Heavy Water as a Probe of the Free Radical Nature and Electrical Conductivity of Melanin

2015 ◽  
Vol 119 (48) ◽  
pp. 14994-15000 ◽  
Author(s):  
Shermiyah B. Rienecker ◽  
A. Bernardus Mostert ◽  
Gerhard Schenk ◽  
Graeme R. Hanson ◽  
Paul Meredith
Keyword(s):  
Electrical Conductivity ◽  
Free Radical ◽  
Heavy Water ◽  
Radical Nature

The chemistry of pyrrolic compounds. III. The free radical nature of the oxyporphyrins

1966 ◽  
Vol 19 (8) ◽  
pp. 1481 ◽  
Author(s):  
PS Clezy ◽  
FD Looney ◽  
AW Nichol ◽  
GA Smythe
Keyword(s):  
Free Radical ◽  
Structure Of Molecules ◽  
Radical Nature ◽  
Radical Character

The preparation of a-meso-oxy-1,2,3,4,5,8-hexamethyl-6,7-bis-(2?- ethoxycarbonylethyl)porphin (Ib), a new member of the oxyporphyrin series, is described. The structure of molecules of this type, which have now been shown to exhibit radical character, is further discussed.

scholarly journals Shedding Light on the Free Radical Nature of Sulfonated Melanins

2020 ◽  
Vol 124 (46) ◽  
pp. 10365-10373
Author(s):  
J. V. Paulin ◽  
A. Batagin-Neto ◽  
P. Meredith ◽  
C. F. O. Graeff ◽  
A. B. Mostert
Keyword(s):  
Free Radical ◽  
Radical Nature

Free Radical Nature of Compound I

1982 ◽  
pp. 285-291 ◽  
Author(s):  
Rick Rutter ◽  
Lowell P. Hager ◽  
Peter Debrunner
Keyword(s):  
Free Radical ◽  
Compound I ◽  
Radical Nature

THE ELECTRICAL CONDUCTIVITY OF GELATIN FILM HUMIDIFIED WITH HEAVY WATER VAPOR

1961 ◽  
Vol 39 (5) ◽  
pp. 657-661 ◽  
Author(s):  
C. D. Niven
Keyword(s):  
Electrical Conductivity ◽  
Water Vapor ◽  
Heavy Water ◽  
Gelatin Film ◽  
Gelatin Films

When protons were replaced by deuterium nuclei in gelatin films, by exposure of dry films in 75% relative humidities, the resistance increased very markedly.

scholarly journals Electrically Conductive Nanocomposites Composed of Styrene–Acrylonitrile Copolymer and rGO via Free-Radical Polymerization

Polymers ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 1221
Author(s):  
Eun Bin Ko ◽  
Dong-Eun Lee ◽  
Keun-Byoung Yoon
Keyword(s):  
Electrical Conductivity ◽  
Graphene Oxide ◽  
Free Radical ◽  
Reduced Graphene Oxide ◽  
Radical Polymerization ◽  
Free Radical Polymerization ◽  
Electrically Conductive ◽  
Acrylonitrile Copolymer ◽  
Reduced Graphene ◽  
Styrene Acrylonitrile

The polymerizable reduced graphene oxide (mRGO) grafted styrene–acrylonitrile copolymer composites were prepared via free radical polymerization. The graphene oxide (GO) and reduced graphene oxide (rGO) was reacted with 3-(tri-methoxysilyl)propylmethacrylate (MPS) and used as monomer to graft styrene and acrylonitrile on its surface. The successful modification and reduction of GO was confirmed using Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analyzer (TGA), Raman and X-ray diffraction (XRD). The mRGO was prepared using chemical and solvothermal reduction methods. The effect of the reduction method on the composite properties and nanosheet distribution in the polymer matrix was studied. The thermal stability, electrical conductivity and morphology of nanocomposites were studied. The electrical conductivity of the obtained nanocomposite was very high at 0.7 S/m. This facile free radical polymerization provides a convenient route to achieve excellent dispersion and electrically conductive polymers.

The Free-Radical Nature of Nitroso Compounds

1965 ◽  
Vol 4 (8) ◽  
pp. 688-688 ◽  
Author(s):  
W. Theilacker ◽  
A. Knop ◽  
H. Uffmann
Keyword(s):  
Free Radical ◽  
Nitroso Compounds ◽  
Radical Nature
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