Cac dau tay bi che dau gio day co the tim lai duoc
mot cach nhanh chong va dang tin cay nho vao hai phat trien moi trong cong nghe
nano.
Phuong phap hien thoi de tim lai dau tay bao gom viec phu len
be mat mot lop the van cua cac hat nano vang va cac ion citrat. Trong moi truong
axit, cac hat nano vang dinh vao cac hat tich dien duong trong dau tay. Dau tay
sau do se lo ro ra nho dung dich ion bac, dung dich nay phan ung hoa hoc de de
lai mot duong net bang bac doc theo cac go noi cua dau van tay.
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| (Anh minh hoa: Portarthurpd.com) |
Tuy nhien, dung dich vang su dung trong phuong phap nay khong ben va kho lap lai
cac ket qua – vi vat tien si Daniel Mandler, tien si Joseph Almog cung nhom
nghien cuu cua minh tai truong dai hoc Hebrew thuoc Jerusalem, Isarel, da phat
trien duoc mot dung dich ben hon, bang cach them chuoi hydrocarbon vao cac hat
nano vang va “treo” chung lo lung trong ete dau hoa.
Cac dau in duoc tao ra bang dung dich moi co chat
luong rat cao va hien ra rat ro chi sau ba phut o trong dung dich.
Nhom nghien cuu con mo rong ky thuat cua ho cho viec su dung
tren nhung be mat xop, bang cach su dung the van ete dau mo cua catmi selenua/kem
sunfua. Trong truong hop nay, phan ung hoa hoc lam cho cac dau tay phat huynh
quang, vi vay khong can phai them bat cu giai doan trung gian nao.
Ong Antonio Cantu, mot chuyen gia ve phap y cua Dich vu Bi mat Hoa Ky o
Washington, phat bieu: “Cac ky thuat nay mang tinh cach mang va co kha nang
cai thien rat lon su phuc hoi cac dau tay bi xoa bo de lam chung cu.”
Tien si Claude Roux, giam doc trung tam Phap Y tai truong dai
hoc Ky Thuat, Sydney, Uc, noi: “Viec su dung cong nghe nano cho nhung nguoi
chuyen thuc hien cong viec tim lai dau tay co the mang lai nhung giai phap thuc
te va moi la de lam lo ro cac dau tay bi che dau, bang khong nhung dau tay nay
se van mai khong tim ra".
Theo Sciencedaily, So KH & CN Dong NaiArticle source http://w4rum.com/640.t
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