ChemInform Abstract: CATALYTIC ADDITIONS OF OXIRANES WITH CARBON DIOXIDE THROUGH FREE ANIONS (ACTIVATED BY A CROWN ETHER)

1982 ◽  
Vol 13 (24) ◽  
Author(s):  
K. NAITO ◽  
H. KOINUMA ◽  
H. HIRAI
Keyword(s):  
Carbon Dioxide ◽  
Crown Ether

scholarly journals Addition Reaction of Epoxy Compounds with Carbon Dioxide Using Insoluble Polymer-Supported Crown Ether Complexes as Catalysts.

1993 ◽  
Vol 50 (7) ◽  
pp. 577-582 ◽  
Author(s):  
Jun YAMASHITA ◽  
Atsushi KAMEYAMA ◽  
Tadatomi NISHIKUBO ◽  
Wakiti FUKUDA ◽  
Masao TOMOI
Keyword(s):  
Carbon Dioxide ◽  
Crown Ether ◽  
Addition Reaction ◽  
Crown Ether Complexes ◽  
Insoluble Polymer ◽  
Polymer Supported

Efficient Fixation of Carbon Dioxide into Poly(glycidyl methacrylate) Containing Pendant Crown Ether

2003 ◽  
Vol 36 (5) ◽  
pp. 1514-1521 ◽  
Author(s):  
Shin-ichi Yamamoto ◽  
Osamu Moriya ◽  
Takeshi Endo
Keyword(s):  
Carbon Dioxide ◽  
Crown Ether ◽  
Glycidyl Methacrylate ◽  
Fixation Of Carbon Dioxide

Ring Size Effect of Crown Ether on the Fixation of Carbon Dioxide into an Oxirane Polymer

2005 ◽  
Vol 38 (6) ◽  
pp. 2154-2158 ◽  
Author(s):  
Shin-ichi Yamamoto ◽  
Osamu Moriya ◽  
Takeshi Endo
Keyword(s):  
Carbon Dioxide ◽  
Crown Ether ◽  
Size Effect ◽  
Ring Size ◽  
Fixation Of Carbon Dioxide

scholarly journals Catalytic Additions of Oxiranes with Carbon Dioxide through Free Anions Activated by a Crown Ether

1982 ◽  
pp. 292-294
Author(s):  
Katsuyuki NAITO ◽  
Hideomi KOINUMA ◽  
Hidefumi HIRAI
Keyword(s):  
Carbon Dioxide ◽  
Crown Ether

Solubility of novel open-chain crown ether bridged diphosphates in supercritical carbon dioxide

2013 ◽  
Vol 67 ◽  
pp. 40-47 ◽  
Author(s):  
Qilong Ren ◽  
Di Duan ◽  
Hai Zhang ◽  
Baogen Su ◽  
Zhiguo Zhang ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Supercritical Carbon Dioxide ◽  
Crown Ether ◽  
Open Chain ◽  
Supercritical Carbon

Electron Cytochemical Study of Carbon Dioxide Laser Effect on Rhesus Monkey Cornea

1974 ◽  
Vol 32 ◽  
pp. 224-225
Author(s):  
K. C. Tsou ◽  
J. Morris ◽  
P. Shawaluk ◽  
B. Stuck ◽  
E. Beatrice
Keyword(s):  
Carbon Dioxide ◽  
Electron Microscope ◽  
Rhesus Monkey ◽  
Carbon Dioxide Laser ◽  
Cytochemical Study ◽  
Laser Effect

While much is known regarding the effect of lasers on the retina, little study has been done on the effect of lasers on cornea, because of the limitation of the size of the material. Using a combination of electron microscope and several newly developed cytochemical methods, the effect of laser can now be studied on eye for the purpose of correlating functional and morphological damage. The present paper illustrates such study with CO2 laser on Rhesus monkey.

The Critical Point Drying Method Applied to Scanning Electron Microscopy of L-929 Cells

1970 ◽  
Vol 28 ◽  
pp. 278-279
Author(s):  
Charles TurnbiLL ◽  
Delbert E. Philpott
Keyword(s):  
Electron Microscopy ◽  
Carbon Dioxide ◽  
Surface Tension ◽  
Critical Point ◽  
Freeze Drying ◽  
Attractive Alternative ◽  
Crystal Formation ◽  
Critical Point Drying ◽  
Time Required ◽  
Scanning Electron

The advent of the scanning electron microscope (SCEM) has renewed interest in preparing specimens by avoiding the forces of surface tension. The present method of freeze drying by Boyde and Barger (1969) and Small and Marszalek (1969) does prevent surface tension but ice crystal formation and time required for pumping out the specimen to dryness has discouraged us. We believe an attractive alternative to freeze drying is the critical point method originated by Anderson (1951; for electron microscopy. He avoided surface tension effects during drying by first exchanging the specimen water with alcohol, amy L acetate and then with carbon dioxide. He then selected a specific temperature (36.5°C) and pressure (72 Atm.) at which carbon dioxide would pass from the liquid to the gaseous phase without the effect of surface tension This combination of temperature and, pressure is known as the "critical point" of the Liquid.

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