Collagen derived from a giant African snail (Achatina achatina) for biomedical applications
Bibliographic record
Abstract
Achatina achatina (AA) is a rich source of collagen due to its large size, but it is underutilized. Type I collagen was extracted from AA to serve as an alternative to existing collagen sources. The collagen was extracted at varying alkaline and temperature conditions to determine the optimal parameters that would give a high yield of acid-soluble collagen. The extracted collagen was characterised using X-ray diffraction, Fourier transform infrared (FTIR) spectrometry, thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC) to confirm the integrity and purity of the extracted collagen. The type of collagen was determined using sodium dodecyl sulphate-polyacrylamide gel electrophoresis. The α-1, α-2, and dimer electrophoresis bands confirmed that the collagen is type I, and the XRD data supported the findings. The highest collagen yield was obtained at 4 ℃ for 48 h, which decreased with increasing temperature due to the instability of the protein in acid at high temperatures. A cytotoxicity test was conducted using an Alamar blue assay. The AA collagen-treated normal prostate cell line (PNT2) showed no significant difference from the untreated control cells. The high-quality type I collagen extracted from AA has the potential for biomedical and other industrial applications.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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".