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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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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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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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The Preeclampsia Foundation: the voice and views of the patient and her family.

American journal of obstetrics and gynecology

Tsigas EZ.
PMID: 34479720
Am J Obstet Gynecol. 2021 Aug 23; doi: 10.1016/j.ajog.2020.10.053. Epub 2021 Aug 23.

Preeclampsia is a disease exclusive to pregnancy and the immediate postpartum period, occurring in 4.6% of pregnancies worldwide. Preeclampsia and other gestational hypertensive disorders can affect any pregnant woman. The consequences of developing this disease can lead to severe...

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Tsigas EZ. The Preeclampsia Foundation: the voice and views of the patient and her family. Am J Obstet Gynecol. 2021;doi: 10.1016/j.ajog.2020.10.053.
Tsigas, E. Z. (2021). The Preeclampsia Foundation: the voice and views of the patient and her family. American journal of obstetrics and gynecology, . https://doi.org/10.1016/j.ajog.2020.10.053
Tsigas, Eleni Z. "The Preeclampsia Foundation: the voice and views of the patient and her family." American journal of obstetrics and gynecology vol. (2021). doi: https://doi.org/10.1016/j.ajog.2020.10.053
Tsigas EZ. The Preeclampsia Foundation: the voice and views of the patient and her family. Am J Obstet Gynecol. 2021 Aug 23; doi: 10.1016/j.ajog.2020.10.053. Epub 2021 Aug 23. PMID: 34479720.
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Interference suppression in HO fluorescence detection.

Applied optics

Hard TM, O'Brien RJ, Cook TB, Tsongas GA.
PMID: 20216584
Appl Opt. 1979 Oct 01;18(19):3216-7. doi: 10.1364/AO.18.003216.

No abstract available.

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Hard TM, O'Brien RJ, Cook TB, et al. Interference suppression in HO fluorescence detection. Appl Opt. 1979;18(19):3216-7doi: 10.1364/AO.18.003216.
Hard, T. M., O'Brien, R. J., Cook, T. B., & Tsongas, G. A. (1979). Interference suppression in HO fluorescence detection. Applied optics, 18(19), 3216-7. https://doi.org/10.1364/AO.18.003216
Hard, T M, et al. "Interference suppression in HO fluorescence detection." Applied optics vol. 18,19 (1979): 3216-7. doi: https://doi.org/10.1364/AO.18.003216
Hard TM, O'Brien RJ, Cook TB, Tsongas GA. Interference suppression in HO fluorescence detection. Appl Opt. 1979 Oct 01;18(19):3216-7. doi: 10.1364/AO.18.003216. PMID: 20216584.
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The brain study: Cognition, quality of life and social functioning following preeclampsia; An observational study.

Pregnancy hypertension

Postma IR, Groen H, Easterling TR, Tsigas EZ, Wilson ML, Porcel J, Zeeman GG.
PMID: 26103801
Pregnancy Hypertens. 2013 Oct;3(4):227-34. doi: 10.1016/j.preghy.2013.06.003. Epub 2013 Jun 24.

OBJECTIVES: Previously preeclamptic women may express cognitive difficulties, which have largely been unappreciated or attributed to stresses of a complicated pregnancy. This study aimed to explore the scope of perceived neurocognitive and psychosocial problems as well as quality of...

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Postma IR, Groen H, Easterling TR, et al. The brain study: Cognition, quality of life and social functioning following preeclampsia; An observational study. Pregnancy Hypertens. 2013;3(4):227-34doi: 10.1016/j.preghy.2013.06.003.
Postma, I. R., Groen, H., Easterling, T. R., Tsigas, E. Z., Wilson, M. L., Porcel, J., & Zeeman, G. G. (2013). The brain study: Cognition, quality of life and social functioning following preeclampsia; An observational study. Pregnancy hypertension, 3(4), 227-34. https://doi.org/10.1016/j.preghy.2013.06.003
Postma, I R, et al. "The brain study: Cognition, quality of life and social functioning following preeclampsia; An observational study." Pregnancy hypertension vol. 3,4 (2013): 227-34. doi: https://doi.org/10.1016/j.preghy.2013.06.003
Postma IR, Groen H, Easterling TR, Tsigas EZ, Wilson ML, Porcel J, Zeeman GG. The brain study: Cognition, quality of life and social functioning following preeclampsia; An observational study. Pregnancy Hypertens. 2013 Oct;3(4):227-34. doi: 10.1016/j.preghy.2013.06.003. Epub 2013 Jun 24. PMID: 26103801.
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PRE-EMPT (PRE-eclampsia-Eclampsia Monitoring, Prevention and Treatment): A low and middle income country initiative to reduce the global burden of maternal, fetal and infant death and disease related to pre-eclampsia.

Pregnancy hypertension

von Dadelszen P, Sawchuck D, Justus Hofmeyr G, Magee LA, Bracken H, Mathai M, Tsigas EZ, Teela KC, Donnay F, Roberts JM.
PMID: 26103796
Pregnancy Hypertens. 2013 Oct;3(4):199-202. doi: 10.1016/j.preghy.2013.06.002. Epub 2013 Jun 19.

No abstract available.

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von Dadelszen P, Sawchuck D, Justus Hofmeyr G, et al. PRE-EMPT (PRE-eclampsia-Eclampsia Monitoring, Prevention and Treatment): A low and middle income country initiative to reduce the global burden of maternal, fetal and infant death and disease related to pre-eclampsia. Pregnancy Hypertens. 2013;3(4):199-202doi: 10.1016/j.preghy.2013.06.002.
von Dadelszen, P., Sawchuck, D., Justus Hofmeyr, G., Magee, L. A., Bracken, H., Mathai, M., Tsigas, E. Z., Teela, K. C., Donnay, F., & Roberts, J. M. (2013). PRE-EMPT (PRE-eclampsia-Eclampsia Monitoring, Prevention and Treatment): A low and middle income country initiative to reduce the global burden of maternal, fetal and infant death and disease related to pre-eclampsia. Pregnancy hypertension, 3(4), 199-202. https://doi.org/10.1016/j.preghy.2013.06.002
von Dadelszen, Peter, et al. "PRE-EMPT (PRE-eclampsia-Eclampsia Monitoring, Prevention and Treatment): A low and middle income country initiative to reduce the global burden of maternal, fetal and infant death and disease related to pre-eclampsia." Pregnancy hypertension vol. 3,4 (2013): 199-202. doi: https://doi.org/10.1016/j.preghy.2013.06.002
von Dadelszen P, Sawchuck D, Justus Hofmeyr G, Magee LA, Bracken H, Mathai M, Tsigas EZ, Teela KC, Donnay F, Roberts JM. PRE-EMPT (PRE-eclampsia-Eclampsia Monitoring, Prevention and Treatment): A low and middle income country initiative to reduce the global burden of maternal, fetal and infant death and disease related to pre-eclampsia. Pregnancy Hypertens. 2013 Oct;3(4):199-202. doi: 10.1016/j.preghy.2013.06.002. Epub 2013 Jun 19. PMID: 26103796.
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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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Women's attitudes, beliefs and values about tests, and management for hypertensive disorders of pregnancy.

BMC pregnancy and childbirth

Ahmed S, Brewer A, Tsigas EZ, Rogers C, Chappell L, Hewison J.
PMID: 34592942
BMC Pregnancy Childbirth. 2021 Sep 30;21(1):665. doi: 10.1186/s12884-021-04144-2.

BACKGROUND: Advances in research suggest the possibility of improving routine clinical care for preeclampsia using screening (predictive) and diagnostic tests. The views of women should be incorporated into the way in which such tests are used. Therefore, we explored...

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Ahmed S, Brewer A, Tsigas EZ, et al. Women's attitudes, beliefs and values about tests, and management for hypertensive disorders of pregnancy. BMC Pregnancy Childbirth. 2021;21(1):665doi: 10.1186/s12884-021-04144-2.
Ahmed, S., Brewer, A., Tsigas, E. Z., Rogers, C., Chappell, L., & Hewison, J. (2021). Women's attitudes, beliefs and values about tests, and management for hypertensive disorders of pregnancy. BMC pregnancy and childbirth, 21(1), 665. https://doi.org/10.1186/s12884-021-04144-2
Ahmed, Shenaz, et al. "Women's attitudes, beliefs and values about tests, and management for hypertensive disorders of pregnancy." BMC pregnancy and childbirth vol. 21,1 (2021): 665. doi: https://doi.org/10.1186/s12884-021-04144-2
Ahmed S, Brewer A, Tsigas EZ, Rogers C, Chappell L, Hewison J. Women's attitudes, beliefs and values about tests, and management for hypertensive disorders of pregnancy. BMC Pregnancy Childbirth. 2021 Sep 30;21(1):665. doi: 10.1186/s12884-021-04144-2. PMID: 34592942; PMCID: PMC8485426.
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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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Showing 1 to 12 of 22 entries