Modern methods for regulation nicotine containing products
Bibliographic record
Abstract
Issues of assessing the content of carbonyl compounds in the aerosol of innovative nicotine-containing products: nicotine delivery systems of various designs (LUXLITE, VON ERL My, iKuu i200) and electric tobacco heating system iQOS, by high-performance liquid chromatography/mass spectrometry. At the international level (CORESTA, ISO/TC 126), a lot of work is being done to create methods for quality control of nicotine-containing products. Requirements for nicotine-containing products are not regulated within the EAEU. The monitoring of world studies to determine the content of toxic and conditionally toxic components of aerosol NSP, carried out using the method of machine Smoking. Vniitti IS developing a methodology for comprehensive evaluation of innovative nicotine-containing products on the basis of modern methods of product quality control. Of particular interest is the determination of the content of carbonyl compounds in the aerosol generated by SDN and ESNT, which started in the laboratory of tobacco production technology within the Eurasian Economic Union. The results of machine Smoking according to the canadian intensive method, ISO method, VNIITTI method, standard and experimental CORESTA methods are analyzed. Developed testing methodology and collection of aerosol-nicotine produce using a laboratory five-CERULEAN Smoking machines SM 405. The technique of quantitative determination of carbonyl compounds using high-performance liquid chromatomass spectrometry LCMS/MS by detection at an electrospray source in the negative polarity mode on analytical equipment was validated: chromatograph Thermo Scientific Dionex UltiMate 3000 and mass spectrometer TSQ Quantiva. Validation of methods for collecting and determining the content of carbonyl compounds (formaldehyde, acetaldehyde and acrolein) in the aerosol of nicotine-containing products of various types allowed to obtain reliable data to establish the potential of innovative products to reduce the risk compared with traditional cigarettes. Experimental data on the quantitative determination of carbonyl compounds in the NSP aerosol were obtained. Further research will focus on the development of evidence-based safety requirements for innovative types of nicotine-containing products.
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.
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 | 0.007 | 0.006 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.004 | 0.002 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.002 | 0.004 |
| Insufficient payload (model declined to judge) | 0.015 | 0.011 |
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".