Results 11 to 20 of about 2,989 (293)

High Pressure Spectroscopic Investigation on Proton Transfer in Squaric Acid and 4,4′-Bipyridine Co-crystal [PDF]

open access: yesScientific Reports, 2017
In attempt to the obtain detailed geometric information of proton transfer compound (subsequently denote as SQBP) formed between squaric acid (SQ)and 4,4′-bipyridine(BP), and to investigate the mechanisms of pressure-induced double proton transfer and ...
Zhiwei Ma   +4 more
doaj   +2 more sources

Interlayer Interactions and Macroscopic Property Calculations of Squaric-Acid-Linked Zwitterionic Covalent Organic Frameworks: Structures, Photocatalytic Carrier Transport, and a DFT Study [PDF]

open access: yesMolecules
Squaric-acid-linked zwitterionic covalent organic frameworks (Z-COFs), assembled through interlayer interactions, are emerging as potential materials in the field of photocatalysis.
Gaojie Yan, Xiaojie Zhang
doaj   +2 more sources

Squaric acid-based zwitterionic covalent organic framework induces triple synergy for boosted hydrogen peroxide photosynthesis [PDF]

open access: yesNature Communications
Photocatalytic oxygen reduction reaction offers a sustainable approach for hydrogen peroxide (H2O2) synthesis, while the efficiency is limited by the challenge of synergistically optimizing the supply of oxygen, protons, and electrons.
Chenchen Liu   +12 more
doaj   +2 more sources

Immunotherapy of Recurrent Herpes Labialis With Squaric Acid.

open access: yesJAMA Dermatol, 2017
This randomized placebo-controlled study examines the results of squaric acid dibutyl ester for the treatment of herpes labialis in adults.
Palli MA   +3 more
europepmc   +4 more sources

Examining the Impact of Squaric Acid as a Crosslinking Agent on the Properties of Chitosan-Based Films [PDF]

open access: yesInternational Journal of Molecular Sciences, 2021
Ewa Olewnik-Kruszkowska   +2 more
exaly   +2 more sources

Synthesis and Structural Analysis of New (−)-Cytisine Squaramides [PDF]

open access: yesMolecules
Derivatives of squaric acid are valuable building blocks with promising applications in the investigation of various bioactivities. In this study, we focus on squaramides functionalized with the (−)-cytisine moiety, an alkaloid known for its bioactivity ...
Anna K. Przybył   +2 more
doaj   +2 more sources

Erratum to: NIR-II light-activated two-photon squaric acid dye with type I photodynamics for antitumor therapy [PDF]

open access: yesNanophotonics, 2022
Wang Kexin   +7 more
doaj   +2 more sources

Crystal structure of propane-1,3-diaminium squarate dihydrate [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
Propane-1,3-diaminium squarate dihydrate, C3H12N22+·C4O42−·2H2O, results from the proton-transfer reaction of propane-1,3-diamine with squaric acid and subsequent crystallization from aqueous medium.
Rüdiger W. Seidel, Tsonko M. Kolev
doaj   +2 more sources

Comparative study on the properties of a bio-based copolymacrolactone system

open access: yesPolymer Testing, 2022
The evaluation of the properties and characteristics of macromolecular compounds is essential, especially from the point of view of the potential uses of the studied compounds.
Aurica P. Chiriac   +7 more
doaj   +1 more source

New Cryogels Based on Poly(vinyl alcohol) and a Copolymacrolactone System: I-Synthesis and Characterization

open access: yesNanomaterials, 2022
Physical cryogels were obtained using the successive freeze–thaw technique of poly(vinyl alcohol) (PVA)/poly(ethylene brassylate-co-squaric acid) (PEBSA) solutions.
Bianca-Elena-Beatrice Crețu   +5 more
doaj   +1 more source

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