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Govt issues fresh guidelines for discharge of coronavirus patients

The ministry circular states there will be no coronavirus testing at Covid-19 facilities prior to discharge, and the patients will be advised to follow home isolation for seven days




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Vande Bharat Mission: Indians to arrive from Bangladesh, Gulf, UK today

India had on Monday announced it would begin a phased repatriation of its citizens stranded abroad starting May 7




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Optically-controlled closable microvalves for polymeric centrifugal microfluidic devices

Lab Chip, 2020, 20,1426-1440
DOI: 10.1039/C9LC01187K, Paper
M. Shane Woolf, Leah M. Dignan, Hannah M. Lewis, Christopher J. Tomley, Aeren Q. Nauman, James P. Landers
Microvalving is a pivotal component in many microfluidic lab-on-a-chip platforms and micro-total analysis systems (μTAS).
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A liquid biopsy-guided drug release system for cancer theranostics: integrating rapid circulating tumor cell detection and precision tumor therapy

Lab Chip, 2020, 20,1418-1425
DOI: 10.1039/D0LC00149J, Paper
Chun-Miao Xu, Man Tang, Jiao Feng, Hou-Fu Xia, Ling-Ling Wu, Dai-Wen Pang, Gang Chen, Zhi-Ling Zhang
A system integrating diagnostic and therapeutic functions for cancer is presented using magnetically controlled microfluidics.
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Colorimetric absorbance mapping and quantitation on paper-based analytical devices

Lab Chip, 2020, 20,1441-1448
DOI: 10.1039/D0LC00028K, Paper
Open Access
Yoshiki Soda, Kye J. Robinson, Thomas J. Cherubini, Eric Bakker
A pixel-level colorimetric absorbance analysis can measure the total quantity of dye on paper, irrespective of shape and size.
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Multi-corneal barrier-on-a-chip to recapitulate eye blinking shear stress forces

Lab Chip, 2020, 20,1410-1417
DOI: 10.1039/C9LC01256G, Paper
Rodi Abdalkader, Ken-ichiro Kamei
Human corneal epithelium coexists with tear fluids and shows its barrier functionality under the dynamic conditions of eye blinking. We developed a microfluidic platform enabling the dynamic culture of the human corneal barrier with recapitulation of eye blinking.
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Advanced 96-microtiter plate based bioelectrochemical platform reveals molecular short cut of electron flow in cytochrome P450 enzyme

Lab Chip, 2020, 20,1449-1460
DOI: 10.1039/C9LC01220F, Paper
Ronny Frank, Christoph Prönnecke, Ronny Azendorf, Heinz-Georg Jahnke, Annette G. Beck-Sickinger, Andrea A. Robitzki
We developed a novel 96-well microtiter plate based bioelectrochemical platform with a vertical divided cell three-electrode architecture and a 96-multipotentiostat to perform fully parallelised bioelectrocatalytic screenings on redox enzymes.
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An implantable multifunctional neural microprobe for simultaneous multi-analyte sensing and chemical delivery

Lab Chip, 2020, 20,1390-1397
DOI: 10.1039/D0LC00021C, Communication
Bo Wang, Ximiao Wen, Yan Cao, Shan Huang, Hoa A. Lam, Tingyi “Leo” Liu, Pei-Shan Chung, Harold G. Monbouquette, Pei-Yu Chiou, Nigel T. Maidment
PDMS thin-film transfer and enzyme microstamping enabled 3-in-1 Si/PDMS hybrid chemtrode for multi-analyte sensing and chemical delivery in vivo.
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Droplet encapsulation improves accuracy of immune cell cytokine capture assays

Lab Chip, 2020, 20,1513-1520
DOI: 10.1039/C9LC01261C, Paper
Yuan Yuan, Julie Brouchon, J. Mauricio Calvo-Calle, Jing Xia, Li Sun, Xu Zhang, Kiera L. Clayton, Fangfu Ye, David A. Weitz, John A. Heyman
In-droplet cytokine capture assays combined with FACS to accurately identify and isolate activated immune cells.
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Monitoring tissue-level remodelling during inflammatory arthritis using a three-dimensional synovium-on-a-chip with non-invasive light scattering biosensing

Lab Chip, 2020, 20,1461-1471
DOI: 10.1039/C9LC01097A, Paper
Open Access
Mario Rothbauer, Gregor Höll, Christoph Eilenberger, Sebastian R. A. Kratz, Bilal Farooq, Patrick Schuller, Isabel Olmos Calvo, Ruth A. Byrne, Brigitte Meyer, Birgit Niederreiter, Seta Küpcü, Florian Sevelda, Johannes Holinka, Oliver Hayden, Sandro F. Tedde, Hans P. Kiener, Peter Ertl
We demonstrate that the integration of complex human synovial organ cultures in a lab-on-a-chip provides reproducible and reliable information on how systemic stress factors affect synovial tissue architectures using light scatter biosensing.
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Scalable microfluidic droplet on-demand generator for non-steady operation of droplet-based assays

Lab Chip, 2020, 20,1398-1409
DOI: 10.1039/C9LC01103J, Paper
Open Access
Kartik Totlani, Jan-Willem Hurkmans, Walter M. van Gulik, Michiel T. Kreutzer, Volkert van Steijn
We developed a microfluidic droplet on-demand (DoD) generator that enables the production of droplets with a volume solely governed by the geometry of the generator for a range of operating conditions.
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Rapid lipolytic oscillations in ex vivo adipose tissue explants revealed through microfluidic droplet sampling at high temporal resolution

Lab Chip, 2020, 20,1503-1512
DOI: 10.1039/D0LC00103A, Paper
Juan Hu, Xiangpeng Li, Robert L. Judd, Christopher J. Easley
High temporal resolution sampling and quantitative detection of glycerol secretion dynamics from adipose tissue using our automated, droplet-based microfluidic system.
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Contact lens-based lysozyme detection in tear using a mobile sensor

Lab Chip, 2020, 20,1493-1502
DOI: 10.1039/C9LC01039D, Paper
Zachary Ballard, Sarah Bazargan, Diane Jung, Shyama Sathianathan, Ashley Clemens, Daniel Shir, Saba Al-Hashimi, Aydogan Ozcan
A rapid and cost-effective method for monitoring proteins in tear-fluid is reported, which enables biomarker monitoring using contact lenses toward personalized mobile-health applications.
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Applications of the microphysiology systems database for experimental ADME-Tox and disease models

Lab Chip, 2020, 20,1472-1492
DOI: 10.1039/C9LC01047E, Paper
Open Access
Mark Schurdak, Lawrence Vernetti, Luke Bergenthal, Quinn K. Wolter, Tong Ying Shun, Sandra Karcher, D. Lansing Taylor, Albert Gough
The Microphysiology Systems Database (MPS) is a critical tool for the design, management, analysis, and sharing of MPS study data.
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Mathematical modeling and computational analysis of centrifugal microfluidic platforms: a review

Lab Chip, 2020, 20,1318-1357
DOI: 10.1039/C9LC00775J, Critical Review
Open Access
Masoud Madadelahi, Luis F. Acosta-Soto, Samira Hosseini, Sergio O. Martinez-Chapa, Marc J. Madou
This paper focuses on theory and computational modelling of lab-on-a-disc devices of relevance for novel applications discovery and optimal designs.
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Nanoplasmon-enhanced drop-screen for high throughput single-cell nucleocytoplasmic miRNA profiling

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01226E, Paper
Jia Liu, Guoyun Sun, Shih-Chung Wei, Song Guo, Weikang Nicholas Lin, Chia-Hung Chen
Nanoplasmon-enhanced drop screen is developed to measure single-cell multiple miRNAs with high sensitivity of 0.1 nM, addressing cell nucleocytoplasmic profile in a throughput ∼100 cells per minute.
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ECM-based microchannel for culturing in vitro vascular tissues with simultaneous perfusion and stretch

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00254B, Paper
Azusa Shimizu, Wei Huang Goh, Shun Itai, Michinao Hashimoto, Shigenori Miura, Hiroaki Onoe
A perfusable and stretchable gelatin-based microfluidic system that can apply both simultaneous fluidic shear stress and stretch stress to in vitro endothelial 3D tissues is presented.
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Development of two-photon polymerised scaffolds for optical interrogation and neurite guidance of human iPSC-derived cortical neuronal networks

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01209E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
J. A. Crowe, A. El-Tamer, D. Nagel, A. V. Koroleva, J. Madrid-Wolff, O. E. Olarte, S. Sokolovsky, E. Estevez-Priego, A.-A. Ludl, J. Soriano, P. Loza-Alvarez, B. N. Chichkov, E. J. Hill, H. R. Parri, E. U. Rafailov
We identified photopolymers for 2-photon polymerisation with biocompatibility for human iPSC-derived neural network development. Generation of microscale scaffold topologies enabled neurite guidance, demonstrating use in reproducing aligned networks.
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Development and characterisation of acoustofluidic devices using detachable electrodes made from PCB

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01192G, Paper
Roman Mikhaylov, Fangda Wu, Hanlin Wang, Aled Clayton, Chao Sun, Zhihua Xie, Dongfang Liang, Yinhua Dong, Fan Yuan, Despina Moschou, Zhenlin Wu, Ming Hong Shen, Jian Yang, Yongqing Fu, Zhiyong Yang, Christian Burton, Rachel J. Errington, Marie Wiltshire, Xin Yang
We demonstrate a novel SAW device fabrication technique by mechanically clamping interdigital electrodes (IDEs) on the printed circuit board (PCB) to a LiNbO3 wafer. The novel PCB-SAW device is capable of performing all the functions of standard SAW devices.
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A bespoke microfluidic pharmacokinetic compartment model for drug absorption using artificial cell membranes

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00263A, Paper
Jaime L. Korner, Elanna B. Stephenson, Katherine S. Elvira
A new type of pharmacokinetic compartment model using artificial cell membranes that predicts intestinal absorption three times more accurately than the current state of the art.
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Seeded droplet microfluidic system for small molecule crystallization

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00122H, Paper
N. Garg, R. Tona, P. Martin, P. M. Martin-Soladana, G. Ward, N. Douillet, D. Lai
A microfluidic approach to seeded crystallization has been demonstrated using abacavir hemisulfate, a nucleoside analog reverse transcriptase inhibitor, in droplet reactors to control polymorphism and produce particles with a low particle size distribution.
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SLOCK (sensor for circadian clock): passive sweat-based chronobiology tracker

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00134A, Paper
Sayali Upasham, Shalini Prasad
SLOCK is a sweat based platform for monitoring circadian relevant biomarkers-cortisol and DHEA, using electrochemical detection modality.
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A new microfluidic model that allows monitoring of complex vascular structures and cell interactions in a 3D biological matrix

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00059K, Paper
Open Access
Christian G. M. van Dijk, Maarten M. Brandt, Nikolaos Poulis, Jonas Anten, Matthijs van der Moolen, Liana Kramer, Erik F. G. A. Homburg, Laura Louzao-Martinez, Jiayi Pei, Merle M. Krebber, Bas W. M. van Balkom, Petra de Graaf, Dirk J. Duncker, Marianne C. Verhaar, Regina Luttge, Caroline Cheng
We present a microfluidic vascular device. Vascular cells in a 3D-ECM environment support hemodynamic flow and enable monocyte interaction.
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Current commercialization status of electrowetting-on-dielectric (EWOD) digital microfluidics

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00144A, Critical Review
Jia Li, Chang-Jin “CJ” Kim
Electrowetting on EWOD surface: a droplet beading or spreading (left) or translating (right) by electric signals. The EWOD technology made the once-obscure electrowetting phenomenon practical, leading to the host of commercial products today.
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Microfluidic device for high-throughput affinity-based isolation of extracellular vesicles

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01190K, Paper
Ting-Wen Lo, Ziwen Zhu, Emma Purcell, Daniel Watza, Joyful Wang, Yoon-Tae Kang, Shruti Jolly, Deepak Nagrath, Sunitha Nagrath
Immunoaffinity based EV isolation technologies use antibodies targeting surface markers on EVs to provide higher isolation specificity and purity compared to existing approaches.
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Direct loading of blood for plasma separation and diagnostic assays on a digital microfluidic device

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00302F, Paper
Christopher Dixon, Julian Lamanna, Aaron R. Wheeler
The integration of 3D porous membranes in a digital microfluidic device enables the generation of cell-free plasma from finger-stick volumes of blood with in-line, on-chip analysis.
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In situ generation of plasma-activated aerosols via surface acoustic wave nebulization for portable spray-based surface bacterial inactivation

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00001A, Paper
Kiing S. Wong, William T. H. Lim, Chien W. Ooi, Leslie Y. Yeo, Ming K. Tan
We demonstrate an efficient technique for in situ production and application of plasma-activated aerosols for surface disinfection.
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Correction: Deformability-induced lift force in spiral microchannels for cell separation

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC90036B, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ewa Guzniczak, Oliver Otto, Graeme Whyte, Nicholas Willoughby, Melanie Jimenez, Helen Bridle
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A new polymer lab-on-a-chip (LOC) based on a microfluidic capillary flow assay (MCFA) for detecting unbound cortisol in saliva

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00071J, Paper
Vinitha T. U., Sthitodhi Ghosh, Alexander Milleman, Thinh Nguyen, Chong H. Ahn
A new polymer lab-on-a-chip with on-chip dried reagents for microfluidic capillary flow assay (MCFA) detection of unbound cortisol in saliva.
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Photonic crystal-based smart contact lens for continuous intraocular pressure monitoring

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01268K, Paper
Bohee Maeng, Hyung-kwan Chang, Jungyul Park
A powerless smart contact lens enabling to monitor intraocular pressure (IOP) by checking the visual color change in photonic crystal structure with a microhydraulic amplification system has been realized.
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Spatially isolated reactions in a complex array: using magnetic beads to purify and quantify nucleic acids with digital and quantitative real-time PCR in thousands of parallel microwells

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00069H, Paper
W. Hampton Henley, Nathan A. Siegfried, J. Michael Ramsey
Encoded beads carrying primer pairs for nucleic acid targets are used for sample preparation and multiplexed-in-space digital PCR quantification.
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Multiplexed homogeneous digital immunoassay based on single-particle motion analysis

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00079E, Paper
Kenji Akama, Hiroyuki Noji
Homogeneous digital immunoassay is a powerful analytical method for highly sensitive biomarker detection with a simple protocol. By using this method, we demonstrated the simultaneous multiple protein detection.
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Open sessile droplet viscometer with low sample consumption

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00248H, Paper
Matthias Hermann, Kyle Bachus, Graham T. T. Gibson, Richard D. Oleschuk
This paper reports a portable viscometer that requires less than 10 μL of sample for a measurement.
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In-air EIS sensor for in situ and real-time monitoring of in vitro epithelial cells under air-exposure

Lab Chip, 2020, Advance Article
DOI: 10.1039/C9LC01064E, Paper
Seungbeom Noh, Hanseup Kim
This paper reports in-air monitoring of in vitro monolayer cells under air-exposure utilizing electrochemical impedance spectroscopy (EIS).
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Clip-to-release on amplification (CRoA): a novel DNA amplification enhancer on and off microfluidics

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00318B, Paper
Ren Shen, Yanwei Jia, Pui-In Mak, Rui P. Martins
A proposed DNA amplification enhancer with a “clip-to-release on amplification” mechanism reduces dye-mediated inhibition to amplification, increases fluorescence signal up to 10-fold, and eliminates false-negative results for on-chip PCR.
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Nanocrystal synthesis, μfluidic sample dilution and direct extraction of single emission linewidths in continuous flow

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00213E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ioannis Lignos, Hendrik Utzat, Moungi G. Bawendi, Klavs F. Jensen
We present a flow-based system coupled with an optical interferometry setup for the extraction of single nanocrystal properties.
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Acoustic separation of living and dead cells using high density medium

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00175A, Paper
Open Access
Karl Olofsson, Björn Hammarström, Martin Wiklund
A novel, simple and robust route for binary separation of viable and dead cells using a density modified medium which takes advantage of the compromised cell membrane of dead cells.
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Bioinspired reconfiguration of 3D printed microfluidic hydrogels via automated manipulation of magnetic inks

Lab Chip, 2020, Advance Article
DOI: 10.1039/D0LC00280A, Communication
Amin Mansoorifar, Anthony Tahayeri, Luiz E. Bertassoni
We proposed a novel concept for reconfiguration of hydrogel microfluidic devices, where multiple fluidic pathways could be generated via reversible manipulation of magnetic inks.
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Capacitive Sensing of Triglyceride Film Reactions: A Proof-of-Concept Demonstration for Sensing in Simulated Duodenal Contents with Gastrointestinal Targeting Capsule System

Lab Chip, 2020, Accepted Manuscript
DOI: 10.1039/D0LC00133C, Paper
George Banis, Luke Beardslee, Justin Stine, Rajendra Mayavan Sathyam, Reza Ghodssi
Ingestible capsule systems continue evolving to overcome drawbacks associated with traditional gastrointestinal (GI) diagnostic and therapeutic processes, such as location restrictions or insufficient sensitivity measures when obtaining information on local...
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PRESCIENT: platform for the rapid evaluation of antibody success using integrated microfluidics enabled technology

Lab Chip, 2020, 20,1628-1638
DOI: 10.1039/C9LC01165J, Paper
Jose A. Wippold, Han Wang, Joseph Tingling, Julian L. Leibowitz, Paul de Figueiredo, Arum Han
Identifying antibodies (Abs) that neutralize infectious agents is the first step for developing therapeutics, vaccines, and diagnostic tools for these infectious agents.
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Multiscale brain research on a microfluidic chip

Lab Chip, 2020, 20,1531-1543
DOI: 10.1039/C9LC01010F, Critical Review
Yanan Zhao, Utkan Demirci, Yun Chen, Pu Chen
We report recent progress in applying innovative microfluidic chip-based neurotechnologies to promote multiscale brain research across the hierarchical organizations from the molecular, cellular, and tissue levels up to the whole organism level.
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Auto-affitech: an automated ligand binding affinity evaluation platform using digital microfluidics with a bidirectional magnetic separation method

Lab Chip, 2020, 20,1577-1585
DOI: 10.1039/D0LC00024H, Paper
Jingjing Guo, Li Lin, Kaifeng Zhao, Yanling Song, Mengjiao Huang, Zhi Zhu, Leiji Zhou, Chaoyong Yang
An automated ligand binding affinity evaluation platform using digital microfluidics with a bidirectional magnetic separation method that reduces the bead loss.
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Quantitatively controllable fluid flows with ballpoint-pen-printed patterns for programmable photo-paper-based microfluidic devices

Lab Chip, 2020, 20,1601-1611
DOI: 10.1039/D0LC00115E, Paper
Veasna Soum, Sooyong Park, Albertus Ivan Brilian, Jae-Youl Choi, Yongwoo Lee, Wonjung Kim, Oh-Sun Kwon, Kwanwoo Shin
A precise, simple, and inexpensive method for controlling fluid flow in a photo-paper-based microfluidic device was reported.
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Monitoring the two-dimensional concentration profile of toluene vapors by using polymer-stabilized nematic liquid crystals in microchannels

Lab Chip, 2020, 20,1687-1693
DOI: 10.1039/C9LC01021A, Paper
Zongdai Liu, Dan Luo, Kun-Lin Yang
The concentration of toluene vapor is obtained based on polymer-stabilized liquid crystals by viewing a colourful gamut under a polarized optical microscope.
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Electrostatically gated nanofluidic membrane for ultra-low power controlled drug delivery

Lab Chip, 2020, 20,1562-1576
DOI: 10.1039/D0LC00121J, Paper
Open Access
Nicola Di Trani, Antonia Silvestri, Antons Sizovs, Yu Wang, Donald R. Erm, Danilo Demarchi, Xuewu Liu, Alessandro Grattoni
Control of molecular diffusion through nanofluidic channels using electrostatic gating.
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Hybrid paper and 3D-printed microfluidic device for electrochemical detection of Ag nanoparticle labels

Lab Chip, 2020, 20,1648-1657
DOI: 10.1039/D0LC00276C, Paper
Charuksha Walgama, Michael P. Nguyen, Lisa M. Boatner, Ian Richards, Richard M. Crooks
A hybrid paper/plastic microfluidic device for detection of Ag nanoparticle labels at concentrations as low as 12 pM.
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A microfluidic platform for functional testing of cancer drugs on intact tumor slices

Lab Chip, 2020, 20,1658-1675
DOI: 10.1039/C9LC00811J, Paper
A. D. Rodriguez, L. F. Horowitz, K. Castro, H. Kenerson, N. Bhattacharjee, G. Gandhe, A. Raman, R. J. Monnat, R. Yeung, R. C. Rostomily, A. Folch
We have developed a digitally-manufacturable microfluidic platform that allows for multiplexed drug testing of intact tumor slices.
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Selective cell propagation via micropatterning of a thermally-activated hydrogel

Lab Chip, 2020, 20,1544-1553
DOI: 10.1039/C9LC01230C, Communication
Jeffrey C. Y. Chiu, Joyce A. Teodoro, Jeong Hyun Lee, Kerryn Matthews, Simon P. Duffy, Hongshen Ma
Inverse gelation of methylcellulose enables hydrogel micropatterning to selectively propagate cells identified by microscopy.
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In-flow measurement of cell–cell adhesion using oscillatory inertial microfluidics

Lab Chip, 2020, 20,1612-1620
DOI: 10.1039/D0LC00089B, Paper
Baris R. Mutlu, Taronish Dubash, Claudius Dietsche, Avanish Mishra, Arzu Ozbey, Kevin Keim, Jon F. Edd, Daniel A. Haber, Shyamala Maheswaran, Mehmet Toner
Cell–cell adhesion strength of freely suspended cell clusters can be measured using an oscillatory inertial microfluidic system.
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3-Step flow focusing enables multidirectional imaging of bioparticles for imaging flow cytometry

Lab Chip, 2020, 20,1676-1686
DOI: 10.1039/D0LC00244E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Andreas Kleiber, Anuradha Ramoji, Günter Mayer, Ute Neugebauer, Jürgen Popp, Thomas Henkel
The control of the focus plane allows multi-directional imaging flow cytometry.
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