Stimulating Multiple SERS Mechanisms by a Nanofibrous Three-Dimensional Network Structure of Titanium Dioxide (TiO<sub>2</sub>)
Bibliographic record
Abstract
A unique 3-D nanostructure is generated from pure Ti by a pulsed femtosecond laser. The resulting crystalline TiO 2 nanofibers in a 3-D nanonetwork were found to be significant contributors to surface-enhanced Raman spectroscopy (SERS). Overall, the analytical enhancement factor was calculated to be 1.3 × 10 6 based on a crystal violet dye. Based on our best knowledge as well as SEM, TEM, EDX, and AFM studies, high Raman activity may be occurring by multiple mechanisms including nanogap, nanocluster, and plasmonic hybridization. This important result rivals silver (Ag) and gold (Au) as the most popular SERS substrates. The novelty of our presented work implies a potential approach to prepare traditionally inactive substrates for Raman biomolecular sensing and chemical detection studies.
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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".