Water-soluble carbon nanocomposite material for double phototherapy and its preparation method and application
A composite material and water-soluble technology, which is applied in the field of biomedical materials, can solve the problems of not fully exerting the photosensitivity of phthalocyanine, and the preparation method is complicated, and achieves the effects of enhanced killing efficiency and simple preparation method.
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preparation Embodiment 1
[0027] The preparation of water-soluble single-walled carbon nanohorn-phthalocyanine complex, according to the following steps:
[0028] (1) Dissolve tetrasulfonic acid-based copper phthalocyanine with secondary water, prepare an aqueous solution with a mass concentration of 10%, and add single-wall Carbon nanohorns were ultrasonically ultrasonicated for 60 minutes.
[0029] (2) Centrifuge the ink-colored dispersion prepared above to remove large particle aggregates, filter the obtained liquid with a microporous membrane with a pore size of 220 nm, and wash with secondary water until the filtrate is colorless to remove free phthalocyanine. The obtained black solid was redispersed in water to obtain a single-wall carbon nanohorn-phthalocyanine complex with a total concentration of 1.4 mg / mL, of which phthalocyanine was 0.49 mg / mL and single-wall carbon nanohorn was 0.91 mg / mL .
[0030] The obtained single-wall carbon nanohorn-phthalocyanine composite can be uniformly dispers...
preparation Embodiment 2
[0032] The preparation of water-soluble single-walled carbon nanohorn-phthalocyanine complex, according to the following steps:
[0033] (1) Dissolve tetrasulfonate-based aluminum phthalocyanine with secondary water, prepare an aqueous solution with a mass concentration of 12%, and add single-wall Carbon nanohorns were ultrasonically ultrasonicated for 60 minutes.
[0034] (2) Centrifuge the above-prepared dispersion to remove large particle aggregates, filter the resulting liquid through a microporous membrane with a pore size of 220 nm, and wash with secondary water until the filtrate is colorless to remove free phthalocyanine. After drying, the single-walled carbon nanohorn-phthalocyanine composite is obtained.
preparation Embodiment 3
[0036] The preparation of water-soluble single-layer non-curled graphene-phthalocyanine composite, according to the following steps:
[0037] (1) Dissolve tetrasulfonic acid-based copper phthalocyanine with secondary water, prepare an aqueous solution with a mass concentration of 15%, and add a single layer of uncurled graphene, and ultrasonicated for 60 minutes with a sonicator.
[0038] (2) Centrifuge the above-prepared dispersion to remove large particle aggregates, filter the resulting liquid through a microporous membrane with a pore size of 200 nm, and wash with secondary water until the filtrate is colorless to remove free phthalocyanine. After drying, a single-layer uncurled graphene-phthalocyanine composite was obtained.
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