Skomantas Serapinas

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Questions related from Skomantas Serapinas

How can vasodilators improve circulation?

Vasodilators (e.g. ACE-I, BB, nitrates) are generally considered to improve blood flow. There is some evidence indicating that vasodilators reduce delta P (arterial-venous pressure difference)...

09 October 2018 8,089 17 View

Does iobitridol cross out of the blood vessels significantly?

I have seen CT radiocontrast imaging where the iodinated contrast mainly stays in the vessels and is removed via kidneys. The question is if vessel permeability changes would you expect to see a...

29 November 2017 3,625 2 View

If a tumor stops growing for a certain amount of time (hours for example), would the fluid pressure inside decrease?

I would expect less pressure to be generated. Does the cell growth lead to significant amounts of pressure or is it just the speed of the plasma flowing through a tumor? Thanks!

27 November 2017 9,156 9 View

Are there any differences in liquid IR spec sample preparation?

I need to run an IR spec for a liquid sample. I could: 1. Freeze the liquid and run a KBr compressed pellet spec as for solids 2. Use a drop of the neat liquid on the spectrophotometer crystal 3....

29 January 2016 2,974 3 View

Why do we dry organic phase of extracts?

Most chemical preparations involving extraction of aqueous layer involve drying the solvent (MgSO4, CaCl2, P2O5, you name it) prior to its evaporation. Often it seems important but I think it may...

25 June 2013 7,349 9 View

Reactivity of mixed anhydrides

I want to know if there is any particular behavior observed in mixed organic acid anhydrides. For example, would acetic-benzoic anhydride acylate or benzoylate salicylic acid? How about...

23 March 2013 4,480 4 View