Alexandru Dumitrache

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BACKGROUND Higher ratios of syringyl-to-guaiacyl (S/G) lignin components of Populus were shown to improve sugar release by enzymatic hydrolysis using commercial blends. Cellulolytic microbes are often robust biomass hydrolyzers and may offer cost advantages; however, it is unknown whether their activity can also be significantly influenced by the ratio of(More)
BACKGROUND Microbial cellulose conversion by Clostridium thermocellum 27405 occurs predominantly through the activity of substrate-adherent bacteria organized in thin, primarily single cell-layered biofilms. The importance of cellulosic surface exposure to microbial hydrolysis has received little attention despite its implied impact on conversion kinetics.(More)
This paper presents a portable simulation environment for robotics, implemented with open source components and aimed at research, offline programming and educational usage. The simulation employs rigid body dynamics, collision detection, customizable robot environments and real-time 3D graphics. A case study presents an application for collision detection(More)
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