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70Liquid Nitrogen Storage Environments
Cryogenic Freezers: Liquid Nitrogen Storage Supply An ample supply of refrigerant must be maintained where liquid nitrogen (LN2) refrigeration is in work. At least three-day supply of liquid...
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59Shipping Cryogenic Specimens from Liquid Nitrogen Storage
Validation of Shipping Conditions Review of Packaging Test Report For the material being shipped, the shipper is accountable for choosing suitable packaging. To meet the regulation requirements, a...
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58Question and Answer: Cryogenic Freezers 2
Q. Please let me know how the gas by-pass can be disconnected. A. The bypass is nothing but a plug and play option. The bypass cycle will happen if the TEC-2000 spots a bypass sensor...
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58Increasing Sample Storage Temperature Above -132°C (GTTW)
PBMCs are typically stored in the cryogenic vapor phase of liquid nitrogen (-150°C). It is quite possible that cryogenically preserved samples would frequently be exposed to GTTW when retrieval of specimens...
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60Specimen Retrieval from Liquid Nitrogen Dewars or Freezers
Specimen Retrieval The below presumed method is recommended for the retrieval of cryogenically frozen specimens from cryogenic freezers for distribution, and is also applicable to other liquid nitrogen...
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57Changes to Cryogenic Freezers
Instead of 8 of the 2” casters, the 1400/1411 has been changed to use 4 of the 3” casters. This will enable the cryogenic freezer to be moved more easily. The overall height of the freezers has been...
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60Current Good Manufacturing Practices (cGMP) for Liquid Nitrogen Storage
cGMP are regulatory guiding principles that ought to be interpreted by the repository to be in accord with its circumstances. For larger, corporate repositories, this cGMP may be more relevant, but academic...
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53Question and Answer: Cryogenic Freezers
Q. Can you tell me the reason why the lid switch was added to the 511? A. Effective June 04, the lid switch was added to the 511. For UL compliance it was added. We will begin applying the...
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49Folding Step for the 1520 HE and more
All 1520HE series cryogenic freezers will now be equipped with a 2-tier folding step; similar to the one used on the 1830HE series, effective from February. The lift-over height of the 1520 HE series is...
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50HL-120, HL-190
If you remember the old MODS-119, you’ll remember the vent and mount kits that were used for that unit. Now, the MODS-120 & 190 are designed to ASME specifications and use the same plumbing...
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