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MEMSnet Home: MEMS-Talk: flowing in rhodamine in pdms channel
flowing in rhodamine in pdms channel
2009-09-20
김태진
2009-09-20
Peng Li
2009-09-20
Hong Chen
2009-09-21
Dirk Renckens - TNW
2009-09-20
Depue, Clayton - In-Q-Tel
2009-09-20
amit asthana
flowing in rhodamine in pdms channel
Hong Chen
2009-09-20
Hi TJ,

BSA, bovine serum albumin, can block some porous matrix of PDMS. By
incubation concentrated BSA in channels overnight, adsorbed/absorbed
Rhodamine can be reduced.

HC

On Sat, Sep 19, 2009 at 8:03 PM, 김태진  wrote:

> Hi all,
>
> I've been trying to flow in fluorescence die (Rhodamine) in a PDMS
> microfluidic channel to do some flow characterizations.
>
> The problem is, the vicinity of the pdms channel became bright as well
> after about 5 minutes.
>
> It almost seemed like that the fluoresent die was diffused into the pdms.
>
> Is there a way to solve this problem?
>
> Thanks!
>
> TJ

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