Swab Sample Processing
Swab Sample Processing - Related Videos
10:03
Swab Sampling Method for the Detection of Human Norovirus on Surfaces
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Cited by 40 •
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A macrofoam based sampling methodology was developed and evaluated for the detection and quantification of norovirus on environmental hard surfaces.
11:20
In Situ Visualization of the Phase Behavior of Oil Samples Under Refinery Process Conditions
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Cited by 1 •
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This article describes a setup and method for the in situ visualization of oil samples under a variety of temperature and pressure conditions that aim to emulate refining and upgrading processes. It is primarily used for studying isotropic and anisotropic media involved in the fouling behavior of petroleum feeds.
07:13
Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
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Cited by 5 •
2021
A citizen science project was designed to recruit San Diego residents to collect environmental samples for SARS-CoV-2. A multilingual web-based platform was created for data submission using a user-friendly mobile device interface. A laboratory information management system facilitated the collection of thousands of geographically diverse samples with real-time outcome tracking.
02:34
Quantification of Group B Streptococcus Load in the Mouse Vaginal Lumen via Swabbing and Chromogenic Culture
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2026
Source: Patras, K. A. & Doran, K. S. A Murine Model of Group B Streptococcus Vaginal Colonization. J. Vis. Exp. (2016)This video demonstrates the quantification of vaginal Group B Streptococcus (GBS) load in a mouse model using swabbing and chromogenic culture. It outlines the steps involved in sample collection, plating, and colony counting to quantify GBS load in the mouse vaginal lumen.
05:07
Sampling Strategies and Processing of Biobank Tissue Samples from Porcine Biomedical Models
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Cited by 20 •
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The practical application and performance of methods for generation of representative tissue samples of porcine animal models for a broad spectrum of downstream analyses in biobank projects are demonstrated, including volumetry, systematic random sampling, and differential processing of tissue samples for qualitative and quantitative morphologic and molecular analyses types.
FAQs
Transport medium provides the environment in which material from the swab can be transferred and maintained before testing. Its suitability matters because the sample may contain cells, microorganisms, or nucleic acids that must remain sufficiently intact for the selected analysis. In practice, choosing an appropriate medium supports analyte preservation and helps produce dependable downstream results.
Agitation and chemical lysis are alternative release steps. Agitation can help release material from the swab, while chemical lysis uses chemical treatment for the same preparation goal. The choice depends on the material being targeted and the sample type, because different biological contents may require different handling before debris is removed. This preparation determines how much usable material reaches testing.
Debris removal and contamination control protect the interpretability of a processed swab sample. Removing debris prepares the material for testing, while careful handling limits unwanted material entering the workflow. These safeguards matter because microscopy, culture, immunoassays, and PCR rely on the integrity of what reaches the test. Together, they support more reliable biological results.
The target and sample type help determine which downstream analysis is appropriate and how the material should be prepared. Microscopy, culture, immunoassays, and molecular methods such as PCR do not all address the same analytical purpose. Matching the preparation to the intended test helps ensure that the recovered cells, microorganisms, or nucleic acids remain suitable for that method.
A practical sequence starts by placing the collected swab in a suitable transport medium. The sample is then agitated or chemically lysed to release target material, followed by debris removal. Handling and storage are maintained carefully throughout, and the resulting preparation is directed to microscopy, culture, immunoassay, or molecular testing according to the target and sample type.
Handling and storage are important from collection through testing because biological material must remain sufficiently intact for analysis. The appropriate conditions depend on the sample and target, so no single storage approach applies universally. Contamination control is equally important, since unwanted material can compromise the reliability of downstream microscopy, culture, immunoassay, or PCR results.
Swab Sample Processing is useful wherever biological material must be prepared for analysis, including clinical, environmental, and research settings. The selected test depends on the target and sample type, so applications can differ substantially. Processed swabs may support microscopy, culture, immunoassays, or PCR-based molecular analysis, allowing one collection approach to serve several biological investigation contexts.