Sandra Castel

Medicine

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 100%percentile

0Author DataRank

Indexed papers

0in pilot corpus

datarank_citation_only_1hop_v6· scope data_onlyMethodology

Papers

Driven by 12 papers. Top paper: “Relationship between Plasma and Intracellular Concentrations of Bedaquiline and Its M2 Metabolite in South African Patients with Rifampin-Resistant Tuberculosis”.

Relationship between Plasma and Intracellular Concentrations of Bedaquiline and Its M2 Metabolite in South African Patients with Rifampin-Resistant Tuberculosis

Antimicrobial Agents and Chemotherapy(2021)10.1128/aac.02399-20

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23 citations

James C.M. Brust, Stijn W. van Beek, Sean Wasserman, Gary Maartens, Graeme Meintjes +9 more

Validation and application of a quantitative LC-MS/MS assay for the analysis of first-line anti-tuberculosis drugs, rifabutin and their metabolites in human breast milk

Journal of Chromatography B(2022)10.1016/j.jchromb.2022.123489

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0DataRank · unranked

9 citations

Anton Joubert, Marthinus van der Merwe, Jennifer Norman, Catriona Waitt, Richard Court +4 more

Validation of a quantitative liquid chromatography tandem mass spectrometry assay for linezolid in cerebrospinal fluid and its application to patients with HIV-associated TB-meningitis

Heliyon(2023)10.1016/j.heliyon.2023.e21962

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4 citations

Anton Joubert, Sandra Castel, Marthinus van der Merwe, Gary Maartens, Sean Wasserman +2 more

Population Pharmacokinetic Analysis of Rifampicin in Plasma, Cerebrospinal Fluid, and Brain Extracellular Fluid in South African Children with Tuberculous Meningitis

Antimicrobial Agents and Chemotherapy(2023)10.1128/aac.01474-22

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9 citations

Mvuwo Tshavhungwe, Ursula K. Rohlwink, Helen McIlleron, Mahmoud Tareq Abdelwahab, Lubbe Wiesner +7 more

Liquid chromatography-tandem mass spectrometry analysis of delamanid and its metabolite in human cerebrospinal fluid using protein precipitation and on-line solid-phase extraction

Journal of Pharmaceutical and Biomedical Analysis(2023)10.1016/j.jpba.2023.115281

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5 citations

Anton Joubert, Sandra Castel, Marthinus van der Merwe, Gary Maartens, Kelly E. Dooley +3 more

Development and validation of a liquid chromatography tandem mass spectrometry assay for the analysis of bedaquiline and M2 in breast milk

Journal of Mass Spectrometry and Advances in the Clinical Lab(2023)10.1016/j.jmsacl.2023.12.001

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1 citations

Richard Court, Sandra Castel, Anton Joubert, Marthinus van der Merwe, Lubbe Wiesner +1 more

Evaluation of pharmacokinetics of Tenofovir Alafenamide (TAF) and Tenofovir Disoproxil (TDF) in pregnant and postpartum women in South Africa: PrEP-PP PK study

Antiviral Research(2024)10.1016/j.antiviral.2024.106014

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5 citations

Sumaya Dadan, Kalisha Bheemraj, Catriona Waitt, Saye Khoo, Landon Myer +8 more

Development and validation of a liquid chromatography-tandem mass spectrometry assay for the simultaneous analysis of isoniazid and pyrazinamide in cerebrospinal fluid

Journal of Pharmaceutical and Biomedical Analysis(2024)10.1016/j.jpba.2024.116613

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3 citations

Anton Joubert, Sandra Castel, Marthinus van der Merwe, Edda Zangenberg, Sean Wasserman +3 more

A validated liquid chromatography-tandem mass spectrometry assay for the analysis of isoniazid and its metabolite acetyl-isoniazid in urine

Journal of Mass Spectrometry and Advances in the Clinical Lab(2024)10.1016/j.jmsacl.2024.02.001

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2 citations

Willem Van Dalen, Anton Joubert, Jennifer M. Norman, Sandra Castel, Marthinus van der Merwe +2 more

Validation and application of an online extraction and liquid chromatography tandem mass spectrometry assay for the analysis of delamanid and its DM-6705 metabolite in human breast milk

Journal of Pharmaceutical and Biomedical Analysis(2024)10.1016/j.jpba.2024.116225

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1 citations

Richard Court, Sandra Castel, Anton Joubert, Marthinus van der Merwe, Gary Maartens +3 more

Development and validation of an LC-MS/MS multiplex assay for the quantification of bedaquiline, n-desmethyl bedaquiline, linezolid, levofloxacin, and clofazimine in dried blood spots

Journal of Chromatography B(2025)10.1016/j.jchromb.2025.124470

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5 citations

Anton Joubert, Saskia Spaltman, Marthinus van der Merwe, Edda Zangenberg, Sharon Sawe +7 more

Development and validation of an LC-MS/MS method for quantifying total and unbound doravirine in human plasma

Journal of Chromatography B(2025)10.1016/j.jchromb.2024.124439

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0 citations

Sydwell Poulo Maputla, Phiwe Zuma, Anton Joubert, Sandra Castel, Marthinus van der Merwe +3 more