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51

A DPP study of ranitidine permeability

Luis J. Nuñez-Vergara, G. Donoso, A. Roman, J.A. Squella

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1988

Language:

english

File:

PDF, 496 KB

english, 1988

52

Polarography as a technique for determining photodegradation in calcium antagonists

J.A. Squella, L.J. Nuñez-Vergara

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1990

Language:

english

File:

PDF, 359 KB

english, 1990

53

Electrochemical study of the nitro radical anion from nicardipine: Kinetic parameters and its interaction with glutathione

J.A. Squella, S. Bollo, J. de la Fuente, L.J. Nuñez-Vergara

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1994

Language:

english

File:

PDF, 556 KB

english, 1994

54

Nitro radical anion formation from nifurtimox II: electrochemical evidence

Luis J. Núñez-Vergara, J. Aldunate, M.E. Letelier, S. Bollo, Y. Repetto, A. Morello, P.L. Spencer, J.A. Squella

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1995

Language:

english

File:

PDF, 272 KB

english, 1995

55

Structural effects on the reactivity 1,4-dihydropyridines with alkylperoxyl radicals and ABTS radical cation

C Yáñez, C López-Alarcón, C Camargo, V Valenzuela, J.A Squella, L.J Núñez-Vergara

Journal:

Bioorganic & Medicinal Chemistry

Year:

2004

Language:

english

File:

PDF, 373 KB

english, 2004

56

A simple derivatization of multiwalled carbon nanotubes with nitroaromatics in aqueous media: Modification with nitroso/hydroxylamine groups

R. Moscoso, J. Carbajo, M. Lopez, L.J. Núñez-Vergara, J.A. Squella

Journal:

Electrochemistry Communications

Year:

2011

Language:

english

File:

PDF, 502 KB

english, 2011

57

Voltammetric oxidation of Hantzsch 1,4-dihydropyridines in protic media: substituent effect on positions 3,4,5 of the heterocyclic ring

J. Arguello, L.J. Núñez-Vergara, J.C. Sturm, J.A. Squella

Journal:

Electrochimica Acta

Year:

2004

Language:

english

File:

PDF, 207 KB

english, 2004

58

Voltammetric reduction of 4-nitroimidazole derivatives: Influence of the N-1 substitution in protic and aprotic media

S. Bollo, P. Jara-Ulloa, G. Zapata-Torres, E. Cutiño, J.C. Sturm, L.J. Núñez-Vergara, J.A. Squella

Journal:

Electrochimica Acta

Year:

2010

Language:

english

File:

PDF, 1.03 MB

english, 2010

59

A polarographic study of the photodegradation of nitrendipine

J.A. Squella, A. Zanocco, S. Perna, L.J. Nuñez-Vergara

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1990

Language:

english

File:

PDF, 367 KB

english, 1990

60

Nitro radical anion formation from nitrofuryl substituted 1,4-dihydropyridine derivatives in mixed and non-aqueous media

J. Argüello, L.J. Núñez-Vergara, S. Bollo, J.A. Squella

Journal:

Bioelectrochemistry

Year:

2006

Language:

english

File:

PDF, 275 KB

english, 2006

61

Oxidation of C4-hydroxyphenyl 1,4-dihydropyridines in dimethylsulfoxide and its reactivity towards alkylperoxyl radicals in aqueous medium

Luis J. Núñez-Vergara, R. Salazar, C. Camargo, J. Carbajo, B. Conde, P.A. Navarrete-Encina, J.A. Squella

Journal:

Bioorganic & Medicinal Chemistry

Year:

2007

Language:

english

File:

PDF, 350 KB

english, 2007

62

The effect of 5-substitution on the electrochemical behavior and antitubercular activity of PA-824

Soledad Bollo, Luis J. Núñez-Vergara, Sunhee Kang, Liang Zhang, Helena I. Boshoff, Clifton E. Barry III, Juan A. Squella, Cynthia S. Dowd

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 687 KB

english, 2011

63

Electrogeneration of nitranion species from nitrofuryl substituted 1,4-dihydropyridine derivatives

J. Argüello, L.J. Núñez-Vergara, J.A. Squella

Journal:

Electrochemistry Communications

Year:

2005

Language:

english

File:

PDF, 186 KB

english, 2005

64

Adsorption of ochratoxin A (OTA) anodic oxidation product on glassy carbon electrodes in highly acidic reaction media: Its thermodynamic and kinetics characterization

Eduardo Alejandro Ramírez, María Alicia Zón, Paola Andrea Jara Ulloa, Juan Arturo Squella, Luis Nuñez Vergara, Héctor Fernández

Journal:

Electrochimica Acta

Year:

2010

Language:

english

File:

PDF, 276 KB

english, 2010

65

Study on the oxidation of C4-phenolic-1,4-dihydropyridines and its reactivity towards superoxide radical anion in dimethylsulfoxide

Ricardo Salazar, P.A. Navarrete-Encina, J.A. Squella, C. Barrientos, V. Pardo-Jiménez, Luis J. Núñez-Vergara

Journal:

Electrochimica Acta

Year:

2010

Language:

english

File:

PDF, 971 KB

english, 2010

66

Cyclic voltammetric determination of free radical species from nitroimidazopyran: a new antituberculosis agent

S Bollo, L.J Núñez-Vergara, J.A Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2004

Language:

english

File:

PDF, 259 KB

english, 2004

67

Scanning electrochemical microscopy (SECM) study of superoxide generation and its reactivity with 1,4-dihydropyridines

S. Bollo, P. Jara-Ulloa, S. Finger, L.J. Núñez-Vergara, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2005

Language:

english

File:

PDF, 272 KB

english, 2005

68

Electrochemical reduction of C-4 nitrosophenyl 1,4-dihydropyridines and their parent C-4 nitrophenyl derivatives in protic media

Luis J. Núñez-Vergara, Paola Santander, P.A. Navarrete-Encina, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2005

Language:

english

File:

PDF, 249 KB

english, 2005

69

Voltammetric redox behavior of nitrofuryl 1,4-dihydropyridine derivatives: Interdependence between two redox centers

J. Argüello Da Silva, L.J. Núñez Vergara, S. Bollo, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 212 KB

english, 2006

70

Spectrophotometric and electrochemical study of the inclusion complex between β-cyclodextrin and furnidipine

C. Yáñez, R. Salazar, L.J. Núñez-Vergara, J.A. Squella

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2004

Language:

english

File:

PDF, 153 KB

english, 2004

71

Analyses by GC–MS and GC–MS–MS of the hantzsch synthesis products using hydroxy- and methoxy-aromatic aldehydes

Luis J. Núñez-Vergara, P.A. Navarrete-Encina, S. Salas, B. Conde, J. Carbajo, J.A. Squella, C. Camargo

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2007

Language:

english

File:

PDF, 569 KB

english, 2007

72

Nitro radical anions from megazol and related nitroimidazoles in aprotic media. A father–son type reaction triggered by an acidic proton

M Bontá, G Chauviere, J Périé, L.J Núñez-Vergara, J.A Squella

Journal:

Electrochimica Acta

Year:

2002

Language:

english

File:

PDF, 226 KB

english, 2002

73

Voltammetric oxidation of Hantzsch 1,4-dihydropyridines in protic and aprotic media: relevance of the substitution on N position

C López-Alarcón, L.J Núñez-Vergara, J.A Squella

Journal:

Electrochimica Acta

Year:

2003

Language:

english

File:

PDF, 500 KB

english, 2003

74

Electroreduction of 4-(nitrophenyl) substituted 1,4-dihydropyridines on the mercury electrode in aprotic medium

J.A. Squella, G. Jimenez, S. Bollo, L.J. Núñez-Vergara

Journal:

Electrochimica Acta

Year:

1997

Language:

english

File:

PDF, 668 KB

english, 1997

75

Electrochemical study of nitrostilbene derivatives: nitro group as a probe of the push–pull effect

S. Bollo, E. Soto-Bustamante, L.J. Núñez-Vergara, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2000

Language:

english

File:

PDF, 195 KB

english, 2000

76

Voltammetric studies of aromatic nitro compounds: pH-dependence on decay of the nitro radical anion in mixed media

J. Carbajo, S. Bollo, L.J. Núñez-Vergara, P. Navarrete, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2000

Language:

english

File:

PDF, 151 KB

english, 2000

77

Electrochemical reduction of nitroso compounds: voltammetric, UV–vis and EPR characterization of ortho- and meta-nitrosotoluene derivatives

Luis J. Núñez-Vergara, M. Bontá, J.C. Sturm, P.A. Navarrete, S. Bollo, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 322 KB

english, 2001

78

Cyclic voltammetric studies on nitro radical anion formation from megazol and some related nitroimidazole derivatives

S. Bollo, L.J. Núñez-Vergara, M. Bontá, G. Chauviere, J. Périé, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 198 KB

english, 2001

79

Cyclic voltammetric behaviour of the O2/O2− redox couple at a HMDE and its interaction with nisoldipine

M.E Ortiz, L.J Núñez-Vergara, J.A Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2002

Language:

english

File:

PDF, 178 KB

english, 2002

80

Voltammetric determination of the heterogeneous charge transfer rate constant for superoxide formation at a glassy carbon electrode in aprotic medium

M.E. Ortiz, L.J. Núñez-Vergara, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry

Year:

2003

Language:

english

File:

PDF, 202 KB

english, 2003

81

Interaction between glutathione and ampicillin: An a.c. polarographic method

J.A. Squella, Luis J. Núñez-Vergara

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1983

Language:

english

File:

PDF, 241 KB

english, 1983

82

An electroactive metabolite from amoxycillin

Luis J. Núñez-Vergara, R. Daza, A. Zanocco, J.A. Squella

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1983

Language:

english

File:

PDF, 298 KB

english, 1983

83

Electrochemical reduction of nitrotetralones

J.A. Squella, M. Huerta, S. Bollo, H. Pessoa, L.J. Núñez-Vergara

Journal:

Journal of Electroanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 537 KB

english, 1997

84

Electrochemical study of β-nitrostyrene derivatives: steric and electronic effects on their electroreduction

J.A. Squella, J.C. Sturm, B. Weiss-Lopez, M. Bontá, L.J. Núñez-Vergara

Journal:

Journal of Electroanalytical Chemistry

Year:

1999

Language:

english

File:

PDF, 189 KB

english, 1999

85

Electrochemical reduction of 2,5-dimethoxy nitrobenzenes: nitro radical anion generation and biological activity

A. Álvarez-Lueje, H. Pessoa, L.J. Núñez-Vergara, J.A. Squella

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1998

Language:

english

File:

PDF, 275 KB

english, 1998

86

Polarogaphic and microcalorimetric study of the interaction between glutathione and amoxycillin

J.A. Squella, G. Benavente, B. Gallo, S. Paredes, L.J. Nuñez-Vergara

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1988

Language:

english

File:

PDF, 415 KB

english, 1988

87

Hydrolytic degradation of nitrendipine and nisoldipine

A. Álvarez-Lueje, J. Sturm, J.A. Squella, L.J. Núñez-Vergara

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 176 KB

english, 2002

88

A selective HPLC method for determination of lercanidipine in tablets

A Álvarez-Lueje, S Pujol, J.A Squella, L.J Núñez-Vergara

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2003

Language:

english

File:

PDF, 191 KB

english, 2003

89

Electrochemical study of nisoldipine: analytical application in pharmaceutical forms and photodegradation

A Álvarez-Lueje, L Naranjo, L.J Núñez-Vergara, J.A Squella

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1998

Language:

english

File:

PDF, 153 KB

english, 1998

90

Inclusion complexes of estrone and estradiol with β-cyclodextrin: Voltammetric and HPLC studies

Claudia Yañez, Julio Basualdo, Paola Jara-Ulloa, J. Arturo Squella

Journal:

Journal of Physical Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 177 KB

english, 2007

91

Reactivity of C4-indolyl substituted 1,4-dihydropyridines toward superoxide anion (O2•) in dimethylsulfoxide

Ricardo Salazar, P. A. Navarrete-Encina, J. A. Squella, C. Camargo, Luis J. Núñez-Vergara

Journal:

Journal of Physical Organic Chemistry

Year:

2009

Language:

english

File:

PDF, 362 KB

english, 2009

92

Differential pulse voltammetric determination of famotidine

Juan A. Squella, Carmen Rivera, Igor Lemus, Luis J. Nuñez-Vergara

Journal:

Microchimica Acta

Year:

1990

Language:

english

File:

PDF, 276 KB

english, 1990

93

Reaction of 5-Aminosalicylic Acid with Peroxyl Radicals: Protection and Recovery by Ascorbic Acid and Amino Acids

Camilo López-Alarcón, Claudia Rocco, Eduardo Lissi, Catalina Carrasco, J. Arturo Squella, Luis Nuñez-Vergara, Hernan Speisky

Journal:

Pharmaceutical Research

Year:

2005

Language:

english

File:

PDF, 486 KB

english, 2005

94

Electrochemical study of the interaction between glutathione and carbenicillin

J.A. Squella, L.J. Núñez-Vergara

Journal:

Electrochimica Acta

Year:

1986

Language:

english

File:

PDF, 285 KB

english, 1986

95

Polarographic and microcalorimetric study of the interaction between glutathione and amoxycillin

J.A. Squella, G. Benavente, B. Gallo, S. Paredes, L.J. Nuñez-Vergara

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1988

Language:

english

File:

PDF, 486 KB

english, 1988

96

Electrochemical behaviour of pyrazine derivatives: reduction of 2-hydroxy-3-phenyl-6-methylpyrazine

L.J. Nuñez-Vergara, J.A. Squella, M. Dominguez, M. Blazquez

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1988

Language:

english

File:

PDF, 642 KB

english, 1988

97

Electrochemical reduction of 2-nitroimidazole in aprotic medium: Influence of its dissociation equilibrium on the reduction mechanism

J.A. Squella, A. Campero, J. Maraver, J. Carbajo

Journal:

Electrochimica Acta

Year:

2006

Language:

english

File:

PDF, 445 KB

english, 2006

98

Cyclic voltammetry and scanning electrochemical microscopy studies of the heterogeneous electron transfer reaction of some nitrosoaromatic compounds

S. Bollo, S. Finger, J.C. Sturm, L.J. Núñez-Vergara, J.A. Squella

Journal:

Electrochimica Acta

Year:

2007

Language:

english

File:

PDF, 554 KB

english, 2007

99

Electrochemical oxidation of C4-vanillin- and C4-isovanillin-1,4-dihydropyridines in aprotic medium: Reactivity towards free radicals

R. Salazar, P.A. Navarrete-Encina, C. Camargo, J.A. Squella, Luis J. Núñez-Vergara

Journal:

Journal of Electroanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 277 KB

english, 2008

100

Nitrosobenzene: electrochemical, UV-visible and EPR spectroscopic studies on the nitrosobenzene free radical generation and its interaction with glutathione

Luis J. Núñez-Vergara, J.A. Squella, C. Olea-Azar, S. Bollo, P.A. Navarrete-Encina, J.C. Sturm

Journal:

Electrochimica Acta

Year:

2000

Language:

english

File:

PDF, 117 KB

english, 2000