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Evaluation of the Nano-Confined Catalytic Oxidation Technology for Air Purification and Odor Reduction

2012· article· en· W2085469802 on OpenAlexaff
Amy Leung, Ezra Kwok

Bibliographic record

VenueAdvanced materials research · 2012
Typearticle
Languageen
FieldEnvironmental Science
TopicAir Quality and Health Impacts
Canadian institutionsUniversity of British Columbia
FundersNational Centers for Coastal Ocean Science
KeywordsAir purifierOdorAir purificationHydrogen sulfideEnvironmental scienceWaste managementAir pollutionOzoneAir quality indexTolueneEnvironmental engineeringMaterials scienceChemistryEngineeringMeteorologyMetallurgyPhysicsOrganic chemistry

Abstract

fetched live from OpenAlex

Air pollution has a significant impact of human health. As modern individuals spend most of the day in tightly insulated buildings, there is a strong need for strategies to improve the quality of indoor air. A number of air cleaning methods ranging from simple filtration to photonic technologies have been used in commercial and residential air purifiers. Recently, a novel technology called Nano-Confined Catalytic Oxidation (NCCO) has been developed. In this study, the potential of NCCO versus two other commonly-used air purifiers to reduce odor nuisances caused by ammonia, toluene and hydrogen sulfide is evaluated. Twenty volunteers are asked to evaluate the odor levels before and after air purification, in a safe, controlled environment. The changes in odorant concentrations are also measured. The findings suggest that the NCCO-based air purifier outperforms the two other common residential air purifiers.

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 imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.001
Threshold uncertainty score0.002

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.148
GPT teacher head0.441
Teacher spread0.293 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations4
Published2012
Admission routes1
Has abstractyes

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