Results 201 to 210 of about 35,180 (255)

Self‐Assembled Lipids as Soft Dielectrics

Advanced Functional Materials, EarlyView.
Self‐assembled lipid bilayers serve as soft dielectric materials for ultrathin electronics. Using liquid‐metal parallel‐plate junctions, the capacitance and dielectric breakdown of dehydrated lipid films are characterized. Dielectric behavior is controlled by lipid molecular structure, cholesterol content, and assembly conditions, providing molecular ...
Hao Yang, Yiding Li, Jitong Ren, Yu Shi, Charles M. Schroeder   +4 more
wiley   +1 more source

Disentangling Bulk and Surface Contributions to Charge and Discharge Fading in High‐Voltage LiCoO2

Advanced Functional Materials, EarlyView.
High‐voltage operation of LiCoO2 accelerates capacity fading through bulk and surface degradation. By introducing a LiTaO3 coating to selectively suppress surface degradation, bulk and surface contributions to charge and discharge fading are decoupled.
Hyungjoon Moon, Sangbin Park, Jaewoo Jung, Seongeun Lee, Chanwoo Jung, Min‐Sik Park, Won‐Sub Yoon   +6 more
wiley   +1 more source

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

Advanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen, Patryk Wąsik, Juan Fernando Cucuyame Morales, Marie Kate Palau, Adrian Francisco Duran Ornelas, Phani Saketh Dasika, Jin Hee Kim, Radhika Laxminarayana, Eric Hintsala, Greta Chang, Junzhi Liao, Lizhi Sun, Nathan Lord, Atsushi Arakaki, Paul Bardunias, Pablo Zavattieri, David Kisailus   +16 more
wiley   +1 more source

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Evaluation of electrical characteristics of biological tissue with electrical impedance spectroscopy

Electrophoresis, 2020
AbstractThe electrical characteristics of biological tissue is evaluated by establishing an electrical equivalent circuit with electrical impedance spectroscopy. The least squares method is used to realize electrical equivalent circuit fitting by using the developed portable electrical impedance spectroscopy system. The EIS system is used to obtain the
Jianping Li, Jiafeng Yao
exaly   +3 more sources

Electrical Impedance Spectroscopy of the Human Prostate

IEEE Transactions on Biomedical Engineering, 2007
Tissue electrical impedance is a function of its architecture and has been used to differentiate normal and cancer tissues in a variety of organs including breast, cervix, skin, and bladder. This paper investigates the possibility of differentiating normal and malignant prostate tissue using bioimpedance spectra.
Ryan J. Halter, Alex Hartov, John A. Heaney, Keith D. Paulsen, Alan R. Schned   +4 more
openaire   +2 more sources

Electrical Impedance Spectroscopy

atp magazin, 2021
The electrical impedance measurement of a suspension is a valid method to monitor crystallization processes. As it allows measurement of conductivity and permittivity it enables the characterization of non-conductive suspensions. The results obtained show that the concentration of an organic compound of interest can be determined by evaluating its ...
openaire   +1 more source

Electrical impedance spectroscopy and diagnosis of tendinitis

Physiological Measurement, 2009
There have been a number of studies that investigate the usefulness of bioelectric signals in diagnoses and treatment in the medical field. Tendinitis is a musculoskeletal disorder with a very high rate of occurrence. This study attempts to examine whether electrical impedance spectroscopy (EIS) can detect pathological changes in a tendon and find the ...
Kisung, Yoon, Kyeong Woo, Lee, Sang Beom, Kim, Tai Ryoon, Han, Dong Keun, Jung, Mee Sook, Roh, Jong Hwa, Lee   +6 more
openaire   +2 more sources

Quantitative imaging with electrical impedance spectroscopy

Physics in Medicine and Biology, 2012
Electrical impedance spectroscopy (EIS) is a noninvasive modality that can be used to determine the electrical admittivity inside a body given a discrete set of current/voltage measurements made on the surface. Of particular interest is the use of EIS in the diagnosis of breast cancer, as the admittivity spectra of malignant and benign tumors differ ...
Debra, McGivney, Daniela, Calvetti, Erkki, Somersalo   +2 more
openaire   +2 more sources

Electrical Impedance Spectroscopy in Skin Cancer Diagnosis

Dermatologic Clinics, 2017
Electrical impedance spectroscopy (EIS) is a noninvasive method that aims to help diagnose skin cancer. The EIS device consists of a handheld probe with a disposable electrode that is applied directly on the skin and uses electrical impendence differences to differentiate between normal and abnormal skin lesions.
Braun, Ralph P, Mangana, Johanna, Goldinger, Simone M, French, Lars, Dummer, Reinhard, Marghoob, Ashfaq A   +5 more
openaire   +5 more sources

Monitoring living tissues by electrical impedance spectroscopy

Annals of Biomedical Engineering, 1994
Solving the experimental difficulties associated with measurement of the electrical impedance of living tissues gives access to valuable tissue compartment parameters which are sensed within seconds using minimally invasive, simple metallic electrodes.
P, Héroux, M, Bourdages
openaire   +2 more sources