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51

Continuous sample recirculation in an opened-loop multicommutated flow system

Rui A.S Lapa, José L.F.C Lima, Boaventura F Reis, João L.M Santos

Journal:

Analytica Chimica Acta

Year:

1998

Language:

english

File:

PDF, 135 KB

english, 1998

52

Flow-injection solid-phase spectrophotometry for the determination of zinc in pharmaceutical preparations

Leonardo S.G. Teixeira, Fábio R.P. Rocha, Mauro Korn, Boaventura F. Reis, Sérgio L.C. Ferreira, Antonio C.S. Costa

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 163 KB

english, 1999

53

Monosegmented flow system exploiting multicommutation applied to spectrophotometric determination of manganese in soybean digests

Marisa Smiderle, Boaventura F Reis, Fábio R.P Rocha

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 137 KB

english, 1999

54

Automatic potentiometric titration in monosegmented flow system exploiting binary search

Patrı́cia B Martelli, Boaventura F Reis, Mauro Korn, José L.F Costa Lima

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 187 KB

english, 1999

55

Environmentally friendly analytical chemistry through automation: comparative study of strategies for carbaryl determination with p-aminophenol

Boaventura F. Reis, Angel Morales-Rubio, Miguel de la Guardia

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 196 KB

english, 1999

56

Evolution of the commutation concept associated with the development of flow analysis

Elias A.G Zagatto, Boaventura F Reis, Cláudio C Oliveira, Raquel P Sartini, Marco Aurélio Z Arruda

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 107 KB

english, 1999

57

A flow system exploiting multicommutation for speciation of inorganic nitrogen in waters

Fábio R.P Rocha, Boaventura F Reis

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 154 KB

english, 2000

58

Automatic multicommmutated flow system for diffusion studies of pharmaceuticals through artificial enteric membrane

M.Goreti F Sales, Boaventura Freire Reis, M.Conceição B.S.M Montenegro

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2001

Language:

english

File:

PDF, 123 KB

english, 2001

59

Automatic potentiometric flow titration procedure for ascorbic acid determination in pharmaceutical formulations

Ana Paula S. Paim, Cristina M.N.V. Almeida, Boaventura F. Reis, Rui A.S. Lapa, Elias A.G. Zagatto, José L.F. Costa Lima

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 104 KB

english, 2002

60

Flow-injection spectrophotometric determination of paracetamol in tablets and oral solutions

Moisés Knochen, Javier Giglio, Boaventura F Reis

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2003

Language:

english

File:

PDF, 222 KB

english, 2003

61

Simultaneous photometric determination of albumin and total protein in animal blood plasma employing a multicommutated flow system to carried out on line dilution and reagents solutions handling

Gilmara C Luca, Boaventura F Reis

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 111 KB

english, 2004

62

Ion-selective electrodes based on metalloporphyrins for gibberellic acid determination in agricultural products

Emília M. G. Santos, Cristina M. C. M. Couto, M. Conceição B. S. M. Montenegro, M. Graça P. M. S. Neves, Susana L. H. Rebelo, J. A. S. Cavaleiro, Boaventura F. Reis

Journal:

Analytical and Bioanalytical Chemistry

Year:

2003

Language:

english

File:

PDF, 162 KB

english, 2003

63

Micro-pumping flow system for spectrophotometric determination of anionic surfactants in water

André F. Lavorante, Ángel Morales-Rubio, Miguel de la Guardia, Boaventura F. Reis

Journal:

Analytical and Bioanalytical Chemistry

Year:

2005

Language:

english

File:

PDF, 255 KB

english, 2005

64

Automatic Fluorimetric Procedure for the Determination of Aluminium in Plant Nutrient Solution and Natural Water Employing a Multicommutated Flow System

Ana Paula S. Paim, Boaventura F. Reis, Victor A. Vitorello

Journal:

Microchimica Acta

Year:

2004

Language:

english

File:

PDF, 112 KB

english, 2004

65

Automatic Stepwise Potentiometric Titration in a Monosegmented Flow System

Eduardo P. Borges, Patrícia B. Martelli, Boaventura F. Reis

Journal:

Microchimica Acta

Year:

2000

Language:

english

File:

PDF, 117 KB

english, 2000

66

Development of a high sensitive automatic setup for screening of microcystins in surface waters by employing a LED-based photometric detector

Gláucia P. Vieira, Sheila R.W. Perdigão, Marli F. Fiore, Boaventura F. Reis

Journal:

Sensors and Actuators B: Chemical

Year:

2012

Language:

english

File:

PDF, 389 KB

english, 2012

67

Separation and preconcentration by flow injection coupled to tungsten coil electrothermal atomic absorption spectrometry

Márcia M. Silva, Francisco J. Krug, Pedro V. Oliveira, Joaquim A. Nóbrega, Boaventura F. Reis, Daniel A.G. Penteado

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

1996

Language:

english

File:

PDF, 719 KB

english, 1996

68

An indirect method for the determination of chromium species in water samples by sequential inductively coupled plasma-atomic emission spectrometry

Mauro Korn, Maria G.A. Korn, Boaventura F. Reis, Elisabeth de Oliveira

Journal:

Year:

1994

Language:

english

File:

PDF, 511 KB

english, 1994

69

Green chemistry and the evolution of flow analysis. A review

Wanessa R. Melchert, Boaventura F. Reis, Fábio R.P. Rocha

Journal:

Analytica Chimica Acta

Year:

2012

Language:

english

File:

PDF, 526 KB

english, 2012

70

Automatic flow procedure based on multicommutation exploiting liquid–liquid extraction for spectrophotometric lead determination in plant material

Ana Lúcia D. Comitre, Boaventura F. Reis

Journal:

Year:

2005

Language:

english

File:

PDF, 156 KB

english, 2005

71

An environmentally friendly multicommutated alternative to the reference method for anionic surfactant determination in water

Eva Ródenas-Torralba, Boaventura F. Reis, Ángel Morales-Rubio, Miguel de la Guardia

Journal:

Year:

2005

Language:

english

File:

PDF, 157 KB

english, 2005

72

A portable and low cost equipment for flow injection chemiluminescence measurements

Fábio R.P. Rocha, Eva Ródenas-Torralba, Boaventura F. Reis, Ángel Morales-Rubio, Miguel de la Guardia

Journal:

Year:

2005

Language:

english

File:

PDF, 145 KB

english, 2005

73

A downsized flow set up based on multicommutation for the sequential photometric determination of iron(II)/iron(III) and nitrite/nitrate in surface water

Mário Almir Feres, Boaventura F. Reis

Journal:

Year:

2005

Language:

english

File:

PDF, 134 KB

english, 2005

74

Speciation of chromium in natural waters by micropumping multicommutated light emitting diode photometry

Cherrine K. Pires, Boaventura F. Reis, Angel Morales-Rubio, Miguel de la Guardia

Journal:

Year:

2007

Language:

english

File:

PDF, 347 KB

english, 2007

75

Micropumping multicommutation turbidimetric analysis of waters

Eva Ródenas-Torralba, Ángel Morales-Rubio, André F. Lavorante, Boaventura Freire dos Reis, Miguel de la Guardia

Journal:

Year:

2007

Language:

english

File:

PDF, 240 KB

english, 2007

76

Effect of operating parameters on molinate biodegradation

Patrícia Correia, Rui A.R. Boaventura, Maria A.M. Reis, Olga C. Nunes

Journal:

Year:

2006

Language:

english

File:

PDF, 309 KB

english, 2006

77

Nickel and zinc determination by flow-injection solid-phase spectrophotometry exploiting different sorption rates

Leonardo S.G Teixeira, Fábio R.P Rocha, Mauro Korn, Boaventura F Reis, Sérgio L.C Ferreira, Antonio C.S Costa

Journal:

Year:

2000

Language:

english

File:

PDF, 110 KB

english, 2000

78

Potentiometric determination of urea by sequential injection using Jack bean meal crude extract as a source of urease

Fernando V Silva, Ana Rita A Nogueira, Gilberto B Souza, Boaventura F Reis, Alberto N Araújo, Maria C.M.B.S Montenegro, José L.F.C Lima

Journal:

Year:

2000

Language:

english

File:

PDF, 126 KB

english, 2000

79

A flow system with a conventional spectrophotometer for the chemiluminescent determination of lactic acid in yoghurt

Patrı́cia B Martelli, Boaventura F Reis, Alberto N Araújo, Maria Conceição, B.S.M Montenegro

Journal:

Year:

2001

Language:

english

File:

PDF, 108 KB

english, 2001

80

A multicommutation-based flow system for multi-element analysis in pharmaceutical preparations

Fábio R.P. Rocha, Patrı́cia B. Martelli, Boaventura F. Reis

Journal:

Year:

2001

Language:

english

File:

PDF, 141 KB

english, 2001

81

Flow system exploiting multicommutation to increase sample residence time for improved sensitivity. Simultaneous determination of ammonium and ortho-phosphate in natural water

Ridvan Nunes Fernandes, Boaventura F Reis

Journal:

Year:

2002

Language:

english

File:

PDF, 203 KB

english, 2002

82

A multicommuted flow system for sequential spectrophotometric determination of hydrosoluble vitamins in pharmaceutical preparations

Fábio R.P Rocha, Orlando Fatibello Filho, Boaventura F Reis

Journal:

Year:

2003

Language:

english

File:

PDF, 144 KB

english, 2003

83

Multicommutation cold vapour atomic fluorescence determination of Hg in water

Boaventura F. Reis, Eva Ródenas-Torralba, José Sancenón-Buleo, Ángel Morales-Rubio, Miguel de la Guardia

Journal:

Year:

2003

Language:

english

File:

PDF, 346 KB

english, 2003

84

Insights into solar TiO2-assisted photocatalytic oxidation of two antibiotics employed in aquatic animal production, oxolinic acid and oxytetracycline

Pereira, João H.O.S., Reis, Ana C., Queirós, Daniel, Nunes, Olga C., Borges, Maria T., Vilar, Vítor J.P., Boaventura, Rui A.R.

Journal:

Science of The Total Environment

Year:

2013

Language:

english

File:

PDF, 786 KB

english, 2013

85

Potentiometric Flow Injection Determination of Glycerol in Distilled Spirits

Gervasio, Ana Paula G., Borges, Eduardo P., Zagatto, Elias A. G., Reis, Boaventura F., Lapa, Rui A. S., Lima, José L. F. C.

Journal:

Journal of Agricultural and Food Chemistry

Year:

2002

Language:

english

File:

PDF, 51 KB

english, 2002

86

Multi‐commutation in Flow Analysis: A Versatile Tool for the Development of the Automatic Analytical Procedure Focused on the Reduction of Reagent Consumption

Lavorante, André F., Almir Feres, Mário, Reis, Boaventura F.

Journal:

Spectroscopy Letters

Year:

2006

Language:

english

File:

PDF, 337 KB

english, 2006

87

Multicommuted Flow Analysis Procedure for Total Polyphenols Determination in Wines Employing Chemiluminescence Detection

Andrade, Marcelo Farias, Assis, Suelle Gisian Farias, Paim, Ana Paula Silveira, Reis, Boaventura Freire

Journal:

Food Analytical Methods

Year:

2014

Language:

english

File:

PDF, 506 KB

english, 2014

88

A flow cell with a new design to improve the utilization of the radiation emitted by LED and employed as a radiation source for photometric detection

Dias, Tuanne R., Brasil, Marcos A.S., Feres, Mário A., Reis, Boaventura F.

Journal:

Sensors and Actuators B: Chemical

Year:

2014

Language:

english

File:

PDF, 831 KB

english, 2014

89

Process enhancement at near neutral pH of a homogeneous photo-Fenton reaction using ferricarboxylate complexes: Application to oxytetracycline degradation

Pereira, João H.O.S., Queirós, Daniel B., Reis, Ana C., Nunes, Olga C., Borges, Maria T., Boaventura, Rui A.R., Vilar, Vítor J.P.

Journal:

Chemical Engineering Journal

Year:

2014

Language:

english

File:

PDF, 1.56 MB

english, 2014

90

An air carrier flow system for the spectrophotometric determination of water in biodiesel exploiting bleaching of the cobalt chloride complex

Pereira, Andréia C., Reis, Boaventura F., Rocha, Fábio R.P.

Journal:

Year:

2015

Language:

english

File:

PDF, 430 KB

english, 2015

91

Development of a high sensitivity photometric procedure for the determination of vanadium in mineral and fresh waters employing a downsized multicommuted flow analysis approach

Dias, Tuanne R., Rohwedder, Jarbas J. R., Brasil, Marcos A. S., Reis, Boaventura F.

Journal:

Analytical Methods

Year:

2014

Language:

english

File:

PDF, 798 KB

english, 2014

92

Solar photocatalytic oxidation of recalcitrant natural metabolic by-products of amoxicillin biodegradation

Pereira, João H.O.S., Reis, Ana C., Homem, Vera, Silva, José A., Alves, Arminda, Borges, Maria T., Boaventura, Rui A.R., Vilar, Vítor J.P., Nunes, Olga C.

Journal:

Year:

2014

Language:

english

File:

PDF, 1.01 MB

english, 2014

93

An Automatic Flow Procedure for the Determination of 3-Hydroxybutyrate in Animal Serum and Plasma

Pires, Cherrine K., Martelli, Patrícia B., Reis, Boaventura F., Lima, José L. F. C., Saraiva, M. Lúcia M. F. S.

Journal:

Journal of Agricultural and Food Chemistry

Year:

2003

Language:

english

File:

PDF, 53 KB

english, 2003

94

[IEEE 2006 IEEE International Conference on Computational Cybernetics - Talinn, Estonia (2006.08.20-2006.08.22)] 2006 IEEE International Conference on Computational Cybernetics - Circuit Synthesis Using Particle Swarm Optimization

Reis, Cecilia, Tenreiro Machado, J., S. F. Galhano, Alexandra, Boaventura Cunha, J.

Year:

2006

Language:

english

File:

PDF, 2.82 MB

english, 2006

95

Preparation and Phytotoxicity of Novel Kaurane Diterpene Amides with Potential Use as Herbicides

Boaventura, Maria Amélia Diamantino, Pereira, Rondinelle Gomes, de Oliveira Freitas, Luiza B., dos Reis, Leandro Alves, da Silva Vieira, Henriete

Journal:

Journal of Agricultural and Food Chemistry

Year:

2008

Language:

english

File:

PDF, 512 KB

english, 2008

96

Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system

Almeida, Cristina M. N. V., Lapa, Rui A.S., Lima, José L.F.C., Araújo, M. C. U., Reis, Boaventura F., Zagatto, Elias A.G.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2000

Language:

english

File:

PDF, 96 KB

english, 2000

97

Automated On-line Preconcentration for Trace Metals Determination in Water Samples by Inductively Coupled Plasma Mass Spectrometry

PACKER, ANA PAULA, GIN�, MARIA FERNANDA, MIRANDA, CARLOS E. S., DOS REIS, BOAVENTURA F.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1997

Language:

english

File:

PDF, 480 KB

english, 1997

98

Improvement of the atomic fluorescence determination of mercury by using multicommutation

Reis, Boaventura F., R�denas-Torralba, Eva, Sancen�n-Buleo, Jos�, Morales-Rubio, Angel, de la Guardia, Miguel

Journal:

Journal of Analytical Atomic Spectrometry

Year:

2002

Language:

english

File:

PDF, 119 KB

english, 2002

99

Flow injection calibration of inductively coupled plasma atomic emission spectrometry using the generalised standard additions method

Gin�, Maria Fernanda, Krug, Francisco Jos�, Filho, Henrique Bergamin, Reis, Boaventura Freire dos, Zagatto, Elias Ayres Guidetti, Bruns, Roy Edward

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1988

Language:

english

File:

PDF, 761 KB

english, 1988

100

Trial measurements in flow analysis

dos Reis, Boaventura Freire, Zagatto, Elias Ayres Guidetti, Martelli, Patricia Benedini, Brienza, Sandra Maria Boscolo

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1993

Language:

english

File:

PDF, 572 KB

english, 1993