Cell Culture Biosafety
Cell Culture Biosafety - Related Videos
06:19
Decontamination for Laboratory Biosafety
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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,...
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.
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.
08:05
Culturing Human Pluripotent and Neural Stem Cells in an Enclosed Cell Culture System for Basic and Preclinical Research
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Cited by 3 •
2016
Here is a protocol to grow pluripotent stem cells (PSC) and neural stem cells (NSC) in an enclosed cell culture system that permits maximum sterility and reproducibility, replacing the traditional biosafety cabinet and incubator. This equipment meets clinical good manufacturing practice (cGMP) and clinical good lab practice (cGLP) guidelines.
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.
FAQs
Risk assessment links the biological hazards of a culture to the safeguards required for its handling. It informs decisions about personal protective equipment, access restrictions, aseptic practices, and decontamination of cultures, surfaces, and waste. This structured approach helps laboratories match controls to experimental conditions rather than applying identical measures without considering potential exposure or contamination pathways.
Aseptic technique limits the introduction and spread of unwanted biological contaminants during cell handling. Protecting culture integrity is especially important when experiments examine differentiation, tissue organization, stem cell behavior, or organoid development, because contamination can compromise the biological system and make observed developmental outcomes difficult to interpret or reproduce across experiments.
Personal protective equipment reduces the opportunity for biological material to contact researchers, while controlled access limits unnecessary exposure to people outside the work. These measures complement, rather than replace, aseptic technique and decontamination. Together, they help protect personnel, maintain a controlled culture environment, and reduce the chance that biological hazards or contaminants move beyond the designated work area.
Validation provides evidence that the selected decontamination practices adequately address cultures, work surfaces, and biological waste under the laboratory’s conditions. Consistent implementation reduces hazards and supports dependable culture handling. In developmental biology, effective decontamination also helps preserve experimental continuity by limiting cross-contamination that could alter cell behavior, tissue organization, or comparisons between culture conditions.
A practical workflow begins with risk assessment, followed by selection of appropriate protective equipment and access controls. Cell handling then relies on aseptic technique, while cultures, surfaces, and waste undergo validated decontamination. Treating these stages as a connected process helps laboratories address exposure and contamination throughout the experiment instead of relying on a single protective measure.
These safeguards are particularly important when cultures are used to study differentiation, stem cell behavior, tissue organization, or organoid development. Such systems depend on maintaining culture integrity over the course of an experiment. Biosafety practices therefore support not only researcher and environmental protection, but also the reliability of developmental observations obtained from in vitro models.
Consistent procedures reduce variation caused by differing approaches to contamination control, exposure prevention, and waste handling. This supports more reliable culture integrity and improves the comparability of findings between laboratories. Standardized practices also help research programs demonstrate alignment with institutional and regulatory requirements, strengthening the reproducibility and operational consistency of developmental biology studies.