Results 271 to 280 of about 313,820 (353)

Signaling by NODAL

open access: yesReactome - a curated knowledgebase of biological pathways, 2011
openaire   +1 more source

Study on the Screening of Anti‐Osteoporosis Components in Processed Epimedium‐Based on Spectrum‐Effect Analysis

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Epimedium (EP) is a traditional Chinese medicine that has been used to treat osteoporosis for several years, but its mechanism of action is unclear. We used ultrahigh‐performance liquid chromatography coupled with triple–quadrupole mass spectrometry (UPLC–QQQ–MS/MS) to detect the components of raw and processed EP samples.
Jinling Liang   +8 more
wiley   +1 more source

In Pursuit of Low Energy Phosphorescence: Late Metal Coordination Complexes of the Planar, π‐extended Bipyridyl Ligand 6,6′,7,7′‐Biphenanthridine

open access: yesChemistry – A European Journal, EarlyView.
Abstract The coordination chemistry of the planar, doubly π‐extended bipyridine analog, 6,6′,7,7′‐biphenanthridine (p‐biphe), is presented. The phenanthridine units in p‐biphe are fused together at the 6‐ and 7‐ positions, and the resulting rigid ligand is compared with the more flexible parent “biphe” fused only at the 6‐positions.
Dion B. Nemez   +4 more
wiley   +1 more source

Medical Humanities in India: Need of the hour [PDF]

open access: yesAl Ameen Journal of Medical Sciences, 2017
Sunita Y. Patil
doaj  

Sentinel Lymph Node Biopsy in Melanoma: Overview and Updates. [PDF]

open access: yesInt J Mol Sci
Mansini A   +5 more
europepmc   +1 more source

Cyclopenta‐Fused Polyaromatic Hydrocarbon (CP‐PAH) Radicals: Synthesis, Characterization, and Quantum Chemical Calculations

open access: yesChemistry – A European Journal, EarlyView.
Extending the π system of a fully conjugated framework composed of alternating five‐ and six‐membered rings led to further rare examples of bench‐stable carbon‐centered hydrocarbon radicals. Spectroscopic analysis allowed extensive characterization, which was further supported by computational methods.
Ali S. Acan   +2 more
wiley   +1 more source

Synthesis and characterization of amphiphilic nitroxide 1,1,3,3–tetraethylisoindoline–2–oxyl–5–sodium sulfonate (TEIOSNa)

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal   +3 more
wiley   +1 more source

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