Direct Modification of a Gold Electrode with Aminophenyl Groups by Electrochemical Reduction of in Situ Generated Aminophenyl Monodiazonium Cations
Why this work is in the frame
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Bibliographic record
Abstract
Aminophenyl groups were electrochemically grafted at the surface of a gold electrode by reduction of in situ generated aminophenyl monodiazonium cations. The in situ aminophenyl monodiazonium cations were generated by reaction of 1 equiv of p -phenylenediamine with 1 equiv of sodium nitrite in 0.5 M HCl, and their formation was confirmed by gas chromatography−mass spectrometry. The presence of aminophenyl groups at the surface of the gold electrode was demonstrated by electrochemistry and infrared and X-ray photoelectron spectroscopies. The formation of an inhomogeneous multilayered film was also evidenced by atomic force microscopy. Furthermore, grafted aminophenyl groups present at the gold electrode surface reacted with trifluoroacetic acid anhydride in dry tetrahydrofuran with a reaction yield of about 75% for the trifluoroacetylation of the amine groups.
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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 it