Results 81 to 90 of about 350,851 (339)

A 1-acetamido derivative of 6-epi-valienamine: an inhibitor of a diverse group of β-N-acetylglucosaminidases [PDF]

open access: yes, 2007
The synthesis of an analogue of 6-epi-valienamine bearing an acetamido group and its characterisation as an inhibitor of β-N-acetylglucosaminidases are described.
Adrian Scaffidi   +49 more
core   +1 more source

Decoupling Dynamics and Crosslink Stability in Supramolecular Hydrogels Using Associative Exchange

open access: yesAdvanced Materials, EarlyView.
How does reorganization impact the stability of supramolecular hydrogels? In contrast to dissociative crosslink exchange, implementing associative exchange in macroscale DNA hydrogels enables decoupling of reorganization dynamics from thermal and mechanical stability.
Pierre Le Bourdonnec   +4 more
wiley   +1 more source

Synthetic routes to Bis-Calix [n]areness : a thesis presented in partial fulfilment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]

open access: yes, 1997
The literature procedures for the targeted syntheses of p-tert-butylcalix[4]arene, p-tert-butylcalix[5]arene, p-tert-butylcalix[6]arene, p-tert-butylcalix[7]arene, and p-tert-butylcalix[8]arene have been repeated successfully.
Irwin, Jacob Lawrence
core  

Calixarene-supported clusters:employment of complementary cluster ligands for the construction of a ferromagnetic [Mn5] cage [PDF]

open access: yes, 2012
A combination of complementary cluster ligands results in the formation of a new calixarene-supported ferromagnetic [Mn5] cage that displays the characteristic bonding modes of each support.
Brechin, Euan K.   +4 more
core   +1 more source

Hexakis(hydroxymethyl)benzene

open access: yesActa Crystallographica Section E Structure Reports Online, 2007
The centrosymmetric title compound, C12H18O6, exhibits a three-dimensional network structure. The structure displays extensive O—H⋯O hydrogen bonding. In each molecule, two sets of three neighboring hydr­oxy groups are located above and below the plane defined by the central benzene ring.
Alexander Rothenberger   +1 more
openaire   +1 more source

Label‐Free Sensing of Coronaviral Sequences via Kretschmann‐Configuration Reflectance Spectroscopic Ellipsometry: Sensitivity, Specificity, and Interfacial Effects

open access: yesAdvanced Materials Interfaces, EarlyView.
Spectroscopic ellipsometry in the Kretschmann‐Raether configuration (KRSE) is employed to characterize a DNA‐functionalized platform for viral sequence recognition. By merging SE with surface plasmon resonance, KRSE outperforms conventional SE, achieving nanomolar targeting through resonance wavelength shifts (δλ) measurements. Its enhanced interfacial
Silvia Maria Cristina Rotondi   +4 more
wiley   +1 more source

Synthesis and biological investigation of (+)-3-hydroxymethylartemisinin

open access: yesBeilstein Journal of Organic Chemistry, 2019
Herein, we describe a biomimetic entry to (+)-3-hydroxymethylartemisinin (2) as well as to the artemisinin derivatives (+)-3-hydroxymethyl-9-desmethylartemisinin (16) and (+)-3-hydroxymethyl-9-epi-artemisinin (18), starting from the known and readily ...
Toni Smeilus   +5 more
doaj   +1 more source

Tetrahydrobiopterin analogues with NO-dependent pulmonary vasodilator properties [PDF]

open access: yes, 2011
Reduced NO levels due to the deficiency of tetrahydrobiopterin (BH4) contribute to impaired vasodilation in pulmonary hypertension Due to the chemically unstable nature of BH4 it was hypothesised that oxidatively stable analogues of BR, would be able to ...
Gibson, Colin   +4 more
core   +1 more source

DNA methylation/hydroxymethylation in melanoma

open access: yesOncotarget, 2017
Melanoma is a malignant tumor of melanocytes and is considered to be the most aggressive cancer among all skin diseases. The pathogenesis of melanoma has not been well documented, which may restrict the research and development of biomarkers and therapies.
Fu, Siqi   +4 more
openaire   +4 more sources

Roadmap to Precision 3D Printing of Cellulose: Rheology‐Guided Formulation, Fidelity Assessment, and Application Horizons

open access: yesAdvanced Materials Technologies, EarlyView.
This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini   +3 more
wiley   +1 more source

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