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51

Simultaneous liquid chromatographic determination of metals and organic compounds in pharmaceutical and food-supplement formulations using evaporative light scattering detection

Zdenek Spacil, Jana Folbrova, Nikolaos Megoulas, Petr Solich, Michael Koupparis

Journal:

Analytica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 176 KB

english, 2007

52

Development of a novel method based on liquid chromatography–evaporative light scattering detection for the direct determination of streptomycin and dihydrostreptomycin in raw materials, pharmaceutical formulations, culture media and plasma

Artemis K. Sarri, Nikolaos C. Megoulas, Michael A. Koupparis

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 95 KB

english, 2006

53

Gas chromatographic quantitative structure–retention relationships of trimethylsilylated anabolic androgenic steroids by multiple linear regression and partial least squares

A.G. Fragkaki, A. Tsantili-Kakoulidou, Y.S. Angelis, M. Koupparis, C. Georgakopoulos

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 1.17 MB

english, 2009

54

Effect of suppressor current intensity on the determination of glyphosate and aminomethylphosphonic acid by suppressed conductivity ion chromatography

Ioannis K. Dimitrakopoulos, Nikolaos S. Thomaidis, Nikolaos C. Megoulas, Michael A. Koupparis

Journal:

Journal of Chromatography A

Year:

2010

Language:

english

File:

PDF, 801 KB

english, 2010

55

External calibration in Gas Chromatography–Combustion–Isotope Ratio Mass Spectrometry measurements of endogenous androgenic anabolic steroids in sports doping control

Maroula K. Kioussi, Yiannis S. Angelis, Adam T. Cawley, Michalis Koupparis, Rymantas Kazlauskas, J. Thomas Brenna, Costas G. Georgakopoulos

Journal:

Journal of Chromatography A

Year:

2011

Language:

english

File:

PDF, 375 KB

english, 2011

56

Non-suppression of Testosterone in Patients with a Rising Prostate-specific Antigen Level Receiving Luteinising Hormone-releasing Hormone Analogues for Metastatic Prostate Cancer

A.J. Koupparis, C. Tyrrell

Journal:

Clinical Oncology

Year:

2006

Language:

english

File:

PDF, 51 KB

english, 2006

57

Comparison of performance of C18 monolithic rod columns and conventional C18 particle-packed columns in liquid chromatographic determination of Estrogel and Ketoprofen gel

Lucie Nováková, Ludmila Matysová, Dagmar Solichová, Michael A. Koupparis, Petr Solich

Journal:

Journal of Chromatography B

Year:

2004

Language:

english

File:

PDF, 229 KB

english, 2004

58

Metabolism of isometheptene in human urine and analysis by gas chromatography–mass spectrometry in doping control

Emmanouil Lyris, George Tsiakatouras, Yiannis Angelis, Michael Koupparis, Maria-Helen Spyridaki, Costas Georgakopoulos

Journal:

Journal of Chromatography B

Year:

2005

Language:

english

File:

PDF, 388 KB

english, 2005

59

The hypnospectrogram: An EEG power spectrum based means to concurrently overview the macroscopic and microscopic architecture of human sleep

Vasileios Kokkinos, Andreas Koupparis, Maria L. Stavrinou, George K. Kostopoulos

Journal:

Journal of Neuroscience Methods

Year:

2009

Language:

english

File:

PDF, 4.64 MB

english, 2009

60

Development and validation of a novel LC/ELSD method for the quantitation of gentamicin sulfate components in pharmaceuticals

Nikolaos C. Megoulas, Michael A. Koupparis

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2004

Language:

english

File:

PDF, 106 KB

english, 2004

61

Simultaneous HPLC determination of ketoprofen and its degradation products in the presence of preservatives in pharmaceuticals

J. Dvořák, R. Hájková, L. Matysová, L. Nováková, M.A. Koupparis, P. Solich

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2004

Language:

english

File:

PDF, 94 KB

english, 2004

62

Investigation of the retention/pH profile of zwitterionic fluoroquinolones in reversed-phase and ion-interaction high performance liquid chromatography

C. Pistos, A. Tsantili-Kakoulidou, M. Koupparis

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2005

Language:

english

File:

PDF, 261 KB

english, 2005

63

Development and validation of a novel LC non-derivatization method for the determination of amikacin in pharmaceuticals based on evaporative light scattering detection

Evagelia G. Galanakis, Nikolaos C. Megoulas, Petr Solich, Michael A. Koupparis

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2006

Language:

english

File:

PDF, 128 KB

english, 2006

64

Kinetic-potentiometric study and analytical applications of micellar-catalysed reactions of 1-fluoro-2,4-dinitrobenzene with amino compounds

E. Athanasiou-Malaki, M.A. Koupparis

Journal:

Analytica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 832 KB

english, 1989

65

Indirect potentiometric determination of α-amino acids with a copper-selective electrode and determination of dopa and methyldopa in pharmaceutical preparations

E.M. Athanasiou-Malaki, M.A. Koupparis

Journal:

Analytica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 362 KB

english, 1984

66

Automated flow-injection determination of sulfonamides by the bratton—marshall reaction for clinical analysis, assays and dissolution studies of formulations

M.A. Koupparis, P.I. Anagnostopoulou

Journal:

Analytica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 790 KB

english, 1988

67

Automated stopped-flow system in pharmaceutical and clinical analysis : Kinetic determination of acetaminophen in formulations and serum by using the iron(II)—2,4,6-tris(2-pyridyl)-s-triazine

M.A. Koupparis, K.E. Evagorou, T.P. Hadjiioannou

Journal:

Analytica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 777 KB

english, 1989

68

Automated flow injection fluorimetric determination and dissolution studies of bumetanide in pharmaceuticals

Petr Solich, Christoforos K Polydorou, Michael A Koupparis, Constantinos E Efstathiou

Journal:

Analytica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 107 KB

english, 2001

69

A kinetic method for the microdetermination of perbromate

L.A. Lazarou, P.A. Siskos, M.A. Koupparis, T.P. Hadjiioannou, E.H. Appelman

Journal:

Analytica Chimica Acta

Year:

1977

Language:

english

File:

PDF, 274 KB

english, 1977

70

A kinetic study of the permanganate—oxalate reaction and kinetic determination of manganese(II) and oxalic acid by the stopped-flow technique

M.A Koupparis, M.I Karayannis

Journal:

Analytica Chimica Acta

Year:

1982

Language:

english

File:

PDF, 459 KB

english, 1982

71

Kinetic determination of formaldehyde and hexamethylenetetramine with a cyanide-selective electrode

M.A. Koupparis, C.E. Efstathiou, T.P. Hadjiioannou

Journal:

Analytica Chimica Acta

Year:

1979

Language:

english

File:

PDF, 720 KB

english, 1979

72

Kinetic determination of iodide and osmium(VIII) with a chloramine-t-selective electrode

M.A. Koupparis, T.P. Hadjiioannou

Journal:

Analytica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 391 KB

english, 1978

73

Development and validation of liquid chromatographic method for the determination of lycopene in plasma

Z.D Tzouganaki, J Atta-Politou, M.A Koupparis

Journal:

Analytica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 116 KB

english, 2002

74

Automated flow-injection spectrophotometric determination of catecholamines (epinephrine and isoproterenol) in pharmaceutical formulations based on ferrous complex formation

P. Solich, Ch.K. Polydorou, M.A. Koupparis, C.E. Efstathiou

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2000

Language:

english

File:

PDF, 121 KB

english, 2000

75

Determination of the dissociation constants of the cephalosporins cefepime and cefpirome using UV spectrometry and pH potentiometry

Vassilis Evagelou, Anna Tsantili-Kakoulidou, Michael Koupparis

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2003

Language:

english

File:

PDF, 227 KB

english, 2003

76

Flow-injection fluorimetric determination of 1,4-benzodiazepines in pharmaceutical formulations after acid hydrolysis

J. Dolejšová, P. Solich, Ch.K. Polydorou, M.A. Koupparis, C.E. Efstathiou

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1999

Language:

english

File:

PDF, 104 KB

english, 1999

77

Harmless herbs: a cause for concern?

L. S. Koupparis

Journal:

Year:

2000

Language:

english

File:

PDF, 287 KB

english, 2000

78

Pneumococcal acute otitis media in children

G. Kouppari, A. Zaphiropoulou, G. Stamos, V. Deliyianni, N. Apostolopoulos, N. J. Legakis

Journal:

Clinical Microbiology and Infection

Year:

2000

Language:

english

File:

PDF, 217 KB

english, 2000

79

A 32-year-old woman with fever, sore throat, jaundice and pulmonary infiltrates

C. Loupa, D. Voyatzoglou, H. Papadaki, G. Kouppari, G. Saroglou

Journal:

Clinical Microbiology and Infection

Year:

2000

Language:

english

File:

PDF, 304 KB

english, 2000

80

Determination of catalase-like activity in plants based on the amperometric monitoring of hydrogen peroxide consumption using a carbon paste electrode modied with ruthenium(IV) oxide

Melpomeni F. Dousikou, Michael A. Koupparis, Constantinos E. Efstathiou

Journal:

Phytochemical Analysis

Year:

2006

Language:

english

File:

PDF, 212 KB

english, 2006

81

Direct injection liquid chromatography/electrospray ionization mass spectrometric horse urine analysis for the quantification and confirmation of threshold substances for doping control. II. Determination of theobromine

A. Vonaparti, E. Lyris, I. Panderi, M. Koupparis, C. Georgakopoulos

Journal:

Rapid Communications in Mass Spectrometry

Year:

2009

Language:

english

File:

PDF, 273 KB

english, 2009

82

Preventive doping control screening analysis of prohibited substances in human urine using rapid-resolution liquid chromatography/high-resolution time-of-flight mass spectrometry

A. Vonaparti, E. Lyris, Y. S. Angelis, I. Panderi, M. Koupparis, A. Tsantili-Kakoulidou, R. J. B. Peters, M.W.F. Nielen, C. Georgakopoulos

Journal:

Rapid Communications in Mass Spectrometry

Year:

2010

Language:

english

File:

PDF, 519 KB

english, 2010

83

Semi-automatic catalytic titration of some aminopoly-carboxylic acids, copper(II), and cobalt(II)

M. M. Timotheou-Potamia, M. A. Koupparis, T. P. Hadjiioannou

Journal:

Microchimica Acta

Year:

1982

Language:

english

File:

PDF, 329 KB

english, 1982

84

Use of chloramine-T selective electrode in the kinetic microdetermination of iodide by means of its catalytic effect on the chloramine-T—hydrogen peroxide reaction

M. A. Koupparis, T. P. Hadjiioannou

Journal:

Microchimica Acta

Year:

1978

Language:

english

File:

PDF, 285 KB

english, 1978

85

Direct injection horse urine analysis for the quantification and identification of threshold substances for doping control. III. Determination of salicylic acid by liquid chromatography/quadrupole time-of-flight mass spectrometry

A. Vonaparti, E. Lyris, I. Panderi, M. Koupparis, C. Georgakopoulos

Journal:

Analytical and Bioanalytical Chemistry

Year:

2009

Language:

english

File:

PDF, 229 KB

english, 2009

86

Development of a fast and selective method for the sensitive determination of anatoxin-a in lake waters using liquid chromatography–tandem mass spectrometry and phenylalanine-d5as internal standard

Ioannis K. Dimitrakopoulos, Triantafyllos S. Kaloudis, Anastasia E. Hiskia, Nikolaos S. Thomaidis, Michael A. Koupparis

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 216 KB

english, 2010

87

Stabilization of human urine doping control samples: IV. Human chorionic gonadotropin

Maria Tsivou, Helen A. Dimopoulou, Dimitris G. Georgakopoulos, Michael Α. Koupparis, Julia Atta-Politou, Costas G. Georgakopoulos

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 162 KB

english, 2010

88

Stabilization of human urine doping control samples: a current opinion

Maria Tsivou, Dimitrios G. Georgakopoulos, Helen A. Dimopoulou, Michael Α. Koupparis, Julia Atta-Politou, Costas G. Georgakopoulos

Journal:

Analytical and Bioanalytical Chemistry

Year:

2011

Language:

english

File:

PDF, 4.78 MB

english, 2011

89

Optimization and Comparison of ESI and APCI LC-MS/MS Methods: A Case Study of Irgarol 1051, Diuron, and their Degradation Products in Environmental Samples

Niki C. Maragou, Nikolaos S. Thomaidis, Michael A. Koupparis

Journal:

Journal of the American Society for Mass Spectrometry

Year:

2011

Language:

english

File:

PDF, 671 KB

english, 2011

90

Kinetic potentiometric determination of creatinine in urine with a picrate-ion-selective electrode

E.P. Diamandis, M.A. Koupparis, T.P. Hadjiioannou

Journal:

Microchemical Journal

Year:

1977

Language:

english

File:

PDF, 314 KB

english, 1977

91

Ion-chromatographic determination of carbocisteine in pharmaceuticals based on non-suppressed conductimetric detection

Nikolaos C Megoulas, Michael A Koupparis

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 112 KB

english, 2004

92

Construction, analytical study and application of a new chloramine-t selective electrode

M.A. Koupparis, T.P. Hadjiioannou

Journal:

Analytica Chimica Acta

Year:

1977

Language:

english

File:

PDF, 714 KB

english, 1977

93

Automated determination of nitrate in waters with a reduction column in a microcomputer-based stopped-flow sample processing system

M.A. Koupparis, K.M. Walczak, H.V. Malmstadt

Journal:

Analytica Chimica Acta

Year:

1982

Language:

english

File:

PDF, 633 KB

english, 1982

94

Evaluation of a perchlorate-selective electrode for catalytic titrations involving periodate indicator reactions

T.P. Hadjiioannou, M.A. Koupparis, C.E. Efstathiou

Journal:

Analytica Chimica Acta

Year:

1977

Language:

english

File:

PDF, 467 KB

english, 1977

95

Photochemistry of constrained non-conjugated arene-ethene bichromophoric systems

G.C.R. Ellis-Davies, J. Cornelisse, A. Gilbert, A. Kashoulis-Koupparis

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 267 KB

english, 1988

96

An unusual presentation of metastatic prostate cancer

A.J. KOUPPARIS, A. THOMAS, M. BROWN, M. WRIGHT

Journal:

BJU International

Year:

2003

Language:

english

File:

PDF, 54 KB

english, 2003

97

Cognitive effects of hormonal treatment for prostate cancer

A. Koupparis, A. Ramsden, R. Persad

Journal:

BJU International

Year:

2004

Language:

english

File:

PDF, 98 KB

english, 2004

98

Cavernosal dysfunction in a rabbit model of hyperhomocysteinaemia

Robert W.A. Jones, Jamie Y. Jeremy, Anthony Koupparis, Raj Persad, Nilima Shukla

Journal:

BJU International

Year:

2005

Language:

english

File:

PDF, 107 KB

english, 2005

99

Is the therapeutic action of sildenafil mediated partly through the inhibition of superoxide formation?

Jamie Y. Jeremy, Anthony Koupparis, Saima Muzaffar, Raj Persad, Gianni D. Angelini, Nilima Shukla

Journal:

BJU International

Year:

2005

Language:

english

File:

PDF, 137 KB

english, 2005

100

Sildenafil inhibits the formation of superoxide and the expression of gp47phox NAD[P]H oxidase induced by the thromboxane A2 mimetic, U46619, in corpus cavernosal smooth muscle cells

Anthony J. Koupparis, Jamie Y. Jeremy, Saima Muzaffar, Raj Persad, Nilima Shukla

Journal:

BJU International

Year:

2005

Language:

english

File:

PDF, 189 KB

english, 2005