Evidence map›Paper›PMID 29931005›Full record

ArticleLab on a chip2018

A hydrostatic pressure-driven passive micropump enhanced with siphon-based autofill function.

Xiaolin Wang, Da Zhao, Duc T T Phan, Jingquan Liu, Xiang Chen, Bin Yang, Christopher C W Hughes, Weijia Zhang, Abraham P Lee

Abstract read
In one paragraph

Article in Lab on a chip, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Xiaolin WangDepartment of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
Da Zhao
Duc T T Phan
Jingquan Liu
Xiang Chen
Bin Yang
Christopher C W Hughes
Weijia Zhang
Abraham P Lee

Funding

Univ.of Calif., Irvine Cancer Center Support GrantP30CA062203 · NCI · UNIVERSITY OF CALIFORNIA-IRVINE · PI Christine Hui · 1994 to 2026
$57.9M
University of California Health Participation in the National COVID Cohort Collaborative (N3C)UL1TR001414 · NCATS · UNIVERSITY OF CALIFORNIA-IRVINE · PI COOPER, DAN M, VILAIN, ERIC J. · 2015 to 2023
$35.1M
Microphysiological systems to model vascular malformationsUG3HL141799 · NHLBI · UNIVERSITY OF CALIFORNIA-IRVINE · PI HUGHES, CHRISTOPHER C. W. · 2017 to 2018
$1.7M
(PQD5) Development of in Vitro Vascularized Microtumors for Drug ScreeningR01CA180122 · NCI · UNIVERSITY OF CALIFORNIA-IRVINE · PI HUGHES, CHRISTOPHER C. W. · 2013 to 2016
$1.2M
Center for Clinical and Translational ScienceKL2TR000048 · NCATS · UNIVERSITY OF ILLINOIS AT CHICAGO · PI AZAR, DIMITRI T, MERMELSTEIN, ROBIN J. · 2012 to 2014
$559k
NCATS NIH HHS KL2 TR000048NCATS NIH HHS UL1 TR001414NCI NIH HHS P30 CA062203NCI NIH HHS R01 CA180122NHLBI NIH HHS UG3 HL141799
6 · The paper itself

Abstract

Autonomous and self-powered micropumps are in critical demand for versatile cell- and tissue-based applications as well as for low-cost point-of-care testing (POCT) in microfluidics fields. The hydrostatic pressure-driven passive micropumps are simple and widely used, but they cannot maintain steady and continuous flow for long periods of time. Here, we propose a hydrostatic pressure-driven passive micropump enhanced with siphon-based autofill function, which can realize the autonomous and continuous perfusion with well-controlled steady flow over an extended time without electric power consumption. The characterization results reveal that both the cycle number in one refilling loop and the siphon diameter will affect the refilling time. Furthermore, this micropump also enables multiplexed medium delivery under either the same or different flow conditions with high flexibility. The system was validated using an in vitro vasculogenesis model over the course of several days. Most importantly, the device can consistently provide steady medium perfusion for up to 5 days at a predefined hydrostatic pressure drop without the need for supplemental medium changes. We believe that this hydrostatic pressure-driven passive micropump will become a critical module for a broad range of sophisticated microfluidic operations and applications.

Indexed as

Lab-On-A-Chip DevicesCell LineEquipment DesignFinite Element AnalysisHumansHydrostatic PressureNeovascularization, Physiologic

Identifiers

PMID29931005
PMCPMC6057814

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.