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    Home > Biochemistry News > Biotechnology News > Methods for staining macrophages and lymphocytes with nonse specific esterase.

    Methods for staining macrophages and lymphocytes with nonse specific esterase.

    • Last Update: 2020-10-25
    • Source: Internet
    • Author: User
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    : This may be a very primary question, but check a few books without any information, the literature is an understatement, as if it were too primitive. However, I really do not know how to operate this method - esterase concentration, formulation and dyeing time and so on, look forward to the echo of your comrades. Thank you.
    : I've done it before, I've done lymphocytes. But macrophage methods are the same and are more likely to produce results.
    non-specific esterase
    a fixed liquid formaldehyde-acetone buffer (PH=6.6)
    Na2HPO4 20mg, 12, 50.39mg
    KH2 PO4 100mg
    dH2O30ml
    acetone 45ml
    40% formaldehyde 25ml
    fixed blood cells with
    ii incubator 4%
    1. Pay masqueen 4g
    2N hydrochloric acid 100ml added to 2n hydrochloric acid, water bath dissolved
    filtration
    , placed 4 degrees C, save spare
    2. 4% sodium nitrite
    sodium nitrite 400mg
    distilled water 10ml
    3. Six-a-side nitrogen pay masmoth solution
    before use to take 4% sodium nitrite solution 3 ml, while shaking into 3 ml pay masmoth, and then full shock, 1min spare
    4. 2% α acetate solution: take 2g alpha acetate dissolved in 100ml ethylene glycol methyl ether, placed in a refrigerator at 4 oC, avoiding light to save spare
    5. M/15PH7.6 Phosphoric acid buffer
    meth: KH2PO49.08g dissolved in 1000ml distilled water, b liquid Na2HPO49.47g dissolved in 1000ml distilled water 12H 2O, 23.882
    13ml, B 87ml, mixed
    KH2PO40.59g, Na2HPO412H2O 10.39g-500 ml
    incubation liquid pre-preparation: take m/15, PH-7.6 buffer 89ml, drop by drop added hexa-nitrogen to pay masmentation 6ml, fully mixed, then dripped 2% acetate 2.5ml, fully mixed Adjust pH to 5.8-6.4
    below paraffin
    slice
    , frozen slice can be fixed with 4% polyformaldehyde, first fixed and sliced after fixed can be
    dysite wax slice
    1.Will be
    tissue
    4 degrees C 10% neutral formaldehyde calcium solution fixed, overnight
    2.Remove at least 24hr of the Arabic gum liquid from 4 degrees Cholt
    3.Placed at 4 degrees C 50% acetone 1hr
    4.Transfer to 4 degrees C 100% acetone 24hr (change twice), the last time left at room temperature about 1-2hr
    5.Transparent 30min (two changes) in xylene
    6.56 degrees C soaked wax 30-45min
    7.Slices are placed at room temperature or in a 37C temperature box
    dry
    1-2hr.
    8.Xylene dewax, after 100% acetone, 50% acetone each 2-3min, and then into distilled water
    9.The post-incubation procedure is the same as the blood smear, but after 50% acetone and pure acetone each 30s-1min, xylene transparent, and then sealed
    holt's sucrose liquid
    sucrose 30g
    aeg gum 1g
    100ml
    with this enzyme spread less.
    1% of methyl green dyes are
    used for re-
    .
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