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Showing 1 to 12 of 19 entries
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In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry.

Talanta

Choleva TG, Kappi FA, Tsogas GZ, Vlessidis AG, Giokas DL.
PMID: 26946014
Talanta. 2016 May 01;151:91-99. doi: 10.1016/j.talanta.2016.01.030. Epub 2016 Jan 15.

This work describes a new method for the extraction and determination of gold nanoparticles in environmental samples by means of in-situ suspended aggregate microextraction and electrothermal atomic absorption spectrometry. The method relies on the in-situ formation of a supramolecular...

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Choleva TG, Kappi FA, Tsogas GZ, et al. In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry. Talanta. 2016;151:91-99doi: 10.1016/j.talanta.2016.01.030.
Choleva, T. G., Kappi, F. A., Tsogas, G. Z., Vlessidis, A. G., & Giokas, D. L. (2016). In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry. Talanta, 15191-99. https://doi.org/10.1016/j.talanta.2016.01.030
Choleva, Tatiana G, et al. "In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry." Talanta vol. 151 (2016): 91-99. doi: https://doi.org/10.1016/j.talanta.2016.01.030
Choleva TG, Kappi FA, Tsogas GZ, Vlessidis AG, Giokas DL. In-situ suspended aggregate microextraction of gold nanoparticles from water samples and determination by electrothermal atomic absorption spectrometry. Talanta. 2016 May 01;151:91-99. doi: 10.1016/j.talanta.2016.01.030. Epub 2016 Jan 15. PMID: 26946014.
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Metal ion determination by flame atomic absorption spectrometry through reagentless coacervate phase separation-extraction into lamellar vesicles.

Analytical chemistry

Giokas DL, Tsogas GZ, Vlessidis AG, Karayannis MI.
PMID: 14987085
Anal Chem. 2004 Mar 01;76(5):1302-9. doi: 10.1021/ac0303517.

The phase separation of lamellar vesicles of anionic surfactants in aqueous solutions and its application as a novel liquid coacervate extraction procedure was examined. Solutions of lauric acid sodium salt separate into two phases in the presence of alkaline...

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Giokas DL, Tsogas GZ, Vlessidis AG, et al. Metal ion determination by flame atomic absorption spectrometry through reagentless coacervate phase separation-extraction into lamellar vesicles. Anal Chem. 2004;76(5):1302-9doi: 10.1021/ac0303517.
Giokas, D. L., Tsogas, G. Z., Vlessidis, A. G., & Karayannis, M. I. (2004). Metal ion determination by flame atomic absorption spectrometry through reagentless coacervate phase separation-extraction into lamellar vesicles. Analytical chemistry, 76(5), 1302-9. https://doi.org/10.1021/ac0303517
Giokas, Dimosthenis L, et al. "Metal ion determination by flame atomic absorption spectrometry through reagentless coacervate phase separation-extraction into lamellar vesicles." Analytical chemistry vol. 76,5 (2004): 1302-9. doi: https://doi.org/10.1021/ac0303517
Giokas DL, Tsogas GZ, Vlessidis AG, Karayannis MI. Metal ion determination by flame atomic absorption spectrometry through reagentless coacervate phase separation-extraction into lamellar vesicles. Anal Chem. 2004 Mar 01;76(5):1302-9. doi: 10.1021/ac0303517. PMID: 14987085.
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Dialysis membrane sampler for on-line flow injection analysis/chemiluminescence-detection of peroxynitrite in biological samples.

Talanta

Dai K, Vlessidis AG, Evmiridis NP.
PMID: 18968884
Talanta. 2003 Jan 02;59(1):55-65. doi: 10.1016/s0039-9140(02)00463-0.

Peroxynitrite, as a derivative of nitric oxide, is a potent oxidant. It reacts with several biological molecules, makes cellular and tissue damages, and is related with many diseases; therefore, it is of major concern in current medical research works....

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Dai K, Vlessidis AG, Evmiridis NP. Dialysis membrane sampler for on-line flow injection analysis/chemiluminescence-detection of peroxynitrite in biological samples. Talanta. 2003;59(1):55-65doi: 10.1016/s0039-9140(02)00463-0.
Dai, K., Vlessidis, A. G., & Evmiridis, N. P. (2003). Dialysis membrane sampler for on-line flow injection analysis/chemiluminescence-detection of peroxynitrite in biological samples. Talanta, 59(1), 55-65. https://doi.org/10.1016/s0039-9140(02)00463-0
Dai, Kang, et al. "Dialysis membrane sampler for on-line flow injection analysis/chemiluminescence-detection of peroxynitrite in biological samples." Talanta vol. 59,1 (2003): 55-65. doi: https://doi.org/10.1016/s0039-9140(02)00463-0
Dai K, Vlessidis AG, Evmiridis NP. Dialysis membrane sampler for on-line flow injection analysis/chemiluminescence-detection of peroxynitrite in biological samples. Talanta. 2003 Jan 02;59(1):55-65. doi: 10.1016/s0039-9140(02)00463-0. PMID: 18968884.
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Coacervation of surface-functionalized polymerized vesicles derived from ammonium bromide surfactants. Application to the selective speciation of chromium in environmental samples.

Analytical chemistry

Kapakoglou NI, Giokas DL, Tsogas GZ, Vlessidis AG.
PMID: 19012415
Anal Chem. 2008 Dec 15;80(24):9787-96. doi: 10.1021/ac802018w.

The potential of polymerized vesicle coacervates made up of ammonium bromide surfactants for the extraction of metallic ions from natural waters was examined for the first time. Linear linked polymerized vesicles prepared by UV excitation of (4-carboxybenzyl)bis[2-(10-undecenoyloxy)ethyl]methylammonium bromide monomer...

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Kapakoglou NI, Giokas DL, Tsogas GZ, et al. Coacervation of surface-functionalized polymerized vesicles derived from ammonium bromide surfactants. Application to the selective speciation of chromium in environmental samples. Anal Chem. 2008;80(24):9787-96doi: 10.1021/ac802018w.
Kapakoglou, N. I., Giokas, D. L., Tsogas, G. Z., & Vlessidis, A. G. (2008). Coacervation of surface-functionalized polymerized vesicles derived from ammonium bromide surfactants. Application to the selective speciation of chromium in environmental samples. Analytical chemistry, 80(24), 9787-96. https://doi.org/10.1021/ac802018w
Kapakoglou, Nikolaos I, et al. "Coacervation of surface-functionalized polymerized vesicles derived from ammonium bromide surfactants. Application to the selective speciation of chromium in environmental samples." Analytical chemistry vol. 80,24 (2008): 9787-96. doi: https://doi.org/10.1021/ac802018w
Kapakoglou NI, Giokas DL, Tsogas GZ, Vlessidis AG. Coacervation of surface-functionalized polymerized vesicles derived from ammonium bromide surfactants. Application to the selective speciation of chromium in environmental samples. Anal Chem. 2008 Dec 15;80(24):9787-96. doi: 10.1021/ac802018w. PMID: 19012415.
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A fast assay of water hardness ions based on alkaline earth metal induced coacervation (HALC).

Talanta

Tsogas GZ, Giokas DL, Vlessidis AG.
PMID: 20152451
Talanta. 2010 Mar 15;80(5):2049-56. doi: 10.1016/j.talanta.2009.11.003. Epub 2009 Nov 10.

In this work, a rapid assay of water hardness is presented based on the formation of a coacervate phase made up of multilamellar vesicles and close bilayers produced upon the reaction of alkaline earth metals with a carboxylate anionic...

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Tsogas GZ, Giokas DL, Vlessidis AG. A fast assay of water hardness ions based on alkaline earth metal induced coacervation (HALC). Talanta. 2009;80(5):2049-56doi: 10.1016/j.talanta.2009.11.003.
Tsogas, G. Z., Giokas, D. L., & Vlessidis, A. G. (2010). A fast assay of water hardness ions based on alkaline earth metal induced coacervation (HALC). Talanta, 80(5), 2049-56. https://doi.org/10.1016/j.talanta.2009.11.003
Tsogas, George Z, et al. "A fast assay of water hardness ions based on alkaline earth metal induced coacervation (HALC)." Talanta vol. 80,5 (2010): 2049-56. doi: https://doi.org/10.1016/j.talanta.2009.11.003
Tsogas GZ, Giokas DL, Vlessidis AG. A fast assay of water hardness ions based on alkaline earth metal induced coacervation (HALC). Talanta. 2010 Mar 15;80(5):2049-56. doi: 10.1016/j.talanta.2009.11.003. Epub 2009 Nov 10. PMID: 20152451.
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Detoxification of tannery waste liquors with an electrolysis system.

Environmental pollution (Barking, Essex : 1987)

Vlyssides AG, Israilides CJ.
PMID: 15093388
Environ Pollut. 1997;97(1):147-52. doi: 10.1016/s0269-7491(97)00062-6.

This paper describes an electrochemical treatment and detoxification of tannery waste liquors (TWL). In this technique, TWL was passed through an electrolytic cell using a Ti/Pt anode and a stainless steel 304 cathode. Owing to the strong oxidizing potential...

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Vlyssides AG, Israilides CJ. Detoxification of tannery waste liquors with an electrolysis system. Environ Pollut. 1997;97(1):147-52doi: 10.1016/s0269-7491(97)00062-6.
Vlyssides, A. G., & Israilides, C. J. (1997). Detoxification of tannery waste liquors with an electrolysis system. Environmental pollution (Barking, Essex : 1987), 97(1), 147-52. https://doi.org/10.1016/s0269-7491(97)00062-6
Vlyssides, A G, and Israilides, C J. "Detoxification of tannery waste liquors with an electrolysis system." Environmental pollution (Barking, Essex : 1987) vol. 97,1 (1997): 147-52. doi: https://doi.org/10.1016/s0269-7491(97)00062-6
Vlyssides AG, Israilides CJ. Detoxification of tannery waste liquors with an electrolysis system. Environ Pollut. 1997;97(1):147-52. doi: 10.1016/s0269-7491(97)00062-6. PMID: 15093388.
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Ultratrace determination of silver, gold, and iron oxide nanoparticles by micelle mediated preconcentration/selective back-extraction coupled with flow injection chemiluminescence detection.

Analytical chemistry

Tsogas GZ, Giokas DL, Vlessidis AG.
PMID: 24576255
Anal Chem. 2014 Apr 01;86(7):3484-92. doi: 10.1021/ac404071v. Epub 2014 Mar 11.

A new method has been developed for the ultrasensitive determination of silver, gold, and iron oxide nanoparticles in environmental samples. Cloud point extraction was optimized and used as a means to extract and preconcentrate all nanoparticle species simultaneously from...

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Tsogas GZ, Giokas DL, Vlessidis AG. Ultratrace determination of silver, gold, and iron oxide nanoparticles by micelle mediated preconcentration/selective back-extraction coupled with flow injection chemiluminescence detection. Anal Chem. 2014;86(7):3484-92doi: 10.1021/ac404071v.
Tsogas, G. Z., Giokas, D. L., & Vlessidis, A. G. (2014). Ultratrace determination of silver, gold, and iron oxide nanoparticles by micelle mediated preconcentration/selective back-extraction coupled with flow injection chemiluminescence detection. Analytical chemistry, 86(7), 3484-92. https://doi.org/10.1021/ac404071v
Tsogas, George Z, et al. "Ultratrace determination of silver, gold, and iron oxide nanoparticles by micelle mediated preconcentration/selective back-extraction coupled with flow injection chemiluminescence detection." Analytical chemistry vol. 86,7 (2014): 3484-92. doi: https://doi.org/10.1021/ac404071v
Tsogas GZ, Giokas DL, Vlessidis AG. Ultratrace determination of silver, gold, and iron oxide nanoparticles by micelle mediated preconcentration/selective back-extraction coupled with flow injection chemiluminescence detection. Anal Chem. 2014 Apr 01;86(7):3484-92. doi: 10.1021/ac404071v. Epub 2014 Mar 11. PMID: 24576255.
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Periodate oxidation and its contribution to instrumental methods of micro-analysis--a review.

Analytica chimica acta

Vlessidis AG, Evmiridis NP.
PMID: 19786172
Anal Chim Acta. 2009 Oct 12;652(1):85-127. doi: 10.1016/j.aca.2009.06.065. Epub 2009 Jul 05.

A comprehensive review that summarizes the periodate oxidation contribution to the development of selective instrumental methods of micro-analysis in the fields of electrochemistry, spectrophotometry, luminometry, chromatography, as well as studies on successful fabrication of sensors or labeling techniques are...

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Vlessidis AG, Evmiridis NP. Periodate oxidation and its contribution to instrumental methods of micro-analysis--a review. Anal Chim Acta. 2009;652(1):85-127doi: 10.1016/j.aca.2009.06.065.
Vlessidis, A. G., & Evmiridis, N. P. (2009). Periodate oxidation and its contribution to instrumental methods of micro-analysis--a review. Analytica chimica acta, 652(1), 85-127. https://doi.org/10.1016/j.aca.2009.06.065
Vlessidis, Athanasios G, and Evmiridis, Nicholaos P. "Periodate oxidation and its contribution to instrumental methods of micro-analysis--a review." Analytica chimica acta vol. 652,1 (2009): 85-127. doi: https://doi.org/10.1016/j.aca.2009.06.065
Vlessidis AG, Evmiridis NP. Periodate oxidation and its contribution to instrumental methods of micro-analysis--a review. Anal Chim Acta. 2009 Oct 12;652(1):85-127. doi: 10.1016/j.aca.2009.06.065. Epub 2009 Jul 05. PMID: 19786172.
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Programming fluid transport in paper-based microfluidic devices using razor-crafted open channels.

Analytical chemistry

Giokas DL, Tsogas GZ, Vlessidis AG.
PMID: 24915155
Anal Chem. 2014 Jul 01;86(13):6202-7. doi: 10.1021/ac501273v. Epub 2014 Jun 20.

Manipulating fluid transport in microfluidic, paper-based analytical devices (μPADs) is an essential prerequisite to enable multiple timed analytical steps on the same device. Current methods to control fluid distribution mainly rely on controlling how slowly the fluid moves within...

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Giokas DL, Tsogas GZ, Vlessidis AG. Programming fluid transport in paper-based microfluidic devices using razor-crafted open channels. Anal Chem. 2014;86(13):6202-7doi: 10.1021/ac501273v.
Giokas, D. L., Tsogas, G. Z., & Vlessidis, A. G. (2014). Programming fluid transport in paper-based microfluidic devices using razor-crafted open channels. Analytical chemistry, 86(13), 6202-7. https://doi.org/10.1021/ac501273v
Giokas, Dimosthenis L, et al. "Programming fluid transport in paper-based microfluidic devices using razor-crafted open channels." Analytical chemistry vol. 86,13 (2014): 6202-7. doi: https://doi.org/10.1021/ac501273v
Giokas DL, Tsogas GZ, Vlessidis AG. Programming fluid transport in paper-based microfluidic devices using razor-crafted open channels. Anal Chem. 2014 Jul 01;86(13):6202-7. doi: 10.1021/ac501273v. Epub 2014 Jun 20. PMID: 24915155.
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Application of a novel chemometric approach to the determination of aqueous photolysis rates of organic compounds in natural waters.

Talanta

Giokas DL, Vlessidis AG.
PMID: 19071302
Talanta. 2007 Jan 15;71(1):288-95. doi: 10.1016/j.talanta.2006.03.060. Epub 2006 May 11.

The utility of multivariate optimization methods in the determination of aqueous photolysis rates of organic compounds is examined in this study. A basic pursue was to designate the appropriate experimental design plan that extend the analytical utility of multivariate...

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Giokas DL, Vlessidis AG. Application of a novel chemometric approach to the determination of aqueous photolysis rates of organic compounds in natural waters. Talanta. 2006;71(1):288-95doi: 10.1016/j.talanta.2006.03.060.
Giokas, D. L., & Vlessidis, A. G. (2007). Application of a novel chemometric approach to the determination of aqueous photolysis rates of organic compounds in natural waters. Talanta, 71(1), 288-95. https://doi.org/10.1016/j.talanta.2006.03.060
Giokas, Dimosthenis L, and Vlessidis, Athanasios G. "Application of a novel chemometric approach to the determination of aqueous photolysis rates of organic compounds in natural waters." Talanta vol. 71,1 (2007): 288-95. doi: https://doi.org/10.1016/j.talanta.2006.03.060
Giokas DL, Vlessidis AG. Application of a novel chemometric approach to the determination of aqueous photolysis rates of organic compounds in natural waters. Talanta. 2007 Jan 15;71(1):288-95. doi: 10.1016/j.talanta.2006.03.060. Epub 2006 May 11. PMID: 19071302.
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Determination of the pesticide carbaryl and its photodegradation kinetics in natural waters by flow injection-direct chemiluminescence detection.

Analytica chimica acta

Tsogas GZ, Giokas DL, Nikolakopoulos PG, Vlessidis AG, Evmiridis NP.
PMID: 17723545
Anal Chim Acta. 2006 Jul 28;573:354-9. doi: 10.1016/j.aca.2005.11.058. Epub 2005 Dec 27.

A novel flow injection-chemiluminescence method for the quantitative assay of the pesticide carbaryl in environmental samples is presented. The determination is based on the CL-emission generated by the oxidation of the pesticide with potassium permanganate. The linear response of...

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Tsogas GZ, Giokas DL, Nikolakopoulos PG, et al. Determination of the pesticide carbaryl and its photodegradation kinetics in natural waters by flow injection-direct chemiluminescence detection. Anal Chim Acta. 2005;573:354-9doi: 10.1016/j.aca.2005.11.058.
Tsogas, G. Z., Giokas, D. L., Nikolakopoulos, P. G., Vlessidis, A. G., & Evmiridis, N. P. (2006). Determination of the pesticide carbaryl and its photodegradation kinetics in natural waters by flow injection-direct chemiluminescence detection. Analytica chimica acta, 573354-9. https://doi.org/10.1016/j.aca.2005.11.058
Tsogas, George Z, et al. "Determination of the pesticide carbaryl and its photodegradation kinetics in natural waters by flow injection-direct chemiluminescence detection." Analytica chimica acta vol. 573 (2006): 354-9. doi: https://doi.org/10.1016/j.aca.2005.11.058
Tsogas GZ, Giokas DL, Nikolakopoulos PG, Vlessidis AG, Evmiridis NP. Determination of the pesticide carbaryl and its photodegradation kinetics in natural waters by flow injection-direct chemiluminescence detection. Anal Chim Acta. 2006 Jul 28;573:354-9. doi: 10.1016/j.aca.2005.11.058. Epub 2005 Dec 27. PMID: 17723545.
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Chemiluminescence (CL) emission generated during oxidation of pyrogallol and its application in analytical chemistry. I. Effect of oxidant compound.

Talanta

Evmiridis NP, Thanasoulias NK, Vlessidis AG.
PMID: 18967142
Talanta. 1998 May;46(1):179-96. doi: 10.1016/s0039-9140(97)00272-5.

An investigation of chemiluminescence (CL)-emission generated by the oxidation of pyrogallol using various inorganic oxidant compounds is reported in this F.I.A.-merging zone application. The oxidant compounds that showed measurable CL-emission were permanganate, periodate, hypochlorite anions, cerium(IV) and hydrogen peroxide....

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Evmiridis NP, Thanasoulias NK, Vlessidis AG. Chemiluminescence (CL) emission generated during oxidation of pyrogallol and its application in analytical chemistry. I. Effect of oxidant compound. Talanta. 1998;46(1):179-96doi: 10.1016/s0039-9140(97)00272-5.
Evmiridis, N. P., Thanasoulias, N. K., & Vlessidis, A. G. (1998). Chemiluminescence (CL) emission generated during oxidation of pyrogallol and its application in analytical chemistry. I. Effect of oxidant compound. Talanta, 46(1), 179-96. https://doi.org/10.1016/s0039-9140(97)00272-5
Evmiridis, N P, et al. "Chemiluminescence (CL) emission generated during oxidation of pyrogallol and its application in analytical chemistry. I. Effect of oxidant compound." Talanta vol. 46,1 (1998): 179-96. doi: https://doi.org/10.1016/s0039-9140(97)00272-5
Evmiridis NP, Thanasoulias NK, Vlessidis AG. Chemiluminescence (CL) emission generated during oxidation of pyrogallol and its application in analytical chemistry. I. Effect of oxidant compound. Talanta. 1998 May;46(1):179-96. doi: 10.1016/s0039-9140(97)00272-5. PMID: 18967142.
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Showing 1 to 12 of 19 entries