Đánh giá khả năng phát hiện trực tiếp gen độc tố của bacillus cereus trong một số thực phẩm có nguồn gốc từ gạo bằng kỹ thuật multiplex PCR

Y Hgc VI^T NAM THANG 6 - SO 1/2011

Tnfc nil On c&u <nun)

Biiu Oo /Tu'dng quan giiJa dp day RNFL va true nhan a u

Bieu do tren cho thay true nhan c3u cang

gan thi dp day RNFL cang tSng va ngu'dc lat.

ol tu'dng quan tuyen tinh ngu'dc chieu nay cd 9

jhTa thong ke vdi p < 0,001 va r = - 0,67.

K i t qua nay cung phu hdp vdi nghl§n ciili

ja Huynh son va Bayraktar [2], tuy nhien he so

Wng quan ciia Bayraktar tim du'dc thap hdn

lap hdn (r = -0,21). Sy khac biet cd the do doi

rdng nghien cuTj khac nhau, phu'dng phap do

uc dai tru'dc sau nhan cSu khac nhau, Bayraktar

jng sieu am A con chiing toi diing IOL (faster.

^dz te true nhan rau do bang sieu am A cho ket

ja ngan hdn so vdi dung lOLr^aster [6].

. KET LUAN

Dp day RNFL trung binh d nhom mat can thj

99,65pm va vien thi la 112,59Mm. Dp day

'^FL giam dan tir tren, du'dl, mui va thai du'dng.

3 day RNFL cd moi tu'dng quan tuyen tinh

uan chieu vdi mu'c dp TKX va ngu'dc chieu vdi

jc dai tn/dc sau ciia nhan cau.

l Al UEU THAM KHA O

1. Nguyen Vdn Lien (1998), "O^nh gii ttnh hinh

c?n thi trong hpc sinh d tinh Nam Dinh n3m hoc

1997 -1998", Luan vSn thac sy y hoc - Tru'dng Dai

hoc Y Ha Npi.

2 Bayraktar et al. (2001), "Influence of scan

radius correction for ocular magnification and

relationship between scan radius with retinal nerve

fiber layer thickness measured by OCT", J

Glaucoma, vol 10, PP 163 -169.

3 Karia Zadnik et al. (2003), "Ocular component data

in schooktilMren as a function of age and gender".

Optometry and Vision Sdence, vol 80(3), PP 226 - 236.

4. Son C. Huynh et al. (2006), "Peripapillary

retina! nerve fiber layer thickness in a population

of 6 year old children". The American Academy of

Ophthalmology, vol 113, PP 1583 -1592.

5. Sung-Won Choi et al. (2006), 'Thickness

changes in the fovea and peripapillary retinal

nerve fiber layer depend on the degree of

myopia", Korean Journal of Ophthalmology, vol

20(4), PP 215 - 219.

6. Tung M Quoc (2003), "Protocol for IOL

Master", Sydney Myopia Study.

DAN H GIA KHA NANG PHAT HIEN TROt TIEP GEN DOC TO

( CUA BACILLUS CEBEUSJmm MOT SO THUD PHAM CO NGUdN GOC TUTGAO

BANG KY THUAT MULTIPLEX PCR

Ira n Huy Hoang^/ NguySn Thj Anh Tuyet^, Pham Nguyet Minh^ Le Huy Hoang^

Nguyen Kien Dy^ Nguyen Thj Ha \ Tran Van Khanh^ va Ta Thanh Van^

'MTAT

Ngd dpc thu'c pham gay tieu chay bdi Bacillus

HIS (B. cereus) Ici do tac dpng cua ba lo^i dpc ^

nj$t bao gom d^c to ly giai hong cau (Hbl), khong ly

glal hong cau (Nhe) va dpc to rupt (BceT) g3y ra.

Nghien ciili nay nhSm daiih gia kha nang phat hien

hyt dep cac gen dgc ^ gay deu chay aia B. txreus

trudng Dai hgc Y Ha Noi, ^ Wen V$ mh Dich te Trung udng,

•n Dinh Du'dng Qudc Gia, ^ Trung tarn Y te Huyen Me Llnh, Ha Ngi

h biin khoa hoe: PGS.TS. Nauuen Thi Hd 25