Keekyoung Kim

Development of a Low-cost Extrusion Multi-nozzle 3D Bioprinter for Complex Constructs

This paper develops a low-cost, multi-nozzle 3D bioprinter capable of printing up to 10 different bioinks with high positional accuracy and repeatability.

Bioprinting Taurine-Incorporated Gelatin Methacrylate Hydrogels for Enhanced Muscle Tissue Regeneration

This study develops a novel bioink, GelMA-TMA, which enhances muscle tissue regeneration by improving mechanical properties and cell function in 3D-printed scaffolds.

Extending the limits of 3D printed polymers on paper towards bioanalytical sensing

This paper develops 3D printed hydrophobic barriers on paper for microfluidic biosensing, identifying polypropylene as the optimal material for creating functional microchannels.

Label-free toehold mediated strand displacement on 3D printed hybrid paper-polymer platform for protein sensing

This paper develops a 3D printed DNA logic gate for detecting PDGF BB with pico molar sensitivity and specificity.

A Novel GelMA-OrnMA Electrically Conductive Bioink for Developing Engineered Neural Tissues

This paper introduces a novel conductive bioink, GelMA-OrnMA, that supports astrocyte proliferation, matches native neural tissue stiffness, and provides electrical conductivity for engineered neural tissues.

3D bioprinting of Liver Microenvironment Model Using Photocrosslinkable Decellularized Extracellular Matrix based Hydrogel

This paper develops a photocrosslinkable liver decellularized extracellular matrix hydrogel for 3D bioprinting, showing enhanced liver cell proliferation and function.

3D Bioprinting of Kidney Tissue Using a Photocrosslinkable Hydrogel Derived from Decellularized Extracellular Matrix

This study develops a photocrosslinkable bioink from decellularized porcine kidney extracellular matrix for 3D bioprinting, showing high cell viability and proliferation in human embryonic kidney cells.

Machine Learning Driven Optimization for High Precision Cellular Droplet Bioprinting

The paper develops machine learning models to predict droplet volumes in bioprinting by optimizing parameters like viscosity and pressure, achieving precise volume control for biomedical applications.

Direct Ink Writing of Graphene Oxide Reinforced 13-93B1 Bioactive Glass Scaffolds for Bone Tissue Engineering Applications

This paper fabricates graphene oxide-reinforced 13-93B1 bioactive glass scaffolds using direct ink writing and evaluates their mechanical, structural, and biological properties for bone tissue engineering.