Powder Delivery TRIZ Cases

Polymer microspheres trap fluorescent dye for months, preventing diffusion and enabling precise surgical resection.

A compact inhaler uses a slidable proximal part to deploy and retract the air passage for aerosol delivery.

Hydrolyzing the pre-formed polyvinyl acetate network yields chemically crosslinked hydrogels with superior mechanical strength and lubricity.

Alternating magnetic fields heat embedded nanoparticles to melt the polymer matrix, enabling controlled release of proteins and polynucleotides.

Sorbitol in the filler matrix delays nicotine release, matching absorption rates to sustain user satisfaction.

Enzymatic hydrolysis creates modified starch that encapsulates liposomes, resolving the trade-off between solid dosage stability and oral bioavailability.

Nanoporous glass microspheres load Y-90 without neutron activation, eliminating harmful byproducts and reducing density compared to solid glass spheres.

Ultrasonic irradiation triggers nucleation in supersaturated emulsions, resolving particle morphology damage from mechanical milling.

Biodegradable polymer depots extend bimatoprost action to 100 days, resolving insufficient duration of topical fat reduction treatments.

Nanographene oxide inhibits mitophagy via the NIX pathway, causing damaged mitochondria accumulation and apoptosis without inducing toxicity or resistance.

Buffered-precipitation synthesis creates lead borate nanoparticles that selectively destroy p53 mutant breast cancer cells while sparing healthy tissue.

Microaggregated FAP complexes bypass BCG toxicity by enabling rapid internalization of cytotoxic cargo into bladder cancer cells.

Partial film coating of calcium carbonate with water-soluble polymers reduces excipient needs, allowing high calcium loads in small, stable tablets.

Optimized pH and excipient concentrations stabilize high-concentration anti-CTLA4 antibodies, preventing aggregation during refrigerated storage.

Ubiquinone cocrystals form hydrogen bonds with donor coformers to overcome low water solubility and improve bioavailability.

Microfluidization enables solvent-controlled co-precipitation for stable amorphous solid dispersions.

Amino acids shield proteins from thermal stress, preventing unfolding and aggregation during drying.

Liposome nanocarriers encapsulate PD-1 inhibitor prodrugs to deliver active agents directly to tumor sites.

Ultrasonic cavitation during synthesis creates 50 to 200 nm hesperetin nanoparticles that overcome low bioavailability of bulk material.

Optimized excipient concentrations stabilize anti-IL-36R antibodies in liquid formulations, preventing aggregation and preserving shelf-life during storage.

Polycaprolactone-based donepezil microspheres maintain effective blood concentrations for 2-12 weeks, reducing administration frequency.

A poly(organophosphazene) complex with superparamagnetic nanoparticles enables controlled drug release via sol-to-gel phase transition.

Minigastrin derivatives incorporate triazole linkages and norleucine to reduce kidney uptake while maintaining high tumour affinity.

A Janus-type dendritic polyelectrolyte zwitterion self-assembles into a nanostructure for efficient intracellular drug and gene delivery.

Blending an ACE inhibitor powder with a calcium channel blocker granulate prevents degradation caused by water and mechanical stress during storage.

Polymeric compositions extract sodium through the gastrointestinal tract, bypassing renal insufficiency and diuretic resistance.

Three-layer chitosan-lipid nanoparticles disrupt NS1-phosphoprotein interactions and inhibit RNA polymerase formation to suppress viral replication.

Mannitol and poloxamer 188 formulations solubilize tumor-associated peptides without ultrasound, extending shelf life beyond thirty minutes.

Cereal extracts encapsulate probiotic strains into stable powders, maintaining viability without synthetic polymers.

Tolerogenic type V collagen fragments treat chronic obstructive pulmonary disease and asthma through immunomodulation.

Porous microparticles encapsulate bioactive substances via a solvent-free template process to achieve high loading efficiencies.

Sugar ester stabilizers prevent nanoparticle agglomeration during drying, eliminating the need for sonication to restore original particle size.

Lipid nanoparticle formulations deliver mRNA encoding viral antigens, resolving insertional mutagenesis risks while ensuring robust protection.

An implantable drug depot releases bupivacaine via a biodegradable polymer matrix to provide sustained analgesia.

A gold nanoparticle-aptamer conjugate binds specific proteins and penetrates cell membranes via endocytosis.

Incorporating lactose into the solution modifies MMAD and GSD, enabling effective co-deposition of drug combinations in the respiratory tract.

Supercritical extraction, winterization, and distillation isolate cannabinoids from inconsistent plant material for reliable therapeutic outcomes.

Optimized viscosity and concentration parameters in the dipping composition resolve contradictions between dissolution reliability and manufacturing speed.

Synthetic peptoid compounds bind selectively to CD44+ breast cancer stem cells for targeted detection and therapy.

Biodegradable polymeric particles encapsulate antigens to provide sustained release, eliminating the need for multiple vaccine administrations.

Inhaled dried amnion tissue compositions neutralize oxidative stress from inhalable insulin, preserving lung function and enabling safe glycemic control.

Combining PDE5 inhibitors with nitrite extends nitric oxide half-life to induce vasodilation.

A citrus-derived complex prebiotic agent production method utilizing sequential acid and alkali soaking treatments to remove segment membranes.

A plungerless aspiration and injection device manages fluid volume through elastic bulb deformation for precise ocular administration.

Resonance whirl milling reduces protein particle size using controlled vortex chamber pressure gradients.

Sugar-based vitrification preserves vaccine viability during freeze-drying, eliminating allergic reactions from traditional protein stabilizers.

A high-purity nano-silver composition targets cervical cancer cells with low toxicity.