Results 201 to 210 of about 23,196 (252)

An Injectable Electroactive Hydrogel Engineered for Stable Bioelectronic Interfaces

Advanced Materials Interfaces, EarlyView.
Injectable electroconductive hydrogels enable soft, conformal, and stable bioelectronic interfaces for electroceutical therapies. A catechol‐modified hyaluronic acid/alginate/edge‐functionalized graphene platform combines wet adhesion, shear‐thinning injectability, tissue‐matched mechanics, and electrochemical functionality.
Ying Zhou, Peng Zheng, Beverley Cheung, Chien Yu Huang, Greg Ryder, Jonathan R Clark, D S Abdullah Al Maruf, Yi‐Hui Wu, Ming‐Dou Ker, Xufeng Huang, Gordon G Wallace, Xiao Liu   +11 more
wiley   +1 more source

On the Friction and Wear Mechanisms of Electrified Steel Contacts in CO2: Unveiling the Role of Carbon‐Rich Tribofilms Under Dry Sliding Conditions

Advanced Materials Interfaces, EarlyView.
This study investigates friction and wear of AISI 52100 steel under dry sliding in CO2, air, and N2 atmospheres, with and without contact electrification. CO2 forms a stable carbon‐rich tribofilm that reduces friction by ∼30% and wear by ∼85%. High‐resolution TEM, EELS, and molecular dynamics reveal pressure‐dependent lubrication mechanisms, showing ...
Julio A. Cao‐Romero‐Gallegos, Seungjoo Lee, Cagatay Yelkarasi, Leonardo I. Farfan‐Cabrera, Ryuichi Okamoto, Hitoshi Washizu, Ali Erdemir   +6 more
wiley   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

Advanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang, Jieqi Wang, Xiaojun Cui, Carsten Ronning   +3 more
wiley   +1 more source

Development of Nanoflare Nanosensors for Monitoring Cellular Insulin mRNA in Beta Cells and Islets

Advanced Materials Technologies, EarlyView.
This study presents the design and application of In2‐NF probes for detecting insulin mRNA in beta cells and islets. Using spherical nucleic acid‐coated gold nanoparticles, the probes offer strong fluorescent signals upon hybridization. Their performance is validated across 2D and 3D cultures and rat islets, demonstrating sensitive, real‐time mRNA ...
Yana Hu, Qizheng Zhang, Tianli Hu, Juewen Liu, Hongxing Fu, Xin Zhao, Zijiang Yang, Chenjie Xu   +7 more
wiley   +1 more source

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The Electric Sense of Weakly Electric Fish

Annual Review of Physiology, 1984
Recent studies of electroreception have been particularly successful in three different areas: Electroreceptors are tuned to the dominant frequency of the animal's EOD, and their tuning follows natural and experimentally induced shifts in EOD frequency.
W, Heiligenberg, J, Bastian
openaire   +3 more sources

An Electrical Receptor in Fishes

Nature, 1958
CERTAIN families of fishes, namely the Mormyridae of tropical Africa and the Gymnotidae of Central and South America, possess a small electric organ which exhibits intermittent activity. Lissmann1 found that Gymnarchus niloticus Cuv., swimming freely, emitted pulses at an even rhythm of about 300 per sec.; the frequency was unaffected by the activity ...
openaire   +2 more sources

Electricity and fishing - a dangerous mix

Burns, 2011
The advent of fishing rods made of carbon fiber and graphite rods has greatly increased the risks of electrical injuries associated with fishing. The braided fishing lines and metal hooks put the fishermen at risk for electrical injuries.We review our burn center's experience with electrical injuries related to fishing activities during the last four ...
Lucian, Fodor, Ioan O, Bota, Yusuf, Abbas, Marius, Fodor, Constantin, Ciuce   +4 more
openaire   +2 more sources

Electric Receptors in a Non-electric Fish (Clarias)

Nature, 1963
IT is now well established that certain fish can detect objects electrically. These fish have weak electric organs, and set up an electric field in the surrounding water. A nearby object distorts this field, and the distortions are detected by the fish. The electric receptors are sense organs communicating with the water by means of jellyfilled canals.
H W, LISSMANN, K E, MACHIN
openaire   +2 more sources

Electrical sensitivity of a weakly electric fish

Life Sciences, 1967
Abstract The South American gymnotid, Sternarchus albifrons produces a weak electric field of high frequency (600–1000 Hz) by means of a caudal electric organ (1,2). Electroreceptor organs have been found in the skin, innervated by the lateral line nerve (2,3). Electrical sensing by several other gymnotids has been studied (2,4–6).
Louis P. Granath, Howard G. Sachs, Fred T. Erskine   +2 more
openaire   +1 more source

Sex Differences in Electric Signaling in an Electric Fish

Science, 1972
The electric discharge of Sternopygus macrurus is distinctly different from the discharges of ten sympatric species of electric fish in Guyana, South America. Sternopygus is the first known example of a fish with sexually different electric discharges.
openaire   +2 more sources