Results 121 to 130 of about 46,358 (301)

A practical synthesis of bis(indolyl)methanes employing boric acid

open access: yes, 2010
A variety of aldehydes and ketones react rapidly with indoles in the presence of boric acid under solvent-free conditions to afford the corresponding bis(indolyl)methanes.
Basi V. Subba Reddy   +9 more
core   +1 more source

Water Permeates and Plasticizes Amorphous Carbon Dots: Unraveling the Inner Accessibility of the Nanoparticles by Glass Transition Studies

open access: yesAdvanced Materials, EarlyView.
The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti   +8 more
wiley   +1 more source

The electrochemical production of boric acid

open access: yes, 2015
BACKGROUNDBoric acid (H3BO3) was electrochemically produced from borax pentahydrate (Na2B4O7.5H(2)O) using membrane electrolysis, and a flow diagram of the production process was developed. The effect of different catholyte concentrations (10, 20 and 30%

core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Ikonografski obrasci naručiteljskih strategija zadarskog nadbiskupa Maffea Vallaressa (1450. – 1494.)

open access: yesArs Adriatica
U članku se ocrtava naručiteljski profil zadarskog nadbiskupa Maffea Vallaressa, njegov arhitektonski i likovni ukus te strategije ikonografskih i svjetonazorskih koncepata, čiji se obris učitava u specifičnosti složenih političkih, društvenih i ...
Laris Borić
doaj   +1 more source

Thermal properties of epoxy composites filled with boric acid

open access: yes, 2015
The thermal properties of epoxy composites filled with boric acid fine powder at different percentage were studied. Epoxy composites were prepared using epoxy resin ED-20, boric acid as flame-retardant filler, hexamethylenediamine as a curing agent.
Nazarenko, Olga Bronislavovna   +3 more
core   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

Intermittent exposure to boric acid.

open access: yes, 2014
Mortality and hatching rates by the end of the experiment in boric acid treated groups and non-treated control (0.0 g/L).
Øystein Evensen (113777)   +3 more
core   +1 more source

In Situ Amine Formation to Modulate MOF‐Derived PdIn N‐Doped Carbon Catalysts

open access: yesAdvanced Materials, EarlyView.
An amine‐assisted approach converts PdIn‐MOF into PdIn intermetallic nanoparticles embedded in N‐doped carbon. In situ‐generated amines trigger early Pd nucleation, producing smaller PdIn domains than direct pyrolysis. Amine sterics and basicity tune composition and particle size, while solvent and amine co‐determine textural features.
Gonzalo Egea   +9 more
wiley   +1 more source

Equilibria in the esterification of boric acid

open access: yes, 1957
A solvent extraction method was developed to determine the equilibria in the esterification of boric acid, In this method boric acid was reacted with various alcohols.
Palizay, Richard William
core  

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