2015
Interfacing Microwells with Nanoliter Compartments: A Sampler Generating High-Resolution Concentration Gradients for Quantitative Biochemical Analyses in Droplets
GIELEN, Fabrice; Tomáš BURYŠKA; Liisa VAN VLIET; Maren BUTZ; Jiří DAMBORSKÝ et. al.Basic information
Original name
Interfacing Microwells with Nanoliter Compartments: A Sampler Generating High-Resolution Concentration Gradients for Quantitative Biochemical Analyses in Droplets
Authors
GIELEN, Fabrice (250 France); Tomáš BURYŠKA (203 Czech Republic, belonging to the institution); Liisa VAN VLIET (840 United States of America); Maren BUTZ (756 Switzerland); Jiří DAMBORSKÝ (203 Czech Republic, guarantor, belonging to the institution); Zbyněk PROKOP (203 Czech Republic, belonging to the institution) and Florian HOLLFELDER (276 Germany)
Edition
Analytical Chemistry, 2015, 0003-2700
Other information
Language
English
Type of outcome
Article in a journal
Field of Study
10600 1.6 Biological sciences
Country of publisher
United States of America
Confidentiality degree
is not subject to a state or trade secret
References:
Impact factor
Impact factor: 5.886
RIV identification code
RIV/00216224:14310/15:00082195
Organization unit
Faculty of Science
UT WoS
000347590400064
EID Scopus
2-s2.0-84920395903
Keywords in English
microfluidic; haloalkane dehalogenase DbjA
Changed: 21/3/2017 07:50, prof. Mgr. Jiří Damborský, Dr.
Abstract
In the original language
Analysis of concentration-dependencies is key for the quantitative understanding of biological and chemical systems. In experimental tests involving concentration gradients such as inhibitor library screening, the number of data points and the ratio between the stock volume and the volume required in each test determine the quality and efficiency of the information gained. Titerplate assays are currently the most widely used format, even though they require microlitre volumes. Compartmentalization of reactions in pico- to nanolitre water-in-oil droplets in microfluidic devices provides a solution for massive volume reduction. This work addresses the challenge to produce microfluidic-based concentration gradients in a way that every droplet represents one unique reagent combination. We present a simple microcapillary technique able to generate such series of monodisperse water-in-oil droplets (with frequency up to 10 Hz) from a sample presented in an open well, e.g. a titreplate. Time-dependent variation of the well content results in microdroplets that represent time capsules of the composition of the source well.
Links
LO1214, research and development project |
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