Activated composite membra
nes (ACMs) co
ntai
ni
ng the chiral carrier
N-hexadecyl-
L-hydroxyproli
ne have bee
n characterized by sca
nni
ng electro
n microscopy (SEM). SEM membra
ne imageshave bee
n further treated with the I
ntrepretació de Fotografies de Microsc
ntities/ograve.gif">pia Electr
ntities/ograve.gif">
nica(IFME) program, a
nd certai
n morphological properties of the ACM (such as mea
n i
nter
nal poresize, i
nter
nal irregularity, a
nd i
nter
nal asymmetry) were determi
ned. I
n additio
n, ACMs havebee
n tested for propra
nolol filtratio
n, usi
ng a dead-e
nd filtratio
n membra
ne module worki
ngu
nder 3.5 bar, a
nd both the permeatio
n rate a
nd the e
na
ntioselectivity have bee
n evaluated.Propra
nolol permeatio
n through the three ACMs has bee
n detected here; however, u
nfortu
nately,a clear e
na
ntioselective behavior has
not bee
n observed. The morphological structure of theACM has bee
n studied a
nd related with their obte
ntio
n procedure. Resulti
ng data were fi
nallycompared with the results from other characterizatio
n tech
niques applied previously for suchmembra
nes.