In this process a piece of tissue is cut from a healthy plant and grown in a sterile environment into several plantlets that root in pasteurized soil before being transferred to the field.

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Once that is done, the organ (in this case a kidney) and the bone marrow are transplanted and the patient is confined for a fortnight in a sterile environment to protect him from infection while his new, mixed immune system boots up.

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"By bringing in these outside agencies and treating it like a crime scene, and there's no reason to believe that it is, we're able to maintain that sterile environment in efforts not only to determine the cause but also to hopefully learn from it so, hopefully, it never happens again, " Lozano said.

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In comparison, trade shows are a much more sterile and corporate environment.

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Does the environment look sterile and devoid of personality?

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This has been met by mixed reviews from the residents as for many it is an improvement in their living standards while for others the environment is very sterile and the houses, at 400 sqaure feet each, are too small.

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The environment here is so cold and pristine, it's like a giant sterile laboratory.

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