IR Spectra of the hydroxyl coating of ?-Al2O3

1980 ◽  
Vol 33 (2) ◽  
pp. 851-854
Author(s):  
A. I. Trokhimets ◽  
P. P. Mardilovich ◽  
D. K. Buslov
Keyword(s):  
Ir Spectra ◽  
Hydroxyl Coating

IR spectra of the hydroxyl coating of ?-Al2O3

1979 ◽  
Vol 31 (2) ◽  
pp. 995-998
Author(s):  
A. I. Trokhimets ◽  
P. P. Mardilovich ◽  
D. K. Buslov ◽  
G. N. Lysenko
Keyword(s):  
Ir Spectra ◽  
Hydroxyl Coating

Visualization of ultrasonic cavitation in visible and IR spectra

2010 ◽  
Author(s):  
A. Osterman ◽  
O. Coutier-Delgosha ◽  
M. Hocevar ◽  
B. Sirok
Keyword(s):  
Ir Spectra ◽  
Ultrasonic Cavitation

Light- or Dark-Colored, L-DOPA-Based Melanins

2018 ◽  
Author(s):  
Koen Vercruysse ◽  
Margaret M. Whalen
Keyword(s):  
Human Physiology ◽  
Ir Spectra ◽  
Immune Cells ◽  
Chemical Properties ◽  
Chemical Signature ◽  
Ft Ir

<p>This report is a continuation of previous research on the H<sub>2</sub>O<sub>2</sub>-mediated synthesis of melanin-like pigments. We synthesized and characterized L-DOPA-based pigments using air- or H<sub>2</sub>O<sub>2</sub>-mediated<sub> </sub>oxidation. We compared their physic-chemical properties and evaluated their capacity to affect the interleukin release from immune cells. The use of higher concentrations of H<sub>2</sub>O<sub>2</sub> resulted in melanin-like materials with a distinct chemical signature in their FT-IR spectra and a lighter color. All pigments enhanced the interleukin release from immune cells. The possibility that lighter-colored melanins can be generated is discussed in the context of the importance of melanin-based pigmentation in human physiology.</p>

Sulphoamidic Phtalocyaninic Pigments and Dyes(II)

2008 ◽  
Vol 59 (5) ◽  
Author(s):  
Elena Stingaciu ◽  
Corneliu Minca ◽  
Ion Sebe
Keyword(s):  
Ir Spectra ◽  
Aromatic Amines ◽  
Free Groups ◽  
Cyanuric Chloride ◽  
Layer Chromatography ◽  
Phenylene Diamine

This work concerns the synthesis of pigments and phtalocyanine dyes obtained through the sulphonation of copper phtalocyanine and amidation with some aliphatic and aromatic amines (lauryl-amine, i-propyl-amine, hexadecyl-amine, stearyl-amine and acetyl-p-phenylene-diamine) with good properties for the electrotechnic utilisation and for toner materials. The pigments with amino free groups are transformed by condensation with cyanuric chloride in phtalocyanine pigments with different tinctorial properties. The dyes were analyzed through the layer chromatography and were characterized on the IR spectra bases and tinctorial tests.

The structure and IR spectra of oxygen-containing carbofunctional trimethylgermanes

1974 ◽  
Vol 39 (9) ◽  
pp. 2651-2655 ◽  
Author(s):  
J. Pola ◽  
M. Jakoubková ◽  
V. Chvalovský
Keyword(s):  
Ir Spectra
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