Results 11 to 20 of about 3,955 (225)

Riboflavin (Vitamin B2) Assay by Adsorptive Cathodic Stripping Voltammetry (Adcsv) at the Hanging Mercury Drop Electrode (HMDE) [PDF]

, 2015
In this study the interactions of Riboflavin (Vitamin B2) with a mercury surface are investigated. Firstly, by using Cyclic Voltammetry, it is demonstrated that Riboflavin can be efficiently accumulated, by adsorption from buffered solutions containing
GUIDA, MARCO, SALVATORE, FRANCESCO, SALVATORE, MARIA MICHELA   +2 more
core   +1 more source

Electrochemical methods for speciation of trace elements in marine waters. Dynamic aspects [PDF]

, 2013
The contribution of electrochemical methods to the knowledge of dynamic speciation of toxic trace elements in marine waters is critically reviewed. Due to the importance of dynamic considerations in the interpretation of the electrochemical signal, the
A. M. Mota, Blake A. C., Boussemart M., Branica M., Bruland K. W., Buck K. N., Buffle J., Buffle J., Buffle J., Buffle J., Byrne R., Campbell P. G. C., Daniele S., Davison W., de Carvalho L. M., de Jong H. G., Domingos R. F., Donat J. R., Duval J. F. L., Duval J. F. L., Duval J. F. L., Eigen E., Ellwood M. J., Estela J. M., Florence T. M., Florence T. M., Fontes C. L., Fuoss R., Galceran J., Galceran J., Gerringa L. J. A., Hering J. G., Huiliang H., Hurst M. P., J. P. Pinheiro, Jagner D., Jakuba R. W., La Pera L., Louis Y., Louis Y., Lyklema J., M. L. Simões Gonçalves, Margerum D. W., Martino M., Moffett J. W., Molina A., Molina A., Morel F. M. M., Mota A. M., Muller F. L. L., Nuester J., Nürnberg H., Omanovic D., Parat C., Pesavento M., Pinheiro J., Pinheiro J. P., Pinheiro J. P., Pinheiro J. P., Pinheiro J. P., Puy J., Raspor B., Salaun P., Salvador J., Salvador J., Salvador J., Sander S., Santos-Echeandía J., Scarano G., Serrano N., Serrano N., Sigg L., Slaveykova V. I., Tercier-Waeber M. L., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Town R. M., Turner A., van den Berg C. M. G., Van den Berg C. M. G., van den Berg C. M. G., van Leeuwen H., van Leeuwen H., van Leeuwen H., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., van Leeuwen H. P., Vandenhecke J., Waeles M., Wang J., Zhang Z., Zhang Z., Zhang Z., Zhang Z., Zhang Z., Zima J., Zirino A.   +118 more
core   +1 more source

Species sensitivity of zeolite minerals for uptake of mercury solutes [PDF]

, 2006
The uptake of inorganic Hg2+ and organometallic CH3Hg+ from aqueous solutions by 11 different natural zeolites has been investigated using a batch distribution coefficient (Kd) method and supported by a preliminary voltammetric study.
A. Chimedtsogzol, A. Dyer, Boudou, Campbell, Cotton, Fergusson, Garcia, L. S. Campbell, Meier, Meyer, Rice, Sersen, Tsitsishvili, Weitkamp   +13 more
core   +2 more sources

Determination of ametryn in soils via microwave-assisted solvent extraction coupled to anodic stripping voltammetry with a gold ultramicroelectrode [PDF]

, 2005
An extraction-anodic adsorptive stripping voltammetric procedure using microwave-assisted solvent extraction and a gold ultramicroelectrode was developed for determining the pesticide ametryn in soil samples.
Delerue-Matos, Cristina, Morais, Simone, Paíga, Paula, Tavares, Oriza   +3 more
core   +1 more source

Square-Wave Voltammetry: A Review on the Recent Progress [PDF]

, 2013
A review on the recent progress of square-wave voltammetry is presented, covering the period of the last five years. The review addresses the new theoretical development of the technique as well as its application for mechanistic purposes, electrode ...
Bogeski, Ivan, Gulaboski, Rubin, Hoth, Markus, Kappl, Reinhard, Lovrić, Milivoj, Mirceski, Valentin   +5 more
core   +1 more source

Label-free electrochemical monitoring of DNA ligase activity [PDF]

, 2008
This study presents a simple, label-free electrochemical technique for the monitoring of DNA ligase activity. DNA ligases are enzymes that catalyze joining of breaks in the backbone of DNA and are of significant scientific interest due to their essential
Ahel I., Bellamy S. R., Borodina T. A., Bullard D. R., Cahova-Kucharikova K., Cao W. G., Doherty A. J., Fadrna R., Fojta M., Fojta M., Fojta M., Fojta M., Fojta M., Fojta M., Friedberg E. C., Gowers D. M., Heiter D. F., Kucharikova K., Liu L. F., Palecek E., Pascal J. M., Rass U., Schrock R. D., Scott B. O. S., Shuman S., Tomkinson A. E., Vacek J., Wilkinson A., Wilkinson A., Zauner G.   +29 more
core   +1 more source

Electrochemical sensors and devices for heavy metals assay in water: the French groups’ contribution [PDF]

, 2014
A great challenge in the area of heavy metal trace detection is the development of electrochemical techniques and devices which are user-friendly, robust, selective, with low detection limits and allowing fast analyses.
Evrard, David, Freyssinier, Mathilde, Groenen Serrano, Karine, Gros, Pierre, Pujol, Luca, Ruffien-Ciszak, Audrey   +5 more
core   +3 more sources

Electrochemical methods in pesticides control [PDF]

, 2004
The state of the art of voltammetric and amperometric methods used in the study and determination of pesticides in crops, food, phytopharmaceutical products, and environmental samples is reviewed.
Delerue-Matos, Cristina, Garrido, E. Manuela, Lima, J. L. F. C., Oliveira-Brett, A. M.   +3 more
core   +1 more source

Determination of concentration of saturated ferrocene in aqueous solution [PDF]

, 2013
The solubility of ferrocene in aqueous solution is known to be approximately 0.04 mmol/dm3. The solubility values determined by voltammetry have been overestimated because of adsorption on electrodes.
63583, 63584, 63585, 63586, 63587, Aoki, Koichi Jeremiah, Chen, Jingyuan, Nishiumi, Toyohiko, Ouyang, Chun, Wang, Bo   +9 more
core   +1 more source

A screen-printed carbon electrode modified with a chitosan-based film for in situ heavy metal ions measurement [PDF]

, 2018
SEM images and FTIR data of the working electrode surface showed that Mn+ ions were adsorbed on chitosan (Chit) and crosslinked chitosan-carbon nanotube (Chit-CNT) films.
Wang, J. (Je-Chuang), Wu, K. (Kuo-Hui), Yan, B. (Bing-De), Yu, S. (Shin-Yi)   +3 more
core   +1 more source