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(Synonyms: PEG(2000)-1,2-DSPE, PEG2000-DSPE, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-PE, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-Phosphoethanolamine, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-Phosphatidylethanolamine) 目录号 : GC64192 复制 一键复制产品信息

PEG2000-DSPE是一种含有DSPE和胺端基的PEG聚合物,具有类似胶束的特性。

PEG2000-DSPE Chemical Structure

Cas No.:892144-24-0

规格 价格 库存 购买数量
10mg
¥440.00
现货
25mg
¥880.00
现货
50mg
¥1,360.00
现货
100mg
¥2,240.00
现货
250mg
¥3,680.00
现货

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Sample solution is provided at 25 µL, 10mM.

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Description

PEG2000-DSPE is a PEG polymer containing DSPE and amine end groups that exhibits micelle-like properties [1]. PEG2000-DSPE has been widely used in the preparation of polymer micelles and liposomes to encapsulate doxorubicin, which can prolong the circulation time in the body and thereby increase the tumor uptake rate[2]. The introduction of PEG2000-DSPE will enhance the lateral repulsive force of the lipid bilayer surface through extensive hydration around the head group, not only affecting the particle size, but also influencing the lamellar structure of the vesicles [3]. PEG2000-DSPE has been widely used to modify the surface of nanoparticles or proteins, resisting the degradation by blood proteins and improving the pharmacokinetic behavior of nanocrystals[4].

References:
[1] Remsberg C M, Zhao Y, Takemoto J K, et al. Pharmacokinetic evaluation of a DSPE-PEG2000 micellar formulation of ridaforolimus in rat[J]. Pharmaceutics, 2012, 5(1): 81-93.
[2] Takayama R, Inoue Y, Murata I, et al. Characterization of nanoparticles using DSPE-PEG2000 and soluplus[J]. Colloids and Interfaces, 2020, 4(3): 28.
[3] Sriwongsitanont S, Ueno M. Effect of a PEG lipid (DSPE-PEG2000) and freeze-thawing process on phospholipid vesicle size and lamellarity[J]. Colloid and Polymer Science, 2004, 282(7): 753-760.
[4] Wang D, Wang Y, Zhao G, et al. Improving systemic circulation of paclitaxel nanocrystals by surface hybridization of DSPE-PEG2000[J]. Colloids and Surfaces B: Biointerfaces, 2019, 182: 110337.

PEG2000-DSPE是一种含有DSPE和胺端基的PEG聚合物,具有类似胶束的特性[1]。PEG2000-DSPE已被广泛用于制备聚合物胶束和脂质体以包封阿霉素,可延长体内循环时间,从而提高肿瘤摄取率[2]。PEG2000-DSPE的引入会通过头部基团周围的大量水化作用增强脂质双层的侧向排斥力,不仅影响粒径,还会影响囊泡的层状结构[3]。PEG2000-DSPE已被广泛用于修饰纳米颗粒或蛋白质的表面,抵抗血液蛋白的降解,并改善纳米晶体的药代动力学行为[4]

化学性质

Cas No. 892144-24-0 SDF Download SDF
别名 PEG(2000)-1,2-DSPE, PEG2000-DSPE, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-PE, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-Phosphoethanolamine, Polyethylene Glycol-2000-1,2-Distearoyl-sn-glycero-3-Phosphatidylethanolamine
分子式 (C2H4O)nC42H82NO10P 分子量
溶解度 DMSO : 12.5 mg/mL (4.45 mM; ultrasonic and warming and heat to 60°C) 储存条件 4°C, away from moisture and light
General tips 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。
储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。
为了提高溶解度,请将管子加热至37℃,然后在超声波浴中震荡一段时间。
Shipping Condition 评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备RT,或根据请求配备蓝冰。
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  • 分子量计算器

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*在配置溶液时,请务必参考产品标签上、MSDS / COA(可在Glpbio的产品页面获得)批次特异的分子量使用本工具。

计算

动物体内配方计算器 (澄清溶液)

第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量)
给药剂量 mg/kg 动物平均体重 g 每只动物给药体积 ul 动物数量
第二步:请输入动物体内配方组成(配方适用于不溶于水的药物;不同批次药物配方比例不同,请联系GLPBIO为您提供正确的澄清溶液配方)
% DMSO % % Tween 80 % saline
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