synthesis and antioxidant capacity of a c12-naphthylamine
Synthesis and antioxidant capacity of a C12-naphthylamine
In addition, the C 12-naphthylamine antioxidant had a better antioxidant efficiency in both scavenging test and thermo-oxidative test compared with N-phenyl-2-naphthylamine and N,N′-di-2-naphthyl-p-phenylenediamine.
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Evaluation of antioxidant potential and reduction capacity
Antioxidant capacity ranged from 116.0 to 1.8 µmol TE g-1 DW with Rosmarinus sp. and Zataria Multiflora having the highest antioxidant capacity. Percent inhibition of DPPH radicals followed the same order as antioxidant capacity and ranged from 93.4 to 3.03 percent.
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Synthesis, Characterization and Antioxidant Property
Synthesis of the complex. The synthesis of the Quercetin–Tb(III) complex had been carried out according to our previous work. 6 Briefly, in a 50-cm 3 two-necked round-bottomed flask equipped with an electromagnetic stirrer and thermometer, quercetin·2H 2 O (0.05 g, 0.008 mol) dissolved in MeOH (20 ml) within 15 min, the color of the solution was light yellow.
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Synthesis and antioxidant capacity of novel stable 5
Synthesis and antioxidant capacity of novel stable 5-tellurofuranose derivatives† Elton L. Borges , abc Marta T. Ignasiak , a Yuliia Velichenko , b Gelson Perin , c Craig A. Hutton , b Michael J. Davies * ad and Carl H. Schiesser * d
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SYNTHESIS AND ANTIOXIDANT CAPACITY OF (CHLOROBENZYLIDENE
Antioxidant capacity The antioxidant ability of chemical compounds might be due to free radicals scavenging, metal ions chelating and hydrogen atoms or electrons transferring [22]. In our study, the antioxidant capacity of the synthesized series of hydrazone derivatives was screened by using electron transfer
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Synthesis, characterization and biological assessment of a
Antioxidant capacity In vitro free radical scavenging activity of the synthesized 5Br2DM2PH was performed through DPPH assay. In order to determine IC 50 , five different concentrations (1–5 mg/mL) of the 5Br2DM2PH were prepared in ethanol.
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The Synthesis and Antioxidant Capacities of a range
The Synthesis and Antioxidant Capacities of a range of Resveratrol and Related Phenolic Glucosides. A thesis presented in fulfilment of the requirements for the degree of Doctor of Philosophy Qinyong Mao BSc (2004) Zhejiang Normal University MSc (2007) Wollongong University The University of Adelaide School of Agriculture, Food and Wine
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Compounding EPDM for heat resistance | Request PDF
In addition, the C12-naphthylamine antioxidant had a better antioxidant efficiency in both scavenging test and thermo-oxidative test compared with N-phenyl-2-naphthylamine and N,N′-di-2-naphthyl ...
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Synthesis and antioxidant capacity of 5-selenopyranose
Described is a convenient method for the syntheses of sulfur and selenium containing carbohydrate derivatives of l-gulodeoxynojirimycin and the corresponding C-5 epimer d-mannodeoxynojirimycin. The key step in the synthesis of the latter involves epimerisation of the C-5 hydroxyl group by an oxidation follow
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Synthesis of a novel sulfur-bearing secondary antioxidant
Synthesis of a novel sulfur-bearing secondary antioxidant with a high molecular weight and its comparative study on antioxidant behavior in polypropylene with two commercial sulfur-bearing ...
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Synthesis and antioxidant capacity of a C12-naphthylamine
A C12-naphthylamine antioxidant (3,3′-(dodecylazanediyl)bis(N-(4-(naphthalen-2-ylamino)phenyl) propanamide)) was successfully synthesized via Michael addition and amidation reactions. The chemical structure was analyzed by Fourier transform infrared spectra (FTIR), ¹H-nuclear magnetic
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Synthesis and antioxidant capacity of a C12-naphthylamine
A C12-naphthylamine antioxidant (3,3′-(dodecylazanediyl)bis(N-(4-(naphthalen-2-ylamino)phenyl) propanamide)) was successfully synthesized via Michael addition and amidation reactions. The chemical structure was analyzed by Fourier transform infrared spectra (FTIR), 1H-nuclear magnetic
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2-Naphthylamine
2-Naphthylamine is one of two isomeric aminonaphthalenes, compounds with the formula C10H7NH2. It is a colorless solid, but samples take on a reddish color in air because of oxidation. It was formerly used to make azo dyes
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Synthesis and Antimicrobial Properties of Naphthylamine Derivatives
4-Nitro-1-naphthylamine, nitrofuran aldehydes, and nitrobenzene aldehydes were used as pharmacophoric compounds having amino or aldehyde groups. Antimicrobial (antibacterial and antifungal) activity of the new compounds was tested in vitro against bacterial cultures
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Polymer Bulletin (v.74, #9) | www.chemweb.com
Synthesis and antioxidant capacity of a C12-naphthylamine antioxidant in polyethylene by Jun Wang; Yuru Wang; Lei Song; Hua Wang; JiamingKeywords: C12-naphthylamine antioxidant; Polyethylene; Thermo-oxidative; Antioxidant behavior. Dielectric properties of three-phase
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Antioxidant Capacity - an overview | ScienceDirect Topics
The antioxidant capacity of blood increases after consuming coffee and tea because antioxidantsIn a study of 12 healthy male volunteers who consumed 600 mL of green tea daily for 4 weeks, Sung et al.The authors measured total antioxidant capacity of various wines using this assay, and
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Synthesis and Antioxidant | Antioxidant | Radical (Chemistry)
Synthesis and Antioxidant - Free download as File (.pdf), Text File (.txt) or read online for free.Superoxide radical scavenging activity Te capacity of the examined MLT analogues to scavenge superoxide anion formation was determined spectro- photometrically.
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Synthesis and antimicrobial properties of naphthylamine | PubFacts
Objective: The aim of this study was to evaluate the influence of pharmacophores having naphthylamine and nitro groups on the4-Nitro-1-naphthylamine, nitrofuran aldehydes, and nitrobenzene aldehydes were used as pharmacophoric compounds having amino or aldehyde groups.
Send InquiryComparative evaluation of various total antioxidant capacity
ET-based assays measure the capacity of an antioxidant in the reduction of an oxidant, which changes colour when reduced. ET assays include the ABTS/TEAC, CUPRAC, DPPH, Folin-Ciocalteu and FRAP methods, each using different chromogenic redox reagents with different standard potentials.
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Synthesis of n-phenyl-2-naphthylamine - PrepChem.com
Synthesis of n-phenyl-2-naphthylamine.Three fractions are taken: about 80 grams of aniline, about 10 grams of an intermediate fraction containing some aniline, a little 1-naphthylamine, and mainlyAt 12 mm. pressure, the boiling point of aniline is about 73°, of 1-naphthylamine about 160°, and of
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