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51

A model predictive control strategy for load shifting in a water pumping scheme with maximum demand charges

Adam Jacobus van Staden, Jiangfeng Zhang, Xiaohua Xia

Journal:

Year:

2011

Language:

english

File:

PDF, 1.08 MB

english, 2011

52

Amperometric biosensor based on diamond paste for the enantioanalysis of l-lysine

Raluca-Ioana Stefan-van Staden, R’afat Mahmoud Nejem, Jacobus Frederick van Staden, Hassan Y. Aboul-Enein

Journal:

Biosensors and Bioelectronics

Year:

2012

Language:

english

File:

PDF, 191 KB

english, 2012

53

Amperometric dot-sensors based on zinc porphyrins for sildenafil citrate determination

Simona-Cornelia Balasoiu, Raluca-Ioana Stefan-van Staden, Jacobus Frederick van Staden, Rodica-Mariana Ion, Gabriel-Lucian Radu, Hassan Y. Aboul-Enein

Journal:

Electrochimica Acta

Year:

2011

Language:

english

File:

PDF, 742 KB

english, 2011

54

Sequential injection spectrophotometric determination of etilefrine hydrochloride

Negussie W. Beyene, Jacobus F. van Staden, Raluca I. Stefan

Journal:

Year:

2004

Language:

english

File:

PDF, 273 KB

english, 2004

55

Determination of isoxsuprine hydrochloride by sequential injection visible spectrophotometry

Negussie W. Beyene, Jacobus F. Van Staden, Raluca-Ioana Stefan, Hassan Y. Aboul-Enein

Journal:

Year:

2005

Language:

english

File:

PDF, 296 KB

english, 2005

56

Determination of fluoride in toothpaste, effluent streams and natural and borehole water using a flow injection system with a fluoride-selective membrane electrode

Raluca-Ioana Stefan, Jacobus F van Staden, Hassan Y Aboul-Enein

Journal:

Pharmaceutica Acta Helvetiae

Year:

1999

Language:

english

File:

PDF, 60 KB

english, 1999

57

Determination of l-carnitine using enantioselective, potentiometric membrane electrodes based on macrocyclic antibiotics

Alexander A Rat’ko, Raluca-Ioana Stefan, Jacobus (Koos) F van Staden, Hassan Y Aboul-Enein

Journal:

Year:

2004

Language:

english

File:

PDF, 83 KB

english, 2004

58

Utilization of maltodextrin based enantioselective, potentiometric membrane electrodes for the enantioselective assay of S-perindopril

Kenneth I. Ozoemena, Raluca-Ioana Stefan, Jacobus F. van Staden, Hassan Y. Aboul-Enein

Journal:

Year:

2004

Language:

english

File:

PDF, 88 KB

english, 2004

59

Sequential injection spectrophotometric determination of phenylephrine hydrochloride in pharmaceutical preparations

Negussie W Beyene, Jacobus F Van Staden

Journal:

Year:

2004

Language:

english

File:

PDF, 99 KB

english, 2004

60

Simultaneous determination of l-thyroxine (l-T4), d-thyroxine (d-T4), and l-triiodothyronine (l-T3) using a sensors/sequential injection analysis system

Raluca-Ioana Stefan, Jacobus F. van Staden, Hassan Y. Aboul-Enein

Journal:

Year:

2004

Language:

english

File:

PDF, 73 KB

english, 2004

61

Sequential injection spectrophotometric determination of iron as Fe(II) in multi-vitamin preparations using 1,10-phenanthroline as complexing agent

Zeriet O. Tesfaldet, Jacobus F. van Staden, Raluca I. Stefan

Journal:

Year:

2004

Language:

english

File:

PDF, 131 KB

english, 2004

62

Macrocyclic antibiotics as chiral selectors in the design of enantioselective, potentiometric membrane electrodes for the determination of l- and d-enantiomers of methotrexate

Alexander A. Rat’ko, Raluca-Ioana Stefan, Jacobus (Koos) F. van Staden, Hassan Y. Aboul-Enein

Journal:

Year:

2004

Language:

english

File:

PDF, 85 KB

english, 2004

63

Sequential injection spectrophotometric determination of trace amounts of iodide by its catalytic effect on the 4,4′-methylenebis(N,N-dimethylaniline)-chloramine-T reaction

Zeriet O. Tesfaldet, Jacobus F. van Staden, Raluca I. Stefan

Journal:

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

64

Spectrophotometric determination of magnesium in pharmaceutical preparations by cost-effective sequential injection analysis

Zeriet O. Tesfaldet, Jacobus F. van Staden, Raluca I. Stefan

Journal:

Year:

2004

Language:

english

File:

PDF, 149 KB

english, 2004

65

Enantioanalysis of l-2-hydroxyglutaric acid in urine samples using enantioselective, potentiometric membrane electrodes based on maltodextrins

R’afat Mahmoud Nejem, Raluca-Ioana Stefan, Jacobus Frederick van Staden, Hassan Y. Aboul-Enein

Journal:

Year:

2005

Language:

english

File:

PDF, 74 KB

english, 2005

66

Sequential injection spectrophotometric determination of ritodrine hydrochloride using 4-aminoantipyrine

Jacobus F. van Staden, Negussie W. Beyene, Raluca-Ioana Stefan, Hassan Y. Aboul-Enein

Journal:

Year:

2005

Language:

english

File:

PDF, 218 KB

english, 2005

67

Application of porphyrins in flow-injection analysis: A review

Jacobus F. van Staden, Raluca I. Stefan-van Staden

Journal:

Year:

2010

Language:

english

File:

PDF, 310 KB

english, 2010

68

METABOLIC DEFECTS CAUSED BY TREATMENT WITH THE TETRAHYDROPYRIDINE ANALOG OF HALOPERIDOL (HPTP), IN BABOONS

Lodewyk J Mienie, Jacobus J Bergh, Etienne Van Staden, Stefanus J Steyn, Susan M Pond, Neal Castagnoli Jr., Cornelis J Van der Schyf

Journal:

Year:

1997

Language:

english

File:

PDF, 1.24 MB

english, 1997

69

Simultaneous detection of S and R captopril using sequential injection analysis

Raluca-Ioana Stefan, Jacobus (Koos) F. van Staden, Hassan Y. Aboul-Enein

Journal:

Year:

2000

Language:

english

File:

PDF, 605 KB

english, 2000

70

Immunosensor for the determination of azidothymidine: Its utilization as detector in a sequential injection analysis system

Raluca-Ioana Stefan, Rahel Girmai Bokretsion, Jacobus Frederick van Staden, Hassan Y Aboul-Enein

Journal:

Year:

2003

Language:

english

File:

PDF, 112 KB

english, 2003

71

Simultaneous determination of creatine and creatinine using amperometric biosensors

Raluca-Ioana Stefan, Rahel Girmai Bokretsion, Jacobus F van Staden, Hassan Y Aboul-Enein

Journal:

Year:

2003

Language:

english

File:

PDF, 173 KB

english, 2003

72

Determination of l- and d-enantiomers of methotrexate using amperometric biosensors

Raluca-Ioana Stefan, Rahel Girmai Bokretsion, Jacobus F van Staden, Hassan Y Aboul-Enein

Journal:

Year:

2003

Language:

english

File:

PDF, 193 KB

english, 2003

73

A new construction for a potentiometric, enantioselective membrane electrode—its utilization to the S-captopril assay

Raluca-Ioana Stefan, Jacobus (Koos) F van Staden, Hassan Y Aboul-Enein

Journal:

Year:

1999

Language:

english

File:

PDF, 76 KB

english, 1999

74

Evaluation of different SIA sample–buffer configurations using a fluoride-selective membrane electrode as detector

Jacobus (Koos) F van Staden, Raluca-Ioana Stefan, Semaghiul Birghila

Journal:

Year:

2000

Language:

english

File:

PDF, 145 KB

english, 2000

75

Enantioanalysis of Pipecolic Acid with Stochastic and Potentiometric Microsensors

Stefan-van Staden, Raluca-Ioana, Moldoveanu, Iuliana, Sava, Daniel-Florin, Kapnissi-Christodoulou, Constantina, van Staden, Jacobus Frederick

Journal:

Year:

2013

Language:

english

File:

PDF, 110 KB

english, 2013

76

Prediction of FIA peak width for a flow-injection manifold with spectrophotometric or ICP detection

Phillip Lyle Kempster, Henk Robert van Vliet, Jacobus Frederick van Staden

Journal:

Year:

1989

Language:

english

File:

PDF, 330 KB

english, 1989

77

Simultaneous flow-injection analysis of three components with on-line dialyzers in series. Determination of sodium, potassium and chloride in blood serum

Jacobus F. van Staden

Journal:

Year:

1991

Language:

english

File:

PDF, 705 KB

english, 1991

78

Flow-injection analysis systems with different detection devices and other related techniques for the in vitro and in vivo determination of dopamine as neurotransmitter. A review

Jacobus F van Staden, Raluca I Stefan van Staden

Journal:

Year:

2012

Language:

english

File:

PDF, 804 KB

english, 2012

79

Wireless Electrochemical Sensors: A Tool for Process Control Past, Present and the Future

van Staden, Jacobus F., Stefan-van Staden, Raluca I., Balasoiu, Simona C.

Journal:

Critical Reviews in Analytical Chemistry

Year:

2010

Language:

english

File:

PDF, 249 KB

english, 2010

80

Analysis of Several Angiotensin-Converting Enzyme Inhibitors using Potentiometric, Enantioselective Membrane Electrodes

Aboul-Enein, Hassan Y., Stefan, Raluca-Ioana, van Staden, Jacobus F.

Journal:

Analytical Letters

Year:

1999

Language:

english

File:

PDF, 335 KB

english, 1999

81

SPIE Proceedings [SPIE Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies - Constanta, Romania (Thursday 26 August 2010)] Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V - Porphyrins as molecular nanomaterials

Faraon, Victor, Ion, Rodica-Mariana, Pop, Simona-Florentina, Van-Staden, Raluca, Van-Staden, Jacobus-Frederick, Schiopu, Paul, Caruntu, George

Year:

2010

Language:

english

File:

PDF, 1.06 MB

english, 2010

82

Piroxicam Benzoate—Synthesis, HPLC Determination, and Hydrolysis

Boneschans, Barend, Wessels, Anita, van Staden, Johan, Zovko, Marijana, Zorc, Branka, Bergh, Jacobus

Journal:

Drug Development and Industrial Pharmacy

Year:

2003

Language:

english

File:

PDF, 216 KB

english, 2003

83

Influence of sulfate and nitrate uptake from aqueous solutions on surface exchange in Purolite A-520E resin

Stefan, Daniela-Simina, Frederick van Staden, Jacobus, Vasile, Eugeniu, Vasile, Otilia-Ruxandra, Dancila, Madelene

Journal:

Comptes Rendus Chimie

Year:

2014

Language:

english

File:

PDF, 1.88 MB

english, 2014

84

Microelectrodes based on porphyrins for the determination of ascorbic acid in pharmaceutical samples and beverages

Stefan-van Staden, Raluca-Ioana, Balasoiu, Simona Cornelia, van Staden, Jacobus Frederick, Radu, Gabriel-Lucian

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2012

Language:

english

File:

PDF, 1.84 MB

english, 2012

85

Pattern recognition of neurotransmitters using multimode sensing

Stefan-van Staden, Raluca-Ioana, Moldoveanu, Iuliana, van Staden, Jacobus Frederick

Journal:

Journal of Neuroscience Methods

Year:

2014

Language:

english

File:

PDF, 1.17 MB

english, 2014

86

Screening of children saliva samples for bisphenol A using stochastic, amperometric and multimode microsensors

Stefan-van Staden, Raluca-Ioana, Gugoaşă, Livia Alexandra, Calenic, Bogdan, van Staden, Jacobus F., Legler, Juliette

Journal:

Analytical Chemistry Research

Year:

2014

Language:

english

File:

PDF, 516 KB

english, 2014

87

Polycrystalline Diamond-Based Electrochemical Sensors and Their Applications in Inorganic and Organic Analysis

Bairu, Semere Ghebru, Stefan, Raluca-Ioana, van Staden, Jacobus F.

Journal:

Critical Reviews in Analytical Chemistry

Year:

2003

Language:

english

File:

PDF, 94 KB

english, 2003

88

Determination of l - and d -Enantiomers of Carnitine Using Amperometric Biosensors

Stefan, Raluca-Ioana, Bokretsion, Rahel Girmai, Staden, Jacobus F. van, Aboul-Enein, Hassan Y.

Journal:

Analytical Letters

Year:

2003

Language:

english

File:

PDF, 192 KB

english, 2003

89

Biosensors for the Determination of Ortho-acetyl-L-carnitine. Their Utilization as Detectors in a Sequential Injection Analysis System

Stefan, Raluca-Ioana, Bokretsion, Rahel Girmai, van Staden, Jacobus F., Aboul-Enein, Hassan Y.

Journal:

Preparative Biochemistry & Biotechnology

Year:

2003

Language:

english

File:

PDF, 369 KB

english, 2003

90

Enantioselective, Potentiometric Membrane Electrode, Based on Vancomycin as Chiral Selector, for the Assay of S ‐Perindopril

Ozoemena, Kenneth I., Stefan, Raluca‐Ioana, van Staden, Jacobus F., Aboul‐Enein, Hassan Y.

Journal:

Instrumentation Science & Technology

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

91

ON-LINE MONITORING OF R -CAPTOPRIL USING AN AMPEROMETRIC BIOSENSOR/SEQUENTIAL INJECTION ANALYSIS SYSTEM

Stefan, Raluca-Ioana, van Staden, Jacobus (Koos) F., Aboul-Enein, Hassan Y.

Journal:

Instrumentation Science & Technology

Year:

2002

Language:

english

File:

PDF, 129 KB

english, 2002

92

Immunosensors in Clinical and Environmental Analysis

Stefan-van Staden, Raluca-Ioana, Bokretsion, Rahel Girmai, van Staden, Jacobus Frederick, Aboul-Enein, Hassan Y.

Journal:

Critical Reviews in Analytical Chemistry

Year:

2015

Language:

english

File:

PDF, 329 KB

english, 2015

93

Selectivity in analytical chemistry (IUPAC Recommendations 2001)

Vessman, Jörgen, Stefan, Raluca I., van Staden, Jacobus F., Danzer, Klaus, Lindner, Wolfgang, Burns, Duncan Thorburn, Fajgelj, Aleš, Müller, Helmut

Journal:

Pure & Applied Chemistry

Year:

2001

Language:

english

File:

PDF, 182 KB

english, 2001

94

Experimental evaluation of commercially available semi-permeable membranes for use with parallel-plate dialysers in flow injection systems

van Staden, Jacobus F., van Rensburg, Ancel

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1990

Language:

english

File:

PDF, 940 KB

english, 1990

95

Flow injection determination of inorganic bromide in soils with a coated tubular solid-state bromide-selective electrode

van Staden, Jacobus F.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1987

Language:

english

File:

PDF, 637 KB

english, 1987

96

Recent Developments and Applications of Chemiluminescence Sensors

Aboul-Enein, Hassan Y., Stefan, Raluca-Ioana, van Staden, Jacobus F., Zhang, Xinrong R., Garcia-Campana, Ana M., Baeyens, Willy R. G.

Journal:

Critical Reviews in Analytical Chemistry

Year:

2000

Language:

english

File:

PDF, 1004 KB

english, 2000

97

Atomic absorption spectrometric determination using a multipurpose dialyser in a flow injection system

van Staden, Jacobus F., Hattingh, Cornelius J.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1995

Language:

english

File:

PDF, 866 KB

english, 1995

98

Use of flow injection for in-line elimination of interferences in hydride generation atomic absorption spectrometry

Marshall, Graham D., van Staden, Jacobus F.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1990

Language:

english

File:

PDF, 879 KB

english, 1990

99

Design and optimisation of a flow injection hydride generator and its use for automated standard additions

Marshall, Graham D., van Staden, Jacobus F.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1990

Language:

english

File:

PDF, 706 KB

english, 1990

100

Effect of coated open-tubular inorganic-based solid-state ion-selective electrodes on dispersion in flow injection

van Staden, Jacobus F.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1990

Language:

english

File:

PDF, 753 KB

english, 1990