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Topic Review
COVID 19 MATHEMATICS AND STATISTICS
In this approach we will summarise the the last three publications highlighting the key mathematical approach like Exponential F ( x ) to further exponential –Gaussian F ( x ) and finally the Linear Combination of Atomic Orbital ( LCAO ) ie a hybridised SP orbital overlapping to Remdesivir ( Drug ) –Covid19 approach. .Sigmoid Statistics or Logistics regression is a method to applied to Infection fatality rate ( IFR ) the most important epidemological parameters is also under consideration .
  • 829
  • 29 Oct 2020
Topic Review
Wheat Based Film
Wheat is a grass plant of the Poaceae plants family; the scientific name of wheat plant is Triticum.  Due to its mechanical and physical properties, wheat starch, gluten, and fiber are vital in the biopolymer industry. Glycerol as a plasticizer considerably increased the elongation and water vapor permeability of wheat films. Wheat fiber developed mechanical and thermal properties as a result of various matrices; wheat gluten is water insoluble, elastic, non-toxic, and biodegradable, making it useful in biocomposite materials.
  • 829
  • 20 Oct 2022
Topic Review
Fabric/Fiber-Based Triboelectric Nanogenerators
Triboelectric nanogenerator (TENG), as a green energy harvesting technology, has aroused tremendous interest across many fields, such as wearable electronics, implanted electronic devices, and human-machine interfaces. Fabric and fiber-structured materials are excellent candidates for TENG materials due to their inherent flexibility, low cost, and high wearing comfort. Consequently, it is crucial to combine TENG with fabric/fiber materials to simultaneously leverage their mechanical energy harvesting and wearability advantages.
  • 828
  • 17 Aug 2022
Topic Review
Biodiesel as Renewable Biofuel in Current Diesel Engines
Many countries are immersed in several strategies to reduce the carbon dioxide (CO2) emissions of internal combustion engines. One option is the substitution of these engines by electric and/or hydrogen engines. However, apart from the strategic and logistical difficulties associated with this change, the application of electric or hydrogen engines in heavy transport, e.g., trucks, shipping, and aircrafts, also presents technological difficulties in the short-medium term. In addition, the replacement of the current car fleet will take decades. This is why the use of biofuels is presented as the only viable alternative to diminishing CO2 emissions in the very near future. Nowadays, it is assumed that vegetable oils will be the main raw material for replacing fossil fuels in diesel engines.
  • 828
  • 13 May 2022
Topic Review
HMM and SBA Porous Materials
Mesoporous silicas have enjoyed great interest among scientists practically from the moment of their discovery thanks to their unique attractive properties. Many types of mesoporous silicas have been described in literature, the most thoroughly MCM-41 and SBA-15 ones. The methods of syntheses, characterization and use of mesoporous silicas from SBA (Santa Barbara Amorphous) and HMM (Hybrid Mesoporous Materials) groups are presented. The first group is represented by (i) SBA-1 of three-dimensional cubic structure and (ii) SBA-2 of three-dimensional combined hexagonal and cubic structures. The HMM group is represented by (i) HMM-1 of two-dimensional hexagonal structure and (ii) HMM-2 of three-dimensional structure. The paper provides comprehensive information on the above-mentioned silica materials available so far, also including the data for the silicas modified with metal ions or/and organic functional groups and examples of the materials applications.
  • 828
  • 18 Mar 2021
Topic Review
Electrospun Scaffolds for Vascular Regeneration
Vascular regeneration remains a challenging issue in tissue engineering. Poor vascularization often limits the size of regenerated tissue and leads to cell death. Improving vascularization could largely increase the regeneration efficacy and the survival of regenerated tissue. Nanofibrous scaffolds are widely used in tissue engineering and regenerative medicine due to well-known advantages, which can mimic the mechanical and structural properties of the natural extracellular matrix (ECM). This review presents the recent strategies to improve nanofibrous scaffolds for vascular tissue engineering. Different nanofibrous scaffolds design, including nanofiber structuring and surface functionalization, to improve scaffolds properties are explained. The review also focuses on recent advances in electrospun fibrous scaffolds for vascular regeneration such as changing architecture and controlling the release of bioactive components. In vivo tests of these nanofibrous scaffolds have been considered as the further step to validate the angiogenic potential of the scaffolds.
  • 828
  • 27 Oct 2020
Topic Review
Chitosan and Fibroin
For the creation of tissue-engineered structures based on natural biopolymers with the necessary chemical, physical, adhesive, morphological, and regenerative properties, biocompatible materials based on polysaccharides and proteins are used.  This entry is devoted to a problem of the technology of polymeric materials for biomedical purposes: the creation of biopolymer tissue engineering matrix and the development of a methodology for studying morphology and functional properties of their surface to establish the prospects for using the material for contact with living objects.
  • 828
  • 12 Apr 2021
Topic Review
Nanoliposomes and Tocosomes as Nanocarriers in Food Industry
Nanoscale lipid bilayers, or nanoliposomes, are generally spherical vesicles formed by the dispersion of phospholipid molecules in a water-based medium by energy input. Nanoliposomes and tocosomes are able to provide protection and release of sensitive food-grade bioactive materials in a sustained manner. They are being utilized for the encapsulation of different types of bioactive materials (such as drugs, vaccines, antimicrobials, antioxidants, minerals and preservatives), for the enrichment and fortification of different food and nutraceutical formulations and manufacturing of functional products.
  • 827
  • 11 Nov 2021
Topic Review
Stability of Cu-Based Catalysts for Methanol Reforming
The stability of copper-based catalysts is an important property that affects the catalytic efficiency, which determines the service life of the catalytic base in the methanol steam reforming (MSR) reaction, and plays an important role in the sustainable production of hydrogen.
  • 826
  • 21 Jul 2022
Topic Review
Self-sterilizing Properties of Copper
It is confirmed that copper is a self-sanitising metal, acting on human pathogens in a way that does not let them survive exposure to copper or copper alloy surfaces for any reasonable length of time. Regarding the efficacy of copper surfaces, testing in an independent microbiology laboratory has led to 300 various copper surfaces being registered with the United States Environmental Protection Agency (USEPA) in 2008. The registration includes the following statement: “When cleaned regularly, the antimicrobial copper alloy surface kills greater than 99.9% of bacteria within two hours and continues to kill more than 99% of bacteria even after repeated contamination”. This claim acknowledges that copper and its alloys brass and bronze can kill potentially deadly bacteria, and sometime later, it was further understood that copper nanoparticles (Cu-NPs) and laser textured copper also show enhanced antimicrobial activity.
  • 825
  • 06 Jul 2021
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