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Method for encapsulation and release of fragile insects

a technology for fragile insects and encapsulation, which is applied in the field of encapsulation and release of fragile insects, and can solve problems such as not being able to surviv

Inactive Publication Date: 2017-09-21
SENECIO
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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 safely encapsulating insects using bubble-like structures to protect them from violent wind shears. The bubble solution is safe for the insects and does not harm their ability to fly and mate in the wild. The bubbles are made in real-time, saving space and reducing waste, and the solution can be degraded to minimize left-overs and dirt on the ground. Additionally, the text describes a water-soluble solution that has a high viscosity at low concentrations.

Problems solved by technology

As mosquitoes are considered fragile, they may not survive the impact of the violent wind shear when being release out of an airplane.

Method used

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  • Method for encapsulation and release of fragile insects
  • Method for encapsulation and release of fragile insects
  • Method for encapsulation and release of fragile insects

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0175]Bubble strengthening solutions may be prepared with Polyvinyl pyrrolidone in Deionized Water (DW), Poly(styrene sulfonic acid co-Maleic acid) Na salt in DW and 2-hydroxy ethyl cellulose in DW. After mixing with Fairy® dishwashing liquid (5-10%) bubbles may readily form but only those from 2-hydroxy ethyl cellulose solution survive. Maximum bubble lifetime may be expected to be about 30 sec.

example 2

[0176]Glycerol may be added to the formulation with 2-hydroxy ethyl cellulose in example 1 thus prolonging bubble life to ˜60 sec.

example 3

[0177]In accordance with “The preparation of Sodium 9,10-Dibromostearate Solution” by A. L. Kuehrer (J. Chem. Edu., 35, 337, 1958) and “The chemistry and physics of Soap bubbles” by David Katz, a Sodium Oleate formulation may be prepared: 0.4 gr of NaOH may be dissolved in 96.8 gr of DW; 2.8 gr of Oleic Acid (Sigma) may be added and then stirred.

[0178]The resulting solution, ˜100 gr of 3% Sodium Oleate may be mixed with 100 gr of Glycerol until a homogeneous solution is obtained.

[0179]No bubbles form as result, but after mixing with Fairy (10%) stronger bubbles are formed. While this solution produces less bubbles upon blowing, when mixed with 2-hydroxy ethyl cellulose formulation (from example 1), it, produced bubbles with lifetimes of ˜70-80 sec.

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Abstract

A method of distributing fragile insects in a distribution involving a wind shear, comprises, encapsulating the insects into a bubble and then releasing the bubble into the wind shear so that the bubble protects the insect from the wind shear. The insect may be inserted before or after formation of the bubble at any stage of the insect life cycle and the bubble may be uniform or made of a slow dissolving and a quick dissolving part. The bubbles are useful for aerial distribution of sterile male mosquitoes.

Description

BACKGROUND[0001]There are today large regions in the Americas, Africa and Asia that suffer from vector-born diseases transferred by insects, in particular, mosquitoes. The diseases include in particular Dengue fever, and Malaria, which are infectious disease carried and spread by bites from female mosquitoes.[0002]There have been many attempts at a safe and effective means to control vector-born disease, specifically Dengue and Malaria, over sizeable regions, including urban areas by controlling the mosquito population. One method is to release sterile males. The sterile males mate with the females in place of fertile males and in this way prevent reproduction.[0003]A problem with the attempts has been effective distribution of the sterile males. It is not possible to release the insects from aircraft as is done with chemicals and crop dusting, as the airspeeds and wind shear involved generally kill the insects. This is particularly true of mosquitoes which are relatively fragile. L...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B64D1/10B64D1/12A01K67/033
CPCB64D1/10B64D1/12A01K67/033B64D1/16A01M7/00A01M5/00Y02A50/30A01K1/03
Inventor LEPEK, HANANEINAV, OMERSHABANOV, DORONLEVY, ARIE ASAFDAREN, STEVE
Owner SENECIO
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