Fabrication of a highly sensitive and selective electrochemical sensor based on chitosan-coated Fe<sub>3</sub>O<sub>4</sub> magnetic nanoparticle for determination of antibiotic ciprofloxacin and its application in biological samples
Bibliographic record
Abstract
A simple and sensitive sensor has been developed for the electrochemical determination of ciprofloxacin (CF). The proposed sensor was designed by chitosan-coated Fe 3 O 4 magnetic nanoparticle incorporated in the carbon paste electrode (CPE), which provides remarkably improved sensitivity for the electrochemical determination of CF. The proposed sensor was characterized with scanning electron microscopy and electrochemical impedance spectroscopy. Under optimum conditions, the sensor provides two linear differential pulse voltammetry responses in the range of 0.05–6 μmol/L and 6–75 μmol/L for CF with a detection limit of 0.01 μmol/L. The proposed sensor exhibited high sensitivity and good selectivity and was successfully applied for CF determination in serum and urine samples.
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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".