Abstract
It is really needed for novel sources of aggregation-induced emission (AIE) biomaterials from nature, which with good biocompatibility and biodegradability. Inulin (IUL), a very rich polysaccharide existed in nature, it has enhanced emission in powder and concentrated solution state of AIE effect. In addition, room temperature phosphorescence (RTP) can be observed in the solid powder of IUL, which is also rare in pure organic materials. IUL can emit various multicolor light, thus, it has excellent multi-color imaging capabilities. In addition, the IUL solution has quenching reaction to Fe3+, it can be used as a biosensor to detect the concentration of Fe3+ within the normal human serum. These results shown that IUL has potential prospects as new biosensor and multicolor cell imaging.
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