COSM Weekly Issue 56

Page 1


THE COLLEGE OF SCIENCE AND MATHEMATICS

COLLABORATIVE GRANT INITIATIVE

Fall2025ProjectsSelectedforSupport

MicrofluidicOrganoidPlatform:AdvancingMechanisticInsightsintoOvarianCancerInitiation

PIs:DragosAmarie(Physics,GS)andDwayneStupack(AssociateDirector,USSanDiegoMooresCancer Center(MCC),andDepartmentofObstetrics,GynecologyandReproductiveScience,UCSD)

Abstract:Thisprojectproposestouseamicrofluidicorganoidplatformtoconductpilotstudies investigatingtheaccumulationofgeneticlesionsovertime,aimingtounderstandovariancancerinitiation Thecentralhypothesisisthatchronic,iterativeexposuretoreactiveoxidativestress(generatedviathe Fentonreaction)combinedwithmechanicalinsultslikehydrostaticpressure,canpromotegenetic mutationsintubalepithelialcells,leadingtotumorigenesis ThestudywillreplicatetheFallopiantube microenvironmentusingamicrofluidicchambertoexposeselectFallopiantubeepithelial(FTE)cellsto gradientsofhydrogenperoxideandhemin,alongwithhydrostaticpressure,totrackgeneticalterationsvia single-cellgenesequencing

DevelopmentofLAT1-mediatedcancerdrugswithbrainpermeability

PIs:JannetKocerha(AssociateProfessor,GeorgiaSouthernUniversity),KarelleAiken(AssociateProfessor, GeorgiaSouthernUniversity),andRobertMans(AssociateProfessor,GeorgiaSouthernUniversity)

Abstract:Thiscollaborativeprojectfocusesondevelopingsmall-moleculedrugswithanticancer propertiesthatcanpermeatetheblood-brainbarrier(BBB) LeveragingthefactthattheLargeNeutral AminoAcidTransporter1(LAT1)ishighlyupregulatedinnearlyallcancercellsandpresentintheBBB,the teamaimstodesignLAT1-mediateddrugstotargetmetastaticbraincancers Theproposaloutlinesthree aims:assessingdrugtherapeuticpotentialwithcellviabilityassaysandintracellulartracking,conductingin vitroBBBstudiesusingmodelsliketheParallelArtificialMembranePermeabilityAssay(PAMPA),and performinginvivoBBBstudieswithazebrafishmodeltoinvestigatedrugfluorescenceinthebrainand otherorgans

QuantificationofSoilbornePathogensusingCarbonNanotubeMembranes

PIs:Dr.TiehangWu(Biology)andDr.JiWu(Chemistry)

Abstract:Thisprojectproposesafeasibilitystudytodevelopanovelnanostructuredsoilbornepathogen sensorarrayusingtheionicrectificationpropertyofconductivecarbonnanotube(CNT)membranes.The researchhypothesizesthatCNTmembranesfunctionalizedwithpeptidenucleicacid(PNA)probe moleculeswillexhibitsignificantionicrectificationonlywhenexposedtocomplementaryDNAofsoilborne pathogens,providingaportable,sensitive,selective,andlabel-freedetectionmechanism.Theobjectives includefabricatingpatternedCNTmembranes,functionalizingtheirporeswithPNAprobesforselective bindingtopathogenicDNA,andquantifyingpathogenconcentrations,includingdifferentiatinglivefrom deceasedpathogens,usingtheionicrectificationfactor.

Impactsofoceanalkalinityenhancementoncoastalresources

PIs:JohnCarroll(Biology&ICPS),TylerCyronak(SEESICPS),andHeatherJoesting(Biology&SARC)

Abstract:Thisprojectaimstoexploretheimpactsofoceanalkalinityenhancement(OAE)usingolivine,a commonlyusedOAEsubstrate,onimportantcoastalresources.OAEisamarinecarbondioxideremoval (mCDR)methodthatincreasesseawateralkalinitytoenhanceCO₂storage WhileOAEmayoffercobenefitstomarineecosystems,itspotentialnegativeconsequencesforcoastalfloraandfaunaare underexplored Theprojectwillinvestigatehowolivineapplicationaffectsmarshplantgrowthandsurvival inthefieldbymonitoringstemdensity,plantheight,andchemicalelementsinplanttissues,andhowit affectsoysterrecruitmentandgrowthbyenumeratingrecruits,measuringoysterspatsize,andcalculating oystersurvivalandconditionindex

Microstructure-EngineeredVO2forAdvancedThermochromicSmartWindows

PIs:NaLiu(PI),GangChen(Co-PI),WenjieLi(Co-PI)

Abstract:Thisprojectaddressesthesignificantenergyconsumptioninbuildings,particularlydueto inefficientwindows,byproposingthermochromicsmartwindowsbasedonvanadiumdioxide(VO2) VO2 dynamicallyregulatesindoorsolarirradiationbyundergoingareversiblemetal-insulatortransition(MIT), blockingnear-infrared(NIR)radiationathightemperatureswhilemaintainingvisibletransparencyat coolertemperatures Theprojectaimstoestablishmicrostructure-engineered,metal-dopedVO2thinfilms thatachievesharpandreversibleswitchingnearroomtemperature,improvedsolarmodulationandvisible transparency,andstableperformanceunderthermalcycling Theresearchwillinvolvesynthesizingand microstructurallyengineeringmetal-dopedVO2thinfilmsusingspincoating,systematicallyvarying dopants(eg,W,Mo,Ti)totunetransitiontemperatureandoptimizemicrostructure,characterizingoptical propertiesusingin-situUV–Vis–NIRspectroscopy,andtestingdurabilityunderrepeatedheating/cooling cycles

COUR: RESEARCH AWARDS

Facultyproposalsforthe2025-2026COURResearchAwards

TheCOSMOfficeofUndergraduateResearch(COUR)invitesfacultyproposalsforthe2025-2026COUR Research Awards. Please note that the application instructions have changed for this award and is now a faculty-led application process. The awards are still designed to support undergraduate researchinCOSMbyenhancingexperientiallearningforstudents.Awardsupto$3000willbemadeto thebestsubmittedproposalstocoverthefollowing:

Upto$2000foranundergraduatestudentstipend;and Up to $1000 for supplies/equipment and travel associated with the research project (with the exceptionofconferencetravel)

To qualify, a faculty member must include plans to mentor a student enrolled as an undergraduate majororminorinoneofthedepartmentsunderCOSM. Applicationsmustbesubmittedonlinehere.

Formoreinformation,visithttps://www.georgiasouthern.edu/cosm/cour/ or

EmailDr.HeatherJoesting(hjoesting@georgiasouthern.edu).

ApplicationsaredueSeptember22,2025

INTERIM SEARCH

InterimChairfortheDepartmentofBiomedicalSciences

WearereadytotakethenextstepinformingtheDepartmentofBiomedicalSciencesbyhiringan interimdepartmentchair Theinterimchairwillbetaskedwiththefollowing:

ProvidingoversightoftheBSBiomedicalSciencesprogram

AssistingwithrecruitmenteffortsfortheBSBiomedicalSciencesprogram

CompletingtheworktoestablishthePhDBiomedicalSciencesprogram

InitiatingarecruitmentcampaignforthePhDprogram

WorkingwiththeCenterforBiomedicalResearchandInnovationtoinitiatesearchesforthenew tenuretrackfacultypositions

Inaddition,theinterimchairwillprovidedepartmentleadershipasoutlinedintheCOSMBylawsand Manual(Pages7-9,2025version).

Facultyapplyingforthepositionshouldsendacoverletteroutliningtheirqualificationsfortheposition andanupdatedCVdirectlytoDeanHugginsatmhuggins@georgiasouthernedunolaterthanFriday, September19th

CCRL - INSTRUMENT OF THE WEEK

ThisweekisfocusedontheICP-MSinstruments.

TheICP-MSisaversatileinstrumentcapableofanalyzingawidevarietyofsampletypesfortheir elementalcomposition.

SampleTypes:

Environmentalsamples:Thisisaprimaryapplication,includingthemonitoringofwatersamples.

Foodsamples:Caneffectivelymeasurebothmacro-levelnutritionalelementsandlower-level traceelementsindigestedfoodmaterials,suchasgrainsandmilkpowder.

Pharmaceuticalproducts:It'ssuitableforanalyzingpharmaceuticalsanddeterminingthelevelsof toxicologicallyrelevantelements.

Petrochemicalandspeciationsolvents:Thesystem'srobustdesignwithafree-runningRFplasma generatormakesitidealforthesedemandingsamples.

Solidsamples:Thesystemcanbecoupledwithtechniqueslikelaserablationforanalyzingsolid samples

SamplescontaininghydrofluoricacidorsemiconductorgradechemicalsandSiwafersamples: UsinginertPFAsampleintroductionsystemsallowsfortheanalysisofthesechallengingmatrices

Capabilities:

Highsensitivityandlowdetectionlimits:Theinstrumentcandetectmanyelementsatverylow concentrations,evenbelow1pptforsomeelementslikeBe,Co,andIn.

Widedynamicrange:Itcanmeasureelementsacrossabroadrangeofconcentrations,from ultratracelevelstohigherconcentrations,withouttheneedforextensivesampledilution.

Interferenceremoval:TheinstrumentutilizesaUniversalCellTechnologythat,inCollisionmode, usesasimplenon-reactivegastoremovemanyinterferences,orinReactionmode,usesa reactivegastoeliminateallinterferenceswithminimalanalytesensitivityloss.

Robustandstabledesign:TheTripleConeInterfaceandQuadrupoleIonDeflectorhelpmaintain signalstabilitybyefficientlyremovingun-ionizedmaterialandminimizingdepositiononinternal components,leadingtolessdriftandlonger-termstability,evenwithhigh-matrixsamples.

Flexiblesampleintroduction:Itcanaccommodatevarioussampleintroductionsystems,including thoseforliquidandsolidsamples

Fastanalysis:Thefast-scanningquadrupolecontributestorapidanalysis

Insummary,theICP-MSisapowerfulandflexible instrumentwell-suitedforawidearrayof elementalanalysisapplicationsacross diversesampletypes,escpeciallywhere highsensitivity,interferenceremoval,and matrixtoleranceareimportant.

IfyouhavenotusedtheICP-MS, pleasecontactDarrinMooreforasession.

SMART CENTER FREE TUTORING

Asyoubeginthissemesterofmathand/orscienceclasses,Ijustwantyoutoknowthatthereishelp availableforyourstudents.QualifiedstudentsareworkingaspeertutorsintheGeorgiaSouthern SMARTCenterandwanttohelpstudentssucceedinyourclasses.

TheSMARTCenteriscurrentlyofferingin-persontutoringsessions Studentsdonotneedan appointmenttoreceivethishelp Theycanalsousethecenterasaplacetoworkontheirhomework andaskquestions,asneeded,fromaqualifiedpeertutor

TheSMARTCenteroffersfreetutoringinthefollowing:

AnatomyandPhysiology

Biology

GeneralandOrganicChemistry

Physics

Statistics

Mathematics

Alimitednumberofvirtualtutoringsessionsarealsoavailable.Studentscanfollowthese instructionstoscheduleavirtualappointmentthroughthePenjiapp.

TheSMARTCenterislocatedontheArmstrongcampusinScienceCenterroom132

Ifyoucouldhelppromoteourservicesinyourclassesandincludedetailsinfolio,itcanbeagreat helptogettingstudentstodobetterintheirclasses

Formoreinformation,contactMattBrown:

Email:mbrown@georgiasouthern.edu

Ph 912 344 3165

COLLEGE OF SCIENCE AND MATHEMATICS

VISITUSONLINEATGEORGIASOUTHERN.EDU/COSM

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