When there are a large number of stem cell samples that need to be preserved, whether it is the founder of the cell bank, the manager of the hospital blood bank, or the personnel of the preservation center, they all choose a specialized cell storage tank - a gas-phase liquid nitrogen freezer. This liquid nitrogen container Can popular branch!
Because it has the advantages of large capacity, small daily evaporation loss of liquid nitrogen, safe and reliable use, and easy operation. In addition to stem cells, it is also suitable for the long-term static storage of various tissues and organs such as plasma, semen, and embryos. Originally made for the storage of plasma and stem cells, it has been widely recognized and favored by blood stations, cord blood banks, sperm banks and other institutions since its launch.
What are the advantages of using a gas-phase liquid nitrogen freezer to preserve stem cells?
1. The tank body is made of high-quality stainless steel, with polished surface, good load-bearing, low temperature resistance and corrosion resistance;
2. The tank mouth is designed with an offset structure, large capacity, high vacuum, and low liquid nitrogen loss;
3. Two storage methods, gas phase and liquid phase, can maintain a low temperature environment of -190�° on the top of the jar;
4. Rotating trays are used internally for partitioned storage, making it easier to take out cells;
5. It has an intelligent monitoring system and can modify parameters in the settings according to needs;
6. The system can display high and low liquid levels in real time. Ultra-high and ultra-low will provide liquid level alarms, over-temperature alarms, and automatic control of fluid replenishment;
7. It has a hot gas bypass leakage function in the pipeline. The hot gas in the pipeline will not enter the tank during liquid replenishment, ensuring a low-temperature storage environment to the greatest extent;
8. It has a cover-opening and defogging function, which makes it easy to see the stored items and make them easy to extract;
This is chemical setting Furan based chemical resistant mortar which is combination of Liquid and Powder, when mixed in proper proportion from workable mortar which after setting and curing give of liquid and give black highly cross linked composites. Furan When set and cured is resistant to highly corrosive acids, alkalis and to powerful organic solvents such as ketones, Aromatic and Chlorinated solvents. It has extreme resistant to Acidic & alkalis, Salts, Greases and Detergents. It resists to Organic & Inorganic acids at their boiling temperature. It is suitable against mild chlorine Gas (dry) phosphorous trichloride, pyridine at room temperature. Furan is especially useful where resistance to mixed media such as aqueous acids /alkalis and organic solvents is needed in chemical plant process and waste streams. Carbon filled Furan is used against corrosive effect of hydrofluoric acid & its salts. PREPARATION OF FURANE MORTAR : Mortar consist of Furan solution and Furan powder. The average mixing ratio necessary to obtain mortar with good working consistency is 1 part by weight Solution & 3 part by weight powder. The ratio will vary slightly depending on temperature and working conditions.Stir the liquid thoroughly before using. Place liquid in a suitable shallow mixing pan. Add powder by weight in the solution mix thoroughly and rapidly until all lumps are dispersed and the mortar is completely homogenous. Spread out the mortar in a thin layer, not more than ¾ thick, to dissipate the heat of reaction and lengthen the working life. Batch size can be varied depending upon the temperature and the speed with which the masons are working. Very large batches will become stiff quite rapidly. Make sure that all the Furan Motrar is used from the pan before another batch is mixed.When working at temperature above 40 C, very small batches not more than 2 Kgs, should be prepared. When working at temperature below 15C the liquid should be kept warm.
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