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ELECTRICAL CHARACTERISTICS OF A BIOBATTERY WITH STAPHYLOCOCCUS AUREUS Figure 1. Biobattery representation In the first experiment by monitoring the cell voltage for 5 hours, a drift of OCV (open circuit voltage) appears from 0.46V to 0.42 V before activation. A maximum peak of 0.6 V was measured after biobattery activation. The short circuit current was of 0.2 mA. (Figure.2a). a b Figure 2. Voltage-time dependency. a) for 0.05M sodium acetate solution b) for 0.1M sodium acetate solution In the second experiment before activation the same drift appear (about 40mV) and after activation we measured a maximum cell voltage of 0.3 V and the short circuit current of 0.2mA (Figure 2b). In both cases the open circuit voltage remains at the constant values of 0.56V respectively 0.26 V for one month. Current-time curve and power curve, was recorded for the biobattery with increased OCV. 33
34 C. CĂŢĂNAŞ, M. MOGOŞ, D. HORVAT, E. JAKAB, E. M. RUS, I. O. MARIAN Figure 3. Short circuit current-time dependency 0.05M sodium acetate solution Initially, after the biobattery activation, a peak current of about 200 µA was registered. After 20 minutes, the limit current of about 20 µA was reached in agreement with the last point of the power curve (Figure 4). Figure 4. Power curve 0.05M sodium acetate solution
Page 1 and 2: R /(mol m -2 s -1 ) 0.06 0.05 0.04
Page 3 and 4: ANA-MARIA CORMOS, JOZSEF GASPAR, AN
Page 5 and 6: Studia Universitatis Babes-Bolyai C
Page 7 and 8: 6 PROFESSOR IOAN BÂLDEA AT HIS 70
Page 9 and 10: MARCELA ACHIM, DANA MUNTEAN, LAURIA
Page 15 and 16: STUDIA UNIVERSITATIS BABEŞ-BOLYAI,
Page 17 and 18: STUDIES ON WO3 THIN FILMS PREPARED
Page 25 and 26: PREPARATION AND CHARACTERIZATION OF
Page 31: 32 C. CĂŢĂNAŞ, M. MOGOŞ, D. HO
Page 35 and 36: C. CĂŢĂNAŞ, M. MOGOŞ, D. HORVA
Page 37 and 38: 38 ANA-MARIA CORMOS, JOZSEF GASPAR,
Page 39 and 40: ANA-MARIA CORMOS, JOZSEF GASPAR, AN
Page 49 and 50: 50 EUGEN DARVASI, LADISLAU KÉKEDY-
Page 61 and 62: MATHEMATICAL MODELING FOR THE CRYST
Page 71 and 72: STUDY OF THE CHROMATOGRAPHIC RETENT
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LOWER RIM SILYL SUBSTITUTED CALIX[8
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LOWER RIM SILYL SUBSTITUTED CALIX[8
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STUDIA UNIVERSITATIS BABEŞ-BOLYAI,
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THE INTERACTION OF SILVER NANOPARTI
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OPTIMISATION OF COPPER REMOVAL FROM
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MELINDA-HAYDEE KOVACS, DUMITRU RIST
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IRON DOPED CARBON AEROGEL AS CATALY
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128 ANDRADA MĂICĂNEANU, HOREA BED
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ANDRADA MĂICĂNEANU, HOREA BEDELEA
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CRISTINA MIHALI, GABRIELA OPREA, EL
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144 CRISTINA MIHALI, GABRIELA OPREA
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146 Interfering ion, J - I - DBS -
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CONCLUSIONS 148 CRISTINA MIHALI, GA
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150 CRISTINA MIHALI, GABRIELA OPREA
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152 D. MIHU, L. VLASE, S. IMRE, C.
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154 Intens. x105 1.5 1.0 0.5 0.0 x1
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D. MIHU, L. VLASE, S. IMRE, C. M. M
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162 A. PETER, M. BAIA, F. TODERAS,
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164 (a) V relative [%] (c) V relati
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A. PETER, M. BAIA, F. TODERAS, M. L
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BIOSORPTION OF PHENOL FROM AQUEOUS
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186 ANDREI ROTARU, MIHAI GOŞA, EUG
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ANDREI ROTARU, MIHAI GOŞA, EUGEN S
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194 OCTAVIAN STAICU, VALENTIN MUNTE
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ln(τ i / s) OCTAVIAN STAICU, VALEN
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204 MARIA ŞTEFAN, IOAN BÂLDEA, RO
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EXPERIMENTAL SECTION 210 MARIA ŞTE
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EQUILIBRIUM STUDY ON ADSORPTION PRO
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STRATEGIES OF HEAVY METAL UPTAKE BY
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CORROSION INHIBITION OF BRONZE BY A
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E / mV vs. SCE POTASSIUM-SELECTIVE
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POTASSIUM-SELECTIVE ELECTRODE BASED
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POTASSIUM-SELECTIVE ELECTRODE BASED
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256 CODRUTA VARODI, DELIA GLIGOR, L
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CODRUTA VARODI, DELIA GLIGOR, LEVEN
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PHARMACOKINETIC INTERACTION BETWEEN
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