反应条件优化：将夏佛塔苷溶解在合适的溶剂中，加入适量的碱（如碳酸钾、碳酸钠等）作为催化剂，调节反应体系的 pH 值至碱性，一般 pH 值在 9 - 11 之间。然后，在搅拌条件下，缓慢滴加 FITC 的有机溶剂溶液，控制反应温度在 0 - 4℃左右，反应时间通常为 1 - 2 ...

在生物医学研究领域，一种新型荧光标记物——FITC（异硫氰酸荧光素）标记的羧甲基聚蔗糖（CM-polysucrose），正逐渐成为科学家们关注的焦点。这种标记物结合了FITC的荧光特性与CM-polysucrose的优良生物性质，为生物成像和药物传递等领域带来了新的突破。

The chilling 911 recording from the night four University of Idaho students were butchered in their off-campus home was made public this week — revealing the chaotic and terrifying aftermath of ...

Ever-changing with gradual improvements, the base-model 2025 Porsche 911 Carrera has reached an inflection point. What was once an aspirational if just out of reach sports car is today a bona fide ...

The Chief Client Officer (CCO), of AXA Mansard Insurance Plc, Rashidat Adebisi, has stressed the critical role of digital transparency and value chain integration of technology in the industry’s ...

Authorities have released the recording of a 911 call placed after the stabbings of four University of Idaho students in November 2022. Prior public records requests had been denied due to a gag ...

Despite all of the various Porsche 911 permutations running around—and there are a lot of them—the base model 2025 Porsche 911 Carrera (code name: 992.2) is all the Porsche you're likely to need.

The new series follows on the heels of 'Lone Star' ending its run on Fox. By Rick Porter Television Writer ...