introduction to bio-architecture - unesco · bi oi n fo r m a tic s na n o m a te ir a ls / na n o...
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ESC-483
Melik Demirel, PhD
*Pictures and tables in this lecture notes are copied
from Internet sources for educational use only.
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Nanotechnology for Bio-applications
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Nanotools
e.g. Atomic force microscopy,
SERS, SNOM,
bioinformatics
Nanomateirals/
nanoformulations
e.g. nanoparticles,
nanocrystals,
nanosuspensions,
nanostructures
(quatumn dots, dendrimers,
nanotubes, fullerenes)
Devices
e.g. nanodevices/
microdevices,
microfluidics/nanofluidics,
microarryas./nanoarrays
Imaging
Diagnostics
Nanotechnologies
Screening
Diagnostics
Imaging
Drug delivery
Diagnostics
!
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Evolution of Nanotechnology
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Periodic Table of Life
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http://umbbd.msi.umn.edu/periodic/
Biochemical Periodic Table
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Water: H20
Water is an anomalous liquid Density Maximum in the liquid state (i.e. ice floats!) Growth of Isothermal compressibility on cooling, Cp (cold
water is more "squeezable" than warm water) Formation of Hydrogen bond networks: Electrostatic
interaction between two delocalized electrons; the electronegative atoms (e.g. N,S,O) share one H-atom
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Physical Properties of potential biological solvents
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BUILDING BLOCKS of LIFEThere are 68 molecules that contribute to the synthesis and primary structures of the four fundamental macromolecular components of all cells: nucleic acids, proteins, glycans and lipids. DNA and RNA are produced from the 8nucleosides. There are 20 natural amino acids used in the synthesis of proteins. Glycans derive initially from 32, and possibly more, saccharides used in the enzymatic process of glycosylation and are often attached to proteins and lipids, although some exist as independent macromolecules. Lipids are represented by 8 recently classified categories and contain a large repertoire of hydrophobic and amphipathic molecules.
J. Marth, Nature cell biology, vol. 10, No. 9, 1015, 2008
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Nucleic Acids
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20 different subunits
with 5 major atoms:
N,C,H,O,S (nachos)
PROTEINS
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Lipids
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Providing structural componentsCell wallsExtracellular matrix
Modifying protein propertiesSolubilityStability
Directing trafficking of glycoconjugatesIntracellularExtracellular
Mediating and modulating cell adhesionCell-cell interactionsCell-matrix interactions
Mediating and modulating signalingIntracellularExtracellular
Functions
Extrinsic functionsresulting from
glycaninteractionsIntrinsic functionsperformed by glycans
GlycansGlycans are composed of
monosaccharides with related chemical
structures
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Complexity
Nanotechnology in the life sciences
Size, measurement and sensing!with an introduction to nanotechnology!
The fly's eye is made of
hundreds of tiny facets,
resembling a honeycomb
In between the facets are
bristles which give sensory
input from the surface of the
eye.
The fly's eye
cm micron
nano
WHY DOES COMPLEXITY ARISE?
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