1. Bhupendra Pratap Singh, Qi-Jia Hong, Shug-June Hwang, Engineering Microporous Cholesteric Liquid Crystal Interpenetrating Polymer Network Photonic Arrays for Enzyme-Amplified Optical Urea Detection, Chemical Engineering Journal Advances, 26 (2026) 101223. doi: 10.1016/j.ceja.2026.101223

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2. Bhupendra Pratap Singh, Shug-June Hwang, Graphene Oxide-Enhanced Polymer Cholesteric Photonic Array Dots for Linear, Reversible and Selective Alcohol Identification, Advanced Composites and Hybrid Materials, (2026) 9:128. doi: 10.1007/s42114-026-01670-5.

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3. Ping-Hsueh Chiang, Bhupendra Pratap Singh, Shug-June Hwang, Gas-responsive cholesteric core-sheath fibers with UV-stabilized helical order for ultrafast and reversible VOC sensing, Sensors and Actuators: A. Physical 399 (2026) 117461. doi: 10.1016/j.sna.2026.117461

1. Jia-Wei Wang, Bhupendra Pratap Singh, and Shug-June Hwang, Photopatterned surface polymer-stabilized alignment (SPSA) for tunable liquid crystal long-period fiber gratings in hollow core fibers: a novel fabrication strategy inspired by SPSA, J. Phys. Photonics 8 (2026) 015024. doi: 10.1088/2515-7647/ae1ebc

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2. Piyush Mishra, Sadhak Khanna, Priyanshi Gupta, Sankalp Pathak, Hariom Mishra, Bhupendra Pratap Singh, Pallavi Mishra, Purushottam Singh Niranjan, Shug-June Hwang, Ved Varun Agrawal, Affordable smartphone-assisted diagnostics: computer vision on paper microfluidics for uric acid detection, Chemical Engineering Science 318 (2025) 122202. doi: 10.1016/j.ces.2025.122202

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3. Ayushi Singh, Piyush Mishra, Bhupendra Pratap Singh, Shug-June Hwang, Dielectric and Electro-Optical Properties of Nematic Liquid Crystals Dispersed with Carboxylated Nanodiamond: Implications for High-Performance Electro-Optical Devices, ACS Appl. Nano Mater. 2025, 8, 27, 13729–13741. doi: 10.1021/acsanm.5c01896

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4. Jia-Wei Wang, Yu-Pei Tseng, Bhupendra Pratap Singh, Shug-June Hwang, Advanced and unique alignment control technique for liquid crystal-infiltrated hollow core fiber devices with high electrical-tunability, JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 43, NO. 11, JUNE 1, 2025 doi: 10.1109/JLT.2025.3548850

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5. Piyush Mishra, Priyanshi Gupta, Sadhak Khanna, Bhupendra Pratap Singh, Pallavi Mishra, Swapnil Srivastava, Sapna Yadav, Sneha Kadian, Shug-June Hwang, Ved Varun Agrawal, Empowering agriculture: rapid on-site soil nutrient detection with microfluidic colorimetry, Mater. Adv., 2025, 6, 2942-2955. doi: 10.1039/D4MA00971A

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6. Manpreet Kaur, Pankaj Kumar Tripathi, Bhupendra Pratap Singh, Kunwar Vikram, Gautam Singh, Praveen Malik, Rajiv Manohar, Shug-June Hwang, Morphology, dielectric, electro-optical and optical properties of diamond nanoparticle doped negative dielectric anisotropy liquid crystal, Journal of Molecular Liquids 417 (2025) 126571. doi: https://doi.org/10.1016/j.molliq.2024.126571

1. Hua-Yang Lin, Bhupendra Pratap Singh, Shug-June Hwang, A comprehensive study on electrospun cholesteric liquid crystal core fibers for detecting volatile organic compounds, Materials Today Communications 41 (2024) 110276, doi: https://doi.org/10.1016/j.mtcomm.2024.110276

 

2. Guan-Ting Li, Chia-Hsien Hsu, Bhupendra Pratap Singh, Shug-June Hwang, Reversible photomechanical actuators with liquid crystal polymer graphene oxide nanocomposites, J. Mater. Chem. C, 2025, 13, 2198-2209. doi: 10.1039/D4TC04063E

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3. Bhupendra Pratap Singh, Ayushi Singh, Mohd Avaish, Shikha Agarwal, Keshav Kumar Singh, Rajiv Manohar, Syed Salman Ahmad Warsi, Mohammad Rafe Hatshan, Che-Yen Huang, Shug-June Hwang, Kamal Kumar Pandey, Synergistic effects of anionic surfactant doping on dielectric and electro-optical properties of nematic liquid crystals by cyano-ionic interactions, Journal of Molecular Liquids 413 (2024) 125937. doi: https://doi.org/10.1016/j.molliq.2024.125937

 

4. Piyush Mishra, Priyanshi Gupta, Bhupendra Pratap Singh, Rashi Kedia, Swapnil Shrivastava, Shug-June Hwang, Ved Varun Agrawal, Advancing paper microfluidics: A strategic approach for rapid fabrication of microfluidic paper-based analytical devices (µPADs) enabling in-vitro sensing of creatinine, Journal of Molecular Liquids 411 (2024) 125707. doi: https://doi.org/10.1016/j.molliq.2024.125707

 

5. Bhupendra Pratap Singh and Shug-June Hwang, Unveiling the Potential of Polymer Cholesteric Liquid Crystal Interpenetrating Networks as a Label-Free Alcohol Biochemical Sensor, Analyst, 2024, 149, 3456. doi:  https://doi.org/10.1039/D4AN00464G

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6. Bhupendra Pratap Singh, Piyush Mishra, Mohammad Rafe Hatshan, Dharmendra Pratap Singh, Shug-June Hwang, Unveiling the role of electrode polarization in modulating dielectric and electro-optical properties of SnSe dispersed nematic liquid crystal, Mater. Adv., 2024, 5, 349-360. doi: 10.1039/D3MA00769C

1. Hsien-Pin Su, Shug-June Hwang, A novel approach to fabricate high performance electrically tunable fiber device based on well-aligned liquid crystal- infiltrated hollow core fiber, Optics and Laser Technology 164 (2023) 109416 110276, doi: https://doi.org/10.1016/j.optlastec.2023.109416

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1. Ming-Fu Liu, Jia-Wei Wang, Shug-June Hwang, In-fiber Mach-Zehnder interferometer based on hollow optic fiber for metal ion detection, Optics Express 30.15 (2022): 26006-26017. doi: doi.org/10.1364/OE.459221

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2. Tai-Yuan Yeh, Ming-Fu Liu, Ru-De Lin, Shug-June Hwang, Alcohol Selective Optical Sensor Based on Porous Cholesteric Liquid Crystal Polymer Networks, Molecules 2022, 27(3), 773. doi: https://doi.org/10.3390/molecules27030773