Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media
In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). A...
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| Autor*in: |
Allahverdiyeva, Shabnam [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
Square-wave adsorptive stripping voltammetry |
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| Übergeordnetes Werk: |
Enthalten in: Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications - Mohamed, S.H. ELSEVIER, 2019, the international journal of pure and applied analytical chemistry, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:223 ; year:2021 ; day:1 ; month:02 ; pages:0 |
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| DOI / URN: |
10.1016/j.talanta.2020.121695 |
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| 245 | 1 | 0 | |a Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media |
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| 520 | |a In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. | ||
| 520 | |a In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. | ||
| 650 | 7 | |a Square-wave adsorptive stripping voltammetry |2 Elsevier | |
| 650 | 7 | |a Cetyltrimethylammonium bromide |2 Elsevier | |
| 650 | 7 | |a Sodium dodecylsulfate |2 Elsevier | |
| 650 | 7 | |a Urine samples |2 Elsevier | |
| 650 | 7 | |a Boron-doped diamond electrode |2 Elsevier | |
| 650 | 7 | |a Demeclocycline |2 Elsevier | |
| 700 | 1 | |a Yardım, Yavuz |4 oth | |
| 700 | 1 | |a Şentürk, Zühre |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Mohamed, S.H. ELSEVIER |t Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications |d 2019 |d the international journal of pure and applied analytical chemistry |g Amsterdam [u.a.] |w (DE-627)ELV003060667 |
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10.1016/j.talanta.2020.121695 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001228.pica (DE-627)ELV052376028 (ELSEVIER)S0039-9140(20)30986-3 DE-627 ger DE-627 rakwb eng 530 620 VZ 53.56 bkl Allahverdiyeva, Shabnam verfasserin aut Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. Square-wave adsorptive stripping voltammetry Elsevier Cetyltrimethylammonium bromide Elsevier Sodium dodecylsulfate Elsevier Urine samples Elsevier Boron-doped diamond electrode Elsevier Demeclocycline Elsevier Yardım, Yavuz oth Şentürk, Zühre oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:223 year:2021 day:1 month:02 pages:0 https://doi.org/10.1016/j.talanta.2020.121695 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 223 2021 1 0201 0 |
| spelling |
10.1016/j.talanta.2020.121695 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001228.pica (DE-627)ELV052376028 (ELSEVIER)S0039-9140(20)30986-3 DE-627 ger DE-627 rakwb eng 530 620 VZ 53.56 bkl Allahverdiyeva, Shabnam verfasserin aut Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. Square-wave adsorptive stripping voltammetry Elsevier Cetyltrimethylammonium bromide Elsevier Sodium dodecylsulfate Elsevier Urine samples Elsevier Boron-doped diamond electrode Elsevier Demeclocycline Elsevier Yardım, Yavuz oth Şentürk, Zühre oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:223 year:2021 day:1 month:02 pages:0 https://doi.org/10.1016/j.talanta.2020.121695 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 223 2021 1 0201 0 |
| allfields_unstemmed |
10.1016/j.talanta.2020.121695 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001228.pica (DE-627)ELV052376028 (ELSEVIER)S0039-9140(20)30986-3 DE-627 ger DE-627 rakwb eng 530 620 VZ 53.56 bkl Allahverdiyeva, Shabnam verfasserin aut Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. Square-wave adsorptive stripping voltammetry Elsevier Cetyltrimethylammonium bromide Elsevier Sodium dodecylsulfate Elsevier Urine samples Elsevier Boron-doped diamond electrode Elsevier Demeclocycline Elsevier Yardım, Yavuz oth Şentürk, Zühre oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:223 year:2021 day:1 month:02 pages:0 https://doi.org/10.1016/j.talanta.2020.121695 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 223 2021 1 0201 0 |
| allfieldsGer |
10.1016/j.talanta.2020.121695 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001228.pica (DE-627)ELV052376028 (ELSEVIER)S0039-9140(20)30986-3 DE-627 ger DE-627 rakwb eng 530 620 VZ 53.56 bkl Allahverdiyeva, Shabnam verfasserin aut Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. Square-wave adsorptive stripping voltammetry Elsevier Cetyltrimethylammonium bromide Elsevier Sodium dodecylsulfate Elsevier Urine samples Elsevier Boron-doped diamond electrode Elsevier Demeclocycline Elsevier Yardım, Yavuz oth Şentürk, Zühre oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:223 year:2021 day:1 month:02 pages:0 https://doi.org/10.1016/j.talanta.2020.121695 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 223 2021 1 0201 0 |
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10.1016/j.talanta.2020.121695 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001228.pica (DE-627)ELV052376028 (ELSEVIER)S0039-9140(20)30986-3 DE-627 ger DE-627 rakwb eng 530 620 VZ 53.56 bkl Allahverdiyeva, Shabnam verfasserin aut Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. Square-wave adsorptive stripping voltammetry Elsevier Cetyltrimethylammonium bromide Elsevier Sodium dodecylsulfate Elsevier Urine samples Elsevier Boron-doped diamond electrode Elsevier Demeclocycline Elsevier Yardım, Yavuz oth Şentürk, Zühre oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:223 year:2021 day:1 month:02 pages:0 https://doi.org/10.1016/j.talanta.2020.121695 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 223 2021 1 0201 0 |
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Enthalten in Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications Amsterdam [u.a.] volume:223 year:2021 day:1 month:02 pages:0 |
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Enthalten in Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications Amsterdam [u.a.] volume:223 year:2021 day:1 month:02 pages:0 |
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Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications |
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The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. 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Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media |
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In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. |
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In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. |
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In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL−1 (2.3 × 10−6 M) for 4 × 10−4 SDS-containing buffer solution at pH 2, and 0.24 μg mL−1 (4.8 × 10−7 M) for 1 × 10−4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples. |
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