功能： ...

DSPE-PEG-PEI 是由磷脂（DSPE）、聚乙二醇（PEG）和聚乙烯亚胺（PEI）构成的复合物。PEI 是一种常见的阳离子聚合物，具有高效的基因转染能力。它能够与DNA、RNA等核酸分子形成复合物，并有效地将这些分子传递到细胞内。DSPE 和 PEG 的引入不仅提高了复合物的稳定性 ...

PEI 的阳离子性增强了纳米颗粒的细胞摄取效率，PLGA 的缓释特性使 ICG 在体内的释放更稳定。此材料适合肿瘤治疗和基因治疗的联合应用，是一种多功能性载体。 PEG-PEI-ICG 是基于聚乙二醇（PEG）、聚乙烯亚胺（PEI）和吲哚菁绿（ICG）组成的纳米复合系统。

1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, polyethylenimine (PEI; 2K, branched ... Methoxypolyethylene glycol epoxy (Me-PEG-epoxy) was purchased from Shearwater Polymer Inc.

Carl Pei will launch the Nothing Phone (3) and another landmark device in 2025. Nothing Phone (3) is expected to be a flagship device. There are speculations that a new model could launch in India ...

We sell different types of products and services to both investment professionals and individual investors. These products and services are usually sold through license agreements or subscriptions ...

One of the most useful tools for this is the PEG ratio. Unlike simpler metrics, which only show a company’s current value, the PEG ratio also takes into account how much a company is expected to ...

Nasdaq provides Price/Earnings Ratio (or PE Ratio) and PEG ratio for stock evaluation. Financial analysts and individual investors use PE Ratio and PEG ratios to determine the financial ...