DOTA-NHS-ester  

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包装规格:10mg 50mg 100mg in glass bottle
溶解性:溶于DMSO(100 mg/mL 超声)
产品描述:基本信息 产品编号: D10701  产品名称: DOTA-NHS-ester CAS: 170908-81-3   储存条件 粉末 -20℃ 四年     分子式: C20H31N5O10 溶于液体 -80℃ 6个月 分子量 501.49 -20℃ 1个月 化学名:  1,4,7,10-Tetraazacyclododecane-1,4,7,10-Tetraacetic Acid 1-(2,5-Dioxo-1-Pyrrolidinyl) Ester Solubility (25°C):   体外:   DMSO 50 mg/mL (99.70mM; Need ultrasonic) Water   Ethanol   体内(现配现用):   <1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。   制备储备液   浓度   溶液体积 质量   1mg   5mg   10mg 1mM 1.9941mL 9.9703mL 19.9406mL 5mM 0.3988mL 1.9941mL 3.9881mL 10mM 0.1994mL 0.9970mL 1.9941mL   生物活性 产品描述 用于 affibody 分子的交联剂 (linker),可用于小型动物正电子发射断层扫描 (PET),单光子发射计算机断层扫描 (SPECT) 和 CT 扫描。 靶点 ADC Linkers 体外研究 DOTA-NHS-ester can be used to modify human serum albumin (HSA) to produce DOTA-HSA. And DOTA-HSA is furtherly modified by Sulfo-SMCC (HY-D0975) to obtain DOTA-HSA-SMCC. DOTA-HSA-SMCC is conjugated to ZHER2:342 and the final product is DOTA-HSA-ZHER2:342. In a cell uptake assay, DOTA-HSA-ZHER2:342 is labeled by 64Cu, 64Cu-DOTA-HSA-ZHER2:342 (0.5-2 hours) slowly accumulates in the SKOV3 cells and reaches 0.71% of the applied activity at 0.5 h and the uptake increased to 1.58% at 2 h 体内研究 In a microPET images of a mouse bearing SKOV3 tumor, 64Cu-DOTA-HSA-ZHER2:342 is injected to the mouse tail. microPET images of a mouse bearing SKOV3 tumor at 1, 4, 24 and 48 h after tail vein injection. The SKOV3 tumor is visible with a low tumor-to-background contrast at 1 h post-injection (p.i.), but with a very good tumorto-background contrast at 4 and 24 h p.i. Quantification analysis reveals that the SKOV3 tumor uptake values increases with time and are found to be 5.63%, 9.98%, 14.34% and 14.12% ID/g at 1, 4, 24, and 48 h, respectively
保存条件:-20℃