Formulation and In Vivo Evaluation of Effervescent Inhalable Carrier Particles for Pulmonary Delivery of Nanoparticles
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
The purpose of this study was to evaluate the safety of a new inhalable effervescent carrier preparation containing model nanoparticles. Spray-freeze drying was used to prepare inhalable powders containing butylcyanoacrylate nanoparticles. The particle size of the nanoparticles before incorporation into the effervescent carrier and after dissolving the carrier powder was measured using laser light scattering. The particle size distribution of the effervescent carrier aerosol particles was measured using a cascade impactor. The prepared powder was tested in vivo using five Balb/c nude mice. The animals were treated with 1 mg of inhalable powder every week for 4 weeks. The body weight and morbidity score of the mice were observed over an 8-week period. The effervescent activity of the inhalable nanoparticle powder was observed when the powder was exposed to humidity. The particle size of the nanoparticles did not change significantly after spray-freeze drying. The mass median aerodynamic diameter (MMAD) of the prepared powder was 4.80 +/- 2.12 microm, which is suitable for lung delivery. The animals that were treated with effervescent powder tolerated the administration without any changes in their morbidity scores. Our pilot study demonstrates that pulmonary nanoparticle delivery via effervescent carrier particles appears safe in the present animal model.
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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 | 0.001 | 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