and physical propertiesliquid morphologies on striped surfaces theoretical description: r. lipowsky,...
TRANSCRIPT
Affecting Physicochemical
and Physical Properties
of Surfaces
by
Surface Patterning
Wetting on patterned surfaces
Peltierelement
T > Tdew
Peltierelement
T < Tdew
wettableNon-wettable
Wetting
Liquids on homogeneous surfaces
g
γSV - (γSL + γL cos(Θ))
Θ
Youngs Equation
Laplace pressure
Pinside – Poutside = 2 γ /RR
Liquid morphologies on striped surfaces
Theoretical description: R. Lipowsky, Structured surfaces and morphological wetting transitions, Interface Science 9, 105 - 115 (2001)
Liquid morphologies on patterned surfaces
Liquids on µ-heterogeneous surfaces
Liquids on µ-heterogeneous surfacest=0 min.
t=20 min.
Hexadecane(+ oil soluble component)
Crystallization of hexadecane droplets
Liquids on µ-heterogeneous surfaces
20 µm
2 µm
0.2 µm
oil
Quantum dots in w/o emulsion
Liquids on µ-heterogeneous surfaces
Capillary bridges as structural motifs
Capillary bridges as complex shaped liquid / liquid interfaces
Dewetting
Water assisted dewetting
H.-G. Braun, E. Meyer, Thin Solid Films 345, 222 (1999)
Micropatterned lipid bilayers
P. Theato, R. Zentel, H.-G. Braun Polymer Preprints, Boston MeetingSept. 2002
Lipopolymer
µ-Fluid CP Water condensation
Dip-coating in Polystyrene
Film rupture during dewetting on homogeneous surfaces
Film formation by controlled dewetting on micropatterned surfaces
E. Meyer, H.-G. Braun, Macromol. Mater. Eng. 276/277, 44 (2000)
Materials and methods
PEO:Linear flexible polymer chain (72 helix)
Mw : 10000 / 6000 / 2000
Takahashi, TadokoroMacromolecules 1973 6 672
DiffusiveGrowth
Film formation by controlled dewetting on micropatterned surfaces
PEO on micropatterned 11-Mercaptoundecanoic acid chemisorbed on gold and structured by E-beam lithography
Hydrophobic motif (E-beam lithographyof self-assembledThiol)
amorphous
crystalline
Controlled nucleation of metastable ultrathin PEO films
Amorphous PEO layer crystallized on request by AFM contact
Diffusion controlled growth in confined layers
DLA type growth of PEO layers under different undercooling
• Scratches• Steps• Rims
Heterogeneous nucleation sites
Morphology variation by temperature
20° 31°
38°33°
J.-U. Sommer, G. Reiter LNP 606 , Polymer Crystallization, p.164Springer 2003
Morphological characteristics
Molecular mechanism
Diffusionalprocess
Lamellathickeningprocess(T dependent)
PEO surface immobilisation by electrons
H2O
Amino terminated PEO lamella
Lipid bilayers and their transitions
A. Mueller, D. O‘Brien, Chem. Rev. 2002, 102, 727
Mesophases of amphiphilic molecules
A. Mueller, D. O‘Brien, Chem. Rev. 2002, 102, 727
Mesophases of amphiphilic molecules
Mesophases of amphiphilic molecules
HRTEM XRayScattering
Structural characterisation of mesophases by
Polymerisable diacetylenes in vesicles / liposomes / layers
H.Y. Shim, S.H. Lee, D.J. Ahn, K.-D. Ahn, J.M. Kim, Mat. Sci. Eng. C 24, 2004, 157
Topochemical Polymerisation of polydiacetylenes
G. Wegner
H.Y. Shim, S.H. Lee, D.J. Ahn, K.-D. Ahn, J.M. Kim, Mat. Sci. Eng. C 24, 2004, 157
J.M. Kim et. Al. , Adv. Mat. 15, 2003, 1118
Change in colour due to interaction of polyacrylic acid with blue ( B) vesicles
R.W. Carpick, J.Phys.Cond. Matter 16, 2004, R679
Planar conformation of polyconjugated polymer backbone in blue polydiacetylenes
R.W. Carpick, J.Phys.Cond. Matter 16, 2004, R679
Stress induced transformations of polydiacetylene molecules ( AFM , SNOM)
R. Jelinek, JACS 123, 2001, 417
Polydiacetylenes as molecular stress sensors
O. Orwar, Langmuir 99, 2002, 11573
Formation of vesicle networks by electroporation, tether formation and ‚extrusion‘
O. Orwar, Langmuir 99, 2002, 11573
Formation of vesicle networks
O. Orwar, Langmuir 99, 2002, 11573
Formation of multi component vesicle networks
O. Orwar, Langmuir 99, 2002, 11573
Formation of multi component vesicle networks
O. Orwar, Langmuir 20, 2004, 5637
3-d Liposome networks attached to SU-8 Resist
O. Orwar, Langmuir 99, 2002, 11573
Formation of vesicle networks
O. Orwar, PNAS 101, 2004, 7949
Knots in nanofluidic vesicle networks
Brochard-Wyart, Langmuir 19, 2003, 575
Brochard-Wyart, Langmuir 19, 2003, 575
Seifert et. Al. PRL, 2004, 208101
Maeda, BBA 1564, 2002, 165
O. Orwar, Anal. Chem. 75, 2003, 2529
O. Orwar, Langmuir 100, 2003, 3904
Formation of vesicle networks on microstructured surfaces
M. Karlsson, O. Orwar, Annual Reviews Physical Chemistry 55, 2004, 613
Generating flow between vesicle networks by changing their shape
O. Orwar, Anal. Chem. 75, 2003, 2529
Diffusion through nanochannels
M. Karlsson, O. Orwar, Annual Reviews Physical Chemistry 55, 2004, 613
The concept of vesicle nanofluidic networks
SG Boxer , Biophysical Journal , 2002, 83, 3372
Formation of lipid double layer from vesicles
SG Boxer , Langmuir , 2001, 17, 3400
Mobile microstructured membranes
SG Boxer , Accounts Chemical Research , 2002, 35, 149
Field induced diffusion of lipids
SG Boxer , Current Opinion Chemical Biology , 2000, 704
Mobile microstructured membranes
SG Boxer , Langmuir , 2003, 19, 1624
Membrane Microfluidics
SG Boxer , Langmuir , 2003, 19, 1624
Membrane Microfluidics
Dynamics of nanoobjects Motion in ratchets
Dynamics of nanoobjects Motion in ratchets
Dynamics of nanoobjects Motion in ratchets
Bader et. al.Appl. Phys. A 75, 275–278 (2002)
Physical effects of small volumes
Laminar and turbulent flow
Parabolic flow profile
Physical effects of small volumesFrom turbulent to laminar flow
L
100 nm < L < 100 µm
Aqueous solutionc0, c1
Stationary flow boundary between flowing miscible liquids (water)Concentration gradient c0, c1 causes Mixing through diffusion
across the boundary
Physical effects of small volumesIncrease in specific surface area with decreasing volume
R V = 4/3 π R3
S = 4 π R2
Sspecific = S/V = 3 / R
Surface interactions and forces become dominating in small dimensions
Geometrical features of microfluidic systems
Flow induced generation of microemulsion droplets
Flow induced generation of microemulsion droplets
Rayleigh instability of cylindrical shaped liquid structures
Flow induced generation of microemulsion droplets
Monodisperse Emulsion Generation via Drop Break Off ina Coflowing StreamP. B. Umbanhowar, V. Prasad, D. A. WeitzLangmuir 16 , 347 (2000)
Flow induced encapsulation of cells
Selective Encapsulation of Single Cells and Subcellular Organelles into Picoliter- and Femtoliter-Volume Droplets
Mingyan He, J. Scott Edgar, Gavin D. M. Jeffries, Robert M. Lorenz, J. Patrick Shelby, and Daniel T. Chiu
Anal. Chem. 2005, 77, 1539-1544
Flow induced generation of complex microphases
Monodisperse Double Emulsions Generated from a Microcapillary Device
S. Utada, E. Lorenceau, D. R. Link, P. D. Kaplan,H. A. Stone, A. WeitzScience 308 , 537 (2005)
Flow induced generation of complex microphases
Monodisperse Double Emulsions Generated from a Microcapillary Device
S. Utada, E. Lorenceau, D. R. Link, P. D. Kaplan,H. A. Stone, A. WeitzScience 308 , 537 (2005)
Flow induced generation of complex microphases
Monodisperse Double Emulsions Generated from a Microcapillary Device
S. Utada, E. Lorenceau, D. R. Link, P. D. Kaplan,H. A. Stone, A. WeitzScience 308 , 537 (2005)
Micro- and nanostructures through self-assembly
Guillaume Tresset† and Shoji Takeuchi*,‡Anal. Chem.2005, 77,2795-2801
Cell encapsulatioon in microdroplets
Mingyan He, J. Scott Edgar, Gavin D. M. Jeffries, Robert M. Lorenz, J. Patrick Shelby, andDaniel T. Chiu*Anal. Chem.2005, 77,1539-1544
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Structural basics of proteins
24/01/11 81
Structural basics of proteins
Ramchandran energy mapTorsionangles in peptide chain
24/01/11 82
Structural basics of proteins
24/01/11 83
Structural basics of proteins
24/01/11 84
Structural basics of proteins
24/01/11 85
Structural basics of proteins
24/01/11 86
Structural basics of proteins
24/01/11 87
Structure characterization of aqueous dispersednanostructures by TEM
Liposom Virus Protein
24/01/11 88
Structure characterization of aqueous dispersednanostructures by TEM
Basic idea:
Preserving the structure of soft objects in an aqueous environment for ultrastructure investigations in a UHV Environment.
Cryo Electron Microscopy
20 nm to 100 nmthickness Water Ice
Amorphous ice ( T < -120 deg. C)
24/01/11 89
Structure characterization of aqueous dispersednanostructures by TEM
Rapid freezing with a simple freeze punger
Cryo Electron Microscopy
Vc > 10 4 K/s (cooling rate)
24/01/11 90
Structure characterization of aqueous dispersednanostructures by TEM
Frozen hydrated specimen preparation
24/01/11 91
Structure characterization of aqueous dispersednanostructures by TEM
Frozen hydrated specimen
D. Andelmann , Physics Dept. Tel Aviv University
Multilamella Vesicles
24/01/11 92
Structure characterization of aqueous dispersednanostructures by TEM
Frozen hydrated speciman
Viruses
24/01/11 93
High resolution imaging of proteins
Van Heel Quarterly Reviews of Biophysics 33, 4 (2000), pp. 307–369
24/01/11 94
High resolution imaging of proteins
24/01/11 95
High resolution imaging of proteins
24/01/11 96
Major technological developments
18 th and 19 th century
Steam engines
Materials: Metals
Steel
24/01/11 97
Major technological developments
20 th century
Electrical motors / generators
Microchips
Materials: Metals
Silicon , Copper
24/01/11 98
Rotary motion produced by F1 ATP‘ase
Protein dimers α,β are assembled to a hexagonal complexstator of the motor unit
A single protein γ is located in the center of the hexagonal complexrotor of the motor unit
24/01/11 99
Rotary motion produced by F1 ATP‘ase
The conformation of β protein is changed by hydrolysis of ATP.The conformational change affects the γ protein resulting in a 120 degree rotation
Optical tweezers
24/01/11 101
Rotary motion produced by F1 ATP‘ase
Stepwise motion has been demonstrated by fluorescence microscopy
24/01/11 102
Rotary motion produced by F1 ATP‘ase
Mechanical properties have been measured on a molecular scale
24/01/11 103
Integration of single molecular motors into man-made microstructures
Montemagno et. al., Science 290 (2000) 155
24/01/11 104
Integration of single molecular motors into man-made microstructures
Rotation of F1 ATP‘ase motors attached to micromachined structureshas been demonstrated
24/01/11 105
Translatory motion produced by Kinesin
or the „molecular railway system“
Molecular tracks made of microtubuli
Molecular motors made of Kinesin
Carriers made from vesicles
24/01/11 106
Translatory motion produced by Kinesin
Molecular tracks are made of microtubuliA. Desai,T.J. Mitchison, Ann. Rev. Cell Dev. Biol.13 (1997 ) 83
24/01/11 107
Translatory motion produced by Kinesin
Polymerisation results in the reversible assembly of protein units
A. Desai,T.J. Mitchison, Ann. Rev. Cell Dev. Biol.13 (1997 ) 83
24/01/11 108
Translatory motion produced by Kinesin
The periodic arrangement of the α,β Tubulin molecules with 8 nm spacing favours a binding of the motor protein Kinesin. Kinesin can reversibly bind to adjacent Tubulin groups finally resulting in a translatory movement. W.O. Hancock, J. Howard, PNAS 96 (1999) 13147L. Romberg, D.W. Pierce, R.D. Vale, J. Cell Biology 140 (1998 ) 1407
Optical multitweezers
Optical tweezers for multiple particlemanipulation
Nano transporters
Jia, L. L. and Moorjani, S. G. and Jackson, T. N. and Hancock, W. O.
Biomedical Microdevices 6, 67 (2004)
Nano transporters
Jia, L. L. and Moorjani, S. G. and Jackson, T. N. and Hancock, W. O.
Biomedical Microdevices 6, 67 (2004)
Biomimetics – learning from Biosystems
1. Pearls and Mussels
1. Magnetosomes
1. Silk
1. Diatomes
1. Lotus effect
1. Gecko
Structural properties
Functional properties
Biomimetic calcificationNacre and pearls
Biomimetic calcification
Biomimetic calcification
Biomimetic calcification
Biomimetic calcification
Biomimetic calcification
J. Aizenberg, A.J. Black, G.M. Whitesides, Nature 398 (1999) 495
J. Aizenberg, A.J. Black, G.M. Whitesides, Nature 398 (1999) 495
Biomimetic calcification
J. Aizenberg, Advanced Materials 16 (2004) 1295
Biomimetic calcification
J. Aizenberg, Advanced Materials 16 (2004) 1295
Biomimetic calcification
J. Aizenberg et. Al., Science 299 (2003) 1205
Biomimetic calcification
Silk
Tensile strength : 25.000 kg/cm² ( 5 times steel)
Silk
Glcyin 37 % , Alanin 18 % , Polar Aminoacids 26 %
24/01/11 126
Structural basics of proteins
24/01/11 127
Structural basics of proteins
Ramchandran energy mapTorsionangles in peptide chain
24/01/11 128
Structural basics of proteins
24/01/11 129
Structural basics of proteins
Silk
Silk
J.D. van Beek, S. Hess, F. Vollrath & B.H. MeierPNAS 99 (2002) 10266
--------QGAGAAAAAA-GGAGQGGYGGLGGQG-------------------AGQGGYGGLGGQG___ --AGQGAGAAAAAAAGGAGQGGYGGLGSQGAGR---GGQGAGAAAAAA-GGAGQGGYGGLGSQGAGRGGLGGQGAGAAAAAAAGGAGQGGYGGLGNQGAGR---GGQ--GAAAAAA-GGAGQGGYGGLGSQGAGRGGLGGQ-AGAAAAAA-GGAGQGGYGGLGGQG-------------------AGQGGYGGLGSQGAGRGGLGGQGAGAAAAAAAGGAGQ--- GGLGGQG------AGQGAGASAAAA-GGAGQGGYGGLGSQGAGR---GGEGAGAAAAAA-GGAGQGGYGGLGGQG------------- _----AGQGGYGGLGSQGAGRGGLGGQGAGAAAA---GGAGQ---GGLGGQG------AGQGAGAAAAAA-GGAGQGGYGGLGSQGAGRGGLGGQGAGAVAAAAAGGAGQGGYGGLGSQGAGR---GGQGAGAAAAAA-GGAGQRGYGGLGNQGAGRGGLGGQGAGAAAAAAAGGAGQGGYGGLGNQGAGR---GGQ--GAAAAA--GGAGQGGYGGLGSQGAGR---GGQGAGAAAAAA-VGAGQEGIR--- GQG
M. Xu, RV Lewis, PNAS, 87 (1990) 7120
Silk
Molecular nanosprings in spider capture-silk threadsNATHAN BECKER1, EMIN OROUDJEV1, STEPHANIE MUTZ1, JASON P. CLEVELAND2,PAUL K. HANSMA1, CHERYL Y. HAYASHI3, DMITRII E. MAKAROV4 AND HELEN G. HANSMANature Materials 2 (2003) 278
Silkcapsules
T. Scheibel, Adv. Mat. 19 ( 2007) 1810
Silkcapsules
T. Scheibel, Adv. Mat. 19 ( 2007) 1810
Magnetic Particles
Crystallographic structure of Magnetite (Fe3O4)
Magnetic Particles
Electron spin configuration in Magnetite
Magnetic Order in Solid State
Ferromagnetic: Parallel spin order
Antiferromagnetic: Antiparallel spin order
Paramagnetic: No spin order
Superparamagnetic: Temporary spin orientation In external magnetic field – nanosized effect
Magnetization in ferro- andSuperparamagnetic systems
Neutron Scattering
Neutron Scattering Powder Diffractometer
Neutron Scattering
Magnetosome Formation
Bazylinski, D., Frankel, R., 2000. Magnetic iron oxide and iron sulfide minerals within microorganisms.In: Baeuerlein, E. (Ed.), Biomineralization: from biology to biotechnology and medical application. Wiley-VCH, Weinheim, Germany, pp. 25–46.
Magnetosome Formation
Arash Komeili, et al., Science 311, 242 (2006)Magnetosomes Are Cell Membrane Invaginations Organized by the Actin-Like Protein MamK
Magnetosome Formation
Arash Komeili, et al., Science 311, 242 (2006)Magnetosomes Are Cell Membrane Invaginations Organized by the Actin-Like Protein MamK
Magnetosome Formation
Atsushi Arakaki , J. R. Soc. Interface (2008) 5, 977–999Formation of magnetite by bacteria and its application
Magnetosome Formation
Magnetosome Formation
Magnetosome Formation
Magnetosome Formation
Dirk SchülerJ. Molec. Microbiol. Biotechnol. (1999) 1(1): 79-86.
Magnetosome Formation
Arakaki, A., Webb, J. & Matsunaga, T. A novel protein tightly bound to bacterial magnetite particles in Magnetospirillum magneticum strain AMB-1. J. Biol. Chem. 278, 8745–8750 (2003).
Magnetite formation in presence of the protein mms6 results in similar size distribution as in the cell
Magnetosome Application
Atsushi Arakaki , J. R. Soc. Interface (2008) 5, 977–999Formation of magnetite by bacteria and its application
Magnetosome Stabilisation
aa) With MM protein coatingMM – Magnetosome Membrane
b) Without MM protein coating
Claus Lang and Dirk Schüler , J. Phys.: Condens. Matter 18 (2006) S2815–S2828Biogenic nanoparticles: production, characterization, and application of bacterial magnetosomes
Magnetosome Functionalization
Claus Lang and Dirk Schüler , J. Phys.: Condens. Matter 18 (2006) S2815–S2828Biogenic nanoparticles: production, characterization, and application of bacterial magnetosomes
Synthetic Magnetosomes
Yeru Liu and Qianwang Chen , Nanotechnology 19 (2008) 475603 Synthesis of magnetosome chain-like structures
Synthetic Magnetosomes
Yeru Liu and Qianwang Chen , Nanotechnology 19 (2008) 475603 Synthesis of magnetosome chain-like structures
Magnetic nanoparticles in hyperthermia
Rudolf Hergt, S ilvio Dutz , Journal of Magnetism and Magnetic Materials 311 (2007) 187–192Magnetic particle hyperthermia—biophysical limitations of a visionary tumour therapy
Magnetic nanoparticles in hyperthermia
Rudolf Hergt, S ilvio Dutz , Journal of Magnetism and Magnetic Materials 311 (2007) 187–192Magnetic particle hyperthermia—biophysical limitations of a visionary tumour therapy
DNA structure
DNA structure
Replicating DNA by Polymerase Chain Reaction
Cloning by plasmids
Biomimetic approachesThe gecko – spiderman
Autumn, K. MRS Bulletin 32, 473 (2007)
Biomimetic approachesThe gecko – structural entities
Autumn, K. MRS Bulletin 32, 473 (2007)
C: SetaeD: Single Setae - individual keratin fibrills (Spatula)
Biomimetic approachesThe gecko – structural entities on various sizes
Gao,H. Mechanics of Materials 37, 275 (2005)
Biomimetic approachesThe gecko – some basic mechanics
Arzt,E. PNAS 100, 10603 (2003)
F = 2/3 π R γ Van der Waals interaction
Biomimetic approachesThe gecko – some basic mechanics
Arzt,E. PNAS 100, 10603 (2003)
Biomimetic approachesThe gecko – adhesion properties of materials
Autumn, K. MRS Bulletin 32, 473 (2007)
Biomimetic approachesThe gecko – scaling of stresses
Autumn, K. MRS Bulletin 32, 473 (2007)
Biomimetic approachesThe gecko – theoretical approaches
Reibung
Saugnäpfe
Kapillarkräfte
Mikroverzahnung
Elektrostatik
Van der Waals
Biomimetic approachesVan der Waals Kräfte
Tritt zwischen allen Materialien auf
Bewirkt durch Elektronenfluktuation
Kurzreichweitig ~ 1/ D3
Stark abhängig von der Kontaktfläche
Biomimetic approachesVan der Waals Forces
Hamaker constant:
Add up all the interactions Between the ‚red‘ atoms
Interaction free energy between two cubes of edge length L And separation distance l
l<< L (-A/12 π l2) L2 (per pair)
l
L
Biomimetic approachesThe gecko – technological applications
Chan, EP. MRS Bulletin 32, 496 (2007)
F‘ = n1/2 F
Biomimetic approachesThe gecko – technological applications
Chan, EP. MRS Bulletin 32, 502 (2007)
Biomimetic approachesThe gecko – biomimetic materials
Geim, AK Nature Materials 2, 461 (2003)
Biomimetic approachesThe gecko – technological applications
Chan, EP. MRS Bulletin 32, 502 (2007)
Biomimetic approachesThe gecko - some structural aspects of reversible
Creton, C. & Gorb, S. MRS Bulletin 32, 466 (2007)
Biomimetic approachesThe gecko – capillary effects (secondary)
Huber G., PNAS 102, 16293 (2005)
Biomimetic approachesThe gecko – technological applications
Daltorio, KA. MRS Bulletin 32, 504 (2007)
Hydrophobic surface of collemboles (Springschwanz)
Hydrophobic surface of collemboles (Springschwanz)
Biomimetic approachesUltrahydrophobic surfaces
Quere, D. , Nature 1, 14 (2002)
Influence of surface textureby roughness a,cWenzel case
Influence of surface textureby air entrapment b
Cassie – Baxter case
Biomimetic approachesUltrahydrophobic surfaces
Wenzel casecos (θr) = r cos(θs)
Contact angle on rough surface
Contact angle on smooth surface
r = A / A‘
A = true surface areaA‘= apparent surface area
Cho, W.K. , Nanotechnology 18, 385602 (2007)
Biomimetic approachesUltrahydrophobic surfaces
Cassie-Baxter cos (θr) = f1 cos(θs) – f2
f1 = surface fraction mat.f2 = surface fraction air
Cho, W.K. , Nanotechnology 18, 385602 (2007)
Biomimetic approachesUltrahydrophobic surfaces
Shibuichi, S. , J. Phys. Chem. 100, 19512 (1996)
Biomimetic approachesUltrahydrophobic surfaces
Cho, W.K. , Nanotechnology 18, 385602 (2007)
Aluminiumoxide surface hydrophobization by topography
Biomimetic approachesUltrahydrophobic surfaces
Cho, W.K. , Nanotechnology 18, 385602 (2007)
Surface hydrophobization by chemistry
Biomimetic approachesUltrahydrophobic surfaces
Cho, W.K. , Nanotechnology 18, 385602 (2007)
Biomimetic ultrahydrophobic surface of Indium oxide
Y. Li j. Coll. Int. Sci. 314, 615-620 (2007)
Structural elements of FF-Dipeptide
1,2 nm
Dipeptide
Structural transformations of FF Dipeptide
FF Dipetide annealed at 155 deg. C / dry cond.
FF Dipetide annealed at 155 deg. C / high humidity
Ultrahydrophobic self-assembled FF
Ultrahydrophobic self-assembled FF
Y.Su J. Mater. Chem., 2010, 20, 6734–6740
ΘOil 143 ° ΘWater 143 °
Ultrahydrophobic self-assembled FF
J.S. Lee Soft Matter, 2009, 5, 2717–2720
Ultrahydrophobic honeycomb films
W. Dong Langmuir 2009, 25, 173-178
Self organization of µ-/ mesocaled objectsSelf-assembling machines
S. Griffith Nature 237, 636 (2005)
Self organization of µ-/ mesocaled objectsSelf-assembling machines
R. Gross IEEE Transactions on robotics 237, 1115-1130 (2006)
Self organization of µ-/ mesocaled objectsSelf-assembling microparts
W. Zheng and H.O. Jacobs Adv. Mater. 2006, 18, 1387–1392
Self organization of µ-/ mesocaled objectsInterfacial tension driven self-assembly
J. Fang , KF Böhringer J. Micromech. Microeng. (2006) 721–730
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly
L.Malaquin. Langmuir 2007, 23, 11513-11521
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly
L.Malaquin. Langmuir 2007, 23, 11513-11521
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly
L.Malaquin. Langmuir 2007, 23, 11513-11521
PolyStyreneparticles
Goldparticles
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / DNA assisted SA
M,.P. Valignat PNAS 2005, 102, 4225-4229
Self organization of µ-/ mesocaled objectsDepletion induced assembly
Hernadez , Mason TG , J.Phys. Chem. C (2007) 4477
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / DNA assisted SA
M,.P. Valignat PNAS 2005, 102, 4225-4229
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / electrostatic SA
J. Tien Langmuir 1997, 13, 5349-5355
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / electrostatic SA
J. Tien Langmuir 1997, 13, 5349-5355
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / wetting controlled SA
Rothemund PNAS 2000, 97, 984-989
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / wetting controlled SA
Rothemund PNAS 2000, 97, 984-989
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / surface induced SA
Onoe Small 2007, 3, 1383-1389
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / surface induced SA
Onoe Small 2007, 3, 1383-1389
Self organization of µ-/ mesocaled objectsPrinciples of particle self-assembly / surface induced SA
Onoe Small 2007, 3, 1383-1389
Self organization of µ-/ mesocaled objectsInterfacial tension driven self-assembly
M. Bowden Journal of the American Chemical Society 121, 5373-5391 (1999)
Self organization of µ-/ mesocaled objectsInterfacial tension driven self-assembly
M. Bowden Journal of the American Chemical Society 121, 5373-5391 (1999)