Results 51 to 60 of about 35,038 (278)

Noah\u27s Consonants [PDF]

open access: yes, 2002
The title refers to he of the Ark as distinct from he of the dictionary. Noah\u27s Ark is a honeymoon haven for words because Noah only admits those words in which each consonant has a partner. In practice he\u27s even more picky, refusing entry to any
Thorpe, Susan
core   +1 more source

A Rapid and Sensitive Method for the Determination of Chitosan Concentration by NMR Relaxometry

open access: yesMagnetic Resonance in Chemistry, EarlyView.
ABSTRACT A rapid, reagent‐free method for the quantification of chitosan in aqueous solutions was developed using 1H nuclear magnetic resonance (NMR) relaxometry. Transverse relaxation times (T2) of chitosan solutions (5–1000 mg/L) were measured with a Carr–Purcell–Meiboom–Gill (CPMG) sequence on a benchtop NMR relaxometer.
Marta Férová, Jiří Kalina
wiley   +1 more source

Trimethylammonium 5-(2,4-dinitrophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate 0.125-hydrate

open access: yesActa Crystallographica Section E, 2013
The asymmetric unit of the title salt C3H10N+·C10H5N4O7−·0.125H2O [trivial name: trimethylammonium 5-(2,4-dinitrophenyl)barbiturate 0.125-hydrate], contains two independent cations, two independent anions and a 0.25-occupancy solvent ...
Govindan Mangaiyarkarasi   +1 more
doaj   +1 more source

Abietic Acid Enhances the Sedative Activity of Diazepam: In vivo Approach along with Receptor Binding Affinity and Molecular Interaction with the GABAergic System

open access: yesChemistryOpen, EarlyView.
Abietic acid (AA) reveals potent sedative potential by expressing fast sleeping onset and increased sleeping duration compare to the control group in thiopental sodium induced sleeping mice. The compound also exhibited notable binding affinity (–7.9 kcal/mol) toward GABAA receptors.
Meher Afroz   +10 more
wiley   +1 more source

N,N-Diethylanilinium 5-(2,4-dinitrophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate

open access: yesActa Crystallographica Section E, 2013
The asymmetric unit of the title molecular salt, C10H16N+·C10H5N4O7− (trivial name: N,N-diethylanilinium 2,4-dinitrophenylbarbiturate), comprises two anion–cation units.
Govindan Mangaiyarkarasi   +1 more
doaj   +1 more source

Bifunctional thiourea-catalyzed asymmetric [3 + 2] annulation reactions of 2-isothiocyanato-1-indanones with barbiturate-based olefins

open access: yesBeilstein Journal of Organic Chemistry, 2022
Bifunctional thiourea-catalyzed asymmetric [3 + 2] annulation reactions of 2-isothiocyanato-1-indanones with barbiturate-based olefins have been developed to afford chiral dispiro[indene-pyrrolidine-pyrimidine]s.
Jiang-Song Zhai, Da-Ming Du
doaj   +1 more source

Recent Advances in Homogeneous Catalysis with Platinum Group Pincer Complexes: Hydrogen‐Mediated Transformations and Cross‐Coupling Reactions

open access: yesThe Chemical Record, EarlyView.
Platinum group pincer complexes are highly efficient catalysts. Additionally, their high activity enables challenging transformations with low catalyst loading. Herein, we summarize the most relevant advances of catalysis involving platinum group pincer complexes. The use of pincer complexes based on platinum group metals is undoubtedly one of the most
Juan S. Serrano‐García   +4 more
wiley   +1 more source

Cholesteric Liquid Crystal Displays as Optical Sensors of Barbiturate Binding

open access: yes, 2007
The influence on the optical properties of cholesteric liquid crystal displays (LCDs) was examined for neutral molecule binding by mesogen/receptors in the mesomorphic phase. The motivation was to prepare neutral molecule sensors that use a colour change
Bell, Elissa J.   +5 more
core   +1 more source

Drug Use After Emergency Department‐Initiated Injectable Buprenorphine: A Secondary Analysis of the ED‐INNOVATION Ancillary Safety and Feasibility Trial

open access: yesAcademic Emergency Medicine, EarlyView.
ABSTRACT Study Objective To characterize opioid and nonopioid drug use in the week following emergency department (ED)‐initiated extended‐release buprenorphine (XR‐BUP) treatment using both self‐reported data and urine drug screens (UDS). Methods This study uses data collected during a nonrandomized clinical trial of patients with untreated opioid use ...
Ethan Cowan   +10 more
wiley   +1 more source

Step-down infusion of barbiturate improves neurofunction in a new rat model of rebleeding subarachnoid hemorrhage

open access: yesBrain Hemorrhages
Objective: Rebleeding from a ruptured aneurysm is a risk factor for fatal prognosis in subarachnoid hemorrhage (SAH). A novel barbiturate treatment, step-down infusion of barbiturate (sd-B), was previously developed; it showed beneficial effects on ...
Sosho Kajiwara   +3 more
doaj   +1 more source

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