Qiang Zheng

ORCID: 0000-0001-7415-9581
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About
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Research Areas
  • Advanced Sensor and Energy Harvesting Materials
  • Conducting polymers and applications
  • Mesenchymal stem cell research
  • Tactile and Sensory Interactions
  • Bone Tissue Engineering Materials
  • Tissue Engineering and Regenerative Medicine
  • Muscle activation and electromyography studies
  • Innovative Energy Harvesting Technologies
  • Bone fractures and treatments
  • Hip and Femur Fractures
  • Power Systems and Technologies
  • Bone Metabolism and Diseases
  • Supercapacitor Materials and Fabrication
  • Industrial Automation and Control Systems
  • Graphene and Nanomaterials Applications
  • Groundwater and Isotope Geochemistry
  • Periodontal Regeneration and Treatments
  • Catalysis for Biomass Conversion
  • Neuroscience and Neural Engineering
  • Electrospun Nanofibers in Biomedical Applications
  • Karst Systems and Hydrogeology
  • 3D Printing in Biomedical Research
  • Chemical Synthesis and Reactions
  • Advanced Materials and Mechanics
  • Gas Sensing Nanomaterials and Sensors

Guiyang Medical University
2022-2025

Shenyang University of Chemical Technology
2020-2025

Lanzhou Jiaotong University
2024

South China University of Technology
2009-2024

Central South University
2024

First People's Hospital of Chongqing
2023

Second Affiliated Hospital of Zhejiang University
2006-2023

Shenyang University of Technology
2023

Beijing Institute of Nanoenergy and Nanosystems
2014-2022

Chinese Academy of Sciences
2015-2022

Transient electronics built with degradable organic and inorganic materials is an emerging area has shown great potential for in vivo sensors therapeutic devices. However, most of these devices require external power sources to function, which may limit their applications cases. We report a biodegradable triboelectric nanogenerator (BD-TENG) biomechanical energy harvesting, can be degraded resorbed animal body after completing its work cycle without any adverse long-term effects. Tunable...

10.1126/sciadv.1501478 article EN cc-by-nc Science Advances 2016-03-04

The first application of an implanted triboelectric nanogenerator (iTENG) that enables harvesting energy from in vivo mechanical movement breathing to directly drive a pacemaker is reported. harvested by iTENG animal stored capacitor and successfully drives prototype regulate the heart rate rat. This research shows feasible approach scavenge biomechanical energy, presents crucial step forward for lifetime-implantable self-powered medical devices. As service our authors readers, this journal...

10.1002/adma.201402064 article EN Advanced Materials 2014-07-17

Self-powered implantable medical electronic devices that harvest biomechanical energy from cardiac motion, respiratory movement and blood flow are part of a paradigm shift is on the horizon. Here, we demonstrate fully implanted symbiotic pacemaker based an triboelectric nanogenerator, which achieves harvesting storage as well pacing large-animal scale. The successfully corrects sinus arrhythmia prevents deterioration. open circuit voltage nanogenerator reaches up to 65.2 V. harvested each...

10.1038/s41467-019-09851-1 article EN cc-by Nature Communications 2019-04-23

This study aimed to investigate the potentials of ex vivo expansion and pluridifferentiation cryopreserved adult human bone marrow mesenchymal stem cells (hMSCs) into adipocytes neurocytes. Cryopreserved hMSCs were resuscitated cultured for 15 passages, then induced neurocytes with corresponding induction medium. The observed morphological properties expression triglyceride or neuron-specific enolase nestin was detected. result showed that in medium consisting dexamethasone,...

10.1016/j.cellbi.2006.11.012 article EN Cell Biology International 2006-11-21

Harvesting biomechanical energy in vivo is an important route obtaining sustainable electric for powering implantable medical devices. Here, we demonstrate innovative triboelectric nanogenerator (iTENG) harvesting. Driven by the heartbeat of adult swine, output voltage and corresponding current were improved factors 3.5 25, respectively, compared with reported performance conversion In addition, evaluation iTENG was demonstrated over 72 h implantation, during which generated electricity...

10.1021/acsnano.6b02693 article EN ACS Nano 2016-06-02

Operation time of implantable electronic devices is largely constrained by the lifetime batteries, which have to be replaced periodically surgical procedures once exhausted, causing physical and mental suffering patients increasing healthcare costs. Besides efficient scavenging mechanical energy internal organs, this study proposes a self-powered, flexible, one-stop triboelectric active sensor (iTEAS) that can provide continuous monitoring multiple physiological pathological signs. As...

10.1021/acs.nanolett.6b01968 article EN Nano Letters 2016-09-08

Self-healing materials behave with irreplaceable advantages in biomimetic intelligent robots (BIR) for avoiding or reducing safety hazards and economic losses from accidental damage during service. However, the self-healing ability is unreservedly lost even becomes rigid fragile cryogenic environment where BIR are precisely needed. Here, authors report a versatile ionic hydrogel fast ability, ultra-stretchability, stable conductivity, at -80 °C. The systematically optimized to improve...

10.1002/adma.202105416 article EN Advanced Materials 2022-02-01

The human body has an abundance of available energy from the mechanical movements walking, jumping, and running. Many devices such as electromagnetic, piezoelectric, triboelectric harvesting have been demonstrated to convert into electricity, which can be used power various wearable implantable electronics. However, complicated structure, high cost production/maintenance, limitation wearing implantation sites restrict development commercialization harvesters. Here, we present a...

10.1021/acsnano.9b02233 article EN ACS Nano 2019-05-14

Assessment of muscle function is an essential indicator for estimating elderly health, evaluating motor function, and instructing rehabilitation training, which also sets urgent requirements mechanical sensors with superior quantification, accuracy, reliability. To overcome the rigidity vulnerability traditional metallic electrodes, we synthesize ionic hydrogel large deformation tolerance fast self-healing ability. And propose a stretchable, self-healing, skin-mounted (Triple S) active...

10.1021/acsnano.1c02010 article EN ACS Nano 2021-06-04

Bone remodeling or orthodontic treatment is usually a long-term process. It highly desirable to speed up the process for effective medical treatment. In this work, self-powered low-level laser cure system osteogenesis developed using power generated by triboelectric nanogenerator. found that significantly accelerated mouse embryonic osteoblasts' proliferation and differentiation, which essential bone tooth healing. The further demonstrated be driven living creature's motions, such as human...

10.1021/acsnano.5b03567 article EN ACS Nano 2015-07-10

A high-resolution dynamic tactile/pressure display is indispensable to the comprehensive perception of force/mechanical stimulations such as electronic skin, biomechanical imaging/analysis, or personalized signatures. Here, we present a pressure sensor array based on pressure/strain tuned photoluminescence imaging without need for electricity. Each nanopillar that consists InGaN/GaN multiple quantum wells. Its intensity can be modulated dramatically and linearly by small strain (0–0.15%)...

10.1021/acsnano.5b00072 article EN ACS Nano 2015-02-25

A packaged self-powered system by hybridizing nanogenerators (PSNGS) is demonstrated. The performance of the PSNGS tested in a biofluid and used for powering an electronic thermometer. Select waterproof universal connectors are designed fabricated energy signal transmission. This can significantly advance development implanted medical devices wearable/portable electronics.

10.1002/adma.201503356 article EN Advanced Materials 2015-12-04

Long-term and low-dose photodynamic therapy for treating tumors requires a sustainable energy supply. The power source technology of batteries wireless charging driving light-emitting diode (LED) may cause inconveniences during treatment. In addition, the development telemedicine Internet medicine put forward higher demands on treatment methods, such as better patient compliance autonomous management. Here, we show self-powered (s-PDT) system with two different irradiation modes that can be...

10.1021/acsnano.0c00675 article EN ACS Nano 2020-06-17

Harvesting biomechanical energy especially in vivo is of special significance for sustainable powering wearable/implantable electronics. The triboelectric nanogenerator (TENG) one the most promising solutions considering its high efficiency, low cost, light weight, and easy fabrication, but performance will be greatly affected if there moisture or liquid leaked into device when applied vivo. Here, we demonstrate a multiple encapsulation process TENG to maintain output various harsh...

10.1021/acsami.6b06866 article EN ACS Applied Materials & Interfaces 2016-09-22

Abstract Wearable and portable electronics have brought great convenience. These battery‐powered commercial devices a limited lifetime require recharging, which makes more extensive applications challenging. Here, battery‐like self‐charge universal module (SUM) is developed, able to efficiently convert mechanical energy into electrical store it in one device. An integrated SUM consists of power management unit an harvesting unit. Compared other devices, ingenious, efficient can be...

10.1002/aenm.201901875 article EN Advanced Energy Materials 2019-08-08

Dynamic mapping of the cell-generated force cardiomyocytes will help provide an intrinsic understanding heart. However, a real-time, dynamic, and high-resolution distribution across single living cell remains challenge. Here, we established method based on "light nano-antenna" array with use piezo-phototronic effect. A spatial resolution 800 nm temporal 333 ms have been demonstrated for mapping. The dynamic live was directly derived by locating antennas' positions quantifying light...

10.1126/sciadv.abe7738 article EN cc-by-nc Science Advances 2021-05-26

Abstract In this study, a novel three‐dimensional poly (lactide‐ co ‐glycolide) (PLGA)/nano‐hydroxyapatite (NHA) scaffold was fabricated by thermally induced phase separation technique and its potential application in cartilage tissue‐engineering investigated. The PLGA used as control mesenchymal stem cells (MSCs) were seeded both scaffolds. After 12‐days culture, SEM images confocal laser scanning microscopy illustrated that MSCs attached more moderately distributed PLGA/NHA MTT test DNA...

10.1002/jbm.a.32691 article EN Journal of Biomedical Materials Research Part A 2010-02-17
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