Seed preservation technology of immobilized microalgae by using organic synthetic polymers

An organic synthesis and polymer technology, applied in the direction of fixing on/in the organic carrier, can solve the problems of short conservation time, small individual microalgae, repetitive and cumbersome operations, etc.

Inactive Publication Date: 2019-12-31
邓敏丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Microalgae are rich in nutrients and have a wide range of applications in people's lives and production practices. In the cultivation and application of microalgae, species preservation technology is very important. The large-scale microalgae industry is not enough to cultivate microalgae alone. The algae species must be preserved for later use to meet the needs, but the individual microalgae are small and difficult to separate, and it is easy for the single-cell pure species of the algae species to mutate with environmental changes during the species preservation process, losing their own physiological activity and genetic characteristics, so The preservation of algae species is particularly important. At present, the method of preserving algae species often adopts the method of subculture, which is repetitive and cumbersome.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A technique for preserving species of microalgae immobilized with organic synthetic macromolecules, in order to prepare species preservation of microalgae, it is carried out according to the following steps:

[0016] (A1) Weighing and dosing: select the organic synthetic polymer fixative polyacrylamide, quantitatively weigh 2.5g of the organic synthetic polymer fixative polyacrylamide, 2g of sodium chloride, measure 25mL of algae liquid with a graduated cylinder, and 100mL of distilled water , then add polyacrylamide and sodium chloride to 100mL distilled water respectively, and stir with a glass rod to form a gel solution with a concentration of 2.5% (W / V);

[0017] (A2) Fixation: Boil the polyacrylamide gel solution for disinfection for later use, then inoculate the organic synthetic polymer fixative gel solution with the algae solution at a ratio of 4:1, mix well and make a gel-algae suspension solution, use a syringe with a No. 9 needle to drop into 2% CaCl2 solutio...

Embodiment 2

[0021] A technique for preserving species of microalgae immobilized with organic synthetic macromolecules, in order to prepare species preservation of microalgae, it is carried out according to the following steps:

[0022] (A1) Weighing and dosing: select the organic synthetic polymer fixative polyvinyl alcohol, quantitatively weigh 5g of the organic synthetic polymer fixative polyvinyl alcohol, 2g of sodium chloride, measure 100mL of algae liquid with a graduated cylinder, and 100mL of distilled water. Then add polyvinyl alcohol and sodium chloride to 100mL distilled water respectively, and stir with a glass rod to form a gel solution with a concentration of 5% (W / V);

[0023] (A2) Fixation: Boil the polyvinyl alcohol gel solution for disinfection for later use, then inoculate the organic synthetic polymer fixative gel solution with the algae solution at a ratio of 4:1, mix well and make a gel-algae suspension solution, use a syringe with a No. 9 needle to drop into 2% CaCl2...

Embodiment 3

[0027] A technique for preserving species of microalgae immobilized with organic synthetic macromolecules, in order to prepare species preservation of microalgae, it is carried out according to the following steps:

[0028] (A1) Weighing and dosing: select the organic synthetic polymeric fixative porous silica gel, quantitatively weigh 1g of the organic synthetic polymeric fixative porous silica gel, 2g of sodium chloride, measure 50mL of algae liquid and 100mL of distilled water in a graduated cylinder, and then Add porous silica gel and sodium chloride to 100mL distilled water respectively, and stir with a glass rod to form a gel solution with a concentration of 5% (W / V);

[0029] (A2) Fixation: Boil and sterilize the porous silica gel solution for later use, then inoculate the organic synthetic polymer fixative gel solution with the algae solution at a ratio of 4:1, and mix well to make a gel-algae suspension , use a syringe with a No. 9 needle to drop into 2% CaCl2 solutio...

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PUM

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Abstract

The present invention provides a seed preservation technology of immobilized microalgae by using organic synthetic polymers in the technical fields of seed preservation. Firstly, an organic syntheticpolymer fixative, sodium chloride and algae liquid are quantitatively weighed, then the organic synthetic polymer fixative, sodium chloride and algae liquid are separately added into distilled water to prepare a gel solution of a certain concentration, the organic synthetic polymer fixative gel solution is boiled and disinfected, then the organic synthetic polymer fixative gel solution is fully and evenly mixed with the algae liquid in a certain amount, the mixture is evenly dropped into a CaCl2 solution at a uniform rate by a syringe, dropping is conducted while shaking is conducted, after acertain period of time, solidified microalgae beads are formed, the formed calcium micro-alginate beads are washed several times with sterile distilled water to obtain fixed algal cells, the fixed algal cells are preserved and cultured, finally, timing sampling for a resuscitation test is conducted, culture at room temperature is conducted for 10 days, and first visual inspection and then microscopic inspection are conducted to determine whether the algal cells are alive. The preparation method is simple, liable to operate, not liable to contaminate, and longer in seed preservation time.

Description

[0001] technology neighborhood [0002] The invention relates to a seed preservation technology, in particular to a technology of immobilizing microalgae seed with organic synthetic macromolecule. Background technique [0003] Microalgae are rich in nutrients and have a wide range of applications in people's lives and production practices. In the cultivation and application of microalgae, species preservation technology is very important. The large-scale microalgae industry is not enough to cultivate microalgae alone. The algae species must be preserved for later use to meet the needs, but the individual microalgae are small and difficult to separate, and it is easy for the single-cell pure species of the algae species to mutate with environmental changes during the species preservation process, losing their own physiological activity and genetic characteristics, so Preservation of algae species is particularly important. At present, the method of preserving algae species ofte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N11/08C12N11/04
CPCC12N11/04C12N11/08
Inventor 邓敏丽
Owner 邓敏丽
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