28.01.2015 Views

Principles and Practices of Biosafety - San Diego State University

Principles and Practices of Biosafety - San Diego State University

Principles and Practices of Biosafety - San Diego State University

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Careful Pipetting Techniques<br />

• Never blow out last drop in<br />

pipette<br />

• Use pipetting aids with filters<br />

• Never mix by suction <strong>and</strong><br />

expulsion (mix by sonication)<br />

• Discharge liquid down side<br />

<strong>of</strong> container, using tip-to<br />

to-wall<br />

contact<br />

• Deliver as close as possible to<br />

contents<br />

• Work over plastic-backed<br />

absorbent matting (ensure it<br />

doesn’t t slide forward or<br />

backward blocking air grill)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!