Insoluble Polymer Carrier for Nutrient Delivery
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Solution Overview
Problem
Current agricultural and oceanic nutrient delivery methods face challenges such as nutrient leaching, bioavailability issues, and toxicity concerns due to water solubility and environmental factors, leading to inefficient crop yields and phytoplankton growth limitations.
Innovation Solution
Development of compositions comprising a carrier with phenolic and aliphatic hydroxyl moieties, forming a network of insoluble polymers that associate with micronutrients through labile bonds, releasing them in response to biological demand and maintaining bioavailability, while minimizing leaching and toxicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If water-soluble nutrients are applied to soils to maximize plant growth, then nutrient availability to plants is improved, but nutrient leaching increases causing environmental pollution and reduced efficiency
Solution Approach 1:
The patent uses water-insoluble polymers as intermediary carriers to bind water-soluble nutrients. The polymer-nutrient complex is insoluble in water, preventing leaching, but the nutrients are released slowly through biological demand (root exudates, soil microbes) maintaining plant availability without environmental pollution
Solution Approach 2:
The patent changes the solubility parameter of nutrients by binding them to water-insoluble polymer carriers. This transforms water-soluble nutrients into water-insoluble complexes that resist leaching, while maintaining nutrient release through biochemical processes in the soil
2Productivity
If trace metals are applied directly to soil to mitigate deficiency, then nutrient availability is improved, but bioavailability decreases due to reaction with oxygen and hydroxide ions forming less available compounds
Solution Approach 1:
The patent uses polymer carriers with functional groups (carboxyl, hydroxyl, amino) as intermediaries to bind trace metals. These polymers protect trace metals from reacting with oxygen and hydroxide ions in soil, maintaining them in bioavailable forms for plant uptake
Solution Approach 2:
The patent changes the chemical environment of trace metals by binding them to polymer functional groups, preventing oxidation and precipitation reactions that would reduce bioavailability, thereby maintaining reliable nutrient supply
3Productivity
If over-application of trace metals is used to ensure sufficient nutrient supply, then nutrient availability is improved, but crop growth is reduced or mortality increases due to toxicity
Solution Approach 1:
The patent uses polymer carriers as intermediaries to control trace metal release. The carriers bind excess trace metals and release them gradually through biological demand, preventing toxic accumulation while ensuring sufficient supply for crop growth
Solution Approach 2:
The patent enables the nutrient delivery system to self-regulate through biological demand. Root exudates and soil microbes trigger controlled release from the polymer carrier, automatically adjusting nutrient supply to match plant needs and preventing toxicity
4Productivity
If NPK fertilizers are applied to improve crop yields, then productivity is improved, but trace metal concentrations in plants are depleted
Solution Approach 1:
The patent merges NPK fertilizer application with trace metal delivery by incorporating trace metals into polymer carriers that can be applied alongside or with NPK fertilizers. This combined approach ensures both macronutrient and micronutrient availability without mutual depletion
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 effectively retains nutrients in a bioavailable form, reducing leaching and toxicity, and enhances crop and phytoplankton growth by releasing micronutrients in response to biological demand, thereby improving agricultural productivity and oceanic phytoplankton growth.
Implementation Method 1
a carrier with phenolic and aliphatic hydroxyl moieties, forming a network of insoluble polymers that associate with micronutrients through labile bonds
Implementation Method 2
the element associates with a carrier such that the element is released from the carrier through biological demand
Data Source
AI summary
The invention provides compositions and systems comprising a carrier and an element. The carrier is a network of polymers insoluble in water comprising phenolic hydroxyl moieties, aliphatic hydroxyl moieties or a combination thereof. An association between the carrier and the element is labile in response to biological demand and the lability of the association in the presence of water is less than the lability of the association in response to biological demand. Also provided are methods of making such compositions and methods for delivering the element to an organism.