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Culture scale-up studies as seen from the viewpoint of oxygen supply and dissolved carbon dioxide stripping.
This study investigated the effect of scale-up on the volumetric gas transfer coefficient with bioreactors of different sizes and found that k(L)a, an index of oxygen supply efficiency, increased following surface aeration, but the rate of increase was reduced by scale- up, which was attributed to a decrease in the liquid surface-to-volume ratio. Expand
Preparation and characterization of thermo-responsive albumin nanospheres.
The design of PAN overcame the disadvantages of temperature-responsive polymeric micelles, and the biodegradable AN was attacked more easily by trypsin. Expand
Preparation of alginate complex capsules containing eucalyptus essential oil and its controlled release
Abstract Alginate complex capsules containing eucalyptus oil were prepared by the interfacial insolubilization reaction and its controlled release characteristics were examined. The capsule wallsExpand
Effect of dispersing medium on permeability of microcapsule membrane
Abstract Transfer of azo-dyes from dioctylphthalate core to binary mixtures of methanol+acetone with different compositions through poly(ureaurethane) (PUU) microcapsule membrane has been measured.Expand
Optically transparent conductive network formation induced by solvent evaporation from tin-oxide-nanoparticle suspensions.
The experiment results suggest that the high optical transparency and the low critical concentration are derived from the characteristic microstructures of the film, with remarkably improved electrical and optical properties. Expand
A galactosamine-mediated drug delivery carrier for targeted liver cancer therapy.
GAL-AN and GAL-DOX-AN have specific interaction with HepG2 cells via the recognition of GAL and asialoglycoprotein receptor, which renders GAL -AN a promising anticancer drug delivery carrier for liver cancer therapy. Expand
Synthesis and phase behavior of aqueous poly(N-isopropylacrylamide-co-acrylamide), poly(N-isopropylacrylamide-co-N,N-dimethylacrylamide) and poly(N-isopropylacrylamide-co-2-hydroxyethyl methacrylate)
Poly(N-isopropylacrylamide) (PNIPAM) and random copolymers of Poly(N-isopropylacrylamide-co-2-hydroxyethyl methacrylate) (PNIPAM-HEMA), poly(N-isopropylacrylamide-co-acrylamide) (PNIPAM-AAm), andExpand
Estimation of dissolved carbon dioxide stripping in a large bioreactor using model medium.
It is expected that the use of the model medium to estimate dCO(2) stripping in real cultures will be valuable for determining the culture conditions in bioreactors in scale-up. Expand
Coexistence curve of polystyrene in methylcyclohexane. I. Range of simple scaling and critical exponents
We have measured coexistence curves for the system polystyrene–methylcyclohexane with varying molecular weight from Mw=1.02×104 to 71.9×104. In the temperature range e=(Tc−T)/Tc≳0.03, a deviationExpand
Osmotic behavior of red blood cell as seen with an ultrasonic method.
The cellular density and the cellular compressibility of RBC as well as the inverse of hematocrit were expressed well into one unique exponential type equation f (pi) = a [1 - b exp (-c pi)] with a common value for the coefficient c against the osmolarity pi. Expand