Pharmaceutical Delivery Mechanism TRIZ Cases

See how electrospun nanofiber scaffolds with decellularized ECM resolve synthetic graft problem

See how electrospun fiber textiles combine polyethylene terephthalate and polyurethane with con

A conductive silk-carbon nanotube fiber matrix electrically stimulates autologous fibroblasts to rebalance collagen, suppress MMPs, and speed wound healing.

Repeated plasma deposition, treatment, and etch cycles leave silicon only on the target surface, improving 10 nm patterning precision.

Laser-patterned silicon nitride on zirconia-toughened alumina implants reduces Al3+ and ROS elution while promoting osteogenesis.

A lubricating liquid anchored in a porous surface creates a self-healing interface that repels blood, biofilms, and complex fluids.

A tapered biodegradable magnesium bone screw improves alignment and resists breakage while releasing ions that stimulate localized bone formation.

A lubricating fluid infused into porous microtextures creates a self-healing slippery coating that resists blood adhesion, clotting, and biofilms.

A single cabergoline injection before weaning shortens the weaning-to-oestrus interval and helps synchronize oestrus in sows.

A buffered, stabilized liquid anti-PD-1/HER2 antibody formulation limits aggregation and decomposition while preserving activity for storage and infusion.

A humanized anti-GPVI antibody blocks GPVI-ligand binding to inhibit thrombosis without platelet depletion, supporting longer antiplatelet action.

A porous core-shell nasal foam improves wound contact, active-agent release, and fluid absorption while reducing placement errors.

Polar-polymer outer layers around a barrier core improve ostomy pouch odor blocking, sealing, tear strength, and quiet comfort.

Silver dendrites grown on silicon create implant surface layers that suppress biofilms while avoiding the cytotoxicity seen with silver nanoparticles.

Gelatin, collagen, or fibrin glue replaces Matrigel to support stable organoid transplantation without immunogenicity or batch variability.

Mucoadhesive water-soluble polymers tune mucin hydration and rheology to lower blink shear stress while keeping the tear film stable.

Atmospheric cold plasma and calcium-phosphate immersion create a hydroxyapatite polymer surface with better hydrophilicity and cell attachment.

A two-phase sodium selenite infusion reaches therapeutic plasma levels quickly, then maintains efficacy while limiting toxicity in cancer treatment.

A hinged two-part casing folds into a one-piece nasal inhaler that simplifies assembly, lowers manufacturing cost, and improves handling.

A polymeric collar matrix slowly releases sphingomyelins to reduce weekly dosing while easing lesions and itching in companion animals.

Cross-linked hyaluronic acid with silk protein fragments tunes filler durability and tissue response for soft tissue defects.

High-concentration anti-PD-1 formulations use stabilizers, surfactants, and antioxidants to limit viscosity, aggregation, and methionine oxidation.

Combining HA hydrogel with saturated fatty acids suppresses inflammasomes, lowers IL-1beta, and supports cartilage repair in osteoarthritis.

UV-cured acrylic acid and acrylamide coating lowers catheter friction while improving durability and minimizing particulate release.

A transglutaminase coating crosslinks collagen tissue matrices to reduce friction, wear, and post-implant adhesion damage.

Reactive zwitterionic copolymers gel after injection without additives, enabling site-specific, anti-fouling hydrogel coatings and bulk gels.

A blend of aromatic plant extracts delivers oral flea prevention and treatment for pets without the child-safety risks of chemical molecules.

Smaller 5T4-binding polypeptide fragments improve tumor targeting and internalization while clearing faster to limit radiation exposure.

MoO3-based antibacterial glass uses a controlled P2O5, SiO2, or B2O3 matrix to keep water resistance while remaining active in acidic and non-acidic conditions.

A porous OCP-gelatin composite balances conformability with fracture resistance during implantation while retaining shape for bone regeneration.

Pooling, filtration, freezing, and gamma irradiation turn amniotic fluid into a sterile, longer-lasting product for alopecia, scars, and immune modulation.

A microporous ASD oxide layer enriched with Ca, P, Ga, and Sr helps titanium implants resist bacterial colonization and speed osteointegration.

Autologous PRP or PRF with acoustic waves or pulsed currents relaxes breast implant capsular contracture with less invasiveness than surgery.

Localized HA hydrogel with saturated fatty acids targets inflammasomes to lower IL-1beta and slow osteoarthritis progression.

Benzenediol and quinone modified biopolymers balance hemostatic action, tissue adhesion, and material cohesion under blood flow.

Short-cycle CSF-1R antibody dosing for TGCT delivers durable tumor reduction and joint function improvement with manageable safety.

Self-assembled hydrophobic-hydrophilic copolymer nanoparticles boost collagen production in the dermis while preventing nodules and side effects.

A trehalose, surfactant, and histidine or citrate buffer system preserves anti-PD1 antibody stability and activity during storage and freeze-thaw cycles.

A polymer-blend catheter shaft enables direct UV-cured hydrophilic coating adhesion, cutting primer steps while reducing insertion resistance.

Spherical covalently crosslinked chitosan hydrogel beads improve injectability, stability, and tissue tolerance while reducing foreign body response.

Human serum albumin binds free fatty acids from polysorbate degradation to limit particle formation and keep biotherapeutic formulations stable.

An intracellularly cleavable anti-Nectin-4 camptothecin ADC improves tumor killing in low-expression cancers while reducing resistance and adverse events.

Chitosan-gelatin microspheres use electrostatic interaction and capillary absorption to speed clotting, reduce blood loss, and limit tissue damage.

Titanium nitride nanowires disrupt bacterial membranes through mechanical and electrostatic contact, avoiding leaching toxicity and replenishment.

Butronic surfactants replace degrading polysorbates in aqueous antibody formulations to prevent visible particles and maintain stability over time.

Continuous anti-GD2 antibody infusion treats GD2 positive cancer without IL-2, reducing severe side effects while maintaining efficacy.

A two-step regimen first builds antigen-specific T cells, then triggers systemic inflammation to improve tumor regression in late-stage cancer.

Amino-compound blocking removes residual aldehydes from glutaraldehyde-fixed valve tissue to curb calcification and thrombosis.

A catalyst-free aliphatic polyurethane excipient improves biostability and water-soluble drug release while avoiding cytotoxic residues.

Vortex mixing plus tangential flow filtration removes solvent and separates membranes to produce uniform, high-purity coated nanoparticles.

Polar linker units keep CD70 antibody drug conjugates hydrophilic at higher drug loads, improving stability, clearance, and therapeutic index.

A compressed oxidized cellulose matrix rapidly expands in body fluids to fill wound cavities and control bleeding without manual compression.

Human platelet lysate dressings provide sustained growth factor delivery while supporting hemostasis, infection control, and faster wound healing.

Combined DHODH inhibition and SLC6A8-mediated creatine depletion suppress metastatic colonization in gastrointestinal cancers.

A polyampholyte cryoprotectant replaces DMSO washing, preserving viable donor cells for direct implantation and inflammation-triggered regeneration.

A multi-arm polymer hydrogel uses iodinated lactone and hydrolysable ester linkages to tune radiopacity, crosslink density, and in vivo breakdown.

Selective IL-31RA blockade with nemolizumab relieves pruritus, skin excoriations, and sleep disturbance in responsive atopic dermatitis patients.

Saturated fatty acids in HA hydrogel inhibit inflammasome and IL-1beta activity while supporting chondrocyte redifferentiation in osteoarthritis.

Uneven polymer micelle sizes hinder delivery; narrow molecular-weight distribution controls particle diameter for targeted drug delivery.

See how Fc-silenced anti-CD40 antibodies block CD40-CD40L signaling to reduce HS inflammation while limiting effector-related safety risks.

Local application of Arisaematis Rhizoma, Typhonium giganteum, and baijiu targets spondylosis pain while limiting oral-drug toxic side effects.

TM4SF1-selective antibody-drug conjugates concentrate payload activity in tumor vessels while reducing toxicity to normal vessels.

This case uses exosomal P-gp in nasal secretions to classify CRS endotypes and guide P-gp inhibitor treatment.

This case uses 0–5 mM buffer and stabilizers to reduce peptide degradation, impurities, and clarity loss during storage.

Cross-linking collagen or gelatin creates a stable 1–500 micron porous scaffold that adheres to defects and supports tissue regeneration.

This case blends 5–20% hydrophilic polymer with thermoplastic elastomers to reduce friction while preserving tensile strength and elongation.

This case uses humanized frameworks and H-CDR3 mutagenesis to preserve affinity for tumor-necrosis targeting and agent delivery.

IV loading followed by oral dofetilide reaches effective levels while QTc monitoring limits arrhythmia risk after bypass surgery.

Dense collagen and hydroxyapatite improve injectable bone repair without chemical crosslinking.

Co-administering bupropion with dextromethorphan inhibits rapid hepatic metabolism, extending the drug's metabolic lifetime and improving therapeutic efficacy.

A JAK inhibitor reduces EGFR dysfunction-associated rash severity, allowing continued tumor treatment without dose reduction.

Wrapping a polymer membrane with decellularized matrix layers prevents calculus formation and reduces surgical complexity in bladder replacement.

Trifunctional compounds integrate antigen-binding domains and albumin-binding moieties to stabilize alpha-emitting radionuclides, reducing normal organ uptake.

Injectable bromide ion formulations raise circulating levels to treat cardiovascular and kidney diseases while reducing financial burdens.

Time-controlled periodic infusion maintains nerve blocking while preventing toxicity from large bolus doses, enabling safe home care.

Applying functionalized LiTaO3 or PLLA layers via corona poling increases calcium phosphate formation to resolve poor osseointegration.

Chromium-enriched oxide layer with 40 to 500 nm indentations overcomes insufficient wettability in conventional coatings, improving bone ingrowth.

Combination therapy targets refractory cancers by inhibiting key cytokines and angiogenesis while overcoming drug resistance.