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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lyulev, Mihail P. Bojinov, Vladimir B. Georgiev, Nikolai I. |
| Description | Country affiliation: Bulgaria Author Affiliation: Georgiev NI ( Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Str., 1756 Sofia, Bulgaria.) |
| Abstract | An ester terminated dihydroimidazonaphthalimide as multi-functional logic device is presented. Due to the optical changes as a function of pH this simple molecule is able to act as a molecular pH metre, a digital comparator and a half-adder. It was demonstrated that the dihydroimidazonaphthalimide comparator could be used as a fundamental element of an optical device for control of pH windows. Also, the ability of the device to detect metal ions in DMF and in water/DMF (3:1, v/v) at different pHs has been evaluated by monitoring the changes of its fluorescence intensity. Among the tested metal ions (Cd(2+), Co(2+), Cu(2+), Fe(3+), Ni(2+), Pb(2+), Zn(2+), Bi(3+), Hg(2+) and Ag(+)) only Fe(3+) and Bi(3+) were efficiently detected. In water/DMF (3:1, v/v) XOR and XNOR logic gates are presented using pH and Fe(3+) as chemical inputs based on encoding binary digits of logical conventions. |
| ISSN | 13861425 |
| Volume Number | 97 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-11-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electrons Esters Chemistry Light Naphthalimides Absorption Cations Coloring Agents Dimethylformamide Hydrogen-ion Concentration Metals Solutions Spectrometry, Fluorescence Water Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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