

PDF, 584 KB

english, 1995

19

The effect of adsorption of the triphenyl compounds of the group VA elements at the mercury/methanolic solution interface on electrode reactions

P. Nikitas, A. Pappa-Louisi, D. Jannakoudakis

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1985

Language:

english

File:

PDF, 746 KB

english, 1985

20

New approach to linear gradient elution used for optimisation in reversed-phase liquid chromatography

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 296 KB

english, 2005

21

Optimization of separation and detection of 6-aminoquinolyl derivatives of amino acids by using reversed-phase liquid chromatography with on line UV, fluorescence and electrochemical detection

A. Pappa-Louisi, P. Nikitas, P. Agrafiotou, A. Papageorgiou

Journal:

Analytica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 340 KB

english, 2007

22

Two- and three-parameter equations for representation of retention data in reversed-phase liquid chromatography

A. Pappa-Louisi, P. Nikitas, P. Balkatzopoulou, C. Malliakas

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 192 KB

english, 2004

23

Optimisation technique for stepwise gradient elution in reversed-phase liquid chromatography

P Nikitas, A Pappa-Louisi, K Papachristos

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 234 KB

english, 2004

24

Retention prediction in ternary solvent reversed-phase liquid chromatography systems based on the variation of retention with binary mobile phase composition

A. Pappa-Louisi, P. Nikitas, M. Karageorgaki

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 216 KB

english, 2005

25

Multilinear gradient elution optimisation in reversed-phase liquid chromatography using genetic algorithms

P. Nikitas, A. Pappa-Louisi, P. Agrafiotou

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 230 KB

english, 2006

26

Column equilibration effects in gradient elution in reversed-phase liquid chromatography

A. Pappa-Louisi, P. Nikitas, P. Agrafiotou

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 224 KB

english, 2006

27

Simple algorithms for fitting and optimisation for multilinear gradient elution in reversed-phase liquid chromatography

P. Nikitas, A. Pappa-Louisi, A. Papageorgiou

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 399 KB

english, 2007

28

Optimisation of multilinear gradient elutions in reversed-phase liquid chromatography using ternary solvent mixtures

A. Pappa-Louisi, P. Nikitas, A. Papageorgiou

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 245 KB

english, 2007

29

Modeling the combined effect of temperature and organic modifier content on reversed-phase chromatographic retention: Effectiveness of derived models in isocratic and isothermal mode retention prediction

A. Pappa-Louisi, P. Nikitas, K. Papachristos, C. Zisi

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 305 KB

english, 2008

30

Retention models for isocratic and gradient elution in reversed-phase liquid chromatography

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 549 KB

english, 2009

31

Simple models for the effect of aliphatic alcohol additives on the retention in reversed-phase liquid chromatography

P. Nikitas, A. Pappa-Louisi, P. Agrafiotou, S. Fasoula

Journal:

Journal of Chromatography A

Year:

2011

Language:

english

File:

PDF, 383 KB

english, 2011

32

Multilinear gradient elution optimization in reversed-phase liquid chromatography based on logarithmic retention models: Application to separation of a set of purines, pyrimidines and nucleosides

P. Nikitas, A. Pappa-Louisi, P. Agrafiotou, A. Mansour

Journal:

Journal of Chromatography A

Year:

2011

Language:

english

File:

PDF, 312 KB

english, 2011

33

Comments on the two-dimensional smoothing of data

P Nikitas, A Pappa-Louisi

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 149 KB

english, 2000

34

A general approach to the derivation of peak area flow dependence in FIA and HPLC amperometric detection

P Agrafiotou, C Maliakas, A Pappa-Louisi, S Sotiropoulos

Journal:

Electrochimica Acta

Year:

2003

Language:

english

File:

PDF, 2.53 MB

english, 2003

35

On the equations describing chromatographic peaks and the problem of the deconvolution of overlapped peaks

P Nikitas, A Pappa-Louisi, A Papageorgiou

Journal:

Journal of Chromatography A

Year:

2001

Language:

english

File:

PDF, 292 KB

english, 2001

36

On the use of genetic algorithms for response surface modeling in high-performance liquid chromatography and their combination with the Microsoft Solver

P Nikitas, A Pappa-Louisi, A Papageorgiou, A Zitrou

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 131 KB

english, 2002

37

Effect of the organic modifier concentration on the retention in reversed-phase liquid chromatography: I. General semi-thermodynamic treatment for adsorption and partition mechanisms

P. Nikitas, A. Pappa-Louisi, P. Agrafiotou

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 272 KB

english, 2002

38

Effect of the organic modifier concentration on the retention in reversed-phase liquid chromatography: II. Tests using various simplified models

P. Nikitas, A. Pappa-Louisi, P. Agrafiotou

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 211 KB

english, 2002

39

Interfacial behaviour of diphenylalkylphosphine oxides at the mercury-methanolic solution interface

P. Nikitas, A. Pappa-Louisi, D. Jannakoudakis

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1984

Language:

english

File:

PDF, 594 KB

english, 1984

40

Study on the electrochemical detection of the macrolide antibiotics clarithromycin and roxithromycin in reversed-phase high-performance liquid chromatography

A Pappa-Louisi, A Papageorgiou, A Zitrou, S Sotiropoulos, E Georgarakis, F Zougrou

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

2001

Language:

english

File:

PDF, 140 KB

english, 2001

41

The role of mobile-phase pH in the determination of catecholamine-related compounds by reversed-phase liquid chromatography with amperometric detection

A. Pappa-Louisi, F. Zougrou

Journal:

Chromatographia

Year:

1997

Language:

english

File:

PDF, 621 KB

english, 1997

42

Statistical tests for the selection of the optimum parameters set in models describing response surfaces in reversed-phase liquid chromatography

A. Pappa-Louisi, P. Nikitas

Journal:

Chromatographia

Year:

2003

Language:

english

File:

PDF, 793 KB

english, 2003

43

Reversed-phase liquid chromatographic behavior of the macrolide antibiotics clarithromycin and roxithromycin

A. Pappa-Louisi, P. Agrafiotou

Journal:

Chromatographia

Year:

2002

Language:

english

File:

PDF, 763 KB

english, 2002

44

Non-linear least-squares fitting with excel solver and related routines in HPLC modelling of retention

A. Pappa-Louisi, P. Nikitas

Journal:

Chromatographia

Year:

2000

Language:

english

File:

PDF, 625 KB

english, 2000

45

Retention modeling under organic modifier gradient conditions in ion-pair reversed-phase chromatography. Application to the separation of a set of underivatized amino acids

A. Pappa-Louisi, P. Agrafiotou, K. Papachristos

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 203 KB

english, 2010

46

Electrosorption from dilute solutions of solvents with asymmetric molecules

P. Nikitas, A. Pappa-Louisi

Journal:

Electrochimica Acta

Year:

1989

Language:

english

File:

PDF, 653 KB

english, 1989

47

A test of the maximum bubble pressure method for electrocapillary measurements

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1987

Language:

english

File:

PDF, 832 KB

english, 1987

48

New equations describing the combined effect of pH and organic modifier concentration on the retention in reversed-phase liquid chromatography

P. Nikitas, A. Pappa-Louisi

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 177 KB

english, 2002

49

Expressions of the Fundamental Equation of Gradient Elution and a Numerical Solution of These Equations under Any Gradient Profile

Nikitas, P., Pappa-Louisi, A.

Journal:

Analytical Chemistry

Year:

2005

Language:

english

File:

PDF, 284 KB

english, 2005

50

Combined Effect of Temperature and Ternary Mobile Phase Composition on the Retention in Ternary Isocratic and Gradient Elution RP-LC under Isothermal Conditions. Application to the Retention Prediction of Four Macrolide Antibiotics

Adriani Pappa-Louisi, Panagiota Agrafiotou, Dimitris Thomas, Kostas Papachristos

Journal:

Chromatographia

Year:

2010

Language:

english

File:

PDF, 331 KB

english, 2010

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски