期刊
LAB ON A CHIP
卷 13, 期 24, 页码 4827-4831出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3lc50915j
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资金
- National Institutes of Health [R01CA155305, U54CA151838, R21CA173390]
- National Science Foundation [0967375, 1159771]
- NATIONAL CANCER INSTITUTE [R21CA173390, R01CA155305, U54CA151838] Funding Source: NIH RePORTER
This paper demonstrates a facile method of generating precise serial dilutions in the form of droplets on an open surface platform. The method relies on the use of surface energy traps (SETs), etched areas of high surface energy on a Teflon coated glass substrate, to assist in the magnetic manipulation of droplets to meter and dispense liquid of defined volumes for the preparation of serial dilutions. The volume of the dispensed liquid can be precisely controlled by the size of the SETs, facilitating generation of concentration profiles of high linearity. We have applied this approach to the generation of serial dilutions of antibiotics for anti-microbial susceptibility testing (AST).
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