Ana-Maria Chiorcea Paquim
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Data da última atualização
»Last update
:
26/01/2012 |
Dados pessoais (Personal data)
Nome completo
Full name |
Ana-Maria Chiorcea Paquim |
Nome em citações bibliográficas
Quoting name |
Chiorcea Paquim, Ana-Maria |
Sexo
Gender |
Feminino»Female |
Graus Académicos
(Academic Degrees)
| 1999-2003 |
Doutoramento
Phd |
Técnicas Bioquímicas
(4 anos » years)
.
Universidade de Coimbra,
Portugal.
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| 1993-1999 |
Mestrado
Master degree |
Biofísica, Faculdade de Física
(2 anos » years)
.
Universidade de Bucareste,
Roménia.
Instituição portuguesa que atribuiu reconhecimento/equivalência/registo » Portuguese Instituition providing acknowledgement/equivalence/registry
: Universidade de Coimbra.
Com o tipo » With the type:
Reconhecimento » Acknowledgement.
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| 1993-1997 |
Licenciatura
Licentiate degree |
Faculdade de Física
(4 anos » years)
.
Universidade de Bucareste,
Roménia.
Com o tipo » With the type:
Reconhecimento » Acknowledgement.
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Vínculos profissionais
(Professional Positions)
| Jun/2009-Actual |
Investigador Auxiliar |
| Dez/2006-Mai/2009 |
Outra Situação |
| Dez/2003-Dez/2006 |
Outra Situação |
| Out/1999-Dez/2003 |
Outra Situação |
| Out/1998-Set/1999 |
Outra Situação |
| Institute of Public Health |
| Nov/1996-Jul/1997 |
Outra Situação |
Estágios realizados (Traineeships)
| Institute of Public Health |
Produção científica, técnica e artística/cultural
(Scientific, technical and artistical/cultural
production)
Artigos em revistas com arbitragem científica
Papers in periodics with scientific refereeing |
| 1. |
Pontinha, Ana D. R; Jorge, Sônia M. A; Chiorcea Paquim, A; Diculescu, Victor C; Oliveira-Brett, Ana M. 2011. "In situ evaluation of anticancer drug methotrexate–DNA interaction using a DNA-electrochemical biosensor and AFM characterization", Physical Chemistry Chemical Physics 13, 12: 5227 - 5227.
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| 2. |
Enache, Teodor A; Chiorcea-Paquim, Ana-Maria; Fatibello-Filho, Orlando; Oliveira Brett, A. M. 2009. "Hydroxyl radicals electrochemically generated in situ on a boron-doped diamond electrode", Electrochemistry Communications 11, 7: 1342 - 1345.
The hydroxyl radicals electrochemically generated in situ on a boron-doped diamond (BDD) electrode have been investigated
for the first time in different electrolyte media, over the whole pH range between 1 and 11. A more extensive characterisation
of BDD electrochemical properties is very important to understand the reactivity of organic compounds towards electrochemical
oxidation on the BDD electrode, which is related to their interaction with adsorbed hydroxyl radicals due to water oxidation
on the electrode surface. An oxidation peak corresponding to the transfer of one electron and one proton was observed in pH
<9 electrolytes, associated with the water discharge process and electrochemical generation of hydroxyl radicals, which can
interact and enhance the electro-oxidation of organic compounds. In pH >9 electrolytes the electrochemical generation of hydroxyl
radicals was not observed; ammonia buffer electrolyte gave a pH-independent peak corresponding to the ammonia oxidation reaction.
Additionally, for most pH values studied, a few small peaks associated with the electrochemical interaction between non-diamond
carbon species on the doped diamond electrode surface and the electrolyte were also seen, which suggests that the doped diamond
is relatively unreactive, but not completely inert, and the electrogenerated hydroxyl radicals play a role as mediator in
the oxidation of organics.
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| 3. |
Oliveira, Severino C. B.; Paquim, Ana M. C; Ribeiro, Sofia M; Melo, André T; Vivan, Marilene; Brett, Ana M. O. 2009. "In situ electrochemical and AFM study of thalidomide-DNA interaction", Bioelectrochemistry (Amsterdam) 76, 1-2: 201 - 207. |
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| 4. |
Paquim, Ana M. C; Corduneanu, Oana; Oliveira, Severino C. B.; Diculescu, Victor C; Brett, Ana M. O. 2009. "Electrochemical and AFM evaluation of hazard compounds DNA interaction", Electrochimica Acta 54, 7: 1978 - 1985.
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| 5. |
Chiorcea Paquim, A; Oliveira-Brett, Ana M. 2004. "Atomic force microscopy characterization of an electrochemical DNA-biosensor", Bioelectrochemistry 63, 1-2: 229 - 232.
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| 6. |
Chiorcea Paquim, A; Oliveira-Brett, Ana M; Oretskaya, A.T.S.. 2004. "AFM and electroanalytical studies of synthetic oligonucleotide hybridization", Biosensors and Bioelectronics 20, 5: 933 - 944.
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| 7. |
Oliveira-Brett, Ana M; Chiorcea Paquim, A. 2003. "Effect of pH and applied potential on the adsorption of DNA on highly oriented pyrolytic graphite electrodes. Atomic force
microscopy surface characterisation", Electrochemistry Communications 5, 2: 178 - 183.
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| 8. |
 Oliveira-Brett, Ana M; Chiorcea Paquim, A. 2003. "Atomic Force Microscopy of DNA Immobilized onto a Highly Oriented Pyrolytic Graphite Electrode Surface", Langmuir 19, 9: 3830 - 3839.
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| 9. |
Chiorcea, A.-M; Oliveira-Brett, A.M. 2002. "Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode", Bioelectrochemistry 55, 1-2: 63 - 65.
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| 10. |
Oliveira-Brett, Ana M; Piedade, José A. P; Chiorcea Paquim, A. 2002. "Anodic voltammetry and AFM imaging of picomoles of adriamycin adsorbed onto carbon surfaces", Journal of Electroanalytical Chemistry 538539, 538–539: 267 - 276.
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