Results 11 to 20 of about 67,218 (164)

Wearable battery-free theranostic dental patch for wireless intraoral sensing and drug delivery

npj Flexible Electronics, 2022
Dental caries caused by oral microbiome dysbiosis with the elevation of acidogenic bacteria is the most prevalent non-communicable disease worldwide. Early prevention and timely fluoride treatment are crucial for caries lesion management.
Zhenghan Shi, Yanli Lu, Shuying Shen, Yi Xu, Chang Shu, Yue Wu, Jingjiang Lv, Xin Li, Zupeng Yan, Zijian An, Chaobo Dai, Lingkai Su, Fenni Zhang, Qingjun Liu   +13 more
doaj   +1 more source

From Gas Sensors to Biomimetic Artificial Noses

Chemosensors, 2018
Since the first attempts to mimic the human nose with artificial devices, a variety of sensors have been developed, ranging from simple inorganic and organic gas detectors to biosensing elements incorporating proteins of the biological olfactory system ...
Paolo Pelosi, Jiao Zhu, Wolfgang Knoll
doaj   +1 more source

Biosynthesis of metallic nanoparticles using plant derivatives and their new avenues in pharmacological applications – An updated report

Saudi Pharmaceutical Journal, 2014
The field of nanotechnology mainly encompasses with biology, physics, chemistry and material sciences and it develops novel therapeutic nanosized materials for biomedical and pharmaceutical applications.
Palaniselvam Kuppusamy, Mashitah M. Yusoff, Gaanty Pragas Maniam, Natanamurugaraj Govindan   +3 more
doaj   +1 more source

Glucose Biosensor Based on Highly Dispersed Au Nanoparticles Supported on Palladium Nanowire Arrays

International Journal of Electrochemical Science, 2010
A glucose biosensor was constructed by using highly dispersed gold nanoparticles supported on palladium nanowire arrays(Au-PdNWs)as sensing interface. The property of the biosensor was detected by cyclic voltammetry and chronoamperometry and the use of ...
Min Zhang, Faliang Cheng, Zhiquan Cai, Haijun Yao   +3 more
doaj   +1 more source

A Silicon-Based Field-Effect Biosensor for Drug-Induced Cardiac Extracellular Calcium Ion Change Detection

Biosensors, 2023
Calcium ions participate in the regulation of almost all biological functions of the body, especially in cardiac excitation–contraction coupling, acting as vital signaling through ion channels.
Yong Qiu, Chiyu Ma, Nan Jiang, Deming Jiang, Zhengyin Yu, Xin Liu, Yuxuan Zhu, Weijie Yu, Fengheng Li, Hao Wan, Ping Wang   +10 more
doaj   +1 more source

Transdermal iontophoresis patch with reverse electrodialysis

Drug Delivery, 2017
Reverse electrodialysis (RED) technology generates energy from the salinity gradient by contacting waters with different salinity. Herein, we develop the disposable skin patch using this eco-friendly energy.
Joon Lee, Kilsung Kwon, Minyoung Kim, Joonhong Min, Nathaniel S. Hwang, Won-serk Kim   +5 more
doaj   +1 more source

Odorant-Binding Proteins as Sensing Elements for Odour Monitoring

Sensors, 2018
Odour perception has been the object of fast growing research interest in the last three decades. Parallel to the study of the corresponding biological systems, attempts are being made to model the olfactory system with electronic devices.
Paolo Pelosi, Jiao Zhu, Wolfgang Knoll
doaj   +1 more source

In-situ profiling of glycosylation on single cells with surface plasmon resonance imaging

Nature Communications
Cellular glycosylation is crucial for cell recognition, signal transduction, and the development of various diseases, especially in tumor initiation, progression, and metastasis.
Xiaoyin Liu, Jinbiao Ma, Yunrui Zhang, Yi Xu, Yunxiao Wang, Dehong Yang, Di Wang, Qingjun Liu, Fenni Zhang   +8 more
doaj   +1 more source

Efficient on-chip electrochemical lysing of foodborne bacteria for longer DNA strands with high yield for molecular analysis

Scientific Reports
Foodborne illness is caused by the consumption of bacterial contaminated food and beverages. Diagnostic intervention in the form of point-of-care testing (PoCT) device is required for rapid detection bacteria.
Subasini Jayakanthan, Suneesh Punathil Vasu, Satheesh Babu TG   +2 more
doaj   +1 more source

Pathological In Vivo Analysis of Helicobacter DNA Infection in Stomach Cells Using Carbon Nanotube Microsensor

Microorganisms
The WHO has classified Helicobacter pylori as a group 1 carcinogen for stomach cancer since early 1994. However, despite the high prevalence of Helicobacter pylori infection, only about 3% of infected people eventually develop gastric cancer.Biomolecular
Kyung Lee, Sihyun Jun, Yeseul Oh, Seojun Lee, Ye Jun Oh, Keum Sook Kim, Suw Young Ly   +6 more
doaj   +1 more source