Search
Search Results
-
Ultrasound-Assisted Acidic Natural Deep Eutectic Solvent as a New Strategy for Extracting Seabuckthorn Leaf Phenolics: Process Optimization, Compositional Identification, and Metabolic Enzyme Inhibition Capacity
An efficient acidic natural deep eutectic solvent (choline chloride-acetic acid, Chcl-AA) was screened out and subsequently combined with ultrasound...
-
Solvent-free reaction of 4-amino-1,2,4-triazole-3-thioles with 1,2,4-triazine-5-carbonitriles
A solvent-free reaction of 5-cyano-1,2,4-triazines with 4-amino-1,2,4-triazole-3-thiols was studied. The reactions take place only at elevated...
-
Ion-pair solvent-based liquid–liquid microextraction and spectrophotometric determination of E102, E110, E124, E129 and E133 in confectioneries and beverages
In the present study, a new ion-pair solvent including tetra-n-butyl-ammonium iodide and 1-pentanol was prepared for the first time and it was used...
-
Solvent Acidity and Basicity Scales: Analysis of Catalan’s SB and SA Scales and Gutmann’s Acceptor Number and Comparison with Kamlet and Taft’s β and α Solvent Scales, Gutmann’s Donor Number and Abraham’s B and A Solute Scales
The use of experimental parameters to quantify solvent properties, for example in linear free energy relationships, is well established and several...
-
The new phthalic acid-based deep eutectic solvent as a versatile catalyst for the synthesis of pyrimido[4,5-d]pyrimidines and pyrano[3,2-c]chromenes
A new DES (MTPPBr-PHTH-DES) was prepared from a mixture of methyltriphenyl-phosphonium bromide (MTPPBr) and phthalic acid (PHTH). The eutectic point...
-
Nucleic Acids in Green Chemistry
Deoxyribonucleic acid (DNA) is one of the most important biopolymers for all living organisms; DNA exhibits characteristic physical properties...
-
A novel green biosynthesis of superfine tin dioxide nanoparticle from ficus elastica fallen leaf extract and exploring its suitability as green nano-filler for advancement of natural rubber composite
This research article reveals a novel approach for green and sustainable biosynthesis of superfine tin dioxide nanoparticles (TNP) utilizing Ficus...
-
A green reaction-based turn-off fluorescence sensor for determination of copper ions: DFT calculations, quenching mechanism, green chemistry metrics, and application in environmental samples
When Cu(II) reacts with ascorbic acid (AA) to form Cu(I), Cu(I) can combine with eosin Y (EY) to form ionic associations, resulting in significant...
-
Carbon Dioxide-Based Green Solvents
Currently, the ‘sustainability’ and ‘renewability’ is most important aspects for the environment and for the living beings. In the chemical industry,...
-
A New Approach for the Determination of Metronidazole Using Switchable Solvent Coupled with Au-MWCNTs-Modified Electrochemical Sensor
In this work, a new liquid-phase microextraction method coupled with an electrochemical technique using a switchable solvent was proposed for the...
-
Method Development and Optimization of Liquid-Liquid Microextraction Based on the Decomposition of Deep Eutectic Solvent for the Determination of Chromium (VI) in Spinach: Assessment of the Greenness Profile Using Eco-scale, AGREE, and AGREEprep
A simple, effective, and ligandless liquid-liquid microextraction (LLME) procedure based on the decomposition of hydrophobic deep eutectic solvents...
-
Enhanced bioethanol production from sugarcane bagasse: combination of liquid hot water and deep eutectic solvent pretreatment for optimized enzymatic saccharification
In the present study, a sustainable pretreatment methodology combining liquid hot water and deep eutectic solvent is proposed for the efficient...
-
Optimization of Accelerated Solvent Extraction of Phenolic Compounds from Chaga Using Response Surface Methodology
An accelerated solvent extraction (ASE) method was investigated to maximize the total phenolic content (TPC) and the antioxidant activity (DPPH) of...
-
A green approach for the synthesis of 2-oxo-1,2,3,4-tetrahydropyrimidines through oxidative functionalization of methyl arenes/benzyl derivatives via in situ generated urea
The present work revealed a novel one-pot synthesis of 2-oxo-1,2,3,4-tetrahydropyrimidines. It involved the use of methyl arenes as a surrogate of...
-
Combination of switchable hydrophilic solvent liquid–liquid microextraction with QuEChERS for trace determination of triazole fungicide pesticides by GC–MS
This work first proposed a novel green and efficient method based on Quick, Easy, Cheap, Efficient, Rugged, and Safe pretreatment (QuEChERS) combined...
-
Novel Sequential Microwave-Ultrasonic-Assisted Extraction of Phenolic Compounds from Jackfruit (Artocarpus heterophyllus Lam.) Peel Waste Using Choline Chloride-Lactic Acid Deep Eutectic Solvent
Phenolic compounds in jackfruit ( Artocarpus heterophyllus Lam.) peel were extracted using novel sequential microwave-ultrasonic-assisted extraction...
-
Optimization Model of Starch Nanoparticles Production Loaded with Phenolic Compounds from Green Propolis Extract
Phenolic compounds from propolis have promising food and pharmaceutical applications because of their antioxidant and antimicrobial properties. The...
-
Metal-Phase Microextraction (MPME) as a Novel Solvent-Free and Green Sample Preparation Technique: Determination of Cadmium in Infant Formula and Real Water Samples
In this paper, metal-phase microextraction (MPME) was developed as a new solvent-free microextraction method based on iron. This technique is much...
-
Green Extraction of Carotenoids from Tomato By-products Using Sodium Dodecyl Sulphate
Tomato peel by-products contain high levels of lycopene, which has traditionally been extracted using organic solvents. This research focuses on the...
-
Solvent- and additive-free liquid-phase acceptorless dehydrogenation of benzyl alcohol to benzaldehyde catalyzed by carbon-encapsulating Cu nanoparticles: a combined experimental and theoretical study
In this work, a solvent- and additive-free catalytic system is built for acceptorless dehydrogenation of benzyl alcohol to benzaldehyde with H 2 ...
