Contaminated Surfaces
Contaminated Surfaces - Related Videos
08:49
Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
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Cited by 4 •
2017
This article summarizes the design attributes and the effectiveness of treatment systems that treat urban stormwater and agriculture irrigation runoff to remove pesticides and other contaminants associated with aquatic toxicity.
08:13
A Filter-based Surface Enhanced Raman Spectroscopic Assay for Rapid Detection of Chemical Contaminants
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Cited by 8 •
2016
A procedure for fabrication and performing the filter-based surface enhanced Raman spectroscopic (SERS) assay for the detection of chemical contaminants (i.e., pesticide ferbam and antibiotic ampicillin) is presented.
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...
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...
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
Transmission can occur through a chain of contacts rather than a single touch. Microorganisms deposited by droplets, body fluids, or hands may remain available for transfer when another person contacts the same material. Touching the eyes, nose, mouth, wounds, or medical equipment can then complete the pathway, making interruption at several points important in clinical infection prevention.
The organism, surface material, environmental conditions, and elapsed time all influence risk. These variables affect whether biological contamination remains relevant for later contact, so the same cleaning or workflow decision may not have identical significance across settings. Clinical teams therefore need to consider the conditions surrounding contamination rather than treating every surface exposure as equivalent.
Time since contamination matters because transmission likelihood is not fixed after deposition. As the interval changes, the potential for a microorganism or biological hazard to be transferred may also change, in combination with the organism, material, and environment. Contamination assessment should therefore account for when the event occurred, not only where it occurred.
An effective response combines hand hygiene with appropriate cleaning and disinfection of relevant surfaces, alongside decontamination of medical equipment. The workflow should address how contamination could move from a material to hands and then to a patient, staff member, wound, or device. Applying these measures helps interrupt transmission opportunities during clinical care.
Medical equipment can become part of the contact pathway when contaminated hands or materials transfer biological hazards to its surface. Decontamination removes that equipment-related opportunity for onward transfer and complements hand hygiene, cleaning, and disinfection. Including equipment in infection-prevention workflows is especially important when devices contact patients, wounds, staff, or other clinical materials.
Managing contaminated surfaces supports efforts to reduce healthcare-associated infections while protecting patients and staff. The approach connects environmental control with hand hygiene, equipment decontamination, and safer clinical workflows. Rather than addressing surfaces in isolation, clinical teams can use these measures together to reduce opportunities for microorganisms or other biological hazards to move between people and care-related objects.