Results 51 to 60 of about 1,534,101 (289)

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou   +3 more
wiley   +1 more source

Vibrational Spectroscopy of Perovskite Ferroelectrics

open access: yesSolids
Ferroelectric and antiferroelectric materials are technologically important by the richness of applications such as piezoelectric, pyroelectric, electro-optic, elasto-optic, and nonlinear optic effects.
Seiji Kojima
doaj   +1 more source

Vibrational spectroscopy of the phosphate mineral kovdorskite – Mg2PO4(OH)⋅3H2O [PDF]

open access: yes, 2013
The mineral kovdorskite Mg2PO4(OH) 3H2O was studied by electron microscopy, thermal analysis and vibrational spectroscopy. A comparison of the vibrational spectroscopy of kovdorskite is made with other magnesium bearing phosphate minerals and compounds ...
Xi, Yunfei   +7 more
core   +1 more source

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

open access: yesAdvanced 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   +16 more
wiley   +1 more source

Distribution of chlorosulfonyl groups in the subsurface of polystyrene substrates. Analysis by means of vibrational spectroscopy

open access: yes, 2013
In this work the activation of transparent PS substrates by chlorosulfonation is described and their distribution in the subsurface region is analyzed using vibrational spectroscopies.
Prado, Anselmo del   +9 more
core   +1 more source

Chitin‐Derived Carbon‐Metal Functional Materials

open access: yesAdvanced Functional Materials, EarlyView.
Functional carbon materials are synthesized from combination of biopolymer (chitin) and iron precursors. The resultant material exhibits superior surface area and adsorptive properties compared to carbon materials synthesized directly from pure chitin.
Herry Fang   +7 more
wiley   +1 more source

Experimental and Theoretical Investigations of Molecular Structure and Vibrational Frequencies of Hypericin Molecule

open access: yesCumhuriyet Science Journal, 2017
In the present study, vibrational analysis ofhypericin molecule was experimentally performed using FT-IR spectroscopy. Themolecular structure, geometric parameters, vibrational wavenumbers, molecularelectrostatic potential and the highest and the lowest ...
Tuba Özdemir, Halil Gökçe
doaj   +1 more source

The use of vibrational spectroscopy in the geographic characterization of human teeth: a systematic review

open access: yes, 2020
The paper reviews the applications of vibrational spectroscopy for the analysis of teeth. A systematic search of literature published between 1990 and 2018 in the following databases: PubMed/MEDLINE, the Cochrane Library, Academic Search Ultimate, and ...
Forrest, A   +4 more
core   +1 more source

Kinetics‐Controlled Architecture of Binder‐Free Organic Electrodes for Enhanced Ion Transport

open access: yesAdvanced Functional Materials, EarlyView.
Pulse reverse electrodeposition controls nucleation and growth to create hierarchically porous Py‐derived oligomeric electrodes with enhanced ionic accessibility and reduced transport resistance. The resulting binder‐free architectures translate these transport advantages into practical sodium‐storage functionality.
Satendra Kumar   +1 more
wiley   +1 more source

Enhancement of Signal‐to‐Background Ratio in Molecular Vibrational Signal Extraction by Stimulated Emission Depletion Mechanism

open access: yesAdvanced Photonics Research
Herein, a novel approach is presented to mitigate the fluorescence interference during the detection of vibrational signal via the stimulated emission depletion (STED).
Ge Wang   +4 more
doaj   +1 more source

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