Fluorogenic Hydrazine Sensors for Aqueous Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for detecting hydrazine are expensive, time-consuming, and impractical for real-time on-site analysis, particularly in aqueous and biological samples, and existing sensors are not water soluble or functional at room temperature and neutral pH.
Innovation Solution
Development of fluorogenic water soluble hydrazine sensors, which are phenothiazine compounds with a water soluble group and a hydrazine reactive group, capable of reacting with hydrazine to produce a fluorescent adduct, allowing for sensitive detection in aqueous and biological samples at room temperature and neutral pH.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional analytical techniques (spectrometric, titrimetric, electrochemical, mass spectrometry) are used for hydrazine detection, then measurement precision is improved, but loss of time and productivity deteriorate due to expensive and time-consuming procedures impractical for real-time analysis
Solution Approach 1:
The patent replaces complex mechanical and instrumental analysis systems (spectrometers, mass spectrometers) with a simple fluorogenic chemical sensor system. The sensor uses a fluorophore that undergoes a chemical reaction with hydrazine to produce a fluorescent signal, eliminating the need for expensive and time-consuming instrumental analysis while maintaining detection capability.
Solution Approach 2:
The patent changes the detection parameter from complex spectral or mass signals to simple fluorescence intensity measurement. By utilizing the fluorogenic reaction that produces a fluorescent adduct, the system transforms hydrazine detection into a straightforward fluorescence readout that can be performed rapidly with minimal equipment.
2Productivity
If existing fluorogenic sensors are used for hydrazine detection, then productivity is improved through faster analysis, but adaptability deteriorates because none are water soluble or functional at room temperature and neutral pH
Solution Approach 1:
The patent modifies the fluorogenic sensor to have specific local properties: water solubility through appropriate molecular design and functionality optimized for neutral pH conditions. The sensor molecule is engineered with hydrophilic groups to ensure solubility in aqueous environments while maintaining its fluorogenic response characteristics at physiological pH and temperature.
Solution Approach 2:
The patent adjusts the operational parameters of the fluorogenic sensor to function at room temperature and neutral pH, rather than requiring extreme conditions. The sensor chemistry is selected and optimized to maintain stability and reactivity under physiological conditions, enabling application to biological samples and aqueous environments.
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 sensors enable rapid, sensitive, and cost-effective detection of hydrazine in various samples, including biological fluids, with the ability to quantify hydrazine levels and monitor its diffusion across phospholipid membranes, providing a practical solution for real-time analysis.
Implementation Method 1
contacting a sample with a fluorogenic water soluble hydrazine sensor under conditions sufficient to react the hydrazine, if present, with the fluorogenic water soluble sensor to produce a fluorescent adduct. Aspects of the method further include detecting the fluorescence of the adduct.
Data Source
AI summary
Water soluble fluorogenic sensors for detecting a hydrazine analyte are provided. Aspects of the fluorogenic sensors include at least one water soluble group and a hydrazine reactive group. Methods of evaluating a sample for the presence of a hydrazine analyte and methods of detecting hydrazine diffusion across a phospholipid membrane are provided. Kits for practicing the subject methods are also provided.