Research Abstracts

(1) The effect of CCl4 plasma treatment on O2, N2, H2, CO2 and CH4 permeabilities and selectivities of PMP membranes were investigated in detail. The selectivities of O2/N2, H2/N2, CO2/N2, CO2/CH4 and H2/CH4 improved remarkably while their permeabilities decreased. (2) The contact angle of water on

Fig. 1. SEM picture of a Sartobind Q membrane and a Q Sepharose bead. A new generation of membrane adsorbers which can process fluids with a large particle burden, especially cell culture supernatants are presented. Devices with different sizes from benchtop applications to a semi-technical scale we

This work has been focussed on the separation of galactose-specific lectins through affinity membranes. Different lectins and different supports have been studied in batch and dynamic adsorption and desorption experiments. Equilibrium data were well interpolated by Langmuir isotherm and the paramete

Both case studies clearly demonstrate that the mechanisms that regulate the structural changes of the permeated proteins depend on the operational and physicochemical conditions and on the protein–membrane system under study. Consequently, the structural/functional alterations induced on the protein

Protein sieving coefficients, concentration polarisation and membrane fouling could be significantly affected by solution pH, ionic strength and permeate flux. The pulsed sample injection technique could be an effective tool for studying the ultrafiltration behavior of proteins under different condi

(1) By the entanglement of PVAm chain with PVA chain frame, a mechanically PVA-like membrane was obtained with high concentration of the amino groups within the matrix, which functioned as fixed-sitecarrier (FSC) for CO2 transport. (2) The degree of swelling of the blend membrane can be adjusted by