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Chemicals that are added to drug products to prolong shelf life and maintain sterility. Protection of formulations, especially aqueous solutions, against microbial growth requires use of either antibacterial or antifungal preservatives. Generally, such agents are active against either bacteria or fungi but a few are active against both. The antimicrobials include but not limited to chlorobutanol, benzyl alcohol, sodium benzoate, sorbic acid, and phenol. The antioxidizing agents include butylated hydroxytoluene, hydroxyanisole, propyl gallate, and sulfites. The necessary addition of preservatives for both safety and economy sometimes has been associated with significant adverse effects in certain patient populations.

Pcr Terms

Artículo

Protocol for culture, drug treatment, and dissociation of patient-derived 3D ovarian cancer microspheroids for flow cytometry.

Research record from STAR Protoc, 2026-03-31. PMID 41920744.

Artículo

Quantification of Upadacitinib, Dasatinib, Ruxolitinib, Imatinib, and Cabozantinib in Plasma With Liquid Chromatography-Tandem Mass Spectrometry.

Research record from Ther Drug Monit, 2026-10-28. PMID 42949034.

Artículo

Reproducibility of Serum Androgen Concentrations by Liquid Chromatography Mass Spectrometry in Healthy Male and Female Athletes.

Research record from Drug Test Anal, 2026-06-30. PMID 42374920.

Pruebas

Salicylates Level

This test measures the amount of salicylates in the blood. Salicylates are a type of drug found in many over-the-counter and prescription medicines. These can include:

For everyone & professionals

Artículo

Targeted Next-Generation Sequencing Analysis of BALF Microbiota and Clinical Characteristics in Severe versus Non-Severe Community-Acquired Pneumonia.

Research record from Infect Drug Resist, 2026-04-16. PMID 42016370.

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Measurement of Tamoxifen and Endoxifen Concentrations via Liquid Chromatography-Tandem Mass Spectrometry to Assess Adherence and Optimal Concentrations in South Africans with Breast Cancer Participating in a Pilot Trial: A Short Communication.

MPT64 secretion as a viability-associated immunoassay readout for rapid phenotypic drug susceptibility classification of Mycobacterium tuberculosis: a proof-of-concept study.

Opioid Testing

Performance of Molecular Diagnostics in Strengthening Tuberculosis Detection and Drug Resistance Surveillance: A Comparative Study with Conventional Methods.

Performance of next-generation sequencing technologies for detecting drug-resistant tuberculosis in people with pulmonary tuberculosis.

Pilot evaluation of a compact targeted next-generation sequencing with minimum biocontainment for rapid diagnosis of drug-resistant tuberculosis.

Preservative Excipient

Protocol for culture, drug treatment, and dissociation of patient-derived 3D ovarian cancer microspheroids for flow cytometry.

Quantification of Upadacitinib, Dasatinib, Ruxolitinib, Imatinib, and Cabozantinib in Plasma With Liquid Chromatography-Tandem Mass Spectrometry.

Reproducibility of Serum Androgen Concentrations by Liquid Chromatography Mass Spectrometry in Healthy Male and Female Athletes.

Salicylates Level

Targeted Next-Generation Sequencing Analysis of BALF Microbiota and Clinical Characteristics in Severe versus Non-Severe Community-Acquired Pneumonia.