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.