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Record W2288797545

A Novel Drug Delivery System: Adenosine-Loaded Chitosan Nanoparticles

2013· dissertation· en· W2288797545 on OpenAlexvenueno aff
Marla Reid

Bibliographic record

VenueLibrary and Archives Canada (Government of Canada) · 2013
Typedissertation
Languageen
FieldPharmacology, Toxicology and Pharmaceutics
TopicAdvanced Drug Delivery Systems
Canadian institutionsnot available
Fundersnot available
KeywordsChitosanDrug deliveryAdenosineNanoparticleDrugNanotechnologyChemistryPharmacologyMaterials scienceMedicineBiochemistry
DOInot available

Abstract

fetched live from OpenAlex

Adenosine is currently limited in its application as a treatment for various cancers since intravenous infusion has not been successful due to enzymatic degradation. Entrapment/association of adenosine into chitosan nanoparticles offers a possible solution to this problem. Chitosan nanoparticles which are formed by ionotropic gelation. \n\nThe size, zeta potential, morphology, entrapment efficiency, and in vitro drug release were investigated. In the swollen state, nanoparticle had an average size between 425 to 515 nm and a positive zeta potential, as measured by dynamic light scattering. Particle size measured by transition electron microscopy varied between 135 to 183 nm. Average entrapment efficiency in the range of 72 to 78% was achieved depending on initial adenosine loading and an average association efficiency of 84%. Release studies show that more than 98% of the adenosine remained entrapped/associated with the chitosan nanoparticles for at least 120 hours in PBS (pH 7.4).

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 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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
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 score0.102
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
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 head0.015
GPT teacher head0.240
Teacher spread0.225 · 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 teacher head, not a consensus.

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
Published2013
Admission routes1
Has abstractyes

Explore more

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