Computer-assisted study of the relationship between molecular structure and surface tension of organic compounds

1992 ◽  
Vol 32 (1) ◽  
pp. 109-115 ◽  
Author(s):  
David T. Stanton ◽  
Peter C. Jurs
Keyword(s):  
Molecular Structure ◽  
Surface Tension ◽  
Organic Compounds ◽  
Computer Assisted ◽  
The Relationship

scholarly journals Studies on the antibacterial properties of the bile acids and some compounds derived from cholanic acid

1947 ◽  
Vol 134 (877) ◽  
pp. 523-537 ◽  
Keyword(s):  
Molecular Structure ◽  
Staphylococcus Aureus ◽  
Surface Tension ◽  
Bile Acids ◽  
Antibacterial Properties ◽  
Simple Relationship ◽  
The Relationship ◽  
Positive Complex ◽  
Cholanic Acid ◽  
Limiting Dilution

In this work the bile acids and certain of their derivatives have been studied with regard to their bacteriostatic power and relative activities in removing the Gram-positive complex from yeast. No correlation between these properties was obtained. A simple relationship was apparent, however, between the bacteriostatic activities of the compounds and their ability to depress the surface tension of the metabolism medium. The limiting dilution at which the 'active' bile acids were bacteriostatic for Staphylococcus aureus corresponded to a depression of the surface tension of the medium by approximately 4∙5 dynes. The relationship between bacteriostatic power and surface activity was only valid for this particular series of compounds of closely related molecular structure.

Through conformation change and charge trapping to achieve binary/ternary rewritable memory performance of carbazole-based organic molecules

2021 ◽  
Author(s):  
Yanhua Yang ◽  
Jinwen Ma ◽  
Xiujuan He ◽  
Gaozhang Gou ◽  
Huiwu Mao ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Organic Compounds ◽  
Organic Molecules ◽  
Memory Performance ◽  
Charge Trapping ◽  
Conformation Change ◽  
The Relationship ◽  
Memory Characteristics

To better understand the relationship between molecular structure and memory characteristics, two carbazole-based organic compounds (Cz-2Ph3F 6FDA and Cz-2TPA 6FDA) with different ratios of electron-donating and electron-withdrawing are designed and...

scholarly journals Studies on the relationship between molecular structure and the biliary excretion of organic compounds

1969 ◽  
Vol 113 (3) ◽  
pp. 27P-28P ◽  
Author(s):  
P C Hirom ◽  
P Millburn ◽  
R L Smith ◽  
R T Williams
Keyword(s):  
Molecular Structure ◽  
Organic Compounds ◽  
Biliary Excretion ◽  
The Relationship

The Effect of Donor Molecular Structure on Power Conversion Efficiency of Small-Molecule-Based Organic Solar Cells

2019 ◽  
Vol 16 (3) ◽  
pp. 236-243 ◽  
Author(s):  
Hui Zhang ◽  
Yibing Ma ◽  
Youyi Sun ◽  
Jialei Liu ◽  
Yaqing Liu ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Molecular Design ◽  
Power Conversion ◽  
The Relationship

In this review, small-molecule donors for application in organic solar cells reported in the last three years are highlighted. Especially, the effect of donor molecular structure on power conversion efficiency of organic solar cells is reported in detail. Furthermore, the mechanism is proposed and discussed for explaining the relationship between structure and power conversion efficiency. These results and discussions draw some rules for rational donor molecular design, which is very important for further improving the power conversion efficiency of organic solar cells based on the small-molecule donor.

scholarly journals Influence of moisture content on the contact angle and surface tension measured on birch wood surfaces

2021 ◽  
Author(s):  
Rami Benkreif ◽  
Fatima Zohra Brahmia ◽  
Csilla Csiha
Keyword(s):  
Surface Tension ◽  
Contact Angle ◽  
Moisture Content ◽  
Solid Wood ◽  
Contact Angles ◽  
Surface Moisture ◽  
Wood Coatings ◽  
The Relationship ◽  
Wood Surfaces

AbstractSurface tension of solid wood surfaces affects the wettability and thus the adhesion of various adhesives and wood coatings. By measuring the contact angle of the wood, the surface tension can be calculated based on the Young-Dupré equation. Several publications have reported on contact angle measured with different test liquids, under different conditions. Results can only be compared if the test conditions are similar. While the roles of the drop volume, image shooting time etc., are widely recognized, the role of the wood surface moisture content (MC) is not evaluated in detail. In this study, the effect of wood moisture content on contact angle values, measured with distilled water and diiodomethane, on sanded birch (Betula pendula) surfaces was investigated, in order to find the relationship between them. With increasing MC from approximately 6% to 30%, increasing contact angle (decreasing surface tension) values were measured according to a logarithmic function. The function makes possible the calculation of contact angles that correspond to different MCs.

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