Microneedle-based Environmental and Agricultural Monitoring Systems

Publication ID: 24-11857343_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Microneedle-based Environmental and Agricultural Monitoring Systems,” Published Technical Disclosure No. 24-11857343_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857343_0002_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,343.

Summary of the Inventive Concept

The invention applies the microneedle fabrication technology to create novel systems and methods for monitoring environmental pollutants, detecting water contaminants, tracking agricultural soil health, and monitoring air quality.

Background and Problem Solved

The original patent focused on microneedle fabrication and device implantation for medical applications. However, the limitations of the original patent's scope and functionality prevented its application to other fields. This inventive concept addresses the need for innovative monitoring systems in environmental and agricultural industries, which face significant challenges in detecting pollutants, contaminants, and health indicators.

Detailed Description of the Inventive Concept

The inventive concept comprises systems and methods utilizing microneedles fabricated according to the original patent's methods. These microneedles are adapted for environmental and agricultural monitoring, featuring reversible engagement features and capabilities for collecting and analyzing samples. The systems include microneedle-based sensors for detecting contaminants in water, air, and soil, as well as tracking devices for monitoring marine life migration patterns.

Novelty and Inventive Step

The new claims introduce novel applications of the microneedle fabrication technology, expanding its scope beyond medical implantation to environmental and agricultural monitoring. The inventive step lies in the adaptation of the microneedle technology to address specific challenges in these industries, such as detecting pollutants and contaminants, and tracking ecosystem health.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include the use of different materials for the microneedles, varying the size and shape of the microneedles, or integrating additional sensors or analytical tools into the systems. Variations may also include adapting the systems for monitoring other environmental or agricultural parameters, such as temperature, humidity, or nutrient levels.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the environmental and agricultural monitoring industries, which are increasingly seeking innovative solutions to address pressing challenges. Target markets may include government agencies, research institutions, and private companies involved in environmental monitoring, agricultural production, and ecosystem conservation.

CPC Classifications

SectionClassGroup
A A61 A61B5/685
A A61 A61B5/1459
A A61 A61B5/1473
A A61 A61B5/6868
A A61 A61K41/0028
A A61 A61N1/0502
A A61 A61N1/0529
A A61 A61N1/0551
A A61 A61N5/0601
B B21 B21F45/008
A A61 A61B2562/12
A A61 A61N2005/0612
A A61 A61N2005/0651
B B23 B23K1/0008
B B23 B23K2101/32

Field of Art

Biomedical engineering and microsystems design, with expertise in microfabrication techniques, sensor development, and miniaturized medical/environmental monitoring devices

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced degrees in bioengineering, materials science, or related fields, possessing knowledge of microfabrication techniques, sensor integration, and interdisciplinary applications of microneedle technologies

Obviousness Rationale

A PHOSITA would recognize the natural extensibility of the microneedle fabrication method from medical implantation to environmental monitoring applications. The fundamental microneedle design principles remain consistent across domains, with the primary innovation being the adaptation of sensing and sampling capabilities to different environmental contexts. The source patent's detailed fabrication method provides a clear technical foundation for repurposing the microneedle technology across multiple fields.

Obvious Combinations & Variations

Source Patent Element
Microneedle fabrication method using wire winding and brazing with reversible engagement features
PTD Variation
Applying the same fabrication method to create environmental monitoring microneedles for soil, water, and air sampling
Obviousness Reasoning
Known technique of adapting established fabrication methods to new application domains, with predictable results in sensor design and sample collection
Source Patent Element
Wire materials specified as tungsten or tungsten alloys with diameters of 100 μm or less
PTD Variation
Utilizing identical material specifications for environmental sensor microneedles with integrated sampling capabilities
Obviousness Reasoning
Material selection represents a straightforward design choice with known performance characteristics applicable across different sensing domains
Source Patent Element
Microneedle with sharpening techniques like electrochemical etching
PTD Variation
Applying identical sharpening methods to create microneedles optimized for penetrating different environmental media
Obviousness Reasoning
Predictable extension of existing fabrication technique to enable efficient sample collection across varied substrates
Source Patent Element
Reversible engagement feature for medical implantation
PTD Variation
Repurposing the engagement mechanism for detachable environmental monitoring devices
Obviousness Reasoning
Known design strategy of transferring mechanical features between related technological domains with minimal modification
Source Patent Element
Precision microfabrication techniques for neural targeting
PTD Variation
Adapting precision fabrication for environmental monitoring with integrated sensing capabilities
Obviousness Reasoning
Demonstrates a predictable technological transfer between precision engineering domains with similar technical requirements
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857343, a person having ordinary skill in the art would find the environmental and agricultural monitoring applications of microneedle technology to be obvious variations of the existing microneedle fabrication method. The disclosed variations represent a straightforward technological adaptation that would be readily apparent to a skilled practitioner, thereby rendering potential claims in this domain obvious and anticipatable by the prior art.

Original Patent Information

Patent NumberUS 11,857,343
TitleMicroneedle fabrication and device implantation
Assignee(s)The Regents of the University of California