Related Experiment Video
Updated: May 8, 2026
09:44
Development, Characterization, and Evaluation of CAGE-based Ionic Liquid Systems for Transdermal Delivery
Published on: September 26, 2025
Biocompatible Choline- and Amino Acid-Based Ionic Liquids: Applications in Pharmaceutical Science
1Juntendo University Faculty of Pharmacy.
Chemical & Pharmaceutical Bulletin
|May 6, 2026
Summary
Biocompatible ionic liquids (ILs) derived from choline and amino acids offer solutions for pharmaceutical development challenges. These novel ILs enhance active pharmaceutical ingredient (API) synthesis, solubility, and formulation, addressing toxicity and environmental concerns.
Area of Science:
- Pharmaceutical Science
- Green Chemistry
- Materials Science
Background:
- Active pharmaceutical ingredient (API) synthesis faces challenges with solubility, permeability, and stability.
- Conventional ionic liquids (ILs) show promise but have limitations regarding biocompatibility, toxicity, and environmental impact.
Purpose of the Study:
- To review the development and pharmaceutical applications of biocompatible ionic liquids (ILs).
- To explore ILs derived from biologically relevant components like choline and amino acids.
- To highlight how these ILs can overcome API formulation and synthesis hurdles.
Main Methods:
- Literature review focusing on biocompatible ionic liquids derived from choline and amino acids.
- Analysis of IL applications in API synthesis, crystallization, solubility enhancement, permeation, formulation, and as antibacterial agents.
- Examination of physicochemical property improvements by converting APIs into choline or amino acid-based ILs.
Main Results:
- Biocompatible ILs offer tunable chemical structures, simple preparation, and high stability.
- Choline and amino acid-based ILs demonstrate potential in various pharmaceutical applications, including catalysis and formulation.
- Converting APIs into these ILs can significantly improve their physicochemical properties, addressing formulation challenges.
Conclusions:
- Biocompatible ILs, particularly those from choline and amino acids, represent a promising advancement in pharmaceutical development.
- These ILs mitigate the toxicity and environmental concerns associated with conventional ILs.
- Further research into these novel ILs can lead to improved drug delivery and manufacturing processes.
Related Concept Videos
01:09Ion-Exchange Chromatography
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
01:27Bioavailability Enhancement: Drug Permeability Enhancement
After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt secretion,...
01:27Synthesis of Phosphatidylcholine in the ER Membrane
The ER synthesizes lipids for building cell membranes and performing cellular functions such as energy storage and signaling. The lipid synthesis machinery embedded in the ER membrane primarily collects all reactants from the cytosol. Following synthesis, the secretory pathway and the ER contact sites distribute these lipids to other cellular organelles. Additionally, the energy-rich triacylglycerides are transported from the ER via lipid droplets.
The major components of all eukaryotic cell...
The major components of all eukaryotic cell...
01:24Site-Targeted Drug Delivery Systems: Polymeric Carriers
Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
01:27Pharmaceutical Alternatives: Polymorphic Form-Related and Particle Size-Related Therapeutic Nonequivalence
Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...
01:17Pore Transport and Ion-Pair Transport
Pore transport and ion-pair formation are critical mechanisms for the absorption and distribution of drugs in the body.
Pore transport, also known as convective transport, is a process where small molecules like urea, water, and sugars rapidly cross cell membranes as though there were channels or pores in the membrane. Although direct microscopic evidence is limited but the concept of pores or channels is widely accepted based on physiological evidence. Despite the lack of direct microscopic...
Pore transport, also known as convective transport, is a process where small molecules like urea, water, and sugars rapidly cross cell membranes as though there were channels or pores in the membrane. Although direct microscopic evidence is limited but the concept of pores or channels is widely accepted based on physiological evidence. Despite the lack of direct microscopic...