scholarly journals Carrageenan: Drug Delivery Systems and Other Biomedical Applications

Marine Drugs ◽  
2020 ◽  
Vol 18 (11) ◽  
pp. 583
Author(s):  
Edisson-Mauricio Pacheco-Quito ◽  
Roberto Ruiz-Caro ◽  
María-Dolores Veiga
Keyword(s):  
Drug Delivery ◽  
Tissue Engineering ◽  
Physicochemical Properties ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Pharmaceutical Formulations ◽  
Delivery Systems ◽  
Marine Resources ◽  
Renewable Source ◽  
Pharmaceutical Applications

Marine resources are today a renewable source of various compounds, such as polysaccharides, that are used in the pharmaceutical, medical, cosmetic, and food fields. In recent years, considerable attention has been focused on carrageenan-based biomaterials due to their multifunctional qualities, including biodegradability, biocompatibility, and non-toxicity, in addition to bioactive attributes, such as their antiviral, antibacterial, antihyperlipidemic, anticoagulant, antioxidant, antitumor, and immunomodulating properties. They have been applied in pharmaceutical formulations as both their bioactive and physicochemical properties make them suitable biomaterials for drug delivery, and recently for the development of tissue engineering. This article provides a review of recent research on the various types of carrageenan-based biomedical and pharmaceutical applications.

Bi-functional peptide-based 3D hydrogel-scaffolds

Soft Matter ◽  
2020 ◽  
Vol 16 (30) ◽  
pp. 7006-7017
Author(s):  
Carlo Diaferia ◽  
Francesca Netti ◽  
Moumita Ghosh ◽  
Teresa Sibillano ◽  
Cinzia Giannini ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Tissue Engineering ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Hydrogel Scaffolds ◽  
Functional Peptide

Over the last few years, hydrogels have been proposed for many biomedical applications, including drug delivery systems and scaffolds for tissue engineering.

Engineering of nanometer-sized cross-linked hydrogels for biomedical applications

2010 ◽  
Vol 88 (3) ◽  
pp. 173-184 ◽  
Author(s):  
Jung Kwon Oh
Keyword(s):  
Mechanical Properties ◽  
Drug Delivery ◽  
Tissue Engineering ◽  
Water Content ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
High Water ◽  
Delivery Systems ◽  
High Water Content ◽  
Surface Areas

Microgels/nanogels (micro/nanogels) are promising drug-delivery systems (DDS) because of their unique properties, including tunable chemical and physical structures, good mechanical properties, high water content, and biocompatibility. They also feature sizes tunable to tens of nanometers, large surface areas, and interior networks. These properties demonstrate the great potential of micro/nanogels for drug delivery, tissue engineering, and bionanotechnology. This mini-review describes the current approaches for the preparation and engineering of effective micro/nanogels for drug-delivery applications. It emphasizes issues of degradability and bioconjugation, as well as loading/encapsulation and release of therapeutics from customer-designed micro/nanogels.

scholarly journals RECENT ADVANCES IN ELASTIN-BASED BIOMATERIALS

2020 ◽  
Vol 23 ◽  
pp. 314-332
Author(s):  
María Luisa Del Prado Audelo ◽  
Néstor Mendoza-Muñoz ◽  
Lidia Escutia-Guadarrama ◽  
David Giraldo-Gomez ◽  
Maykel González-Torres ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Tissue Engineering ◽  
Physicochemical Properties ◽  
Drug Delivery Systems ◽  
Biological Activities ◽  
Synthetic Polymers ◽  
Delivery Systems ◽  
The Other ◽  
Main Components ◽  
Similar Conformation

Elastin is one of the main components of the extracellular matrix; it provides resistance and elasticity to a variety of tissues and organs of the human body, besides participating in cellular signaling. On the other hand, elastin-derived peptides are synthetic biopolymers with a similar conformation and structure to elastin, but these possess the advantage of solubility in aqueous mediums. Due to their biological activities and physicochemical properties, elastin and related peptides may be applied as biomaterials to develop diverse biomedical devices, including scaffolds, hydrogels, and drug delivery systems for tissue engineering. Likewise, the combination of elastin with natural or synthetic polymers has demonstrated to improve the mechanical properties of biomedical products and drug delivery systems. Here we comprehensively describe the physicochemical properties and physiological functions of elastin. Moreover, we offer an overview of the use of elastin and its derivative polymers as biomaterials to develop scaffolds and hydrogels for tissue engineering. Finally, we discuss some perspectives on the employment of these biopolymers to fabricate new biomedical products.

scholarly journals Template-assisted extrusion of biopolymer nanofibers under physiological conditions

2016 ◽  
Vol 8 (10) ◽  
pp. 1059-1066 ◽  
Author(s):  
Mohammad Raoufi ◽  
Neda Aslankoohi ◽  
Christine Mollenhauer ◽  
Heike Boehm ◽  
Joachim P. Spatz ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Tissue Engineering ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Physiological Conditions

Biomedical applications ranging from tissue engineering to drug delivery systems require versatile biomaterials based on the scalable and tunable production of biopolymer nanofibers under physiological conditions.

Polymer based nanoparticles for biomedical applications by microfluidic techniques: from the design to the biological evaluation

2021 ◽  
Author(s):  
assunta borzacchiello ◽  
Antonio Fabozzi ◽  
Francesca Della Sala ◽  
Mario di Gennaro ◽  
Nicola Solimando ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Physicochemical Properties ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Biological Evaluation ◽  
Delivery Systems ◽  
Test Drug ◽  
New Strategy

The development of microfluidic technologies represents a new strategy to produce and test drug delivery systems. Particularly microfluidics can facilitate the development of new nanoparticles-based systems with controlled physicochemical properties...

Biodegradable polycaprolactone (PCL) based polymer and composites

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Emily Archer ◽  
Marissa Torretti ◽  
Samy Madbouly
Keyword(s):  
Drug Delivery ◽  
Tissue Engineering ◽  
Ring Opening ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Food Packaging ◽  
Delivery Systems ◽  
Implantable Devices

Abstract Polycaprolactone (PCL) is a biodegradable polyester that has advantages over other biopolymers, making it an extensively researched polymer. PCL is a hydrophobic, slow-degrading, synthetic polymer making it particularly interesting for the preparation of long-term implantable devices and a variety of drug delivery systems. Recently, PCL has been used for additional applications including food packaging and tissue engineering. In this chapter, the processing methods and characterization of PCL will be discussed. The chapter will summarize the synthesis of poly(α-hydroxy acid) and the ring-opening polymerization of PCL. Discussion on the biodegradability of PCL will be reviewed. The biomedical applications of PCL, such as, drug-delivery systems, medical devices, and tissue engineering will be also summarized. Finally, the chapter will conclude with a characterization section outlining recent studies focusing on PCL based composites and films.

Biosurfactants as a Novel Additive in Pharmaceutical Formulations: Current Trends and Future Implications

2020 ◽  
Vol 21 (11) ◽  
pp. 885-901
Author(s):  
Shubham Thakur ◽  
Amrinder Singh ◽  
Ritika Sharma ◽  
Rohan Aurora ◽  
Subheet Kumar Jain
Keyword(s):  
Drug Delivery ◽  
Drug Delivery Systems ◽  
Toxicity Testing ◽  
Pharmaceutical Formulations ◽  
Delivery Systems ◽  
Surface Active Agents ◽  
Regulatory Status ◽  
Different Temperatures ◽  
High Production Cost ◽  
New Generation

Background: Surfactants are an important category of additives that are used widely in most of the formulations as solubilizers, stabilizers, and emulsifiers. Current drug delivery systems comprise of numerous synthetic surfactants (such as Cremophor EL, polysorbate 80, Transcutol-P), which are associated with several side effects though used in many formulations. Therefore, to attenuate the problems associated with conventional surfactants, a new generation of surface-active agents is obtained from the metabolites of fungi, yeast, and bacteria, which are termed as biosurfactants. Objectives: In this article, we critically analyze the different types of biosurfactants, their origin along with their chemical and physical properties, advantages, drawbacks, regulatory status, and detailed pharmaceutical applications. Methods: 243 papers were reviewed and included in this review. Results: Briefly, Biosurfactants are classified as glycolipids, rhamnolipids, sophorolipids, trehalolipids, surfactin, lipopeptides & lipoproteins, lichenysin, fatty acids, phospholipids, and polymeric biosurfactants. These are amphiphilic biomolecules with lipophilic and hydrophilic ends and are used as drug delivery vehicles (foaming, solubilizer, detergent, and emulsifier) in the pharmaceutical industry. Despite additives, they have some biological activity as well (anti-cancer, anti-viral, anti-microbial, P-gp inhibition, etc.). These biomolecules possess better safety profiles and are biocompatible, biodegradable, and specific at different temperatures. Conclusion: Biosurfactants exhibit good biomedicine and additive properties that can be used in developing novel drug delivery systems. However, more research should be driven due to the lack of comprehensive toxicity testing and high production cost which limits their use.

Rediscovering Tocophersolan: a renaissance for nano-based drug delivery and nanotheranostic applications

2020 ◽  
Vol 21 ◽  
Author(s):  
Dickson Pius Wande ◽  
Qin Cui ◽  
Shijie Chen ◽  
Cheng Xu ◽  
Hui Xiong ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Drug Dissolution ◽  
Glycol Succinate ◽  
Permeation Enhancer ◽  
P Glycoprotein ◽  
Us Fda ◽  
Anticancer Compound

: As a unique and pleiotropic polymer, d-alpha-tocopheryl polyethylene glycol succinate (Tocophersolan) is a polymeric synthetic version of vitamin E. Tocophersolan has attracted enormous attention as a versatile excipient in different biomedical applications including drug delivery systems and nutraceuticals. The multiple inherent properties of Tocophersolan make it play flexible roles in drug delivery system design, including excipients with outstanding biocompatibility, solubilizer with the ability of promoting drug dissolution, drug permeation enhancer, P-glycoprotein inhibitor and anticancer compound. For these reasons, Tocophersolan has been widely used for improving the bioavailability of numerous pharmaceutical active ingredients. Tocophersolan has been approved by stringent regulatory authorities (such as US FDA, EMA, and PMDA) as a safe pharmaceutical excipient. In this review, we systematically curated current advances in nano-based delivery systems consisting of Tocophersolan with possibilities for futuristic applications in drug delivery, gene therapy, and nanotheranostic.

Lanthanide-doped upconversion nanoparticles complexed with nano-oxide graphene used for upconversion fluorescence imaging and photothermal therapy

2018 ◽  
Vol 6 (4) ◽  
pp. 877-884 ◽  
Author(s):  
Po Li ◽  
Yue Yan ◽  
Binlong Chen ◽  
Pan Zhang ◽  
Siling Wang ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Fluorescence Imaging ◽  
Photothermal Therapy ◽  
Biomedical Applications ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Research Interest ◽  
Upconversion Nanoparticles ◽  
Multifunctional Nanoparticles ◽  
Nano Oxide

In recent years, multifunctional nanoparticles have attracted much research interest in various biomedical applications such as biosensors, diagnosis, and drug delivery systems.

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