Results 51 to 60 of about 251,389 (313)

All-Inorganic Metal Halide Perovskite Nanocrystals: Opportunities and Challenges. [PDF]

open access: yes, 2018
The past decade has witnessed the growing interest in metal halide perovskites as driven by their promising applications in diverse fields. The low intrinsic stability of the early developed organic versions has however hampered their widespread ...
Yin, Yadong, Zhang, Qiao
core   +1 more source

Development of a compact, IoT-enabled electronic nose for breath analysis [PDF]

open access: yes, 2020
In this paper, we report on an in-house developed electronic nose (E-nose) for use with breath analysis. The unit consists of an array of 10 micro-electro-mechanical systems (MEMS) metal oxide (MOX) gas sensors produced by seven manufacturers.
Ayyala, Sai Kiran   +3 more
core   +1 more source

A convenient lanthanide metal–organic framework based visual fluorescence paper microsensor and logic device for triazophos

open access: yesJournal of Science: Advanced Materials and Devices, 2022
Due to its wide use in agriculture, a convenient and sensitive detection method for triazophos is urgent need. In this study, a terbium-based metal-organic framework (Tb-MOF) is mildly prepared as a fluorescent probe for triazophos detection. The fluorescence of Tb-MOF can be quenched by triazophos through the inner filter effect (IFE) and static ...
Liu Zhang   +4 more
openaire   +2 more sources

Recent Developments in Chitosan-Based Adsorbents for the Removal of Pollutants from Aqueous Environments

open access: yesMolecules, 2021
The quality of water is continuously under threat as increasing concentrations of pollutants escape into the aquatic environment. However, these issues can be alleviated by adsorbing pollutants onto adsorbents.
Daniele C. da Silva Alves   +4 more
doaj   +1 more source

Organic residues - a resource for arable soils [PDF]

open access: yes, 2005
An increased recirculation of urban organic residues to arable soils has several environmental benefits, but there is a need for reliable test systems to ensure that soil quality is maintained.
Odlare, Monica
core  

Methyl 2-[(ferrocenylcarbonyl)amino]thiophene-3-carboxylate [PDF]

open access: yes, 2005
The title compound, [Fe(C₅H₅)(C₁₂H₁₀NO₃S)], was synthesized from ferrocenecarboxylic acid and methyl 2-aminothiophene-3-carboxylate in modest yield. The substituted ring system is essentially planar through the amidothienylcarboxylate moiety, η⁵-(C₅H₄ ...
Alley, Steven   +3 more
core   +1 more source

Chameleon sequences reveal structural effects in proteins representing micelle‐like distribution of hydrophobicity

open access: yesFEBS Open Bio, EarlyView.
Amino acids sequence of two different proteins with the same sequence (chameleon sequence—black boxes) represent in 3D structure of the proteins different secondary structures: HHHH—helical and BBB—Beta‐structural. The chains folded in water environment adopt different III‐order structures in which the chameleon fragments appear to adopt similar status
Irena Roterman   +4 more
wiley   +1 more source

Future Opportunities in the Field of Drug Delivery Research

open access: yesJournal of Medical Science, 2023
Much of the priorities in drug delivery research are focused on targeted drug delivery for cancer therapies and a wide range of controlled drug release systems for commonly used active pharmaceutical ingredients (APIs).
Joachim Kohn, Bozena Michniak-Kohn
doaj   +1 more source

Molecular Electronics [PDF]

open access: yes, 2009
Molecular electronics describes the field in which molecules are utilized as the active (switching, sensing, etc.) or passive (current rectifiers, surface passivants) elements in electronic devices.
Heath, James R.
core   +1 more source

Electrical Re-Writable Non-Volatile Memory Device based on PEDOT:PSS Thin Film [PDF]

open access: yes, 2020
open access articleIn this research, we investigate the memory behavior of poly(3,4 ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) cross bar structure memory cells.
Pantelidis, Christos Christodoulos   +1 more
core   +1 more source

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