Re: [ccp4bb] Why don't small crystals dissolve

2012-02-08 Thread Enrico Stura
Pius, The situation you describe is an off-equilibrium situation. You have applied a perturbation and that may not be reversible! Enrico. On Wed, 08 Feb 2012 16:35:56 +0100, Pius Padayatti wrote: Hi Enricho, The scenario of streak seeding follows Ostwald ripening but will this happen

Re: [ccp4bb] Why don't small crystals dissolve

2012-02-08 Thread Pius Padayatti
Hi Enricho, The scenario of streak seeding follows Ostwald ripening but will this happen in other situations as follows But in a special case where you have some crystals that appear as large rods which dissolved when taken out of the incubator (or) during the observation( these were antibody-comp

[ccp4bb] Fwd: Re: [ccp4bb] Why don't small crystals dissolve

2012-02-08 Thread David Schuller
On 02/08/12 06:49, Enrico Stura wrote: On Wed, 08 Feb 2012 12:08:23 +0100, Theresa H. Hsu wrote: A little off from the original question. Why don't small crystals dissolve to make a bigger crystal, especially when the small ones grow on top of each other? Sometimes they do. Key phrase

Re: [ccp4bb] Why don't small crystals dissolve

2012-02-08 Thread Enrico Stura
Theresa, A little off from the original question. You should have started a new thread. The answer to your question is very simple. Small crystals will dissolve when the degree of saturation of the solution becomes too low to support their relatively high surface to volume ratio. The larg