postdoctoral researcher

Jiajie Qian

Phone: 330-***-**** Email: *********@*******.*** 642 S Dodge St Apt 8, Iowa City, IA 52240

SUMMARY

Extensive knowledge in electrospinning polymer nanofiber manufacturing, optimization, characterization and application. Hands-on experience with air/water passive sampling devices and water filtration systems design/optimization. Familiar with polymer thin film casting and annealing procedures. Excellent time management and communication skills. Proven ability to master new techniques and methods quickly.

SKILLS AND TECHNIQUES

Chemical, Material, Environmental Engineering

Polymer electrospinning, fiber processing and functionalizing (nanocomposites and post treatments)

Passive sampling tool (air, water and sediment) preparation, deployment, cleaning, extraction

Dead-end water filtration system design

Polymer thin film manufacture involving coating (spinning coating, flow coating, and dip coating) and thermal annealing (oven annealing and cold zone annealing)

Nanomaterial (nanofiber, nanoparticle, carbon nanotube and graphene) characterization and application

Material surface treatment skills in surface functionalization, wettability adjustment

Analytical Approaches

Chemical Separation: HPLC, GC-MS, Triple Quadrupole LC-MS, ICP-MS, Ion Chromatography

Nano-morphology Characterization: TEM, SEM, AFM (tapping, peak force model), GIWAXS, GISAXS

Chemical Identification: XPS, UV-vis, FTIR, NMR

Surface Science: N2-BET, Confocal Microscope, Surface Energy Measurement, Spectroscopic Ellipsometer

Software

Microsoft Office, ImageJ, Photoshop, Lightroom, Origins, Sigma plot, ChemDraw, Python

Communication

Abilities to carefully listen and communicate with people from different backgrounds to understand needs.

Strong problem-solving skills with a comprehensive assessment.

Teamwork experience with people from different cultures.

Language: English, Mandarin Chinese

EXPERIENCE

Cwiertny Laboratory, University of Iowa

Post-Doctoral Researcher Aug. 2018 – Current

Sustainable functionalized nanofiber-based water treatment systems for nutrient removal and recovery

Electrospin surface-functionalized polymer-iron oxide composites by adding nitrate-specific ionophores, quaternary ammonium surfactants, and nano iron oxides into polymer nanofiber network.

Evaluate and identify the optimal composite materials for N and P capture with batch equilibrium and flow through experiment systems.

Integrating conducting polymers to generate an electroactive composite with autonomous regenerate features.

Design a spiral wound configuration filtration device for polymer nanofiber composites to treat small water systems.

Research Assistant Jan. 2015 – July 2018

Nanofiber-enabled multi-target passive sampling devices for legacy and emerging organic contaminants

Use electrospinning to fabricate a suite of electrospun nanofiber mats (ENMs).

Determine their capacity and mechanism of uptake for a suite of hydrophilic and hydrophobic compounds that represent both legacy and emerging pollutants.

Optimize ENMs with carbon nanotubes, silver nanoparticles, surfactants to enhance sorption performance.

Design ENM-based passive samplers for targeting multiple and diverse contaminants during field deployments in surface waters and sediments.

Apply optimized ENMs as active sorbent materials in the water filtration device to remove contaminants.

Development of electrospun polymer nanofiber mats for removal of uranium from aqueous systems

Functionalized polyacrylonitrile nanofiber by amidoximation reaction and oxidation reaction to improve sorption to uranium.

Built a pH influence system to evaluate the uranium sorption performance (uptake rate and sorption capacity) of optimized sorbent materials.

Designed a dead-end filtration system to remove uranium under a flow condition.

Karim Laboratory, University of Akron

Research Assistant Jan. 2012 - May 2014

Controlled orientation of PS-b-PMMA by blended with C60-POSS nanoparticles

Spin (or flow) casted thin film with PS-b-PMMA block copolymer/C60-POSS nanoparticles mixture.

Thermally annealed the thin film in oven or cold zone annealing apparatus to create an orientational heterogeneity of block copolymer.

Identified the appropriate way to orientate the phases and explore the dispersion of nanoparticles.

Applied thin film as lithography, semiconductor and hard disk storage material.

Qi Laboratory, High-Temperature Material Research Laboratory of ECUST

Research Assistant Oct. 2009 - May 2011

Synthesis of Si-containing hyperbranched polymer

Synthesized diphenyl ether type hyperbranched Si-containing aryloxide aryne resins.

Designed a heat resisting material with this hyperbranched resin.

Shanghai Huaxin Friction Material Corporation, Shanghai, China (Internship) Jun. 2010 – Jul. 2010

Assisted senior colleagues and study the general processes of brake pad manufacture and operation.

AWARDS

YES Grant, SETAC Fund Feb. 2018

Graduate College Summer Fellowship, Uiowa Apr. 2017

Ballard Seashore Fellowship, Uiowa Mar. 2017

Outstanding Graduates of ECUST Jun. 2011

Borouge Scholarship, Borouge Incorporated Oct. 2010

Outstanding World Exposition (Expo 2010 Shanghai) Volunteers by Expo Committee Jun. 2010

Qiliu Scholarship, Mr.Qi and Mrs. Liu Fund Nov. 2008

Outstanding Academic Scholarship, ECUST:

2008, First Grade; 2009, Third Grade; 2010, Second Grade; 2011 Second Grade

Social Activity Award, ECUST:

2008, Third Grade; 2009, Second Grade; 2010, First Grade; 2011, First Grade

EDUCATION

Ph.D. in Chemical and Biochemical Engineering Aug. 2018

University of Iowa, Iowa, USA

M.S. in Polymer Engineering May 2014

University of Akron, Ohio, USA

B.S. in Composite Material Engineering Jun. 2011

East China University of Science and Technology (ECUST), Shanghai, China

PUBLICATIONS & CONFERENCE PRESENTATIONS

Qian, J.; Martinez, A.; Marek, R. F.; Nagorzanski, M.; Hui, Z.; Furlong, E. T.; Kolpin, D.; LeFevre, G. H.; Cwiertny, D. M., Polymeric nanofiber-carbon nanotube composite mats as passive sampling media for polar organic pollutants. Environ. Sci. Technol. Submitted.

Qian, J.; Jennings, B.; Cwiertny, D.; Martinez, A., Emerging investigator series: development and application of polymeric electrospun nanofiber mats as equilibrium-passive sampler media for organic compounds. Environmental Science: Processes & Impacts 2017, 19, (11), 1445-1456.

Qian, J.; Jennings, B.; Nagorzanski, M.; Martinez, A.; Cwiertny, D.M. Development of carbon nanotube optimized electrospun polymer nanofiber as a novel equilibrium passive sampler media for organic pollutants. Presented at the 7th SETAC Young Environmental Scientists Meeting, Madison, WI, March 25-29, 2017.

Qian, J.; Jennings, B.; Martinez, A.; Cwiertny, D.M. Development of a nanotechnology enabled passive sampling device for legacy and emerging organic pollutant. Presented at the 254th ACS National Meeting & Exposition, Washington, DC, August 20-24, 2017.

Qian, J., Control Of C60-POSS Nano Particle Locaiton In Directed Self-Assembly of Block Copolymer Thin Films. 2014, University of Akron.

Contact this candidate