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Record W4239790928 · doi:10.32920/ryerson.14652717.v1

Enhancing radiotherapy using ultrasound and microbubbles with chemotherapy

2021· preprint· en· W4239790928 on OpenAlexaff
Firas Almasri

Bibliographic record

Venuenot available
Typepreprint
Languageen
FieldEngineering
TopicUltrasound and Hyperthermia Applications
Canadian institutionsToronto Metropolitan University
Fundersnot available
KeywordsRadiation therapyMicrobubblesChemotherapyMedicineViability assayIn vivoUltrasoundProstate cancerNuclear medicineRadiologyOncologyCellUrologyCancer researchCancerInternal medicineChemistryBiology

Abstract

fetched live from OpenAlex

The application of ultrasound and microbubble (USmb) has been shown to enhance chemotherapy and radiotherapy (XRT) both in vivo and in vitro. The hypothesis guiding this research is that the combination of ultrasound and microbubbles with chemotherapy (Taxotere – TXT) improves treatment response of radiotherapy of in vitro prostate (PC3) cancer cells. USmb synergistically decreased cell viability when combined with TXT2h+XRT and XRT. Cell viability with the combined treatment (TXT2h+USmb+XRT=2%) decreased by ~28-folds, ~19-folds and ~11-folds compared to XRT alone (57%), TXT2h+XRT (37%) and USmb+XRT (22%), respectively. Cell viability with USmb+XRT (22%) decreased by ~2.5 folds compared to XRT alone. Effectiveness of the combined treatment depended on chemotherapy dose and treatment duration as well as microbubble concentration. The therapeutic application of USmb may enhance cancer cell death by chemotherapy and radiotherapy and reduce their toxic side effects.

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 score0.002
Threshold uncertainty score0.006

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.001
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0020.001

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 head0.009
GPT teacher head0.216
Teacher spread0.207 · 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

Citations0
Published2021
Admission routes1
Has abstractyes

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