29.  Dagan Zhang, Biao Ma,  Litianyi Tang, Hong Liu,* Towards Quantitative Chemical Analysis Using a Ruler on Paper: An Approach to Transduce Color to Length Based on Coffee-Ring Effect. Anal. Chem. 2018,  90, 1482–1486. [full text]


28. Biao Ma, Junjie Chi, and Hong Liu,* Fabric-Based Ion Concentration Polarization for Pump-Free Water Desalination.  ACS Sustainable Chem. Eng., 2018, 6, 99–103. [full text]


27. Dagan Zhang, Bingbing Gao, Yangtian Chen, and Hong Liu,* Converting Colour to Length Based on Coffee-Ring Effect for Quantitative Immunoassays Using a Ruler as Readout. Lab Chip,  2018, 18, 271-275. [full text]


26.  Yueshuang Xu, Huan Wang, Chengxin Luan, Fanfan Fu, Baoan Chen,* Hong Liu,* and Yuanjin Zhao, * Porous Hydrogel Encapsulated Photonic Barcodes for Multiplex MicroRNA Quantification. Adv. Funct. Mat. 2017, 1704458. [full text]


25. Bingbing Gao, Litianyi Tang, Dagan Zhang, Zhuoying Xie, Enben Su, Hong Liu,* and Zhongze Gu,*  Transpiration-Inspired Fabrication of Opal Capillary with Multiple Heterostructures for Multiplex Aptamer-Based Fluorescent Assays. ACS Appl. Mater. Interfaces, 2017, 9, 32577–32582. [full text]


24.Bingbing Gao, Junjie Chi,Hong Liu,* and Zhongze Gu,* Vertical Paper Analytical Devices Fabricated Using the Principles of Quilling and Kirigami. Sci. Rep.2017, 7255. [full text]


23.Junjie Chi, Bingbing Gao, Mi Sun, Fengling Zhang, Enben Su, Hong Liu,* and Zhongze Gu,* Patterned Photonic Nitrocellulose for Pseudo-paper ELISA. Anal. Chem. 2017, 89, 7727-7733. [full text]


22.Fengling Zhang, Tianyi Cai, Liang Ma, Liyuan Zhan and Hong Liu,* “A Paper-Based Electrochromic Array for Visualized Electrochemical Sensing” Sensors, 2017, 17, 276.[full text]


21.Wentao Yang, Lin Zhang, Hong Liu,* and Zhongze Gu, “Smartphone-based Paper Microfluidic Device for Potentiometric Detection of Pesticide” Chinese J. Anal. Chem. 2016, 4, 586-590.[full text]


20. Bingbing Gao, Hong Liu,* and Zhongze Gu,* “Patterned Photonic Nitrocellulose for Pseudo-Paper Microfluidics” Anal. Chem. , 2016, 88, 5424–5429. [full text]



19. Bingbing Gao, Hong Liu,* and Zhongze Gu*, “An exothermic chip for point-of-care testing using a forehead thermometer as a readout” Lab Chip, 2016,16, 525-531. [full text]



18. Lin Zhang, Wentao Yang, Yuankui Yang, Hong Liu* and Zhongze Gu*, “Smartphone-based point-of-care testing of salivary α-amylase for personal psychological measurement” Analyst, 2015, 140, 7399–7406. [full text]



17. Bingbing Gao, Hong Liu,* and Zhongze Gu*, “Bottom-Up Fabrication of Paper-Based Microchips by Blade Coating of Cellulose Microfibers on a Patterned Surface” Langmuir 2014, 30, 15041-15046. [full text]



16. Liu, H. Li, X. and Crooks, R. M. “Paper-Based SlipPAD for High-Throughput Multiplexed Chemical Sensing.” Anal. Chem. 2013, 85, 4263−4267. [full text]

Abstract Image
15. Liu, H. and Crooks, R. M. “Highly reproducible chronoamperometric analysis in microdroplets.” Lab Chip 2013, 13, 1364-1370. [full text]



14. Liu, H. and Crooks, R. M. “Determination of percent hemoglobin a1c using a potentiometric method.”Anal. Chem. 2013, 85, 1834−1839. [full text]

Abstract Image

13. Liu, H. Xiang, Y.; Lu, Y. and Crooks, R. M. “Aptamer-based origami paper analytical device for electrochemical detection of adenosine”, Angew. Chem. Int. Ed. 2012, 51, 6925-6928. [full text]

12. Liu, H. and Crooks, R. M. “A paper-based electrochemical sensing platform with integral battery and electrochromic read-out”, Anal. Chem. 2012, 84, 2528−2532. [full text]

11. Liu, H. and Crooks, R. M. “Three-dimensional paper microfluidic devices assembled using the principles of origami”, J. Am. Chem. Soc. 2011, 133, 17564-17566. highlighted on Nature Materials, Lab Chip, C&EN news, R&D Magazine etc. An online slideshow for the oPAD story ( [full text]

10. Liu, H.; Yang, Z. J.; Yan, F.; Xu, Y. M. and Ju, H. X. “Three-minute-long chemiluminescent immunoassay using dually accelerated immunoreaction by infrared heating and passive mixing”, Anal. Chem. 2009, 81, 4043-4047. [full text]

9. Liu, H.; Fu, Z. F.; Yang, Z. J.; Yan, F. and Ju, H. X. “Sampling-resolution strategy for one-way multiplexed immunoassay with sequential chemiluminescent detection”, Anal. Chem. 2008, 80, 5654-5659. [full text]