Výsledky vyhledávání - "Dasari Rekha"

Akademický článek

Monitoring of nickel(II) in biological samples using 4-(2-hydroxy-phenylethamino)benzene-1,3-diol by extractive differential pulse polarography

Autor: Dasari Rekha, Puthalapattu Reddy Prasad, Neelam Yughandhar Sreedhar

Publikováno v: Journal of Electrochemical Science and Engineering, Vol 7, Iss 1 (2017)

A novel analytical reagent, 4-(2-hydroxyphenylethamino)benzene-1,3-diol was synthesized for determination of nickel(II) in biological samples and plant materials by extractive differential pulse polarography. The analysis of nickel(II) was carried ou

Externí odkaz: https://doaj.org/article/2358d374c68f41699da57708fafc44bd

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Sodium dodecyl sulphate assisted hydrothermally synthesized hexagonal prismatic nanocrystalline zinc cobaltite for high performance supercapacitors

Autor: A. Lakshmi Narayana, Obili M. Hussain, N.Y.Sreedhar, N. Varalakshmi, Dasari Rekha

Publikováno v: Ionics. 25:3897-3905

Hexagonal prismatic nanocrystalline ZnCo2O4 (HPNZCO) has been successfully synthesized via sodium dodecyl sulphate-assisted facile hydrothermal method. The crystallographic analysis revealed that the obtained compound is in pure ZnCo2O4 phase with Fd

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e3ccd9c90fafb93aa920d15df9e67ae
https://doi.org/10.1007/s11581-019-02949-y

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Monitoring of nickel(II) in biological samples using 4-(2-hydroxy-phenylethamino)benzene-1,3-diol by extractive differential pulse polarography

Autor: N.Y.Sreedhar, Dasari Rekha, Puthalapattu Reddy Prasad

Publikováno v: Journal of Electrochemical Science and Engineering
Volume 7
Issue 1
Journal of Electrochemical Science and Engineering, Vol 7, Iss 1 (2017)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ef1684683d07beb8c939433d618a2dc
https://hrcak.srce.hr/file/263681

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Akademický článek

Monitoring of Trace Metals in Biological Samples Using Electrochemical Nanosensors Prior to Anodic Stripping Votammetry.

Autor: Dasari, Rekha, Neelam, Yugandha Sreedhar

Publikováno v: Eurasian Journal of Analytical Chemistry. 2010, Vol. 5 Issue 2, p152-160. 9p.

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Differential Pulse Polarographic Determination of Cd(II) and Pb(II) in Milk Samples after Solid-Phase Extraction Using Amberlite XAD-2 Resin Modified with 2,2′-DPED3P

Autor: Dasari Rekha, C. Nageswara Reddy, M. Sankara Nayak, P. Reddy Prasad, N. Y. Sreedhar

Publikováno v: Journal of the Chinese Chemical Society. 56:1139-1146

In the present paper novel column solid phase extraction procedure was developed for the determination of Cd(II) and Pb(II) in cows’, goats’, ewes’, buffalos’and humans’milk samples using newly synthesized reagent 2,2-DPED3 P( 2,2-{[1,2-dip

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea1643ca2aaba82668fa16062bc5fcc8
https://doi.org/10.1002/jccs.200900164

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RETRACTED: Simple, selective and sensitive spectrophotometric determination of fenitrothion using novel chromogenic reagent

Autor: P. Subrahmanyam, P. Chiranjeevi, Y. Suneeta, B. Jayaraj, B. Krishnapriya, Dasari Rekha, Kanchi Suvardhan

Publikováno v: Journal of Hazardous Materials. 146:51-57

A facile, rapid and sensitive spectrophotometric method was developed for the determination of fenitrothion in its formulations, water, food grain and agriculture soil samples with newly synthesised reagent. The method was based on the alkaline hydro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11b7a62e78ff71d3347d32a0baa24b1b
https://doi.org/10.1016/j.jhazmat.2006.11.047

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RETRACTED: Determination of Co(II) in water and soil samples using spectrophotometry coupled with preconcentration on 4-amino methyl pyridine anchored silica gel column

Autor: J. Narasimhulu, J. Dilip kumar, C. Sivani, G. Ramakrishna Naidu, P. Chiranjeevi, Dasari Rekha

Publikováno v: Journal of Hazardous Materials. 146:137-141

4-amino methyl pyridine anchored silica gel (4-AMPS) was used as a sorbent in a simple sensitive spectrophotometry determination of Co(II) in various samples using piperazine dithiocarbamate as a color developing agent (lambda(max)=390 nm) at pH 5.0+

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53fe7a4d6b424f16ec0cd5d2d16eee48
https://doi.org/10.1016/j.jhazmat.2006.11.060

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RETRACTED: Novel analytical reagent for the application of cloud-point preconcentration and flame atomic absorption spectrometric determination of nickel in natural water samples

Autor: K. Suresh Kumar, B. Jayaraj, P. Reddy Prasad, Dasari Rekha, Kanchi Suvardhan, J. Dilip Kumar, P. Chiranjeevi

Publikováno v: Journal of Hazardous Materials. 144:126-131

Cloud-point extraction was applied as a preconcentration of nickel after formation of complex with newly synthesized N-quino[8,7-b]azin-5-yl-2,3,5,6,8,9,11,12octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecin-15-yl-methanimine, and later determine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30b67cc6c4f58bbd6dfd644307d755fa
https://doi.org/10.1016/j.jhazmat.2006.10.001

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