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Aplicatii biomedicale ale spectroscopiei de THZ: Diagnosticarea

Aplicatii biomedicale ale spectroscopiei de THZ: Diagnosticarea

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Parteneri in consortiu:<br />

Coodonator: Universitatea din Bucuresti<br />

Partenerul 1: Institutul National <strong>de</strong> Cercetare-Dezvoltare<br />

pentru Fizica Laserilor, Plasmei si Radiatiei<br />

Partenerul 2: Institutul National <strong>de</strong> Cercetare-<strong>de</strong>zvoltare in<br />

Domeniul Patologiei si Stiintelor Biomedic<strong>ale</strong> “Victor Babes”<br />

Bugetul <strong>de</strong> stat:<br />

2.000.000 lei<br />

Valoarea proiectului<br />

Cofinantare:<br />

0 lei<br />

Site-urile proiectului <strong>THZ</strong> (62-055/2008):<br />

http://www.bio.unibuc.ro/in<strong>de</strong>x.php?option=com_content&view=articl<br />

e&id=165&Itemid=83<br />

http://ecs.inflpr.ro/currentproiect6.html


Imbunatatirea starii <strong>de</strong> sanatate a populatiei prin <strong>de</strong>zvoltarea unei<br />

meto<strong>de</strong> non-invaziva <strong>de</strong> <strong>de</strong>pistare precoce a cancerului <strong>de</strong> piele<br />

Elementele <strong>de</strong> noutate si originalitate <strong>ale</strong> proiectului:<br />

•Proiectarea si realizarea unor instalatii <strong>de</strong> THz care permit investigarea tumorilor pe<br />

adancimi <strong>de</strong> patrun<strong>de</strong>re <strong>de</strong> 300-400 μm si o rezolutie pe fiecare directie <strong>de</strong> 1 μm.<br />

•Extin<strong>de</strong>rea utilizarii la <strong>de</strong>terminari endoscopice folosind ghiduri <strong>de</strong> unda.<br />

•Analiza sistematica a caracteristicilor spectr<strong>ale</strong> in regiunea THz a probelor <strong>de</strong><br />

tesuturi din arhiva.<br />

•Analiza sistematica a gradului <strong>de</strong> hidratare (prin intermediul modului <strong>de</strong> hidratare<br />

controlata) asupra spectrelor probelor din arhiva.<br />

•Interpretarea spectrelor <strong>de</strong> THz prin meto<strong>de</strong> <strong>de</strong> mo<strong>de</strong>lare moleculara.<br />

Beneficiarii rezultatelor:<br />

Laboratoarele medic<strong>ale</strong> – aplicatii <strong>de</strong> diagnostic<br />

Laboratoarele <strong>de</strong> cercetare – studiul biomoleculelor


Finantare <strong>de</strong> la bugetul <strong>de</strong> stat: 221,061 lei; Cofinantare: 0 lei<br />

Activitati realizate:<br />

3.1 Optimizarea structurilor sistemelor biomolecuare prin meto<strong>de</strong> <strong>de</strong> dinamica moleculara<br />

3.2 Punerea la punct si testarea protoco<strong>ale</strong>lor <strong>de</strong> achizitie si transmisie <strong>de</strong> date<br />

CO:<br />

Obtinerea spectrelor THz teoretice si studiul influentei<br />

hidratarii asupra spectrelor calculate.<br />

3.3 Obtinerea spectrului prin meto<strong>de</strong> <strong>de</strong> analiza <strong>de</strong> moduri norm<strong>ale</strong> <strong>de</strong> vibratie<br />

3.4 Influenta straturilor <strong>de</strong> hidratare asupra spectrelor <strong>de</strong> vibratie calculate<br />

3.5 I<strong>de</strong>ntificare "amprentei spectr<strong>ale</strong>" <strong>ale</strong> proteinlor<br />

3.6 Corelatii spectre calculate-spectre experiment<strong>ale</strong><br />

3.7 Depen<strong>de</strong>ntra spectrelor <strong>de</strong> gradul <strong>de</strong> hidratare<br />

3.8 Calcularea spectrului <strong>de</strong> THz prin meto<strong>de</strong> dinamica moleculara<br />

P1:<br />

Proiectarea instalatiei THz-TDS prin reflexie si a<br />

modulelor <strong>de</strong> hidratare controlata.<br />

P2:<br />

<strong>Diagnosticarea</strong> histopatologica si alcatuirea loturilor <strong>de</strong><br />

studiu pentru carcinoame bazocelulare si<br />

spinocelulare.<br />

3.9 Comparatia meto<strong>de</strong>i <strong>de</strong> analiza <strong>de</strong> moduri norm<strong>ale</strong> si dinamica moleculara<br />

3.10 Proiectarea instalatiei THz cu sursa <strong>de</strong> banda larga pentru spectroscopie THz TDS prin<br />

reflexie<br />

3.11 Proiectarea si realizarea modulelor <strong>de</strong> hidratare controlata a probelor<br />

3.12 Clasificarea histopatologica a carcinoamelor bazocelulare<br />

3.13 Alcatuirea lotului <strong>de</strong> studiu (carcinoame bazocelulare) - material arhivat in parafina<br />

3.14 Diagnostic histopatologic complet al tumorilor, conform preve<strong>de</strong>rilor OMS<br />

3.15 Suplimentarea lotului <strong>de</strong> studiu prin continuarea selectarii <strong>de</strong> material arhivat in parafina<br />

3.16 Diagnostic histopatologic complet al tumorilor, conform preve<strong>de</strong>rilor OMS<br />

3.17 Alcatuirea unui nou lot <strong>de</strong> studiu (carcinoame spinocelulare) - material arhivat in parafina<br />

3.18 Diagnostic histopatologic complet al tumorilor, conform preve<strong>de</strong>rilor OMS<br />

Achizitii realizate: 477 lei – Materi<strong>ale</strong> si materii prime<br />

13.890 lei – Echipamente CD


Credit <strong>de</strong> angajament: 40,000 lei; Cofinantare: 0 lei<br />

Activitati:<br />

CO<br />

P1<br />

P2<br />

4.1 Adapatarea softului pentru utilizari cu mijloace<br />

reduse <strong>de</strong> calcul<br />

4.2 Realizarea montajului experimental <strong>de</strong><br />

spectroscopie TDS bazat pe sursa THz <strong>de</strong> banda<br />

larga si putere mica prin reflexie<br />

4.3 Extin<strong>de</strong>rea cercetarii prin studierea unui lot <strong>de</strong><br />

10 cazuri melanoame cutanate - material arhivat in<br />

parafina<br />

Achizitii realizate: 14.154 lei – Materi<strong>ale</strong> si materii prime


Ob. Specific 9. “Stabilizarea” tinerilor in echipa <strong>de</strong> specialisti (<strong>de</strong>finitivari <strong>de</strong> doctorate,<br />

masterat – doctorat) si angajarea a cel putin 1 tanar in fiecare Centru <strong>de</strong> cercetare din<br />

institutiile partenere la proiect.<br />

Doctoranzi: 5 ( Drd. Maria Mernea, anul II: ”Investigarea structurii tridimension<strong>ale</strong> si a<br />

flexibilitatii proteinelor prin meto<strong>de</strong> <strong>de</strong> mo<strong>de</strong>lare moleculara si spectroscopie <strong>de</strong><br />

THz” )<br />

Post-doctorat: 1<br />

Stu<strong>de</strong>nti licenta: 3<br />

Stu<strong>de</strong>nti masterat: 2 (lucrari <strong>de</strong> dizertatie sustinute pe tematica proiectului 2009)<br />

1 tanar angajat cu contract <strong>de</strong> munca - Brandus Catalina Alice – Masteranda ( P1: INFLPR)<br />

Sustinerea unui seminar cu titlul “Studiul flexibilitatii biomoleculelor prin spectroscopie <strong>de</strong><br />

THz si mo<strong>de</strong>lare moleculara” <strong>de</strong>stinat stu<strong>de</strong>ntilor <strong>de</strong> anul II, masterul <strong>de</strong> Neurobiologie.


Documentatii:<br />

4<br />

Planuri/scheme:<br />

3<br />

Setup<br />

experimental: 2<br />

Protoco<strong>ale</strong> <strong>de</strong><br />

diagnostic: 3<br />

Mo<strong>de</strong>le<br />

teoretice: 4<br />

Meto<strong>de</strong><br />

optimizate: 5<br />

Articole<br />

in<strong>de</strong>xate ISI: 4<br />

Contributii la<br />

carti: 3<br />

Participari la<br />

conferinte:14<br />

Baze <strong>de</strong> date <strong>de</strong> proteine cu structuri cunoscute specifice pielii norm<strong>ale</strong> si specifice fiecarui<br />

tip <strong>de</strong> cancer epitelial (carcinoamelor bazocelulare, spinocelulare si melanoame).<br />

Proiecte pentru instalatia THz-TDS prin transmisie, instalatia THz-TDS prin reflexie si<br />

proiectele modulelor <strong>de</strong> hidratare controlata a probelor.<br />

Instalatia THz-TDS prin transmisie si instalatia THz-TDS prin reflexie.<br />

Protoco<strong>ale</strong> <strong>de</strong> diagnostic complet al carcinoamelor bazocelulare, spinocelulare si<br />

melanoame.<br />

Mo<strong>de</strong>le structur<strong>ale</strong> (3D) pentru solutii proteice <strong>de</strong> diferite concentratii (solutii diluate –<br />

solutii extrem <strong>de</strong> concentrate)<br />

Meto<strong>de</strong> <strong>de</strong> simulare a spectrelor THz, meto<strong>de</strong> <strong>de</strong> mo<strong>de</strong>lare a sistemelor biomoleculare.<br />

2 articole in Journal of Optoelectronics and Advanced Materials (factor impact 0.433) si 2<br />

articole in Proceedings of SPIE (in<strong>de</strong>xat ISI In<strong>de</strong>x to Scientific and Technical Proceedings ).<br />

Ovidius University Press, Constanta (ISBN 978-973-614-507-0), IEEE Photonics Society,<br />

Piscataway (ISBN 978-1-4244-3848-8), in press SPRINGER ( NATO Science for Peace and<br />

Security Series B: Physics and Biophysics)<br />

- internation<strong>ale</strong>: 10 (7 conferinte in strainatate si 3 conferinte in tara)<br />

- nation<strong>ale</strong>/loc<strong>ale</strong>: 4


- Necesarul <strong>de</strong> finantare pentru 2011: 913.292 lei<br />

Elementele <strong>de</strong> originalitate se mentin in proportie <strong>de</strong> 100%.<br />

Obiectivele gener<strong>ale</strong> si specifice <strong>ale</strong> proiectului raman neschimbate.<br />

Activitatile prevazute a se realiza:<br />

CO:<br />

-Comparatie intre spectrele THz <strong>ale</strong> tesuturilor norm<strong>ale</strong> si<br />

tumor<strong>ale</strong>;<br />

- Corelatii spectre teoretice – spectre experiment<strong>ale</strong><br />

P1:<br />

- Obtinerea imaginilor 3D pe probe biologice arhivate cu grosimi<br />

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