Stability improvement of immobilized Candida antarctica lipase B in an organic medium under microwave radiation.

Organic & biomolecular chemistry · 2004 · Benefit · Low evidence

← Research stream

BenefitLow evidencePaper 6417

Study snapshot

PublicationOrganic & biomolecular chemistry · 2004

Study typein_vitro

Reported directionBenefit

Evidence ratingLow

Abstract

The influence of microwave heating on the stability of immobilized Candida antarctica lipase B was studied at 100 degrees in an organic medium. The microwave radiation was carried out before enzymatic reaction (storage conditions) or during the enzymatic catalysis (use conditions). In both cases, enzymatic stability was higher under microwave heating than under conventional thermal heating, in strictly identical operating conditions. Furthermore, the gain of enzymatic stability under microwave heating appears to be higher in a more polar solvent, which interacts strongly with the microwave field. Our results suggest that microwave radiation has an effect, not related to temperature, on the process of enzymatic inactivation.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typein_vitro

Effect directionbenefit

PopulationNot supplied

Sample sizeNot supplied

Exposuremicrowave

Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

At 100°C in an organic medium, immobilized Candida antarctica lipase B showed higher stability under microwave heating than under conventional thermal heating under otherwise identical operating conditions, both when microwaves were applied before reaction (storage) and during catalysis (use). The stability gain appeared greater in more polar solvents, and the authors suggest a non-thermal effect on enzymatic inactivation.

Outcomes measured

Stability of immobilized Candida antarctica lipase B
Enzymatic inactivation under microwave vs conventional thermal heating
Effect modification by solvent polarity

Limitations

Microwave exposure parameters (e.g., frequency, power, SAR) not reported in the abstract
In vitro enzyme system; no human/animal health outcomes reported
Quantitative effect sizes and sample size not provided in the abstract

View raw extracted JSON

{
  "study_type": "in_vitro",
  "exposure": {
    "band": "microwave",
    "source": "microwave heating/radiation",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Stability of immobilized Candida antarctica lipase B",
    "Enzymatic inactivation under microwave vs conventional thermal heating",
    "Effect modification by solvent polarity"
  ],
  "main_findings": "At 100°C in an organic medium, immobilized Candida antarctica lipase B showed higher stability under microwave heating than under conventional thermal heating under otherwise identical operating conditions, both when microwaves were applied before reaction (storage) and during catalysis (use). The stability gain appeared greater in more polar solvents, and the authors suggest a non-thermal effect on enzymatic inactivation.",
  "effect_direction": "benefit",
  "limitations": [
    "Microwave exposure parameters (e.g., frequency, power, SAR) not reported in the abstract",
    "In vitro enzyme system; no human/animal health outcomes reported",
    "Quantitative effect sizes and sample size not provided in the abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave radiation",
    "microwave heating",
    "enzyme stability",
    "Candida antarctica lipase B",
    "immobilized enzyme",
    "organic medium",
    "solvent polarity",
    "non-thermal effect"
  ],
  "suggested_hubs": []
}

AI can be wrong. Always verify against the paper.

AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1039/b401145g
PubMed: 15034633

Read the original paper →

Related papers

← Back to the Research Library