Agnieszka Czajkowska

Warsaw, MZ 04730, Poland

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 17 publications

Matrix fidelity in microsampling: Plasma-first LC-MS/MS quantification of mycophenolic acid and MPAG.

Matrix fidelity in microsampling: Plasma-first LC-MS/MS quantification of mycophenolic acid and MPAG.

Journal: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Published: May 11, 2026

Rapid, robust LC-MS/MS quantification of cefazolin in whole blood microsamples, plasma, and plasma ultrafiltrate: Analytical method validation and preliminary clinical application in pediatric population.

Rapid, robust LC-MS/MS quantification of cefazolin in whole blood microsamples, plasma, and plasma ultrafiltrate: Analytical method validation and preliminary clinical application in pediatric population.

Journal: Clinica chimica acta; international journal of clinical chemistry

Published: November 30, 2025

Volumetric Absorptive Microsampling of Saliva for Pharmacokinetic Evaluation of Mycophenolic Acid and Its Glucuronide Metabolite in Pediatric Renal Transplant Recipients: Bioanalytical Method Validation and Clinical Feasibility Evaluation.

Volumetric Absorptive Microsampling of Saliva for Pharmacokinetic Evaluation of Mycophenolic Acid and Its Glucuronide Metabolite in Pediatric Renal Transplant Recipients: Bioanalytical Method Validation and Clinical Feasibility Evaluation.

Journal: Pharmaceuticals (Basel, Switzerland)

Published: October 12, 2025

Novel LC-MS/MS method for measuring methotrexate in high-dose therapy: a comparative study with commercial EMIT and EIA immunoassays.

Novel LC-MS/MS method for measuring methotrexate in high-dose therapy: a comparative study with commercial EMIT and EIA immunoassays.

Journal: Pharmacological reports : PR

Published: September 03, 2025

The comparison of two volumetric microsampling devices (qDBS and VAMS) for determining ganciclovir levels in capillary blood using the LC-MS/MS technique in pediatric renal transplant recipients.

The comparison of two volumetric microsampling devices (qDBS and VAMS) for determining ganciclovir levels in capillary blood using the LC-MS/MS technique in pediatric renal transplant recipients.

Journal: European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences

Published: May 16, 2025

Personalization of pharmacotherapy with sirolimus based on volumetric absorptive microsampling (VAMS) in pediatric renal transplant recipients-from LC-MS/MS method validation to clinical application.

Personalization of pharmacotherapy with sirolimus based on volumetric absorptive microsampling (VAMS) in pediatric renal transplant recipients-from LC-MS/MS method validation to clinical application.

Journal: Pharmacological reports : PR

Published: August 11, 2024

Assessment of Dried Serum Spots (DSS) and Volumetric-Absorptive Microsampling (VAMS) Techniques in Therapeutic Drug Monitoring of (Val)Ganciclovir-Comparative Study in Analytical and Clinical Practice.

Assessment of Dried Serum Spots (DSS) and Volumetric-Absorptive Microsampling (VAMS) Techniques in Therapeutic Drug Monitoring of (Val)Ganciclovir-Comparative Study in Analytical and Clinical Practice.

Journal: International journal of molecular sciences

Published: June 29, 2024

A novel approach to therapeutic drug monitoring of Ciclosporin in pediatric renal transplant recipients using volumetric absorptive microsampling (VAMS) - Teaching old dog new tricks.

A novel approach to therapeutic drug monitoring of Ciclosporin in pediatric renal transplant recipients using volumetric absorptive microsampling (VAMS) - Teaching old dog new tricks.

Journal: Clinica chimica acta; international journal of clinical chemistry

Published: May 28, 2024

Turbidimetric flow analysis system for the investigation of microbial growth.

Turbidimetric flow analysis system for the investigation of microbial growth.

Journal: Talanta

Published: July 05, 2023

Therapeutic drug monitoring of mycophenolic acid (MPA) using volumetric absorptive microsampling (VAMS) in pediatric renal transplant recipients: ultra-high-performance liquid chromatography-tandem mass spectrometry analytical method development, cross-validation, and clinical application.

Therapeutic drug monitoring of mycophenolic acid (MPA) using volumetric absorptive microsampling (VAMS) in pediatric renal transplant recipients: ultra-high-performance liquid chromatography-tandem mass spectrometry analytical method development, cross-validation, and clinical application.

Journal: Pharmacological reports : PR

Published: June 19, 2023

Therapeutic Drug Monitoring of Tacrolimus Based on Volumetric Absorptive Microsampling Technique (VAMS) in Renal Transplant Pediatric Recipients-LC-MS/MS Method Development, Hematocrit Effect Evaluation, and Clinical Application.

Therapeutic Drug Monitoring of Tacrolimus Based on Volumetric Absorptive Microsampling Technique (VAMS) in Renal Transplant Pediatric Recipients-LC-MS/MS Method Development, Hematocrit Effect Evaluation, and Clinical Application.

Journal: Pharmaceutics

Published: December 13, 2022

The relationship between 6-thioguanine levels and remission outcomes in children with autoimmune hepatitis. Single center experience.

The relationship between 6-thioguanine levels and remission outcomes in children with autoimmune hepatitis. Single center experience.

Journal: Clinical and experimental hepatology

Published: November 13, 2022

Showing 1-12 of 17

Last Updated: 09/26/2026