Aseptic No-touch
Aseptic No-touch - Related Videos
10:48
Aseptic Technique in Environmental Science
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2023
Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona Demonstrating Author: Luisa Ikner Aseptic technique is a fundamental skill widely practiced in the field of environmental microbiology that requires a balance of mindfulness and practice in the laboratory. Proper use of this technique reduces the likelihood of bacterial or fungal contamination of reagents, culture media, and environmental samples. Aseptic technique is also vital to ensure data integrity and...
18:00
Aseptic Laboratory Techniques: Plating Methods
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Cited by 438 •
2012
When working with media and reagents used to culture microorganisms, aseptic technique must be practiced to ensure contamination is minimized. A variety of plating methods are routinely used to isolate, propagate, or enumerate bacteria and phage, all of which incorporate procedures that maintain the sterility of experimental materials.
11:43
Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
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Cited by 24 •
2012
When working in a laboratory, it is imperative to minimize sources of contamination. Aseptic technique refers to procedures that permit transfer of cultures and reagents while avoiding contact with non-sterile surfaces. Serological pipettes and micropipettors are used to measure precise volumes without compromising sterility of solutions used in experiments.
02:26
Responses to Gravity and Touch
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2020
Gravitropism: Plant Responses to Gravity Higher plants sense gravity using statocytes, cells found near the vascular tissue in shoots, and in the root cap columella in roots. Statocytes contain starch-filled organelles called statoliths. The statoliths settle, or sediment, at the bottom of the statocyte in the direction of gravity. Statolith sedimentation triggers a signaling cascade, resulting in the asymmetrical distribution of the plant hormone auxin across root and shoot tips. This...
02:37
Touch Habituation Assay: A Method to Study Non-Associative Learning in C. elegans
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2023
This video introduces the touch habituation assay, a C. elegans behavioral method of assessing mechanosensation and quantifying time to habituation.
FAQs
They are the components and patient areas that must remain free from contamination for a procedure to stay aseptic. Protecting them focuses attention on the points where microorganisms could be transferred during medication administration, device placement, wound care, or specimen collection. This principle helps clinicians make deliberate handling decisions rather than treating every object or surface as equally critical.
Hand hygiene reduces microorganisms on the hands before equipment, the patient, or procedure-related components are prepared and handled. It therefore supports, but does not replace, protection of sterile key parts and key sites. When combined with deliberate no-touch handling, hand hygiene helps limit transfer during injections, catheter insertion, wound care, and other clinical procedures.
Deliberate handling means planning each movement so hands and nonsterile objects do not contact components that must remain sterile. This requires awareness of which items and patient areas are key parts or key sites, followed by controlled preparation and positioning. Such handling reduces opportunities for microorganism transfer and keeps the procedure aligned with its aseptic objective.
The workflow begins with hand hygiene, followed by appropriate preparation of equipment and the patient. Clinicians then identify the sterile key parts and key sites, arrange the procedure so those areas remain protected, and handle materials without allowing contact from hands or nonsterile objects. An aseptic field is maintained when required, supporting consistent and safer task performance.
Its principles apply across procedures in which contamination could compromise safety, including injections, wound care, catheter insertion, medication administration, device placement, and specimen collection. The same reasoning can be adapted to different clinical workflows: prepare the patient and equipment appropriately, protect the relevant sterile components and sites, and prevent avoidable contact throughout the procedure.
Training helps standardize how clinicians prepare, handle, and protect sterile components during routine procedures. Consistent practice can reduce avoidable microorganism transfer and support safer medication administration, device placement, and specimen collection. It also strengthens patient safety by making infection-prevention expectations more predictable across healthcare settings, rather than leaving aseptic decisions to informal habits or individual variation.