標題: Helmholtz Coils with Integrated Channels for NMR Spectroscopy[EPFL] [打印本頁] 作者: mt7344 時間: 2007-6-7 10:14 PM 標題: Helmholtz Coils with Integrated Channels for NMR Spectroscopy[EPFL] ABSTRACT& R" E8 N1 k3 N' I
A new technology for the microfabrication of Helmholtz1 \) h' X8 [8 p l, I
microcoils with integrated SU-8 channels for NMR4 h4 b1 R% j, v5 h; J
spectroscopy is presented.6 n3 a" j( |4 E* U1 v
These Helmholtz microcoils demonstrate superior NMR/ T& q$ x- X( N ?3 D
performance regarding spin excitation uniformity compared0 A8 X$ P( P1 W6 f( R0 U
to planar microcoils. The improved spin excitation& u$ R) S8 U) |, }! K. a0 ^
uniformity opens the way to advanced chemical analysis & ?3 X5 d$ \- {4 Susing complex RF-pulse sequences. - a" d, V$ a8 x9 \, E6 S, [+ oThe fabricated Helmholtz coils have Q-factor greater than b2 C( s& w' U# u8 e
20 due to electroplated coil turns and vias, which connect the4 M" \4 u: p& [' {2 e" n% V7 c
upper and lower turns. The laminated SU-8 microchannel" W& S3 \1 W( l5 q4 [3 n
technology allows the implementation of further fluidic 4 t0 E8 z$ Z, p& @- P( K& J' \$ nfunctions. Analyzing living cells, mechanical filters can be / r2 L4 c$ l L/ u# Z- Lintegrated for sample concentration and enhanced detection./ k8 T( q: N& { J
. X1 \5 ]3 ]7 U2 c X( i6 [. u, G* K網路上抓的 paper, 希望對大家有幫助!!' e m7 B. ~' M% P' K
權限10 & RDB=3 6 P, ?& ^ R7 { k$ [ s% \. N& e1 h K& u
5 L* i& n s2 Y3 N T6 w' R a- i8 u4 n0 D7 U: ]6 b ! m! i' _4 ?" G[ 本帖最後由 mt7344 於 2007-6-7 10:15 PM 編輯 ]