Powder Delivery TRIZ Cases

Acid-degradable ZIF nanocarriers bind reproductive hormone targets and release active agents for permanent sterilization without surgical bleeding risks.

A PLGA-g-PEG thermogel holds radioactive yttrium phosphate particles at the tumor site for more uniform radiation, less migration, and imaging.

Targeting PNEC-derived CGRP signaling reduces pulmonary edema and improves gas exchange in a mouse model of NEHI.

Surface coating and thermal passivation help long-acting drug implants prevent burst release while maintaining sustained delivery.

Nanoconjugates carrying tPA and antioxidant enzymes extend stroke thrombolysis while reducing oxidative stress, neurotoxicity, and reperfusion injury.

Targeted inhaled DEC and prostacyclin combinations address steroid-resistant lung inflammation while helping limit exacerbations and infection risk.

pH-controlled BPA dissolution with polyol and vacuum freeze-drying creates a stable, low-impurity preparation that reconstitutes quickly.

Long-acting injectable HIV integrase inhibitor suspensions sustain plasma levels, reduce injection site reactions, and ease daily adherence burden.

A geminally substituted carbon in beta-eliminative linkers suppresses aza-Michael addition and keeps drug release controlled.

Hyaluronidase-enabled anti-HER2 formulations support stable high antibody concentration for subcutaneous injection with lower viscosity and aggregation.

Low-temperature vacuum concentration and drying preserve thermally unstable Zhu Ling Tang components while improving consistency, solubility, and convenience.

Amphiphilic diblock copolymer micelles raise drug loading and reduce side effects through efficient conjugation and cleavable release.

Controlled humidity conditioning after co-jet milling stabilizes glycopyrrolate particles and improves aerosol delivery consistency.

Engineered mutant invertase improves thermal, pH, and proteolytic stability, enabling oral CSID treatment without refrigeration.

A lyophilized PEG-asparaginase formulation uses buffers, salts, and sugars to preserve activity while lowering clearance and immune response.

A Ginseng and Cistanche composition targets ALS muscle weakness and disease progression while avoiding the side effects and cost of standard drugs.

A solvent-free melt composite with rice bran extract, mannitol, or maltodextrin improves curcuminoid dissolution and oral bioavailability.

Long-acting CNP variants extend serum half-life and preserve NPR-B activity to improve bone growth and growth velocity in skeletal dysplasia.

Non-reducing sugars and amino acids stabilize lyophilized TACI-Fc, reducing aggregation and particulate matter during storage.

Deformable lipid nanovesicles improve localized drug delivery by crossing skin and the blood-brain barrier while reducing systemic toxicity.

Controlled residual moisture, multicomponent stabilizers, and annealing keep lyophilized therapeutic proteins stable at 25°C for 24 months.

Using S-beta-hydroxybutyrate-rich mixtures raises and sustains ketone levels while easing hypoglycemia, electrolyte imbalance, and ketosis transition discomfort.

Radiolabeled CCR2-binding peptides enable non-invasive PET detection of receptor expression to monitor inflammation and disease progression.

Surface-functionalized silica nanoparticles use charge control and sub-150 nm sizing to prevent agglomeration and improve lymphatic delivery.

Continuous droplet formation and dehydration controls Peclet number to produce circular biologic particles with low void space and stable morphology.

A self-healing polymer-nanoparticle hydrogel synchronizes release of mixed-size immunomodulators to extend antigen exposure and strengthen humoral immunity.

Spray-dried lipid emulsions gain metallo-organic ALD coatings to stay stable at higher temperatures and support delayed single-dose delivery.

Nanoparticle-bound polyphosphate speeds clot initiation and strengthens clots for severe bleeding when fast, simple wound treatment is needed.

Magnetic nanoparticles on a porous chitosan microrobot enable precise drug or cell delivery while avoiding toxicity and degrading safely over time.

Glycan-conjugated lipids give LNPs selective dendritic cell uptake while preserving payload encapsulation, stability, and immune activation.

Granulating lipid nanoparticles with a substrate creates dry inhalant particles that improve storage stability, handling, and redispersion.

Amphiphilic alginate-oleic acid macromolecules self-assemble into stable, biocompatible nanoparticles with faster active-agent encapsulation.

Selective ROS dissolution of metal nano-linkers breaks HMSNs into smaller particles, improving cancer therapy clearance and reducing side effects.

Balanced salts, sugars, buffers, and non-ionic surfactants keep rAAV stable through freeze-thaw, lyophilization, and warmer storage.

Au-Ru nanoenzymes with peptide heart targeting scavenge ROS and RNS to mitigate chemotherapy cardiotoxicity without reducing tumor efficacy.

A tri-iodinated MAETIP monomer keeps embolization microspheres radiopaque while reducing aggregation, catheter blockage, and poor suspension flow.

Pyrolyzed sodium alginate-diamine carbon nanoparticles inhibit VEGF-driven ocular angiogenesis while reducing injection burden and severe side effects.

Apoptotic body surrogates carrying immunodominant epitopes induce antigen-specific tolerance while reducing hypersensitivity, rejection, and side effects.

A nebulized sialidase formulation improves respiratory delivery for immunocompromised and severely ill patients who cannot use dry powder inhalers.

Fine-particle actives suspended in a hyaluronic acid derivative carrier extend in vivo concentration and reduce initial burst release.

Ultrasound activates Pt(IV) prodrug nanoparticles after tumor accumulation, improving local platinum delivery while reducing harm to healthy tissue.

Alcohol solvent replacement enables a dry hydrogel article to reach SAL 10^-6 sterility while limiting drying cohesion and preserving gel properties.

A Bacillus natto extract with controlled nattokinase activity suppresses AGE formation while improving oral safety and manufacturability.

Single-stranded RNA oligonucleotides target aggregation-prone protein regions to keep high-concentration formulations soluble and active.

A multi-plant polyphenol blend targets BACE1, CD38, CD73, and JAK enzymes to better replicate Mediterranean diet health effects.

Tumour-targeted CO-releasing conjugates localize carbon monoxide delivery to reduce checkpoint expression and macrophage-driven immunosuppression.

Covalent antigen-polymer conjugation enables precise particle loading and controlled release to induce immune tolerance with fewer side effects.

A topical statin and antimicrobial composition helps complex wounds heal normally while lowering infection risk across ointment, powder, or liquid use.

Using lurasidone free base in an HPMCAS solid dispersion improves dissolution in neutral media and reduces food-dependent loss of efficacy.

Specific excipient ratios turn a nitroxoline prodrug into a manufacturable composition with strong stability, rapid dissolution, and improved pharmacokinetics.