Catalytic Activity of TiO<sub>2</sub> Nanotubes Modified with Carbon and Pt Nanoparticles for Detection of Dopamine
Bibliographic record
Abstract
Catalytic activity of carbon/Pt nanoparticles modified TiO2 nanotubes electrode was studied by using dopamine contained solutions. The TiO2 nanotubes electrode was prepared using anodizing method in aqueous solution. The electrochemical pulse method was then applied for electrodeposition of Pt nanoparticles onto the TiO2 nanotubes. Further modification was achieved by decomposition of polyethylene glycol in a tube furnace to have a carbon/Pt nanoparticles modified TiO2 nanotubes electrode. The final modified electrode could successfully detect the electro-oxidation of dopamine in a 1mM contained solution using cyclic voltametry method. Also, a high sensitivity towards the oxidation of dopamine in a phosphate buffer solution (pH 7.00) was achieved using the carbon/Pt TiO2 nanotubes electrode. The electro-oxidation currents of dopamine were linearly related to the concentration in range of 1.0×10−6 to 3.5×10−5M. Furthermore, the modified electrode could directly distinguish the oxidation response of dopamine, ascorbic acid and uric acid in their simulations presence.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".