Airborne Contamination
Airborne Contamination - Related Videos
01:16
Contaminants and Errors
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2024
Effective sample preparation is crucial for accurate and reliable laboratory analysis. During this process, two significant sources of error can arise: concentration bias from improper sample splitting and contamination caused by methods used to reduce particle size, such as grinding or homogenization. Identifying and minimizing these potential errors is crucial to ensuring the validity of the analysis. Another key consideration is determining the appropriate number of samples required to...
13:16
A Whole Cell Bioreporter Approach to Assess Transport and Bioavailability of Organic Contaminants in Water Unsaturated Systems
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Cited by 5 •
2014
A whole cell bioreporter assay with Burkholderia sartisoli RP037-mChe was developed to detect fractions of an organic contaminant (i.e., fluorene) available for bacterial degradation after active transport by mycelia bridging air-filled pores in a water unsaturated model system.
01:29
Sources of Food Contamination
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2026
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
01:25
Transmission-based Precautions II: Airborne and Protective Environment
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2023
Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions. Airborne precautions: Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
10:20
Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
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Cited by 14 •
2015
Integration of microalgal cultivation with industrial flue gas will ultimately introduce heavy metals and other inorganic compounds into the growth media. This study presents a procedure used to determine the end fate and impact of heavy metals and inorganic contaminants on the growth of Nannochloropsis salina grown in photobioreactors.
FAQs
Airborne contamination does not move uniformly: particle size affects whether material remains suspended or settles, while air movement can carry it through a space. Once transported, particles or droplets may deposit on surfaces, cells, equipment, or materials. These relationships help determine where controls and monitoring are most important.
Humidity and source strength change contamination behavior and burden. The overview identifies humidity as a factor affecting how contaminants behave, while a stronger source can introduce more unwanted material into the air. Considering both helps researchers interpret spread and select appropriate control strategies for laboratories and manufacturing environments.
Ventilation, filtration, and aseptic technique address airborne contamination in different but complementary ways. Ventilation influences air movement, filtration helps reduce unwanted material carried in air, and aseptic technique limits opportunities for contaminants to reach exposed work. Combining these measures supports sterile cell cultures and more consistent bioengineering processes.
Environmental monitoring provides evidence about whether contamination controls are supporting the intended conditions. In bioengineering, this information is relevant to sterile cell cultures, bioprocesses, biomaterials, and medical products. Used alongside cleanroom design, ventilation, filtration, and aseptic technique, monitoring helps identify conditions that could undermine reproducibility or safety.
Cleanroom design and ventilation are used together to manage the movement and presence of airborne contaminants. Their purpose is to reduce opportunities for particles or microorganisms to reach sensitive work, equipment, or materials. In research and manufacturing, this supports controlled conditions for bioprocesses and helps maintain reliable outcomes.
Controlling airborne contamination is especially important when bioengineering work depends on sterile cell cultures or sensitive bioprocesses. Unwanted microorganisms, particles, or chemical residues can compromise materials and equipment, making results less reliable. The same controls also support production of reproducible biomaterials and medical products, linking laboratory practice with manufacturing quality and safety.