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Method for preparing liquid medium composition, and preparation device and kit therefor

a technology of liquid medium and production method, which is applied in the direction of packaging foodstuffs, pharmaceutical containers, packaged goods types, etc., can solve the problems of inability to easily contact the second center part of the container, difficulty in individual use of such special stirring apparatus for each small capacity container, and inability to achieve the preferred flow rate. , to achieve the effect of reducing the speed of the two liquids at the junction where the two liquids meet, and reducing the length of the string of structures

Pending Publication Date: 2022-08-25
NISSAN CHEM IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method and device for mixing liquids using a special mixing nozzle. The nozzle has a small through-hole with a specific cross-sectional area and flow rate. The first liquid is injected into the second liquid at a high speed to enable a thin flow which allows for better mixing and suppression of structures in the mixture. This method and device can be used for individual production of medium compositions in small capacity containers without the need for special sterilization facilities. The technical effect is improved mixing efficiency and reduced formation of long strings and structures in the mixture.

Problems solved by technology

From such aspect, individual use of such special stirring apparatus for each small capacity container is difficult.
In such a thick flow, the first liquid in the center part thereof may not be able to contact the second liquid before stalling.
Therefore, feeding out at a flow rate capable of achieving the preferable flow velocity cannot be certainly performed with ease with a through-hole having a large diameter beyond the above-mentioned cross-sectional area.

Method used

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  • Method for preparing liquid medium composition, and preparation device and kit therefor
  • Method for preparing liquid medium composition, and preparation device and kit therefor
  • Method for preparing liquid medium composition, and preparation device and kit therefor

Examples

Experimental program
Comparison scheme
Effect test

experimental example 1

the Production Device and Production Method of the Present Invention

[0162]One embodiment of the production device of the present invention was produced, the production method of the present invention was carried out using same, and the results of the test observing the dispersion state of the structure in the obtained medium composition are shown in the following. As a Comparative Example, the test results when the flow rate of the injection of the first liquid was decreased are shown.

[0163]In Examples 1-9 and Comparative Examples 1-16, a particular compound was deacylated gellan gum, the first liquid was a deacylated gellan gum solution, and a liquid medium containing calcium ion and magnesium ion as a linking substance to link the deacylated gellan gum to form the structure was the second liquid.

[Specifications of Production Device]

[0164]In Examples 1-9 and Comparative Examples 1-16, a production device of the type shown in FIG. 3 was produced.

[0165]As a container, the body part o...

experimental example 2

Diameter of Through-Hole of Nozzle Part

[0184]In Experimental Example 2, the same amount of the first liquid is injected by the same pressing force from a syringe with the same specifications, and changes in the flow rate and flow velocity, and the dispersed state (suspending property) of the beads and the state of the structure (precipitate) as in the above-mentioned Experimental Example 1 when the bore diameter of the through-hole of the nozzle part was stepwisely changed were evaluated.

[0185]The first liquid, syringe, the second liquid, and conical tube used were the same as those in the above-mentioned Experimental Example 1. In Experimental Example 2, to stepwisely change the bore diameter of the through-hole of the nozzle part, injection needles of various gauges (inner diameter) were mounted on the syringe tip. That is, in this Experimental Example, the inner passage of the injection needle is the through-hole. The criteria of the evaluation of the dispersed state (suspending ...

experimental example 3

t Direction of the First Liquid

[0194]In Experimental Example 2, in injecting the first liquid from the syringe into the container, whether the dispersed state of the beads (suspending property) varies between an injection direction of from the top to the lower side, and an injection direction of from the bottom to the upper side by setting the container upside down, was evaluated.

[0195]The first liquid, syringe, second liquid, and conical tube used were the same as those in the above-mentioned Experimental Example 1.

[0196]The dispersed state (suspending action) of beads in each Experimental Example is shown in Table 5.

TABLE 5DAGsecond liquidamount offinaltemperatureamountfirst liquidconcentrationcontainer, syringesuspendingNo.kind[° C.][mL][mL][wt %]orientation when mixingactionnotea1DEEM-h4400.80.01550 mL tube, 1 mL syringe∘goodinjected from topa2DEEM-h4400.80.01550 mL tube, 2.5 mL syringe∘goodinjected from bottoma3DEEM-h4400.80.01550 mL tube, 1 mL syringe∘goodinjected from bottoma...

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Abstract

The present invention provides a method capable of easily mixing any liquid containing a linking substance such as a divalent metal cation and the like with a liquid containing a particular compound at a high concentration, and capable of producing a liquid medium composition comprising fine structures dispersed therein, and a production device therefor and a kit therefor. The first liquid containing a particular compound is passed through a through-hole having a given cross-sectional area formed in a nozzle part at a given flow rate and injected into the second liquid at a given flow rate. By this simple operation, a structure in which the particular compound is bonded via the linking substance is formed, and the structure is preferably dispersed in a mixture of the both liquids.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This patent application is a divisional of copending U.S. patent application Ser. No. 15 / 565,022, filed on Oct. 6, 2017, which is the U.S. national phase of International Patent Application No. PCT / JP2016 / 061357, filed on Apr. 7, 2016, which claims the benefit of Japanese Patent Application No. 2015-078795, filed on Apr. 7, 2015, the disclosures of which are incorporated herein by reference in their entireties for all purposes.TECHNICAL FIELD[0002]The present invention relates to a production method of a liquid medium composition, and a production device and a kit for carrying out the method. More particularly, the present invention relates to a production method including appropriately mixing at least two kinds of liquids to be mixed for forming the above-mentioned medium composition (the first liquid containing a particular compound, and the second liquid containing a substance for linking the particular compounds to form a structure) t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C08B37/00C12N5/00A61J1/20B01J19/24C08J3/205
CPCC08B37/006C12N5/0068A61J1/2096B01J19/24C08J3/2053B01J2219/24C08J2305/00A61J1/2003B01L3/56C12N5/0018B01L2200/06C12N2500/30C12N2500/14C12N2500/20
Inventor HAYASHI, HISATOSARUHASHI, KOICHIROKANAKI, TATSURO
Owner NISSAN CHEM IND LTD
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