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Joseph Maria Kumar Irudayaraj

1985 …2019
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Research Output 1985 2019

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Article
2012

Multifunctional gold nanorod theragnostics probed by multi-photon imaging

Book Newell, B., Wang, Y. & Irudayaraj, J., Feb 1 2012, In : European Journal of Medicinal Chemistry. 48, p. 330-337 8 p.

Research output: Contribution to journal › Article

Nanotubes
Nanorods
Photons
Gold
Imaging techniques

Opto-electrokinetic manipulation for high-performance on-chip bioassays

Kwon, J. S., Ravindranath, S. P., Kumar, A., Irudayaraj, J. M. K. & Wereley, S. T., Dec 7 2012, In : Lab on a Chip. 12, 23, p. 4955-4959 5 p.

Research output: Contribution to journal › Article

Bioassay
Biological Assay
Microorganisms
Biocompatibility
Agglomeration

Single-molecule tools elucidate H2A.Z nucleosome composition

Chen, J., Miller, A., Kirchmaier, A. L. & Irudayaraj, J. M. K., Jun 15 2012, In : Journal of cell science. 125, 12, p. 2954-2964 11 p.

Research output: Contribution to journal › Article

Nucleosomes
Epigenomics
Chromatin
Yeasts
Optical Imaging

Surface enhanced Raman spectroscopy (SERS) for the discrimination of Arthrobacter strains based on variations in cell surface composition

Stephen, K. E., Homrighausen, D., Depalma, G., Nakatsu, C. H. & Irudayaraj, J. M. K., Sep 21 2012, In : Analyst. 137, 18, p. 4280-4286 7 p.

Research output: Contribution to journal › Article

Arthrobacter
Raman Spectrum Analysis
Raman spectroscopy
Surface structure
Chromates
2011

A SERS DNAzyme biosensor for lead ion detection

Wang, Y. & Irudayaraj, J., Apr 26 2011, In : Chemical Communications. 47, 15, p. 4394-4396 3 p.

Research output: Contribution to journal › Article

Catalytic DNA
Biosensors
Lead
Ions
Nanoprobes

DNA-gold nanoparticle reversible networks grown on cell surface marker sites: Application in diagnostics

Lee, K., Drachev, V. P. & Irudayaraj, J. M. K., Mar 22 2011, In : ACS Nano. 5, 3, p. 2109-2117 9 p.

Research output: Contribution to journal › Article

Gold
markers
DNA
deoxyribonucleic acid
gold

Fluorescent Ag clusters via a protein-directed approach as a Hg(II) ion sensor

Guo, C. & Irudayaraj, J., Apr 15 2011, In : Analytical chemistry. 83, 8, p. 2883-2889 7 p.

Research output: Contribution to journal › Article

Excipients
Ions
Bovine Serum Albumin
Sensors
Proteins

Innovative Composite Films of Chitosan, Methylcellulose, and Nanoparticles

Mura, S., Corrias, F., Stara, G., Piccinini, M., Secchi, N., Marongiu, D., Innocenzi, P., Irudayaraj, J. & Greppi, G. F., Sep 1 2011, In : Journal of food science. 76, 7, p. N54-N60

Research output: Contribution to journal › Article

methylcellulose
Methylcellulose
composite materials
Chitosan
nanoparticles

Nuclear targeting dynamics of gold nanoclusters for enhanced therapy of HER2 + breast cancer

Wang, Y., Chen, J. & Irudayaraj, J., Dec 27 2011, In : ACS Nano. 5, 12, p. 9718-9725 8 p.

Research output: Contribution to journal › Article

Nanoclusters
Diffusers (optical)
nanoclusters
breast
Gold

Protein-directed reduction of graphene oxide and intracellular imaging

Guo, C., Book-Newell, B. & Irudayaraj, J., Dec 21 2011, In : Chemical Communications. 47, 47, p. 12658-12660 3 p.

Research output: Contribution to journal › Article

Graphite
Oxides
Graphene
Proteins
Imaging techniques

Raman chemical imaging of chromate reduction sites in a single bacterium using intracellularly grown gold nanoislands

Ravindranath, S. P., Henne, K. L., Thompson, D. K. & Irudayaraj, J., Jun 28 2011, In : ACS Nano. 5, 6, p. 4729-4736 8 p.

Research output: Contribution to journal › Article

Chromates
chromates
Gold
bacteria
Bacteria

Separation and detection of multiple pathogens in a food matrix by magnetic SERS nanoprobes

Wang, Y., Ravindranath, S. & Irudayaraj, J. M. K., Jan 1 2011, In : Analytical and bioanalytical chemistry. 399, 3, p. 1271-1278 8 p.

Research output: Contribution to journal › Article

Nanoprobes
Raman Spectrum Analysis
Pathogens
Raman scattering
Food

SERS driven cross-platform based multiplex pathogen detection

Ravindranath, S. P., Wang, Y. & Irudayaraj, J., Mar 1 2011, In : Sensors and Actuators, B: Chemical. 152, 2, p. 183-190 8 p.

Research output: Contribution to journal › Article

pathogens
Pathogens
Escherichia coli
platforms
Salmonella

Single molecule In Vivo analysis of toll-like receptor 9 and CpG DNA interaction

Chen, J., Nag, S., Vidi, P. A. & Irudayaraj, J., Apr 11 2011, In : PloS one. 6, 4, e17991.

Research output: Contribution to journal › Article

Toll-Like Receptor 9
Molecules
DNA
Fluorescence
Chemical activation

Surface-enhanced Raman imaging of intracellular bioreduction of chromate in Shewanella oneidensis

Ravindranath, S. P., Henne, K. L., Thompson, D. K. & Irudayaraj, J., Mar 7 2011, In : PloS one. 6, 2, e16634.

Research output: Contribution to journal › Article

Shewanella oneidensis
Shewanella
Chromates
image analysis
Imaging techniques
2010

Au nanoparticles on graphitic petal arrays for surface-enhanced Raman spectroscopy

Rout, C. S., Kumar, A., Xiong, G., Irudayaraj, J. & Fisher, T. S., Sep 27 2010, In : Applied Physics Letters. 97, 13, 133108.

Research output: Contribution to journal › Article

petals
Raman spectroscopy
nanoparticles
Raman spectra
oxygen plasma

Biocompatibility and biodistribution of surface-enhanced raman scattering nanoprobes in zebrafish embryos: In vivo and multiplex imaging

Wang, Y., Seebald, J. L., Szeto, D. P. & Irudayaraj, J., Jul 27 2010, In : ACS Nano. 4, 7, p. 4039-4053 15 p.

Research output: Contribution to journal › Article

Nanoprobes
embryos
biocompatibility
Biocompatibility
Raman scattering

Detection and differentiation of live and heat-treated Salmonella enterica serovars inoculated onto chicken breast using Fourier transform infrared (FT-IR) spectroscopy

Davis, R., Burgula, Y., Deering, A., Irudayaraj, J., Reuhs, B. L. & Mauer, L. J., Dec 1 2010, In : Journal of Applied Microbiology. 109, 6, p. 2019-2031 13 p.

Research output: Contribution to journal › Article

Salmonella enterica
Fourier Analysis
Fourier Transform Infrared Spectroscopy
Chickens
Breast

Detection of E. coli O157:H7 from ground beef using fourier transform infrared (FT-IR) spectroscopy and chemometrics

Davis, R., Irudayaraj, J. M. K., Reuhs, B. L. & Mauer, L. J., Aug 1 2010, In : Journal of food science. 75, 6

Research output: Contribution to journal › Article

Escherichia coli O157
ground beef
chemometrics
Fourier transform infrared spectroscopy
Fourier Analysis

Fluorescence lifetime cross correlation spectroscopy resolves EGFR and antagonist interaction in live cells

Chen, J. & Irudayaraj, J. M. K., Aug 1 2010, In : Analytical chemistry. 82, 15, p. 6415-6421 7 p.

Research output: Contribution to journal › Article

Epidermal Growth Factor Receptor
Fluorescence
Spectroscopy
Neutralizing Antibodies
Imaging techniques

Measurement of the attachment and assembly of small amyloid-β oligomers on live cell membranes at physiological concentrations using single-molecule tools

Nag, S., Chen, J., Irudayaraj, J. M. K. & Maiti, S., Jan 1 2010, In : Biophysical journal. 99, 6, p. 1969-1975 7 p.

Research output: Contribution to journal › Article

Amyloid
Cell Membrane
Membranes
PC12 Cells
Cultured Cells

Microscopic and spectroscopic evaluation of inactivation of staphylococcus aureus by pulsed UV light and infrared heating

Krishnamurthy, K., Tewari, J. C., Irudayaraj, J. & Demirci, A., Jan 1 2010, In : Food and Bioprocess Technology. 3, 1, p. 93-104 12 p.

Research output: Contribution to journal › Article

Infrared heating
Ultraviolet Rays
Ultraviolet radiation
Heating
ultraviolet radiation

Multifunctional magnetic-optical nanoparticle probes for simultaneous detection, separation, and thermal ablation of multiple pathogens

Wang, C. & Irudayaraj, J., Jan 18 2010, In : Small. 6, 2, p. 283-289 7 p.

Research output: Contribution to journal › Article

Pathogens
Ablation
Nanoparticles
Nanotubes
Hot Temperature

Proliferating Cell Nuclear Antigen (PCNA) is required for cell cycle-regulated silent chromatin on replicated and nonreplicated genes

Miller, A., Chen, J., Takasuka, T. E., Jacobi, J. L., Kaufman, P. D., Irudayaraj, J. M. K. & Kirchmaier, A. L., Nov 5 2010, In : Journal of Biological Chemistry. 285, 45, p. 35142-35154 13 p.

Research output: Contribution to journal › Article

Proliferating Cell Nuclear Antigen
Histone Code
DNA Replication
Chromatin
Cell Cycle

SERS aptasensor from nanorod-nanoparticle junction for protein detection

Wang, Y., Lee, K. & Irudayaraj, J., Feb 1 2010, In : Chemical Communications. 46, 4, p. 613-615 3 p.

Research output: Contribution to journal › Article

Nanorods
Nanoparticles
Proteins
Electromagnetic coupling
Thrombin

Silver nanosphere SERS probes for sensitive identification of pathogens

Wang, Y., Lee, K. & Irudayaraj, J., Oct 7 2010, In : Journal of Physical Chemistry C. 114, 39, p. 16122-16128 7 p.

Research output: Contribution to journal › Article

pathogens
Nanospheres
Pathogens
Silver
Raman scattering
2009

Biofunctionalized magnetic nanoparticle integrated mid-infrared pathogen sensor for food matrixes

Ravindranath, S. P., Mauer, L. J., Deb-Roy, C. & Irudayaraj, J. M. K., Apr 15 2009, In : Analytical chemistry. 81, 8, p. 2840-2846 7 p.

Research output: Contribution to journal › Article

Infrared spectrometers
Pathogens
Escherichia coli
Nanoparticles
Infrared radiation

Gold Nanorod/Fe3O4 nanoparticle "nano-pearl- necklaces" for simultaneous targeting, dual-mode imaging, and photothermal ablation of cancer cells

Wang, C., Chen, J., Talavage, T. & Irudayaraj, J., Mar 30 2009, In : Angewandte Chemie - International Edition. 48, 15, p. 2759-2763 5 p.

Research output: Contribution to journal › Article

Ablation
Nanorods
Gold
Cells
Nanoparticles

Modelling and characterisation of surface plasmon based sensors for the detection of E. coli

Rajarajan, M., Dar, T., Themistos, C., Rahman, B. M. A., Grattan, K. T. V., Homola, J. & Irudayaraj, J. M. K., Feb 1 2009, In : Journal of Modern Optics. 56, 4, p. 564-571 8 p.

Research output: Contribution to journal › Article

sensors
fiber optics
finite element method
penetration
refractivity

PCR-free quantification of multiple splice variants in a cancer gene by surface-enhanced raman spectroscopy

Sun, L. & Irudayaraj, J., Oct 22 2009, In : Journal of Physical Chemistry B. 113, 42, p. 14021-14025 5 p.

Research output: Contribution to journal › Article

oncogenes
Raman Spectrum Analysis
Neoplasm Genes
Raman spectroscopy
Genes

Periodic and dynamic 3-D gold nanoparticle - DNA network structures for surface-enhanced raman spectroscopy-based quantification

Lee, K. & Irudayaraj, J., Apr 16 2009, In : Journal of Physical Chemistry C. 113, 15, p. 5980-5983 4 p.

Research output: Contribution to journal › Article

rhodamine B
Gold
Raman spectroscopy
DNA
deoxyribonucleic acid

Quantitative investigation of compartmentalized dynamics of ErbB2 targeting gold nanorods in live cells by single molecule spectroscopy

Chen, J. & Irudayaraj, J. M. K., Dec 22 2009, In : ACS Nano. 3, 12, p. 4071-4079 9 p.

Research output: Contribution to journal › Article

Nanorods
Gold
nanorods
Spectroscopy
gold

Quantitative surface-enhanced Raman for gene expression estimation

Sun, L. & Irudayaraj, J., Jan 1 2009, In : Biophysical journal. 96, 11, p. 4709-4716 8 p.

Research output: Contribution to journal › Article

Raman Spectrum Analysis
Gene Expression
Neoplasm Genes
Alternative Splicing
Digestion

Receptor overexpression or inhibition alters cell surface dynamics of EGF-EGFR interaction: New insights from real-time single molecule analysis

Yu, C., Hale, J., Ritchie, K., Prasad, N. K. & Irudayaraj, J., Jan 16 2009, In : Biochemical and Biophysical Research Communications. 378, 3, p. 376-382 7 p.

Research output: Contribution to journal › Article

Epidermal Growth Factor Receptor
Epidermal Growth Factor
Molecules
Dimers
Kinetics

SERS in salt wells

PavanKumar, G. V. & Lrudayaraj, J., Oct 19 2009, In : ChemPhysChem. 10, 15, p. 2670-2673 4 p.

Research output: Contribution to journal › Article

Raman scattering
Salts
Raman spectra
salts
rhodamine B

Ultrasensitive protein detection in blood serum using gold nanoparticle probes by single molecule spectroscopy

Chen, J., Wang, C. & Irudayaraj, J., Dec 1 2009, In : Journal of biomedical optics. 14, 4, 040501.

Research output: Contribution to journal › Article

blood serum
Gold
Blood
Spectroscopy
gold
2008

Adenosine A2A receptors assemble into higher-order oligomers at the plasma membrane

Vidi, P. A., Chen, J., Irudayaraj, J. M. K. & Watts, V. J., Dec 10 2008, In : FEBS Letters. 582, 29, p. 3985-3990 6 p.

Research output: Contribution to journal › Article

Adenosine A2A Receptors
Cell membranes
Oligomers
G-Protein-Coupled Receptors
Fluorescence

Carboxyl-coated magnetic nanoparticles for mRNA isolation and extraction of supercoiled plasmid DNA

Sarkar, T. R. & Irudayaraj, J. M. K., Aug 1 2008, In : Analytical Biochemistry. 379, 1, p. 130-132 3 p.

Research output: Contribution to journal › Article

Superhelical DNA
Nanoparticles
Plasmids
Sepharose
Messenger RNA

Detection and fingerprinting of pathogens: Mid-IR biosensor using amorphous chalcogenide films

Ganjoo, A., Jain, H., Yu, C., Irudayaraj, J. & Pantano, C. G., May 1 2008, In : Journal of Non-Crystalline Solids. 354, 19-25, p. 2757-2762 6 p.

Research output: Contribution to journal › Article

pathogens
Pathogens
Amorphous films
bioinstrumentation
Biosensors

Efficacy of infrared heat treatment for inactivation of staphylococcus aureus in milk

Krishnamurthy, K., Jun, S., Irudayaraj, J. & Demirci, A., Dec 1 2008, In : Journal of Food Process Engineering. 31, 6, p. 798-816 19 p.

Research output: Contribution to journal › Article

Infrared heating
Heating
Staphylococcus aureus
inactivation
Milk

Gold nanorod probes for the detection of multiple pathogens

Wang, C. & Irudayaraj, J., Dec 1 2008, In : Small. 4, 12, p. 2204-2208 5 p.

Research output: Contribution to journal › Article

Nanotubes
Pathogens
Nanorods
Gold
Escherichia coli

Inactivation of Staphylococcus aureus in milk and milk foam by pulsed UV-light treatment and surface response modeling

Krishnamurthy, K., Demirci, A. & Irudayaraj, J., Dec 1 2008, In : Transactions of the ASABE. 51, 6, p. 2083-2090 8 p.

Research output: Contribution to journal › Article

Ultraviolet Rays
foams
foam
Ultraviolet radiation
milk

Infrared heating in food processing: An overview

Krishnamurthy, K., Khurana, H. K., Soojin, J., Irudayaraj, J. & Demirci, A., Jan 1 2008, In : Comprehensive Reviews in Food Science and Food Safety. 7, 1, p. 2-13 12 p.

Research output: Contribution to journal › Article

Food Handling
food processing
Heating
heat
infrared radiation

Intracellular quantification by surface enhanced Raman spectroscopy

Shamsaie, A., Heim, J., Yanik, A. A. & Irudayaraj, J., Aug 8 2008, In : Chemical Physics Letters. 461, 1-3, p. 131-135 5 p.

Research output: Contribution to journal › Article

Raman spectroscopy
Nanoparticles
nanoparticles
Cells
Dinitrophenols

Nanoantenna array-induced fluorescence enhancement and reduced lifetimes

Bakker, R. M., Drachev, V. P., Liu, Z., Yuan, H. K., Pedersen, R. H., Boltasseva, A., Chen, J., Irudayaraj, J., Kildishev, A. V. & Shalaev, V. M., Dec 16 2008, In : New Journal of Physics. 10, 125022.

Research output: Contribution to journal › Article

dyes
life (durability)
fluorescence
augmentation
rhodamine

Raman multiplexers for alternative gene splicing

Sun, L., Yu, C. & Irudayaraj, J., May 1 2008, In : Analytical chemistry. 80, 9, p. 3342-3349 8 p.

Research output: Contribution to journal › Article

Exons
Genes
Labels
Raman scattering
DNA sequences

Study of binding and denaturation dynamics of IgG and anti-IgG using dual color fluorescence correlation spectroscopy

Varghese, L. T., Sinha, R. K. & Irudayaraj, J., Sep 5 2008, In : Analytica Chimica Acta. 625, 1, p. 103-109 7 p.

Research output: Contribution to journal › Article

Immunoglobulin Fab Fragments
Denaturation
Fluorescence Spectrometry
urea
Urea
2007

An on-line approach to monitor ethanol fermentation using FTIR spectroscopy

Veale, E. L., Irudayaraj, J. & Demirci, A., Mar 1 2007, In : Biotechnology Progress. 23, 2, p. 494-500 7 p.

Research output: Contribution to journal › Article

ethanol fermentation
Fourier transform infrared spectroscopy
Fourier Transform Infrared Spectroscopy
Fermentation
Ethanol

Aptamer-mediated magnetic and gold-coated magnetic nanoparticles as detection assay for prion protein assessment

Kouassi, G. K., Wang, P., Sreevatan, S. & Irudayaraj, J. M. K., Sep 1 2007, In : Biotechnology Progress. 23, 5, p. 1239-1244 6 p.

Research output: Contribution to journal › Article

Prions
Gold
Nanoparticles
Streptavidin
Fourier Transform Infrared Spectroscopy

Detection of apple deterioration using an electronic nose and zNose™

Li, C., Heinemann, P. H. & Irudayaraj, J., Jul 1 2007, In : Transactions of the ASABE. 50, 4, p. 1417-1425 9 p.

Research output: Contribution to journal › Article

Electronic Nose
electronic nose
Malus
Discriminant analysis
discriminant analysis