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Topic Review
Collagen Derived from Fish Industry Waste
Fish collagen garnered significant academic and commercial featuring prospective applications in a variety of health-related industries, including food, medicine, pharmaceutics, and cosmetics. Due to its distinct advantages over mammalian-based collagen, including the reduced zoonosis transmission risk, the absence of cultural-religious limitations, the cost-effectiveness of manufacturing process, and its superior bioavailability, the use of collagen derived from fish wastes (i.e., skin, scales) quickly expanded. Moreover, by-products are low cost and the need to minimize fish industry waste’s environmental impact paved the way for the use of discards in the development of collagen-based products with remarkable added value.
  • 682
  • 07 Feb 2023
Topic Review
Metal Nanoparticles Synthesis Using Biological Extracts
Metal nanoparticles (MNPs) are especially interesting due to properties such as optical polarizability, electrical conductivity, photocatalysis and antimicrobial activity, which makes them useful for many applications in areas from electronics to pharmaceutics.
  • 411
  • 07 Feb 2023
Topic Review
Development and Types of High-Entropy Materials
By their unique compositions and microstructures, the high-entropy materials (HEMs) exhibit outstanding properties and performance above the threshold of traditional materials. Wear- and erosion-resistant materials are of significant interest for different applications, such as industrial devices, aerospace materials, and military equipment, related to their capability to tolerate heavy loads during sliding, rolling, or impact events.
  • 983
  • 07 Feb 2023
Topic Review
Functions of CNMs in Photocatalytic H2 Generation
To improve photocatalysis, scientists are turning to carbon-based nanomaterials (CNMs) such as graphene, carbon nanotubes (CNTs), graphitic carbon nitride (g-C3N4), fullerene (C60), carbon dots (CDs), and carbon nanofibers (CNFs), etc. Carbon-based nanomaterials show exceptional physicochemical properties, including thermal and chemical stability, high surface area, and better electrical, mechanical, and optical properties. Green energy must replace fossil fuels, and hydrogen is a prime choice. Photocatalytic water splitting (PWS) under solar irradiation could address energy and environmental problems.
  • 457
  • 07 Feb 2023
Topic Review
Modification Strategies of Pristine Graphitic Carbon Nitride
Graphitic carbon nitride (g-C3N4), as the significant metal-free semiconductor photocatalyst, holds great potential in the application of the photocatalytic nitrogen oxides (NOx) removal process due to its plentiful extraordinary advantages, such as visible light response properties, mild bandgap, low cost, facile preparation and high thermal stability. However, pristine g-C3N4 prepared using the traditional high-temperature solid reaction suffers from low specific surface areas and low crystallinity owing to kinetic hindrance, which results in small specific surface areas, few reactive sites, limited light-harvesting capacity, rapid recombination of photogenerated charge carriers and unsatisfactory photocatalytic NOx removal performance. In order to improve the photocatalytic performance of pristine g-C3N4, a variety of modification strategies have been developed including metal doping, non-metal doping, defect engineering, crystallinity optimization, morphology controlling and heterojunction construction.
  • 711
  • 06 Feb 2023
Topic Review
Composition and Industrial Applications of Phytochemical
Phytochemicals are versatile plant secondary metabolites with therapeutic properties. Lemongrass is well-known for its antioxidant, anti-microbial, anti-inflammatory, anti-hypertensive, anti-diabetic, anti-mutagenicity, anxiolytic properties, and for its hypoglycemic and hypolipidemic activities. Therefore, it is widely used in pharmaceuticals, food, feed, and the cosmetics industry. Lemongrass contains phenolic metabolites (including phenolic acids, flavonoids, stilbenes, and lignans), terpenoids, and alkaloids, which are potent bioactive ingredients. Lemongrass is a precious medicinal plant. 
  • 898
  • 06 Feb 2023
Topic Review
Synthesis of Pyrazolo pyrano oxazoles
A simple and efficient synthetic route to the novel 3a,4-dihydro-3H,7H- and 4H,7H-pyrazolo[4′,3′:5,6]pyrano[4,3-c][1,2]oxazole ring systems from 3-(prop-2-en-1-yloxy)- or 3-(prop-2-yn-1-yloxy)-1H-pyrazole-4-carbaldehyde oximes has been developed by employing the intramolecular nitrile oxide cycloaddition (INOC) reaction as the key step.
  • 462
  • 06 Feb 2023
Topic Review
Nanofilms
Nanofilms are thin films that are composed of nanoscale materials and have thicknesses typically ranging from a few nanometers to a few hundred nanometers. Nanofilms have unique properties that make them useful in a wide range of applications, including electronics, biomedicine, manufacturing, food, surface protection, and environmental protection. Nanofilms can be made from a variety of materials, including metals, ceramics, polymers, and composites. They can be designed with specific properties, such as high surface area, improved mechanical and chemical stability, and tailored optical and electrical properties. These unique properties of nanofilms make them useful in a wide range of applications.
  • 592
  • 06 Feb 2023
Topic Review
Synthesis of Variolins, Meridianins, and Meriolins
Marine natural products are a source of essential significance due to a plethora of highly diverse biological properties. The naturally occurring (aza)indole alkaloids variolin B (1), meridianins (2), and their synthetic hybrids meriolins (3) exhibit potent kinase inhibitory activities.
  • 775
  • 06 Feb 2023
Topic Review
Graphene Derivatives with Conducting Polymers
The development of sensorial platforms based on graphene derivatives and conducting polymers (CPs), alternatively deposited or co-deposited on the working electrode (usually a glassy carbon electrode; GCE) using a simple potentiostatic method (often cyclic voltammetry; CV), possibly followed by the deposition of metallic nanoparticles (NPs) on the electrode surface (ES). These materials have been successfully used to detect an extended range of biomolecules of clinical interest, such as uric acid (UA), dopamine (DA), ascorbic acid (AA), adenine, guanine, and others.
  • 555
  • 06 Feb 2023
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