Potrivit unei postări pe site-ul Universităţii „Alexandru Ioan Cuza” din Iaşi, un grup de cercetători ai Laboratorului de Biofizică Moleculară şi Celulară din cadrul Facultăţii de Fizică (Institutul de Cercetări Interdisciplinare) a introdus, încă din anul 2019, o metodă de depistare timpurie a infecţiilor produse de agenţii patogeni, bacterieni sau virali, bazată pe detecţia rapidă a unor fragmente scurte de acizi nucleici.
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Această metodă ar putea sta la baza realizării unor dispozitive portabile, mai ieftine şi mai uşor de utilizat decât cele curente, utile în detecţia în unităţi mobile a fragmentelor de acizi nucleici, care ar putea fi foarte utilizate în diferite situaţii sociale, inclusiv în cea generată de COVID-19.
„În acest demers s-au combinat două tehnologii moderne, şi anume detecţia şi investigarea individuală a moleculelor cu ajutorul nanoporilor proteici, precum şi hibridizarea mai eficientă oferită de o specie particulară de polinucleotide, denumite ‘eptide nucleic acids -PNA’. Rezultatele obţinute, validate în comunitatea ştiinţifică, demonstrează nu doar posibilitatea detecţiei unor concentraţii nano-molare de acizi nucleici scurţi (10-15 secvenţe nucleotidice), în timp real (deziderat aproape imposibil pentru tehnologiile curente), dar şi posibilitatea evidenţierii imediate şi tot în timp real a unor eventuale mutaţii în respectivele secvenţe nucleotidice”, declară Tudor Luchian.
Conform postării, rezultatele ştiinţifice fundamentale obţinute de conf. univ. dr. Loredana Mereuţă, cercetător ştiinţific 2 dr. Alina Asandei, cercetător ştiinţific 3 dr. Irina Şchiopu şi prof.univ.dr. Tudor Luchian au fost validate de comunitatea stiinţifică internaţională prin publicarea în reviste de impact ale American Chemical Society.
Cum ne protejăm împotriva coronavirusului
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Eugen Tomac, premier desemnat
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Politic
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