Surface Swabbing
Surface Swabbing - Related Videos
10:03
Swab Sampling Method for the Detection of Human Norovirus on Surfaces
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Cited by 40 •
2017
A macrofoam based sampling methodology was developed and evaluated for the detection and quantification of norovirus on environmental hard surfaces.
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.
04:45
Swab-based Conjunctival Commensal Bacteria Isolation: A Technique to Isolate Commensal Bacteria from Conjunctiva of Murine Model
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2025
This video describes a swab-based technique to isolate viable commensal bacteria from the ocular conjunctiva. The technique can be used to profile the commensal bacterial microbiome of the conjunctiva, which plays a defensive role against pathogens.
09:20
A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction
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Cited by 12 •
2016
We present a method to control the interfacial energy of a liquid metal in an electrolyte via electrochemical deposition (or removal) of a surface oxide layer. This simple method can control the capillary behavior of gallium-based liquid metals by tuning the interfacial energy rapidly, significantly, and reversibly using modest voltages.
01:16
Surface Tension and Surface Energy
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2023
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension. Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
FAQs
Consistency is central because pressure and movement influence how much material transfers from a defined area to the swab. Applying the same approach across samples makes findings more comparable when researchers assess contamination, examine persistence, or compare hygiene conditions. This standardization strengthens interpretation of laboratory results.
Transport medium helps preserve the collected sample between sampling and laboratory analysis. That matters because the same specimen may later undergo culture, microscopy, antigen testing, or nucleic acid amplification. Keeping the sample in the intended medium connects field collection with the analytical method selected for detecting microorganisms, cells, or biological residues.
Surface Swabbing can target environmental, skin, or equipment surfaces, so the sampled location provides context for interpreting the laboratory signal. Environmental sampling may indicate contamination, while skin and equipment sampling can help examine clinical practices or hygiene conditions. Linking the result to surface type supports more focused infection investigations.
The selected laboratory analysis shapes the type of evidence obtained from a sample. Culture, microscopy, antigen testing, and nucleic acid amplification provide different analytical routes for examining collected material. Choosing among them allows investigators to align surface-sampling results with questions about microorganisms, biological residues, contamination, or pathogen detection.
A practical workflow begins by identifying the surface and area to be sampled, then using a sterile swab with consistent pressure and movement. The swab is placed in transport medium before laboratory analysis. This sequence links a defined collection event to culture, microscopy, antigen testing, or nucleic acid amplification while preserving the sampling context.
In infection-control work, investigators can use results from environmental, skin, or equipment surfaces to assess contamination and hygiene measures. Finding where organisms or biological residues are detected helps identify locations relevant to clinical practices. The method therefore connects surface-level observations with broader monitoring of hygiene and infection-control measures.
Surface-swabbing data can contribute to transmission investigations by showing where organisms persist across relevant surfaces. When findings are associated with environmental, skin, or equipment locations, investigators gain evidence for considering possible transmission pathways. The same approach also supports evaluation of disinfectants and public-health interventions, linking localized sampling results to broader control strategies.