scholarly journals Chromatographic Separation Studies of Penicillins, Cephalosporins and Carbapenems on Transition-Metal Silicate Modified Silica Layers

2012 ◽  
Vol 28 (8) ◽  
pp. 823-826 ◽  
Author(s):  
Dhruv K. SINGH ◽  
Gunjan MAHESHWARI
Keyword(s):  
Transition Metal ◽  
Chromatographic Separation ◽  
Modified Silica ◽  
Metal Silicate ◽  
Silica Layers

scholarly journals Electronic structure of noncrystalline transition metal silicate and aluminate alloys

2001 ◽  
Vol 79 (12) ◽  
pp. 1775-1777 ◽  
Author(s):  
G. Lucovsky ◽  
G. B. Rayner ◽  
D. Kang ◽  
G. Appel ◽  
R. S. Johnson ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Transition Metal ◽  
Metal Silicate

Temperature-Dependent PL Intensity in FLA-Synthesized and Hydrogen-Modified Silica Layers with Silicon Nanocrystals

2019 ◽  
Vol 16 (40) ◽  
pp. 105-111 ◽  
Author(s):  
Vladimir Volodin ◽  
Victor Stuchinsky ◽  
Svetlana Cherkova ◽  
Grigory Kachurin ◽  
Rossen Yankov
Keyword(s):  
Silicon Nanocrystals ◽  
Temperature Dependent ◽  
Modified Silica ◽  
Silica Layers ◽  
Pl Intensity

Wettability of modified silica layers deposited on glass support activated by plasma

2015 ◽  
Vol 353 ◽  
pp. 843-850 ◽  
Author(s):  
Konrad Terpiłowski ◽  
Diana Rymuszka ◽  
Olena V. Goncharuk ◽  
Iryna Ya. Sulym ◽  
Vladimir M. Gun’ko
Keyword(s):  
Modified Silica ◽  
Silica Layers ◽  
Glass Support

Transition metal-silicate analogs of zeolites

1993 ◽  
Vol 22 (3) ◽  
pp. 227-237 ◽  
Author(s):  
Paul Ratnasamy ◽  
Rajiv Kumar
Keyword(s):  
Transition Metal ◽  
Metal Silicate

scholarly journals Phthalocyanine-modified silica gels and their application in the purification of unsymmetrical phthalocyanines

1993 ◽  
Vol 71 (9) ◽  
pp. 1319-1326 ◽  
Author(s):  
Clifford C. Leznoff ◽  
Colin R. McArthur ◽  
Yongnian Qin
Keyword(s):  
Column Chromatography ◽  
Chromatographic Separation ◽  
New Method ◽  
Silica Gels ◽  
Modified Silica ◽  
Acidic Hydrolysis ◽  
Chromatographic Media ◽  
Aggregation Phenomenon ◽  
Modified Silica Gels

Five species of phthalocyanine-modified silica gels were prepared. The loadings of phthalocyanine on these silica gels were determined by acidic hydrolysis. The concept of using the aggregation phenomenon to advantage to aid chromatographic separation of unsymmetrical phthalocyanines was investigated by employing these modified silica gels as chromatographic media to purify unsymmetrical phthalocyanines. Four groups of phthalocyanine mixtures were prepared by mixed condensation. One of the desired unsymmetrical phthalocyanines was successfully purified by conventional column chromatography while others were separated by the new method described herein.

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