Searched for: subject:"microfluidics"
(1 - 20 of 54)

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Mytnyk, S. (author)
Growing importance of hydrogels in various areas of human life has led to increasing need in controlling their properties, which is generally achieved by adjusting hydrogels shape and microstructure. Even though standard microfabrication and microstructuring techniques can be currently applied in hydrogel research, the variety of properties of...
doctoral thesis 2019
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Hubbe, H.M.K. (author), Mendes, E. (author), Boukany, P. (author)
Polymer nanowire-related research has shown considerable progress over the last decade. The wide variety of materials and the multitude of well-established chemical modifications have made polymer nanowires interesting as a functional part of a diagnostic biosensing device. This review provides an overview of relevant publications addressing...
review 2019
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Kumar, P. (author), Fanzio, P. (author), Sasso, L. (author), Langelaar, M. (author)
The concept and synthesis approach for planar Compliant Fluidic Control Structures (CFCSs), monolithic flexible continua with embedded functional pores, is presented in this manuscript. Such structures are envisioned to find application in biomedicine as tunable microfluidic devices for drug/nutrient delivery. The functional pores enlarge and...
journal article 2019
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Alston, Mark E. (author), Pottgiesser, U. (author), Knaack, U. (author)
The glazed envelopes on buildings play a major role in operational energy consumption as they define the boundary conditions between climate and thermal comfort. Such a façade is viewed as an uncontrolled load that sets the operational performance requirements for artificial lighting and air-cooling mechanical systems. This is in contrast to...
journal article 2019
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Schaich, M. (author), Cama, J. (author), Al Nahas, K. (author), Sobota, Diana (author), Sleath, Hannah (author), Jahnke, Kevin (author), Deshpande, S.R. (author), Dekker, C. (author), Keyser, Ulrich F. (author)
The low membrane permeability of candidate drug molecules is a major challenge in drug development, and insufficient permeability is one reason for the failure of antibiotic treatment against bacteria. Quantifying drug transport across specific pathways in living systems is challenging because one typically lacks knowledge of the exact...
journal article 2019
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Fanalista, F. (author), Birnie, A.T.F. (author), Maan, R. (author), Burla, Federica (author), Charles usagé Charles-Carty, K.V. (author), Pawlik, G. (author), Deshpande, S.R. (author), Koenderink, Gijsje H. (author), Dogterom, A.M. (author), Dekker, C. (author)
Bottom-up biology is an expanding research field that aims to understand the mechanisms underlying biological processes via in vitro assembly of their essential components in synthetic cells. As encapsulation and controlled manipulation of these elements is a crucial step in the recreation of such cell-like objects, microfluidics is...
journal article 2019
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Deshpande, S.R. (author), Wunnava Venkata, S.S. (author), Hueting, D.A. (author), Dekker, C. (author)
Recent years have seen a tremendous interest in the bottom-up reconstitution of minimal biomolecular systems, with the ultimate aim of creating an autonomous synthetic cell. One of the universal features of living systems is cell growth, where the cell membrane expands through the incorporation of newly synthesized lipid molecules. Here, the...
journal article 2019
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Liu, Q. (author), Zhao, M. (author), Mytnyk, S. (author), Klemm, B. (author), Zhang, K. (author), Wang, Y. (author), Yan, Dadong (author), Mendes, E. (author), van Esch, J.H. (author)
Hydrogel microparticles are important in materials engineering, but their applications remain limited owing to the difficulties associated with their manipulation. Herein, we report the self-orientation of crescent-shaped hydrogel microparticles and elucidate its mechanism. Additionally, the microparticles were used, for the first time, as...
journal article 2019
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Bui, T.H. (author)
The thesis focuses on the investigation of thin-film surface acoustic wave (SAW) devices for liquid sensing applications. The piezoelectric material is a thin film of Aluminum Nitride (AlN), a CMOS compatible material, deposited by pulse DC reactive sputtering technique. A CMOS compatible process is developed and employed to fabricate the AlN/Si...
doctoral thesis 2018
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Marin Lizarraga, V.M. (author)
This thesis presents a reliable technology to assemble free standing lipid membranes using microfabricated devices. A microfluidic cartridge consisting of parallel channels connected with a rectangular aperture was designed and characterized to assemble artificial membranes. This methodology resulted on a system capable of assembling lipid...
doctoral thesis 2018
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Rho, Hoon Suk (author), Hanke, A.T. (author), Ottens, M. (author), Gardeniers, Han J.G.E. (author)
A microfluidic device for pH gradient chromatofocusing is presented, which performs creation of a micro-column, pH gradient generation, and fraction collection in a single device. Using a sieve micro-valve, anion exchange particles were packed into a microchannel in order to realize a solid-phase absorption column. To fractionate proteins...
journal article 2018
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Strauch, M. (author), Somers, P.A.A.M. (author), Bociort, F. (author), Urbach, Paul (author)
A technique to create aspheric surface shapes on commercially available electrowetting liquid lenses is demonstrated. Based on a previously published surface oscillation model a technique using a Hankel transform is proposed and tested experimentally. An alternating actuation voltage is applied to the liquid lens to stimulate surface...
journal article 2018
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Deshpande, S.R. (author), Spoelstra, W.K. (author), Kerssemakers, J.W.J. (author), Dekker, C. (author)
Liposomes, self-assembled vesicles with a lipid-bilayer boundary similar to cell membranes, are extensively used in both fundamental and applied sciences. Manipulation of their physical properties, such as growth and division, may significantly expand their use as model systems in cellular and synthetic biology. Several approaches have been...
journal article 2018
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Kislaya, A. (author), Deka, Antaran (author), Veenstra, Peter (author), Tam, D.S.W. (author), Westerweel, J. (author)
In micro-PIV, reaching the optimum image density has always been difficult due to high displacement gradient, coagulation of particles at the inlet and due to particles adhering to the surface to name a few. The most widely used method is to take ensemble correlation average of multiple PIV images to extract the velocity field. However, this...
conference paper 2018
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Cordeiro Guerrieri, D. (author), De Athayde Costa E Silva, M. (author), van Zeijl, H.W. (author), Cervone, A. (author), Gill, E.K.A. (author)
Three low pressure micro-resistojets (LPM) with integrated heater and temperature measurement were designed, manufactured and characterized at Delft university of technology. The devices were manufactured using silicon-based micro electro mechanical systems (MEMS) technology including a heater made of molybdenum for better operations at high...
journal article 2017
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Kawale, D. (author)
Crude oil has been an important source of energy for several decades now. Upon discovery of a crude oil reservoir until its abandonment, typically the oil recovery process can be classified in three stages. The primary and the secondary stage involve utilizing and maintaining reservoir pressure to recover oil respectively. The tertiary, or the...
doctoral thesis 2017
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Bui, T.H. (author), Vollebregt, S. (author), Morana, B. (author), van Zeijl, H.W. (author), Chu Duc, Trinh (author), Sarro, P.M. (author)
The effect of the contact angle and radius of a microsize droplet on the surface acoustic wave (SAW) response for microfluidic applications is reported. It is studied through the dynamic change of the droplet shape during the evaporation process. An aluminium nitride SAW device, operating at 125.7 MHz, is utilized to investigate the...
journal article 2017
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Belardinelli, P. (author), Ghatkesar, M.K. (author), Staufer, U. (author), Alijani, F. (author)
Linear and non-linear vibrations of a U-shaped hollow microcantilever beam filled with fluid and interacting with a small particle are investigated. The microfluidic device is assumed to be subjected to internal flowing fluid carrying a buoyant mass. The equations of motion are derived via extended Hamilton's principle and by using Euler...
journal article 2017
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Tiruvadi Krishnan, S. (author)
All living organisms pass on their genetic information to their offspring in the form of DNA or RNA molecules by duplicating them across generations. In the bacteria, their genes are packed in long chains of DNA molecules or chromosomes. One of the widely studied model organisms, Escherichia coli, replicates its circular chromosome in two...
doctoral thesis 2016
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Vleugel, M. (author), Roth, S.C.A. (author), Groenendijk, Celebrity F. (author), Dogterom, A.M. (author)
Mitotic spindle assembly, positioning and orientation depend on the combined forces generated by microtubule dynamics, microtubule motor proteins and cross-linkers. Growing microtubules can generate pushing forces, while depolymerizing microtubules can convert the energy from microtubule shrinkage into pulling forces, when attached, for...
journal article 2016
Searched for: subject:"microfluidics"
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