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Topic Review
Applications of Asymmetric Lipid Vesicles
Liposomes have been widely studied for drug release applications, for which they are known to have the desired effect by releasing specific concentrations on site. In drug delivery, when a drug is supplied directly to the bloodstream, problems such as short circulation times, drug breakdown, and clearance are lessened. Liposomes are an alternative to avoid these problems because they can trap the drug, control the dosage need, and have an effective drug concentration to target the desired cells.
  • 324
  • 09 Jun 2023
Topic Review
Cyclodextrins/Estrogens Inclusion Complexes
In the pharmaceutical industry, cyclodextrins (CDs) are frequently used to improve the aqueous solubility, stability, and bioavailability of medications. Because estrogens have a low polarity, they can interact with some cyclodextrins’ hydrophobic cavities to create inclusion complexes, if their geometric properties are compatible. Estrogen-CD complexes have been widely applied in several fields for various objectives. 
  • 371
  • 09 Jun 2023
Topic Review
Role of Naturally Occurring Coumarins in Plants
Coumarins are secondary plant metabolites widely distributed in higher plants, bacteria, fungi, and sponges. This great structural diversity of these natural compounds and their synthesized derivatives enables their wide range of pharmacological activities, such as antioxidant; antibacterial; antifungal; anti-human immunodeficiency infection; anti-tubercular; and anti-cancer activities. There are also many reports about their effectiveness against plant pathogenic pests (phytopathogenic fungi, bacteria, nematodes, and insects). 
  • 772
  • 08 Jun 2023
Topic Review
Applications of Polyvinyl Alcohol-Chitosan Hydrogel
Tissue engineering and regenerative medicine (TERM) holds great promise for addressing the growing need for innovative therapies to treat disease conditions. To achieve this, TERM relies on various strategies and techniques. The most prominent strategy is the development of a scaffold. Polyvinyl alcohol-chitosan (PVA-CS) scaffold emerged as a promising material in this field due to its biocompatibility, versatility, and ability to support cell growth and tissue regeneration. 
  • 794
  • 07 Jun 2023
Topic Review
Integration of CO2 Capture and Utilization
Integrated CO2 capture and utilization aims to capture CO2 from gas streams and other emission sources and convert it into valuable chemicals or energy sources. The key is to find the match between the CO2 separation process and the CO2 utilization process, including the temperature and pressure, etc. CO2 can be captured via physical or chemical absorption depending on the interaction between CO2 and the absorbent. 
  • 452
  • 07 Jun 2023
Topic Review
Sustainable Hydrogels from Cellulose
Hydrogels are three-dimensional, hydrophilic networks composed of a variety of polymeric materials linked by chemical (covalent bonds) or physical (non-covalent interactions) cross-linking. The unique hydrophilic nature of hydrogels provides a promising solution for food packaging systems, specifically in regulating moisture levels and serving as carriers for bioactive substances, which can greatly affect the shelf life of food products. In essence, the synthesis of cellulose-based hydrogels (CBHs) from cellulose and its derivatives has resulted in hydrogels with several appealing features such as flexibility, water absorption, swelling capacity, biocompatibility, biodegradability, stimuli sensitivity, and cost-effectiveness.
  • 385
  • 07 Jun 2023
Topic Review
Conductive Molecularly Imprinted Polymers
Molecularly imprinted polymers (MIPs) have proven useful as receptor materials in chemical sensing and have been reported for a wide range of applications. Based on their simplicity and stability compared to other receptor types, they bear huge application potential related to ongoing digitalization. This is the case especially for conductive molecularly imprinted polymers (cMIPs), which allow easy connection to commercially available sensing platforms; thus, they do not require complex measuring setups.
  • 340
  • 07 Jun 2023
Topic Review
Lyotropic Liquid Crystal Active Layer with Structure Retention
Lyotropic liquid crystals (LLCs) are promising templates for active layer materials due to their inherently uniform and controllable pore size, ranging from 0.2 to 5 nm. Membranes formed by LLC template materials possess low surface roughness and high hydrophilicity, which result in higher membrane-fouling resistance. Moreover, mesophases such as hexagonal and lamellar are reorientable, enabling water channels to align perpendicularly to the membrane surface and increasing water permeance.
  • 381
  • 06 Jun 2023
Topic Review
Electrospinning Nanofibers Based Artificial Skins
Artificial skin, also known as bioinspired electronic skin (e-skin), refers to intelligent wearable electronics that imitate the tactile sensory function of human skin and identify the detected changes in external information through different electrical signals. Flexible e-skin can achieve a wide range of functions such as accurate detection and identification of pressure, strain, and temperature, which has greatly extended their application potential in the field of healthcare monitoring and human-machine interaction (HMI). Compared with other traditional electronic sensors, artificial electronic skin can meet the demand of human health monitoring and HMI when it is used in seamless and stable contact with human skin and obtains low impedance physiological signals. Therefore, it has higher requirements on material permeability, tensile resistance, and biocompatibility. Due to its high porosity, high toughness, and small mass, electrospun nanofiber-based bioinspired artificial skins with high flexibility and a three-dimensional porous mesh structure are often considered as the first choice.
  • 283
  • 06 Jun 2023
Topic Review
Polymeric Based Hydrogel Membranes for Biomedical Applications
Hydrogel membranes combine the porous architecture and permeability properties of thin membranes with the dynamic mechanical properties and water absorption characteristics of polymeric hydrogels. The characteristics of hydrogel membranes bear a remarkable resemblance to physiological membranes, although the latter are much more complex than their synthetic counterparts.
  • 255
  • 06 Jun 2023
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