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Dictionary » H » Hydrophobic

Hydrophobic

Definition

adjective

(1) (physics) (chemistry) Lacking an affinity for water; insoluble in water; repelling water.

(2) Of, or having hydrophobia (literally, the fear of or water).


Supplement

Examples of hydrophobic molecules include the alkanes, oils, fats, and greasy substances in general.


Word origin: Attic Greek hydro- for water and phobos for fear.

Related forms: hydrophobicity (noun), hydrophobe (noun).

Compare: hydrophilic.


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DNA extraction

... the following components to be localized (i.e. the cell pellet or the supernatant). phospholipids, transmembrane proteins, hydrophilic proteins, hydrophobic proteins, DNA, detergent. 2. What was the purpose of using COLD alcohol? Would there be a difference whether ethanol was used or butanol?" ...

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by dae
Wed Mar 18, 2009 5:04 am
 
Forum: Molecular Biology
Topic: DNA extraction
Replies: 1
Views: 367

DNA and RNA

Transcription is the process of making mRNA. They are doubled-stranded due to the hydrogen bonds and hydrophobic forces of non-polar molecules. Single stranded DNA also exists in the lab by heating them so that they are denatured.

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by crazydavid1628
Tue Mar 10, 2009 2:12 am
 
Forum: Molecular Biology
Topic: DNA and RNA
Replies: 6
Views: 1006

Re: Important unknown nanotech within humans

... agulate/sollidify with the addition of hydro phobic sillica particles! "All the ILs used in this study can be solidified by the addition of hydrophobic silica particles." http://pubs.acs.org/doi/abs/10.1021/la803124m it is no co cidence water flouridastion compounds all contain sillicate ...

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by vincio
Tue Feb 10, 2009 7:22 am
 
Forum: Molecular Biology
Topic: Important unknown nanotech within humans
Replies: 28
Views: 2801

amphipathic molecule

because in a bilayer you have all the hydrophilic heads at the exterior and the hydrophobic tails together on the inside. In a monolayer, you have the hydrophilic heads on one side and the hydrophobic tails on the other, so one of the sides has to be hydrophobic.

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by MrMistery
Thu Jan 22, 2009 2:31 am
 
Forum: Cell Biology
Topic: amphipathic molecule
Replies: 3
Views: 586

amphipathic molecule

What I know about amphipathic molecules are that they have both hydrophobic regions and hydrophilic regions. But why is it that in a aqueous solution the bilayer it is hydrophilic and monolayer is hrdrophobic?

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by cellbiostudent
Wed Jan 21, 2009 9:57 pm
 
Forum: Cell Biology
Topic: amphipathic molecule
Replies: 3
Views: 586
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