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Biological Engineering

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Society for Biological Engineering (SBE)

SBE is a global technological community that promotes the integration of engineering with biology and realize its benefits through bioprocessing, biomedical, and biomolecular applications. SBE provides opportunities for interaction of engineers and scientists, develops products and services bring value to the broad biological engineering community, and infuses awareness of biological engineering among all functions and activities of AIChE.

Forest Bioproducts Division (FBP)

The Forest Bioproducts Division promotes knowledge sharing and networking on topics dealing with products obtained from forest resources and other lignocellulosic materials.

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The Role of Acidic Catalyst Support On the Catalytic Upgrading of Bio-Oils

Oct 18, 2011
Sunya Boonyasuwat
Catalytic conversion of bio-oil vapor has attracted considerable interest as a promising pathway for upgrading. In this work, the reaction of anisole and guaiacol, phenolic model compounds commonly existing in bio-oils, were studied over an acidic silica-alumina catalyst and at varying space times...

Cellulose Extraction From Rice Hulls Using Ionic Liquids

Oct 18, 2011
Charles J. Coronella
Over one fifth of calories consumed by humanity are from rice. Consequently, vast quantities of rice hulls are disposed of as waste, since the hull constitutes 20% of rice mass. Standard practice for disposal of rice hulls is burning, generating pollution and CO 2 , or thrown away in vast...

Cellobiose Hydrolysis Using Acid-Functionalized Nanoparticles

Oct 18, 2011
Leidy Peña
Mineral acids have been used effectively for the pretreatment of cellulosic biomass to improve sugar recovery and promote its conversion to ethanol; however, substantial capital investment is required to enable separation of the acid, and corrosion-resistant materials are necessary. Disposal and...

Heterogeneous Catalysts in the Dehydration of Fructose to HMF

Oct 18, 2011
Sylvia Reiche
Several crucial steps in the upgrading of biomass-derived raw materials involve acid catalyzed reactions, such as the hydrolysis of cellulose or the dehydration of sugars. Although heterogeneous catalysts are desired in large scale industrial processes, their application is limited by several...

Cellulase Inhibition by Pretreatment-Released Biomass Degradation Products

Oct 18, 2011
G. Peter van Walsum
The influence of pretreatment chemistry and the severity of dilute acid pretreatment on the subsequent enzymatic hydrolysis of soluble oligomer-derived and insoluble crystalline cellulose using a commercial enzyme preparation (Novozymes) was investigated. A dilute acid pretreatment was performed on...

Mechanistic Investigation of Drug Release From Asymmetric Membrane Tablets

Oct 18, 2011
Mary T. am Ende
An asymmetric membrane (AM) tablet was developed for a soluble model compound to study the in vitro drug release mechanisms in challenge conditions, including osmotic gradients, concentration gradients, and under potential coating failure modes. Porous, semipermable membrane integrity may be...

Lignin Depolymerization and Deoxygenation In Ionic Liquids

Oct 18, 2011
Blair J. Cox
Lignin, an amorphous aromatic biopolymer that comprises up to 30% of plant matter, was dissolved and depolymerized in ionic liquids under acidic conditions. The acidic ionic liquid 1-methylimidazolium chloride (HMIMCl) acts as a combination solvent and catalyst that facilitates degradation of...

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