Cellular toxicity evaluation of helical rosette nanotubes
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Helical rosette nanotubes (HRN) are synthesized through the molecular self‐assembly of individual rosette compounds. HRN are water‐soluble and synthesized in the absence of any metals. They have a range of potential applications including drug delivery. We have evaluated the potential in vitro toxicity of the HRN‐K1 compound in the Calu‐3 pulmonary epithelial cell line. Cells were treated with: Control (media only), Lysine (25μg/cm 2 ), 2.5, 12.5, 25μg/cm 2 of HRN‐K1 (HRN with lysine residue), 200μg/cm 2 and 60μg/cm 2 of quartz. Lysine and quartz were used as controls. Cells and supernatant samples were collected for analysis at 1, 12, and 24h post‐treatment. Cell viability was determined using Trypan Blue counting and a reduction in viability was detected in the high dose quartz group only. A gel electrophoresis assay showed DNA shearing in the high dose quartz group only. Preliminary ELISA data on cell supernatant indicate the release of IL‐8 in the quartz groups and 25μg/cm 2 HRN‐K1 group at 12 & 24h compared to media‐only control. Real time quantitative Rt‐PCR has also been performed for IL‐8, TNF‐α and ICAM‐1. In conclusion, HRN‐K1 does not reduce Calu‐3 cell viability or induce DNA strand breakage, but may activate cytokine release in vitro. These results contrast studies demonstrating cytotoxicity using single‐walled carbon nanotubes in vitro . (Support: NSERC NanoIP to B.S. and CIHR Doctoral Award to W.S.J.)
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.003 | 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