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51

Enantioselective, potentiometric membrane electrodes based on cyclodextrins: Application for the determination of R-baclofen in its pharmaceutical formulation

Raluca-Ioana Stefan van Staden, Alexander A. Rat’ko

Journal:

Year:

2006

Language:

english

File:

PDF, 153 KB

english, 2006

52

Enantioselective potentiometric membrane electrodes based on C60 fullerene and its derivatives for the assay of l-Histidine

Raluca-Ioana Stefan-van Staden, Bhajan Lal, Luxolo Holo

Journal:

Year:

2007

Language:

english

File:

PDF, 181 KB

english, 2007

53

Enantioanalysis of R-deprenyl based on its molecular interaction with C70 fullerenes

Raluca-Ioana Stefan-van Staden

Journal:

Year:

2010

Language:

english

File:

PDF, 633 KB

english, 2010

54

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

55

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

56

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

57

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

58

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

59

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

60

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

61

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

62

Comparative study of three modified numerical spectrophotometric methods: An application on pharmaceutical ternary mixture of aspirin, atorvastatin and clopedogrel

Issa, Mahmoud Mohamed, Nejem, R’afat Mahmoud, Shanab, Alaa Abu, Hegazy, Nahed Diab, Stefan-van Staden, Raluca-Ioana

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2014

Language:

english

File:

PDF, 1.28 MB

english, 2014

63

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

64

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

65

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

66

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

67

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

68

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

69

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

70

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

71

Utilization of an Enantioselective Surface Plasmon Resonance Electrode for the Selection of the Best C 70 Fullerene as Chiral Selector for the Enantioanalysis of L-Cysteine

Staden, Raluca-Ioana Stefan-van, Holo, Luxolo

Journal:

Preparative Biochemistry & Biotechnology

Year:

2009

Language:

english

File:

PDF, 82 KB

english, 2009

72

Enantioanalysis of ketoprofen based on its interaction with C60 fullerene and its derivatives

Stefan-van Staden, Raluca-Ioana, Bokretsion, Rahel Girmai

Journal:

Analytical Methods

Year:

2012

Language:

english

File:

PDF, 845 KB

english, 2012

73

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

74

Enantioanalysis of d-histidine based on its interaction with [5,6]fullerene-C70 and diethyl (1,2-methanofullerene-C70)-71,71-dicarboxylate

Stefan-van Staden, Raluca-Ioana

Journal:

New Journal of Chemistry

Year:

2010

Language:

english

File:

PDF, 1.20 MB

english, 2010

75

Diamond paste based electrodes for the determination of Ag(i)

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

Journal:

Analytical Methods

Year:

2010

Language:

english

File:

PDF, 101 KB

english, 2010

76

Stochastic microsensors as screening tools for neuron specific enolase

Stefan-van Staden, Raluca-Ioana, Comnea, Ionela Raluca, van Staden, Jacobus Frederick, Stanciu Gavan, Camelia

Journal:

Year:

2014

Language:

english

File:

PDF, 335 KB

english, 2014

77

Engineered nanoporous gold microspheres for stochastic sensing

Stefan-van Staden, Raluca-Ioana, Moldoveanu, Iuliana, Surdu-Bob, Carmen Cristina, Stanciu-Gavan, Camelia

Journal:

Year:

2014

Language:

english

File:

PDF, 367 KB

english, 2014

78

Sequential Injection Analysis utilizing Amperometric Biosensors as Detectors for the Simultaneous Determination of L- and D-Pipecolic Acid

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

Journal:

Instrumentation Science & Technology

Year:

2008

Language:

english

File:

PDF, 139 KB

english, 2008

79

Disposable Stochastic Dot Sensors for the Assay of Ascorbic Acid in Pharmaceutical Samples, Beverages, and Biological Fluids

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

Journal:

Analytical Letters

Year:

2011

Language:

english

File:

PDF, 128 KB

english, 2011

80

Chemiluminescence-Based (Bio)Sensors — An Overview

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

Journal:

Critical Reviews in Analytical Chemistry

Year:

1999

Language:

english

File:

PDF, 62 KB

english, 1999

81

Enantioselective Determination of R-Clenbuterol Using an Enantioselective, Potentiometric Membrane Electrode Based on a β-Cyclodextrin Derivative

Stefan-van Staden, Raluca-Ioana, Holo, Luxolo, Moeketsi, Bakang, van Staden, Jacobus Frederick, Aboul-Enein, Hassan Y.

Journal:

Instrumentation Science & Technology

Year:

2009

Language:

english

File:

PDF, 169 KB

english, 2009

82

Molecular recognition of HER-1 in whole-blood samples

Moldoveanu, Iuliana, Stanciu Gavan, Camelia, Stefan-van Staden, Raluca-Ioana

Journal:

Journal of Molecular Recognition

Year:

2014

Language:

english

File:

PDF, 817 KB

english, 2014

83

Enantioselective Surface Plasmon Resonance Sensor Based on C 60 Fullerene-Glutathione Self-Assembled Monolayer (SAM)

Stefan-van Staden, Raluca-Ioana

Journal:

Year:

2014

Language:

english

File:

PDF, 121 KB

english, 2014

84

Chiral Separation of the Clinically Important Compounds Fucose and Pipecolic Acid Using CE: Determination of the Most Effective Chiral Selector

Hadjistasi, Christoforos A., Stavrou, Ioannis J., Stefan-Van Staden, Raluca-Ioana, Aboul-Enein, Hassan Y., Kapnissi-Christodoulou, Constantina P.

Journal:

Year:

2013

Language:

english

File:

PDF, 148 KB

english, 2013

85

Determination of (S)-(+)-Ibuprofen Using Enantioselective, Potentiometric Membrane Electrodes Based on Macrocyclic Antibiotics

Stefan-van Staden, Raluca-Ioana, Mashile, Tumelo, Mathabathe, Kgadi Clarrie, van Staden, Jacobus Frederick

Journal:

Instrumentation Science & Technology

Year:

2009

Language:

english

File:

PDF, 130 KB

english, 2009

86

BIENZYMATIC AMPEROMETRIC SENSOR FOR PROTEIN ASSAY IN MILK

Raluca-Ioana, Stefan, Makhafola, Makhapa A., van Staden, Jacobus (Koos) F.

Journal:

Preparative Biochemistry & Biotechnology

Year:

2002

Language:

english

File:

PDF, 135 KB

english, 2002

87

New stochastic microsensors based on oleamides

Cioates Negut, Catalina, Stefan-van Staden, Raluca-Ioana, Moldoveanu, Iuliana, Ungureanu, Eleonora-Mihaela, Stanciu-Gavan, Camelia

Journal:

Electrochemistry Communications

Year:

2015

Language:

english

File:

PDF, 637 KB

english, 2015

88

Electrochemical Sensor Arrays

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

Journal:

Critical Reviews in Analytical Chemistry

Year:

1999

Language:

english

File:

PDF, 113 KB

english, 1999

89

Enantioanalysis of L-Histidine Using Enantioselective, Potentiometric Membrane Electrodes Based on Maltodextrins

Stefan-van Staden, Raluca-Ioana, Holo, Luxolo

Journal:

Analytical Letters

Year:

2011

Language:

english

File:

PDF, 159 KB

english, 2011

90

Enantioanalysis of S-Ketoprofen Using Enantioselective, Potentiometric Membrane Electrodes

Stefan-van Staden, Raluca-Ioana, Suzan Nhlapo, Nontete, Frederick van Staden, Jacobus, Aboul-Enein, Hassan Y.

Journal:

Analytical Letters

Year:

2009

Language:

english

File:

PDF, 241 KB

english, 2009

91

Pattern recognition of neuron specific enolase and carcinoembryonic antigen in whole blood samples

Stefan-van Staden, Raluca-Ioana, Comnea-Stancu, Ionela Raluca, Surdu-Bob, Carmen Cristina, Stanciu-Gavan, Camelia

Journal:

Journal of Molecular Recognition

Year:

2015

Language:

english

File:

PDF, 426 KB

english, 2015

92

Micro- and Nanosensors, Recent Developments and Features: A Minireview

Staden, Raluca-Ioana Stefan-van, Staden, Jacobus Frederick van, Balasoiu, Simona-Cornelia, Vasile, Otilia-Ruxandra

Journal:

Analytical Letters

Year:

2010

Language:

english

File:

PDF, 122 KB

english, 2010

93

A Novel Ciprofloxacin Selective Membrane Electrode

Mahmoud Nejem, R’afat, Mohamed Issa, Mahmoud, Stefan-van Staden, Raluca-Ioana, Baroud, Haneen

Journal:

Current Pharmaceutical Analysis

Year:

2012

Language:

english

File:

PDF, 129 KB

english, 2012

94

Multimode sensors as new tools for molecular recognition of testosterone, dihydrotestosterone and estradiol in children's saliva

Gugoasa, Livia Alexandra, Stefan-van Staden, Raluca-Ioana, Calenic, Bogdan, Legler, Juliette

Journal:

Journal of Molecular Recognition

Year:

2015

Language:

english

File:

PDF, 482 KB

english, 2015

95

Evaluation of amperometric dot microsensors for the analysis of folic acid in pharmaceutical tablets and urine samples

Georgescu, Ramona, van Staden, Jacobus Frederick, Stefan-van Staden, Raluca-Ioana, Boscornea, Cristian

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2015

Language:

english

File:

PDF, 698 KB

english, 2015

96

Pattern recognition of HER-1 in biological fluids using stochastic sensing

Stefan-van Staden, Raluca-Ioana, Moldoveanu, Iuliana, Stanciu Gavan, Camelia

Journal:

Journal of Enzyme Inhibition and Medicinal Chemistry

Year:

2015

Language:

english

File:

PDF, 190 KB

english, 2015

97

Novel textile material based disposable sensors for biomedical analysis

Stefan-van Staden, Raluca-Ioana, Gugoaşă, Livia Alexandra, Badulescu, Marius, Surdu-Bob, Carmen Cristina

Journal:

Year:

2015

Language:

english

File:

PDF, 4.26 MB

english, 2015

98

Amperometric Immunosensor for the Determination of 2′,3′-dideoxyinosine

Stefan-van Staden, Raluca-Ioana, Ozoemena, Kenneth I.

Journal:

Analytical Letters

Year:

2009

Language:

english

File:

PDF, 107 KB

english, 2009

99

Determination of (+)-3,3′,5,5′-Tetraiodo-L-thyronine (L-T 4 ) in Serum and Pharmaceutical Formulations using a Sequential Injection Analysis/Immunosensor System

Staden, Raluca-Ioana Stefan-van, Staden, Jacobus Frederick van, Aboul-Enein, Hassan Y., Mirica, Marius Constantin, Balcu, Ionel, Mirica, Nicolae

Journal:

Journal of Immunoassay and Immunochemistry

Year:

2008

Language:

english

File:

PDF, 121 KB

english, 2008

100

New Platforms for Fast Assessment of Levels of Testosterone, Dihydrotestosterone, and Estradiol in Children's Saliva

Gugoasa, Livia Alexandra, Stefan-van Staden, Raluca-Ioana, van Staden, Jacobus Frederick, Calenic, Bogdan, Legler, Juliette

Journal:

Analytical Letters

Year:

2015

Language:

english

File:

PDF, 466 KB

english, 2015