Results 61 to 70 of about 669,973 (330)

Spectroscopic Evidence for the Specific Na+ and K+ Interactions with the Hydrogen-bonded Water Molecules at the Electrolyte Aqueous Solution Surfaces

open access: yes, 2008
Sum frequency generation vibrational spectra of the water molecules at the NaF and KF aqueous solution surfaces showed significantly different spectral features and different concentration dependence.
Adamson A. W.   +5 more
core   +1 more source

Mechanically Adaptable High‐Performance p(SBMA‐MMA) Copolymer Hydrogel with Iron (II/III) Perchlorate for Wearable Thermocell Applications

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
A high‐performance n‐type element for quasi‐solid‐state thermocells has been introduced, outperforming conventional p‐type elements and showcasing the potential to harness body heat as an energy source or power embedded sensors. This advance significantly contributes to waste thermal energy harvesting and wearable technology, paving the way for self ...
Gilyong Shin   +10 more
wiley   +1 more source

Twenty-four-hour pH monitoring of gastric conduit in post-esophagectomy patients: correlation with clinical and endoscopic parameters in a prospective cohort study from India

open access: yesJournal of Minimally Invasive Surgery
Purpose: Esophagectomy for malignancy leads to decreased gastric conduit acidity due to bilateral vagotomy and fundic gland area reduction. However, reflux symptoms occur.
Vishu Jain   +7 more
doaj   +1 more source

Biosorpsi Logam Cu(ii) Dan Cr (VI ) Pada Limbah Elektroplating Dengan Menggunakan Bimassa Phanerochaete Chrysosporium [PDF]

open access: yes, 2009
Heavy metal waste many there is in a few waste industry chemistry, for example at industry electroplating,metallurgy, smelting and others. At waste industry electroplating contains copper heavy metal and chromium which can cause contamination if thrown ...
A, S. E. (Suprihatin)
core  

Poly(1,4‐anthraquinone) as an Organic Electrode Material: Interplay of the Electronic and Structural Properties due to the Unusual Lone‐Pair‐π Conjugation

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
In this study, the unique role of the unusual lone‐pair‐π conjugation mechanism in poly(1,4‐anthraquinone) (P14AQ) is explored as an organic electrode material. Unlike traditional π‐π interactions, P14AQ's conjugation involves lone pairs of oxygen atoms interacting with the π cloud of adjacent units, enabling stable charge transport even with minimal π‐
Xiaotong Zhang, Piotr de Silva
wiley   +1 more source

Moisture-based green energy harvesting over 600 hours via photocatalysis-enhanced hydrovoltaic effect

open access: yesNature Communications
Harvesting the energy from the interaction between hygroscopic materials and atmospheric water can generate green and clean energy. However, the ion diffusion process of moisture-induced dissociation leads to the disappearance of the ion concentration ...
Peng Duan   +10 more
doaj   +1 more source

Novel anomalies for like-charged attraction between curved surfaces and formulation of a hydrogen bonding style mechanism

open access: yesAIP Advances, 2013
For the first time, the classical density functional theory (DFT) is numerically solved in three- and two-dimensional spaces for a two sphere model of electrostatic interactions between two spherical nanoscale colloids immersed in a primitive model ...
Shiqi Zhou
doaj   +1 more source

Fluoride-Releasing Restorative Materials: the Effect of a Resinous Coat on Ion Release

open access: yesActa Stomatologica Croatica, 2020
Objective: To determine the effect of two adhesive systems and a glass ionomer coating resin on fluoride release and concurrent pH changes over a period of 168 days.
Katarina Kelić   +4 more
doaj   +1 more source

The use of the ion probe mass spectrometer in the measurement of hydrogen concentration gradients in Monel K 500 [PDF]

open access: yes
The ion probe mass spectrometer was used to measure hydrogen concentration gradients in cathodically charged Monel K 500. Initial work with the ion probe involved the calibration of the instrument and the establishment of a suitable experimental ...
Hehemann, R. F., Truhan, J. J., Jr.
core   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

open access: yesAdvanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund   +6 more
wiley   +1 more source

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