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@article{Barbot:2021:10.1002/advs.202004643,
author = {Barbot, A and Wales, D and Yeatman, E and Yang, GZ},
doi = {10.1002/advs.202004643},
journal = {Advanced Science},
pages = {1--10},
title = {Microfluidics at fibre tip for nanolitre delivery and sampling},
url = {http://dx.doi.org/10.1002/advs.202004643},
volume = {8},
year = {2021}
}
TY - JOUR
AB - Delivery and sampling nanolitre volumes of liquid can benefit new invasive surgical procedures.However, the dead volume and difficulty in generating constant pressure flow limits the use of small tubes such as capillaries.This work demonstrates sub-millimetre microfluidic chips assembled directly on the tip of a bundle of two hydrophobic coated 100 μm capillaries to deliver nanolitre droplets in liquid environments.Droplets are created in a specially designed nanopipette and propelled by gas through the capillary to the microfluidic chip where a passive valve mechanism separates liquid from gas, allowing their delivery.By adjusting the driving pressure and microfluidic geometry we demonstrate both partial and full delivery of 10 nanolitre droplets with 0.4 nanolitre maximum error, as well as sampling from the environment.This system will enable drug delivery and sampling with minimally invasive probes, facilitating continuous liquid biopsy for disease monitoring and in-vivo drug screening.
AU - Barbot,A
AU - Wales,D
AU - Yeatman,E
AU - Yang,GZ
DO - 10.1002/advs.202004643
EP - 10
PY - 2021///
SN - 2198-3844
SP - 1
TI - Microfluidics at fibre tip for nanolitre delivery and sampling
T2 - Advanced Science
UR - http://dx.doi.org/10.1002/advs.202004643
UR - https://onlinelibrary.wiley.com/doi/10.1002/advs.202004643
UR - http://hdl.handle.net/10044/1/88018
VL - 8
ER -