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Record W4281778709 · doi:10.47611/jsrhs.v10i4.2207

A Novel Approach to Bio-Friendly Microplastic Extraction with Ascidians

2022· article· en· W4281778709 on OpenAlex

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of Student Research · 2022
Typearticle
Languageen
FieldEnvironmental Science
TopicMicroplastics and Plastic Pollution
Canadian institutionsUniversity of British ColumbiaBurnaby Hospital
FundersDirectorate for Biological Sciences
KeywordsMicroplasticsPlastic pollutionEnvironmental scienceFiltration (mathematics)Extraction (chemistry)PollutionEnvironmental chemistryBiofilterBiofoulingFilter (signal processing)Pulp and paper industryEnvironmental engineeringBiologyEcologyChemistryChromatographyMembraneEngineering

Abstract

fetched live from OpenAlex

Microplastic pollution in water is now recognized as a devastating problem by many organizations, such as the National Oceanic and Atmospheric Administration, with recent studies estimating that the average American consumes around 52,000 of these plastic, toxic particles a year. A successful solution for the extraction of microplastics from oceans must be feasible to be implemented on a large scale and bio-friendly to not further disrupt the environment. To this end, the efficacy of using filter feeders (Ascidians) as biofilters to reduce microplastic pollution was explored. The efficacy of this filtration method was evaluated by adding ascidians to saltwater tanks contaminated with microplastics (experimental group) and comparing the water’s plastic concentration over time against a control. Water samples were then systematically tested with a fluorescence-activating microscope and fluorescent scanner. Fluorescent microplastics were used which allowed for the collection of both quantitative and qualitative data. The samples from the experimental group demonstrated a 24.7% (29.64mg) reduction in microplastics within the first day and a 94.7% (113.64mg) decrease by day 4. The control group showed negligible deviation in microplastic concentration. It is concluded that the Ascidians filtered microplastics from water through their natural feeding and respiratory process. We extrapolate that a 1m x 1m x 1m cage of Ascidians would filter approximately 300g of microplastics every day. This research demonstrates that microplastic filtration with invertebrate filter feeders is an effective and feasible option for extracting microplastics from polluted water.

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 imitation

Not 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.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.751
Threshold uncertainty score0.972

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0010.000

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 head0.060
GPT teacher head0.343
Teacher spread0.282 · 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