Preparation method of giant-scale porphyrin microcapsule and application thereof
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A technology of porphyrin microcapsules and microcapsules, which is applied in the field of preparation of giant porphyrin microcapsules, can solve the problems of human body damage, influence on the brain development of infants and children, and achieves short time required, simple operation, and simple and effective method. Effect
Inactive Publication Date: 2012-07-11
SOUTHEAST UNIV
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However, a large number of studies have shown that even low concentrations of lead exposure can cause damage to the human body, especially affecting the brain development of infants and children
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[0029] A preparation method for giant porphyrin microcapsules, comprising the following steps:
[0030] Step 1) using benzene: 1,2-dichloroethane mixed solution as a solvent to prepare a mixed solution containing porphyrin;
[0031] Step 2) Microcapsules are prepared using three-channel microfluidic technology, and the inner and outer phases are aqueous solutions, and are dried and collected under suitable conditions.
[0032] The giant porphyrin microcapsules prepared by the method of this example are used for the detection of heavy metal ions in solution.
[0033] The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention shall be included within the scope of the present invention.
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Abstract
The invention discloses a preparation method of a giant-scale porphyrin microcapsule and an application of the giant-scale porphyrin microcapsule preparation method. The preparation method contains the following steps of: 1) preparing a porphyrin-containing mixed solution by using a mixed solution of benzene and 1,2-dichloroethane as a solvent; and 2) preparing the microcapsule by the utilization of a three-way micro fluidic technology, using an aqueous solution as internal and external phases, drying and collecting under a suitable condition. The giant-scale porphyrin microcapsule prepared by the method of the embodiment is used for detection of heavy metal ions in a solution. The preparation method provided by the invention is simple, and the giant-scale porphyrin microcapsule obtained by the preparation method has high sensitivity to heavy metal ions.
Description
[0001] technical field [0002] The invention belongs to the field of microcapsule preparation, and in particular relates to a method for preparing giant porphyrin microcapsules. [0003] Background technique [0004] With the improvement of material life, while heavy metals provide convenience for life, the atmosphere, water, soil and other human living environments are polluted by heavy metals to varying degrees, and the pollution is becoming more and more serious. Heavy metals generally refer to metals with a specific gravity greater than 5. There are about 45 types, such as copper, lead, gold, silver, iron, zinc, cobalt, mercury, manganese, cadmium, nickel, etc. Most of these metals affect human health. Manganese, zinc, iron, etc. are trace elements needed for life activities, and most heavy metals, such as lead, mercury, and cadmium, have serious toxic damage to the human body. Among them, lead, mercury, cadmium, Arsenic, chromium, etc. are the most harmful to the hum...
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