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MicroStation System, MicroLog Version 4.2 - DTU Systems Biology ...

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10. Frequently Asked Questions<br />

In this section:<br />

�Answers to<br />

Common<br />

Questions<br />

Q<br />

A<br />

Q<br />

A<br />

Q<br />

A<br />

How I should I store my MicroPlates?<br />

Frequently Asked Questions<br />

Unpack MicroPlates as soon as you receive them and keep them<br />

refrigerated until use. Biolog MicroPlates should be kept refrigerated (not<br />

frozen). MicroPlates are fairly stable at room temperature; we suggest<br />

refrigeration because they must be kept cold for maximum shelf life. At<br />

moderately warm temperatures, they slowly begin to deteriorate. Visually<br />

examine MicroPlates before using them. You may see faint yellow-brown<br />

or pink shades in wells when they are dry (this is OK). However, if wells<br />

show significant color immediately after inoculating the MicroPlate with<br />

the cell suspension, they have most likely been heat damaged.<br />

Do I have to handle frozen or lyophilized cultures in a special way?<br />

Yes. Subculture frozen or lyophilized cultures two to three times before<br />

testing.<br />

Our lab would really like to use our own media. We know that our strains<br />

will grow on it. Is that all right?<br />

No. However tempting it may be to use nonrecommended media, using<br />

anything other than Biolog-recommended media is a mistake. The carbon<br />

source tests in our MicroPlates are configured for precise metabolic<br />

reactions. The metabolic state of an organism has a profound influence on<br />

the resulting MicroPlate pattern that is the basis for identification. Many<br />

species will give fewer positive reactions when grown on nonrecommended<br />

media. Use Biolog-recommended media only!<br />

<strong>MicroStation</strong> <strong>System</strong>/<strong>MicroLog</strong> User Guide Apr 07 Section 10 � Page 1

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