MétaCan
Menu
Back to cohort
Record W2037010797 · doi:10.1021/ac026438u

Picoamperometric Detection of Glucose at Ultrasmall Platinum-Based Biosensors:  Preparation and Characterization

2003· article· en· W2037010797 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueAnalytical Chemistry · 2003
Typearticle
Languageen
FieldEngineering
TopicElectrochemical sensors and biosensors
Canadian institutionsNational Research Council CanadaBiotechnology Research Institute
FundersPolytechnique Montréal
KeywordsGlucose oxidaseBiosensorChemistryReproducibilityMicroelectrodePlatinumCyclic voltammetryElectrodeDetection limitNanotechnologyEtching (microfabrication)ElectrochemistryScanning electron microscopeLayer (electronics)Analytical Chemistry (journal)Chemical engineeringChromatographyMaterials scienceComposite materialOrganic chemistry

Abstract

fetched live from OpenAlex

A simple method is described for the construction of a glucose biosensor with good reproducibility. After electrochemical etching, the sensing tip of an etched platinum microelectrode was insulated using a synthetic rubber dip coating. The insulating layer was then heat-cured, leading to a small exposed area at the very end of the etched Pt tip, as confirmed by scanning electron microscopy. Phenol and 2-allylphenol were electropolymerized to form an extra insulating layer that effectively retained glucose oxidase (GOX) on the sensing tip of the electrode. On the basis of cyclic voltammetry measurements, the apparent radius of the biosensor tip was estimated to be between 10 and 500 nm, depending on GOX loading. With operational and storage stabilities over 3 weeks, the glucose biosensor prepared using optimal GOX concentration (10 mg/mL) exhibited a picoamperometric current response within approximately 2 s and a detection limit of 20 microM with excellent reproducibility.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.035
Threshold uncertainty score0.546

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.006
GPT teacher head0.196
Teacher spread0.190 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it