The nano-crystallization and fluorescence of terbium doped Na2O/K2O/CaO/CaF2/Al2O3/SiO2 glasses

2015 ◽  
Vol 3 (10) ◽  
pp. 2274-2281 ◽  
Author(s):  
Christian Bocker ◽  
Andreas Herrmann ◽  
Peter Loch ◽  
Christian Rüssel
Keyword(s):  
Molar Composition ◽  
Oxyfluoride Glasses

Oxyfluoride glasses with the molar composition 59.3 SiO2·3.7 Al2O3·12.3 CaO·5.3 K2O·9.0 Na2O·10.4 CaF2 were doped with different Tb3+-concentrations (1 × 1019, 5 × 1019 and 1 × 1020 cm−3).

Er-doped and Er, Yb co-doped oxyfluoride glasses and glass–ceramics, structural and optical properties

2011 ◽  
Vol 33 (11) ◽  
pp. 1630-1637 ◽  
Author(s):  
Radosław Lisiecki ◽  
Elżbieta Augustyn ◽  
Witold Ryba-Romanowski ◽  
Michał Żelechower
Keyword(s):  
Optical Properties ◽  
Glass Ceramics ◽  
Structural And Optical Properties ◽  
Oxyfluoride Glasses ◽  
Er Doped ◽  
Co Doped

Transfer of arachidonic acid from phosphatidylcholine to phosphatidylethanolamine during storage of human platelets for 5 days

1990 ◽  
Vol 68 (1) ◽  
pp. 117-122 ◽  
Author(s):  
Julie Lacasse ◽  
Rosalind S. Labow ◽  
Morris Kates ◽  
George A. Adams
Keyword(s):  
Arachidonic Acid ◽  
Storage Conditions ◽  
Phospholipid Metabolism ◽  
Human Platelets ◽  
Acyl Transfer ◽  
Acid Uptake ◽  
Molar Composition ◽  
Platelet Storage ◽  
Head Groups ◽  
Glycerol Uptake

Human platelets are routinely stored for 5 days prior to transfusion, but they deteriorate during storage. Since very little information is available concerning the effect of storage on platelet phospholipid metabolism, the biosynthesis and remodelling of platelet phospholipids were studied. Platelets were incubated separately with [14C]glycerol, [14C]arachidonic acid, or a mixture of [14C]glycerol and [3H]arachidonic acid, and stored in a platelet storage medium at 22 °C. Maximum glycerol uptake (20%) was attained after 6 h. [14C]Glycerol was incorporated into phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol, and to a much lesser extent phosphatidylserine, under storage conditions for 5 days. The distribution of the initial arachidonic acid uptake was not as would be expected based on the molar composition of endogenous phospholipids. The arachidonic acid (75%) which was taken up within 10 min of incubation distributed 55% into the phosphatidylcholine and only 14% into the phosphatidylethanolamine; the molar composition is actually 18% phosphatidylcholine and 47% phosphatidylethanolamine. During storage, there was a continuous transfer of the radiolabeled arachidonic acid from phosphatidylcholine to phosphatidylethanolamine until, after 5 days, the distribution of arachidonic acid was identical to the endogenous distribution. In contrast, no change in the glycerol incorporation pattern was detected during storage. This suggested that the mechanism for arachidonic acid redistribution was not through exchange of polar head groups, but through acyl transfer of arachidonic acid from phosphatidylcholine to phosphatidylethanolamine.Key words: human, platelet, storage, arachidonate, phospholipids.

Spectroscopic properties of Dy3+-doped oxyfluoride glasses for white light emitting diodes

2013 ◽  
Vol 3 (1) ◽  
pp. 61-70 ◽  
Author(s):  
Kummara Venkata Krishnaiah ◽  
Kagola Upendra Kumar ◽  
Chalicheemalapalli Kulala Jayasankar
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Spectroscopic Properties ◽  
Light Emitting ◽  
Oxyfluoride Glasses ◽  
White Light Emitting Diodes

Effect of mixed oxide/fluoride bonding on the dielectric properties of oxyfluoride glasses

2017 ◽  
Vol 28 (24) ◽  
pp. 18986-18993
Author(s):  
Satwinder Singh Danewalia ◽  
Nidhi Gupta ◽  
Sofia Aggarwal ◽  
K. Singh
Keyword(s):  
Dielectric Properties ◽  
Mixed Oxide ◽  
Oxyfluoride Glasses

Oxyfluoride Glasses

1991 ◽  
Vol 67-68 ◽  
pp. 129-136 ◽  
Author(s):  
Michel Poulain ◽  
Marcel Poulain
Keyword(s):  
Oxyfluoride Glasses

Spectral investigations on Dy3+-doped transparent oxyfluoride glasses and nanocrystalline glass ceramics

2009 ◽  
Vol 105 (1) ◽  
pp. 013516 ◽  
Author(s):  
P. Babu ◽  
Kyoung Hyuk Jang ◽  
Eun Sik Kim ◽  
Liang Shi ◽  
Hyo Jin Seo ◽  
...  
Keyword(s):  
Glass Ceramics ◽  
Oxyfluoride Glasses

scholarly journals Effect of heat-treatment on luminescence and structure of Ag nanoclusters doped oxyfluoride glasses and implication for fiber drawing

2012 ◽  
Vol 34 (4) ◽  
pp. 616-621 ◽  
Author(s):  
A.S. Kuznetsov ◽  
Ngo T. Cuong ◽  
V.K. Tikhomirov ◽  
M. Jivanescu ◽  
A. Stesmans ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Fiber Drawing ◽  
Oxyfluoride Glasses ◽  
Ag Nanoclusters

Composition–Structure–Property Correlations in Rare-Earth-Doped Heavy Metal Oxyfluoride Glasses

2019 ◽  
Vol 123 (36) ◽  
pp. 22478-22490 ◽  
Author(s):  
Carsten Doerenkamp ◽  
Eduar Carvajal ◽  
Claudio J. Magon ◽  
Walter J. G. J. Faria ◽  
J. Pedro Donoso ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Rare Earth ◽  
Structure Property ◽  
Oxyfluoride Glasses ◽  
Composition Structure ◽  
Rare Earth Doped ◽  
Property Correlations
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