Results 61 to 70 of about 38,205 (257)

The unique chemical and microbiological signatures of an array of bottled drinking water

open access: yesFrontiers in Microbiology
The bottled drinking water market has seen significant growth and diversification, yet the selection criteria lack scientific basis, as all must adhere to stringent health standards.
Yasmeen M. Nadreen   +5 more
doaj   +1 more source

POM‐Based Water Splitting Catalyst Under Acid Conditions Driven by Its Assembly on Carbon Nanotubes

open access: yesAdvanced Materials, EarlyView.
A newly‐engineered POM‐based electrocatalyst incorporating non‐innocent counter cations exhibits fast kinetics for either the OER or HER under strongly acidic conditions (1 m H2SO4), depending on whether it is assembled on carbon nanotubes (1@CNT) or physically mixed with them (1/CNT). In water‐splitting tests using a two‐electrode setup, these systems
Eugenia P. Quirós‐Díez   +8 more
wiley   +1 more source

Development of method for the mineral water catalase activity determination

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
Biological effects of mineral water depend not only on the chemical composition but also on the metabolic products of microbial cenosis. Among numerous microorganisms constituting the autochthonous microflora of mineral waters, we do evolve the ...
O. М. Нiкiпелова   +2 more
doaj   +4 more sources

Methods and stages of exploration of radon mineral water deposits

open access: yesМінеральні ресурси України
Radon is a radioactive chemical element that belongs to the category of inert gases.Currently, there are many medical facilities in Ukraine that provide specialized care using mineral radon waters. Deposits of mineral radon waters have become an integral
S. I. Sharikov
doaj   +1 more source

Chiral Microneedle Arrays With Terahertz Chiroptical Activity With Chiral‐Plasmon‐Chiral‐Phonon Resonance

open access: yesAdvanced Materials, EarlyView.
ABSTRACT Microneedle arrays (MNAs) is a rapidly emerging technology with broad biomedical applications in drug delivery and biosensing. With sub‐millimeter dimensions and periodicity, MNAs possess geometries nearly ideal for biomedical devices operating within the terahertz (THz) spectral window.
Sang Hyun Lee   +6 more
wiley   +1 more source

Features microcomponent composition and of biological action natural mineral waters Carpathian and Transcarpathian regions of Ukraine

open access: yesМінеральні ресурси України, 2015
Data on composition of mineral waters in the Carpathian region have been modified and supplemented based on application of advanced techniques (mass spectrometry with inductively coupled plasma) for given waters analysis.
V. M. Shestopalov   +2 more
doaj  

Lead Halide Perovskite Photoelectrocatalysis

open access: yesAdvanced Materials, EarlyView.
Lead halide perovskite semiconductors have emerged as highly promising materials for solar fuel and chemical synthesis. This perspective discusses advances made in the rational photoelectrode design to improve solar‐to‐chemical conversion, product scope, and scalability.
Virgil Andrei
wiley   +1 more source

Highly Entangled Bottlebrush Polymer Networks

open access: yesAdvanced Materials, EarlyView.
Bottlebrush polymers are difficult to entangle, enabling ultrasoft yet brittle networks. We report highly entangled bottlebrush elastomers that remain ultrasoft (∼1 kPa) yet stretch to ∼1800% and exhibit exceptional fatigue resistance. Their intrinsic fatigue strength—fatigue threshold normalized by modulus—surpasses that of highly entangled linear ...
Myoeum Kim   +3 more
wiley   +1 more source

Felix-Henri Boudet

open access: yesEducación Química
Félix-Henri Boudet (1806-1878) was a French pharmacist who studied the composition of blood, particularly of its serum; the cis-trans isomerization of fats and their fermentation;the preparation of artificial mineral waters; the use of potassium cyanide
Jaime Wisniak
doaj   +1 more source

Characterization of trace elements in thermal and mineral waters of Greece. [PDF]

open access: yesEnviron Sci Pollut Res Int, 2023
Li Vigni L   +7 more
europepmc   +1 more source

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