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  • 4 layer dust proof face mask high efficiency moldova

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If the plates are stored at 4 °C, remove them several hours or even the day before. Spread them out in small, staggered stacks of no more than 2-3 plates and allow them to dry. Excessive moisture in the hard agar layer will cause dilution of the soft agar, allowing phage to diffuse more easily through the soft agar during plaque formation.An Ultrahigh-throughput Microfluidic Platform for Single , 4 layer dust proof face mask high efficiency moldovaAfter the dropmaking, place the collection tube at 4 °C for 30 min to ensure the complete gelation of the agarose. 3. Breaking and Washing the Agarose Microgels. Remove the lower layer of oil from the collection tube using a 3 mL syringe fitted with a 20 G needle, taking care not to disturb the top layer of the agarose droplets.

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