Dead Animal Preservation TRIZ Cases

Percoll density centrifugation isolates viable hepatocytes, enabling repeated freeze-thaw cycles with consistent metabolic activity and high recovery rates.

Rare sugar D-allose inhibits oxidative stress and ischemic damage to extend organ preservation time beyond 48 hours.

Insulated containers control cooling rates during cryogenic immersion, preventing sperm quality loss from uncontrolled freezing.

A cryomesh method preserves Drosophila embryos through staged permeabilization and dehydration.

Infrared laser sealing apparatus fuses fluorine resin bags using a clamping device and heat radiator to prevent liquid nitrogen leakage.

Store mesenchymal stem cells in human plasma at 0.1°C to 25°C, eliminating cryogenic logistics and contamination risks.

Periodic pressure pulses mimic natural blood flow to extract stem cells from placental tissue, doubling yield compared to gravity drainage methods.

Segmenting the carrier into a rod and elastic sleeve fixes embryo position while simplifying operation to boost cryopreservation efficiency.

A cryoprotectant solution containing dextran and dimethyl sulfoxide preserves animal cells during freezing.

Segmented two-pump perfusion systems resolve contamination risk and pressure control conflicts by isolating filtration upstream from the main pump.

Perfused human-derived organs evaluate substance effects, reducing reliance on non-human animal studies that lack physiological relevance.

Molecular markers accelerate soybean cultivar 32390021 development by selecting for disease resistance and fatty acid profiles before phenotypic testing.

Carrier device with receiving elements shapes cell suspensions below -30°C to resolve geometric property control and reproducibility contradictions.

Plant extracts replace toxic glycerol in cryopreservation, reducing osmotic stress and maintaining sperm motility after thawing.

A cryopreservation device uses a safety valve to discharge gases from the housing.

A freezing device uses a pre-cooled heat transfer surface to initiate controlled nucleation in biological solutions within small-volume containers.

Osmotic agents and cell surface remodeling polymers prevent cell lysis during extended storage, maintaining nucleic acid integrity.

Time-lapse imaging tracks cell cycle parameters to detect embryo ploidy status without invasive biopsy.

Replacing glycerol with a sucrose-based cryoprotectant formulation reduces treatment duration while maintaining high cell viability in processed allograft skin.

Inosine-5′-monophosphate protects frozen lactic acid bacteria cultures from freezing damage, preserving metabolic activity during extended storage at -50° C.

A semipermeable membrane establishes an immunological barrier within a cross-circulation circuit to maintain physiologic stability between host and organ systems.

A corneal preservation solution uses oncotic polymers to maintain tissue thickness and cell vitality during storage.

A non-linear cooling cryopreservation protocol preserves stem cells without toxic additives.

Vacuum dehydrated placental tissue scaffold releases chemokines to recruit stem cells, resolving the trade-off between barrier stability and endogenous healing.

An active perfusion system oxygenates preservation fluid to prevent ischemia damage during organ cooling.

A normothermic organ perfusion device maintains biological tissue at 37°C using a controlled fluid circuit and integrated sensors.

Real-time biomarker feedback adjusts perfusion parameters to prevent ischemia/reperfusion injury and reduce delayed graft function risks.

A perfusion apparatus positions sample compartments near a coolant container to maintain temperature and sterility for biological materials.

High-concentration sugars stabilize cell structures without cryogenic equipment, overcoming storage complexity while maintaining over 60% fibroblast viability.

Preliminary enzymatic fucosylation preserves cell surface glycans during cryopreservation, preventing engraftment capability loss from ex vivo expansion.

Alkaline peroxide soak sterilizes animal tissue without damaging the extracellular matrix or biomechanical properties.

A closed circuit perfusion system maintains constant nutrient flow to organ explants using bidirectional peristaltic pumps.

Segmented anionically modified nanofibrillar cellulose microbeads balance nutrient transport with phenotype stability.

A microfluidic device uses a channel constriction to drive advective flow through biological samples.

Pulsed electric fields accelerate latent heat removal during biological material freezing, eliminating cryoprotectant toxicity while maintaining cell viability.

A chemical preservative reagent stabilizes tumor cells in urine samples using polyethylene glycol and ethanol formulations.

A pulsatile pump circulates patient blood through a harvested vessel cannister to maintain endothelial health and prevent spasms.

Continuous CPA gradients minimize osmotic stress and sub-lethal damage, preserving oocyte viability and developmental competence compared to manual methods.

A honeycomb biological sample storage system organizes canisters within corrugated panels for compact freezing tank placement.

Step-wise cryoprotective agent addition minimizes toxicity, enabling 100-fold volume increases with maintained oocyst viability.

Spring-loaded pivot arm distributes tension evenly across the aorta, preventing tissue laceration and maintaining a tight seal.

A sleeve with heat shrink tubing secures an RFID tag to a cryogenic straw, preventing label failure and frost interference during storage.

Continuous cryoprotectant addition via a syringe pump minimizes concentration mismatch stress on sperm cells, increasing survivability by 5%.

Flanges break a tear line in the closed end of a tubular body to eject frozen biological samples, preventing contamination from thawing.

Stabilize thrombocytes in an inactivated state using composite formulations with glucose, fructose, and EDTA.

Inductive heating with susceptor particles thaws large tissue volumes, recovering high quantities of viable hepatocytes without ice crystal damage.

A portable tissue preservation device uses a pneumatic system to oxygenate perfusate via a semi-permeable membrane.