Lipid Bilayer Preparation on Hydrophilically Modified Gold Electrode
Bibliographic record
Abstract
The Au(111) electrode surface was modified by deposition of a self-assembled hydrophilic monolayer of thioglucose. A combination of Langmuir-Blodgett (LB) and Langmuir-Schaefer (LS) techniques was then used to deposit a lipid bilayer containing cholesterol (Chol) 30 mol%, 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-methoxy(polyethyleneglycol)-2000 (Lipid-PEG-2000) (6 mol%) and dimyristoylphophatidylcholine (DMPC) 64 mol% the thioglucose modified gold surface. Compression isotherms were recorded at the air-solution interface to determine the best conditions for the transfer of the (DMPC/Lipido-PEG-2000/Chol) and (DMPC/Chol) monolayers onto the metal electrode surface. The LB transfer of DMPC/Lipid-PEG-2000/Chol was carried out at surface pressure π = 20 mN m-1(30 oC) corresponding to liquid condensed phase of lipids. The bilayer was completed with the outer leaflet of DMPC/Chol transferred by the Langmuir Schaefer method at π = 40 mN m-1. The capacitance of the gold electrode covered by the bilayer was measured. At a single frequency the value of ~ 3.5 μF cm2 was obtained. This value indicates that the bilayer was deposited onto the electrode and that this architecture can be used for further biomimetic studies.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| 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 | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.003 |
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 source (direct Gemma or distilled Codex), 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".