Articles with "aqueous medium" as a keyword



Mixed Surfactant Nano‐Assemblies for Allylic Alcohol Etherification in Aqueous Medium

Sign Up to like & get
recommendations!
Published in 2025 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.202500053

Abstract: Mixed nano‐assemblies formed by two surfactants have rarely been used to catalyze organic reactions. In this study, nano‐assemblies formed by SDS and CTAB were applied for the etherification of allylic alcohols with benzyl, aliphatic and… read more here.

Keywords: nano assemblies; allylic alcohol; aqueous medium; sds ctab ... See more keywords

Preparation of chitosan-based molecularly imprinted material for enantioseparation of racemic mandelic acid in aqueous medium by solid phase extraction.

Sign Up to like & get
recommendations!
Published in 2019 at "Journal of separation science"

DOI: 10.1002/jssc.201900825

Abstract: An S-mandelic acid (MA) imprinted chitosan resin (SMIC) was synthesized by cross-linking chitosan with glutaraldehyde in 2% acetic acid solution. SMIC was used to enantioselectively separate racemic MA in aqueous medium. When keeping the pH… read more here.

Keywords: enantioseparation; preparation chitosan; mandelic acid; molecularly imprinted ... See more keywords

β-Cyclodextrin as a Biomimetic Catalyst for the Efficient Synthesis of 4-Oxo-pyrido[1,2-a] Pyrimidine-3-Carbonitrile in Aqueous Medium

Sign Up to like & get
recommendations!
Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-017-1983-y

Abstract: Supramolecular β-cyclodextrin as a highly efficient, biodegradable, and reusable catalyst for the synthesis of 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbonitrile derivatives (4a–s) is investigated via a cascade reaction of aldehydes, malanonitrile and 2-aminopyridine in aqueous medium at 65 °C under ultrasonication.… read more here.

Keywords: oxo pyrido; pyrimidine carbonitrile; pyrido pyrimidine; catalyst ... See more keywords

Production of Levulinic Acid via Cellulose Conversion Over Metal Oxide-Loaded MOF Catalysts in Aqueous Medium

Sign Up to like & get
recommendations!
Published in 2019 at "Catalysis Letters"

DOI: 10.1007/s10562-019-03023-y

Abstract: Abstract In this study, Zr-MOF material (UiO-66) was modified with different metal oxides (CeO 2 , Ga 2 O 3 , and CoO) and employed in the conversion of cellulose to levulinic acid (LA) in… read more here.

Keywords: medium; conversion; metal oxide; metal ... See more keywords

Highly Selective Detection of Cr3 + Ion with Colorimetric & Fluorescent Response Via Chemodosimetric Approach in Aqueous Medium

Sign Up to like & get
recommendations!
Published in 2018 at "Journal of Fluorescence"

DOI: 10.1007/s10895-018-2228-1

Abstract: So far, very few numbers of chemosensors for Cr3+ ion have been reported. However, the main drawback of reported receptors are the lack of selectivity and other trivalent cations such as Fe3+, Al3+ and anions… read more here.

Keywords: cr3; chemodosimetric approach; ion; aqueous medium ... See more keywords

ZnO-Salen NPs Employed as Chemosensor for Detection of Al3+ and K+ in Aqueous Medium, Developing Human Cell Images

Sign Up to like & get
recommendations!
Published in 2024 at "Journal of Fluorescence"

DOI: 10.1007/s10895-024-03913-4

Abstract: ZnO nanoparticles (NPs) were prepared and characterized by different analytical methods and then they were used to decorate with N, N´-bis(salicylidene)ethylenediamine (salen) in order to perform as receptor for the metal ions in an aqueous… read more here.

Keywords: cell images; aqueous medium; cell; zno salen ... See more keywords

One-pot multicomponent synthesis in aqueous medium of 1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile and derivatives using a green and reusable nano-SiO2 catalyst from agricultural waste

Sign Up to like & get
recommendations!
Published in 2017 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-017-3104-3

Abstract: Nanosilica from wheat straw—an agricultural waste—was utilized as a novel and efficient heterogeneous catalyst for synthesis of bioactive pyrano[2,3-c]pyrazole derivatives via one-pot four-component reaction of various aryl aldehydes, hydrazine hydrate, ethyl acetoacetate, and malononitrile in… read more here.

Keywords: nano sio2; agricultural waste; spectroscopy; one pot ... See more keywords
Photo from wikipedia

Photochemical persistence of sulfa drugs in aqueous medium: kinetic study and mathematical simulations

Sign Up to like & get
recommendations!
Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-11715-x

Abstract: This study aimed at investigating the photochemical behavior of sulfa drugs containing five and six-membered heterocyclic substituents (sulfamethoxazole (SMX) and sulfadiazine (SDZ), respectively), in an aqueous medium. Despite their importance, studies devoted to the use… read more here.

Keywords: sulfa drugs; mathematical simulations; aqueous medium; study ... See more keywords

Synthesis of vaterite CaCO3 as submicron and nanosized particles using inorganic precursors and sucrose in aqueous medium

Sign Up to like & get
recommendations!
Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.12.142

Abstract: Abstract It is reported the synthesis of CaCO 3 vaterite as stable nanoparticles and submicron-sized by a simple and relatively rapid procedure. XRD, SEM and FTIR techniques have been used to characterize the precipitated products.… read more here.

Keywords: precipitation; aqueous medium; sucrose aqueous; vaterite ... See more keywords

Efficient Cu(II) adsorption from aqueous medium using organic-inorganic nanocomposite material

Sign Up to like & get
recommendations!
Published in 2019 at "Groundwater for Sustainable Development"

DOI: 10.1016/j.gsd.2019.100214

Abstract: Abstract This work reported the synthesis of polyaniline/Sn(IV) phosphate (PANI-TP) nanocomposite by sol-gel method and its subsequent utilization for Cu(II) remediation via adsorption process. The synthesized product was characterized by Scanning electron microscopy (SEM), Energy… read more here.

Keywords: microscopy; efficient adsorption; adsorption aqueous; process ... See more keywords

Solubilization of α-galactosylceramide in aqueous medium: Impact on Natural Killer T cell activation and antitumor responses.

Sign Up to like & get
recommendations!
Published in 2017 at "International journal of pharmaceutics"

DOI: 10.1016/j.ijpharm.2017.07.054

Abstract: The potent antitumor effect of α-galactosylceramide (α-GalCer) is based on its recognition by invariant Natural Killer T cells (iNKT) after its capture and presentation by antigen presenting cells including dendritic cells (DCs). Synthetic α-GalCer has… read more here.

Keywords: antitumor; natural killer; aqueous medium; galcer ... See more keywords