Wafer-scale bioactive substrate patterning by chemical lift-off lithography

• Chong-You Chen,
• Chang-Ming Wang,
• Hsiang-Hua Li,
• Hong-Hseng Chan and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2018, 9, 311–320, doi:10.3762/bjnano.9.31

• change-required recognition, and bulky biological species binding are all accomplished with minimum nonspecific adhesion. Furthermore, multiplexed arrays via the integration of microfluidics are also achieved, which enables diverse applications of as-prepared substrates. By embracing the properties of

• integration of microfluidics with CLL operation is also introduced. In addition, this strategy enables straightforward creation of wafer-scale bioactive substrates via one-step surface defect-rich matrix generation, which greatly advances the creation of a biofunctional platform manufacturing for practical

• bars are 20 μm. Schematic illustration of multiplexed bioactive surface fabrication by the combination of chemical lift-off lithography (CLL) and microfluidics: (A) CLL treatment with an activated featureless PDMS stamp. (B) Probe insertion by the combination of a microfluidic device. (C) The

Review on optofluidic microreactors for artificial photosynthesis

• Xiaowen Huang,
• Jianchun Wang,
• Tenghao Li,
• Jianmei Wang,
• Min Xu,
• Weixing Yu,
• Abdel El Abed and
• Xuming Zhang

Beilstein J. Nanotechnol. 2018, 9, 30–41, doi:10.3762/bjnano.9.5

• systems, followed by discussions on pending problems for real applications. Keywords: artificial photosynthesis; carbon dioxide fixation; coenzyme regeneration; microfluidics; optofluidics; water splitting; Review Introduction The emerging energy crisis, the greenhouse effect and food shortage are

• catalytic materials, modification of the existed catalytic materials (e.g., noble-gas doping, co-catalyst impregnation, noble-metal loading, plasmonic sensitization and Z-scheme systems), and optofluidics (or microfluidics) based APS. It should be noted that many efforts have been made to develop bio

Tailoring the nanoscale morphology of HKUST-1 thin films via codeposition and seeded growth

• Landon J. Brower,
• Lauren K. Gentry,
• Amanda L. Napier and
• Mary E. Anderson

Beilstein J. Nanotechnol. 2017, 8, 2307–2314, doi:10.3762/bjnano.8.230

• lithography techniques to trap the precursor solution for subsequent solvent evaporation to produce isolated MOF crystallites in predetermined positions [22][23][24]. Microfluidics and ink-jet printing work in similar manners, delivering the solution according to a predefined design for subsequent MOF crystal

Surface functionalization of 3D-printed plastics via initiated chemical vapor deposition

• Christine Cheng and
• Malancha Gupta

Beilstein J. Nanotechnol. 2017, 8, 1629–1636, doi:10.3762/bjnano.8.162

• microfluidics. Keywords: 3D printing; chemical vapor deposition; coatings; functional polymers; surface modification; Introduction Three-dimensional printing (3DP) is a useful fabrication technique that offers rapid and low-cost prototyping, high levels of design complexity, and resolution on the micron scale

• [1][2]. These attractive features have led to applications of 3DP in diverse fields including tissue engineering [2][3], microfluidics [4], robotics [5], and batteries [6][7]. 3DP involves a computer-aided design of the target structure sliced into 2D layers and printed layer-by-layer [2][3]. Four

• -printed materials for potential applications in tissue grafting, microfluidics, and electronics. Experimental 1H,1H,2H,2H-Perfluorodecyl acrylate (PFDA) (SynQuest Laboratories, 97%), 2-hydroxyethyl methacrylate (HEMA) (Aldrich, 97%), ethylene glycol diacrylate (EGDA) (Polysciences, Inc.), and tert-butyl

Low temperature co-fired ceramic packaging of CMOS capacitive sensor chip towards cell viability monitoring

• Niina Halonen,
• Joni Kilpijärvi,
• Maciej Sobocinski,
• Timir Datta-Chaudhuri,
• Antti Hassinen,
• Someshekar B. Prakash,
• Peter Möller,
• Pamela Abshire,
• Sakari Kellokumpu and
• Anita Lloyd Spetz

Beilstein J. Nanotechnol. 2016, 7, 1871–1877, doi:10.3762/bjnano.7.179

• are miniaturized analytical tools that combine sophisticated microfluidics with sensing or analysis [12][13][14]. Lab-on-CMOS (LoCMOS) is an emerging class of LoC that combines LoC with integrated circuits (ICs). LOCs are often used for analyzing chemical or biological samples. However, when the wet

• integration of microfluidics into the package was demonstrated. Normal cell morphology on packaged dummy chips demonstrated the feasibility of using the LTCC package for cell culture; no cytotoxicity was observed. Furthermore, it was possible to obtain sensor measurements in real time. The capacitance varied

Chemiresistive/SERS dual sensor based on densely packed gold nanoparticles

• Sanda Boca,
• Cosmin Leordean,
• Simion Astilean and
• Cosmin Farcau

Beilstein J. Nanotechnol. 2015, 6, 2498–2503, doi:10.3762/bjnano.6.259

• advantages of the two separated, up to now, research fields. For example, by integration with microfluidics technology, the simultaneous operation in both chemiresistor and SERS-based modes should readily become possible. We expect that this innovative type of dual sensor will combine and multiply the

Selective porous gates made from colloidal silica nanoparticles

• Roberto Nisticò,
• Paola Avetta,
• Paola Calza,
• Debora Fabbri,
• Giuliana Magnacca and
• Dominique Scalarone

Beilstein J. Nanotechnol. 2015, 6, 2105–2112, doi:10.3762/bjnano.6.215

• the dawn of membrane technology in the 1920s, mostly used for separation of bacteria from water [8]. In the following years, microfiltration devices have found application in several technological fields: water treatments, food industry, biotechnology, electronics and microfluidics [9][10][11][12][13

A surface acoustic wave-driven micropump for particle uptake investigation under physiological flow conditions in very small volumes

• Florian G. Strobl,
• Dominik Breyer,
• Phillip Link,
• Adriano A. Torrano,
• Christoph Bräuchle,
• Matthias F. Schneider and
• Achim Wixforth

Beilstein J. Nanotechnol. 2015, 6, 414–419, doi:10.3762/bjnano.6.41

• of this effect in the area of microfluidics and life science have been developed so far (see reviews [11][12]). In the past, our lab already introduced SAW devices for quantifying cell association of targeted particles [13] and cell adhesion on implant materials [14]. One of the advantages of SAW

Measuring air layer volumes retained by submerged floating-ferns Salvinia and biomimetic superhydrophobic surfaces

• Matthias J. Mayser,
• Holger F. Bohn,
• Meike Reker and
• Wilhelm Barthlott

Beilstein J. Nanotechnol. 2014, 5, 812–821, doi:10.3762/bjnano.5.93

• Matthias J. Mayser Holger F. Bohn Meike Reker Wilhelm Barthlott Microfluidics Lab, GRASP, University of Liege, Chemin des Chevreuils 1, 4000 Liege, Belgium Nees-Institute for Biodiversity of Plants, University Bonn, Venusbergweg 22, 53115 Bonn, Germany Plant Biomechanics Group Freiburg, University

Porous polymer coatings as substrates for the formation of high-fidelity micropatterns by quill-like pens

• Michael Hirtz,
• Marcus Lyon,
• Wenqian Feng,
• Andrea E. Holmes,
• Harald Fuchs and
• Pavel A. Levkin

Beilstein J. Nanotechnol. 2013, 4, 377–384, doi:10.3762/bjnano.4.44

• effective in paper-based microfluidics [3]. Patterning on nylon membranes (Figure 4b and Figure 4f) shows a uniform wetting behaviour over the whole substrate area (visible by equal fluorescence intensity in the different features). However, similar distortions, as seen on the paper substrate, caused by the

Analysis of fluid flow around a beating artificial cilium

• Mojca Vilfan,
• Gašper Kokot,
• Andrej Vilfan,
• Natan Osterman,
• Blaž Kavčič,
• Igor Poberaj and
• Dušan Babič

Beilstein J. Nanotechnol. 2012, 3, 163–171, doi:10.3762/bjnano.3.16

• ; low Reynolds number hydrodynamics; magneto-optical tweezers; microfluidics; Introduction The ability to move or to generate a flow in the surrounding medium is essential for living organisms. Unicellular organisms, for example, move when searching for food or better living conditions. In

Sorting of droplets by migration on structured surfaces

• Wilfried Konrad and
• Anita Roth-Nebelsick

Beilstein J. Nanotechnol. 2011, 2, 215–221, doi:10.3762/bjnano.2.25

• ; microfluidics; surface; surface energy; surface structures; Introduction Manipulation of droplets is an issue of great interest in microfluidics. The underlying motivation is the design of microdevices that are able to perform various fluidic processes within dimensions on the micrometer scale [1]. “Lab-on-a

Microfluidic anodization of aluminum films for the fabrication of nanoporous lipid bilayer support structures

• Jaydeep Bhattacharya,
• Alexandre Kisner,
• Andreas Offenhäusser and
• Bernhard Wolfrum

Beilstein J. Nanotechnol. 2011, 2, 104–109, doi:10.3762/bjnano.2.12

• monitored by impedance spectroscopy across the nanoporous alumina membrane in real-time. Our approach offers a simple and efficient methodology to investigate the activity of transmembrane proteins or ion diffusion across membrane bilayers. Keywords: anodization; lipid bilayer; microfluidics

Magnetic nanoparticles for biomedical NMR-based diagnostics

• Huilin Shao,
• Tae-Jong Yoon,
• Monty Liong,
• Ralph Weissleder and
• Hakho Lee

Beilstein J. Nanotechnol. 2010, 1, 142–154, doi:10.3762/bjnano.1.17

• enabled parallel and sensitive measurements to be made from small volume samples. Thus, the DMR technology is a highly attractive platform for portable, low-cost, and efficient biomolecular detection within a biomedical setting. Keywords: biosensor; diagnostics; magnetic nanoparticle; microfluidics