نتایج جستجو برای: microfluidics

تعداد نتایج: 10776  

Journal: :Journal of Chemical Education 2022

Natural sciences can be difficult to grasp because physical and chemical phenomena take place across time length scales that are beyond the reach of human perception. This problem is particularly true for students attempting learn about microfluidics, a discipline involves intricate engineering methods fluid unintuitive unique microscopic scale. New learning paradigms combine established princi...

Journal: :international journal of advanced design and manufacturing technology 0
babak kamali doust azad sasan asiaei borhan beigzadeh

changes of hydrodynamic parameters in microchannel branches affect the suspended biological samples in blood. to prevent denaturation and hemolysis, we have numerically investigated the effect of divergence angle on shear rate and velocity at branch entrance (discharge rate), under electroosmotic flow. in such flow, hydrodynamic properties are also affected by zeta potential at the microchannel...

2015
F Zang R Ghodssi

This paper reports the utilization of capillary microfluidics to rapidly create nanostructure-patterned electrodes for energy storage applications. Using patterned photoresist as open-channel capillary microfluidics, Tobacco mosaic virus (TMV) bio-nanoscaffolds suspended in solution are autonomously delivered onto planar gold electrodes over a 1 cm2 area. The TMVs assemble on the electrode and ...

Journal: :Advanced materials 2014
Sujit S Datta Alireza Abbaspourrad Esther Amstad Jing Fan Shin-Hyun Kim Mark Romanowsky Ho Cheung Shum Bingjie Sun Andrew S Utada Maike Windbergs Shaobing Zhou David A Weitz

How droplet microfluidics can be used to fabricate solid-shelled microcapsules having precisely controlled release behavior is described. Glass capillary devices enable the production of monodisperse double emulsion drops, which can then be used as templates for microcapsule formation. The exquisite control afforded by microfluidics can be used to tune the compositions and geometrical character...

2018
Krisztina Nagy Ágnes Ábrahám Juan E. Keymer Péter Galajda

Microfluidics is an emerging technology that is used more and more in biology experiments. Its capabilities of creating precisely controlled conditions in cellular dimensions make it ideal to explore cell-cell and cell-environment interactions. Thus, a wide spectrum of problems in microbial ecology can be studied using engineered microbial habitats. Moreover, artificial microfluidic ecosystems ...

Journal: :Lab on a chip 2012
Mira T Guo Assaf Rotem John A Heyman David A Weitz

Droplet microfluidics offers significant advantages for performing high-throughput screens and sensitive assays. Droplets allow sample volumes to be significantly reduced, leading to concomitant reductions in cost. Manipulation and measurement at kilohertz speeds enable up to 10(8) samples to be screened in one day. Compartmentalization in droplets increases assay sensitivity by increasing the ...

Journal: :Chemical Society reviews 2015
Darius G Rackus Mohtashim H Shamsi Aaron R Wheeler

Electrochemistry, biosensors and microfluidics are popular research topics that have attracted widespread attention from chemists, biologists, physicists, and engineers. Here, we introduce the basic concepts and recent histories of electrochemistry, biosensors, and microfluidics, and describe how they are combining to form new application-areas, including so-called "point-of-care" systems in wh...

Journal: :Review of Scientific Instruments 2023

With the development of microfluidic technology, new materials and fabrication methods have been constantly invented in field microfluidics. Bonding is one key steps for enclosed-channel chips, which extensively explored by researchers globally. The main purpose bonding to seal/enclose fabricated microchannels subsequent fluid manipulations. Conventional are usually irreversible, forced detachm...

Journal: :Journal of polymer science 2022

Droplet microfluidics is one of the most promising approaches that allows preparation microparticles with tailored structure and composition. Various functional have been developed using microfluidics, where their controlled shows high potential for a wide range applications. Among these, soft polymeric which exhibit low elastic modulus compared to ceramics metals are extensively investigated i...

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