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D. Ramaiah · SciRah

Researcher profile · Semantic Scholar

D. Ramaiah

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D. Ramaiah — researcher profile on SciRah

h-index: 37
Works: 134
Citations: 4,570

Most-cited papers

Tuning photosensitized singlet oxygen generation efficiency of novel aza-BODIPY dyes.
Nagappanpillai Adarsh, R. R. Avirah, D. Ramaiah
2010Organic Letters336 citations Open access
Semantic Scholar
Site-selective binding and dual mode recognition of serum albumin by a squaraine dye.
Vadakkancheril S Jisha, Kalliat T. Arun, M. Hariharan, D. Ramaiah
2006Journal of the American Chemical Society254 citations
Semantic Scholar
A supramolecular ON-OFF-ON fluorescence assay for selective recognition of GTP.
P. P. Neelakandan, M. Hariharan, D. Ramaiah
2006Journal of the American Chemical Society176 citations
Semantic Scholar
Dual-mode semisquaraine-based sensor for selective detection of Hg2+ in a micellar medium.
R. R. Avirah, Kuthanapillil Jyothish, D. Ramaiah
2007Organic Letters157 citations
Semantic Scholar
Functional cyclophanes: promising hosts for optical biomolecular recognition.
D. Ramaiah, P. P. Neelakandan, A. Nair, R. R. Avirah
2010Chemical Society Reviews156 citations
Semantic Scholar
Aza-BODIPY derivatives: enhanced quantum yields of triplet excited states and the generation of singlet oxygen and their role as facile sustainable photooxygenation catalysts.
Nagappanpillai Adarsh, M. Shanmugasundaram, R. R. Avirah, D. Ramaiah
2012Chemistry154 citations
Semantic Scholar
Efficient reaction based colorimetric probe for sensitive detection, quantification, and on-site analysis of nitrite ions in natural water resources.
Nagappanpillai Adarsh, M. Shanmugasundaram, D. Ramaiah
2013Analytical Chemistry141 citations
Semantic Scholar
Fluorescence ratiometric selective recognition of Cu(2+) ions by dansyl-naphthalimide dyads.
Vadakkancheril S Jisha, AnuAlice Thomas, D. Ramaiah
2009Journal of Organic Chemistry134 citations
Semantic Scholar
Site-selective interactions: squaraine dye-serum albumin complexes with enhanced fluorescence and triplet yields.
Vadakkancheril S Jisha, Kalliat T. Arun, M. Hariharan, D. Ramaiah
2010Journal of Physical Chemistry B124 citations
Semantic Scholar
Meso-tetrakis(p-sulfonatophenyl)N-confused porphyrin tetrasodium salt: a potential sensitizer for photodynamic therapy.
Ajesh P. Thomas, P. S. Saneesh Babu, S. A. Nair, S. Ramakrishnan +4 more
2012Journal of Medicinal Chemistry120 citations
Semantic Scholar
Squaraine dyes in PDT: from basic design to in vivo demonstration.
R. R. Avirah, Dhanya T. Jayaram, Nagappanpillai Adarsh, D. Ramaiah
2012Organic and biomolecular chemistry119 citations
Semantic Scholar
DNA-assisted long-lived excimer formation in a cyclophane.
P. P. Neelakandan, D. Ramaiah
2008Angewandte Chemie105 citations
Semantic Scholar
Squaraine Dyes for Photodynamic Therapy: Mechanism of Cytotoxicity and DNA Damage Induced by Halogenated Squaraine Dyes Plus Light (>600 nm)¶
D. Ramaiah, I. Eckert, Kalliat T. Arun, L. Weidenfeller +1 more
2004Photochemistry and Photobiology99 citations
Semantic Scholar
Sensitive naked eye detection of hydrogen sulfide and nitric oxide by aza-BODIPY dyes in aqueous medium.
Nagappanpillai Adarsh, M. Krishnan, D. Ramaiah
2014Analytical Chemistry95 citations
Semantic Scholar
Squaraine Dyes for Photodynamic Therapy: Study of Their Cytotoxicity and Genotoxicity in Bacteria and Mammalian Cells¶,‡
D. Ramaiah, I. Eckert, Kalliat T. Arun, L. Weidenfeller +1 more
2002Photochemistry and Photobiology95 citations
Semantic Scholar
Carbazole-Linked Near-Infrared Aza-BODIPY Dyes as Triplet Sensitizers and Photoacoustic Contrast Agents for Deep-Tissue Imaging.
Y. Gawale, Nagappanpillai Adarsh, S. K. Kalva, Joshy Joseph +3 more
2017Chemistry77 citations Open access
Semantic Scholar
In vitro demonstration of apoptosis mediated photodynamic activity and NIR nucleus imaging through a novel porphyrin.
Suneesh C. Karunakaran, P. S. Saneesh Babu, B. Madhuri, Betsy Marydasan +8 more
2013ACS Chemical Biology76 citations
Semantic Scholar
Chiral supramolecular assemblies of a squaraine dye in solution and thin films: concentration-, temperature-, and solvent-induced chirality inversion.
Kuthanapillil Jyothish, M. Hariharan, D. Ramaiah
2007Chemistry73 citations
Semantic Scholar
Infrared absorbing croconaine dyes: synthesis and metal ion binding properties.
R. R. Avirah, Kuthanapillil Jyothish, D. Ramaiah
2008Journal of Organic Chemistry68 citations
Semantic Scholar
Synthesis of a novel cyclic donor-acceptor conjugate for selective recognition of ATP.
P. P. Neelakandan, M. Hariharan, D. Ramaiah
2005Organic Letters68 citations
Semantic Scholar
Antimicrobial Photodynamic Efficiency of Novel Cationic Porphyrins towards Periodontal Gram‐positive and Gram‐negative Pathogenic Bacteria
Chandra Sekhar Prasanth, Suneesh C. Karunakaran, A. K. Paul, V. Kussovski +7 more
2014Photochemistry and Photobiology67 citations
Semantic Scholar
Bis(3,5-diiodo-2,4,6-trihydroxyphenyl)squaraine: a novel candidate in photodynamic therapy for skin cancer models in vivo.
D. Devi, T. R. Cibin, D. Ramaiah, Annie Abraham
2008Journal of Photochemistry and Photobiology. B: Biology59 citations
Semantic Scholar
Tuning of intercalation and electron-transfer processes between DNA and acridinium derivatives through steric effects.
Joshy Joseph, Elizabeth Kuruvilla, Asha Achuthan, D. Ramaiah +1 more
2004Bioconjugate chemistry57 citations Open access
Semantic Scholar
A supramolecular Cu(II) metallocyclophane probe for guanosine 5'-monophosphate.
A. Nair, P. P. Neelakandan, D. Ramaiah
2009Chemical Communications56 citations
Semantic Scholar
In Vitro and in Vivo Demonstration of Photodynamic Activity and Cytoplasm Imaging through TPE Nanoparticles.
Dhanya T. Jayaram, S. Ramos-Romero, B. H. Shankar, Cristina Garrido +5 more
2016ACS Chemical Biology50 citations
Semantic Scholar
Near-infrared fluorescent probes: synthesis and spectroscopic investigations of a few amphiphilic squaraine dyes.
Kalliat T. Arun, D. Ramaiah
2005Journal of Physical Chemistry A48 citations
Semantic Scholar
A reversible dual mode chemodosimeter for the detection of cyanide ions in natural sources.
B. H. Shankar, Dhanya T. Jayaram, D. Ramaiah
2014Chemistry - An Asian Journal47 citations
Semantic Scholar
Optimization of triplet excited state and singlet oxygen quantum yields of picolylamine-porphyrin conjugates through zinc insertion.
Betsy Marydasan, A. Nair, D. Ramaiah
2013Journal of Physical Chemistry B47 citations
Semantic Scholar
Aggregation Behavior of Halogenated Squaraine Dyes in Buffer, Electrolytes, Organized Media, and DNA
Kalliat T. Arun, B. Epe, D. Ramaiah
200244 citations
Semantic Scholar
Selective recognition of tryptophan through inhibition of intramolecular charge-transfer interactions in an aqueous medium.
M. Hariharan, Suneesh C. Karunakaran, D. Ramaiah
2007Organic Letters43 citations
Semantic Scholar
DNA-assisted white light emission through FRET.
K. Sanju, P. P. Neelakandan, D. Ramaiah
2011Chemical Communications42 citations
Semantic Scholar
β-Cyclodextrin as a photosensitizer carrier: effect on photophysical properties and chemical reactivity of squaraine dyes.
Kalliat T. Arun, Dhanya T. Jayaram, R. R. Avirah, D. Ramaiah
2011Journal of Physical Chemistry B42 citations
Semantic Scholar
Synthesis of novel quinaldine-based squaraine dyes: effect of substituents and role of electronic factors.
Kuthanapillil Jyothish, Kalliat T. Arun, D. Ramaiah
2004Organic Letters41 citations
Semantic Scholar
Novel bifunctional viologen-linked pyrene conjugates: Synthesis and study of their interactions with nucleosides and DNA.
M. Hariharan, Joshy Joseph, D. Ramaiah
2006Journal of Physical Chemistry B39 citations
Semantic Scholar
Aggregation properties of heavy atom substituted squaraine dyes: evidence for the formation of J-type dimer aggregates in aprotic solvents.
S. Alex, M. C. Basheer, Kalliat T. Arun, D. Ramaiah +1 more
2007Journal of Physical Chemistry A38 citations
Semantic Scholar
Acridine-viologen dyads: selective recognition of single-strand DNA through fluorescence enhancement.
Elizabeth Kuruvilla, Paramjyothi C. Nandajan, G. Schuster, D. Ramaiah
2008Organic Letters37 citations
Semantic Scholar
Novel bifunctional acridine-acridinium conjugates: synthesis and study of their chromophore-selective electron-transfer and DNA-binding properties.
Elizabeth Kuruvilla, Joshy Joseph, D. Ramaiah
2005Journal of Physical Chemistry B37 citations
Semantic Scholar
Design of photoactivated DNA oxidizing agents: synthesis and study of photophysical properties and DNA interactions of novel viologen-linked acridines.
Joshy Joseph, N. V. Eldho, D. Ramaiah
2003Chemistry37 citations
Semantic Scholar
Harvesting Infrared Photons with Croconate Dyes
K. Takechi, P. Kamat, R. R. Avirah, Kuthanapillil Jyothish +1 more
2016Figshare36 citations Open access
Semantic Scholar
Squaraine Dyes in PDT: From Basic Design to in vivo Demonstration
R. R. Avirah, Dhanya T. Jayaram, Nagappanpillai Adarsh, D. Ramaiah
201236 citations
Semantic Scholar
Dansyl-naphthalimide dyads as molecular probes: effect of spacer group on metal ion binding properties.
B. H. Shankar, D. Ramaiah
2011Journal of Physical Chemistry B35 citations
Semantic Scholar
Selective interactions of a few acridinium derivatives with single strand DNA: study of photophysical and DNA binding interactions.
Elizabeth Kuruvilla, D. Ramaiah
2007Journal of Physical Chemistry B32 citations
Semantic Scholar
Photochromic dibenzobarrlenes: long-lived triplet biradical intermediates.
Meledathu C. Sajimon, D. Ramaiah, C. Suresh, W. Adam +2 more
2007Journal of the American Chemical Society32 citations
Semantic Scholar
Synthesis of new cholesterol- and sugar-anchored squaraine dyes: further evidence of how electronic factors influence dye formation.
Kuthanapillil Jyothish, R. R. Avirah, D. Ramaiah
2006Organic Letters32 citations
Semantic Scholar
Study of cavity size and nature of bridging units on recognition of nucleotides by cyclophanes.
P. P. Neelakandan, Paramjyothi C. Nandajan, Baby Subymol, D. Ramaiah
2011Organic and biomolecular chemistry28 citations
Semantic Scholar
Control of Electron-Transfer and DNA Binding Properties by the Tolyl Spacer Group in Viologen Linked Acridines
Joshy Joseph, N. V. Eldho, D. Ramaiah
200328 citations
Semantic Scholar
Picolyl Porphyrin Nanostructures as a Functional Drug Entrant for Photodynamic Therapy in Human Breast Cancers
Betsy Marydasan, Rajshree R. Nair, P. S. Saneesh Babu, D. Ramaiah +1 more
2019ACS Omega26 citations Open access
Semantic Scholar
Novel Aza-BODIPY based turn on selective and sensitive probe for on-site visual detection of bivalent copper ions
Y. Gawale, Sreejith Mangalath, Nagappanpillai Adarsh, Joshy Joseph +2 more
201925 citations
Semantic Scholar
Unveiling NIR Aza-Boron-Dipyrromethene (BODIPY) Dyes as Raman Probes: Surface-Enhanced Raman Scattering (SERS)-Guided Selective Detection and Imaging of Human Cancer Cells.
Nagappanpillai Adarsh, A. Ramya, K. Maiti, D. Ramaiah
2017Chemistry25 citations
Semantic Scholar
Effect of Bridging Units on Photophysical and DNA Binding Properties of a Few Cyclophanes
P. P. Neelakandan, K. Sanju, D. Ramaiah
2010Photochemistry and Photobiology23 citations
Semantic Scholar

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