Scintillating Polymer NO Release for Deep Tumor X-Ray Activation
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Solution Overview
Problem
Existing treatments for deep tumors face limitations due to the inability of light to penetrate opaque tissues, restricting the activation of scintillating polymers and subsequent nitric oxide (NO) release.
Innovation Solution
A treatment package comprising a scintillating polymer matrix and a nitric oxide release agent, activated by X-ray radiation rather than optical photons, to enhance NO production and cancer cell reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If optical photons are used to activate scintillating polymers for NO release, then the treatment can be targeted and controlled, but the light cannot penetrate opaque tissues deeply enough to reach deep tumors
Solution Approach 1:
The patent changes the activation parameter from optical photons to X-ray radiation, which has fundamentally different penetration characteristics. X-rays can penetrate deep into opaque tissues while still providing sufficient energy to activate the scintillating polymer and trigger NO release, thus resolving the contradiction between penetration depth and activation effectiveness.
2Length of stationary object
If X-ray radiation is used to activate scintillating polymers, then deep tumors can be treated, but the precision and control compared to optical activation is reduced
Solution Approach 1:
The scintillating polymer acts as an intermediary that converts X-ray radiation into localized light emission. The X-rays penetrate deeply to reach the tumor site, and the scintillating polymer converts this energy into localized activation at the specific tumor location, maintaining spatial precision while enabling deep tissue treatment.
3Illumination intensity
If upconverting nanoparticles are used to generate optical photons for deeper penetration, then access to deeper tumors is improved, but the penetration is still not unrestricted
Solution Approach 1:
The patent extracts the scintillating component from the complex upconverting nanoparticle system and integrates it directly into the polymer matrix. This simplifies the overall system by eliminating the need for separate upconverting nanoparticles while achieving the same function of converting X-ray energy into localized light emission for NO release.
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 use of scintillating polymers and NO release agents in a treatment package activated by X-rays significantly increases NO production, overcoming the limitations of light penetration and enhancing the efficacy of cancer treatment.
Implementation Method 1
directing X-ray radiation to the locations of the cancer cells, such that the X-ray radiation cause the scintillating polymer to emit energy at a first wavelength
Implementation Method 2
The energy at a first wavelength causes the NO release agent to release nitric oxide
Data Source
AI summary
A system and method for reducing a number of cancerous cells in the body through use of a treatment package a mixture of scintillating organic silicon-based polymer and a nitric oxide (NO) release agent at least partially surrounded by a functional material that facilitates consumption of the treatment package by a macrophage. The macrophage travels to the tumor and is then radiated with X-ray radiation causing the scintillating polymer to emit photons at a first wavelength which strike and causing the release agent to release substance toxic to the cancer cells. The scintillating polymer may comprise polydimethylsiloxane. The release agents may comprise one or more of the following: iron, copper, CrONO, Ruthenium (phen)(NO)(Cl), and Roussin's black salt. The scintillating polymer is selected such that the emitted photon wavelength corresponds to a wavelength of maximum absorption by the release agent.