Changchun Liu, PhDProfessor Biomedical Engineering
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Paradigm shifts in biomedical field often arise from innovations in measurement methods. Our research group is interested in applying interdisciplinary approaches to develop new tools and methods to solve current challenges in life sciences, such as disease diagnostics, medical therapeutics, as well as personalized medicine. We are a diverse team of scientists and engineers with broad expertise spanning molecular biology, CRISPR technology, synthetic biology and chemistry to engineering. Our current research focuses on the integration of micro- and nanotechnology with biology and medicine, and their biomedical applications. Our research philosophy is “Interdisciplinary Integration and Innovation (I3)”.
Degree | Institution | Major |
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BS | Yunnan University | Applied Chemistry |
MS | Yunnan University | Organic Chemistry |
PhD | Institute of Electronics Chinese Academy of Sciences | Physical Electronics |
Awards
Name of Award/Honor | Awarding Organization |
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W.W. Smith Charitable Trust Award | |
Penn One Health Award | University of Pennsylvania |
NIH Career Development Award (K25) | |
NSF Fellowship for Summer Institute on Cancer Nanotechnology |
Our laboratory works at the interface of molecular biology, genetics, biochemistry, and engineering (e.g., biomedical, electrical, mechanical). On the one hand, we apply advanced biochemical approaches (e.g., CRISPR technology, synthetic biology) to investigate novel bioanalytical and clinical research strategies (e.g., Xiong Ding et al., Nature Communications, 2020, 11, 4711). On the other hand, we adapt our new biomedical research findings to microfluidic technology and develop next-generation medical devices/systems for disease diagnostics and therapeutics (e.g., Kun Yin et al., Theranostics, 2019, 9, 2637-2645). Our current research focuses include:
Disease Diagnosis and Prevention using CRISPR Technology and Synthetic Biology
CRISPR (clustered regularly interspaced short palindromic repeats) technology and synthetic biology are revolutionizing the treatment, prevention and diagnosis of diseases. We are interested in the application of CRISPR technology and synthetic biology to disease diagnostics and treatment, in particular the use of CRISPR-toolbox/ synthetic biology to develop simple, rapid and sensitive diagnostic technologies. We have developed an All-in-One Dual CRISPR-Cas12a (AIOD-CRISPR) technology for rapid, ultrasensitive and visual detection of SARS-CoV-2 detection (e.g., Xiong Ding et al., Nature Communications, 2020, 11, 4711).
Microfluidic Technologies for Global Health
Rapid and sensitive diagnostics of infectious disease at the point-of-care (POC) is critical for prompt and appropriate therapeutic intervention. Microfluidic technology not only allows the miniaturization of traditional biochemical assays, but also reduces cost, sample amount and testing time. We combine microfluidics with nucleic acid detection technology (e.g., isothermal amplification) to develop simple, low-cost and easy-to-use molecular diagnostic platform for infectious disease detection (e.g., SARS-CoV-2, HIV, ZIKV) (e.g., Jinzhao Song et al., Analytical Chemistry, 2016, 88, 14, 7289-7294)
Smart Connected Diagnostic System
In the context of mobile Health (mHealth) and personalized medicine, the integration of inexpensive POC diagnostics technology with the ubiquitous smartphone will create a new paradigm shift for cost-effective, mobile, personalized, health monitoring. We investigate smart connected diagnostic systems that take advantage of smartphone/internet technology to develop next generation health care solutions (e.g., Internet of Diagnostic Things) (Song et al., Analytical chemistry, 2018, 90(7):4823-4831).
People are the engine and driving force of innovations in our research lab. We always seek highly talented researchers from different biomedical science field (e.g., molecular biology, biochemistry, genetics, microbiology, cell biology) to work synthetic biology, CRISPR technology, and their biomedical applications in a diverse, interdisciplinary environment. We have an immediate opening for Ph.D. students and postdoctoral fellows. If you are interested in applying or would like more information, please contact Changchun Liu at chaliu@uchc.edu.
Accepting Lab Rotation Students: Fall Block 2024, Spring 1 and 2 Block 2025
Journal Articles
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Palm-Sized Lab-In-A-Magnetofluidic Tube Platform for Rapid and Sensitive Virus Detection.
Advanced science (Weinheim, Baden-Wurttemberg, Germany) 2024 Apr;e2310066
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Intrinsic RNA Targeting Triggers Indiscriminate DNase Activity of CRISPR-Cas12a.
Angewandte Chemie (International ed. in English) 2024 Mar;e202403123
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CRISPR-powered quantitative keyword search engine in DNA data storage.
Nature communications 2024 Mar;15(1):2376
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CRISPR-Powered Aptasensor for Diagnostics of Alzheimer's Disease.
ACS Sensors. 2023 Dec;
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Asymmetric CRISPR enabling cascade signal amplification for nucleic acid detection by competitive crRNA.
Nature communications 2023 Nov;14(1):7504
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CRISPR-powered Biosensing Platform for Quantitative Detection of Alpha-fetoprotein by a Personal Glucose Meter.
Sensors and actuators. B, Chemical 2023 Sep;390
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CRISPR gel: A one-pot biosensing platform for rapid and sensitive detection of HIV viral RNA.
Analytica chimica acta 2023 Jun;1262341258
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Miniature-swine iPSC-derived GABA progenitor cells function in a rat Parkinson's disease model.
Cell and tissue research 2023 Mar;391(3):425-440
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Bioinspired CRISPR-Mediated Cascade Reaction Biosensor for Molecular Detection of HIV Using a Glucose Meter.
ACS nano 2023 Feb;17(4):3966-3975
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Single-tube one-step gel-based RT-RPA/PCR for highly sensitive molecular detection of HIV.
The Analyst 2023 Feb;148(4):926-931
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Monolithic, 3D-printed lab-on-disc platform for multiplexed molecular detection of SARS-CoV-2.
Sensors and actuators. B, Chemical 2022 Jan;351130998
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Instrument-free, CRISPR-based diagnostics of SARS-CoV-2 using self-contained microfluidic system.
Biosensors & bioelectronics 2021 Dec;199113865
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CRISPR-Powered DNA Computing and Digital Display.
ACS synthetic biology 2021 Oct;
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Multiplexed colorimetric detection of SARS-CoV-2 and other pathogens in wastewater on a 3D printed integrated microfluidic chip.
Sensors and actuators. B, Chemical 2021 Oct;344130242
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Sensitive quantitative detection of SARS-CoV-2 in clinical samples using digital warm-start CRISPR assay.
Biosensors & bioelectronics 2021 Jul;184113218
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Autonomous lab-on-paper for multiplexed, CRISPR-based diagnostics of SARS-CoV-2.
Lab on a chip 2021 Jul;21(14):2730-2737
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Electric field-enhanced electrochemical CRISPR biosensor for DNA detection.
Biosensors & bioelectronics 2021 Jul;192113498
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An integrated self-powered 3D printed sample concentrator for highly sensitive molecular detection of HIV in whole blood at the point of care.
The Analyst 2021 May;146(10):3234-3241
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An integrated E-Tube cap for sample preparation, isothermal amplification and label-free electrochemical detection of DNA.
Biosensors & bioelectronics 2021 May;186113306
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Cleavable hairpin beacon-enhanced fluorescence detection of nucleic acid isothermal amplification and smartphone-based readout.
Scientific reports 2020 Nov;10(1):18819
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Ultrasensitive and visual detection of SARS-CoV-2 using all-in-one dual CRISPR-Cas12a assay.
Nature communications 2020 Sep;11(1):4711
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Dynamic Aqueous Multiphase Reaction System for One-Pot CRISPR-Cas12a-Based Ultrasensitive and Quantitative Molecular Diagnosis.
Analytical chemistry 2020 Jun;92(12):8561-8568
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Real-time Colorimetric Quantitative Molecular Detection of Infectious Diseases on Smartphone-based Diagnostic Platform.
Scientific reports 2020 Jun;10(1):9009
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Fabrication of Hard-Soft Microfluidic Devices Using Hybrid 3D Printing.
Micromachines 2020 Jun;11(6):
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A ribonuclease-dependent cleavable beacon primer triggering DNA amplification for single nucleotide mutation detection with ultrahigh sensitivity and selectivity.
Chemical communications (Cambridge, England) 2019 Oct;55(84):12623-12626
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Smart ring: a wearable device for hand hygiene compliance monitoring at the point-of-need
Microsystem Technologies (Publisher: Springer Berlin Heidelberg) 2018 Dec;1-6
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Interfacing Pathogen Detection with Smartphones for Point-of-Care Applications.
Analytical chemistry 2018 Nov;
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Fully 3D printed integrated reactor array for point-of-care molecular diagnostics.
Biosensors & bioelectronics 2018 Jun;109156-163
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Smartphone-Based Mobile Detection Platform for Molecular Diagnostics and Spatiotemporal Disease Mapping.
Analytical chemistry 2018 Apr;90(7):4823-4831
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A Multifunctional Reactor with Dry-Stored Reagents for Enzymatic Amplification of Nucleic Acids.
Analytical chemistry 2018 Jan;90(2):1209-1216
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Two-Stage Isothermal Enzymatic Amplification for Concurrent Multiplex Molecular Detection.
Clinical chemistry 2017 Mar;63(3):714-722
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Miniaturized devices for point of care molecular detection of HIV.
Lab on a chip 2017 Jan;17(3):382-394
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Instrument-Free Point-of-Care Molecular Detection of Zika Virus.
Analytical chemistry 2016 Jul;88(14):7289-94
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Smart Cup: A Minimally-Instrumented, Smartphone-Based Point-of-Care Molecular Diagnostic Device.
Sensors and actuators. B, Chemical 2016 Jun;229232-238
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A high-efficiency superhydrophobic plasma separator.
Lab on a chip 2016 Feb;16(3):553-60
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Translating Nucleic Acid Amplification Assays to the Microscale: Lab on a Chip for Point-of-Care Molecular Diagnostics
Current Analytical Chemistry 2016 Jan;12386-396
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Molecular Detection of Schistosome Infections with a Disposable Microfluidic Cassette.
PLoS neglected tropical diseases 2015 Dec;9(12):e0004318
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Integrated Microfluidic Nucleic Acid Isolation, Isothermal Amplification, and Amplicon Quantification.
Microarrays (Basel, Switzerland) 2015 Oct;4(4):474-89
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A reverse transcription loop-mediated isothermal amplification assay optimized to detect multiple HIV subtypes.
PloS one 2015 Jan;10(2):e0117852
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Nuclemeter: a reaction-diffusion based method for quantifying nucleic acids undergoing enzymatic amplification.
Scientific reports 2014 Dec;47335
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Membrane-based, sedimentation-assisted plasma separator for point-of-care applications.
Analytical chemistry 2013 Nov;85(21):10463-70
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A low-cost microfluidic chip for rapid genotyping of malaria-transmitting mosquitoes.
PloS one 2012 Jan;7(8):e42222
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A Portable Analyzer for Pouch-Actuated, Immunoassay Cassettes.
Sensors and actuators. B, Chemical 2011 Dec;160(1):1529-1535
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A portable, integrated analyzer for microfluidic - based molecular analysis.
Biomedical microdevices 2011 Oct;13(5):809-17
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A self-heating cartridge for molecular diagnostics.
Lab on a chip 2011 Aug;11(16):2686-92
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An isothermal amplification reactor with an integrated isolation membrane for point-of-care detection of infectious diseases.
The Analyst 2011 May;136(10):2069-76
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A membrane-based, high-efficiency, microfluidic debubbler.
Lab on a chip 2011 May;11(9):1688-93
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An Integrated Loop Mediated Isothermal Amplification Cassette with Thermally Actuated Valves
Microfluidics and Nanofluidics 2011 Jan;11209-220
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Point of Care Oral-based Diagnostics
Oral Diseases 2011 Jan;
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A large volume, portable, real-time PCR reactor.
Lab on a chip 2010 Nov;10(22):3170-7
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Rapid Fabrication of Three-dimensional Microfluidic Chip Using Natural Lotus Leaf Template
Microfluidics and Nanofluidics 2010 Oct;9(4-5):923-931
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A hard-soft microfluidic-based biosensor flow cell for SPR imaging application.
Biosensors & bioelectronics 2010 Sep;26(1):255-61
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An integrated, self-contained microfluidic cassette for isolation, amplification, and detection of nucleic acids.
Biomedical microdevices 2010 Aug;12(4):705-19
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Single bead-based electrochemical biosensor.
Biosensors & bioelectronics 2009 Dec;25(4):809-14
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Finger-actuated, self-contained immunoassay cassettes.
Biomedical microdevices 2009 Dec;11(6):1175-86
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A timer-actuated immunoassay cassette for detecting molecular markers in oral fluids.
Lab on a chip 2009 Mar;9(6):768-76
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On-line cell lysis and DNA extraction on a microfluidic biochip fabricated by microelectromechanical system technology.
Electrophoresis 2008 May;29(9):1844-51
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Microfluidic chip for blood cell separation and collection based on crossflow filtration
Sensors and Actuators B 2008 Mar;130216-221
Reviews
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CRISPR-Based COVID-19 Testing: Toward Next-Generation Point-of-Care Diagnostics.
Frontiers in cellular and infection microbiology 2021 Jan;11663949
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Simple Approaches to Minimally-Instrumented, Microfluidic-Based Point-of-Care Nucleic Acid Amplification Tests.
Biosensors 2018 Feb;8(1):