19-119kDa预先染色分子量MARK

19-119kDa预先染色分子量MARK/Prestained Protein Molecular weight Mark 19000～119000,液体,6条带 2×0.25毫升 sigma  保存：-20℃
中文名称： 19-119kDa预先染色分子量MARK     
英文名称： Prestained Protein Molecular weight Mark     
19-119kDa预先染色分子量MARK 产品规格： 19000～119000,液体,6条带     
包装： 2×0.25毫升     
分子量范围：19000-119000    
级别：BR    
规格：2×0.25ml     
产品描述：A mixture of purified protein covalently coupled to a blue chromophore.The protein concentrations are optimized to yield 6 blue bands afer SDS-PAGE electrophoresis,the marker is supplied pre-diluted with gel loading buffer for direct loading onto an SDS-PAGE gel. Sufficient for 100 mini gel applications(5u/well) or 50 large gel applications(10ul/well)     
在电泳凝胶上呈现6条带：19kDa，24 kDa，31kDa ，46kDa ，79kDa ，119 kDa    
Storage Buffer：62.5mM tris-HC1(pH7.5 at 25℃),1mM EDTA,2% SDS,10Mm DTT,1.5mM NaN3 and 33% glycerol.     
性状：液体    
用途：生化研究。用来测定蛋白质的分子量    
保存：-20°C    
含量为99.98%～100.02%。
保质期：三年以内
19-119kDa预先染色分子量MARK 运输形式：快递、邮政、汽运、空运等运输
健康危害：吞咽有害。造成皮肤刺激。造成严重眼刺激。可能引起呼吸道刺激。
侵入途径：经口、经皮、吸入
急救措施：
1）皮肤接触：立即脱去污染的衣着，用大量流动清水冲洗 20～30 分钟。如有不适感，就医。
2）眼睛接触：立即提起眼睑，用大量流动清水或生理盐水彻底冲洗10～15分钟。如有不适感，就医。
3）吸入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。呼吸、心跳停止，立即进行心肺复苏术。
就医。
4）食入：饮水，禁止催吐。如有不适感，就医。
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为了达到准确的实验结果，取用试剂时应遵守以下规则，以保证试剂不受污染和不变质：
(1)试剂不能与手接触。
(2)要用洁净的药勺，量筒或滴管取用试剂，绝对不准用同一种工具同时连续取用多种试剂。取完一种试剂后，应将工具洗净（药勺要擦干）后，方可取用另一种试剂。
(3)试剂取用后一定要将瓶塞盖紧，不可放错瓶盖和滴管，绝不允许张冠李戴，用完后将瓶放回原处。
(4)已取出的试剂不能再放回原试剂瓶内。
另外取用19-119kDa预先染色分子量MARK 时应本着节约精神，尽可能少用，这样既便于操作和仔细观察现象，又能得到较好的实验结果。