The Navier-Stokes problem in R3 consists of solving the equations: v0 + (v, ∇)v = −∇p + ν ?v + f, x ∈ R3 , t ≥ 0, ∇ · v = 0, v(x, 0) = v0(x), wher [....] » Read More
To address the issue of waste plastics in landfills, a hybrid approach is proposed. This would use low temperature plasma pretreatment followed by catalytic cracking to augment the conversion of waste polyolefins into monomers, intermediates, new polymers and value-added chemical [....] » Read More
The development of automatic analyzers based on flow techniques, like FIA, MSFIA, SIA, MPFS, etc., involves the use and continuous innovation of fluidic devices. The new trends go toward the miniaturization of sophisticated fluidic platforms, like chips, requiring continuous adva [....] » Read More
Some materials take place in class of smart materials with adaptive properties and stimulus response to the external conditions. Shape memory alloys take place in this group by exhibiting a peculiar property called shape memory effect, which is characterized by the recoverability [....] » Read More
The presence of heavy metals and metalloids in water represents nowadays one of the most important environmental problems. These species have infinite lifetimes, and chemical or biological treatments present severe restrictions or are economically prohibitive. Hexavalent chromium [....] » Read More
The ubiquitous presence of sp3 C−H bonds in natural feedstock makes them inexpensive, easily accessible, and attractive synthons for the preparation of common and/or complex molecular frameworks in biologically active natural products, pharmaceutics, agrochemicals, and mate [....] » Read More
The method of assembling an isobaric phase diagram from surfaces and phase regions represents the construction of a 3D object in the coordinates "concentration (x-y) - temperature (T)" in such a way that the result is a 3D computer model of the phase diagram constructed [....] » Read More
All phenomena and processes in the nature and world proceed only in two energy directions: either along the force field gradient with minimum energy input (entropy) or against the gradient with maximum energy input (negentropy). The graphs of S-curves and their nomograms characte [....] » Read More
This study is aimed to review the topics of chemical engineering to take in consideration for the scaling-up of reactors, in order to perform processes based on the application of the sonochemistry at industrial level. Sonochemistry is an emergent technology, defined as chemistry [....] » Read More
Plant infestation by pets is one of the worst effects of bacteria and fungi on human food. Plants as a primary food resource are critical for human muscle building and mental health. Many farmers worldwide misuse the pesticides’ mixtures to keep crops, fruits, and vegetable [....] » Read More
The main threat to the environment and living systems today is anthropogenically induced water pollution. Each year, different kinds of organic pollutants are discharged by industries in nearby water resources. The removal of these pollutants is a daunting task and hence, develop [....] » Read More
This research aims for the adsorptive removal of phenol from wastewater by solid adsorbents generated from biological wastes viz. guava tree bark, rice husk, neem leaves, activated carbon from coconut coir, and industrial wastes viz. rice husk ash, red mud, clarified sludge from [....] » Read More
Organic chemical reactions via green chemical routes are of prime importance for safer environment. Heterogeneous catalysts are the major tools for achieving the goals of sustainable development. In accomplishing many of these goals, an important family of catalysts that has rece [....] » Read More
Hydrogen is the lightest material. The generation of hydrogen is cheap. We have demonstrated the generation of green hydrogen using hybrid electrodes through the water splitting process. The hybrid photoelectrodes made up of organic natural dye and inorganic ZnO have been fabrica [....] » Read More
The major applications of silver nanoparticles in the medical field include diagnostic applications and therapeutic applications. In most of the therapeutic applications, it is the antimicrobial property that is being majorly explored, but the anti-inflammatory property, anticanc [....] » Read More
Ionic liquids played a crucial role in replacing toxic organic solvents due to its special properties such as high conductivities, inflammability, chemically inert nature, lesser toxicity, more stability even at high temperature and very low pressure. Flexible di/trimeric substit [....] » Read More
For environmental remediation, treatment of water is an enormous challenge and a vast number of methods have been investigated for their ability to remove toxic chemicals and species from polluted water. However, the research still continues to find the best strategy for effectiv [....] » Read More
Starting from the grand old activated charcoal to zeolites, porous materials have been utilized for environmental and technological benefits for mankind. Of late, porous organic polymers (POPs) have emerged as a new class of functional materials with applications ranging from gas [....] » Read More
Surfactants are a class of amphiphilic substances that simultaneously include hydrophilic and hydrophobic components in their molecular structure. Surfactants' distinctive molecular structure makes it possible to increase the solubility of soil pollutants in water, particular [....] » Read More
Cymbopogon citratus is generally known as Indian Lemongrass widely applicable in cosmetic, pharmaceutical, dairy puddings, and food industries. To enhance the quality of extraction microwave-oven aided hydro distillation processes were implemented. The basic parameter which influ [....] » Read More
In this article, a composition based on local Khovdak bentonite and a polymer additive was created and practical work was carried out on its effectiveness in the purification of vegetable oils. Studies have shown that bentonite-filled polymer compositions are more effective than [....] » Read More
The extraction of Rhenium as Perrhenate ( ReO4-) from an aqueous solution of alkali metals hydroxides and alkaline earth metals chlorides by swelled Poly Dibenzo-18-Crown6 (PDB18C6) has been studied. The extraction selectivity of PDB18C6 toward of rhenium from aqueous solutions [....] » Read More
Carbon dots (CDs) are a new type of carbon-based material that has exceptional physicochemical properties, due to which they are widely used in the fields of material science, environmental cleanup, and medicine and have caught global attention in the last decade. Since the size [....] » Read More
This paper presents the greenhouse gas inventory report of the Agriculture, Forestry and other Land Use (AFOLU) sector which allows the assessment of carbon emissions and absorption for the period from 2010 to 2018 in the monomodal and bimodal rain forest agroecological zones. Th [....] » Read More
The involvement of C1-C3 alkanes in the processes of obtaining valuable products is of great theoretical and practical importance. One of the ways to solve this problem is the possibility of catalytic involvement of these alkanes in the alkylation of aromatic compounds.( Y, M, ZS [....] » Read More
The original function of the process of platforming is to develop heavy naphtha (HSRN), coming from the atmospheric unit of distillation with a weak octane number (NO = 44), to obtain a mixture of fuels â number octane raised by catalytically support [....] » Read More
The biodegradable polymer are the next generation and newly emerging field in green materials. It has been used more than 50 years for various applications. The synthetic flexibility and elastic features of these polymers to considered in accordance with make them attractive for [....] » Read More
Pesticides are chemical compounds widely used in crops’ pest control, ensuring high productivity and product quality control. However, pesticides are toxic and can be bioaccumulative. Their excessive use causes environmental and health impacts. In this study, the potential [....] » Read More
In the present work, the adsorption behavior of Eriochrome Black T (EBT) on waste hemp activated carbon (WHAC) was examined. The surface of the WHAC was modified by H3PO4 acid treatment. The surface and structural characterization of the adsorbents was carried out using Four [....] » Read More
Short Riot control agents such as o-chlorobenzylidene malononitrile (CBM) are considered chemical weapons if used as a method of warfare in the chemical arsenal. Due to the toxic potential of the substance, it is the most widely used riot control agent, distributed as a spray by [....] » Read More
Among the various harmful pollutants, toxic heavy metals are the one which are responsible for serious problems in our eco-system. The non-biodegradable nature of heavy metals and bio-accumulation at very low concentrations generate hazardous impacts on flora and fauna. Many tech [....] » Read More
After the discovery of the anticancer properties of cisplatin in the sixties by Rosenberg a large number of metal derivatives have been synthesized and assessed as therapeutic agents for cancer treatment. Nevertheless, still now cisplatin and its parent analog [....] » Read More
In quantum mechanics, the theory of quantum transitions is grounded on the convergence of a series of time-dependent perturbation theory. In nuclear and atomic physics, this series converges because the dynamics of quantum transitions are absent by definition. In molecular and ch [....] » Read More
Anthill clay is some sort of specific clay variety among other common clay types because of the mode of available in the Environment while obtaining some extraordinary characteristics when comparing with some other well-known clay varieties. According to the most outstanding rese [....] » Read More
Among the various kinds of agro-ecologies in Sierra Leone, the bolilands constitute a major zone for farming activities. The bolilands are saucer-shaped and are characteristically flooded to during the rainy season. Major livelihood activities carried out them are mostly cattle r [....] » Read More
The variations of solar activity and distribution of solar energy due to the rotation of the Earth around its axis and around the Sun exert a strong influence on the self-organization of water molecules, on the size of water clusters and on their chemical reactivity. As a result, [....] » Read More
Currently liquid rocket engine has tremendous impact over space performances like sending satellites for the Earth bound and for the Interplanetary mission. Recent space developments are implementing several simpler and less expensive rocket technologies. Basically various type o [....] » Read More
The aim of this work was to study the effect of microwave radiation in the synthesis of cobalt and copper ferrite on their catalytic activity in the low-temperature oxidation of carbon monoxide. The synthesis was carried out by ceramic method from oxides and sol-gel method with c [....] » Read More
Ascorbic acid (Vitamin C) decomposes on exposure to heat, is sensitive to light and is destroyed when exposed to atmospheric oxygen. Ascorbic acid was isolated from the aqueous extract of Casuarina equisetifolia (Australian pine needles) harvested from the main campus, university [....] » Read More
This paper presents data on the catalytic and surface properties of samples based on bimetallic copper, silver, and gold nanoparticles deposited on a support, taken in different ratios. As catalytic reactions, ortho-para and para-ortho conversion of protium, as well as homomolecu [....] » Read More
Hydrogen energy is a pollution-free and efficient energy, but safe and efficient hydrogen storage technology is the key to realize the utilization of hydrogen energy. Liquid organic hydrogen carrier (LOHC) technology is more efficient in terms of safety and storage and transporta [....] » Read More
Title : mRNA-based systemically delivered directed gene therapy using nanomaterials
A C Matin, Stanford University School of Medicine, United States
The presentation focuses on systemically administered targeted gene therapy using mRNA instead of DNA; why the former is superior for this purpose will be discussed. Lipid nanoparticles (LNPs) and, more recently, extracellular vesicles (EVs, aka exosomes) have proven effective ve [....] » Read More
Title : Development of an efficient acid-free palladium(II) catalyzed hydroarylation of acetylene
Christine Hahn, Texas A&M University-Kingsville, United States
Hydroarylation of alkynes is a useful organic reaction to generate aryl alkenes as building blocks for more complex molecules. The direct addition of arenes to alkynes may serve as an efficient methodology to shorten the lengthy multi-step synthesis of natural products or drug mo [....] » Read More
Title : Catalytic carbon dioxide recycling to chemical products in fuel cells
Venko Beschkov, Bulgarian Academy of Sciences, Bulgaria
There are various attempts to save carbon dioxide emissions by carbon collection and storage (CCS) or carbon collection and utilization (CCU). The electrochemical methods for CCU are extensively studied. They are classified in two classes: electrolysis with chemical production an [....] » Read More
Title : Designing materials for nanocatalysis
Tokeer Ahmad, Jamia Millia Islamia, India
Multifunctional nanostructures as nanocatalysts find the possibility for their applications in water splitting processes for hydrogen generation as a renewable source of green energy. The studies of some multifunctional nanoparticles by chemical synthesis reveal the formation of [....] » Read More
Title : Application of metal single-site zeolite catalysts in heterogeneous catalysis
Stanislaw Dzwigaj, Sorbonne University, France
The metal ions well dispersed at the zeolite framework are considered to be active sites of catalytic processes. Therefore, the incorporation of these metals into zeolites as isolated tetrahedral sites appears to be the important task. We have earlier shown that the incorporation [....] » Read More
Title : Mass-scale production of single-atom materials for catalytic water decontamination
Xiaoguang Duan, The University of Adelaide, Australia
In this work, we developed a series of structure-well-defined carbon-based single-atom catalysts (SACs) to replace conventional metal counterparts and drive several key processes in advanced oxidation processes (AOPs) for the purification of organic contaminants in wastewater. We [....] » Read More
Title : Carbon neutrality as a strategy responding to climate change
Dai Yeun Jeong, Jeju National University, Korea, Republic of
Climate change is one of the most serious environmental problems impacting on nature and humans at a global level. Various action plans responding to climate change are being launched by the government, enterprises and civil organizations, etc. This paper is for explaining car [....] » Read More
Title : Monodispersed core/shell nanospheres of ZnS/NiO with enhanced H2 generation and quantum efficiency at versatile photocatalytic conditions
V Navakoteswara Rao, National Nanofab Center, Korea, Republic of
Hydrogen gas is a cleaner fuel and generates electrical energy in proton exchange membrane fuel cells with high efficiency and the best alternative energy for alternative 1. The present investigation is the first to elucidate the synthesis of mono-dispersed ZnS/NiO-core/shell nan [....] » Read More
Title : Synthesis of Cs pollucite ceramic waste form and long-term leaching behavior
Ga yeong Kim, Chungnam National University, Korea, Republic of
Radioactive cesium (Cs) is representative fission products of spent nuclear fuel with high heat generating. Since radioactive Cs has high solubility and mobility in groundwater, it should be immobilized in a chemically durable waste form. Ceramic waste form has higher thermal sta [....] » Read More
Title : Effect of transition metal oxides in silver tellurite glass
Seong Sik Shin, Chungnam National University, Korea, Republic of
Iodine (I-129) is a radioactive isotope which has half-life of 15.7 million years. The radioactive iodine is produced by nuclear fission in nuclear power plants. Due to iodine has a long half-life with high mobility in the environment, the iodine should be captured and immobilize [....] » Read More
Title : Synthesis of iron oxide copper oxide and zinc oxide nanoparticles deposited on carbon spheres
Hachelef Hakima, Military academy of Cherchell, Korea, Republic of
The present work is a contribution to a synthesis by hydrothermal voice of metal oxides based on iron, copper and Zinc grafted on catalytic supports based on carbon microspheres (MSC) resulting from the chemical decomposition of glucose and sucrose ,this has been proposed in orde [....] » Read More
Title : One step solid-state reaction synthesis, characterization, and catalytic performance of n–p SnO2/Bi2O3 composite
Qingge Feng, Guangxi university, China
A novel n–p SnO2/Bi2O3 composite was synthesized by template free one step solid-state reaction synthesis. The as-prepared composite was characterized by XRD, HR-TEM, FE-SEM, UV–Vis, PL, and XPS. The photocatalytic capacity of n–p SnO2/Bi2O3 was evaluated by mon [....] » Read More
Title : Various macromolecular carbons targeted at carbon peaking and carbon neutralization and their applications
Huanling Xie, School of Chemistry and Chemical Engineering, China
The soil was the material basis for human survival, and heavy metal pollution was caused by a large number of mining. Heavy metals in the soil have seriously exceeded the standard, and the risk of heavy metal pollution of agricultural products by farming soil has seriously increa [....] » Read More
Title : Conversion of polysulfide’s on core–shell [email protected] nanostructures for lithium–sulfur batteries
Xitian Zhang, Harbin Normal University, China
With the development of emerging electronics and electric vehicles, the ever-growing demand for high-energy storage devices has inspired an upsurge of research on rechargeable batteries. Lithium–sulfur batteries (LSBs), as one of the most promising candidates, theoretically [....] » Read More
Title : Evaluation of Hydrotaicite-Derived Ni catalysts for Tri-Reforming of Methane Process for CO2 Conversion
Rohit Kumar, Indian Institute of Technology (Banaras Hindu University), India
The anthropogenic CO2 emission into the atmosphere is considered as a prime reason for global warming and climate change. One promising idea for the mitigation of CO2 emission is CO2 conversion and utilization (CCU). Tri-reforming of methane (TRM) process offers a unique way to c [....] » Read More
Title : Visible light mediated photoredox catalysis for C-O bond manipulation
Samuzal Bhuyan, Sikkim University, India
Application of visible light catalysis has revolutionized the field of organic synthesis by providing much efficient and greener alternatives to many important organic transformations. Visible light mediated reactions require a photocatalyst that absorbs the visible light and eng [....] » Read More
Title : Ftir band interpretation of hydrocarbon oils and oil spill identification
S R Varadhan, Netaji IAS Academy, India
Due to the rapid growth of various technological and industrial revolution, the earth is facing several problems. Her resources like water and air are critically polluted. Advanced industrialization causes major pollution. Each year an estimated five to ten million tons of oil ar [....] » Read More
Title : Regulating the Assembly of Precursors of Carbon Nitrides to Improve Photocatalytic Hydrogen Production
Tahir Muhmood, Nanjing Forestry University, China
Two-dimensional graphitic carbon nitrides (2D g-C3N4) are promising photocatalysts for water splitting to hydrogen due to their non-toxicity and high stability. However, the bulk g-C3N4 has some intrinsic drawbacks, such as rapid electron–hole recombination and low charge-c [....] » Read More
Title : Time-evolving growth of 3D-nanocrystalline carbon from the electro-reduction of acetic acid with in-situ electrodeposited Ag at ambient conditions
Nattaphon Hongrutai, Chulalongkorn University, Thailand
Nanocrystalline carbon thin films containing nanodiamond and diamond-C (progressive intermediates in the graphite-to-diamond phase transition) were produced by a low-energy production method, consisting of the in-situ electrochemical reduction of acetic acid/Ag(NO3) using a relat [....] » Read More
Title : Induction of volatile organic compounds in wheat plants following infection by different Rhizoctonia pathogens
Dariusz Piesik, PBS Bydgoszcz University of Science and Technology, Poland
The most popular means of plant protection is the chemical method, but this control is often connected with the need for repeating chemical treatments. Thus, eco-friendly strategies should be developed where, under the European Green Deal, aromatic plants and their repellent prop [....] » Read More
Title : The organic nGMO soybeans as a raw material in soy milk innovation production
Anna Wenda Piesik, Bydgoszcz University of Science and Technology, Poland
Statement of the Problem: Soybeans are an excellent source of functional ingredients, such as dietary fiber, high-quality protein and polyphenols, mainly isoflavones. The lipid components disadvantageous to the health of the consumer are not present in soybeans, such as cholester [....] » Read More
Title : Development of Air-stable Oxysulfide-based Solid Electrolytes Green Technology
Hagsoo Kim, Kyungpook National University , Korea, Republic of
Along with the recent rapid growth of the electric vehicle market, the performance improvement of commercialized lithium rechargeable batteries for miniaturization, lightweight and high performance, that is, high safety, high energy density and rapid charging (high c-rate), etc. [....] » Read More
Title : Synthesis and Characterization of Electrocatalysts for Iodide Oxidation-Based Electrolyzer for Green Hydrogen Production
Dessalew Berihun Adam, Kotebe University of Education, Ethiopia
Hydrogen (H2), as a non-carbon clean energy source, is the most attractive and environmentally friendly option to alleviate the future energy demand of society. Its production by water electrolysis is the most prominent and a front-running technology, but it requires the high ove [....] » Read More
Title : Synthesis of bioplastics and their characteristics
Vandana Sakhre, Manipal Academy Of Higher Education, United Arab Emirates
There are increasing environmental concerns for plastic (oil-based polymers) in society today, and there has been an effort to introduce more environmentally friendly materials like Starch-based bioplastics because it is obtained from a renewable resource and is relatively cheape [....] » Read More
Title : Combining Biochar with Metal Oxides for Improved Water Disinfection: A Study on Photodegradation of Methyl Orange
Osman Urper, University College of Southeast Norway, Norway
The objective of water disinfection is a crucial step towards improving global health quality. Methyl orange (MO), a commonly used anionic azo dye, poses a significant health risk due to its carcinogenic and toxic properties. To address this issue, cost-effective and highly effic [....] » Read More
Title : Removal of Ibuprofen from wastewater during purification by a Synthesized Coordination polymers based on N-Donor Clusters spaced by Dicarboxylate Acid catalyzed by Persulfates under Natural irradiation
Amina adala, University of Mentouri Brothers Constantine, Algeria
Heterogeneous photocatalysis is a promising alternative for the treatment of pollutants in aquatic environments, which is fully in line with sustainable development using the sun as an energy source. The objective of the present work is the degr [....] » Read More