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How often do I change Medela membranes? 

Protein purification
Membrane
Membrane technology
Wastewater
Integral membrane protein

Answers from top 10 papers

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Papers (10)Insight
Open access•Book Chapter•DOI
Membrane Separation Process in Wastewater Treatment of Food Industry
Claudia Muro, Francisco A. Riera, María del Carmen Díaz 
22 Feb 2012
29 Citations
By implementing membranes, the separated substances and clean water are often recoverable in a chemically unchanged form and are therefore easily re-used.
Journal Article•DOI
The cell surface during mammalian spermiogenesis.
Baccio Baccetti, Elisa Bigliardi, A. G. Burrini 
01 Mar 1978-Developmental Biology
9 Citations
Con A properties of new and old membranes are the same and will change only after the transit through the epididymis.
Journal Article•DOI
Membrane separation processes: Current relevance and future opportunities
H. Strathmann
01 May 2001-Aiche Journal
354 Citations
In combination with conventional techniques membranes often provide cleaner and more energy-efficient production routes for high-quality products.
Journal Article•DOI
Plasmonic Retrofitting of Membrane Materials: Shifting from Self‐Regulation to On‐Command Control of Fluid Flow
Ana Sousa-Castillo, Leonardo N. Furini, Brylee David B. Tiu, Peng-Fei Cao, Begüm Topçu, Miguel Comesaña-Hermo, Benito Rodríguez-González, Walid Baaziz, Ovidiu Ersen, Rigoberto C. Advincula, Moisés Pérez-Lorenzo, Miguel A. Correa-Duarte 
01 Aug 2018-Advanced Materials
11 Citations
This work calls for a paradigm shift in order to change the operational patterns of self-regulated membranes in response to chemical signals.
Open access•Journal Article•DOI
Membrane potential governs lateral segregation of plasma membrane proteins and lipids in yeast.
Guido Grossmann, Miroslava Opekarová, Jan Malinsky, Ina Weig-Meckl, Widmar Tanner 
10 Jan 2007-The EMBO Journal
243 Citations
In accordance with these observations, depolarized membranes also considerably change their physical properties (detergent sensitivity).
Journal Article•DOI
Retention of modified BSA by ultrafiltration membranes
Inna Levitsky, Inna Levitsky, Yafit Dahan, Elizabeth Arkhangelsky, Vitaly Gitis 
01 Feb 2016-Journal of Chemical Technology & Biotechnology
9 Citations
Suggested modifications do not require changes in chemistry of bulk suspensions and membranes, but do increase protein rejection keeping high transmembrane flux.
Journal Article•DOI
Influence of contaminants in glycerol/water mixtures during post-treatment on physicochemical properties and separation performance of air-dried membranes
Jie Gao, Tai-Shung Chung 
15 Feb 2019-Journal of Membrane Science
13 Citations
By investigating the effects of different contaminants to membranes, this article may provide new guidance for membrane scientists and engineers to study the science and engineering on how to properly post-treat membranes before and after the air-drying process.
Open access•Journal Article•DOI
An electrostatic switching mechanism to control the lipid transfer activity of Osh6p.
Nicolas-Frédéric Lipp, Romain Gautier, Maud Magdeleine, Maxime Renard, Véronique Albanèse, Alenka Čopič, Guillaume Drin 
02 Sep 2019-Nature Communications
25 Citations
Our study unveils how an LTP self-limits its residency time on membranes, via an electrostatic switching mechanism, to transfer lipids efficiently.
Journal Article•DOI
Voltage-induce capacitance relaxation of lipid bilayer membranes. Effects of membrane composition.
Roland Benz, K. Janko 
14 Dec 1976-Biochimica et Biophysica Acta
160 Citations
The capacity change of the membranes seems to be caused mainly by a thickness change and not by an area increase of the membranes.
Journal Article•DOI
Inhibiting crystal swelling in MFI zeolite membranes
William T. Gibbons, Yanfeng Zhang, John L. Falconer, Richard D. Noble 
15 Jul 2010-Journal of Membrane Science
10 Citations
They also demonstrate the difficulty of characterizing MFI membranes because defect sizes change in the presence of many adsorbates.

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