Ravi F Saraf, PhD

Professor

  • 2276 Citations
  • 26 h-Index
1980 …2019
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Research Output 1980 2019

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Article
2019

Electrochemical characteristics of a DNA modified electrode as a function of percent binding

Tevatia, R., Prasad, A. & Saraf, R. F., Aug 20 2019, In : Analytical chemistry. 91, 16, p. 10492-10500 9 p.

Research output: Contribution to journalArticle

Interferometry
Electrodes
Molecules
DNA
Ions

Electrochemical Characteristics of a DNA Modified Electrode as a Function of Percent Binding

Tevatia, R., Prasad, A. & Saraf, R. F., Aug 20 2019, In : Analytical chemistry. 91, 16, p. 10501-10508 8 p.

Research output: Contribution to journalArticle

Interferometry
Electrodes
Molecules
DNA
Ions

Quantitative Visualization of Topology and Morphing of Percolation Path in Nanoparticle Network Array Exhibiting Coulomb Blockade at Room Temperature

Wilson, P., Ong, J. K. Y., Prasad, A. & Saraf, R. F., Aug 15 2019, In : Journal of Physical Chemistry C. 123, 32, p. 19999-20005 7 p.

Research output: Contribution to journalArticle

Coulomb blockade
Self assembly
topology
Visualization
Topology
2018
4 Citations (Scopus)

Heavy metal ion detection on a microspot electrode using an optical electrochemical probe

Roy, S., Prasad, A., Tevatia, R. & Saraf, R. F., Jan 2018, In : Electrochemistry Communications. 86, p. 94-98 5 p.

Research output: Contribution to journalArticle

Heavy Metals
Heavy ions
Heavy metals
Metal ions
Electrodes
4 Citations (Scopus)

Quantitative Electrochemical DNA Microarray on a Monolith Electrode with Ten Attomolar Sensitivity, 100 % Specificity, and Zero Background

Raghunath, S., Prasad, A., Tevatia, R., Gunther, J. R., Roy, S., Krishnan, S. & Saraf, R. F., Feb 2018, In : ChemElectroChem. 5, 3, p. 429-433 5 p.

Research output: Contribution to journalArticle

Microarrays
MicroRNAs
DNA
Plasmas
Electrodes
1 Citation (Scopus)

Simultaneous Printing of Two Inks by Contact Lithography

Moore, D. & Saraf, R. F., Apr 25 2018, In : ACS Applied Materials and Interfaces. 10, 16, p. 14193-14199 7 p.

Research output: Contribution to journalArticle

Ink
Lithography
Printing
Polyelectrolytes
Sensors
2016
5 Citations (Scopus)

Noninvasive Measurement of Electrical Events Associated with a Single Chlorovirus Infection of a Microalgal Cell

Lee, S. W., Lee, E. H., Thiel, G., Van Etten, J. L. & Saraf, R. F., May 24 2016, In : ACS Nano. 10, 5, p. 5123-5130 8 p.

Research output: Contribution to journalArticle

infectious diseases
Cell membranes
Viruses
Chlorella
Depolarization
2014
2 Citations (Scopus)

Dense Array of Nanoparticles as a Large-Area Nanoelectrode for Sensors: An Oxymoron Mesomaterial?

Lee, S. W., Lee, E. H. & Saraf, R. F., Aug 12 2014, In : ChemElectroChem. 1, 8, p. 1281-1286 6 p.

Research output: Contribution to journalArticle

Nanoparticles
Electrodes
Monolayers
Sensors
Redox reactions
1 Citation (Scopus)

Multianalyte electrochemical biosensor on a monolith electrode by optically scanning the electrical double layer

Lee, S. W. & Saraf, R. F., Jul 15 2014, In : Biosensors and Bioelectronics. 57, p. 41-47 7 p.

Research output: Contribution to journalArticle

Electrometers
Biosensing Techniques
Biosensors
Oxidation-Reduction
Electrodes
4 Citations (Scopus)

Negative printing by soft lithography

Ong, J. K. Y., Moore, D., Kane, J. & Saraf, R. F., Jan 1 2014, In : ACS Applied Materials and Interfaces. 6, 16, p. 14278-14285 8 p.

Research output: Contribution to journalArticle

Polydimethylsiloxane
Lithography
Printing
Polymers
Oligomers
9 Citations (Scopus)

Noninvasive measurement of membrane potential modulation in microorganisms: Photosynthesis in green algae

Lee, E. H., Lee, S. W. & Saraf, R. F., Jan 28 2014, In : ACS Nano. 8, 1, p. 780-786 7 p.

Research output: Contribution to journalArticle

photosynthesis
Photosynthesis
algae
microorganisms
Cell membranes
8 Citations (Scopus)

Tactile imaging of an imbedded palpable structure for breast cancer screening

Van Nguyen, C. & Saraf, R. F., Sep 24 2014, In : ACS Applied Materials and Interfaces. 6, 18, p. 16368-16374 7 p.

Research output: Contribution to journalArticle

Screening
Stiffness
Imaging techniques
Textures
Tissue
2013
7 Citations (Scopus)

Direct mapping of local redox current density on a monolith electrode by laser scanning

Lee, S. W., Lopez, J. & Saraf, R. F., Sep 5 2013, In : Biosensors and Bioelectronics. 47, p. 408-414 7 p.

Research output: Contribution to journalArticle

Oxidation-Reduction
Electrodes
Lasers
Current density
Scanning
7 Citations (Scopus)

Fabrication and properties of redox ion doped few monolayer thick polyelectrolyte film for electrochemical biosensors at high sensitivity and specificity

Lee, S. W., Lopez, J. & Saraf, R. F., Jun 1 2013, In : Electroanalysis. 25, 6, p. 1557-1566 10 p.

Research output: Contribution to journalArticle

Polyelectrolytes
Biosensors
Monolayers
Ions
Fabrication
7 Citations (Scopus)

Imaging electroluminescence from individual nanoparticles in an array exhibiting room temperature single electron effect

Ong, J. K. Y., Nguyen, C. V., Sayood, S. & Saraf, R. F., Aug 27 2013, In : ACS Nano. 7, 8, p. 7403-7410 8 p.

Research output: Contribution to journalArticle

Electroluminescence
electroluminescence
Nanoparticles
Imaging techniques
nanoparticles
14 Citations (Scopus)
Nanofibers
Electron devices
Polycyclic aromatic hydrocarbons
Gold
Nanoparticles
12 Citations (Scopus)

Single electron transistor in aqueous media

Yu, C., Lee, S. W., Ong, J., Moore, D. & Saraf, R. F., Jun 11 2013, In : Advanced Materials. 25, 22, p. 3079-3084 6 p.

Research output: Contribution to journalArticle

Single electron transistors
Coulomb blockade
Nanostructured materials
Gold
Transistors
2012
97 Citations (Scopus)

Tuning the energy level offset between donor and acceptor with ferroelectric dipole layers for increased efficiency in Bilayer organic photovoltaic cells

Yang, B., Yuan, Y., Sharma, P., Poddar, S., Korlacki, R., Ducharme, S., Gruverman, A., Saraf, R. F. & Huang, J., Mar 15 2012, In : Advanced Materials. 24, 11, p. 1455-1460 6 p.

Research output: Contribution to journalArticle

Butyric acid
Butyric Acid
Photovoltaic cells
Electron energy levels
Ferroelectric materials
8 Citations (Scopus)

Ultrasoft 100 nm thick zero poisson's ratio film with 60% reversible compressibility

Nguyen, C., Maheshwari, V. & Saraf, R. F., Apr 11 2012, In : Nano Letters. 12, 4, p. 2171-2175 5 p.

Research output: Contribution to journalArticle

Poisson ratio
Compressibility
compressibility
Monolayers
Polymers
2011
29 Citations (Scopus)

Chemistry, physics, and engineering of electrically percolating arrays of nanoparticles: A mini review

Kane, J., Ong, J. & Saraf, R. F., Nov 14 2011, In : Journal of Materials Chemistry. 21, 42, p. 16846-16858 13 p.

Research output: Contribution to journalArticle

Physics
Nanoparticles
Electrons
Coulomb blockade
Electron devices
19 Citations (Scopus)

Electrical control of photoluminescence wavelength from semiconductor quantum dots in a ferroelectric polymer matrix

Korlacki, R., Saraf, R. F. & Ducharme, S., Oct 10 2011, In : Applied Physics Letters. 99, 15, 153112.

Research output: Contribution to journalArticle

quantum dots
photoluminescence
electric fields
polymers
vinylidene
22 Citations (Scopus)

Electrospinning of PAH nanofiber and deposition of Au NPs for nanodevice fabrication

Kundu, S., Gill, R. S. & Saraf, R. F., Aug 18 2011, In : Journal of Physical Chemistry C. 115, 32, p. 15845-15852 8 p.

Research output: Contribution to journalArticle

Electrospinning
polycyclic aromatic hydrocarbons
Polycyclic aromatic hydrocarbons
Nanofibers
Nanoparticles
5 Citations (Scopus)

Modulation of electron tunneling in a nanoparticle array by sound waves: An avenue to high-speed, high-sensitivity sensors

Berry, V. & Saraf, R. F., Sep 5 2011, In : Small. 7, 17, p. 2485-2490 6 p.

Research output: Contribution to journalArticle

Electron tunneling
Humidity
Polyelectrolytes
Nanoparticles
Atmospheric humidity
2010
20 Citations (Scopus)

Ion mediated monolayer deposition of gold nanoparticles on microorganisms: Discrimination by age

Maheshwari, V., Fomenko, D., Singh, G. & Saraf, R. F., Jan 5 2010, In : Langmuir. 26, 1, p. 371-377 7 p.

Research output: Contribution to journalArticle

microorganisms
Gold
Microorganisms
discrimination
Monolayers
36 Citations (Scopus)

Self-assembled nanoparticle necklaces network showing single-electron switching at room temperature and biogating current by living microorganisms

Kane, J., Inan, M. & Saraf, R. F., Jan 26 2010, In : ACS Nano. 4, 1, p. 317-323 7 p.

Research output: Contribution to journalArticle

microorganisms
Microorganisms
Nanoparticles
nanoparticles
Electrons
2009
11 Citations (Scopus)

Localized electrochemistry on a 10 μm spot on a monolith large electrode: An avenue for electrochemical microarray analysis

Singh, G., Moore, D. & Saraf, R. F., Aug 1 2009, In : Analytical chemistry. 81, 15, p. 6055-6060 6 p.

Research output: Contribution to journalArticle

Electrochemistry
Microarrays
Electrodes
Laser beams
Modulation
2008
47 Citations (Scopus)

Photolytic metallization of Au nanoclusters and electrically conducting micrometer long nanostructures on a DNA scaffold

Kundu, S., Maheshwari, V. & Saraf, R. F., Jan 15 2008, In : Langmuir. 24, 2, p. 551-555 5 p.

Research output: Contribution to journalArticle

Nanoclusters
Metallizing
nanoclusters
Scaffolds
micrometers
46 Citations (Scopus)

Polyelectrolyte mediated scalable synthesis of highly stable silver nanocubes in less than a minute using microwave irradiation

Kundu, S., Maheshwari, V., Niu, S. & Saraf, R. F., Feb 13 2008, In : Nanotechnology. 19, 6, 065604.

Research output: Contribution to journalArticle

Microwave irradiation
Polyelectrolytes
Silver
Microwave heating
Gold
49 Citations (Scopus)

Self-assembly of a micrometers-long one-dimensional network of cemented Au nanoparticles

Maheshwari, V., Kane, J. & Saraf, R. F., Jan 18 2008, In : Advanced Materials. 20, 2, p. 284-287 4 p.

Research output: Contribution to journalArticle

Self assembly
Nanoparticles
Salts
Wine
Surface plasmon resonance
2007
13 Citations (Scopus)

Label-less fluorescence-based method to detect hybridization with applications to DNA micro-array

Niu, S., Singh, G. & Saraf, R. F., Dec 15 2007, In : Biosensors and Bioelectronics. 23, 5, p. 714-720 7 p.

Research output: Contribution to journalArticle

Single-Stranded DNA
Labels
DNA
Fluorescence
Refractometry
17 Citations (Scopus)

Selective assembly of nanoparticles on block copolymer by surface modification

Niu, S. & Saraf, R. F., Mar 28 2007, In : Nanotechnology. 18, 12, 125607.

Research output: Contribution to journalArticle

Block copolymers
Surface treatment
Nanoparticles
Polystyrenes
Polyisoprenes
2006
8 Citations (Scopus)

Direct measurement of ion accumulation at the electrode electrolyte interface under an oscillatory electric field

Singh, G. & Saraf, R. F., Jun 29 2006, In : Journal of Physical Chemistry B. 110, 25, p. 12581-12587 7 p.

Research output: Contribution to journalArticle

Electrolytes
Electric fields
electrolytes
Ions
Electrodes
210 Citations (Scopus)

High-resolution thin film device to sense texture by touch

Maheshwari, V. & Saraf, R. F., Jun 9 2006, In : Science. 312, 5779, p. 1501-1504 4 p.

Research output: Contribution to journalArticle

Touch
Equipment and Supplies
Fingers
Metal Nanoparticles
Light
26 Citations (Scopus)

Mineralization of monodispersed CdS nanoparticles on polyelectrolyte superstructure forming an electroluminescent "necklace-of-beads"

Maheshwari, V. & Saraf, R. F., Oct 10 2006, In : Langmuir. 22, 21, p. 8623-8626 4 p.

Research output: Contribution to journalArticle

Polyelectrolytes
beads
Nanoparticles
nanoparticles
Polymers
2005
142 Citations (Scopus)

Deposition of CTAB-terminated nanorods on bacteria to form highly conducting hybrid systems

Berry, V., Gole, A., Kundu, S., Murphy, C. J. & Saraf, R. F., Dec 21 2005, In : Journal of the American Chemical Society. 127, 50, p. 17600-17601 2 p.

Research output: Contribution to journalArticle

Nanotubes
Hybrid systems
Nanorods
Nanospheres
Bacteria
87 Citations (Scopus)

Self-assembly of nanoparticles on live bacterium: An avenue to fabricate electronic devices

Berry, V. & Saraf, R. F., Oct 21 2005, In : Angewandte Chemie - International Edition. 44, 41, p. 6668-6673 6 p.

Research output: Contribution to journalArticle

Self assembly
Bacteria
Nanoparticles
Gold
Swelling
2004
64 Citations (Scopus)

Highly selective, electrically conductive monolayer of nanoparticles on live bacteria

Berry, V., Rangaswamy, S. & Saraf, R. F., May 1 2004, In : Nano Letters. 4, 5, p. 939-942 4 p.

Research output: Contribution to journalArticle

bacteria
Monolayers
Bacteria
Annealing
Nanoparticles
114 Citations (Scopus)

Optical properties of an immobilized DNA monolayer from 255 to 700 nm

Elhadj, S., Singh, G. & Saraf, R. F., Jun 22 2004, In : Langmuir. 20, 13, p. 5539-5543 5 p.

Research output: Contribution to journalArticle

Single-Stranded DNA
Monolayers
DNA
deoxyribonucleic acid
Optical properties
126 Citations (Scopus)

Synthesis, characterization, and gas permeation properties of a hydrogen permeable silica membrane supported on porous alumina

Lee, D., Zhang, L., Oyama, S. T., Niu, S. & Saraf, R. F., Mar 1 2004, In : Journal of Membrane Science. 231, 1-2, p. 117-126 10 p.

Research output: Contribution to journalArticle

Aluminum Oxide
Permeation
Silicon Dioxide
Hydrogen
Alumina
136 Citations (Scopus)

Theory of hydrogen permeability in nonporous silica membranes

Oyama, S. T., Lee, D., Hacarlioglu, P. & Saraf, R. F., Nov 15 2004, In : Journal of Membrane Science. 244, 1-2, p. 45-53 9 p.

Research output: Contribution to journalArticle

Silicon Dioxide
Hydrogen
Permeability
Permeation
permeability
2003
21 Citations (Scopus)

Orientation of self-assembled block copolymer cylinders perpendicular to electric field in mesoscale film

Elhadj, S., Woody, J. W., Niu, V. S. & Saraf, R. F., Feb 10 2003, In : Applied Physics Letters. 82, 6, p. 871-873 3 p.

Research output: Contribution to journalArticle

block copolymers
electric fields
self assembly
2 Citations (Scopus)

Solid-like dynamics in ultrathin films of polymeric liquids

Singh, G., Saraf, R. F. & Martin, Y., Dec 29 2003, In : Applied Physics Letters. 83, 26, p. 5410-5412 3 p.

Research output: Contribution to journalArticle

liquids
electric fields
dynamic response
reflectance
thin films
60 Citations (Scopus)

Stability of order in solvent-annealed block copolymer thin films

Niu, S. & Saraf, R. F., Apr 8 2003, In : Macromolecules. 36, 7, p. 2428-2440 13 p.

Research output: Contribution to journalArticle

Block copolymers
Thin films
Aging of materials
Polystyrenes
Annealing
2002
6 Citations (Scopus)

An approach to sequence DNA without tagging

Niu, S. & Saraf, R. F., Oct 1 2002, In : Smart Materials and Structures. 11, 5, p. 778-782 5 p.

Research output: Contribution to journalArticle

strands
marking
DNA
deoxyribonucleic acid
Pixels
10 Citations (Scopus)

Spontaneous planarization of nanoscale phase separated thin film

Saraf, R. F., Niu, S. & Stumb, E., Jun 10 2002, In : Applied Physics Letters. 80, 23, p. 4425-4427 3 p.

Research output: Contribution to journalArticle

interfacial tension
fluids
thin films
block copolymers
sinks
2001
26 Citations (Scopus)

A direct correlation function for mesomorphic polymers and its application to the 'smectic' phase of isotactic polpropylene

Cohen, Y. & Saraf, R. F., Mar 30 2001, In : Polymer. 42, 13, p. 5865-5870 6 p.

Research output: Contribution to journalArticle

Polymers
Polypropylenes
Liquids
Diffraction patterns
Molecules
1998
5 Citations (Scopus)

Surface-influenced phase separation in organic thin films on drying

Saraf, R. F., Ostrander, S. & Feenstra, R. M., Jan 20 1998, In : Langmuir. 14, 2, p. 483-489 7 p.

Research output: Contribution to journalArticle

Phase separation
drying
Drying
Polymers
Thin films
1997
26 Citations (Scopus)
Polyimides
Curing
Processing
Film thickness
Textures
10 Citations (Scopus)

Effect of surface-influenced order on thermal expansivity of polymer thin films

Thompson, C., Saraf, R. F. & Jordan-Sweet, J. L., Dec 24 1997, In : Langmuir. 13, 26, p. 7135-7140 6 p.

Research output: Contribution to journalArticle

Polymer films
Thin films
polymers
coefficients
thin films
1996
2 Citations (Scopus)

Big blue goes green

Shaw, J. M., Buchwalter, S. L., Hedrick, J. C., Kang, S. K., Kosbar, L. L., Gelorme, J. D., Lewis, D. A., Purushothaman, S., Saraf, R. & Viehbeck, A., Nov 1 1996, In : Printed Circuit Fabrication. 19, 11

Research output: Contribution to journalArticle

Printed circuit boards
Soldering alloys
Environmental impact
Resins
Lead