2010

Activation of fluorescent protein chromophores by encapsulation.
A. Baldridge, S. R. Samanta, N. Jayaraj, V. Ramamurthy and L. M. Tolbert, J. Am. Chem. Soc., 2010, 132, 1498.

Guest rotations within a capsuleplex probed by NMR and EPR techniques.
R. Kulasekharan, N. Jayaraj, M. Porel, R. Choudhury, A. K. Sundaresan, A. Parthasarathy, M. F. Ottaviani, S. Jockusch, N. J. Turro and V. Ramamurthy, Langmuir, 2010, 26, 6943.

A Time-resolved EPR Study of Electron Spin Polarization Transfer from a Nitroxide Incarcerated within a Nanocapsule to a Nitroxide in the Bulk Aqueous Solution.
S. Jockusch, O. Zeika, N. Jayaraj, V. Ramamurthy, N. J. Turro,  J. Phys. Chem. Letters, 2010, 1, 2628-2632.

Closed nanocontainer enables thioketones to phosphoresce at room temperature in aqueous solution.
N. Jayaraj, M. V. S. N. Maddipatla, R. Prabhakar, S. Jockusch, N. J. Turro and V. Ramamurthy, J. Phys. Chem. B, 2010, 114, 14320.

Thiourea as a Template for Photodimerization of Azastilbenes.
B. R. Bhogala, B. Captain, A, Parthasarathy and V. Ramamurthy, J. Am. Chem. Soc., 2010, 132, 13434-13442.

Suppression of spin-spin coupling in nitroxyl biradicals by supramolecular host-guest interactions.
M. Porel, M. F. Ottaviani, S. Jockusch, N. Jayaraj, N. J. Turro and V. Ramamurthy, Chem. Comm. 2010, 7736-7738.

Chemistry in Confined Spaces: High Energy Conformer of a Piperidine Derivative is Favored Within a Water-soluble Capsuleplex.
M. Porel, N. Jayaraj, S. Raghothama and V. Ramamurthy, Organic Letters, 2010, 12, 4544.

Modern  Molecular Photochemistry of Organic Molecules, N. J. Turro, V. Ramamurthy and J. C. Scaiano, University Science Books: Sausalito, CA, 2010.

 2009

Cavitand Octa Acid Forms a Non-Polar Capsuleplex Dependent on the Molecular Size and Hydrophobicity of the Guest.
Mintu Porel, Nithyanandhan Jayaraj, Sireesha L. Kaanumalle, Murthy V. S. N. Maddipatla, Anand Parthasarathy and V. Ramamurthy, Langmuir, 2009, 25, 3473-3481.

Chiral Photochemistry within a Confined Space:  Diastereoselective Photorearrangements of a Tropolone and a Cyclohexadienone Included in a Synthetic Cavitand.
Arun Kumar Sundaresan, Lakshmi S. Kaanumalle,  Corinne L. D. Gibb, Bruce C. Gibb, and V. Ramamurthy, Dalton Transactions, (Special issue on Supramolecular Photochemistry), 2009, 4003-4011.

Chiral Photochemistry in a Confined Space:  Torquoselective Photoelectrocyclization of Pyridones within an Achiral Hydrophobic Capsule.
Arun Kumar Sundaresan, C. L. D. Gibb, B. C. Gibb and V. Ramamurthy, Tetrahedron (Special issue on Container Compounds), 2009, 65, 7277-7288.

Sulfonatocalix[8]arene as a Potential Reaction Cavity: Photo- and Electro-active Dicationic Guests Arrest Conformational Equilibrium.
Kaliappan, Raja; Ling, Yonghua; Kaifer, Angel E.; Ramamurthy, V. Langmuir, 2009, 25, 8982–8992

Controlling photoreactions with confinement: Photochemistry of benzoin alkyl ethers within water soluble p-sulfonato calix[n]arenes.
Raja Kaliaapan and V. Ramamurthy, J. Photochem. Photobiology A (Inoue special issue), 2009, 207, 32-37.

Chiral Photochemistry within Natural and Functionalized Cyclodextrins:  Chiral Induction in Photocyclization Products from Carbonyl Compounds.
Raja Kaliappan and V. Ramamurthy, J. Photochem. Photobiology A (Inoue special issue), 2009, 207, 144-152.

Nature of Supramolecular Complexes Controlled by Structure of the Guest Molecules: Formation of Octa-acid Based Based Capsuleplex and Cavitandplex.
N. Jayaraj, Y. Zhao, A. Parthasarathy, M. Porel, R. S. H. Liu and V. Ramamurthy, Langmuir, 2009, 25, 10575-10586.

Self Aggregation of Supramolecules of Cucurbit[8]uril and Nitroxides Revealed by EPR Spectra.
N. Jayaraj, M. Porel,  M. F. Ottaviani, M. V. S. N. Maddipatla, A. Modelli, J. P. Da Silva, B. R. Bhogala, B. Captain, S. Jockusch, N. J. Turro and V. Ramamurthy, Langmuir, 2009, 25, 13820-13832.

Principles of Molecular Photochemistry: An Introduction, N. J. Turro, V. Ramamurthy and J. C. Scaiano, University Science Books: Sausalito, CA, 2008.

2008

Templation of the Excited State Chemistry of a-(n-alkyl)-dibenzylketones: How Guest Packing within a Nanoscale Supramolecular Capsule influences Photochemistry.
C. L. D. Gibb,  Arun Kumar Sundaresan, V. Ramamurthy and Bruce C. Gibb, J. Am. Chem. Soc., 2008, 130, 4069.

An EPR and NMR study of supramolecular effects on paramagnetic interaction between a nitroxide incarcerated within a nanocapsule with a nitroxide in bulk aqueous phase.
J. Y. -. Chen, N. Jayaraj, S. Jockusch, M. F. Ottaviani, V. Ramamurthy and N. J. Turro, J. Am. Chem. Soc., 2008, 130, 7206-7207.

Consequences of Controlling Free Space Within a Reaction Cavity With a Remote Alkyl Group: Photochemistry of para-Alkyl Dibenzyl Ketones Within an Organic Capsule in Water.
Arun Kumar Sundaresan, V. Ramamurthy, Photochem. Photobiol. Sci., (Turro special issue), 2008, 7, 1555-1564.

Turro the researcher, mentor and teacher.
Ramamurthy, V.    Photochemical & Photobiological Sciences  2008,  7,  1441-1443.

Photochemistry and Photobiological Sciences (RSC publication), Special Issue dedicated to Professor N. J. Turro, December 2008, Guest Editor, V. Ramamurthy.

2007

A Styrene Based Water Soluble Polymer as a Reaction Medium for Photodimerization of Aromatic Hydrocarbons in Water.
S. Arumugam, Dharma Rao Vutukuri, S. Thayumanavan and V.  Ramamurthy, J. Photochem. Photobiol. A, 2007, 185, 168-171.

A Latent Photoreaction Enhanced Upon Cyclodextrin Encapsulation:  Photochemistry of a-Alkyl dibenzyl ketones in Water.
S. Arumugam, L. S. Kaanumalle and V.  Ramamurthy, J. Photochem. Photobiol. A, 2007, 185, 364-370.

Photo-Fries Reaction in Water Made Selective With a Capsule.
L. S. Kaanumalle, C. L. D. Gibb, B. Gibb and V. Ramamurthy, Org. Biomol. Chem., 2007, 5, 236 - 238

Templating Photodimerization of trans-Cinnamic Acid Esters with a Water Soluble Pd-nanocage.
S. Karthikeyan and V. Ramamurthy, J. Org. Chem., 2007, 72, 452-458.

Photodimerization of Acenaphthylene Within a Nanocapsule: Excited state lifetime dependent dimer selectivity.
L. S. Kaanumalle and V. Ramamurthy, Chem. Commun., 2007, 1062-1064.

Controlling Photoreactions with Restricted Spaces and Weak Intermolecular Forces:  Exquisite Selectivity during Oxidation of Olefins by Singlet Oxygen.
A. Natarajan, L. S. Kaanumalle, S. Jockusch, C. L. D. Gibb, B. C. Gibb, N. J. Turro, and V. Ramamurthy, J. Am. Chem. Soc., 2007, 129, 4132-4133.

Value of Zeolites In Asymmetric Induction During Photocyclization of Pyridones, Cyclohexadienones and Naphthalenones.
.K. Sivasubramanian, L. S. Kaanumalle, S. Uppili and V. Ramamurthy, Org. Biomol. Chem., 2007, 5, 1569 - 1576.

Pre-orientation of olefins towards a single photo-dimer: Cucurbituril mediated photodimerization of protonated azastilbenes in water.
M. V. S. N. Maddipatla, L. S. Kaanumalle, A. Natarajan, M. Pattabiraman and V. Ramamurthy, Langmuir, 2007, 23, 7545-7554.

Reaction Cavity Features Affect Photoproduct Selectivity:  Photodimerization of Stilbazolium Salts within g-Cyclodextrin and Cucurbituril[8].
R. Kaliappan, Murthy V. S. N. Maddipatla, L. S. Kaanumalle and V. Ramamurthy, Photochem. Photobiol. Sci., 2007, 6, 737-740.

Making a difference on excited state chemistry by controlling free space within a nanocapsule: Photochemistry of 1-(4-alkylphenyl)-3-phenylpropan-2-ones.
Arun Kumar Sundaresan and V. Ramamurthy, Organic Letters, 2007, 9, 35745-3578.
             
Controlling Photochemical Geometric Isomerization of a Stilbene and Dimerization of a Styrene Using a Confined Reaction Cavity in Water.
A. Parthasarathy, L. S. Kaanumalle and V. Ramamurthy, Organic Letters, 2007, 9, 5059-5062.
             
2006

Volume-demanding cis-trans isomerization of 1,2-diaryl olefins in the solid-state.
A. Natarajan, J. T. Mague, K. Venkatesan, T. Arai and V. Ramamurthy, J. Org. Chem., 2006, 71, 1055-1059.

Photoproducts Selectivity in Reactions involving Singlet and Triplet Excited States within Bile Salt Micelles.
M. Pattabiraman, L. S. Kaanumalle and V. Ramamurthy, Langmuir, 2006, 22, 2185-2192.
 
Alkali Ion Exchanged Nafion as a Confining Medium for Photochemical Reactions.
S. Arumugam, L. S.  Kaanumalle and V.  Ramamurthy, Photochem. Photobiol., 2006, 82, 139-145.

Control of Chirality By Cations In Confined Spaces: Photooxidation of Enecarbamates Inside Zeolite Supercages.
J. Sivaguru, H. Saito, M. R Solomon, L. S Kaanumalle, T. Poon, S. Jockusch, W. Adam, V. Ramamurthy, Y. Inoue, and N. J. Turro, Photochem. Photobiol., 2006, 82, 123-131.

Asymmetric Induction During Electron Transfer Mediated Photoreduction of Carbonyl Compounds: Role of Zeolites.
J. Shailaja, L. S. Kaanumalle, K. Sivasubramanian, A. Natarajan, K. J. Ponchot, A. Pradhan and V. Ramamurthy, Org. Biomol. Chem., 2006, 4, 1561-1571.

Effective Asymmetric Induction on 2-indanols During d-hydrogen Abstraction of Photoexcited a-mesitylacetophenones Within Zeolites Compared to Crystalline State.
A. Natarajan, J. T. Mague and V. Ramamurthy, Mol. Cryst. Liq. Cryst. 2006, 456, 71-83.

Bioinspired-Green-Supramolecular-Nano Photochemistry: Photoproducts Control Through Weak Intermolecular Forces.
L. S. Kaanumalle, A. Natarajan, K. Sivasubramanian, R. Kaliappan, M. Pattabiraman and V. Ramamurthy, Spectrum, 2006, 19, 16-21.

Templating Photodimerization of Stilbazoles With Water-soluble Calixarenes.
R. Kaliappan, L. S. Kaanumalle, A. Natarajan, and V. Ramamurthy, Photochem. Photobiol. Sci., 2006, 5, 925 - 930.

Templating Photodimerization of Coumarins Within Water Soluble Nano Reaction-Vessels.
S. Karthikeyan and V. Ramamurthy, J. Org. Chem., 2006, 71, 6409-6413.

Regioselective Photodimerization of Cinnamic Acids In Water:  Templation with Cucurbiturils.
M. Pattabiraman, L. S. Kaanumalle, A. Natarajan and V. Ramamurthy, Langmuir, 2006, 22, 7605-7609.

Asymmetric induction during photocyclization of chiral and achiral a-oxoamides within achiral zeolites.
Natarajan and V. Ramamurthy, Org. Biomol. Chem., 2006, 4, 4533-4542.

Molecular and Supramolecular Photochemistry, Volume 14, Organic Photochemistry and Photophysics, Editors, V. Ramamurthy and K. Schanze, Taylor and Francis: Boca Raton, 2006.

2005

Mechanism of Photoisomerization of Optically Pure trans-2,3-Diphenylcyclopropane-1-Carboxylic Acid Derivatives.
J. Sivaguru, T. Wada, Y. Origane, Y. Inoue and V. Ramamurthy, Photochem. Photobio. Sci., 2005, 4, 119-127.

Templating Photodimerizatio of trans-Cinnamic acids with Cucurbit[8]uril.
M. Pattabiraman,  A. Natarajan, L. S. Kaanumalle and V. Ramamurthy, Organic Letters, 2005, 7, 529-532.

Asymmetric Induction During Yang Cyclization of a-Oxoamides: Power of a Covalently Linked Chiral Auxiliary is Enhanced in the Crystalline State.
N. Arunkumar, J. T. Mague and V. Ramamurthy, J. Am. Chem. Soc., 2005, 127, 3568-3576.
             
A Hydrophobic Nano-Capsule Controls the Photophysics of Aromatic Molecules By Suppressing their Favored Solution Pathways.
L. S. Kaanumalle, C. L. D. Gibb, B. C. Gibb, V. Ramamurthy, J. Am. Chem. Soc., 2005, 127, 3674-3675.

Direct Measurement of the Singlet Oxygen Lifetime in Zeolites by Near-IR Phosphorescence.
S. Jockusch, J. Sivaguru, N. J. Turro and V. Ramamurthy, Photochem. Photobio. Sci., 2005, 4, 403-405.

Solvent-Free Photosynthesis of Cyclobutanes: Photodimerization of Crystalline Olefins.
Arunkumar Natarajan and V. Ramamurthy, in ‘The Chemistry of Cyclobutanes’,  Z. Rappoport and J. F. Liebman (Eds.,), John Wiley: Chichester, 2005, pp. 807-872.

Self-Assembled Coordination Cage as a Reaction Vessel – Triplet Sensitized [2+2] Photodimerization of Acenaphthylene, and [4+4] Photodimerization of 9-Anthraldehyde.
S. Karthikeyan and V. Ramamurthy, Tetrahedron Letters, 2005, 46, 4495-4498.

Large molecular motions are tolerated in crystals of diamine double salt of trans-chlorocinnamic acids with trans-1,2-diaminocyclohexane.
A. Natarajan, J. T. Mague, K. Venkatesan and V. Ramamurthy, Organic Letters, 2005, 7, 1895-1898.

Dendrimers as Photochemical Reaction Media.  Photochemical Behavior of Unimolecular and Bimolecular Reactions in Water-Soluble Dendrimers.
L. S. Kaanumalle, R. Ramesh, V. S. N. M. Maddipatla, J. Nithyanandhan, N. Jayaraman and V. Ramamurthy, J. Org. Chem., 2005, 70, 5062-5069.

Role of Cations and Confinement in Asymmetric Photochemistry: Enantio and Diastereoselective Photocyclization of Tropolone Derivatives within Zeolites.
A. Joy, L. S. Kaanumalle and V. Ramamurthy, Org. Biomol. Chem., 2005, 3, 3045 - 3053.

A latent photoreaction becomes important within water soluble calixarenes: Photochemistry of benzoin alkyl ethers.
R. Kaliappan, L. S. Kaanumalle and V. Ramamurthy, Chem. Commun. 2005, 4056-4058.

Template directed photodimerization of trans 1,2-bis(n-pyridyl)ethylenes and stilbazoles in water.
M. Pattabiraman, A. Natarajan, J. T. Mague and V. Ramamurthy, Chem. Commun. 2005, 4542-4544.

Amphiphilic Homopolymer as Reaction Medium in Water: Product Selectivity Within Polymeric Nanopockets.
S. Arumugam D. R. Vutukuri,  S.  Thayumanavan and V.  Ramamurthy, J. Am. Chem. Soc., 2005, 127, 13200.

The Viability of a Covalent Chiral Auxiliary Method to Induce Asymmetric Induction in Solid State Photoreactions Explored.
A. Natarajan, J. T. Mague and V. Ramamurthy, Crystal Growth, 2005, 5, 2348.

2004

Manipulating Photochemical Reactions
N. Arunkumar, L. S. Kaanumalle and V. Ramamurthy, CRC Handbook of Organic Photochemistry and Photobiology, 2nd Edition, W. Horspool and F. Lenci (Eds.), CRC Press: Boca Raton, 2004, pp. 107.1.

Medium Effects on Photochemical Processes: Organized and Confined Media.
L. S. Kaanumalle, A. Natarajan, and V. Ramamurthy, in Synthetic Organic Photochemistry, A. Griesbeck and J. Mattay (Eds.), Marcell Dekker: New York, 2004., pp. 551-616.

Chiral Photochemistry Within Zeolites.
V. Ramamurthy, J. Sivaguru, N. Arunkumar, L. S.  Kaanumalle, S. Karthikeyan, J. Shailaja and A. Joy, in Chiral Photochemistry, Y. Inoue and V. Ramamurthy (Eds.), Marcell Dekker: New York, 2004, pp. 563-633.

Enhanced Diastereoselectivity via Confinement: Photoisomerization of 2,3-Diphenylcyclopropane-1-carboxylic Acid Derivatives within Zeolites.
J. Sivaguru, R. B. Sunoj, T. Wada, Y. Origane, Y. Inoue and V. Ramamurthy, J. Org. Chem., 2004, 69, 6533-6547.

Enhanced Diastereoselectivity via Confinement: Photoisomerization of 2,3-Diphenyl-1-benzoylcyclopropane Derivatives Within Zeolites.
J. Sivaguru, R. B. Sunoj, T. Wada, Y. Origane, Y. Inoue and V. Ramamurthy, J. Org. Chem., 2004, 69, 5528-5536.

Water-Soluble Dendrimers as Photochemical Reaction Media:  Chemical Behavior of Singlet and Triplet Radical Pairs Inside Dendritic Reaction Cavities.
L. S. Kaanumalle, M. Pattabiraman, N. Jayaraman and V. Ramamurthy, J. Am. Chem. Soc., 2004, 126, 8999-9006.

Controlling Photochemistry With Distinct Hydrophobic Nano-Environments.
L. S. Kaanumalle, C. L. D. Gibb, B. C. Gibb and V. Ramamurthy, J. Am. Chem. Soc., 2004, 126, 14366-14367.