Results 61 to 70 of about 8,645 (211)

Hydrogen-bonded dimers in 2-nitrobenzaldehyde hydrazone and a three-dimensional hydrogen-bonded framework in 3-nitrobenzaldehyde hydrazone [PDF]

open access: yes, 2004
Molecules of 2-nitrobenzaldehyde hydrazone, C7H7N3O2, where Z' = 2, are linked by two N-H...N hydrogen bonds into isolated dimers, whereas in the isomeric 3-nitrobenzaldehyde hydrazone, where Z' = 1, the molecules are linked by one N-H...O hydrogen bond ...
Low, JN   +3 more
core   +1 more source

Multistage Reversible Tg Photomodulation and Hardening of Hydrazone-Containing Polymers [PDF]

open access: yes, 2021
The glass transition temperature (Tg) of a series of polyacrylate- and polymethacrylate-based polymers having bistable hydrazone photoswitches as pendants increases upon photoisomerization.
Arri Priimagi   +15 more
core   +1 more source

Multi‐Targeting Carnosic Acid Kills Drug‐Resistant Helicobacter pylori With Narrow‐Spectrum Activity

open access: yesAdvanced Science, EarlyView.
Carnosic acid selectively eradicates drug‐resistant Helicobacter pylori through a multi‐targeted mechanism involving urease inhibition, membrane disruption, and biofilm eradication. It exhibits no detectable resistance, potent in vivo efficacy, and minimal impact on gut microbiota, positioning it as a promising narrow‐spectrum lead compound against ...
Yuefan Bai   +7 more
wiley   +1 more source

Structural Studies and Investigation on the Activity of Imidazole-Derived Thiosemicarbazones and Hydrazones against Crop-Related Fungi

open access: yesMolecules, 2013
New imidazole derived thiosemicarbazones and hydrazones were prepared by condensation of 4(5)-imidazole carboxaldehyde, 4-(1H-imidazole-1-yl)benzaldehyde and 4-(1H-imidazole-1-yl)acetophenone with a thiosemicarbazide or hydrazide.
Jacqueline A. Takahashi   +7 more
doaj   +1 more source

Attainment of Pentagonal-Bipyramidal LnIII Complexes from a Planar Pentadentate Ligand

open access: yesProceedings, 2020
The search for mononuclear lanthanoid-based single-ion magnets (SIMs) has increased the interest in some coordination environments with low coordination numbers, in combination with an axial symmetry, as they could maximize the anisotropy of complexes of
Julio Corredoira-Vázquez   +3 more
doaj   +1 more source

Therapeutic Applications of Stimuli‐Based Release and Engineering of Extracellular Vesicles

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review summarizes the effects of endogenous and exogenous stimuli, their effects on the natural release of extracellular vesicles, as well as their uptake and release. It also gives an overview of stimuli‐responsive EVs and their therapeutic applications. Extracellular vesicles (EVs), nano‐ to microsized lipid bilayer membrane‐bound particles, are
Gloria Kemunto, Kristen Dellinger
wiley   +1 more source

Azine or hydrazone? The dilemma in amidinohydrazones [PDF]

open access: yes, 2015
Azines belong to an important class of compounds that are found to have numerous applications in medicinal chemistry. Hydrazones are related to azines and are more widely known compounds that carry many biochemical applications.
Chourasiya, Sumit S.   +2 more
core   +1 more source

Two Vanadium(V) Complexes Derived from Bromo and Chloro-Substituted Hydrazone Ligands: Syntheses, Crystal Structures and Antimicrobial Property

open access: yesActa Chimica Slovenica, 2020
Two vanadium(V) complexes derived from the bromo and chloro-substituted hydrazones N'-(4-bromo-2-hydroxybenzylidene)-2-chlorobenzohydrazide (H2L1) and N'-(3-bromo-5-chloro-2-hydroxybenzylidene)-3-methylbenzohydrazide (H2L2) with the formula [VOL1(OCH3 ...
Zi-Qiang Sun   +4 more
doaj   +1 more source

Discovery of Novel Thiophene/Hydrazones: In Vitro and In Silico Studies against Pancreatic Cancer

open access: yesPharmaceutics, 2023
Cancer is the disease with the highest mortality. Drug studies contribute to promising treatments; however there is an urgent need for selective drug candidates. Pancreatic cancer is difficult to treat and the cancer progresses rapidly.
Goknil Pelin Coskun   +7 more
doaj   +1 more source

Hydrazone Switch-Based Negative Feedback Loop [PDF]

open access: yes, 2016
A negative feedback loop that relies on the coordination-coupled deprotonation (CCD) of a hydrazone switch has been developed. Above a particular threshold of zinc­(II), CCD releases enough protons to the environment to trigger a cascade of reactions ...
Ivan Aprahamian (1336620)   +1 more
core   +1 more source

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