The risk that probes could transport microbes from Earth to Mars, and vice versa upon its return, has been seen as a major concern for many years and there are international treaties in place that specifically limit the amount
of microbial contamination on any spacecraft bound for other worlds.
Now scientists from Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a highly accurate, DNA - based method to detect and distinguish sources
of microbial contamination in water.
Although no region of Mars is banned for exploration, international treaties set the allowable levels
of microbial contamination on robotic spacecraft destined for other planetary environments.
The risk
of microbial contamination could prevent humans and even robots from visiting the most promising parts of the Red Planet
Moreover, it results in better food safety as it minimises the risk
of microbial contamination caused by handling the product.
Symptoms
of microbial contamination from fecal matter can cause vomiting, diarrhea, rashes, and other problems.
Pillows are single use and thus reduce the chances
of microbial contamination of the Veggie hardware and produce.
FDA proposes to set standards associated with identified routes
of microbial contamination of produce, including agricultural water, biological soil amendments of animal origin, health and hygiene, animals in the growing area, equipment, tools, buildings and sprouts.
Not exact matches
Conclusion University
of Bologna's new study proved that using corrugated instead
of plastic packaging for fruit can significantly reduce potential
contamination via
microbial transfer.
The end
of line inspection
of filled food packaging provides effective protection against
microbial load and
contamination.
Despite
microbial contamination of birth pool water during delivery, antibiotic prophylaxis, as indicated by clinical and laboratory suspicion
of infection, was administered to only 0.98 %
of babies after water birth versus 1.64 %
of those after land delivery...
One 2013 study found significant
microbial contamination in breast milks samples purchased online, concluding that mothers should avoid use
of donated or sold breastmilk and suggesting further use
of lactation services as the solution to increasing breastfeeding rates.
The scientists detected some evidence
of fossil insect DNA in amber samples, but they couldn't rule out
contamination by
microbial or human DNA.
The spacecraft's demise, necessitated by dwindling fuel and a need to protect two
of Saturn's 62 moons from potential
microbial contamination from Earth, has brought forth a global outpouring
of sentiment.
Other studies, with positive results, are also being performed such as detecting the
microbial contamination of water or determining the maturity level
of fruit, which could have key applications within the agro-food industry.
An exhaust vent leading from one
of the facility's «clean rooms» to the roof lacked a filter or screen, for example, and flaws in the air handling system could expose sterile drugs to
microbial contamination during processing.
But Brian Lanoil, a
microbial ecologist at the University
of California, Riverside, cautions that
contamination could still be a problem.
For
contamination of hard surfaces there would be reduced opportunity for breaking down the agent by
microbial activity which is one way the agents might be degraded.
Pilot study to determine if
microbial contamination levels in hospital washrooms are associated with hand drying method — Mark H. Wilcox — Journal
of Hospital Infection
* Every lot
of NOW ® L - Tryptophan is tested to be free
of peak E and
microbial contamination.