{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:L3P2TRZKQUJKZ4MQVRDKKSJ4KU","short_pith_number":"pith:L3P2TRZK","schema_version":"1.0","canonical_sha256":"5edfa9c72a8512acf190ac46a5493c55308029dc007d16cde36453932ebf0e0e","source":{"kind":"arxiv","id":"1708.08963","version":1},"attestation_state":"computed","paper":{"title":"Scalable production of high sensitivity, label-free DNA biosensors based on back-gated graphene field-effect transistors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Amey Vrudhula, A. T. Charlie Johnson, Jinglei Ping, Ramya Vishnubhotla","submitted_at":"2017-08-29T18:37:36Z","abstract_excerpt":"Scalable production of all-electronic DNA biosensors with high sensitivity and selectivity is a critical enabling step for research and applications associated with detection of DNA hybridization. We have developed a scalable and very reproducible (> 90% yield) fabrication process for label-free DNA biosensors based upon graphene field effect transistors (GFETs) functionalized with single-stranded probe DNA. The shift of the GFET sensor Dirac point voltage varied systematically with the concentration of target DNA. The biosensors demonstrated a broad analytical range and limit of detection of "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1708.08963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-29T18:37:36Z","cross_cats_sorted":[],"title_canon_sha256":"7538623f0b02b1b39519c067f874e593f2a6e935d0a9d63e0f7f0820dfc33413","abstract_canon_sha256":"6792663407a058f79593a01f4d4d0120adf83d0f5d5b0df0a02c2ef90989aa73"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:21.561789Z","signature_b64":"kBjPcLYMDnBpGq6eMd87e9PjXzT1Tg6/eDN3xqgGlYPNrPNZYary79YFC8y5nzI8nEnxeDQmxf+NxS5pvIs7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5edfa9c72a8512acf190ac46a5493c55308029dc007d16cde36453932ebf0e0e","last_reissued_at":"2026-05-18T00:36:21.561097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:21.561097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scalable production of high sensitivity, label-free DNA biosensors based on back-gated graphene field-effect transistors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Amey Vrudhula, A. T. Charlie Johnson, Jinglei Ping, Ramya Vishnubhotla","submitted_at":"2017-08-29T18:37:36Z","abstract_excerpt":"Scalable production of all-electronic DNA biosensors with high sensitivity and selectivity is a critical enabling step for research and applications associated with detection of DNA hybridization. We have developed a scalable and very reproducible (> 90% yield) fabrication process for label-free DNA biosensors based upon graphene field effect transistors (GFETs) functionalized with single-stranded probe DNA. The shift of the GFET sensor Dirac point voltage varied systematically with the concentration of target DNA. The biosensors demonstrated a broad analytical range and limit of detection of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08963","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1708.08963","created_at":"2026-05-18T00:36:21.561204+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.08963v1","created_at":"2026-05-18T00:36:21.561204+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08963","created_at":"2026-05-18T00:36:21.561204+00:00"},{"alias_kind":"pith_short_12","alias_value":"L3P2TRZKQUJK","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_16","alias_value":"L3P2TRZKQUJKZ4MQ","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_8","alias_value":"L3P2TRZK","created_at":"2026-05-18T12:31:28.150371+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU","json":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU.json","graph_json":"https://pith.science/api/pith-number/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/graph.json","events_json":"https://pith.science/api/pith-number/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/events.json","paper":"https://pith.science/paper/L3P2TRZK"},"agent_actions":{"view_html":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU","download_json":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU.json","view_paper":"https://pith.science/paper/L3P2TRZK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.08963&json=true","fetch_graph":"https://pith.science/api/pith-number/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/graph.json","fetch_events":"https://pith.science/api/pith-number/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/action/storage_attestation","attest_author":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/action/author_attestation","sign_citation":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/action/citation_signature","submit_replication":"https://pith.science/pith/L3P2TRZKQUJKZ4MQVRDKKSJ4KU/action/replication_record"}},"created_at":"2026-05-18T00:36:21.561204+00:00","updated_at":"2026-05-18T00:36:21.561204+00:00"}