Search
Now showing items 21-30 of 57
Use of crosslinked hydrogels for the control of macromolecular crystallization
(2012)
Crosslinked hydrogels in protein crystallization is an area of continuous growth. The counterdiffusion technique is a novel method for the crystallization of proteins, which entails the minimization of convection effects, ...
Kinetics and modeling of batch bioethanol production using suspended co-cultures of Saccharomyces cerevisiae and Pichia stipitis in glucose-xylose media
(2010)
A mathematical structured model was developed to predict the behavior of glucosexylose mixtures using the suspended co-culture of the wild-type yeast strains Saccharomyces cerevisiae Montrachet and Pichia stipitis NRRL ...
Encapsulation of particles in crosslinked hydrogel networks: particles distribution optimization
(2010)
Particle encapsulation in polymer systems has been used in several industrial applications in the biomedical and pharmaceutical fields. The main challenge in particle encapsulation is to obtain a homogeneous particle ...
Novel synthesis and characterization of metal nanometric wires and anodic alumina membrane-palladium wire ensembles using solid state reduction for hydrogen sensing applications
(2012)
In the last decade nanowires (NWs) have become the focus of intensive research in the areas of catalysis, sensors, gas storage, among others. These ordered high surface area materials display high chemical reactivity because ...
Effects of apoptotic inhibitor addition to cell viability prolongation of suspended bench-scale CHO culture and analysis of raman spectra in off-line bioreactor samples
(2010)
The productivity of suspended mammalian cell cultures plays a major role in the overall manufacturing costs of biotechnology products. Upstream cell culture product variability can lead to problems in downstream purification ...
Development of an empirical model to predict the mean residence time in a tablet press feeder
(2017)
The die filling process is a continuous operation that is crucial to comply with the specifications and quality attributes of a pharmaceutical tablet. Die filling is usually performed using a rotary tablet press that has ...
Design of composite protein microcrystals for the sustained oral delivery of antigens
(2015)
Oral immunization is a promising method to decrease access of allergens and pathogens to the body. Oral delivery of antigens is challenged by the anatomical conditions of the gastrointestinal tract, such as degradation by ...
Automation of a fluid bed dryer using multi-variant near infrared spectra and model predictive control
(2010)
The Fluidized Bed Dryer (FBD) is a common unit used in the pharmaceutical industry for its unique advantages when working with powders. With recent development in technology and environmental awareness, a desire to optimize ...
Perfluorinated and sulfonated proton exchange membranes: Effect of supercritical fluid processing on ion exchange capacity and proton conductivity
(2007)
The present work has processed Nafion® and sulfonated polystyrene-isobutylenestyrene
(SIBS) with supercritical fluid (SCF) carbon dioxide at a 40°C and 200 bar with
the aid of ten co-solvents of different size and polarity. ...
Hydrogen production study using autothermal reforming of biodiesel and other hydrocarbons for fuel cell applications
(2006)
During the last few years concerns with distribution, supply and cost of conventional liquid fuels increased considerably. Several developed countries are seriously considering using hydrogen (no fossil combustible) as an ...