Dictionary » S » Selectively-permeable membrane

Selectively-permeable membrane

Definition

noun

A membrane that is selectively permeable, i.e. being permeable to only certain molecules and not to all molecules.


Supplement

An example of such membrane is the cell membrane wherein it allows passage of only certain types of molecules by diffusion and occasionally by facilitated diffusion.


Synonyms:

See also: cell membrane


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Need help with an alien cell (for a plausible fiction)

... cell, these are basically three parts: - The Cell Wall - This double membrane structure is selectively permiable and contains bubble-like organelles which basically substitute for plastids ...

See entire post
by TemporalV01D
Tue Feb 08, 2011 1:48 pm
 
Forum: Cell Biology
Topic: Need help with an alien cell (for a plausible fiction)
Replies: 3
Views: 9512

Recombination in RNA viruses,Ruzic,Kovac

... cells to themselves by limiting or preventing coinfection should be selectively favoured, and many have evolved mechanisms to do just this (Simon ... amino acid sequence and phylogenetic analysis of the peplomer, integral membrane and nucleocapsid proteins of feline, canine and porcine coronaviruses. ...

See entire post
by anakovacevic
Sat Jun 12, 2010 8:28 pm
 
Forum: Cell Biology
Topic: Recombination in RNA viruses,Ruzic,Kovac
Replies: 2
Views: 35256

The Fiber Disease

... developed a new method for the production of nanowires; they use lipid membranes as “molds” and obtain high yields of cadmium chloride nanowires ... by nanometer-wide water films. Some types of head groups are able to selectively bind certain positively charged ions. This is the basis of the ...

See entire post
by London
Wed Dec 27, 2006 1:47 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477988

The Fiber Disease

... al., 1999). SECM has been applied to the study of a number of synthetic membranes and biomaterials including skin (Bath et al., 1998; Scott et al., ... transport (Hansma et al., 1989; Korchev et al., 1997), in that it can selectively detect both neutral and charged species, rather than measure ...

See entire post
by Nadas Moksha
Wed Dec 06, 2006 5:20 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477988

The Fiber Disease

... as well in biosensors and chemosensors, because such surfaces will selectively absorb from solution only the specific protein whose complementary ... size trigger a process called endocytosis in which the cell's outermost membrane deforms into a tiny bubble, or vesicle. The vesicle encloses the ...

See entire post
by Nadas Moksha
Sun Nov 05, 2006 4:16 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477988
View all matching forum results

This page was last modified 21:37, 26 May 2009. This page has been accessed 89,429 times. 
What links here | Related changes | Permanent link