Results 41 to 50 of about 72,853 (343)

Temperature dependency of VOCs release characteristics of asphalt materials under varying test conditions

open access: yesJournal of Traffic and Transportation Engineering (English ed. Online), 2022
Asphalt pavement is increasingly used in paving and roofing. However, the release of volatile organic compounds (VOCs) from asphalt harm both the environment and humans.
Xiwen Chang   +4 more
doaj   +1 more source

A new kinetic model for predicting polyamide 6-6 hydrolysis and its mechanical embrittlement [PDF]

open access: yes, 2012
PA 6-6 hydrolysis at 60, 70, 80 and 90 °C in distilled water has been studied by Fourier transform infrared spectroscopy, viscometry in molten state, differential scanning calorimetry and uniaxial tensile testing.
COLIN, Xavier   +2 more
core   +6 more sources

Studies on the sulfation of cellulose α-lipoate and ability of the sulfated product to stabilize colloidal suspensions of gold nanoparticles [PDF]

open access: yes, 2015
© 2015 Elsevier Ltd. A versatile method for the synthesis of cellulose α-lipoate with a low degree of substitution (DS) has been developed using N,N-dimethylacetamide (DMA)/LiCl as a solvent and N,N′-carbonyldiimidazole (CDI) as an esterification reagent.
Cheng, Fei   +4 more
core   +2 more sources

Hydroboration-Oxidation of (±)-(1α,3α,3aβ,6aβ) -1,2,3,3a,4,6a-Hexahydro-1,3-pentalenedimethanol and Its O-Protected Derivatives: Synthesis of New Compounds Useful for Obtaining (iso)Carbacyclin Analogues and X-ray Analysis of the Products

open access: yesMolecules, 2017
Hydroboration-oxidation of 2α,4α-dimethanol-1β,5β-bicyclo[3.3.0]oct-6-en dibenzoate (1) gave alcohols 2 (symmetric) and 3 (unsymmetric) in ~60% yield, together with the monobenzoate diol 4a (37%), resulting from the reduction of the closer benzoate by ...
Constantin I. Tănase   +4 more
doaj   +1 more source

Biomass-Derived Plant Extracts in Macromolecular Chitosan Matrices as a Green Coating for PLA Films

open access: yesJournal of Functional Biomaterials, 2022
Due to the growing problem of food and packaging waste, environmental awareness, and customer requirements for food safety, there is a great need for the development of innovative and functional packaging.
Lidija Fras Zemljič   +9 more
doaj   +1 more source

Pleiotropic Role of Tenascin-C in Central Nervous System Diseases: From Basic to Clinical Applications

open access: yesFrontiers in Neurology, 2020
The extracellular matrix is composed of a variety of macromolecular substances secreted by cells, which form a complex network that supports and connects tissue structures, regulates the morphogenesis of tissues, and maintains the physiological ...
Chen Hanmin   +5 more
doaj   +1 more source

Identification of compositional and structural changes in the nucleus pulposus of patients with cervical disc herniation by Raman spectroscopy

open access: yesFrontiers in Endocrinology, 2022
PurposeCervical disc herniation (CDH) is one of the most common spinal diseases in modern society; intervertebral disc degeneration (IVDD) has long been considered as its primary cause.
Zhiqi Wang   +9 more
doaj   +1 more source

Comparison of MRI properties between multimeric DOTAGA and DO3A gadolinium-dendron conjugates [PDF]

open access: yes, 2019
The inherent lack of sensitivity of MRI needs the development of new Gd contrast agents in order to extend 20Hz,37%, the application of this technique to cellular imaging.
Boutry, Sébastien   +13 more
core   +4 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Photochemical UV/TiO2 treatment of olive mill wastewater (OMW) [PDF]

open access: yes, 2008
Olive mill wastewater (OMW) was treated by photocatalysis using TiO2 under UV irradiation on the laboratory scale. The chemical oxygen demand, the coloration at 330 nm, and the level of phenols all showed decreases which, after a 24-h treatment, reached ...
Bailly, Jean-René   +7 more
core   +3 more sources

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