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Lab life!

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Kellen successfully defended his dissertation "Interface-engineered Additive Manufacturing of Thermoplastic Polymers: Printing Technique and Material Design for End-use Manufacturing." Congratulations Dr. Mitchell!

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Kellen presenting his dissertation. Congratulations Dr. Mitchell!

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Graduate student dinner (Left to right: Ryan, Lily, Michelle, Dr. Jin, Liam, Kyle, Kellen, and Shanti). December 14, 2025.

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Lily Raymond at the NAMRC 53/MSEC 2025 Conference in Greenville, SC presenting her work "Digital Light Processing of Microfluidic Chips for Cell Separation" on June 26, 2025.

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Lily Raymond at the NAMRC 53/MSEC 2025 Conference in Greenville, SC presenting her work "Digital Light Processing of Microfluidic Chips for Cell Separation" on June 26, 2025.

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Lily Raymond at the NAMRC 53/MSEC 2025 Conference in Greenville, SC.

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Lily Raymond at Clemson University.

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Lily Raymond outside the Mechanical Engineering Flour Daniel building at Clemson University.

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Lily Raymond with other students studying in New York, Belgium, North Carolina, and Illinois.

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Master Erick and Dr. Weijian!

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Erick and Dr. Jin.

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Kellen and Erick.

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Erick and Liam.

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Erick and Devin.

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Erick and Shanti.

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Erick and Lily.

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Shumin, Weijian, Erick, and Lily.

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Graduation day! (Left to right: Austin from Dr. van Breugel's research lab, Shanti, Erick, Liam, Dr. Jin, Kyle, Devin, Ryan, Lily and Kellen)

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Lily with a digital light processing 3D print of a heart.

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Lab celebration for Dr. Hua! (Left to right: Dr. Jin, Michelle, Liam, Ryan, Erick, Weijian, Shumin, Kyle, Kellen, Eric, Shanti, and Lily)

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Weijian Hua defending his dissertation entitled "Hydrogel-Particle Interaction-Powered Embedded Ink Writing: from Material Design to Biomedical Applications." May 28, 2025.

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Weijian Hua defending his dissertation entitled "Hydrogel-Particle Interaction-Powered Embedded Ink Writing: from Material Design to Biomedical Applications." May 28, 2025.

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Weijian Hua presenting his first-author works (submitted journal papers not shown). May 28, 2025.

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Weijian Hua defending his dissertation entitled "Hydrogel-Particle Interaction-Powered Embedded Ink Writing: from Material Design to Biomedical Applications." May 28, 2025.

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Lily Raymond and her sister Melanie Raymond at the UNR Innevation Center Makerthon Competition. May 27, 2025.

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Lily Raymond, Daniel Smith (Makerspace Specialist at the UNR Innevation Center), and her sister Melanie Raymond at the Kolo 8 News Station after the UNR Innevation Center Makerthon Competition. May 28, 2025.

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Lily Raymond's segment from Kolo 8 News Station after winning the UNR Innevation Center Makerthon Competition. May 28, 2025.

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Melanie Raymond's segment from Kolo 8 News Station after winning the UNR Innevation Center Makerthon Competition. May 28, 2025.

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Erick Bandala presents his presentation at the 2025 Nevada Space Grant and NASA EPSCoR Statewide Meeting. March 10, 2025.

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Erick Bandala presents his presentation (slide: different prints and their applications) at the 2025 Nevada Space Grant and NASA EPSCoR Statewide Meeting. March 10, 2025.

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Erick Bandala presents his presentation (slide: his published paper) at the 2025 Nevada Space Grant and NASA EPSCoR Statewide Meeting. March 10, 2025.

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2025 Nevada Space Grant and NASA EPSCoR Statewide Meeting. Left to right: Dr. Jin, Erick Bandala, and Lily Raymond. March 10, 2025.

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December 2024 group dinner at Texas Roadhouse. Left to right: Dr. Jin, Michelle, Kellen Mitchell, Weijian Hua, Erick Bandala, Lily Raymond, Ryan Coulter, and Liam Bond.

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July 2024 group lab photo before Cheng departs back to Dalian University of Technology. Left to right: Ryan Coulter, Weijian Hua, Erick Bandala, Kellen Mitchell, Cheng Zhang, Lily Raymond, Dr. Jin and Michelle.

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Cheng received his gift from Dr. Jin and Michelle. Cheng has been with our lab since June 2022 to July 2024 and will go back to Dalian University of Technology to complete his PhD in Mechanical Engineering.

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​Kellen Mitchell's paper "Embedded Fused Deposition Modeling of PCL Orbital Implants with Enhanced Performance" was awarded 3rd Best Paper Award in the 2024 ASME Manufacturing Science and Engineering Conference. Aidan Shackleford and Erick Bandala are 2nd and 3rd author. June 19, 2024.

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Kellen Mitchell's paper "Particle-Polymer Interactions for 3D Printing Material Design" was retweeted by Dr. Jennifer Lewis at Havard University. February 3, 2024. 

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Lab group at end of the year dinner. Clockwise from bottom left: Weijian, Cheng, Ryan, Kellen, Erick, Lily, Michelle, and Dr. Jin.

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Lily Raymond, Erick Bandala, and Kellen Mitchell at Western Nevada College for the Nevada NASA Statewide meeting in Carson City, NV. April 28, 2023.

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Lily Raymond, Erick Bandala, and Dr. Jin at Western Nevada College for the Nevada NASA Statewide meeting in Carson City, NV. April 28, 2023.

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Kellen Mitchell, Erick Bandala, Dr. Jin, and Lily Raymond at Western Nevada College for the Nevada NASA Statewide meeting in Carson City, NV. April 28, 2023. 

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Kellen Mitchell presenting at the Nevada NASA Statewide meeting in Carson City, NV. April 28, 2023. 

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Weijian Hua with his poster at the ME Graduate Research Poster Competition. April 27, 2023.

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Erick Bandala with his poster at the ME Graduate Research Poster Competition. April 27, 2023. 

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Lily Raymond with her poster at the ME Graduate Research Poster Competition. April 27, 2023. 

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ME Graduate Research Poster Competition group photo (Weijian Hua, Cheng Zhang, Kellen Mitchell, Erick Bandala and Lily Raymond pictured). April 27, 2023. 

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Group lunch December 11, 2022.

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Naima successfully defended her Master’s thesis: Direct Ink Writing of Porous Titanium Acetabular Cups. December 5, 2022.

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Kellen's artificial muscle printhead/nozzle schematic was chosen as the cover page for Machines. September 8, 2022.

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Kellen was awarded 3rd place in the Mechanical Engineering Department poster competition. May 4, 2022.

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Dr. Jin, Kellen Mitchell, and Weijian Hua at Purdue University for the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Weijian Hua presenting "Embedded 3D Printing of PDMS-Based Microfluidic Chips for Biomedical Applications" at the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Kellen Mitchell at the Chicago Sports Museum after the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Weijian Hua at the Chicago Sports Museum after the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Kellen Mitchell, Dr. Jin, and Weijian Hua in Chicago after the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Kellen Mitchell at the X after the 2022 Manufacturing Science and Engineering Conference (MSEC) (June 27, 2022 - July 1, 2022).

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Dr. Jin, Kellen, and Lily attended the Nevada NASA Space Grant Consortium Statewide Meeting at the Desert Research Institute in Las Vegas, NV. April 29, 2022.


Dr. Jin presented a material extrusion method to manufacture artificial muscles using a printhead with a helix-shaped channel.

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Kellen and Lily presented their posters at the Nevada NASA Space Grant Consortium Statewide Meeting at the Desert Research Institute in Las Vegas, NV. April 29, 2022. ​​

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Lily successfully defended her Master’s thesis: Hybrid Extrusion 3D Printing of Self-Deployable Smart Solar Panel Hinges. April 26, 2022.

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Ryan, Lily, and David Bombara (a Master’s student in Mechanical Engineering from Dr. Zhang’s Smart Robotics Lab) all were awarded the National Science Foundation Graduate Research Fellowship Program. April 3, 2022.

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Erick  (left) won 1st place in the 2022 Madani-Gordaninejad Speech Contest, in which he presented why 3D printed organs is the future solution for the organ shortage. April 8, 2022.

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Erick presented his project “3D Printing of Graphene Oxide-Based Supercapacitor for Solar Energy Storage” at UNR's undergraduate research poster symposium on August 5, 2021.

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Lily giving a tour of the lab high school students. Weijian, Kellen, and Ryan have also given lab tours.

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​Naima giving a tour of the lab high school students. Weijian, Kellen, and Ryan have also given lab tours.

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Weijian (left) and Ryan (right) imaged on a temperature sensitive camera.

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Weijian with a strand of sodium alginate cured in calcium chloride.

Contact us:

E-mail: yifeij@unr.edu
Office Phone: (775) 784-1412
Office: Palmer Engineering 230

Laboratory Location:
Harry Reid Engineering Laboratory (HREL) Rooms: 207 and 305

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