Results 41 to 50 of about 97,443 (299)

Release of vasopressin from isolated permeabilized neurosecretory nerve terminals is blocked by the light chain of botulinum A toxin [PDF]

open access: yes, 1990
The intracellular action on exocytosis of botulinim A toxin and constituent chains was studied using permeabilized isolated nerve endings from the rat neural lobe. The release of the neuropeptide vasopressin was measured by radioimmunoassay.
Ahnert-Hilger, G.   +4 more
core   +6 more sources

Recent research progress and outlook on the bioactivities and mechanism of piperazine pesticides

open access: yesJournal of Integrative Agriculture
Piperazine is a nitrogen-containing heterocyclic compound that is commonly used as an intermediate linking group in the structural derivation of compounds.
Yanju Wang, Baoan Song
doaj   +1 more source

Substanţele psihoactive noi şi riscurile consumului la copii şi adolescenţi [PDF]

open access: yesRomanian Journal of Pediatrics, 2019
Conform definiției stabilite de Monitorul European pentru Droguri şi Toxicomanie (European Monitoring Centre for Drugs and Drug Addiction – EMCDDA), o „substanță psihoactivă nouă este considerată orice substanță narcotică sau psihotropă în formă pură sau
Viorela Nițescu
doaj   +1 more source

Preclinical discovery of duloxetine for the treatment of depression [PDF]

open access: yes, 2012
Introduction: Affective disorders, including major depressive disorder (MDD), are among the most severely disabling mental disorders, and in many cases areIntroduction: Affective disorders, including major depressive disorder (MDD), are among the most ...
Berrocoso Domínguez, Esther María   +4 more
core   +2 more sources

Synthesis and Antimicrobial Activity of Some New Piperazine Derivaties Containing Aryl Sulfonyloxy Group

open access: yesE-Journal of Chemistry, 2004
Novel N-substituted piperazine derivatives containing sulfonyloxy aniline moiety have been prepared. The various 4-sulfonyloxy aniline (SA) derivatives (2a-h) have been prepared by the condensation reaction of N-Acetyl Sulfanilyl chloride (ASC) and ...
H. S. Patel, H. D. Desai, H. J. Mistry
doaj   +1 more source

The crystal structures of two new coumarin derivatives: 2-(4-{2-[(2-oxo-2H-chromen-4-yl)oxy]acetyl}piperazin-1-yl)acetamide and N-(2,4-dimethoxybenzyl)-2-[(2-oxo-2H-chromen-4-yl)oxy]acetamide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
The title compounds, 2-(4-{2-[(2-oxo-2H-chromen-4-yl)oxy]acetyl}piperazin-1-yl)acetamide, C17H19N3O5, (I), and N-(2,4-dimethoxybenzyl)-2-[(2-oxo-2H-chromen-4-yl)oxy]acetamide, C20H19NO6, (II), are new coumarin derivatives.
S. Syed Abuthahir   +4 more
doaj   +1 more source

Foam Behaviour of an Aqueous Solution of Piperazine- N-Methyldiethanolamine (MDEA) Blend as a Function of the Type of Impurities and Concentrations [PDF]

open access: yes, 2010
This study focuses on the effect of impurities in the natural gas stream on the characteristic of foam behaviour in the blended piperazine and MDEA solution.
Ismail, A. F. (Ahmad)   +2 more
core   +2 more sources

1,4-Bis(4-nitrosophenyl)piperazine: novel bridging ligand in dinuclear complexes of rhodium(III) and iridium(III). [PDF]

open access: yes, 2012
The synthesis, spectroscopic characterization and crystal structures of the first 1,4-bis(4-nitrosophenyl)piperazine (BNPP) (4) bridged dinuclear complexes of rhodium(III) and iridium(III) are presented. The reaction of the μ2-halogenido-bridged dimers [(
Barth, Florian   +2 more
core   +1 more source

Crystal structure of piperazine-1,4-diium bis(4-aminobenzenesulfonate)

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The asymmetric unit of the title salt, C4H12N22+·2C6H6NO3S−, consists of half a piperazindiium dication, located about an inversion centre, and a 4-aminobenzenesulfonate anion. The piperazine ring adopts a chair conformation.
K. Sathesh Kumar   +4 more
doaj   +1 more source

Microfluidic Platform for Multiparametric Profiling of Fibrin Permeability, Fibrinolysis, and Cell Invasion

open access: yesAdvanced Functional Materials, EarlyView.
This paper introduces a single‐channel H‐junction microfluidic assay that profiles fibrin's evolving function in repair and thrombosis by measuring, in one ∼3 µL gel, permeability, fibrinolysis kinetics, fibroblast invasion, and clot extension in real time.
Halston Deal   +9 more
wiley   +1 more source

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