Results 91 to 100 of about 444,091 (356)

2-Bromopyridine-3-carboxylic acid

open access: yesActa Crystallographica Section E, 2010
The carboxylic acid residue in the title compound, C6H4BrNO2, is twisted out of the plane of the other atoms, as indicated by the (Br)C—C—C—Ocarbonyl torsion angle of −20.1 (9)°.
R. Alan Howie   +4 more
doaj   +1 more source

Phosphonylmethylaminocyclopentane‐1‐carboxylic acid

open access: yesHeteroatom Chemistry, 2003
AbstractPhosphonylmethylaminocyclopentane‐1‐carboxylic acid was synthesized using Kabachnik–Fields reaction conditions in high yield and was characterized by NMR (1H, 31P, and 13C) and FAB spectroscopy. © 2003 Wiley Periodicals, Inc. Heteroatom Chem 14:229–230, 2003; Published online in Wiley InterScience (www.interscience.wiley.com).
E. Najdenova   +3 more
openaire   +1 more source

Wet spinning of solid polyamic acid fibers [PDF]

open access: yes, 1991
The invention is a process for the production of solid aromatic polyamic acid and polyimide fibers from a wet gel or coagulation bath wet gel using N,N-dimethylacetamide (DMAc) solutions of the polyamic acid derived from aromatic dianhydrides such as 3,3'
Dorogy, William E., Jr.   +1 more
core   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

Bis(μ-2′-carboxylatobiphenyl-2-carboxylic acid-κ2O2:O2′)bis[(2,2′-bipyridine-κ2N,N′)(2′-carboxylatobiphenyl-2-carboxylic acid-κO2′)zinc(II)]

open access: yesActa Crystallographica Section E, 2009
In the dimeric title compound, [Zn2(C14H9O4)4(C10H8N2)2], the ZnII ions are pentacoordinated by one 2,2′-bipyridyl ligand and by three O atoms from three 2′-carboxylatobiphenyl-2-carboxylic acid ligands.
Zhe An
doaj   +1 more source

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz   +3 more
wiley   +1 more source

Synthesis of New Benzofuran-2-Carboxylic Acid Derivatives

open access: yesJournal of Chemistry, 2013
Novel ethyl ester and methylamide of 5-[bis(2-chloroethyl)amino]-7-methoxybenzofuran-2-carboxylic acid as well as (2-hydroxy-1,1-dimethylethyl)amides of 5-bromo- and 5,7-dichlorobenzofuran-2-carboxylic acid were synthesized and characterized.
M. Kowalewska   +3 more
doaj   +1 more source

Thioglycolic acid on the gold (111) surface and Raman vibrational spectra

open access: yes, 2010
The interaction of thioglycolic acid with the Au(111) surface is investigaged, and it is found that at the low coverage the molecule lies down on the substrate.
Williams, Quinton L.   +2 more
core   +1 more source

Synthesis and characterisation of biologically compatible TiO2 nanoparticles [PDF]

open access: yes, 2011
Peer reviewedPublisher ...
Cheyne, Richard William   +3 more
core   +2 more sources

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

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