In 2019,Polymers (Basel, Switzerland) included an article by Li, Botian; Shao, Wei; Wang, Yanzan; Xiao, Da; Xiong, Yi; Ye, Haimu; Zhou, Qiong; Jin, Qingjun. Reference of 2-Aminopropane-1,3-diol. The article was titled 《Synthesis and morphological control of biocompatible fluorescent/magnetic janus nanoparticles based on the self-assembly of fluorescent polyurethane and Fe3O4 nanoparticles》. The information in the text is summarized as follows:
Functionalized Janus nanoparticles have received increasing interest due to their anisotropic shape and the particular utility in biomedicine areas. In this work, a simple and efficient method was developed to prepare fluorescent/magnetic composite Janus nanoparticles constituted of fluorescent polyurethane and hydrophobic nano Fe3O4. Two kinds of fluorescent polyurethane prepolymers were synthesized by the copolymerization of fluorescent dye monomers, and the fluorescent/magnetic nanoparticles were fabricated in one-pot via the process of mini-emulsification and self-assembly. The nanostructures of the resulting composite nanoparticles, including core/shell and Janus structure, could be controlled by the phase separation in assembly process according to the result of transmission electron microscopy, whereas the amount of the nonpolar segments of polyurethane played an important role in the particle morphol. The prominent magnetic and fluorescent properties of the Janus nanoparticles were also confirmed by vibrating magnetometer and confocal laser scanning microscope. Furthermore, the Janus nanoparticles featured excellent dispersity, storage stability, and cytocompatibility, which might benefit their potential application in biomedical areas. The experimental process involved the reaction of 2-Aminopropane-1,3-diol(cas: 534-03-2Reference of 2-Aminopropane-1,3-diol)
2-Aminopropane-1,3-diol(cas: 534-03-2) belongs to anime. Halogenation, in which one or more hydrogen atoms of an amine is replaced by a halogen atom, occurs with chlorine, bromine, and iodine, as well as with some other reagents, notably hypochlorous acid (HClO). With primary amines the reaction proceeds in two stages, producing N-chloro- and N,N-dichloro-amines, RNHCl and RNCl2, respectively. With tertiary amines, an alkyl group may be displaced by a halogen.Reference of 2-Aminopropane-1,3-diol
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