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尚善若水-lyy新蟲 (初入文壇)
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[交流]
腸激酶切除His 已有1人參與
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我想要用腸激酶切除His標(biāo)簽,哪家公司的腸激酶質(zhì)量好,效率高啊? 各位,求指點! |
專家顧問 (著名寫手)
科學(xué)怪人
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專家經(jīng)驗: +140 |
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Product Name 腸激酶 來源于豬腸, lyophilized powder, ≥100 units/mg protein Product Number E0885 Product Brand SIGMA CAS Number 9014-74-8 TEST SPECIFICATION Appearance (Color) White to Off-White Appearance (Form) Powder % Protein (Lowry) ≥20 units/mg protein ≥100 One unit will produce 1.0 nanomole of trypsin from trypsinogen per minute at pH 5.6 at 25 deg C. Impurity (by Enzymatic) ≤1.5 % Aminopeptidase Impurity (by Enzymatic) ≤1 % Trypsin Recommended Retest Period ------------------------- 4 years |

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