Biosafety Cabinet
Biosafety Cabinet - Related Videos
06:19
Decontamination for Laboratory Biosafety
0 Views •
2023
Robert M. Rioux and Zhifeng Chen, Pennsylvania State University, University Park, PA Decontamination is essential for laboratory biosafety, as the accumulation of microbial contamination in the laboratory can lead to the transmission of disease. The degree of decontamination can be classified as either disinfection or sterilization. Disinfection aims to eliminate all pathogenic microorganisms, with the exception of bacterial spores on lab surfaces or equipment. Sterilization, on the other hand,...
05:48
Fume Hoods and Laminar Flow Cabinets
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2023
Robert M. Rioux & William A. Elliott, Pennsylvania State University, University Park, PA Fume hoods and laminar flow cabinets are engineering controls that operate under similar principles. Both use a constant flow of air to prevent contamination of the laboratory environment and its inhabitants. Fume hoods prevent hazardous substances from exiting the hood workspace, whereas laminar flow cabinets prevent contaminants from entering the cabinet workspace. Fume hoods are ventilation systems...
12:09
Avian Influenza Surveillance with FTA Cards: Field Methods, Biosafety, and Transportation Issues Solved
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Cited by 42 •
2011
A method to preserve, detect and sequence RNA from Avian Influenza Viruses was validated and extended using natural faecal samples from birds. This technique removes the necessity of maintaining a cool chain and handling of infectious viruses and can be applied in a 96-well high-throughput setup.
10:11
Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes
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Cited by 54 •
2014
Work with infectious Ebola viruses is restricted to biosafety level 4 laboratories. Tetracistronic minigenome-containing replication and transcription-competent virus like particles (trVLPs) represent a lifecycle modeling system that allows us to safely model multiple infectious cycles under biosafety level 2 conditions, relying exclusively on Ebola virus components.
14:03
Transduction of Human Cells with Polymer-complexed Ecotropic Lentivirus for Enhanced Biosafety
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Cited by 8 •
2011
Lentiviruses are a valuable research tool for exploring gene function; however, researchers may wish to avoid production of pantropic lentivirus encoding known or suspected oncogenes. As an alternative, we present a safer protocol for use of ecotropic lentivirus on human cells modified to express the ecotropic receptor mSlc7a1.
FAQs
Inward airflow helps keep aerosols generated during biological work from escaping into the laboratory, while filtered airflow moves across the work area to reduce contamination of cultures and materials. These functions address different risks at the same time: containment protects personnel and the environment, whereas clean airflow supports experimental integrity during procedures involving biological samples.
High-efficiency particulate air filters treat the air moving through the cabinet, supporting protection of the work area and helping control the release of biological particles. Their role is closely linked to controlled ventilation rather than acting alone. Together, filtration and directed airflow provide the conditions needed for safer handling and less contamination during laboratory procedures.
The cabinet class determines whether the selected equipment is appropriate for the protection needs of a particular biological procedure. Choosing correctly helps align containment, personnel protection, environmental protection, and sample integrity with the work being performed. Because cell culture, microbiological procedures, and potentially infectious specimens can present different risks, selection is an essential part of safe laboratory planning.
It supports aseptic technique by providing a controlled work area in which filtered airflow helps reduce contamination of cultures and materials. This is especially relevant when researchers perform cell culture procedures, where unwanted biological contamination can compromise experimental results. The cabinet therefore contributes both to safer handling and to maintaining the reliability of biological samples.
Correct use begins with selecting a cabinet class suited to the intended biological work and then operating the equipment according to established laboratory practice. Researchers should preserve the cabinet's controlled airflow while applying aseptic technique during procedures. These considerations help maintain containment, reduce exposure risks, and protect the integrity of samples and cultures.
Biosafety cabinets support cell culture, microbiological procedures, and the handling of potentially infectious specimens. In each setting, the cabinet provides a controlled workspace that addresses both safety and contamination concerns. Its value extends beyond a single experiment: appropriate use helps researchers manage biological materials while protecting personnel, the surrounding environment, and the quality of experimental work.