Results 31 to 40 of about 66,987 (302)
Materials & Design, 2019 In the present study, novel pervaporation (nonporous, dense) and ultrafiltration (porous) membranes based on polyphenylene isophthalamide (PA) modified by Pluronic F127 (up to 20 wt%) used as a modifier and a pore-forming agent were developed and ...
M.E. Dmitrenko +7 more
doaj +1 more source
Membranes, 2022 Improving the contamination resistance of membranes is one of the most effective ways to address the short service life of membranes. While preparing the membrane system structure, doping nanoparticles into the polymer matrix is beneficial to the ...
Jiangyi Yan +6 more
doaj +1 more source
Impact of the co-culture of Saccharomyces cerevisiae–Oenococcus oenion malolactic fermentation and partial characterization of a yeast-derived inhibitory peptidic fraction [PDF]
, 2010 The present study was aimed to evaluate the impact of the co-culture on the output of malolactic fermentation and to further investigate the reasons of the antagonism exerted by yeasts towards bacteria during sequential cultures.
Mathieu, Florence +2 more
core +2 more sources
Flux decline in ultrafiltration processes [PDF]
, 1990 When a membrane filtration process such as ultrafiltration is used a flux- and yield-decline can be observed. The causes are i) concentration polarization (i.e.
Berg, G.B. van den, Smolders, C.A.
core +3 more sources
Crystal nuclei templated nanostructured membranes prepared by solvent crystallization and polymer migration [PDF]
, 2016 Currently, production of porous polymeric membranes for filtration is predominated by the phase-separation process. However, this method has reached its technological limit, and there have been no significant breakthrough over the last decade.
Ji, J, Li, K, Wang, B
core +1 more source
Fractionation of Glycomacropeptide from Whey Using Positively Charged Ultrafiltration Membranes
Foods, 2018 Fractionation of the bovine glycomacropeptide (GMP) from the other proteins in cheese whey was examined using ultrafiltration membranes surface modified to contain positively charged polymer brushes made of polyhexamethylene biguanide.
Abhiram Arunkumar, Mark R. Etzel
doaj +1 more source
Nanomaterials, 2023 Herein, we report the results of a study on combining adsorption and ultrafiltration in a single-stage process to remove nitrite ions from contaminated water.
Corneliu Cojocaru +4 more
doaj +1 more source
Effects of membrane alterations on bacterial retention [PDF]
, 2010 The study shows the respective roles of skin and support of an ultrafiltration membrane in the retention mechanisms of bacteria (Escherichia coli).
Aimar, Pierre +3 more
core +2 more sources
Cholesterol nucleation time in gallbladder bile of patients with solitary or multiple cholesterol gallstones [PDF]
, 1992 Patients with multiple cholesterol gallbladder stones have been found to be at a higher risk for the recurrence of gallstones after successful nonsurgical treatment than those with a solitary stone.
Abell +27 more
core +1 more source
Improved water purification by PVDF ultrafiltration membrane modified with GO-PVA-NaAlg hydrogel
Scientific Reports, 2023 This work presents a modified polyvinylidene fluoride (PVDF) ultrafiltration membrane blended with graphene oxide-polyvinyl alcohol-sodium alginate (GO-PVA-NaAlg) hydrogel (HG) and polyvinylpyrrolidone (PVP) prepared by the immersion precipitation ...
Armin Ghobadi Moghadam, Alireza Hemmati
doaj +1 more source