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Regeneration of tissue to replace damaged or injured tissue is the
goal of t- sue engineering. Biomaterials like polyglycolic acid,
collagen and small-intestinal submuscosa provide a temporary
scaffold to guide new tissue growth and or- nization. Typically,
they need to be biodegradable, showing good cell atta- ment and
proliferation and they should possess appropriate mechanical
properties (Kim et al. , 2000). Synthetic polymers ful ll most of
these requirements but lack cell-adhesion peptides on their surface
to enhance cell attachment. Ce- adhesion peptides are present in
ECM proteins like collagen and elastin. Thus a synthetic polymer
coated with ECM proteins would result in a scaffold that mimics the
natural cellular environment with enhanced cell attachment and p-
liferation. The new bioactive scaffold will be made by combining a
synthetic polymer coated with a layer of recombinant ECM proteins
produced by CHO cells. The rst step consists of identifying
polymers that give best results in terms of CHO cell attachment and
growth. Classical techniques to determine biomass are inappropriate
to evaluate 3-D structures. Thus a screening system based on stable
GFP expressing CHO cells was used to compare the different
scaffolds. Simple uorescent measurement after cell lysis allows
determining cell attachment and p- liferation on synthetic
polymers. Finally CHO cells producing human recombinant collagen I
and elastin were generated. We showed that both proteins are
expressed and secreted by CHO DG44 cells. 2 Materials and Methods
2.
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Mathematics and Computation in Music - First International Conference, MCM 2007, Berlin, Germany, May 18-20, 2007. Revised Selected Papers (Paperback, 2009 ed.)
Timour Klouche, Thomas Noll
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R2,705
R1,078
Discovery Miles 10 780
Save R1,627 (60%)
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Out of stock
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This volume comprises a selection of papers presented at the first
International C- ference on Mathematics and Computation in Music -
mcm2007. The conference took place at the Staatliches Institut fur
Musikforschung PK - National Institute for Music Research in Berlin
during May 18-20, 2007 and was jointly organized by the National
Institute for Music Research Berlin and the Society of Mathematics
and Computation in Music. The papers were selected for the
conference by the program committee and classfied into talks and
posters. All papers underwent further selection, revision and
elaboration for this book publication. The articles cover a
research field which is heterogeneous with respect to content,
scientific language and methodology. On one hand, this reflects the
heterogeneity and richness of the musical subject domain itself. On
the other hand, it exemplifies a t- sion which has been explicitly
intended by both the organizers and the founders of the society,
namely to support the integration of mathematical and computational
- proaches to music theory, composition, analysis and performance.
The subdivision into three parts reflects the original structure of
the program. These parts are opened by invited papers and followed
by talks and posters.
Regeneration of tissue to replace damaged or injured tissue is the
goal of t- sue engineering. Biomaterials like polyglycolic acid,
collagen and small-intestinal submuscosa provide a temporary
scaffold to guide new tissue growth and or- nization. Typically,
they need to be biodegradable, showing good cell atta- ment and
proliferation and they should possess appropriate mechanical
properties (Kim et al. , 2000). Synthetic polymers ful ll most of
these requirements but lack cell-adhesion peptides on their surface
to enhance cell attachment. Ce- adhesion peptides are present in
ECM proteins like collagen and elastin. Thus a synthetic polymer
coated with ECM proteins would result in a scaffold that mimics the
natural cellular environment with enhanced cell attachment and p-
liferation. The new bioactive scaffold will be made by combining a
synthetic polymer coated with a layer of recombinant ECM proteins
produced by CHO cells. The rst step consists of identifying
polymers that give best results in terms of CHO cell attachment and
growth. Classical techniques to determine biomass are inappropriate
to evaluate 3-D structures. Thus a screening system based on stable
GFP expressing CHO cells was used to compare the different
scaffolds. Simple uorescent measurement after cell lysis allows
determining cell attachment and p- liferation on synthetic
polymers. Finally CHO cells producing human recombinant collagen I
and elastin were generated. We showed that both proteins are
expressed and secreted by CHO DG44 cells. 2 Materials and Methods
2.
|
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