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To create "hard power" through innovation, Mengniu Yasley launched the M8 children's growth formula
Time of Update: 2021-01-22
(Figure: Zhang Peace, Director of the Key Laboratory of the Ministry of Dairy Biotechnology and Engineering, Inner Mongolia Agricultural University and Special Professor of Changjiang Scholars) At present, Mengniu Yashili has successfully applied this achievement to products, and has innovatively developed Mengniu M8 Children's Growth Formula.
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Keeping "a valuable legacy on the tip of the tongue"
Time of Update: 2021-01-22
Original title: Inner Mongolia Dairy Biotechnology and Engineering Key Laboratory - Preservation of "Precious Heritage on the Tip of the Tongue Researchers went to the Tibetan herdsmen's families in
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Anxiety may also be a problem in the gut
Time of Update: 2021-01-22
So it's no wonder that there's a strong link between the gut and the brain, and that intestinal dysfunction can lead to cognitive, emotional, and behavioral disorders, not just anxiety and depression.
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Several common microbial basic experiments
Time of Update: 2021-01-21
2, reagent beef paste, protein , NaCl, agar 4, experimental content 1, weighing →solvation→ tune pH→filtration→ sub-pack→ Garces → →sterilization→sterile inspection2, dry heat sterilization: loaded into the sterilization items →healthing→ thermostat shaker→ cooling→ out of the box 3, high-pressure steam sterilization: water →charged items→charged→ heated→ drained cold air →pressurized→ constant pressure→ buck back to zero→→ →Sterile inspection 4, filtration sterilization: assembly sterilization→ connecting→pressurization →sterile filtration→ cleaning sterilization 5, key steps and precautions1, to be strictly formulated according to the formula.
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Laboratory disinfection and sterilization technology
Time of Update: 2021-01-21
Plastic utensils that cannot be sterilized by steam at high pressure can be soaked with 75% alcohol and repeatedly sterilized with ultraviolet light while drying on a sterile operating table before use.
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Production of VSVG fake retrovirus
Time of Update: 2021-01-21
(5) 3-4 h, replace the cell culture with a fresh DMEM media, add sodium butyrate at a final concentration of 10 m, and incubate the cells at 37 degrees C.
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Basic techniques for sterile operation in microbial and cell culture
Time of Update: 2021-01-21
aseptic operation technology not only plays an important role in the research and application of microbiology , but is also widely used in many biotechnologies, such as genetically modified technolo
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Ultra-low temperature preservation method for viruses
Time of Update: 2021-01-21
Materials Virus ultra-low temperature preservation materials are: thermal shrink plastic tube (Nunc Cryoflex), liquid nitrogen tank, protective gloves and masks, permanent marker pen, gas spray lamp, liquid nitrogen insulation bottle.
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Bacterial 16S, 23S molecular identification
Time of Update: 2021-01-21
PCR -RFLP through PCR amplification of a piece of DNA on mycobacteria chromosomes, the amplification of the product is digested by restrictive endoenzymes, the digested samples are agargic glycogel electrophoresis analysis, different mycobacterial enzymes slices segments of the number or size of different, electrophoretic map spectrum is multi-state.
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The difference between mold and yeast on Bengali red culture
Time of Update: 2021-01-21
Bangladesh Red Culture-based is a medium used in food to detect the total number of molds and yeasts bacteria, because it contains chloramphenicil, which inhibits the reproduction of the vast maj
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Terranean staining of bacteria
Time of Update: 2021-01-21
coli Bacillus Subtilis Staphylococcus aureus 2, dyed ammonium glyphosate crystalline amethyst Grain's iodine 95% alcohol sedated red liquid 3, dish washed slide 6 pieces, microscope alcohol lamp, inoculation ring, balsamic asphalt, xylene, mirror paper, absorbent paper, tweezers, glass cylinder, bottle Distilled water 1, take culture 12-24h E.
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Microbial culture
Time of Update: 2021-01-21
, vaccination microorganisms to the artificial culture -based or living organisms suitable for its growth and reproduction process is called inoculation.
, the growth of cultured microorganisms, in addition to its own genetic characteristics, but also by a number of external factors, such as nutrient concentration, temperature, moisture, oxygen, pH and so on.
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Flat-panel bacterios counting
Time of Update: 2021-01-21
The operation of the two is basically the same, the difference is that the coating plate method is first the beef paste protein agar medium dissolved and then poured flat plate, to be solidified after the number, and baked in a greenhouse at 37 degrees C for about 30 minutes, so that it coisting, and then with a sterile straw to absorb 0.
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Several detection methods of microbial growth
Time of Update: 2021-01-21
The method is to take a certain amount of culture fluid to be tested (e.g. 10 ml) placed in a scaled centrifuge tube, set a certain centrifugal time (e.g. 5 minutes) and speed (e.g. 5000 rpm), centrifugation, poured out of the night, measured the volume of the upper clear night is v, then the concentration of mycelium (10-v)/10.
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The separation, culture and identification of Bifidobacteria
Time of Update: 2021-01-21
Experimental appliances high purity nitrogen anaerobic tube syringe culture tank ice cube water bath pot tweezers marker pen MRS medialized micro-identification tube alcohol cotton ball porcelain disc oscillator copper column deoxygenation system quantitative sampler string temperature water bath slide smoulator thermostat ultrasonic anaerobic crusher filter tube layer oxygen tank, etc.
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Multi-tube fermentation method to determine the E. coli in water
Time of Update: 2021-01-21
multi-tube fermentation method to determine the E. coli groups in water, the purpose requirements 1. Learn the multi-tube fermentation method to determine the number of E. coli groups in water. 2．
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PEG precipitation method purification virus
Time of Update: 2021-01-21
1, using ultrasound or freezing methods to break the cells to release the virus; 2, slowly stirring and adding NaCl final concentration is 0.5mol/L, helping the precipitation of the virus, and then the same amount added 10% PEG (generally used PEG6000 on it).
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Common bacterial culture preparation
Time of Update: 2021-01-21
(1) Meat water 200ml (2) protein 2g (3) sodium chloride 1g (4) agar 5g (5) sterile flat dish, sterilized test tube, triangular bottle, etc.
common agar media can also be prepared using commercially available nutritional agar powder (containing various ingredients of ordinary agar media and pH) for use in the product description.
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Bio-chemical identification of bacteria
Time of Update: 2021-01-21
(2) Inoculation culture with sterile operation to inoculated a small amount of moss to the corresponding test tubes above, not inoculated in the blank control, placed 37 degrees C thermostat box culture, respectively, in culture 24h, 48h and 72h observation results.
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MDCK cell separation method for influenza viruses
Time of Update: 2021-01-21
H5, H7 subtype of highly pathogenic avian influenza virus, H2N2 subtype influenza virus MDCK cell separation operation must be carried out in the BSL-3 level laboratory biosecurity cabinet .
