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yuan0806

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yuan0806

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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lvyanzzh

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4Â¥: Originally posted by yuan0806 at 2020-12-23 15:58:32
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yuan0806

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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Typically, 12 mL
MNCs water dispersion, 80 mL ethanol, and 4 mL ammonium hydroxide were
mixed together in a three-neck Žask. For each 20 min, 0.4 mL
TEOS was slowly injected in. The thickness of silica shell can be
determined by the times of the injection of TEOS. For Fe3-
O4@SiO2 described in the main text, TEOS was injected three
times. The coating process was conducted under vigorous
mechanical stirring and 50¡æ  water bath.
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yuan0806

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
13Â¥: Originally posted by lvyanzzh at 2022-07-19 21:46:42
ÇëÎÊÓÐKH550 ¸ÄÐÔµÄÎÄÏ×Âð£¿Ò²Ïë¸ÄÐÔ£¬Ð»Ð»~...

With vigorously stirring, 400¦ÌL of APTES and
600 L of ammonia were added to 50 mL of Fe3O4@SiO2
MNPs solution suspended in 95% ethanol/water solution.
To enhance covalent bonding of the amine groups to
the silica nanoparticle surface, the mixture was reacted
for 4 h. The black precipitates were washed 3 times
with ethanol and the obtained APTES-functionalized
Fe3O4@SiO2 MNPs were re-dispersed in ethanol.
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15Â¥2022-07-21 09:08:22
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