{"public_id":"cl_9797b61b021f6611e04252d833e95069","status":"active","superseded_by_public_id":null,"corpus_id":237615167,"text":"The calibration curve was linear from 2 to 1000 ng/mL with correlation coefficient greater than 0.99, and carry-over, matrix effect, extraction recovery, dilution effect, precision, and accuracy met acceptable limits.","confidence":0.98,"paper":{"corpus_id":237615167,"title":"A rapid and sensitive LC-MS/MS method for the determination of vanillic acid in rat plasma with application to pharmacokinetic study.","url":"https://sah.borca.ai/papers/237615167"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.98,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_abd5f00764113f351199c71af6248656","name":"FDA guidelines","description":"Regulatory bioanalytical validation criteria used to assess the method.","types":["guideline"],"url":"https://sah.borca.ai/concepts/co_abd5f00764113f351199c71af6248656"},{"public_id":"co_d8b75613c4142143b2bce84cf183cfeb","name":"matrix effect","description":"Interference from co-eluting plasma components that can alter mass spectrometric response.","types":["analytical validation parameter"],"url":"https://sah.borca.ai/concepts/co_d8b75613c4142143b2bce84cf183cfeb"},{"public_id":"co_f629faeb848927aca1886e58f08253d0","name":"calibration curve","description":"The quantitative relationship between vanillic acid concentration and instrument response.","types":["measurement calibration"],"url":"https://sah.borca.ai/concepts/co_f629faeb848927aca1886e58f08253d0"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_9797b61b021f6611e04252d833e95069"}