<li id="omoqo"></li>
  • <noscript id="omoqo"><kbd id="omoqo"></kbd></noscript>
  • <td id="omoqo"></td>
  • <option id="omoqo"><noscript id="omoqo"></noscript></option>
  • <noscript id="omoqo"><source id="omoqo"></source></noscript>
  • 發布時間:2019-04-22 23:00 原文鏈接: 常用試劑

    一 細菌培養試劑 - 返回 - 
    LB培養基 

       NaCl            10 g 
       Yeast extract        5 g
       Peptone           10 g
       Add dH2O to          1000 ml
       Aliquot to 500ml flasks (250 ml per flask). Seal with sealfilm
       and autoclave them. Store at room temperature. 

    LA固體培養基 

       NaCl            10 g
       Yeast extract        5 g 
       Peptone           10 g 
       Agar powder            13 ~ 15 g 
       Add dH2O to          1000 ml 
       Aliquot to 500 ml flasks (250 ml per flask). Seal with sealfilm 
       and autoclave them. Store at room temperature. 

    X-gal (20mg/ml) : 

       20mg X-gal 溶于 1ml 二甲基甲酰胺中, -20 ℃避光保存; 

    IPTG (200mg/ml) : 

       1g IPTG 溶于 4ml 去離子雙蒸水中,定容至 5ml ,過濾滅菌后 -20 ℃保存; 

    Amp ( 100mg/ml ):

       1g Amp 溶于 4ml 去離子滅菌雙蒸水中,定容至 5ml , -20 ℃保存



    二 質粒抽提試劑 - 返回 - 
    Solution Ι 
    Cell resuspension solution (50 mM Tris-HCl, pH 7.5, 10 mM EDTA, RNase A 100 μg/ml)
        1 M Tris-HCl (pH 7.6)             2.5 ml
        0.25 M EDTA                   2.0 ml
        ddH2O                     45 ml
        sterile by autoclave
        add 1% RNase                  0.5ml
        store at room temperature 

    Solution Ⅱ 
    Cell lysis solution (0.2 N NaOH, 1% SDS)
        Mix 0.4 N NaOH and 2% SDS in same volume. 

    Solution Ⅲ 
    Neutralization solution (1.32 M potassium acetate, pH 5.2)
        5 M potassium acetate             13.2 ml
        ddH2O                       27 ml
        adjust pH to 5.2
        add ddH2O to                   50 ml
        sterile by autoclave
        store at room temperature 



    三 DNA 操作試劑 - 返回 - 
    1.5 × CTAB
       CTAB               15 g
       1 M Tris · Cl (pH 8.0)     75 ml
       0.5 M EDTA             30 ml
       NaCl                 61.4 g
       add ddH2O to             1000 ml 

    0.5 M EDTA ( pH 8.0)
       EDTA-Na·2H2O           186.1 g
       NaOH                20 g
       Adjust to pH 8.0
       ddH2O to              1000 ml
       sterilize by autoclaving 

    1 M Tris·HCl
                   pH 7.4     pH 7.6     pH 8.0
       Tris base        121.1 g     121.1 g    121.1 g
       Concentracted HCl    70 ml      64 ml      42 ml
       ddH2O to        1000 ml     1000 ml    1000 ml
       Sterilize by autoclaving 

    TE ( pH 8.0)
                                Stock          vol.
        10 mM Tris·HCl ( pH 8.0)       1 M            10 ml
        1 mM EDTA ( pH 8.0)           0.5 M          2 ml
        ddH2O to                              1000 ml
        sterilize by autoclaving 

    10 M NH 4 Ac
       NH4Ac     385 g      770 g
       H2O to      500 ml    1000 ml 

    10 × PCR buffer
                          stock             vol.
        500 mM KCl         2.5 M(sterilized)       200 ml
        100 mM Tris-HCl      1 M pH 9.0 (sterilized)     100 ml
        1% Triton X-100      100%               10 ml
        ddH2O                             690 ml
        sterilize by autoclaving 

    5 × TBE
        Tris            54 g
        Boric acid          27.5 g
        0.5 M EDTA ( pH 7.9)   20 ml
        ddH2O to           1000 ml 

    10 × TAE
        Tris              121.1 g       484.4 g
        EDTA(0.5 M)         20 ml        80 ml
        NaAc·3H2O          17 g        68 g
        glacial acetic acid    30 ml         200 ml
        adjust to pH 8.1
        ddH2O to           1000 ml       4000 ml 

    NaOH
                     10 N         4 N
        NaOH           400 g         160 g
        ddH2O to        1000 ml        1000 ml

    2 N HCl
        concentrated HCl    365 ml     182.5 ml
        ddH2O to         2000 ml     1000 ml 

    5 mg/ml ssDNA
       Salmon sperm DNA     1 g
       ddH2O to           200 ml 

    0.5 M P.B (phosphate Buffer) pH 6.8
      Na2HPO4     16.44 g     131.52 g
      NaH2PO4     16.11 g    128.88 g
      ddH2O to    500 ml     4000 ml 

    20 × SSC
       NaCl            175.3 g         701.2 g
       Na3Citrate        88.2 g          352.8 g
       ddH2O to         1000 ml          4000 ml
       Sterilize by autoclaving 

    10% SDS
       SDS       100 g
       ddH2O to    1000 ml
       Heat to 68 ℃ to assist dissolution 

    50 × Denhart's Solution
       Ficoll 400       10 g
       PVP-360         10 g
       BSA (Fraction V)    10 g
       ddH2O to 1000 ml 

    Southern Blot Hybridization Buffer (Saghai , s Lab)
       Final conc.       Stock       Vol.
       5 × SSC          20 ×       250 ml
       50 mM PB (pH 6.8)      0.5 M         100 ml
       5 × Denhardt's       50 ×         100 ml
       2.5 mM EDTA (pH 8.0)       0.5 M               5 ml
       100 μg/ml ssDNA           5 mg/ml             20 ml
       0.4%SDS                    20%                 20 ml
       Dextran sulfate                                50 g
       ddH2O to                                       1000 ml
       (Place a beaker on a stirrer, add these solution in the order of appearance one by one. SDS should be the very last item.) 

    Washing off Probe for Re-hybridization of Blots (I)
       Washing time: 10 min
       Final conc.       Stock       Vol.
       0.1 × SSC        20 × SSC      20 ml
       0.1% SDS         10% SDS       40 ml
       ddH2O to                     4000 ml 

    Washing off Probe for Re-hybridization of Blots (II)
       Washing time: 3 min
       Final conc.       Stock       Vol.
       0.1 N NaOH        10 N NaOH     40 ml
       0.2% SDS         10% SDS       80 ml
       ddH2O to                   4000 ml 

    Washing off Probe for Re-hybridization of Blots( Ⅲ )
       Washing time: 20 min
       Final conc.        Stock        Vol.
       0.2 M Tris. ( pH 7.5)   1 M Tris. (pH 7.5)   800 ml
       0.1 × SSC         20 × SSC       20 ml
       0.2% SDS          10% SDS        80 ml
       ddH2O to                     4000 ml
       Blue Juice 

    Final conc.        Stock        Vol.       Vol.
       70% Glycerol       100%         35 ml       70 ml
       0.5 × TBE         5 ×        5 ml        10 ml
       0.2% SDS           10%          1 ml        2 ml
       20 mM EDTA         0.5 M        2 ml        4 ml
       5 mg/ml Bromphenol Blue             0.25 g       0.5 g
       5 mg/ml Xylene cyanol               0.25 g       0.5 g
       ddH2O to                     50 ml        100 ml 

    EB (10 mg/ml)
       ehidium bromide        1 g
       ddH2O to            100 ml
       Stir on a magnetic stirrer for several hours. Transfer the solution to
       a dark bottle and store at 4 ℃ .
       The concentration of work solution: 0.5 μg/μl (50 μl stock solution
       In 1000 ml dH2O).
       Decontamination of EB
       Reduce the concentration of EB < 0.5 mg/ml, add 1 volume of
       0.5 M KMnO4 ,mix carefully then add 1 volume of 2.5 N HCl,
       mix carefully and allow the solution to stand at room temperature
       for several hours. Add 1 volume of 2.5 N NaOH, mix and discard 



    四 RNA 操作試劑 - 返回 - 
    ·Stock Solution: 
         1M NaAc(PH7.0) : 82g NaAc 先加一定量 ddH 2 O ,用 NaOH 調 PH 值至 7.0 ,再用 ddH2O 定容至 1L, 滅菌
         0.5M EDTA(PH8.0):186.1g EDTA 先加一定量 ddH 2 O,用 NaOH 調 PH 值至 8.0, 再用 ddH2O 定容至 1L,滅菌
         10×MOPS buffer :( 用 DEPC 水配,再滅菌 ) 
         MOPS              41.85g 
         1M NaAc(PH7.0)         50ml 
         0.5M EDTA(PH8.0)        20ml 
         先加一定量 DEPC 水 ,再用 4N NaOH 調 PH 至 7.0( 約加 7ml),再用 DEPC 水定容至 1L,滅菌 

        1M NaH 2 PO 4 buffer ( PH7.2) :
         NaH2PO4                71g 
         H3PO4(85%)           4ml 
         用滅菌的 DEPC 水定容至 1L 

        20×SSC:
         NaCl                 175.3g 
         Na3Citrate             88.2g 
         用 ddH2O 定容至 1L, 滅菌 

        10%SDS:
         SDS                  100.0g 
         用滅菌的 ddH2O 定容至 1L( 將水加熱到 68℃ 有助于溶解 ) 

    ·Work Solution 

       Sample buffer : 
        Deionized formamide           1000ul 
        10×MOPS buffer              200ul 
        37% formaldehyde              320ul 

       Blue juice (loading buffer):
        Glycerol                   70ml 
        5×TBE                    10ml 
        10%SDS                     2ml 
        0.5M EDTA(PH8.0)               4ml 
        Bromphenol Blue              0.5g 
        Xylene Cyanol               0.5g 
        加滅菌的 ddH2O 定容至 100ml 

       Hybridization buffer:
        1M NaH2PO4buffer             500ml 
        0.5M EDTA(PH8.0)              2ml 
        10%SDS                     70g 
        BSA                       10g 
        用滅菌的 DEPC 水定容至 1L,貯存于室溫下 

       洗膜液 Ⅰ:( for 1 littre ) 
       20×SSC                   100ml 
       10%SDS                     10ml 

       洗膜液 Ⅱ : ( for 1 littre ) 
       20×SSC                   25ml 
       10%SDS                    10ml 

       洗膜液 Ⅲ:( for 1 littre ) 
       20×SSC                    5ml 
       10%SDS                    10ml 

       4×SSC :
       20×SSC                  200ml 
       用滅菌的 DEPC 水定容至 1L 

      2×SSC:
      20×SSC                  100ml 
      用滅菌的 ddH2O 定容至 1L
     

    <li id="omoqo"></li>
  • <noscript id="omoqo"><kbd id="omoqo"></kbd></noscript>
  • <td id="omoqo"></td>
  • <option id="omoqo"><noscript id="omoqo"></noscript></option>
  • <noscript id="omoqo"><source id="omoqo"></source></noscript>
  • 1v3多肉多车高校生活的玩视频