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Pharmacology, Toxicology and Environmental Health Commons

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Biomedical Engineering and Bioengineering

Drug release

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Full-Text Articles in Pharmacology, Toxicology and Environmental Health

Surface-Eroding Drug Delivery Films For Sequential And/Or Intermittent Release Of Psychoactive Drugs, Jason Price Apr 2021

Surface-Eroding Drug Delivery Films For Sequential And/Or Intermittent Release Of Psychoactive Drugs, Jason Price

Honors Theses

ABSTRACT JASON BLAKE PRICE: Surface-Eroding Drug Delivery Films for Sequential and/or

Intermittent Release of Psychoactive Drugs For patients with psychiatric diseases, adherence to medication schedules, medication

errors, and abuse are common issues. Promising new forms of therapy for these patients, such as micro-dosed lysergic acid diethylamide (LSD), where patients receive 10-20% of a full dose every third day, present further drug delivery challenges. Sequential or intermittent release of drugs from an implanted device could ensure long-term drug compliance, automate drug dosing during the life of the implant, and eliminate potential for abuse and medication errors. To this end, we generated …


Drug Loading And Release From Polypeptide Multilayer Nanofilms, Yang Zhong Jan 2007

Drug Loading And Release From Polypeptide Multilayer Nanofilms, Yang Zhong

Doctoral Dissertations

Polypeptides, linear macromolecules, are formed from amino acid residues by linkage of peptide bonds. Proteins are polypeptides too, with more complex conformations contributing to specific functionalities. Disulfide bonds are very important to maintain the structure and functions of proteins, which will form between two cysteine (Cys) residues under oxidizing circumstance.

Cys containing polypeptides are designed and synthesized by F-moc (9-Fluorenylmethyloxycarbonyl) chemistry. The number and position of Cys residues can be controlled by amino acid sequences design and following peptide synthesis, which is important to gain insights on the nature of polyelectrolyte multilayer film assembly and stability.

Both commercial and designed …