以下是对其的详细解析： 一、化学组成与结构 OH-PEG-SA由聚乙二醇（PEG）和琥珀酸（SA）结合而成。PEG是一种高分子材料，具有良好的水溶性和生物相容性，而琥珀酸则是一种天然有机酸，具有两个羧基（COOH），可以与不同的官能团反应，形成酯键或酰胺键。

羟基是MAL-PEG-OH分子的一个末端官能团，具有较高的反应活性。 功能特点： 进一步修饰：羟基可以通过酯化、醚化等反应与其他分子连接，进一步扩展其应用范围。例如，羟基可以与药物分子的羧基（-COOH）反应，形成稳定的酯键，将药物分子连接到PEG链上。

With lots of betting markets and banking options in store, BetMGM OH provides a smooth and enjoyable experience for rookie bettors and seasoned sharps in Ohio. Get the full details on BetMGM Ohio ...

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Ohio suffers badly from health ‘dead zones,’ new report finds ...

"Boomtown" is 10TV's daily commitment to cover every angle of central Ohio's rapid growth. This special compiles the best of that coverage from the past week. 10TV covered the impacts of a failed ...

Temperatures have taken a minor setback from the hottest day of the year yesterday. As a front continues to work across the region, we’ll eventually see temperatures get back on a warming trend.

From April 7–13, the Athens International Film + Video Festival will present its 52nd edition, showcasing over 200 films from more than 58 countries at the historic Athena Cinema in uptown Athens, OH.

COLUMBUS, Ohio — Friday Night: Mostly cloudy with storms by sunrise. Low 59. Windy SSE winds at 10-20 mph, gusting to 30 mph. Saturday: Several rounds of rain and storms possible. One before ...