Micro- and Nanofluidics for Bionanoparticle Analysis Edited by Xuanhong Cheng and Yong Zeng Printed Edition of the Special Issue Published in Micromachines www.mdpi.com/journal/micromachines Micro- and Nanofluidics for Bionanoparticle Analysis Micro- and Nanofluidics for Bionanoparticle Analysis SpecialIssueEditors XuanhongCheng YongZeng MDPI•Basel•Beijing•Wuhan•Barcelona•Belgrade SpecialIssueEditors XuanhongCheng YongZeng LehighUniversity UniversityofKansas USA USA EditorialOffice MDPI St.Alban-Anlage66 4052Basel,Switzerland This is a reprint of articles from the Special Issue published online in the open access journal Micromachines(ISSN2072-666X)from2018to2019(availableat: https://www.mdpi.com/journal/ micromachines/specialissues/MicroNanofluidicsBionanoparticleAnalysis) Forcitationpurposes,citeeacharticleindependentlyasindicatedonthearticlepageonlineandas indicatedbelow: LastName,A.A.; LastName,B.B.; LastName,C.C.ArticleTitle. JournalNameYear,ArticleNumber, PageRange. 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Contents AbouttheSpecialIssueEditors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii XuanhongChengandYongZeng EditorialfortheSpecialIssueon“Micro-andNanofluidicsforBionanoparticleAnalysis” Reprintedfrom:Micromachines2019,10,600,doi:10.3390/mi10090600 . . . . . . . . . . . . . . . 1 VeasnaSoum,SooyongPark,AlbertusIvanBrilian,Oh-SunKwonandKwanwooShin ProgrammablePaper-BasedMicrofluidicDevicesforBiomarkerDetections Reprintedfrom:Micromachines2019,10,516,doi:10.3390/mi10080516 . . . . . . . . . . . . . . . . 3 YiWang,KeelyKellerandXuanhongCheng TangentialFlowMicrofiltrationforViralSeparationandConcentration Reprintedfrom:Micromachines2019,10,320,doi:10.3390/mi10050320 . . . . . . . . . . . . . . . 28 NingYang,ChiyuanChen,TaoLi,ZhuoLi,LirongZou,RongbiaoZhangandHanpingMao PortableRiceDiseaseSporesCaptureandDetectionMethodUsingDiffractionFingerprintson MicrofluidicChip Reprintedfrom:Micromachines2019,10,289,doi:10.3390/mi10050289 . . . . . . . . . . . . . . . 41 Chi-YungCheng,Shih-ShienHuang,Chia-MinYang,Kea-TiongTangandDa-JengYao Detection of Cigarette Smoke Using a Surface-Acoustic-Wave Gas Sensor with Non-Polymer-BasedOxidizedHollowMesoporousCarbonNanospheres Reprintedfrom:Micromachines2019,10,276,doi:10.3390/mi10040276 . . . . . . . . . . . . . . . 54 HolgerBolze,PeerErfle,JulianeRiewe,HeikeBunjes,AndreasDietzelandThomasP.Burg AMicrofluidicSplit-FlowTechnologyforProductCharacterizationinContinuousLow-Volume NanoparticleSynthesis Reprintedfrom:Micromachines2019,10,179,doi:10.3390/mi10030179 . . . . . . . . . . . . . . . 65 VeasnaSoum, YunpyoKim, SooyongPark, MaryChuong, SooRyeonRyu, SangHoLee, GeorgiTanev,JanMadsen,Oh-SunKwonandKwanwooShin AffordableFabricationofConductiveElectrodesandDielectricFilmsforaPaper-BasedDigital MicrofluidicChip Reprintedfrom:Micromachines2019,10,109,doi:10.3390/mi10020109 . . . . . . . . . . . . . . . 81 LaanLuoandYongqingHe Magnetically Induced Flow Focusing of Non-Magnetic Microparticles in Ferrofluids under InclinedMagneticFields Reprintedfrom:Micromachines2019,10,56,doi:10.3390/mi10010056 . . . . . . . . . . . . . . . . 91 Chia-Jung Liao, Chia-Hsun Hsieh, Tzu-Keng Chiu, Yu-Xian Zhu, Hung-Ming Wang, Feng-ChunHung,Wen-PinChouandMin-HsienWu An Optically Induced Dielectrophoresis (ODEP)-Based Microfluidic System for the Isolation of High-Purity CD45neg/EpCAMneg Cells from the Blood Samples of Cancer Patients—DemonstrationandInitialExplorationoftheClinicalSignificanceofTheseCells Reprintedfrom:Micromachines2018,9,563,doi:10.3390/mi9110563 . . . . . . . . . . . . . . . . . 109 v About the Special Issue Editors XuanhongChengisanassociateprofessorintheDepartmentofMaterialsScienceandEngineering andtheDepartmentofBioengineeringatLehighUniversity.ShereceivedherPh.D.inBioengineering fromUniversityofWashingtonin2004,afterwhichshehadapostdoctoraltrainingintheDepartment ofSurgeryatMassachusettsGeneralHospital. Thefocusofherresearchistodevelopmicrofluidic devices for cell and pathogen analysis. In combination with nanomaterials and biosensors, these microfluidic devices are expected to perform automated sample processing and sensitive analyte detection towards point-of-care uses. She has published more than 60 referred technical papers, hasbeengrantedseveralU.S.patentsandhasobtainedresearchfundingfromNIH,NSF,andDoD. Yong Zeng currently is a Docking Scholar Associate Professor in the Department of Chemistry andKUCancerCenterattheUniversityofKansas. HereceivedhisPh.D.inChemistryfromthe UniversityofAlberta,Canada,completedhispostdoctoraltrainingattheUniversityofCalifornia, Berkeley, andjoinedKUasassistantprofessorin2012. Workingattheinterfaceofchemistryand biology,aprimaryaimofhisresearchistodevelopnewenablingtoolsforliquidbiopsy-basedcancer diagnosis and precision medicine. His work has led to many highly recognized publications on high-profile journals, including Nature Biomed. Eng., Chem. Sci., and Angew. Chem. Int. Ed. He receivedtheJ.R.&InezJayAwardin2014,andwasnamedastheprestigiousDockingFamilyFaculty Scholarin2017. HehasreceivedseveralmillionresearchfundingfromNationalInstituteofHealth (NIH)andotherfundingagencies. vii micromachines Editorial Editorial for the Special Issue on “Micro- and Nanofluidics for Bionanoparticle Analysis” XuanhongCheng1,*andYongZeng2,* 1 MaterialsScienceandEngineering/Bioengineering,LehighUniversity,5E.PackerAve, Bethlehem,PA18015,USA 2 DepartmentofChemistry,UniversityofKansas,1251WescoeHallDrive,Lawrence,KS66045,USA * Correspondence:[email protected](X.C.);[email protected](Y.Z.) Received:10September2019;Accepted:11September2019;Published:12September2019 Bionanoparticlessuchasmicroorganismsandexosomesarerecognizedasimportanttargetsfor clinicaldiagnosticandtherapeuticapplicationsaswellasforfoodsafetyandenvironmentalmonitoring. Othernanoscalebiologicalparticlesincludingliposomes, micelles, andfunctionalizedpolymeric particlesarewidelyusedinnanomedicine.Therecentdevelopmentofmicrofluidicandnanofluidic technologies has enabled lab-on-a-chip platforms for separating and analyzing bionanoparticles; however,manychallengesexistbeforetheseplatformsarewidelyadopted.Forexample,thecomplex compositionofbiologicalfluidscreatesahighbackgroundfordetection.Thesmalldimensionandoften lowconcentrationoftargetspeciesrequiresignificantamplificationofthesensingsignal.Thisspecial issuecollectssomerecentdiscoveriesanddevelopmentsofmicro-andnanofluidicstrategiesforthe processingandanalysisofbiologicalnanoparticles. Eight papers are published in this special issue and cover the design of microfluidics for bioseparation[1–6],incorporationofsensorswithmicrofluidicsforparticledetection[6,7],andmodular deviceswithbothfunctions[1,6,7].Nanomaterialshavebeencombinedwithmicrofluidicsforboth separation[5]andsensing[7]purposes.Thespecialissuealsoincludesareviewonprogrammable paper-basedmicrofluidics[8]. The collection of papers describe a wide spectrum of separation and sensing mechanisms. Forexample,Wangetal.[5]incorporatednanoporousmembranesintomicrofluidicchannels,and demonstratedtheseparationandenrichmentofvirusfrombiologicalfluidsthroughnanofiltration. Yangetal.[6]tookadvantageofparticleinertiaincurvedmicrofluidicchannelstoseparateand containparticlesinmicro-tanks,whichwerefurtherresolvedbyopticaldiffraction.Chengetal.[7] coatedasurfaceacousticwavesensorwithoxidizedmesoporouscarbonnanospherestotrapchemical compoundsinsmoke,wherethecoatingincreasedthesensitivityandselectivityoftheacousticwave sensor. Boltzetal.[1]designedasplit-flowdevicetoperformcontinuous,in-linequalitycontrol ofnanoparticlesynthesis. Nanoparticlesweredetectedbyincorporatingafluorescencedetector withthesidechannel. Soumetal.[4]fabricatedconductiveelectrodesanddielectricfilmsona paper-basedmicrofluidicchiptofacilitatedropletmanipulationbasedonelectrowettingondielectric materials.Luoetal.[3]studiedtheseparationofnon-magneticparticlesinferrofluidsunderamagnetic field.Liaoetal.[2]employedopticallyinduceddielectrophoresistoseparatecancercellsfromblood. ThereviewpaperbySoum[8]examinedvariouspaper-basedmicrofluidicsthatareprogrammable anddiscussedtheutilityofsuchdevicesforthedetectionofbiomarkers. Weappreciatealloftheauthorswhosubmittedpaperstothisspecialissue.Wewouldalsoliketo thankallofthereviewersfordedicatingtheirtimetohelpimprovethequalityofthesubmittedpapers. Thecollectionofpaperswillhopefullybringoutmoreinnovativeideasandfundamentalinsightsto overcomethehurdlesfacedintheseparationandanalysisofbionanoparticles. ConflictsofInterest:Theauthordeclaresnoconflictofinterest. Micromachines2019,10,600;doi:10.3390/mi10090600 1 www.mdpi.com/journal/micromachines