Immobilised Enzymes TRIZ Cases

Low molecular weight glucose analogs modify enzyme substrate specificity to alter reactivity profiles.

Specific fumed silicas control mediator transport to eliminate user calibration input and ensure batch-to-batch accuracy.

Alkaline buffer conditions during immobilization prevent glycerol accumulation, maintaining enzyme activity across multiple transesterification cycles.

Engineered transaminase polypeptides overcome wild-type instability and low stereoselectivity to efficiently produce R-(+)-α-phenylethylamine.

Vaporization creates stable hybrid gels from silica precursors, avoiding harmful solvents to maintain long-term biocompatibility.

A disposable electrochemical sensor detects urea and creatinine levels in small blood samples using laminated electrodes.

Reversible probe dissociation generates distinct electrochemical signals for polynucleotide detection without optical components.

Copper-histidine complexes replace water electrolysis to transport DNA, eliminating gas evolution and removing the need for complex diaphragms.

Segmenting mediator functions resolves solubility limits, enabling high shuttle concentrations that maintain constant current.

A self-calibration module compensates for IR drops in electrochemical sensors using a current-interrupt switch and potentiostat.

Polycation-coated clay composites adsorb and degrade aldehydes using immobilized microorganisms, addressing low removal efficiency in industrial wastewater.

A digital potentiostat circuit uses a System-on-Chip to generate precise control voltages and measure electrochemical currents.

Electrochemically conductive markers incorporate into amplicons to enable real-time quantification via simple electrical signals.

Separate reference and counter electrodes in a capillary biosensor detect fill completion through circuit timing to prevent double-dosing errors.

Ionizing radiation modifies a cellulosic interference domain to block acetaminophen and uric acid, resolving signal inaccuracy from electroactive species.

A porous plug filter in an electrochemical sensor strip separates blood cells from plasma for rapid fluid flow.

A dissolvable dry storage matrix preserves biological activity at ambient temperatures using stabilizers like trehalose.

Screen-printed hydrogel coatings on glucose test strips enable accurate analyte detection with minimal sample input.

A disturbing-noise countermeasure electrode dissipates static electricity to ground without connecting to the analysis circuit.

Curved inlet and outlet surfaces in a microscopic hole sensor assembly accelerate liquid flow to eliminate signal distortion from anomalous particle paths.

A solid-state selector device modulates surface charge density using voltage to control ion flow through nanopores.

Encapsulated microorganisms secrete depolymerases to break down polyhydroxyalkanoate polymers in waste depositories.

Analytical tool window positioned to avoid exposed electrodes, enabling clear visual inspection of sample liquid movement within the capillary.

A biosensor uses a molecularly imprinted polymer film to capture anesthetic molecules and measure discharge voltage.

Segmenting the enzyme into a dedicated layer prevents leaching from the skin-conforming hydrogel, maintaining long-term stability.

Removing separate hydrophilic layers eliminates break-in delays, enabling accurate ICU monitoring within 30 minutes.

A partially unbounded sample chamber uses capillary forces to draw biological fluid into the sensor for analysis.

An overflow channel directs excess blood into a reservoir, preventing overfilling and ensuring uniform distribution for accurate glucose measurements.

Segmented enzyme granules combine a stabilizing core with a deliquescent salt coating to resist environmental aggressors.

A hydrophilic layer applied to a biosensor base stabilizes test reagent distribution while excluding the electrode system to prevent signal interference.

Segmented reagent layers with upstream oxidoreductase and downstream electron mediator resolve hematocrit interference in whole blood glucose measurement.

A laminated disposable oxygen sensor reduces sample volume to 0.5 μL while maintaining measurement precision through segmented enzyme layers.

A cylindrical roller with conducting zones contacts test media tape portions sequentially to measure electrical signals without damaging thin metal layers.

Dielectric layers prevent AgCl dissolution in tissue, extending reference electrode lifetime for implantable biosensors.

A blood glucose test strip applies two-stage direct current voltages to detect hematocrit indices and calibrate original readings.

Direct electron transfer via nanomaterial electrodes removes expensive mediators and membranes to boost power density.

Cellulose polymer reagent replaces incompatible components to stabilize enzyme activity, reduce background current, and cut assay time below 35 seconds.

A membrane phase electrode filters reaction solutions to concentrate target biomolecules, generating proportional electrical signals for quantitative analysis.

Mutant hydrolase sequences overcome low brightness and non-specific binding by forming stable covalent bonds with substrates.

Segmented vent slits formed by substrate edges discharge air quickly, resolving slow sample introduction speeds in conventional biosensors.

Capillary flow device measures blood coagulation time via current changes between electrodes in an elongated reservoir.

A biosensor system applies test signals to sequential conductive patterns on sensor strips to generate code signals for calibration.

Adding aluminum oxide or smectite particles controls electrical resistance to reduce voltage drop and stabilize electromotive force generation.

A disposable electrochemical sensor strip uses a metal film coating on a conductive raw material to form an electrode.

Thick-walled substrates reduce parasitic capacitance, enabling detection of rapid ion channel currents without bandwidth restrictions.

Room temperature photopolymerization of photocurable poly(glycerol sebacate acrylate) balances mechanical strength and degradability without thermal damage.

Bacillus firmus strain XSB375 converts insoluble soil phosphates into soluble forms, increasing canola yield by 13.5% while reducing fertilizer dependency.

Macro and micro electrode pairs measure interferents to correct analyte readings against hematocrit variations.

Electrical signal detection in nanopores determines biomolecule length and sequence, overcoming optical method speed limitations.