Browsing by Title Artículos de revistas
Now showing items 2457-2476 of 2801
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(Elsevier B.V., 2019)An electrochemical sensor for the determination of Cu(II) in bivalve mollusks using a glassy carbon electrode modified with p-tert-butylcalix [4]arene-bis-cyrhetrenylimine (Cy2(Calix [4])) by square wave anodic stripping ...
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(Sociedad Chilena de Química, 2008-06)In this work we describe the synthesis and characterization of the Co2Cu4Te4O11Cl4 phase prepared by the hydrothermal technique. From the polycrystalline X-ray diffraction pattern the obtained new phase was indexed in the ...
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(Wiley, 2017)A series of novel 3-indolylpropyl derivatives was synthesized and evaluated for their binding affinities at the serotonin-1A receptor subtype (5-HT1AR) and the 5-HT transporter (SERT). Compounds 11b and 14b exhibited the ...
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(2013)A series of novel hydroxy-coumarin-chalcone hybrid compounds 2a-i has been synthesized by employing a simple and efficient methodology. An electrochemical characterization using cyclic voltammetry and ESR spectroscopy were ...
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(American Chemical Society, 2013)A series of novel hydroxy-coumarin−chalcone hybrid compounds 2a−i has been synthesized by employing a simple and efficient methodology. An electrochemical characterization using cyclic voltammetry and ESR spectroscopy ...
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(2014)In this paper, a series of six dihydropyridine-fused coumarins were synthesized and electrochemically characterized in dimethylformamide (DMF). Dihydropyridine ring oxidation on glassy carbon electrode (GCE) for condensed ...
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(Elsevier, 2013)tIn this paper, a series of six dihydropyridine-fused coumarins were synthesized and electrochemicallycharacterized in dimethylformamide (DMF).Dihydropyridine ring oxidation on glassy carbon electrode (GCE) for condensed ...
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(Royal Society of Chemistry, 2020)A new series of heteroaryl nitrones were synthesized and evaluated as free radical traps due to the results showed in our previous report. The physicochemical characterization of these new nitrones by electron spin resonance ...
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(Freund Publishing House Ltd, 2000)A straightforward synthesis of a group of 4-alkylamino-6-nitroquinolines starting from a common intermediate, 5,8-dimethoxy-6-nitro-4(1H)quinolone 3, is described. These compounds were tested in vitro as potential ...
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(2012)Gold nanoparticles (AuNPs) have been extensively used in biological applications because of their biocompatibility, size, and ease of characterization, as well as an extensive knowledge of their surface chemistry. These ...
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(AMER CHEMICAL SOC, 1996-04)A new series of liquid-crystalline Schiff base lanthanide compounds of the general formula (L''H)(2)L''MX(2) was prepared (L''H = H2n+1CnOC6H3(OH)CHNCmH2m+1; n = 7, 12; m = 14, 18; M = La, Tb, Dy, Er, Nd, Ho, Eu, Pr, and ...
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(Royal Soc Chemistry, 2017)The simple reaction of chitosan with metallic salts yields (chitosan) (MLn)(x), MLn = MnCl2, CoCl2, NiCl2, macromolecular complexes which, after a thermal treatment at 800 degrees C under air, give nanostructured Mn2O3, ...
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(Royal Society of Chemistry, 1998)The UV irradiation of [Re(η5-C5Me5)(CO)3] in the presence of C6F6 effected intermolecular C-F and intramolecular C-H activation generating [Re(η6-C5Me4CH2)(CO) 2(C6F5)] 1a in two isomeric forms. In the major isomer the CH2 ...
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(Elsevier, 2022)American trypanosomiasis or Chagas disease is caused by the protozoan parasite Trypanosoma cruzi, and is considered a neglected disease, being an important problem for public health. Benznidazole (BZN) is the drug used to ...
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(SPRINGER/PLENUM PUBLISHERS, 2006-10)5,6-Dimethoxy-2,3-dihydro-7H-dibenzo[de,h] quinolin-7-one has been synthesized by cyclization of phenylethylaminophtalides with polyphosphoric acid and characterized by X-ray diffraction and NMR assignments. A theoretical ...
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(SPRINGER/PLENUM PUBLISHERS, 2006-10)5,6-Dimethoxy-2,3-dihydro-7H-dibenzo[de,h] quinolin-7-one has been synthesized by cyclization of phenylethylaminophtalides with polyphosphoric acid and characterized by X-ray diffraction and NMR assignments. A theoretical ...
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(2005)The new oxoisoaporphines 7H-dibenzo[de,h]quinolin-7-one, 5-methoxy-7H-dibenzo[de,h]quinolin-7-one, 5-methoxy-6-hydroxy-7H-dibenzo[de,h] quinolin-7-one, 5-hydroxy-7H-dibenzo[de,h]quinolin-7-one and 5-methoxy-6H-dibenzo[de ...
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(Elsevier, 2018-06)We report the synthesis, characterization and thermoelectric properties of lead-free AgSnmSbSe2Tem (m = 2 and 10) systems. Powder X-ray diffraction patterns and Rietveld refinement results were consistent with phases ...
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Synthesis and unusual swelling behavior of combined cationic/non-ionic hydrogels based on chitosan (WILEY-V C H VERLAG GMBH, 2003-10-15)Hydrogel-forming copolymers based on chitosan grafted with different amounts of polyacrylamide were synthesized and its swelling capacity determined in distilled water, sodium chloride solutions, as well as in buffer ...
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(Desalination Publ, 2017)A nanoadsorbent based on delta-MnO2 and Fe3O4 was synthesized and assessed as an adsorbent for removing some heavy metals from acidic aqueous solution. The delta-MnO2 adsorbent was prepared in aqueous alkaline medium using ...
