Search Results - "Saravana Kumar, P."

2-Aminophenols based Schiff bases as fluorescent probes for selective detection of cyanide and aluminium ions – Effect of substituents by Poongodi, K., Saravana Kumar, P., Shanmugapriya, R., Nandhini, C., Elango, Kuppanagounder P.

“…Three Schiff base based probes exhibit high selectivity and sensitivity CN− and Al(III) ions with striking fluorescent signaling responses in H2O-DMSO (1:1,…”
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3-Hydroxy-2-naphthoic hydrazide as a probe for fluorescent detection of cyanide and aluminium ions in organic and aquo-organic media and its application in food and pharmaceutical samples by Shanmugapriya, R., Saravana Kumar, P., Poongodi, K., Nandhini, C., Elango, Kuppanagounder P.

“…[Display omitted] •The probe displays a rapid fluorescent response for CN− and Al(III).•Enhancement in fluorescence occurs in neat DMSO and H2O-DMSO (1:1 v/v)…”
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Isolation, screening and partial purification of antimicrobial antibiotics from soil Streptomyces sp. SCA 7 by Saravana Kumar, P, Duraipandiyan, V, Ignacimuthu, S

“…Abstract Thirty-seven actinomycetes strains were isolated from soil samples collected from an agriculture field in Vengodu, Thiruvannamalai District, Tamil…”
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Delivery of chitosan/dsRNA nanoparticles for silencing of wing development vestigial (vg) gene in Aedes aegypti mosquitoes by Ramesh Kumar, D., Saravana Kumar, P., Gandhi, M. Rajiv, Al-Dhabi, Naif Abdullah, Paulraj, M. Gabriel, Ignacimuthu, S.

“…RNA interference (RNAi) has been used as a gene silencing strategy by the introduction of long double stranded RNA (dsRNA) for the control of pest insects. The…”
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Effect of Admixed Recycled Aggregate Concrete on Properties of Fresh and Hardened Concrete by Kumar, P. Saravana, Dhinakaran, G

“…AbstractRecycled aggregate (RA) obtained from crushed concrete rubble, instead of being stored, can be reused in building industry. An attempt has been made to…”
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Cyanohydrin formation of quinone appended benzaldehyde as a tool for selective colorimetric detection of cyanide in aqueous solution in a wide pH range by Saravana Kumar, P., Raja Lakshmi, P., Elango, Kuppanagounder P.

“…A Novel chemosensor R possessing napthoquinone substituted benzaldehyde has been successfully designed, synthesized and characterized using NMR and mass…”
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A multi-site probe for selective detection of cyanide and sulphite ions via different mechanisms with concomitant different fluorescent behaviors by Nandhini, C., Saravana Kumar, P., Shanmugapriya, R., Satheeshkumar, A., Vennila, K.N., Elango, Kuppanagounder P.

“…•The probe senses CN– and SO32– ions with different fluorescent colours.•The detection mechanism of CN– involves deprotonation process.•The sensing of SO32– is…”
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Extracellular biosynthesis of silver nanoparticle using Streptomyces sp. 09 PBT 005 and its antibacterial and cytotoxic properties by Saravana Kumar, P., Balachandran, C., Duraipandiyan, V., Ramasamy, D., Ignacimuthu, S., Al-Dhabi, Naif Abdullah

“…The application of microorganisms for the synthesis of nanoparticles as an eco-friendly and promising approach is welcome due to its non-toxicity and…”
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Bio-prospecting of soil Streptomyces and its bioassay-guided isolation of microbial derived auxin with antifungal properties by Saravana Kumar, P., Yuvaraj, P., Gabrial Paulraj, M., Ignacimuthu, S., Abdullah Al-Dhabi, N.

“…The present study was aimed to isolate bioactive actinomycetes with antifungal properties. Twenty-seven distinct soil derived actinomycetes were investigated…”
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A simple organic probe for ratiometric fluorescent detection of Zn(II), Cd(II) and Hg(II) ions in aqueous solution via varying emission colours to distinguish one another by Kumar, P. Saravana, Elango, Kuppanagounder P.

“…A bis (thiosemicarbazone) based probe has been synthesized and structurally characterized. The probe exhibits good selectivity towards Zn(II), Cd(II) and…”
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A simple imine as a dual-channel chemosensor for detection of CN− and HS− ions via different mechanisms in organic and aquo-organic media by Mahalakshmi, G., Saravana Kumar, P., Sivaraman, G., Seenivasa Perumal, M., Elango, Kuppanagounder P.

“…[Display omitted] •Receptor selectively senses CN− and HS− ions organic and aquo-organic media.•Sensing involves both colour change and fluorescence…”
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Ratiometric fluorescence sensing of hypochlorite ion by dansyl hydrazine - Spectroscopic and TD-DFT studies by Satheeshkumar, K., Saravana Kumar, P., Shanmugapriya, R., Nandhini, C., Vennila, K.N., Elango, Kuppanagounder P.

“…•Dansyl hydrazine detects OCl− selectively with an enhancement in fluorescence.•The detection mechanism involves cleavage of C-S bond.•Sensing mechanism was…”
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A simple fluorophore-imine ensemble for colorimetric and fluorescent detection of CN− and HS− in aqueous solution by Lakshmi, P. Raja, Kumar, P. Saravana, Elango, Kuppanagounder P.

“…Colorimetric and fluorescent detection of cyanide and hydrogen sulfide ions has been effected using a simple organic probe in H2O:DMSO (20:80, v/v) medium. The…”
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A combination of experimental and TD-DFT investigations on the fluorescent detection of sulfite and bisulfite ions in aqueous solution via nucleophilic addition reaction by Nandhini, C., Saravana Kumar, P., Shanmugapriya, R., Vennila, K.N., Al-Sehemi, Abdullah G., Pannipara, Mehboobali, Elango, Kuppanagounder P.

“…[Display omitted] •The probe senses SO2 derivatives with fluorescent enhancement.•The detection mechanism involves nucleophilic addition at vinylic…”
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Rational design and application of a fluorogenic chemodosimeter for selective detection of cyanide in an aqueous solution via excimer formation by Kumar, P. Saravana, Lakshmi, P. Raja, Elango, Kuppanagounder P.

“…A new quinone-benzothiazole imine based chemodosimeter (R) was rationally designed, synthesized and characterized using NMR and mass spectral techniques. The…”
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Selective smartphone aided colorimetric detection of Hg(II) in an aqueous solution via metal ion-induced keto-enol tautomerism–Spectroscopic and theoretical studies by Nandhini, C., Saravana Kumar, P., Shanmugapriya, R., Vennila, K.N., Elango, Kuppanagounder P.

“…•The probe displays a rapid colorimetric response for Hg(II).•Dramatic colour change occurs in neat DMSO and H2O-DMSO (1:1 v/v) media.•DFT and TD-DFT…”
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A simple metal ion displacement-type turn-on fluorescent probe for the detection of halide ions in 100% water – Spectroscopic and TD-DFT investigations by Satheeshkumar, K., Saravana Kumar, P., Nandhini, C., Shanmugapriya, R., Vennila, K.N., Elango, Kuppanagounder P.

“…[Display omitted] •The rationally selected fluorophore forms Hg(II) complex easily.•The Hg(II) complex senses halide ions via turn-on fluorescent in 100%…”
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An easy to make Hg(II) complex as a selective and sensitive fluorescent turn-on chemosensor for iodide in an aqueous solution based on metal ion displacement mechanism by Satheeshkumar, K., Saravana Kumar, P., Shanmugapriya, R., Nandhini, C., Vennila, K.N., Elango, Kuppanagounder P.

“…[Display omitted] •The rationally designed receptor forms Hg(II) complex easily.•The Hg(II) complex senses I− via turn-on fluorescent in aqueous solution.•The…”
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An indolinium-based chemo-dosimeter for highly selective dual-channel detection of cyanide ion: A combined experimental and theoretical investigations by Shanmugapriya, R., Saravana Kumar, P., Ponkarpagam, S., Nandhini, C., Vennila, K.N., Al-Sehemi, Abdullah G., Pannipara, Mehboobali, Elango, Kuppanagounder P.

“…A new highly selective fluorescent turn-on probe (RS4) possessing indolinium moiety has been designed and synthesized for the detection of cyanide ion. The…”
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Spectroscopic and TD-DFT studies on sequential fluorescent detection of Cu(II) and HS- ions in an aqueous solution by Kalavathi, A., Saravana Kumar, P., Satheeshkumar, K., Vennila, K.N., Ciattini, S., Chelazzi, L., Elango, Kuppanagounder P.

“…[Display omitted] •The fluorescent probe AK1 sequentially sensed of Cu(II) and HS- ions via OFF-ON mechanism.•Job’s plot, mass, FT-IR and EPR spectral data…”
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