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Health, safety and environmental protection in a biological research laboratory.

This manuscript summarizes the mandatory regulations for Health, safety and environmental protection (HSE) at the Novartis Forschungsinstitut-Vienna to ensure the safe and contained biological laboratory work especially with class II agents in the specialized biosafety level 2 (BL2) facilities available at this institute. These regulations apply to work practices conducted within these facilities; to special safe-containment features of these BL2 facilities; to containment and decontamination of biohazardous or potentially biohazardous materials of risk class II; and to the procedures in place to guarantee that these regulations are strictly carried out, and that only individuals with the appropriate training and approval have access to these facilities. The regulations governing BL2 facilities summarized here have been taken directly from CDC and NIH public documents; any special adaptations or additions to these regulations have been stated as such, in order to make these guidelines as transparent and nonredundant as possible.

Austria↗

Biosafety concerns for shared flow cytometry core facilities.

Many researchers who need flow cytometry for their projects have neither sufficient funds nor the work volume to justify the purchase of an analytic cytometer or cell sorter. In shared flow cytometry facilities, costs for instrument purchases, cytometer maintenance, and personnel are pooled to provide economic services for a multitude of users when they are required. Owing to the diverse nature of the samples that are submitted to core facilities, the biohazard potential of the samples can vary dramatically. For the safety of facility personnel and users, it is critical that information about hazards contained in the samples be transmitted to instrument operators before flow cytometry experiments are started. During 1999 the former Biosafety Committee of the International Society for Analytical Cytology formulated a framework biosafety questionnaire for shared facilities designed to request information about the hazard potential of experimental samples from investigators who wish to use the facility. In this report we review safety issues that are pertinent to flow cytometry core facilities by discussing the individual components of this biosafety questionnaire.

Animals↗

Identifying biohazards in university research.

University and college biosafety programs are usually modeled after those of the National Institutes of Health, concentrating entirely on microbial agents. The University of Georgia has expanded its program to include six specific types of biohazards: 1) recombinant DNA; 2) human pathogens; 3) oncogenic viruses; 4) cell cultures; 5) venomous vertebrates and invertebrates; and 6) plant and animal pathogens and the movement into the state of non-indigenous plants and animals. Biohazard questionnaires and checklists are used to assure total involvement and efficient implementation.

Containment of Biohazards↗

Protecting researchers from instrument biohazards.

The prevention and control of biohazards arising from the use of laboratory instruments have become increasingly important in clinical and research applications. Centrifuges can be susceptible to contamination because of intense wear on primary containers (specimen tubes and bottles), worn O-ring container seals, or rotors and buckets lacking tight seals. A recent study by the Center for Applied Microbiology and Research, Porton Down, UK, has determined the biological safety of certain rotors in various speed ranges. This paper presents and discusses these findings.

Accident Prevention↗

Hospital biohazard control: low-cost device for safe collection and disposal of hypodermic needles.

This paper describes experience with a low-cost initiative for safe collection and disposal of hypodermic needles in health facilities in developing countries. Produced locally, a purpose-made container for collecting 500-1000 used hypodermic needles should cost no more than 20-50 US cents. Trial in our immunization clinic and injection room for the last year has shown its potential for injection safety generally and particularly during immunization campaigns.

Containment of Biohazards↗

Practical diagnostic testing for human immunodeficiency virus.

Since the discovery of human immunodeficiency virus (HIV) as the causative agent of acquired immunodeficiency syndrome in 1983, there has been a proliferation of diagnostic tests. These assays can be used to detect the presence of HIV antibody, HIV antigen, HIV ribonucleic and deoxyribonucleic acids, and HIV reverse transcriptase. Enzyme-linked immunosorbent assays, Western blot, radioimmunoprecipitation assays, indirect immunofluorescence assays, reverse transcriptase assays, and several molecular hybridization techniques are currently available. Enzyme-linked immunosorbent, Western blot, and indirect immunofluorescence assays for HIV antibody are very sensitive, specific, and adaptable to most laboratories. An enzyme-linked immunosorbent assay for HIV antigen is also readily adaptable to most laboratories and will be commercially available soon. While the other assays are more tedious, they are valuable confirmatory tests and are suitable for reference laboratories. The biohazards of performing HIV testing can be minimized with proper biosafety measures.

Acquired Immunodeficiency Syndrome↗

A study of biohazard protection for farming modules of lunar base CELSS.

For the Closed Ecological Life Support System (CELSS) of a manned lunar base which is planned to be built on the moon early in the 21st century, several proposed programs exist to grow vegetables inside a farming module. At the 40th IAF (Malaga, 1989) the author et al presented a proposal for supplying food and nutrients to a crew of eight members, a basic concept which is based on growing four kinds of vegetables. This paper describes measures for biohazard protection in farming modules. In this study, biohazard protection means prevention of the dispersion of plant diseases to other plant species or other portions of farming beds.

Agriculture↗

Infection of mice with aerosolized Mycobacterium tuberculosis: use of a nose-only apparatus for delivery of low doses of inocula and design of an ultrasafe facility.

Aerosolized delivery of virulent or hypervirulent Mycobacterium tuberculosis requires careful consideration of methodology and safety. To maximize safety, we installed a nose-only aerosol apparatus that can reproducibly deliver a low dose (<100 CFU per mouse) of M. tuberculosis in a carefully designed biohazard facility.

Aerosols↗