Results 241 to 250 of about 78,549 (296)

Merging Biocatalysis and Chemocatalysis in Flow: State‐of‐the‐Art and Future Directions for Sustainable Synthesis

Angewandte Chemie, EarlyView.
This review highlights recent advances in integrating biocatalysis and chemocatalysis in continuous flow to create streamlined, sustainable processes. It examines chemo‐enzymatic cascades combining at least one enzymatic and one chemical step, discusses challenges such as enzyme immobilization, leaching, and reactor clogging, and presents solutions ...
Petros Siasiaridis, Matteo Damian, Francesco G. Mutti   +2 more
wiley   +1 more source

Domino Polymerization for the Synthesis of Reductively Degradable Poly(disulfide)s With Arbitrary Side‐Chain Structures

Angewandte Chemie, EarlyView.
We developed a novel domino polymerization to synthesize reductively degradable poly(disulfide)s with tunable side chains. A novel monomer bearing thiolactone and pyridyl disulfide groups reacts with various amines, enabling continuous ring‐opening and disulfide exchange.
Yukiya Kitayama, Ryodai Sakamoto, Atsushi Harada   +2 more
wiley   +1 more source

Recent Trends in Metabolomics by NMR Spectroscopy

Angewandte Chemie, EarlyView.
AI tools were applied to analyze more than 5 000 publications indexed in Scopus (2018–2025), identifying key trends and research directions in NMR‐based metabolomics. The artificial intelligence‐assisted workflow classified papers into six main fields of application, human health, food and nutrition, veterinary science, plants, environment, and ...
Giorgio Di Paco, Gaia Meoni, Veronica Ghini, Alessia Vignoli, Leonardo Tenori, Paola Turano, Claudio Luchinat   +6 more
wiley   +1 more source

Mechanical behavior of expanded polystyrene

, 1994
openaire   +1 more source

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Filtration application from recycled expanded polystyrene

Journal of Colloid and Interface Science, 2006
Water-in-oil emulsion with drop size less than 100 mum is difficult to separate. Coalescence filtration is economical and effective for separation of secondary dispersions. Coalescence performance depends on flow rate, bed depth, fiber surface properties, and drop size. The amount of surface area of the fibers directly affects the efficiency.
openaire   +2 more sources

Expanded Polystyrene in Soil Reinforcement

2020
The design and execution of works on soft soils represent high complexity and challenges to geotechnicians, since these soils have low bearing capacity. Traditional construction methods require total or partial replacement of low resistance soil by soil with good bearing capacity; sometimes it is possible to construct lateral equilibrium berms; or to ...
David Carvalho, Roberto Kassouf, Pedro Scatena, Vilson Scatena   +3 more
openaire   +1 more source

Modeling of expandable polystyrene expansion

Journal of Applied Polymer Science, 2016
ABSTRACTA fundamental understanding of the expansion kinetics of expandable polystyrene (EPS) is crucial for the design and optimization of processes for EPS‐filled syntactic foams. In this study, a general formulation was developed to model EPS expansion.
Yifeng Hong, Xudong Fang, Donggang Yao
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Expanded Polystyrene Spheres as Evaporation Suppressors

Journal of the Irrigation and Drainage Division, 1980
Tests were made both under indoor and outdoor conditions, land and floating pans covered with beads to produce various water surface coverage. Daily measurements of evaporation and water temperature were recorded. Dissolved oxygen measurements were also performed separately to determine the effect of various covers on oxygen transfer.
Tariq A. Mahmoud, Natiq K. Bashi
openaire   +1 more source

Recycling of Expanded Polystyrene from Packaging

Progress in Rubber, Plastics and Recycling Technology, 2010
Expanded polystyrene (EPS) is a commonly used polymer in the packaging industry. The great importance of EPS recovery is related to the material's short service life and the high volume of EPS waste. The aim of the present work was to reduce the volume of waste by its mechanical milling and crushing and subsequent reintroduction into mass production ...
M.D. Samper, D. Garcia-Sanoguera, F. Parres, J. López   +3 more
openaire   +1 more source

Loss of Blowing Agents from Expandable and Expanded Polystyrene

Cellular Polymers, 1989
A set of expandable polystyrene (PS) beads of different sizes containing mixed blowing agents (n-pentane and i-pentane) with different compositions was prepared and processed in the standard way. Non-expanded PS beads, pre-expanded PS beads and the final PS foams were exposed to air at room temperature for more than 4000 hours and the weight losses ...
Z. Horak, J. Zach, P. Schneider
openaire   +1 more source