Biodegradable Bait Station Using Gel Wick for Controlled Ant Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current liquid ant bait stations face issues such as bait spoilage, increased toxicant concentration, viscosity changes due to water loss, and maintenance requirements, which hinder effective and environmentally friendly pest management.
Innovation Solution
A biodegradable bait station using a small amount of sugary liquid bait with a water absorbent polymer or gel plug that acts as a wick to deliver the bait slowly, protecting it from environmental conditions and allowing for controlled release, made from biodegradable materials like bioplastics and absorbent polymers like polyacrylamide or sodium alginate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a large bait reservoir is used to hold liquid bait, then the system can deliver bait to larger ant populations without frequent refilling, but bait spoilage increases and toxicant concentration increases due to water loss
Solution Approach 1:
The patent divides the bait reservoir into multiple smaller individual bait stations, each containing a limited amount of liquid bait (e.g., 0.5-2 mL). This segmentation prevents large-scale spoilage and maintains bait quality while still providing prolonged protection through the distributed network of stations.
Solution Approach 2:
The patent employs semi-permeable membranes as barriers in the bait station design. These membranes allow controlled water vapor transmission while preventing direct evaporation and contamination, thereby maintaining bait concentration and quality over extended periods.
2Ease of operation
If liquid bait is exposed to environmental conditions, then bait can be easily accessed by ants, but bait concentration and consistency deteriorate due to water loss from hot weather, irrigation, or precipitation
Solution Approach 1:
The patent utilizes semi-permeable membranes that selectively allow ant access to bait while blocking environmental water loss. The membrane structure permits ant penetration but restricts evaporation and contamination from external environmental conditions.
Solution Approach 2:
The patent introduces a gel matrix or absorbent material as an intermediary between the liquid bait and the external environment. This intermediary maintains bait consistency by absorbing excess moisture while still allowing ant access, thereby stabilizing bait composition.
3Reliability
If liquid bait is stored in simple plastic containers, then bait is protected from environmental factors, but maintenance and service requirements increase
Solution Approach 1:
The patent employs disposable bait stations made from biodegradable materials that are designed for single-use deployment. These stations provide adequate protection during their service life and then decompose naturally, eliminating the need for retrieval, maintenance, or disposal of plastic containers.
Solution Approach 2:
The patent utilizes composite materials combining biodegradable plastics with natural decomposition-friendly substances. This composite structure provides sufficient environmental protection during operation while ensuring complete biodegradation afterward, reducing long-term maintenance requirements.
4Stability of the object's composition
If water absorbent polymer or gel is used to deliver liquid bait, then bait delivery is controlled and protected from environmental conditions, but device complexity increases
Solution Approach 1:
The patent changes the physical state of the bait delivery system by using gel or absorbent materials that transform liquid bait into a controlled-release format. This parameter change from liquid to gel/absorbent state provides inherent delivery control without requiring complex mechanical mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures complete consumption of the bait before degradation, minimizes environmental impact, eliminates maintenance needs, and provides a stable and continuous supply of the bait, reducing off-site pesticide movement and non-target impacts.
Implementation Method 1
a water absorbent polymer or gel plug that acts as a wick to deliver the bait slowly
Implementation Method 2
The water absorbent polymer or gel absorbs the liquid bait and expands inside of the cylindrical container
Data Source
AI summary
A biodegradable bait station is disclosed that can be used with liquid baits targeting pest ants in urban, agricultural, and natural setting, which can overcome several limitations that most of other liquid bait stations currently experience. For example, instead of keeping a large quantity of liquid bait in a reservoir, a small amount, for example, 10-20 ml of sugary liquid bait with an insecticide, for example, boric acid, thiamethoxam, imidacloprid, will be contained in a biodegradable cylindrical container with one open end. The open end will be plugged with a piece of water absorbent polymer or gel, for example, polyacrylamide gel, sodium alginate. The water absorbent polymer or gel absorbs the liquid bait and expands inside of the cylindrical container so that it will function as a polymer “wick” to deliver a small amount of the liquid bait to foraging ants.