Povesti de succes - uefiscdi
Povesti de succes - uefiscdi
Povesti de succes - uefiscdi
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3) Implementarea unor noi meto<strong>de</strong> spectroscopice performante<br />
cu <strong>de</strong>tecţie moleculară amplificată plasmonic, ca<br />
<strong>de</strong> exemplu: spectroscopia Raman <strong>de</strong> tip SERS (Surface<br />
Enhanced Raman Spectroscopy), spectroscopia IR <strong>de</strong> tip<br />
SEIRA (Surface Enhanced IR Absorption), fluorescenţă amplificată<br />
MEF (Metal-Enhanced Fluorescence) şi senzoristică<br />
plasmonică <strong>de</strong> tip LSPR (Localized Surface Plasmon<br />
Resonance).<br />
4) Implementarea unor aplicaţii biomedicale cu impact<br />
în nanomedicină bazate pe proprietăţile optice, chimice şi<br />
termice ale nanoparticulelor <strong>de</strong> aur în <strong>de</strong>tecţia şi tratamentul<br />
la nivel celular al cancerului (hipertermie locală indusă<br />
laser) sau în evaluarea profilului <strong>de</strong> toxicitate a nanoparticulelor<br />
în medii celulare (în colaborare).<br />
Echipamente în Laboratorul <strong>de</strong><br />
microscopie Raman confocală<br />
combinatăcumicroscopie <strong>de</strong><br />
forţă atomică (AFM )<br />
Equipmentsinthe laboratory of<br />
confocal Raman microscopy<br />
combined withatomic force<br />
microscopy (AFM)<br />
5) Dezvoltarea <strong>de</strong> noi mo<strong>de</strong>le şi meto<strong>de</strong> <strong>de</strong> calcul riguros<br />
al câmpului electromagnetic a nanoparticulelor rezonante<br />
în câmp laser.<br />
Putem afirma că Centrul <strong>de</strong> Nanobiofotonică și Microspectroscopie<br />
Laser este în prezent nu numai continuatorul<br />
unei bogate tradiţii <strong>de</strong> cercetare în domeniul<br />
spectroscopiei optice dar şi un centru promotor care a introdus<br />
şi extins sfera tematică a cercetărilor în domeniul<br />
nanoştiinţelor şi nanotehnologiilor la Universitatea Babeş-<br />
Bolyai.<br />
Istoria <strong>de</strong>zvoltării infrastructurii<br />
<strong>de</strong> cercetare<br />
Deşi activitatea <strong>de</strong> cercetare ştiinţifică în domeniul spectroscopiei<br />
optice şi în special al spectroscopiei vibrationale<br />
prin metoda Raman are o lungă tradiţie la Universitatea<br />
Babeş-Bolyai, aşa ca în cazul majorităţii laboratoarelor universitare,<br />
şi aici s-a simţit o acută necesitate <strong>de</strong> a aduce infrastructura<br />
şi tematica <strong>de</strong> cercetare la nivel internaţional. În<br />
anul 2002 s-a înfiinţat Centrul <strong>de</strong> Nanobiofotonică si Microspectroscopie<br />
Laser condus <strong>de</strong> Prof. dr. Simion Aştilean<br />
prin alocarea unor spaţii <strong>de</strong> cercetare a<strong>de</strong>cvate în recent creatul<br />
pe atunci Institut <strong>de</strong> Cercetări Experimentale Interdisciplinare.<br />
În anii urmatori s-au câştigat mai multe granturi şi<br />
proiecte (grant intern al UBB, CNCSIS tip A, CEEX,<br />
CNCSIS tip IDEI) prin care au fost achiziţionate treptat<br />
echipamente <strong>de</strong> ultimă generaţie, după cum urmează:<br />
1. Microscop Raman Confocal cu scanner cuplat cu un<br />
modul <strong>de</strong> Microscopie <strong>de</strong> Forţă Atomică (Mo<strong>de</strong>l alpha300,<br />
Witec, Germany). Microscopul optic este echipat cu 4 obiec-<br />
4) Implementation of novel biomedical application of<br />
plasmonics in nanomedicine, like the laser-induced photothermal<br />
cancer therapy and the assessment of the toxicity<br />
profile of nanoparticles in cell cultures (in collaboration)<br />
5) Development of rigorous mo<strong>de</strong>ls and methods for<br />
computation of electromagnetic field of nanoparticles un<strong>de</strong>r<br />
laser excitation.<br />
It can be said that The Nanobiophotonics and Laser Microspectroscopy<br />
Center represents at Babes-Bolyai University<br />
not only the continuation of rich tradition in optical<br />
spectroscopy but also an important performer and promoter<br />
for research in nanoscience and nanotechnology.<br />
It can be said that The Nanobiophotonics and Laser Microspectroscopy<br />
Center represents at Babes-Bolyai University<br />
not only the continuation of rich tradition in optical<br />
spectroscopy but also an important performer and promoter<br />
for research in nanoscience and nanotechnology.<br />
Presentation of the Developed<br />
Research Infrastructure<br />
Despite the fact that the scientific research activity in<br />
optical spectroscopy and, in particular, in Raman spectroscopy<br />
at Babes-Bolyai University has a long tradition, as<br />
in the case of other university laboratories, a strong need for<br />
new research infrastructure and topics become evi<strong>de</strong>nt after<br />
1989. The Nanobiophotonics and Laser Microspectroscopy<br />
Center was created in 2002 by allocating rooms in the new<br />
building of the Institute for Interdisciplinary Experimental<br />
Research. Subsequently, a number or research projects and<br />
grants (CNCSIS – A, CEEX, CNCSIS – I<strong>de</strong>as, Babes-Bolyai<br />
University, etc) have allowed to finance the following equipments:<br />
1) Scanning Confocal Raman Microscope coupled with<br />
Atomic Force Microscope (Alpha300 mo<strong>de</strong>l, from Witec,<br />
Germany). The Optical Microscope is equipped with 4 objectives<br />
plan achromate of 0.3, 0.45, 0.8 and 1.25 numerical<br />
aperture and magnification of 10x, 20x and 100x (dry and<br />
oil immersion measurements), including one objective for<br />
AFM in liquids, color vi<strong>de</strong>o-camera, motorized focusing<br />
system, piezoelectric-driven scan platform. Confocal Raman<br />
System with following mo<strong>de</strong>s of operation: Raman spectral<br />
Plasmon Resonances – Let There Be Light on the Nanoscale<br />
5