Related Experiment Video
Updated: Jul 9, 2026
14:20
Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?
Published on: June 13, 2014
17.0K
Alginate-Based Microparticles Containing Albumin and Doxorubicin: Nanoarchitectonics and Characterization
Magdalena Kędzierska1, Katarzyna Sala2,3, Dominika Wanat2,3
1Department of Clinical Oncology, Central Clinical Hospital of the Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland.
International Journal of Molecular Sciences
|December 30, 2025
Summary
Researchers developed stable alginate-albumin microcapsules for controlled doxorubicin delivery. These biocompatible drug delivery systems show promise for cancer therapy and other biomedical applications.
Area of Science:
- Biomaterials Science
- Drug Delivery Systems
- Nanotechnology
Background:
- Alginate microcapsules are recognized for their biocompatibility and biodegradability.
- They offer potential for encapsulating therapeutic agents for targeted delivery.
Purpose of the Study:
- To synthesize and characterize stable alginate-albumin microcapsules.
- To evaluate their potential as a controlled drug delivery system for doxorubicin.
- To assess their suitability for cancer therapy applications.
Main Methods:
- Microcapsules synthesized via calcium ion crosslinking of sodium alginate.
- Albumin used as a carrier for doxorubicin encapsulation.
- Characterization of microcapsule size, stability in physiological conditions, and drug release kinetics.
Main Results:
- Uniform microscale size distribution achieved.
- Microcapsules demonstrated stability in simulated physiological environments.
- Controlled doxorubicin release was observed, triggered by pH changes.
Conclusions:
- Alginate-albumin microcapsules provide a stable platform for drug delivery.
- The system enables controlled release, particularly under varying pH conditions.
- These microcapsules show significant potential for cancer therapy and broader biomedical applications.
Related Concept Videos
01:30Micelles
Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
01:28Masonry
Masonry, known for its strength, durability, and aesthetic versatility, encompasses construction with solid stone or man-made units like bricks, clay tiles, terra cotta, and concrete blocks, combined to form structures like walls, floors, and arches. These units are placed in a systematic fashion, known as coursing, and are bound together using mortar—a mixture typically made of water, cement, and sand.
The process of building with masonry is hands-on and can be executed with basic tools. A...
The process of building with masonry is hands-on and can be executed with basic tools. A...
01:29Mortar
Mortar, a mixture of Portland cement, hydrated lime, sand, and water, is a crucial binding material in construction. Its primary function is to join masonry units together, filling gaps and ensuring a uniform distribution of weight across the structure. This helps in preventing potential weaknesses. Mortar also serves as a protective barrier against environmental elements such as water and wind, thereby safeguarding the interior of the structure. It also compensates for surface irregularities...
01:17Mortar Properties
Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to the...
01:15Reinforced Brick Masonry
Reinforced brick masonry is an advanced construction technique that enhances the structural integrity of brick walls by incorporating steel reinforcements. These reinforcements are either placed within the hollow cores of bricks or sandwiched between two layers of masonry, known as wythes, and are then secured in place with grout. Grout is a fluid mixture composed of Portland cement, aggregate, and water, providing the necessary bonding agent for the steel and brick.
To fortify brick walls...
To fortify brick walls...
01:20Microcracking in Concrete
Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...