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Topic Review
Fuel Consumption and CO2 of Light-Duty Vehicles
Due to the alarming rate of climate change, fuel consumption and emission estimates are critical in determining the effects of materials and stringent emission control strategies. In this research, an analytical and predictive study has been conducted using the Government of Canada dataset, containing 4973 light-duty vehicles observed from 2017 to 2021, delivering a comparative view of different brands and vehicle models by their fuel consumption and carbon dioxide emissions. Based on the findings of the statistical data analysis, this study makes evidence-based recommendations to both vehicle users and producers to reduce their environmental impacts. Additionally, Convolutional Neural Networks (CNN) and various regression models have been built to estimate fuel consumption and carbon dioxide emissions for future vehicle designs. This study reveals that the Univariate Polynomial Regression model is the best model for predictions from one vehicle feature input, with up to 98.6% accuracy. Multiple Linear Regression and Multivariate Polynomial Regression are good models for predictions from multiple vehicle feature inputs, with approximately 75% accuracy. Convolutional Neural Network is also a promising method for prediction because of its stable and high accuracy of around 70%. The results contribute to the quantifying process of energy cost and air pollution caused by transportation, followed by proposing relevant recommendations for both vehicle users and producers. Future research should aim towards developing higher performance models and larger datasets for building APIs and applications.
  • 1.7K
  • 20 Jan 2022
Topic Review
DFT Calculations of XH Stretching Frequencies
X in the title can be either O or N.  Hydrogen bond potentials can be either symmetric or unsymmetric.  The former is the case for CH bonds, whereas for hydrogen bonded systems the potential can be more or less asymmetric depending on the strength of the hydrogen bond. DFT is an abbrviation for Density Functional Theory; CPMD = Car-Parinello Molecular Dynamics and VPT2  = Vibrational Second Order Pertubation Theory.  RAHB = Resonace Assisted Hydrogen Bonding.
  • 1.7K
  • 13 Jul 2024
Topic Review
Application of Geopolymers in Adsorption
Geopolymer is a porous inorganic material with a three-dimensional mesh structure, good mechanical properties, a simple preparation process (no sintering) and a low economic cost, and it is environmentally friendly. Geopolymer concrete has been widely used in the construction field, and many other studies have revealed that geopolymer will become one of the most promising inorganic materials with unique structure and properties. Geopolymer has a three-dimensional mesh structure that provides the geopolymer with high porosity and a significant number of mesopores that enhance the adsorption capacity by providing more exposed binding sites on the surface. The high mesoporous structure, high porosity, and three-dimensional mesh structure give geopolymers a larger specific surface area, which increases the contact sites with pollutants and impurities. 
  • 1.7K
  • 14 Sep 2022
Topic Review
Hydrus
Hydrus is a suite of Windows-based modeling software that can be used for analysis of water flow, heat and solute transport in variably saturated porous media (e.g., soils). HYDRUS suite of software is supported by an interactive graphics-based interface for data-preprocessing, discretization of the soil profile, and graphic presentation of the results. While HYDRUS-1D simulates water flow, solute and heat transport in one-dimension, and is a public domain software, HYDRUS 2D/3D extends the simulation capabilities to the second and third dimensions, and is distributed commercially.
  • 1.7K
  • 19 Oct 2022
Topic Review
Available Drinking Water Treatment Technologies
Water is one of the main sources of life’s survival. It is mandatory to have good-quality water, especially for drinking. Many types of available filtration treatment can produce high-quality drinking water. In general, the treatment technologies for treating water depend on the type of raw intake water that comes from various water sources, such as surface water and groundwater. Membrane filtration is an advanced drinking water treatment that is widely used nowadays in water treatment processes, mainly for drinking water. 
  • 1.7K
  • 13 Mar 2023
Topic Review
Quinoxaline-Based Photoinitiators of Polymerization
Photopolymerization offers a unique opportunity to convert liquid monomers to polymers using light as the activation source. Major efforts have been devoted to developing visible light photo-initiating systems, and the search for new dyes that can be incorporated into photocurable resins and polymerize a resin within a few seconds is still ongoing.
  • 1.7K
  • 24 Apr 2023
Topic Review
MRGPRX2
Mas-related G-protein coupled receptor member X2 (MRGPRX2) is a class A GPCR expressed on mast cells. Mast cells are granulated tissue-resident cells known for host cell response, allergic response, and vascular homeostasis.
  • 1.7K
  • 22 Sep 2021
Topic Review
Aesthetic and Educational Aspects in Religious Architecture
The major importance in the process of human development involves personal, individual and group experiences of meetings in various areas of religious architecture that operate with the language of signs and symbols, modern artistic forms, single-space harmony, and atmosphere—an invisible order of things. In recent years, a number of studies have been carried out that attempted to define what makes the place of sacrum sufficiently meaningful, mysterious, and still necessary in order to establish a spiritual relationship with the community of believers and with God, which is relevant in one’s transition to adulthood.
  • 1.7K
  • 20 May 2022
Topic Review
Natural Polymers
Repeated and arranged polymer molecular units are present in some animal and plant biomass. They behave as fossil-based polymeric materials and are called natural polymers. The natural polymers that were extracted from different biomass resources are classified based on the resources used. They are present in animals and plants as protein macromolecules of amino acids bonded by peptides or as polysaccharide macromolecules of monosaccharides bonded by glycosidic bonds or as lipid–long chain hydrocarbon molecules containing a carboxylic acid moiety.
  • 1.7K
  • 31 Oct 2022
Topic Review
Symmetry Perception and Psychedelic Experience
Neuroscientific studies on symmetry perception have accumulated in the last 20 years. Functional MRI and EEG experiments have conclusively shown that regular visual arrangements, such as reflectional symmetry, Glass patterns, and the 17 wallpaper groups all activate the extrastriate visual cortex. This activation generates an event-related potential (ERP) called sustained posterior negativity (SPN).
  • 1.7K
  • 18 Jul 2023
Topic Review
Dietary Plant Polyphenols
Dietary plant polyphenols are natural bioactive compounds that are increasingly attracting the attention of food scientists and nutritionists because of their nutraceutical properties. 
  • 1.7K
  • 09 Jun 2021
Topic Review
Encapsulated Natural Bioactive Compounds in Food Industry
Plants are the most abundant bioresources, providing valuable materials that can be used as additives in polymeric materials, such as lignocellulosic fibers, nano-cellulose, or lignin, as well as plant extracts containing bioactive phenolic and flavonoid compounds used in the healthcare, pharmaceutical, cosmetic, and nutraceutical industries. Bioactive packaging is developing to additionally provides antibacterial and antioxidant activity with the same goals i.e., extending the shelf life while ensuring safety of the food products. New solutions are designed using natural antimicrobial and antioxidant agents such as essential oils, some polysaccharides, natural inorganic nanoparticles (nanoclays, oxides, metals as silver) incorporated/encapsulated into appropriate carriers in order to be used in food packaging. Electrospinning/electrospraying are receiving attention as encapsulation methods due to their cost-effectiveness, versatility and scalability. The electrospun nanofibers and electro–sprayed nanoparticles can preserve the functionality and protect the encapsulated bioactive compounds (BC).
  • 1.7K
  • 24 Dec 2021
Topic Review
The Adversity Response Profile for Chinese University Students
Adversity response is fundamental to dealing with adversity. The final version of the ARP-CUS contains 24 items across five subscales for assessing students’ responses to adversity, including control, attribution, reach, endurance, and transcendence. Overall, ARP-CUS demonstrates satisfactory psychometric properties for quantifying the adversity quotient of Chinese university students.
  • 1.7K
  • 24 Jun 2022
Topic Review
Demand Chain Management
Demand chain management (DCM) is the management of relationships between suppliers and customers to deliver the best value to the customer at the least cost to the demand chain as a whole. Demand chain management is similar to supply chain management but with special regard to the customers. Demand chain management software tools bridge the gap between the customer relationship management and the supply chain management. The organization's supply chain processes are managed to deliver best value according to the demand of the customers. DCM creates strategic assets for the firm in terms of the overall value creation as it enables the firm to implement and integrate marketing and supply chain management (SCM) strategies that improve its overall performance. A study of the university in Wageningen (the Netherlands) sees DCM as an extension of supply chain management, due to its incorporation of the market orientation perspective on its concept.
  • 1.7K
  • 10 Nov 2022
Topic Review
Proto-Algonquian
Proto-Algonquian (commonly abbreviated PA) is the proto-language from which the various Algonquian languages are descended. It is generally estimated to have been spoken around 2,500 to 3,000 years ago, but on the question of where it was spoken, there is less agreement. The Algonquian family, which is a branch of the larger Algic language family, is usually divided into three subgroups: Eastern Algonquian, which is a genetic subgroup, and Central Algonquian and Plains Algonquian, both of which are areal groupings. In the historical linguistics of North America, Proto-Algonquian is one of the best studied, most thoroughly reconstructed proto-languages. It is descended from Proto-Algic.
  • 1.7K
  • 15 Nov 2022
Topic Review
Mechanisms for Reducing the Glycemic Response
Dietary fiber (DF), especially viscous DF, can contribute to a reduction in the glycemic response resulting from the consumption of carbohydrate-rich foods.
  • 1.7K
  • 19 Dec 2022
Topic Review
Autolysis to Bacillus subtilis Fermentation Bioprocess
Bacillus subtilis is a gram-positive bacterium, a promising microorganism due to its strong extracellular protein secretion ability, non-toxic, and relatively mature industrial fermentation technology. With the fast advancement of molecular biology and genetic engineering technology, various advanced procedures and gene editing tools have been used to successfully construct autolysis-resistant B. subtilis chassis cells to manufacture various biological products. 
  • 1.7K
  • 30 Jan 2023
Topic Review
Molecular Mechanisms of Resistance to PARP Inhibitors
PARP1 enzyme plays an important role in DNA damage recognition and signalling. PARP inhibitors are approved in breast, ovarian, pancreatic, and prostate cancers harbouring a pathogenic variant in BRCA1 or BRCA2, where PARP1 inhibition results mainly in synthetic lethality in cells with impaired homologous recombination. However, the increasingly wide use of PARP inhibitors in clinical practice has highlighted the problem of resistance to therapy. Several different mechanisms of resistance have been proposed, although only the acquisition of secondary mutations in BRCA1/2 has been clinically proved.
  • 1.7K
  • 07 Jun 2022
Topic Review
Constituents and Biological Activities of Bee Venom
Bee products consist of many substances that have long been known for their medicinal and health-beneficial properties. Venom is the one that has attracted the most interest due to the complexity of its chemical composition. Several types of research have been conducted utilizing biological (cellular) systems to figure out the properties of bee venom in vitro.
  • 1.7K
  • 18 Apr 2023
Topic Review
Challenges for Commercialization of Second-Generation Biorefineries
Second-generation biorefinery refers to the production of different types of biofuels, biomaterials, and biochemicals by using agri-based and other lignocellulosic biomasses as substrates, which do not compete with arable lands, water for irrigation, and food supply. From the perspective of transportation fuels, second-generation bioethanol plays a crucial role in minimizing the dependency on fossil-based fuels, especially gasoline. Significant efforts have been invested in the research and development of second-generation bioethanol for commercialization in both developing and developed countries.
  • 1.7K
  • 26 Feb 2024
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