Green Chemistry - Science topic

Call for Papers for a Special Issue of Catalysts (IF4.501): Innovative Functional Materials in Photocatalysis II Topics of interest include, but are not limited to, metal oxides; metal chalcogenides; composite semiconductors; inorganic–organic hybrids with conjugated polymers; and nanocomposites with resin, clay, or zeolites, and the investigation...

The concept of green chemistry has in recent times played a vital role in the processing of feedstocks from locally sourced materials for the production of vast industrial products. This has, to a greater extent, resulted in the sustainability of a greener environment and economy. This research aimed to evaluate the mineral composition, characteriz...

The past decade has witnessed significant progress in synthesizing structurally diverse and biologically relevant pyrano[2,3-c]pyrazole derivatives through the integration of green methodologies. This review summarizes the recent advances in the green multicomponent synthesis of pyrano[2,3-c]pyrazole and spiro-pyrano[2,3-c]pyrazole derivatives. The...

An analytical method combining fatty acid-emulsification liquid-liquid microextraction (FA-ELLME) with so-lidification of floating drops (SFD) and droplet digital image colorimetry (DDIC) was developed for the analysis of rhodamine B (RhB) in food and beverage samples. This work applied an emulsified amphiphilic fatty acid as an extracting solvent...

In this study, two new deep eutectic mixtures were prepared via combination of D-fructose with urea and L-aspartic acid or L-arginine. After identification, the catalytic activity of these mixtures, was evaluated in the one-pot multi-component synthesis of tetrahydro-1,2,4-triazolo[5,1-b]quinazolin-8(4H)-one derivatives. In the presence of both pre...

The urgent need for sustainable energy sources to meet the increasing demand for energy has prompted the exploration of novel materials that are environmentally friendly, inexpensive, and less hazardous to human life for energy storage applications using the green chemistry approach. These new materials are environmentally friendly, low cost, and l...

The green chemistry approach is also termed a sustainable technology that involves the design, synthesis, processing, and use of chemical substances by reducing or eliminating chemical hazards [1]. This technique focuses on atom economy, the use of safer solvents or chemicals, the use of raw materials from renewable resources, the consumption of en...

Quinoline motifs are essential in several pharmacological active heterocyclic compounds due to their various applications in medicinal and industrial chemistry. Furthermore, there are greater societal expectations in the current scenario that synthetic and medicinal chemists should produce greener and more sustainable chemical processes. Therefore,...

In the ever-evolving landscape of industry, the pivotal role played by microorganisms cannot be overstated. From the controlled fermentations that yield high-value products to the manipulation of genetic codes for improved performance, the strides made in Industrial Microbiology have revolutionized the way we produce, manufacture, and sustain our w...

n this work, biosynthesis of Zinc Oxide nanoparticles (ZnO-NPs) was achieved using the aqueous extract of different types of dates grown in the oases of southern Algeria. They are represented in the type of dates (Degla baidha and Tinicine), which are classified into the same Species (Phoenix dactylifera.L),where we obtained a white precipitate of...

Iyer Vijayan Gurumurthy , 2023. Keynote Presentation Title-1, “ Green Chemistry Applications for the Climate Change and Control with A Case Study and Check on Design and Development of Gin Rollers Used in Indian Cotton Double Roller Gins Towards Sustainable Industrial Development” . Magnus Group, Joint Event on Plant Science and Agriculture , 11-13...

The philosophy of "green chemistry" is crucial for the twenty-first century and beyond. Due to societal and governmental demands regarding environment issues, the chemical and related sectors have taken this attitude very seriously. In addition, industries have been obliged to consider biotechnology and green alternatives in order to achieve effici...

This paper describes the direct synthesis of carboxamide-functionalized nano NaY zeolite (CBA-Ze) to develop a new high-functionality nanocatalyst in one pot process. This surface functionalization was achieved using a four-component Ugi reaction. Afterward, copper ions were coordinated with Ugi-ligands decorated on the nano NaY zeolite surface. To...

ZnO and black TiO2 have been selected as the most efficient materials for organic pollution abatement due to their increased efficiency when compared to other materials. However, the concept of green chemistry makes it desirable to design green synthesis approaches for their production. In this study, black TiO2 was synthesized using an environment...

The environmental pollution crisis created by the fossil fuels pushes industries to find an alternative clean energy source to save the future of the world. Amongst candidates, hydrogen is considered as an invaluable fuel due to the easy production, high energy content, and getting burned in a green pathway. This report highlights hydrogen generati...

Traditional chemical synthesis, which involves the use of dangerous protocols, hazardous solvents, and toxic products and catalysts, is considered environmentally inappropriate and harmful to human health. Bearing in mind its numerous drawbacks, it has become crucial to substitute conventional chemistry with green chemistry which is safer, more eco...

The research community has shown significant interest in the aqueous synthesis of nanomaterials due to its ability to eliminate the need for complex organic solvents. This synthesis approach aligns with the principles of green chemistry, attracting considerable attention. Aqueous solution technology in fabricating nanostructures has gained recognit...

Traditional chemistry is undergoing a transition process towards a sustained paradigm shift under the principles of green chemistry. Green chemistry is emerging as a pillar of modern chemistry focused on sustainability. In this context, the aim of this study was to analyse green chemistry research and its contributions using quantity, quality, and...

In recent years, the development of efficient green chemistry methods for synthesis of metal oxide nanoparticles has become a major focus of researchers. They have investigated in order to find an eco friendly technique for production of metal oxide nanoparticles. In this work our aim to synthesize of zinc oxide nano particles via chemical and gree...

The increase in economic activities and the industrialization of countries have caused the growth of pollution created by waste and sewage. In particular, the textile industry produces large amounts of liquid contaminants due to the large amounts of water employed during the production of fabrics. In addition, dyes are another category of organic c...

Green nanotechnology is a part of green innovation that incorporates green chemistry and green engineering principles. Green chemistry aims to reconsider chemical use in order to make it safe, secure and much more effective. In this study, Silver and zinc oxide nanoparticles were prepared using ginger (Zingiber officinale) and garlic (Allium sativu...

Heterocycles and barbituric acid analogs are particularly used in developing and designing new drugs because of their versatile binding properties for different biotargets. They are present in many natural compounds, vitamins, drugs, and biologically active molecules such as anticancer, antibiotic, antidiabetic, anti‐inflammatory, antidepressant, a...

The use of biolubricants as an alternative to petroleum-based products has played an important role in the last decade. Due to the encouragement of global policies, which mainly support green chemistry and circular economy, there has been an increasing interest in bio-based products, including biolubricants, from scientific and industrial points of...

In this paper, a distinction is first made between environmental, sustainable, and green chemistry; the last two are then examined in relation to the more general problem of environmental education. A brief historical digression on the Science, Technology, and Society movement attempts to dissect reasons why chemistry is seen by the general public...

Seed storage compound deposition is influenced by both maternal and filial tissues. Within this framework, we analyzed strategies that operate during the development and filling of soybean embryos, using in vitro culture systems combined with metabolomics and proteomics approaches. The carbon:nitrogen ratio (C:N) of the maternal supply and the horm...

In this work, a novel natural deep eutectic mixture was prepared from glucose, pregabalin and urea and identified using a variety of techniques including Fourier transform infrared spectroscopy, thermogravimetric analysis, derivative thermogravimetry, differential thermal analysis and refractive index measurements. After the characterization the pr...

In this research, we describe the synthesis of silica-coated nano-Fe3O4 particles, which were successfully modified by diaminopyrimidine, and their physicochemical properties were characterized using FT-IR, XRD, TEM, FE-SEM, EDX, EDX-mapping, and TGA. The catalytic activity of this novel nano-catalyst was evaluated by three-component reactions for...

Crystalline two-dimensional carbon nitrides with polytriazine imide (PTI) structure are shown to act amphoterically, buffering both HCl and NaOH aqueous solutions, resulting in charged PTI layers that dissolve spontaneously in their aqueous media, particularly for the alkaline solutions. This provides a low energy, green route to their scalable sol...

Here, highly efficient one-pot protocols for the synthesis of structurally diverse fused N-containing heterocycles containing 2-chloroquinoline employing 1,1-bis(methylsulfanyl)-2-nitroethene, diamines, 2-chloroquinoline-3-carbaldehydes and dimedone/Meldrum's acid in green media in the absence of catalyst are reported. The current report proposes s...

Efficient protocols have been developed for epoxidation of chalcones and hydration of nitriles to amides using “water extract of red mud (WERM)/H2O2” system at room temperature. As red mud is produced abundantly as wastes in aluminum industries, this present simple and cost-effective method is an alternative way of waste management which demands ec...

This research focuses on analyzing how different primary catalysts affect the glycolysis of plastic made from bisphenol A (PC) polycarbonate. It was found that the process of chemical decomposition of PC leads to the formation of products with high added value: bisphenol A (PC monomer, BPA), BPA, and ethylene carbonate or ethylene glycol co-ethers...

Biocatalysis can be applied in aqueous media and in different non-aqueous solutions (non-conventional media). Water is a safe solvent, yet many synthesis-wise interesting substrates cannot be dissolved in aqueous solutions, and thus low concentrations are often applied. Conversely, non-conventional media may enable higher substrate loadings but at...

Lorlatinib (LOR) is a third-generation anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitor drug. The Food and Drug Administration (FDA) has granted an approval for the use of LOR as a first therapeutic intervention for individuals diagnosed with ALK-positive metastatic and advanced non-small-cell lung cancer (NSCLC). The present study outlin...

Inspired by the concept of organic waste valorisation and heading towards a sustainable economy, a green chemistry extraction technique involving supercritical carbon dioxide (SC-CO2) along with water as a co-solvent was employed for the main winery by-product (grape pomaces). The objective was to selectively extract high-value added molecules, in...

Abstract Fifteen polar extracts from leaf, seed, pod, stem, flower and root of Crotalaria spectabilis were prepared using aqueous systems, based on the principles of green chemistry, and showed different protease inhibitor (PI) activities on trypsin, papain, pepsin and the extracellular L. amazonensis serine protease (LSPIII). The most pronounced i...

Green chemistry familiarly called as sustainable chemistry mainly focus on the designing of pharmaceutical products by processes that decreases the use of chemicals and hazardous substances generation, Now a days plant based medicines engineered with Novel drug delivery like nanoparticles, microspheres etc plays a major role in the treatment of sev...

Cashew nut shell liquid (CNSL), obtained as a byproduct of the cashew industry, represents an important natural source of phenolic compounds, with important environmental benefits due to the large availability and low cost of the unique renewable starting material, that can be used as an alternative to synthetic substances in many industrial applic...

Bimetallic (or multimetallic) catalysis has emerged as a powerful tool in modern chemical synthesis, offering improved reaction control and versatility. This review focuses on the recent developments in bimetallic sequential catalysis for the synthesis of nitrogen heterocycles, which are essential building blocks in pharmaceuticals and fine chemica...

Special issue URL: https://www.mdpi.com/journal/sustainability/special_issues/A0TSF27L00 Dear Colleagues: Biomass stands as an exemplary, sustainable feedstock with the potential to revolutionize the energy, biofuels, and materials sectors, steering us toward a greener society. The pursuit of efficient biomass treatment and utilization remains pi...

Green chemistry is the process of synthesizing substances in a way that is suitable, non-polluting, and protected, uses the least amount of resources and energy, and produces little to no waste. In order to reduce the harm that anthropogenic materials and the processes used to produce them cause to the environment, green chemistry is necessary. It...

The efficient production of methanol by reduction of CO2 using green hydrogen is a promising strategy from both a green chemistry and a carbon net zero perspective. Herein, we report the synthesis of well-dispersed core–shell catalyst precursors using silica@CuxZnAl-LDHs that can convert CO2 to methanol. The catalyst precursors can be formed using...

To help ensure a prosperous future on Earth for coming generations, academia and industry need to transform the way they plan and carry out the synthesis of novel materials to make them more environmentally sustainable. In particular, the field of reticular materials, i.e., metal‐organic frameworks, zeolitic imidazolate frameworks, and covalent org...

In this work, a UV absorber compound (E)-2-(((4-(benzyloxy)phenyl)imino)methyl)phenol was synthesized by microwave method using a two steps protocol. In the first step, α-(4-hydroxyphenylimino)-o-cresol (1) was synthesized from 4-aminophenol and salicylaldehyde by circulating under microwave heating at 60 oC for 8 minutes, the reaction yield reache...

Background Favipiravir is currently used for the treatment of coronavirus disease-2019 (COVID-19). Objective A highly sensitive and eco-friendly electroanalytical method was developed to quantify favipiravir. Method The voltammetric method optimized a sensor composed of reduced graphene oxide / modified carbon paste electrode in the presence of a...

Onion peels (OP) are rich in bioactive compounds with a plethora of benefits for human health, but this valuable material is often wasted and underutilized due to its inedibility. Likewise, grapevine pruning residues are commonly treated as agricultural waste, but biochar (BC) obtained from this material has favorable characteristics as an adsorben...

The catalytic oxidation of phenethoxybenzene as a lignin model compound with a β-O-4 bond was conducted using the Keggin-type polyoxometalate nanocatalyst (TBA)5[PMo10V2O40]. The optimization of the process’s operational conditions was carried out using response surface methodology. The statistically significant variables in the process were determ...

Wastewater treatment methods based on catalytic technology are receiving more and more attention in recent years. In order to achieve the high-value utilization of agricultural residues, the development of greener, more efficient, and economically favorable catalysts is the focus of this review. The main contents include: (i) discussions around the...

Chestnut shells (CS), the principal by-product of the chestnut processing industry, contain high concentrations of flavonoids and other polyphenols with huge interest for the nutraceuticals field. Nonetheless, the bioaccessibility and bioactivity of phytochemicals can be influenced by their digestibility, making it imperative to evaluate these acti...

Homogeneous esterification of cellulose isolated from Stipa tenacissima plant located in the eastern region of Morocco, using anhydride and acid chloride compounds has been performed in ionic liquids (ILs) prepared in our laboratory as reaction mediums. ILs were chosen as solvents due to their green character and ability to disperse native cellulos...

A highly efficient and convenient green method using highly efficient natural catalyst calcined eggshell (CES) is described for synthesis of 2-amino 4H-chromene derivatives in ethanol–water system. The new inexpensive green catalyst CES is obtained from waste natural resources. This method offers mild reaction conditions at ambient temperature, wit...

Preserving nature is one of the most important agendas in the twenty-first century among scientists from all over the world. Therefore, interest is rising quickly in developing new methods which could solve global problems without polluting the environment. Chemists are developing tools and techniques to understand, monitor, protect and improve the...

The presented work discusses in detail the preparation of a cheap and environmentally friendly biopolymer membrane from isinglass and its physicochemical characterisation. One of the possible uses of the obtained membrane can be as a separator between electrodes in novel green electrochemical devices as in, for example, electric double-layer capaci...

Developing cost-effective electroactive materials for advanced energy devices is vital for the sustainable development of electrochemical energy conversion/storage systems. To reduce the fabrication cost of electroactive materials (electrocatalysts and electrodes), growing attention has been paid to low-cost precursors. Recently, mining and metallu...

Nanotechnology appears as a promising approach to revolutionize the fertilization industry in the coming decades. However, the crucial interactions of these nanomaterials with abiotic components of the environment like soil organic matter (SOM) and carbon- sequestration may hold the key to sustainable crop nutrition, fortification, and climate chan...

Prolonged use of solvents has harmful impacts on the environment, and entire surviving things. One of the most crucial demands of green chemistry is the cutting down of solvent use or substituting with less hazardous ones. Green solvents are explored as an alternative to traditional solvents. They are specified by low toxicity, easy availability re...

The implementation of the independent curriculum at the senior high school level can be an opportunity for educators to develop alternative teaching materials that according to the latest curriculum standards. One alternative teaching material that can be used is the module. This study aims to develop a basic chemical law module based on Problem Ba...

This research aims to explore the utilization of Ocimum basilicum leaf extract as a green and sustainable method for the synthesis of Fe3O4/NiO nanocomposites (Fe3O4/NiO NC) with potential applications in photocatalytic hydrogen evolution and organic dye degradation. The synthesized Fe3O4/NiO NC exhibited a unique bandgap energy of 2 eV, making it...

Biodiversity is critical for human well-being and activities because it offers a broad variety of ecosystem services; hence its preservation is urgently needed. At the moment, biodiversity is rapidly declining. After climate change, biodiversity loss is the second most significant global risk. The chemical industry plays a critical role in the deve...

Chronic inflammation diseases are a major cause of death worldwide, including heart diseases, kidney diseases, and liver diseases. Researchers are working on developing effective anti-inflammatory drugs. COX-2 inhibitors like coxibs were developed to reduce gastrointestinal side effects but were later withdrawn due to cardiovascular events. The nee...

Surfactants are amphiphilic molecules with the ability to modify the surface tension between two surfaces. They can be obtained by various methods, the main one being synthetic, from petroleum-based substrates. Their universal use in a wide range of fields has created a global market and, consequently, ecological, and economic expectations for thei...

Plant pathogens and pests can cause significant losses in crop yields, affecting food security and the global economy. Many traditional chemical pesticides are used to combat these organisms. This can lead to the development of pesticide-resistant strains of pathogens/insects and negatively impact the environment. The development of new bioprotecta...

In many analytical chemical procedures, organic solvents are required to favour a better global yield upon the separation, extraction, or isolation of the target phytochemical analyte. The selection of extraction solvents is generally based on the solubility difference between target analytes and the undesired matrix components, as well as the over...

Following a green approach, kiwi peels (a waste) were washed in hot water to obtain a water-based polyphenolic extract (KPWW) used to reduce Au³⁺ (coming from a HAuCl4 water-based solution) for forming gold nanoparticles (AuNPs). Indeed, KPWW, as shown after performing high-performance liquid chromatography-mass spectrometry (HPLC/MS-MS) analysis,...