Nano‐Scale Particle Separation with Tilted Standing Surface Acoustic Wave: Experimental and Numerical Approaches
Why this work is in the frame
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Bibliographic record
Abstract
Abstract To eliminate the precise microchannel alignment requirement for parallel surface acoustic wave (pSSAW) fabrication, a tilted standing surface acoustic wave (tSSAW) is incorporated in many studies recently. In tSSAW, the microchannel is tilted at a specific angle (θ) instead of being parallel to interdigital transducer fingers. This causes the pressure node lines to be formed in the tilted direction to the fluid flow, which leads to better controllability in the separation or manipulation of the particles and higher efficiency. In this study, we developed a three‐dimensional (3D) finite element analysis (FEA) simulation to study the effect of the tSSAW device parameters to maximize its performance in particle separation. The outcomes of the 3D simulation of tSSAW devices indicate that the optimum values of the microchannel tilt angle (θ) and the aperture length must be between 5° ≤ θ ≤ 15° and the same as the microchannel length, respectively. The optimum values are considered in the fabrication of the tSSAW device, where it is tested with 20 μm, 15 μm, and 600 nm polystyrene particles.
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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