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Biosafety Practices and Procedures - page 18 / 20

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18 / 20

Careful Pipetting Techniques

Never blow out last drop in pipette

Use pipetting aids with filters

Never mix by suction and expulsion (mix by sonication)

Discharge liquid down side of container, using tip-to-wall contact

Deliver as close as possible to contents

Work over plastic-backed absorbent matting (ensure it doesn’t slide forward or backward blocking air grill)

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