其原因在于存在于合成物表面的PEG链能起到防护层的作用，进而抑制了由于非特异性蛋白质的吸附而引起的聚集反应。
This was attributed to the PEG chains present on the surface of complexes that could work as a protective shield layer against aggregation caused by non-specific protein adsorption.
不是我们存在于世界。而是世界存在于我们之中。
矛盾的是，虽然液态水所需的温度只存在于太阳系内部，但生命的关键组成部分，包括水本身，却主要存在于小行星带之外。
Paradoxically, while the temperatures required for liquid water exist only in the inner solar system, the key building blocks of life, including water itself, occur primarily beyond the asteroid belt.
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