Comparative Human Skin Permeation Study on Nanocarriers for Potential Transdermal Delivery of Progesterone
Bibliographic record
Abstract
This study is the first attempt to directly compare the ability of several nanocarrier formulations to deliver progesterone into the skin. Four progesterone-loaded nanocarriers; cubosomes [1], nanoliposomes [2], nanoemulsions [3] and polymeric nanomicelles [4] were formulated and characterized regarding particle size, zeta potential, % drug encapsulation, loading capacity and in-vitro release. The aim of the current investigation is to explore the feasibility of various nanocarriers to enhance the penetration of progesterone via the full thickness of human abdominal skin. Structural elucidation of each nanoplatform was performed using the Transmission electron microscope. Each nanocarrier was fabricated with a negative surface, nanometric size ( 270 nm), narrow size distribution and reasonable encapsulation capacity. The in-vitro progesterone release showed a sustained release pattern for 24 h following a non-fickian transport diffusion mechanism. Ex-vivo skin permeation, deposition ability and histopathological examination were evaluated using Franz diffusion cells.
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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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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".