Photodynamic Therapy TRIZ Cases

A BODIPY-linked SN38 precursor improves solubility and stability while enabling visible-light tumor imaging and residual tumor tracking.

Focused ultrasound triggers biodegradable liposomes to generate light in deep brain tissue, avoiding invasive fibers and inorganic nanoparticle buildup.

A targeted cyanine NIR fluorophore helps surgeons see tumor margins and ablate residual cancer cells during surgery, reducing re-excision risk.

Linked fluorophore-chelator PSMA conjugates improve tumor imaging while reducing liver, spleen, and salivary gland uptake.

A boron-based albumin linkage improves conjugate stability and reproducibility while enabling cancer targeting, fluorescence imaging, and light-triggered ROS generation.

A diselenide-crosslinked hydrogel releases therapeutics under irradiation, boosting local tumor control while limiting systemic toxicity.

Counterion-tuned organic salts boost NIR imaging brightness while limiting dark cytotoxicity and aggregation for tumor visualization and photodynamic therapy.

Photobiomodulation can generate excess reactive oxygen species; these ferrocene particles release a scavenging drug to limit oxidative stress during wound healing.

This case combines light-triggered tumor cell destruction with TLR9 adjuvant activation to improve systemic immunity and limit side effects.

This compound combines Type-I and Type-II ROS generation to reduce oxygen dependence while limiting dark cytotoxicity in PDT.

Fab or F(ab')2 fragments paired with IR700 support near-infrared tumor detection and photoimmunotherapy within hours.

A biodegradable Na3ZrF7 core and protective NaYF4/NaNdF4 shells improve energy transfer, luminescence, and degradation time.

A light-guiding mouthpiece distributes illumination evenly across facial and lingual tooth surfaces using a single external source.

Segmented iron oxide nanoparticles with dual activity centers increase free radical production to enhance treatment efficacy while reducing side effects.

High transition temperature lipid nanoparticles encapsulate indocyanine green J-aggregates to extend circulation time and reduce hemoglobin spectral overlap.

Segmented cyclic peptides self-assemble into peptidesomes that resist proteases and maintain structural integrity in vivo.

A triple-responsive nanogel system transports the photosensitizer Pc 4 to tumor mitochondria using pH and redox triggers.

Segmenting the core from biological exposure via dual coating layers reduces toxicity while maintaining precise size control for MRI contrast agents.

Functionalized scintillator nanotubes produce singlet oxygen upon excitation to inhibit amyloid-beta aggregation.

Instilling anti-PD-L1 antibodies with hexyl 5-ALA ester into the bladder enables targeted photodynamic therapy.

US28-specific VHH antibodies inhibit constitutive viral receptor activity, reducing glioblastoma tumor volume and improving diagnostic detection sensitivity.

Ultrasound activation of a stable platinum prodrug overcomes shallow light penetration and antioxidant defenses in deep tumors.

Periodic pulsed irradiation achieves high bacterial inactivation efficiency while preventing thermal and photochemical damage to surrounding tissues.

Pluronic P123 micelles solubilize cyanin IR-780, preventing premature degradation and enhancing photocytotoxicity in tumor therapy.

Water-soluble phosphonium polyelectrolytes produce singlet oxygen via photosensitization, overcoming antibiotic resistance in E. coli and S. aureus infections.

A radioluminescent molecular conjugate converts X-radiation into visible light to activate photosensitizers.

A phthalocyanine fluorescent dye enables controlled light irradiation for targeted cancer cell destruction.

Photo-excited ionized carrier molecules energize cells to deplete mold defenses, reducing fungal toxin burden without immune suppression.

Peptide conjugates selectively bind human nerves to enable precise intraoperative visualization.

X-ray stimulated nanophosphors emit visible light to modulate neurons, bypassing shallow tissue penetration limits of direct optical methods.

Fluorine-fluorine interactions drive J-aggregation in a nano-photosensitizer, shifting absorption to the near-infrared region for deeper tumor phototherapy.

Scintillator nanoparticles convert penetrating X-rays into visible light to activate photosensitizers, treating deep-seated tumors beyond surface layers.

Autonomous light generation overcomes poor tissue penetration, enabling non-invasive treatment of deep-seated glioblastoma.

A controller adjusts dual light sources to create a photon density gradient, solving hypoxic environment limitations.

Sonication enhances riboflavin photochemical inactivation, reducing photosensitizer dosage and residual toxicity while shortening treatment time.

Dithio-substituted nucleobases absorb electromagnetic radiation to enable deeper tissue penetration in phototherapy applications.

Replacing UV-A psoralen therapy with a hypericin liquid solution eliminates carcinogenic risks while maintaining treatment efficacy.

Integrated LED system enables home-based photodynamic therapy, eliminating hospital visits and reducing patient discomfort during prolonged exposure.

Viral-like nanoparticles conjugated with photosensitive molecules deliver targeted therapeutic agents to tumor cells.

A gadolinium porphyrinate complex localizes on anionic cancer cell membranes to enable targeted photodynamic therapy.

Indocyanine green serves as both imaging agent and photosensitizer, enabling selective tumor destruction while sparing healthy parenchyma.

Vapor phase atomic layer deposition coats semiconductor quantum dots with conformal dielectric and metallic layers to create plasmonic nanoparticles.

Titanium sulfonate coordinates with phosphorus atoms to prevent oxygen bonding, preserving electronic properties while eliminating oxidation damage.

Segmented kaolinite carriers reduce systemic cytotoxicity while sustaining drug release through the EPR effect.

Cetuximab-IR700 conjugates attach IR700 dye to defined lysine residues, resolving inconsistent drug-to-antibody ratios in photoimmunotherapy.

Applying a magnetic field during laser irradiation increases photosensitizer oxidation efficiency and cytotoxicity against tumor cells.

Biodegradable glass substrates enable implantable devices to dissolve safely, eliminating surgical removal and addressing ethical concerns.

Functionalized endothelial optical exosomes deliver therapeutic chromophores to abnormal blood vessels for targeted destruction.

AN-BDP nanoparticles self-assemble with DSPE-PEG2000 to stabilize photosensitizers and extend tumor retention time.