Results 151 to 160 of about 2,141 (211)

A Geometrically Transient Platform for Bioelectronic Implants

Advanced Materials, EarlyView.
Minimally invasive bioelectronic implants often compromise performance for smaller sizes. To resolve this optimization dilemma, a wireless bioelectronic implant with a transient geometry is introduced (MiFi). The origami‐inspired device miniaturizes up to sixfold for syringe insertion and autonomously unfolds post‐implantation.
Selin Olenik, John D. Goodwin, Atharv Naik, Philip Coatsworth, Ioi Chit Cheung, Farbod Amirghasemi, Anies Sohi, Ehsan Abedi, Tayeb Tadlaoui, Maral P. S. Mousavi, Andriy S. Kozlov, Victoria Salem, Andrew S. Cowburn, Firat Guder   +13 more
wiley   +1 more source

Field‐Programmed Anisotropy in Magneto‐Piezoelectric Composites for Material‐Encoded Mechanoperception

Advanced Materials, EarlyView.
Field‐programmed anisotropy imparts material‐level intelligence to soft composites. Magnetic torque dynamics drive magneto‐piezoelectric nanowires from random dispersion into deterministic axial alignment. The resulting hierarchical percolation networks confine electromechanical coupling to specific axes and intrinsically decouple superposed force ...
Yubin Kim, Yumin Kwon, Dabin Kim, Minsun Oh, Jin Young Jung, Dongyeong Gim, Kootak Hong, Jun Yeon Hwang, Sang‐Woo Kim, Minjeong Ha   +9 more
wiley   +1 more source

Hybrid Amyloid–Boron Nitride Aerogels for Lightweight Sound Insulation

Advanced Materials, EarlyView.
Amyloid fibrils template the mild formation of boron nitride–rich hybrid aerogels with hierarchical porosity, enhanced BN‐like ordering, and fibril‐reinforced mechanics. These ultralight materials combine thermal stability with strong sound absorption and transmission loss, offering a sustainable bio‐assisted route toward lightweight acoustic shields ...
Mohammad Peydayesh, Andrin Lustgarten, Stefan Schoenwald, Enrico Boschi, My Hanh Bui, Ali Miserez, Felix Donat, Christoph R. Müller, Raffaele Mezzenga   +8 more
wiley   +1 more source

Recent Advances in Ferrite‐Based Materials for Biomedical Applications: A Comprehensive Review

Advanced Materials, EarlyView.
Ferrite nanoplatforms are presented as tunable biomedical materials in which synthesis control, cation engineering, defect/morphology regulation, and surface functionalization govern structure–property–bioactivity relationships. These design strategies enable multifunctional applications including MRI contrast, magnetic hyperthermia, targeted drug ...
Pramod D. Mhase, Varsha C. Pujari, Akash V. Fulari, Sunil M. Patange, Sean Li, Danyang Wang, Sagar E. Shirsath   +6 more
wiley   +1 more source

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Copper toxicity in Alzheimer's disease: Cognitive loss from ingestion of inorganic copper

Journal of Trace Elements in Medicine and Biology, 2012
In this review I present the hypothesis that a toxic substance, inorganic copper, ingested from drinking water and vitamin/mineral supplements containing inorganic copper, is at least partially causal of the epidemic of Alzheimer's disease (AD) we are seeing in developed countries.
exaly   +3 more sources

Effect of Slag Properties on Copper Loss in Copper Slag

Transactions of the Indian Institute of Metals, 2022
, Shi Zhe
exaly   +2 more sources

Copper losses and thermodynamic considerations in copper smelting

Metallurgical and Materials Transactions B, 1997
A relationship between copper in slag and copper in matte during copper sulfide smelting has been derived using industrial data from 42 plants employing blast furnaces, reverberatory furnaces, flash furnaces, and Mitsubishi smelting furnaces together with the available thermodynamic equilibrium data for Cu-Fe-S-O, FeO-SiO2, and Cu-Fe-S systems and ...
R. Sridhar, J. M. Toguri, S. Simeonov
openaire   +1 more source

Cutaneous copper and zinc losses in burns

Burns, 1992
To measure the exudative cutaneous copper (Cu) and zinc (Zn) losses in burns, 10 patients, aged 36 +/- 9 years (mean +/- s.d.) with burns covering 33 +/- 10 per cent of the total body surface area, were studied from the first postburn day (D1) until D7. All intakes and losses were analysed for Cu, Zn and nitrogen (N) content.
M.M. Berger, C. Cavadini, A. Bart, R. Mansourian, S. Guinchard, I. Bartholdi, A. Vandervale, S. Krupp, R. Chioléro, J. Freeman, H. Dirren   +10 more
openaire   +3 more sources

Ultralow-Loss CMOS Copper Plasmonic Waveguides

Nano Letters, 2015
Surface plasmon polaritons can give a unique opportunity to manipulate light at a scale well below the diffraction limit reducing the size of optical components down to that of nanoelectronic circuits. At the same time, plasmonics is mostly based on noble metals, which are not compatible with microelectronics manufacturing technologies.
Fedyanin, Dmitry Yu., Yakubovsky, Dmitry I., Kirtaev, Roman V., Volkov, Valentyn S.   +3 more
openaire   +2 more sources

Energy Loss Spectrum of Copper

Journal of the Physical Society of Japan, 1976
The complex dielectric function e (0,ω) of copper is calculated by a realistic band model up to \(\hbar\omega{=}25\) eV. the energy values ad the wave functions are calculated by APW method with the Chodorow potential. The eleven energy bands are used to obtain the matrix elements of the interband transitions.
Yasunori Kubo, Shinya Wakoh, Jiro Yamashita   +2 more
openaire   +1 more source