{"schema_version":1,"research_id":"eoa_inverse_innovation_exp03_external48_20260801","source_assessment_id":"eoa_inverse_innovation_exp03_opportunity320_20260801","cell_id":"layer_decay_and_expiration_management__chemistry_materials","selection_stratum":"HIGH_UPSIDE_RESEARCH_OPTION","search_queries":["site:nist.gov materials sample degradation storage oxidation moisture reference materials expiration stability","laboratory sample lifecycle retention disposal quarantine LIMS official documentation","materials science sample management LIMS sample status expiration provenance SampleDB","materials science physical sample tracking provenance reproducibility sample identity primary research","ISBER best practices specimen lifecycle retention destruction quarantine sample quality official PDF","official LIMS sample lifecycle expiration status audit trail disposal approval","Reproducible and Attributable Materials Science Curation Practices PDF","Lifetime Sample Tracking LiST materials science"],"sources":[{"source_id":"S01","title":"Metrological Tools for the Reference Materials and Reference Instruments of the NIST Material Measurement Laboratory","publisher":"National Institute of Standards and Technology","url":"https://doi.org/10.6028/NIST.SP.260-136-2021","source_class":"GOVERNMENT_OR_REGULATOR","publication_date":"2021-09-16","accessed_at":"2026-08-02","claims_supported":["Reference-material fitness depends on intended purpose, storage, handling, packaging and sampling practices.","Long-term stability should be assessed under proposed storage conditions.","Some organic analytes and inorganic analytes in solution can change rapidly through reactions with other constituents, matrices or packaging, while many metals and ores remain comparatively stable.","Testing every constituent for stability may be impractical, requiring material- and property-specific judgment."]},{"source_id":"S02","title":"Standard Reference Materials FAQs","publisher":"National Institute of Standards and Technology","url":"https://www.nist.gov/srm/faqs","source_class":"OFFICIAL_GUIDANCE","publication_date":"2025-03-25","accessed_at":"2026-08-02","claims_supported":["NIST assigns an expiration date when potential instability could affect fitness for purpose after a date.","Absence of an expiration date does not itself imply staleness; validity depends on handling, storage instructions and continuing NIST support.","Age alone is therefore an inadequate validity rule."]},{"source_id":"S03","title":"1910.1450 Appendix A—National Research Council Recommendations Concerning Chemical Hygiene in Laboratories","publisher":"Occupational Safety and Health Administration","url":"https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1450AppA","source_class":"GOVERNMENT_OR_REGULATOR","publication_date":"2011","accessed_at":"2026-08-02","claims_supported":["Accurate chemical inventories facilitate prudent laboratory management.","Unneeded chemicals should be discarded or returned to a storeroom.","EHS should be consulted on appropriate chemical-waste disposal methods, and incompatible wastes require separation and compatible containers.","Chemical risks and changing material states should be evaluated before handling."]},{"source_id":"S04","title":"Ten simple rules for managing laboratory information","publisher":"PLOS Computational Biology","url":"https://doi.org/10.1371/journal.pcbi.1011652","source_class":"AUTHORITATIVE_SECONDARY","publication_date":"2023-12-07","accessed_at":"2026-08-02","claims_supported":["Laboratories commonly use periodic cleanups of freezers, chemical cabinets and other storage areas to find expired or no-longer-useful supplies.","The authors describe accumulated legacy samples as costly to inventory and recommend prioritization, lifecycle statuses, retention policies and explicit discard criteria.","The guidance recommends persistent sample identifiers, parent-child lineage, expiration tracking, dedicated backup-sample locations and links between samples, people and projects.","It reports that a basic inventory can take several weeks and that adoption requires software, training, policy and user participation."]},{"source_id":"S05","title":"ISBER Best Practices for Repositories, Fifth Edition","publisher":"International Society for Biological and Environmental Repositories","url":"https://www.ihmt.unl.pt/wp-content/uploads/2024/07/ISBER-Best-Practice-2023-5th-edition.pdf","source_class":"OFFICIAL_GUIDANCE","publication_date":"2023","accessed_at":"2026-08-02","claims_supported":["Repository practice already combines persistent identification, lifecycle tracking, chain of custody and inventory records.","Quality control can occur during retention and before distribution; material that fails predefined fitness criteria can be withdrawn from distribution.","The guidance specifies environmentally controlled quarantine, documented lifecycle locations and statuses, retention criteria, regularly scheduled inventory review, stakeholder and regulatory consideration, approvals for disposal, authorized personnel and archival records of final disposition.","Legacy collections should be assessed for provenance, quality, research value, permissions, costs and continued retention, transfer or disposal.","Quality-control assays, repository operations, transfer and disposal require explicit resources and budget planning."]},{"source_id":"S06","title":"Manage Sample Status","publisher":"LabKey","url":"https://www.labkey.org/limshelp/wiki-page.view?name=sampleStatus","source_class":"OFFICIAL_PRODUCT_DOCUMENTATION","publication_date":"n.d.","accessed_at":"2026-08-02","claims_supported":["An implemented LIMS supports configurable sample states, including available, consumed and locked states.","Locked states prevent operational actions and can later be reversed by an administrator.","Sample and storage status are separately represented, and status changes can be audited with reasons."]},{"source_id":"S07","title":"Sample Expiration","publisher":"LabKey","url":"https://www.labkey.org/limshelp/wiki-page.view?name=sampleExpiration","source_class":"OFFICIAL_PRODUCT_DOCUMENTATION","publication_date":"n.d.","accessed_at":"2026-08-02","claims_supported":["An implemented LIMS provides sample-type expiration fields, warnings, filters and reports for expired or soon-to-expire materials.","Expiration data can be hidden without deletion and restored to view later."]},{"source_id":"S08","title":"SampleDB 0.33.1 Documentation","publisher":"PGI/JCNS Scientific IT-Systems, Forschungszentrum Jülich","url":"https://scientific-it-systems.iffgit.fz-juelich.de/SampleDB/","source_class":"OFFICIAL_PRODUCT_DOCUMENTATION","publication_date":"2026","accessed_at":"2026-08-02","claims_supported":["A materials-oriented system already tracks samples from creation through long-term storage and links samples to processing, measurements and publications.","Configurable schemas, advanced searches, permissions, location logs, storage capacities, labels, activity logs and APIs provide much of the proposed register infrastructure.","A minimal open-source deployment can use SampleDB and PostgreSQL containers, although configuration and governance labor remain necessary."]         			}       		]        , "problem_evidence":{"support":"MODERATE","rationale":"The physical mechanism is well supported: NIST shows that stability and fitness depend on material, property, packaging, storage and intended use, with some analytes changing rapidly while others remain stable; this also validates the candidate's warning that age is only a review signal. OSHA and laboratory-management guidance recognize inventory accumulation and disposal needs, and a materials-science case study identifies reproducibility and provenance gaps. No located source quantifies mistaken reuse, controlled-storage burden or reconstruction loss in aging materials-sample libraries, so prevalence and realized impact remain unverified.","source_ids":["S01","S02","S03","S04"]},"stakeholder_evidence":{"support":"MODERATE","rationale":"Operational pull is indicated by formal repository best practices, mature LIMS expiration/status functions and a materials-oriented SampleDB implementation. These demonstrate that laboratory managers, custodians, safety staff and researchers act on closely related needs. No source establishes willingness to adopt the full proposed composition in a target materials laboratory or supplies a prospective adopter commitment.","source_ids":["S03","S04","S05","S06","S07","S08"]},"prior_art":{"proximity":"SUBSTANTIAL_COLLISION","closest_analogues":[{"name":"ISBER Best Practices for Repositories, Fifth Edition","similarity":"This is the closest practice-level analogue. It combines specimen lifecycle records, persistent identity, condition and fitness-for-purpose QC during retention and before distribution, withdrawal of failing specimens, controlled quarantine, stakeholder and regulatory review, approved disposal, periodic retention review, provenance assessment and documented final disposition.","remaining_difference":"It primarily governs biological and environmental repositories. Its quarantine guidance is principally for intake discrepancies, and the located text does not demonstrate the candidate's exact materials-laboratory composition of inferred staleness plus non-biological condition signals, explicit downstream experiment dependency resolution, active-versus-cheaper storage tiering, and a reversible pre-destruction quarantine evaluated against invalid-selection and occupancy outcomes.","source_ids":["S05"]},{"name":"Ten simple rules for managing laboratory information","similarity":"The guidance explicitly addresses accumulated samples in freezers and chemical cabinets, LIMS expiration alerts, lifecycle statuses, lineage, retention policies, discard criteria and separate storage of critical backups.","remaining_difference":"It does not provide a measured-condition validity gate, formal hold and disposal-approval workflow, dependency adjudication, reversible disposition state or comparative evaluation protocol.","source_ids":["S04"]},{"name":"LabKey Sample Manager expiration and status functions","similarity":"The implemented product supports expiration dates, configurable available/locked/consumed states, action gating, reversible unlocking, storage status and reasoned status changes.","remaining_difference":"The located documentation does not show material-specific degradation models, measured fitness checks, uniqueness or dependency review, tier-selection rules, disposition approvals or quarantine-before-destruction governance.","source_ids":["S06","S07"]},{"name":"SampleDB","similarity":"This materials-oriented platform already provides configurable sample metadata, lifecycle and lineage tracking, locations, storage capacities, permissions, labels, logs, searches and links to measurements and publications.","remaining_difference":"The located documentation does not establish automatic or rule-based validity gating, condition-driven withdrawal from routine selection, dependency-aware retention, reversible disposition quarantine or governed destruction.","source_ids":["S08"]}],"distinctive_claim_remaining":"The remaining testable claim is narrow: for heterogeneous non-biological materials samples, adding material-specific measured-condition and storage-history rules, explicit uniqueness and downstream-dependency checks, storage-tier routing, and reversible pre-destruction quarantine to an expiration-and-status LIMS will outperform expiration/status plus ordinary retention policy in preventing selection of unfit or superseded samples and identifying safe active-tier reductions, without exceeding a 5% false-stale rate or increasing unresolved-dependency and retrieval risks.","confidence":"HIGH"},"implementation_evidence":{"support":"MODERATE","rationale":"Existing products and guidance demonstrate the feasibility of lifecycle metadata, lineage, configurable states, access gating, reversible locks, expiration reporting, storage-location tracking, quarantine and approval records. The unresolved implementation burden is scientific rather than basic software: heterogeneous materials require property-specific fitness definitions and validated, sometimes consumptive condition assays; legacy identities and informal dependencies may remain irreducible.","source_ids":["S01","S04","S05","S06","S07","S08"]},"scores":{"meaningful_impact":{"score":4,"rationale":"Material degradation can invalidate properties relevant to intended use, and unmanaged inventories create safety and reproducibility concerns. Avoiding misleading reuse or destruction of unique evidence could be consequential, but target-library prevalence and effect size are not quantified.","source_ids":["S01","S02","S03","S04"]},"stakeholder_pull":{"score":3,"rationale":"Formal guidance and implemented LIMS and materials-sample platforms demonstrate sustained demand for inventory, status, retention and provenance controls. There is no verified adopter commitment for the full intervention.","source_ids":["S04","S05","S06","S07","S08"]},"incremental_advantage":{"score":2,"rationale":"Most core mechanisms already appear across ISBER practice, general laboratory-management guidance and configurable LIMS. Advantage remains plausible only for the integrated non-biological condition rules, dependency review, tiering and reversible disposition comparison.","source_ids":["S04","S05","S06","S07","S08"]},"distinctiveness_plausibility":{"score":2,"rationale":"The bounded search found substantial collision with established repository practice and existing software. A narrow materials-specific composition remains unverified rather than established as distinctive.","source_ids":["S04","S05","S06","S07","S08"]},"technical_implementability":{"score":4,"rationale":"Registers, labels, lineage, logs, storage locations, configurable states, expiration alerts, quarantine and access controls are implemented practices. Material-specific assays, legacy identity reconciliation and dependency inference prevent a maximum score.","source_ids":["S01","S05","S06","S07","S08"]},"adoption_authority_feasibility":{"score":4,"rationale":"External guidance assigns inventory and policy functions to laboratory or repository management, requires stakeholder and regulatory consideration, and directs consultation with EHS for disposal. Site-specific ownership and hold rules still require confirmation.","source_ids":["S03","S04","S05"]},"evidence_readiness":{"score":4,"rationale":"A shadow comparison can use existing inventory/status infrastructure and compare measured-condition or blinded-custodian judgments across explicit baselines without moving or destroying samples. Ground-truth fitness tests must be defined separately by material class.","source_ids":["S01","S04","S05","S06","S07","S08"]},"safety_net_benefit":{"score":5,"rationale":"Reversible metadata gating and quarantine before irreversible disposal directly reduce accidental depletion and loss. Repository guidance independently supports quarantine, approvals, retained disposition records and careful review of legacy provenance and value.","source_ids":["S03","S05","S06"]},"scalability":{"score":3,"rationale":"Existing systems scale lifecycle metadata and tracking, but NIST evidence shows that stability varies sharply by material, analyte, matrix, packaging and intended property. Rules and assays therefore cannot be transferred mechanically across materials classes.","source_ids":["S01","S08"]}},"score_confidence":"MODERATE","costs":{"first_evidence":{"band_2026_usd":"10K_TO_50K","scope":"One pre-registered, non-deployment shadow study of at most 200 samples in one storage unit: identity and lineage reconciliation, dependency interviews, three-way classification, blinded review, approved non-destructive or minimally consumptive condition checks on a stratified subset, analysis and EHS coordination. No sample moves or destruction.","confidence":"MODERATE","assumptions":["Existing staff, inventory data, storage and approved analytical methods are available.","Approximately 40 to 60 samples receive condition checks rather than all 200.","No custom analytical-method validation or high-hazard container handling is required.","The estimate includes laboratory, data, custodian, EHS and evaluation labor."],"source_ids":["S01","S04","S05","S08"]},"initial_deployment_startup":{"band_2026_usd":"50K_TO_250K","scope":"One materials laboratory: legacy-data reconciliation, lifecycle and dependency schema configuration, LIMS or SampleDB extension, labels and access controls, quarantine-space qualification, SOPs, training, EHS and custodian governance, validation and initial evaluation.","confidence":"LOW","assumptions":["An existing LIMS or open-source platform is extended rather than replaced.","No regulated-enterprise validation program or new hazardous-storage facility is required.","Material classes are limited enough to define fitness rules with existing expertise.","The band includes software, integration, laboratory, data, safety, governance and evaluation labor."],"source_ids":["S05","S06","S07","S08"]},"operational_launch":{"band_2026_usd":"50K_TO_250K","scope":"Controlled launch across one laboratory's active storage units, including inventory review, exception and dependency adjudication, condition testing, authorized tier moves, quarantine management, retrieval drills and comparative launch evaluation; irreversible bulk disposal is excluded.","confidence":"LOW","assumptions":["Launch remains limited to one laboratory.","Existing controlled storage can provide a compatible quarantine area and lower-cost tier.","Most samples can be assessed without custom methods or unsafe container handling.","The estimate includes coordination, EHS oversight, software support and evaluation."],"source_ids":["S01","S03","S05","S08"]},"annual_recurring":{"band_2026_usd":"50K_TO_250K","scope":"Annual operation for one laboratory: scheduled review, material-specific revalidation, metadata maintenance, dependency and hold adjudication, quarantine and archive management, storage, retrieval drills, software support, training, EHS review and performance audit.","confidence":"LOW","assumptions":["Testing intensity and review frequency remain moderate.","No major new controlled-storage facility or dedicated round-the-clock team is required.","Recurring work is shared among laboratory, scientific-custodian, data and EHS roles.","The retained archive remains within existing or modestly adapted capacity."],"source_ids":["S01","S03","S05","S08"]}},"verified_pipeline_gates":{"externally_supported_problem":{"status":"YES","reason":"Independent official and research sources support material-specific storage degradation, the inadequacy of age alone, inventory accumulation, safety controls and reproducibility/provenance gaps. Local prevalence and magnitude remain unmeasured.","source_ids":["S01","S02","S03","S04"]},"externally_credible_adopter_or_authorizer":{"status":"YES","reason":"Repository guidance and laboratory-management practice identify management or custodial governance, affected end-users and safety oversight; OSHA directs EHS consultation for disposal, while implemented systems show credible operational adopters.","source_ids":["S03","S04","S05","S06","S08"]},"distinct_testable_incremental_claim":{"status":"YES","reason":"After prior-art review, the claim can be restricted to whether material-specific condition and dependency gating plus reversible disposition outperforms expiration/status and conventional retention policy on false-stale, selection and occupancy outcomes.","source_ids":["S04","S05","S06","S07","S08"]},"bounded_next_evidence_step":{"status":"YES","reason":"A 200-sample, one-unit, shadow-mode three-way comparison is bounded, non-destructive and has explicit comparative and falsification criteria.","source_ids":["S01","S04","S05"]},"no_unresolved_safety_or_authority_stop":{"status":"YES","reason":"The next step changes no physical custody or availability state, permits only already-approved condition checks, gives EHS and custodians veto authority, and stops on unsafe containers, identity conflict or unresolved holds. Existing guidance supports risk assessment, EHS consultation and authorized disposal governance.","source_ids":["S03","S05"]},"credible_cost_scope_and_range":{"status":"UNCERTAIN","reason":"The bands include labor, assays, software, storage, coordination, safety, governance and evaluation, and published guidance confirms these resource categories. No site-specific wage, assay-volume, integration, compliance or quarantine-capacity data were located, so the ranges remain assumption-driven.","source_ids":["S01","S04","S05","S08"]}},"next_evidence_step":"Pre-register a non-deployment shadow study on at most 200 samples from one storage unit. Compare: A) current local practice; B) the closest-prior-art baseline of expiration date, configurable availability status and documented retention policy; and C) the full proposed condition-, uniqueness-, hazard- and dependency-gated rule. Have blinded material-domain custodians adjudicate intended-use fitness and dependencies, and use only existing approved non-destructive or minimally consumptive condition checks on a stratified subset. Compare false-stale and false-active classifications, unresolved dependencies, predicted routine-selection opportunities, eligible active-tier occupancy and estimated retrieval burden. Do not move, hide, quarantine or destroy samples. Falsify the incremental claim if C does not improve false-active detection or eligible occupancy over B, if its false-stale rate exceeds 5%, or if dependency uncertainty or predicted retrieval burden materially worsens; halt on identity conflict, unsafe container condition or any hold.","blocking_evidence":["Target-site prevalence of mistaken reuse, superseded-sample selection, controlled-storage constraint and reconstruction loss.","Material-class-specific definitions of fitness for intended use and validated condition-check methods.","Blinded estimates of sensitivity, specificity and error concentration for the proposed rules versus expiration/status prior art.","Reliable identification of informal downstream dependencies, uniqueness, ownership and investigation or compliance holds.","Site-specific EHS authority, quarantine compatibility, container-condition and handling assessment.","Site-specific labor, assay, software-integration, storage and compliance resource data."],"research_disposition":"PRIOR_ART_DIFFERENTIATION_STUDY","world_novelty_boundary":"This conclusion is limited to a bounded search of NIST and OSHA guidance, repository standards and best practices, laboratory-management literature, materials-oriented sample systems and LIMS documentation. It found substantial prior-art overlap and leaves only a narrow testable materials-specific composition. It does not establish patentability, freedom to operate or world novelty, and unsearched institutional SOPs, commercial configurations, patents and non-public materials-laboratory systems may be closer."}