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The coins in the stack on the right are composed of copper with cupronickel cladding, and can be distinguished from the silver half dollars on the left by their visible copper cores. Cupronickel or copper–nickel (CuNi) is an alloy of copper with nickel, usually along with small quantities of other metals added for strength, such as iron and ...
Such molecules comprise a hydrophilic (literally 'water-loving') head-group (which may be ionic or non-ionic) attached to a hydrophobic ('water-hating') group. The micro-phase segregation of two incompatible components on a nanometer scale results in different type of solvent-induced extended anisotropic [ 3 ] arrangement, depending on the ...
A compound that has two immiscible hydrophilic and hydrophobic parts within the same molecule is called an amphiphilic molecule. Many amphiphilic molecules show lyotropic liquid-crystalline phase sequences depending on the volume balances between the hydrophilic part and hydrophobic part.
Dew drop on a hydrophobic leaf surface Cutting a water droplet using a superhydrophobic knife on superhydrophobic surfaces Water drops on the hydrophobic surface of grass In chemistry , hydrophobicity is the chemical property of a molecule (called a hydrophobe ) that is seemingly repelled from a mass of water . [ 1 ]
In some cases, both hydrophilic and hydrophobic properties occur in a single molecule. An example of these amphiphilic molecules is the lipids that comprise the cell membrane . Another example is soap , which has a hydrophilic head and a hydrophobic tail, allowing it to dissolve in both water and oil.
The term "Janus Particle" was coined by author Leonard Wibberley in his 1962 novel The Mouse on the Moon as a science-fictional device for space travel.. The term was first used in a real-world scientific context by C. Casagrande et al. in 1988 [8] to describe spherical glass particles with one of the hemispheres hydrophilic and the other hydrophobic.
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When consecutively measuring amino acids of a protein, changes in value indicate attraction of specific protein regions towards the hydrophobic region inside lipid bilayer. The hydrophobic or hydrophilic character of a compound or amino acid is its hydropathic character, [1] hydropathicity, or hydropathy.