{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"anchoring_reset__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["residual crystals vessel previous batch polymorph seeding hot filtration crystallization","polymorph seed memory cross contamination crystallization vessel history disappearing polymorph","polymorph screening parallel vials unseeded seeded hot filtration PXRD DSC","crystallization polymorph seeding cleaning residual particles standard practice"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["disappearing polymorph unintentional seeding laboratory contamination","crystal-form inheritance heterogeneous nucleation residual seed","polymorph control batch seeded crystallizer","target polymorph seed competing nucleation"],"source_ids":["SRC1","SRC3"],"no_result_note":null},"products_practices_and_standards":{"queries":["first party product parallel polymorph screening sealed vials crystallization seeding","automated polymorph screening platform filtration crystallization vials","heated filter block particle-free polymorph screening sealed vial Raman","FDA Q6A polymorphism X-ray diffraction thermal analysis guidance"],"source_ids":["SRC2","SRC4"],"no_result_note":null},"component_combination":{"queries":["polymorph screen seeded and unseeded experiments same solution","competitive seeding candidate polymorphs parallel crystallization vials","different polymorph seeds batch cooling crystallization XRPD","hot filtration sealed cells polymorph screening"],"source_ids":["SRC2","SRC3","SRC4"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Disappearing Polymorphs Revisited","publisher":"Wiley-VCH, Angewandte Chemie International Edition","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4479028/","source_type":"SECONDARY_RESEARCH","claims_supported":["Microscopic product crystals can contaminate laboratory or manufacturing environments and unintentionally seed later crystallizations.","Once a crystalline form has been handled, airborne or equipment-borne seeds cannot be casually excluded as an explanation for changed polymorphic outcomes.","Aggressive unintentional seeding is system-dependent, so each material requires individual experimental study rather than assuming seed causality."]},{"source_id":"SRC2","title":"Formulation & Polymorph Screening","publisher":"Unchained Labs","url":"https://www.unchainedlabs.com/formulation-and-polymorph-screening/","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["A commercial screening platform already combines heated liquid dispensing with a heated filter block to remove nucleating solids before small-scale polymorph screening.","The platform supports multiple independently controlled crystallizations, sealed formats, precise solid dosing, and direct XRD, Raman, or imaging workflows.","The vendor explicitly identifies nucleator presence as a source of irreproducible crystallization and provides particle-free heated-transfer functionality."]},{"source_id":"SRC3","title":"Polymorph Control in Batch Seeded Crystallizers: A Case Study with Paracetamol","publisher":"Royal Society of Chemistry","url":"https://pubs.rsc.org/en/content/articlehtml/2019/ce/c8ce01428k","source_type":"PRIMARY_RESEARCH","claims_supported":["Seeded cooling crystallization and analytical monitoring are established methods for investigating polymorph formation.","Adding the target polymorph does not necessarily yield that form because competing nucleation and operating conditions can determine the outcome.","Temperature, agitation, supersaturation, nucleation, and growth remain plausible competing explanations that controls must separate from seed effects."]},{"source_id":"SRC4","title":"Q6A Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products: Chemical Substances","publisher":"U.S. Food and Drug Administration","url":"https://www.fda.gov/regulatory-information/search-fda-guidance-documents/q6a-specifications-test-procedures-and-acceptance-criteria-new-drug-substances-and-new-drug-products","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Different crystalline forms can differ in physical properties and may affect product performance, bioavailability, or stability.","X-ray powder diffraction, thermal analysis, Raman spectroscopy, microscopy, and related methods are recognized approaches for detecting and characterizing polymorphic forms.","When solid form affects performance, appropriate monitoring and control should be considered."]}],"problem_evidence":{"status":"SUPPORTED","finding":"Residual or environmental crystals are a documented source of unintentional seeding and can make a previously accessible polymorph difficult to reproduce. Commercial screening practice also treats particle-borne nucleators as a cause of irreproducibility. The evidence supports the problem's visibility, while SRC1 and SRC3 caution that seed memory is material-specific and must be separated experimentally from spontaneous nucleation, process conditions, and phase transformation.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"closest_prior_art":[{"name":"Unchained Labs Stuntman particle-free polymorph-screening workflow","source_ids":["SRC2"],"overlap":"Combines heated dissolution-compatible dispensing, heated filtration for nucleator removal, sealed small-scale crystallizations, multiple controlled conditions, precise solid dosing, and direct solid-form analysis.","remaining_difference":"The retained description does not specify a causal vessel-history comparison, recovery and diffraction of suspected inherited residue, matched unseeded versus equal-mass alternative-polymorph seed arms, or cleanup tracing of upstream seed carriers."},{"name":"Established seeded batch polymorph-control experiments","source_ids":["SRC3"],"overlap":"Uses characterized target-polymorph seeds, controlled cooling conditions, replication, and analytical monitoring to test and control polymorphic outcomes while recognizing competing nucleation.","remaining_difference":"It does not begin with a verified seed-erasure and inherited-history control, nor compare several candidate polymorph templates in physically isolated cells as a diagnostic of carryover."},{"name":"Disappearing-polymorph and unintentional-seeding controls","source_ids":["SRC1"],"overlap":"Recognizes microscopic seed contamination of laboratories and plants as a mechanism by which later crystallizations inherit a solid form and motivates uncontaminated or individually controlled experiments.","remaining_difference":"The review establishes the phenomenon but not the proposal's integrated residue-recovery, hot-filtration, isolated-cell, alternative-seed, and downstream-carrier test design."},{"name":"ICH/FDA solid-form characterization practice","source_ids":["SRC4"],"overlap":"Establishes the relevance of polymorphic form and supports powder diffraction and thermal analysis as appropriate characterization methods.","remaining_difference":"It does not prescribe the proposed seed-memory reset apparatus or its causal control structure."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"Relative to established particle-free polymorph screening and ordinary seeded crystallization, the remaining testable distinction is that a single homogeneous solution subjected to verified seed erasure will show a reproducible vessel-history effect in untreated controls, loss or reduction of that effect in physically isolated unseeded cells, and candidate-seed-specific phase distributions in matched equal-mass seeded cells, with the suspected inherited form also detected in recovered upstream residue. The novelty boundary lies in this integrated causal diagnostic and carrier trace, not in hot filtration, parallel screening, seeding, PXRD, thermal analysis, or sealed-vial operation individually.","contrastive_claim_falsifier":"The contrast disappears if opened prior art specifies the same integrated vessel-history, residue-identification, seed-erasure, isolated unseeded, matched alternative-polymorph-seed, and upstream-carrier-cleanup comparison. Experimentally, it is falsified if validated residue removal leaves phase distributions unchanged across vessel histories and alternative verified seeds, or if any apparent effect is explained by degradation, filter or vessel surface chemistry, unequal seed quality, or solvent-mediated equilibrium conversion.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered direct phrasing, disappearing-polymorph and unintentional-seeding terminology, commercial screening systems, official solid-form guidance, seeded-crystallizer research, and component combinations. Exactly four opened sources from four publishers were retained, including primary research, official guidance, and a first-party product source.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Unintentional microscopic seeding and environment or equipment contamination are documented, and commercial practice explicitly removes nucleating particles to improve polymorph-screen reproducibility.","source_ids":["SRC1","SRC2","SRC3"]},"distinct_testable_claim":{"status":"PASS","rationale":"Although most apparatus and method components are established, the retained sources do not disclose the full causal comparison linking vessel history and characterized residue to seed-erased isolated cells and matched alternative-polymorph seeds. Its predicted phase-distribution pattern is falsifiable.","source_ids":["SRC1","SRC2","SRC3"]},"bounded_next_test":{"status":"PASS","rationale":"A two-gram, benchtop comparison using one homogeneous solution, untreated-history controls, at least twelve isolated filtered cells, verified seed arms, residue recovery, PXRD, optional thermal analysis, and predefined interpretation failures is narrow and technically measurable. Existing small-scale platforms and recognized analytical methods support feasibility.","source_ids":["SRC2","SRC3","SRC4"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No categorical authority or safety prohibition was found for a contained small-scale crystallization comparison. Execution remains conditional on compound-specific stability, solvent and filter compatibility, pressure-rated containment, laboratory-safety approval, and exclusion of production or product-release changes; failure of any condition stops the test.","source_ids":["SRC2","SRC4"]}},"screen_survival":true,"world_novelty_boundary":"This bounded public-web screen supports only an adjacent-prior-art disposition and a surviving contrastive experiment. It does not establish world novelty, patentability, freedom to operate, market size, expert acceptance, regulatory acceptability for a specific material, effect size, scalability, or realized value."}