A New Field-Effect Transistor Based Sensor for Biosensing Applications
Bibliographic record
Abstract
This paper presents a new field-effect based sensor for biosensing applications. The sensor composed of a new structure that is based on the junction field effect transistor or JFET that is a well-known electronic transistor. To prepare the JFET for biosensing and solution-based sensing, the p-type JFET is opened from one side (the n-type layer is removed) allowing applying a solution containing bio-chemical substances on top. The opened-gate area consists of silicon with a very thin layer of SiO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> , which is naturally grown on silicon when exposed to the environment. The p-type channel length between a source and drain is about 100 μm and its thickness is 1.6 μm with 1000 μm wideness. A common source design is introduced containing seven channels that further improves the sensing area (≈ 0.7 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ). To demonstrate the biomolecular sensing capability of the open-gate junction field-e ffect transistor (OG-JFET), dried-DNA is used. Experimental analysis showing a sensitivity of 30 μA/DNA-Concentration (ng/uL) for OG-JFET toward dry DNA.
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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) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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".