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Synthesis of FITC¨CAPTES

A solution of FITC (8.6 mg) in anhydrous ethanol (2 mL) was mixed with APTES (0.197 mL) and then the mixture was stirred at room temperature for 24 h. The prepared FITC¨CAPTES stock solution was kept at 4 ¡ãC.
Synthesis of amino-modified MSNs (denoted as MSNs-NH2)

The synthesis of MSNs-NH2 was similar to that of magnetic MSNs-NH2.18 Typically, 0.3 g CTAB and 0.1 g PVP30 were added to a solution containing 90 mL of deionized water and 60 mL of methanol. The solution was adjusted to pH 10.2 by an ammonia solution, and then 600 ¦ÌL TEOS and 50 ¦ÌL APTES were added. After stirring for 2.5 h at room temperature, the resultant particles were separated and washed with ethanol and water. The extraction of organic templates for the as-synthesized particles was performed by dispersing these particles into 50 mL of a mixed solution of ethanol and NH4NO3 (0.3 g) at 60 ¡ãC for 1 h. The synthesis of FITC-labeled MSNs-NH2 is similar to that of the unlabeled ones, except that FITC-APTES (50 ¦ÌL) and APTES were added together during the condensation process.
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3Â¥: Originally posted by Ñô¹âÎ÷ÆïÊ¿ at 2016-12-15 22:39:55
Synthesis of FITC¨CAPTES

A solution of FITC (8.6 mg) in anhydrous ethanol (2 mL) was mixed with APTES (0.197 mL) and then the mixture was stirred at room temperature for 24 h. The prepared FITC¨CA ...

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