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Research Output 1988 2019

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Article
2011

MEMS sensors and microsystems for cell mechanobiology

Rajagopalan, J. & Saif, M. T. A., May 1 2011, In : Journal of Micromechanics and Microengineering. 21, 5, 054002.

Research output: Contribution to journalArticle

Microsystems
MEMS
Mechanics
Sensors
Cell death

Top-down synthesis of versatile polyaspartamide linkers for single-step protein conjugation to materials

Cha, C., Jeong, J. H., Tang, X., Zill, A. T., Prakash, Y. S., Zimmerman, S. C., Saif, T. A. & Kong, H., Dec 21 2011, In : Bioconjugate Chemistry. 22, 12, p. 2377-2382 6 p.

Research output: Contribution to journalArticle

Proteins
Hydrogel
Fibronectins
Hydrogels
Gold
2010

A novel method for in situ uniaxial tests at the micro/nano scalepart I: Theory

Kang, W. & Saif, M. T. A., Dec 1 2010, In : Journal of Microelectromechanical Systems. 19, 6, p. 1309-1321 13 p., 5597908.

Research output: Contribution to journalArticle

Testing
MEMS
Electron microscopes
Scanning

A novel method for in situ uniaxial tests at the micro/nanoscalepart II: Experiment

Kang, W., Han, J. H. & Saif, M. T. A., Dec 1 2010, In : Journal of Microelectromechanical Systems. 19, 6, p. 1322-1330 9 p., 5597909.

Research output: Contribution to journalArticle

MEMS
Electron microscopes
Elastic moduli
Experiments
Single crystals

Drosophila neurons actively regulate axonal tension in vivo

Jagannathan Rajagopalan, R., Alireza Tofangchi, T. & Saif, M. T. A., Nov 17 2010, In : Biophysical journal. 99, 10, p. 3208-3215 8 p.

Research output: Contribution to journalArticle

Drosophila
Neurons
Neuromuscular Junction
Motor Neurons
Neurites

In situ TEM study of microplasticity and Bauschinger effect in nanocrystalline metals

Rajagopalan, J., Rentenberger, C., Peter Karnthaler, H., Dehm, G. & Saif, M. T. A., Aug 1 2010, In : Acta Materialia. 58, 14, p. 4772-4782 11 p.

Research output: Contribution to journalArticle

Metals
Transmission electron microscopy
Aluminum
Strain measurement
Stress measurement

Linear high-resolution BioMEMS force sensors with large measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., Dec 1 2010, In : Journal of Microelectromechanical Systems. 19, 6, p. 1380-1389 10 p., 5599273.

Research output: Contribution to journalArticle

BioMEMS
Sensors
Force measurement
Fruits
Masks

Mechanical force affects expression of an in vitro metastasis-like phenotype in HCT-8 cells

Tang, X., Kuhlenschmidt, T. B., Zhou, J., Bell, P., Wang, F., Kuhlenschmidt, M. S. & Saif, M. T. A., Oct 20 2010, In : Biophysical journal. 99, 8, p. 2460-2469 10 p.

Research output: Contribution to journalArticle

Neoplasm Metastasis
Phenotype
Cadherins
In Vitro Techniques
Cultured Cells

Myoblast morphology and organization on biochemically micro-patterned hydrogel coatings under cyclic mechanical strain

Ahmed, W. W., Wolfram, T., Goldyn, A. M., Bruellhoff, K., Rioja, B. A., Möller, M., Spatz, J. P., Saif, M. T. A., Groll, J. & Kemkemer, R., Jan 1 2010, In : Biomaterials. 31, 2, p. 250-258 9 p.

Research output: Contribution to journalArticle

Tensile strain
Myoblasts
Hydrogel
Hydrogels
Coatings

Stiffness of the substrate influences the phenotype of embryonic chicken cardiac myocytes

Bajaj, P., Tang, X., Saif, T. A. & Bashir, R., Dec 15 2010, In : Journal of Biomedical Materials Research - Part A. 95, 4, p. 1261-1269 9 p.

Research output: Contribution to journalArticle

Tissue culture
Stiffness
Polyacrylates
Substrates
Adhesion
2009

Mechanical tension contributes to clustering of neurotransmitter vesicles at presynaptic terminals

Siechen, S., Yang, S., Chiba, A. & Saif, M. T. A., Aug 4 2009, In : Proceedings of the National Academy of Sciences of the United States of America. 106, 31, p. 12611-12616 6 p.

Research output: Contribution to journalArticle

Presynaptic Terminals
Neurotransmitter Agents
Cluster Analysis
Axons
Synapses

Microfabricated force sensors and their applications in the study of cell mechanical response

Yang, S. & Saif, M. T. A., Jan 1 2009, In : Experimental Mechanics. 49, 1, p. 135-151 17 p.

Research output: Contribution to journalArticle

Sensors
Indentation
Experiments
Cells
2008

Bauschinger effect in unpassivated freestanding nanoscale metal films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Oct 1 2008, In : Scripta Materialia. 59, 7, p. 734-737 4 p.

Research output: Contribution to journalArticle

Bauschinger effect
Unloading
metal films
Metals
unloading

On plastic strain recovery in freestanding nanocrystalline metal thin films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Nov 1 2008, In : Scripta Materialia. 59, 9, p. 921-926 6 p.

Research output: Contribution to journalArticle

Plastic deformation
plastics
Metals
recovery
Recovery
2007

Force response and actin remodeling (agglomeration) in fibroblasts due to lateral indentation

Yang, S. & Saif, M. T. A., Jan 1 2007, In : Acta Biomaterialia. 3, 1, p. 77-87 11 p.

Research output: Contribution to journalArticle

Fibroblasts
Indentation
Actins
Agglomeration
Fibers

MEMS based force sensors for the study of indentation response of single living cells

Yang, S. & Saif, M. T. A., Mar 30 2007, In : Sensors and Actuators, A: Physical. 135, 1, p. 16-22 7 p.

Research output: Contribution to journalArticle

indentation
Indentation
microelectromechanical systems
MEMS
Cells

Plastic deformation recovery in freestanding nanocrystalline aluminum and gold thin films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Mar 30 2007, In : Science. 315, 5820, p. 1831-1834 4 p.

Research output: Contribution to journalArticle

Aluminum
Gold
Plastics
Metals
Temperature

Single degree of freedom model for thermoelastic damping

Rajagopalan, J. & Saif, M. T. A., May 1 2007, In : Journal of Applied Mechanics, Transactions ASME. 74, 3, p. 461-468 8 p.

Research output: Contribution to journalArticle

Degrees of freedom (mechanics)
degrees of freedom
Damping
damping
cantilever beams

Stress development in plasma-deposited silicon dioxide thin-films due to hydrogen evolution

Mani, S. & Saif, T., Jan 22 2007, In : Thin Solid Films. 515, 5, p. 3120-3125 6 p.

Research output: Contribution to journalArticle

Silicon Dioxide
Hydrogen
Silica
silicon dioxide
Plasmas
2006

Correlating dislocation behavior with macroscopic mechanical properties directly in the TEM through use of a novel tensile test device

Hattar, K., Han, J. J., Saif, T., Robertson, I. M., Follstaedt, D. M. & Hearne, S. J., Aug 1 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 932-933 2 p.

Research output: Contribution to journalArticle

tensile tests
mechanical properties
Transmission electron microscopy
Mechanical properties
transmission electron microscopy

Dry stiction of micro structures - Theory and experiment

Meinhart, M., Miller, N. & Saif, M. T. A., Jan 1 2006, In : Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 462, 2066, p. 567-585 19 p.

Research output: Contribution to journalArticle

stiction
Stiction
Microstructure
venting
microstructure

Effect of annealing on the conductivity of electroless deposited Ni nanowires and films

Mani, S., Saif, M. T. A. & Han, J. H., Mar 1 2006, In : IEEE Transactions on Nanotechnology. 5, 2, p. 138-141 4 p.

Research output: Contribution to journalArticle

Nanowires
Wire
Annealing
Nickel
Electron-phonon interactions

In situ microtensile stage for electromechanical characterization of nanoscale freestanding films

Han, J. H. & Saif, M. T. A., May 15 2006, In : Review of Scientific Instruments. 77, 4, 045102.

Research output: Contribution to journalArticle

Testing
electrical resistivity
Fabrication
Temperature
Strain measurement
2005

In situ tensile testing of nanoscale freestanding thin films inside a transmission electron microscope

Haque, M. A. & Saif, M. T. A., Jul 1 2005, In : Journal of Materials Research. 20, 7, p. 1769-1777 9 p.

Research output: Contribution to journalArticle

Tensile testing
Electron microscopes
electron microscopes
Transmission electron microscopy
Thin films

In situ transmission electron microscopy observations of toughening mechanisms in ultra-fine grained columnar aluminum thin films

Hattar, K., Han, J., Saif, M. T. A. & Robertson, I. M., Jul 1 2005, In : Journal of Materials Research. 20, 7, p. 1869-1877 9 p.

Research output: Contribution to journalArticle

Toughening
Aluminum
cracks
Transmission electron microscopy
Cracks

Mechanism of controlled crack formation in thin-film dielectrics

Mani, S. & Saif, M. T. A., May 16 2005, In : Applied Physics Letters. 86, 20, p. 1-3 3 p., 201903.

Research output: Contribution to journalArticle

crack initiation
cracks
thin films
slits
voids

Micromachined force sensors for the study of cell mechanics

Yang, S. & Saif, T., Apr 1 2005, In : Review of Scientific Instruments. 76, 4, 044301.

Research output: Contribution to journalArticle

Mechanics
sensors
Sensors
cells
probes

Reversible and repeatable linear local cell force response under large stretches

Yang, S. & Saif, M. T. A., Apr 15 2005, In : Experimental Cell Research. 305, 1, p. 42-50 9 p.

Research output: Contribution to journalArticle

Cytochalasin D
Silicon
Actin Cytoskeleton
Cell Size
Fibronectins

Thermo-mechanical properties of nano-scale freestanding aluminum films

Haque, M. A. & Saif, M. T. A., Jul 22 2005, In : Thin Solid Films. 484, 1-2, p. 364-368 5 p.

Research output: Contribution to journalArticle

Aluminum
mechanical properties
aluminum
Thin films
Mechanical properties
2004
Electric power measurement
Tensile testing
Stress relaxation
Relaxation time
MEMS
Elastic Modulus
Metals
Electrons
Aluminum
Gold

Development and application of a MEMS-based in Situ TEM straining device for ultra-fine grained metallic systems

Hattar, K., Han, J., Saif, M. T. A. & Robertson, I. M., Sep 24 2004, In : Microscopy and Microanalysis. 10, SUPPL. 2, p. 50-51 2 p.

Research output: Contribution to journalArticle

microelectromechanical systems
MEMS
Transmission electron microscopy
transmission electron microscopy

Guided self-assembly of metallic nanowires and channels

Alaca, B. E., Sehitoglu, H. & Saif, M. T. A., Jun 7 2004, In : Applied Physics Letters. 84, 23, p. 4669-4671 3 p.

Research output: Contribution to journalArticle

self assembly
nanowires
cracks
stress concentration
tensile stress

Nonlinear dynamic study of a bistable MEMS: Model and experiment

Sulfridge, M., Saif, M. T. A., Miller, N. & Meinhart, M., Oct 1 2004, In : Journal of Microelectromechanical Systems. 13, 5, p. 725-731 7 p.

Research output: Contribution to journalArticle

MEMS
Laser pulses
Experiments
Radiation

Surface tension driven formation of microstructures

Bauer, J. M., Saif, M. T. A. & Beebe, D. J., Aug 1 2004, In : Journal of Microelectromechanical Systems. 13, 4, p. 553-558 6 p.

Research output: Contribution to journalArticle

Surface tension
Microstructure
Liquids
Ultraviolet radiation
Contacts (fluid mechanics)
2003

A review of MEMS-based miroscale and nanoscale tensile and bending testing

Haque, M. A. & Saif, M. T. A., Sep 2003, In : Experimental Mechanics. 43, 3, p. 248-255 8 p.

Research output: Contribution to journalArticle

MEMS
Mechanical testing
Testing
Materials testing
Polycrystals

Correlating deformation mechanisms with mechanical properties in freestanding thin metallic films

Haque, M. A., Saif, M. T. A., Robach, J. S. & Robertson, I. M., 2003, In : Microscopy and Microanalysis. 9, SUPPL. 2, p. 898-899 2 p.

Research output: Contribution to journalArticle

Metallic films
mechanical properties
Thin films
Mechanical properties
Adhesion
Cells
Sensors
Substrates
Endothelial cells

Strain gradient effect in nanoscale thin films

Haque, M. A. & Saif, M. T. A., Jun 27 2003, In : Acta Materialia. 51, 11, p. 3053-3061 9 p.

Research output: Contribution to journalArticle

Thin films
Aluminum
Nanoindentation
Constitutive equations
Nickel
2002

Biaxial testing of nanoscale films on compliant substrates: Fatigue and fracture

Erdem Alaca, B., Selby, J. C., Saif, M. T. A. & Sehitoglu, H., Aug 1 2002, In : Review of Scientific Instruments. 73, 8, 1 p.

Research output: Contribution to journalArticle

Fatigue of materials
Testing
Substrates

Effect of native Al2O3 on the elastic response of nanoscale Al films

Saif, M. T. A., Zhang, S., Haque, A. & Hsia, K. J., Jun 28 2002, In : Acta Materialia. 50, 11, p. 2779-2786 8 p.

Research output: Contribution to journalArticle

Oxides
Elastic moduli
Thin films
Aluminum Oxide
Thick films

In-situ tensile testing of nano-scale specimens in SEM and TEM

Haque, M. A. & Saif, M. T. A., Jan 1 2002, In : Experimental Mechanics. 42, 1, p. 123-128 6 p., BF02411059.

Research output: Contribution to journalArticle

Tensile testing
Transmission electron microscopy
Scanning electron microscopy
Micromachining
Substrates

Mechanical behavior of 30-50 nm thick aluminum films under uniaxial tension

Haque, M. A. & Saif, M. T. A., Dec 1 2002, In : Scripta Materialia. 47, 12, p. 863-867 5 p.

Research output: Contribution to journalArticle

tensile tests
Aluminum
ductility
Ductility
Elasticity

On the capillary interaction between solid plates forming menisci on the surface of a liquid

Saif, M. T. A., Dec 25 2002, In : Journal of Fluid Mechanics. 473, p. 321-347 27 p.

Research output: Contribution to journalArticle

menisci
Liquids
liquids
interactions
Laplace equation

On the interface debond at the edge of a thin film on a thick substrate

Erdem Alaca, B., Saif, M. T. A. & Sehitoglu, H., Mar 14 2002, In : Acta Materialia. 50, 5, p. 1197-1209 13 p.

Research output: Contribution to journalArticle

Thin films
Substrates
Stress intensity factors
Shear stress
Asymptotic analysis

Optical actuation of a bistable MEMS

Sulfridge, M., Saif, M. T. A., Miller, N. & O'Hara, K., Oct 1 2002, In : Journal of Microelectromechanical Systems. 11, 5, p. 574-583 10 p.

Research output: Contribution to journalArticle

MEMS
Light velocity
Radiation
Electronic states
Momentum

The strain gradient effect in microelectromechanical systems (MEMS)

Xue, Z., Saif, M. T. A. & Huang, Y., Feb 1 2002, In : Journal of Microelectromechanical Systems. 11, 1, p. 27-35 9 p.

Research output: Contribution to journalArticle

MEMS
Plasticity
Digital devices
Bias voltage
Strain energy
2001

Microscale materials testing using MEMS actuators

Haque, M. A. & Saif, M. T. A., Mar 1 2001, In : Journal of Microelectromechanical Systems. 10, 1, p. 146-152 7 p.

Research output: Contribution to journalArticle

Materials testing
MEMS
Actuators
Tensile testing
Testing
2000

Bending response of a 100nm thick free standing aluminum cantilever beam

Saif, M. T. A., Saif, A. & Haque, A., 2000, In : Materials Research Society Symposium - Proceedings. 594, p. 207-211 5 p.

Research output: Contribution to journalArticle

cantilever beams
Cantilever beams
Aluminum
aluminum
MEMS

On a tunable bistable MEMS - theory and experiment

Saif, M. T. A., Jun 1 2000, In : Journal of Microelectromechanical Systems. 9, 2, p. 157-170 14 p.

Research output: Contribution to journalArticle

MEMS
Buckling
Analytical models
Actuators
Experiments