Results 101 to 110 of about 15,026 (303)

Extraction and separation of astaxanthin with the help of pre-treatment of Haematococcus pluvialis microalgae biomass using aqueous two-phase systems based on deep eutectic solvents

Scientific Reports
The microalgae Haematococcus pluvialis are the main source of the natural antioxidant astaxanthin. However, the effective extraction of astaxanthin from these microalgae remains a significant challenge due to the rigid, non-hydrolyzable cell walls ...
Neda Nemani, Seyed Mohsen Dehnavi, Gholamreza Pazuki   +2 more
doaj   +1 more source

Indirect assessment of the fusion properties of choline chloride from solid-liquid equilibria data [PDF]

, 2017
The temperature and enthalpy of fusion of choline chloride -[Ch]Cl- are not directly measurable since this compound decomposes upon melting. Yet, given the wide use of this compound in the preparation of deep eutectic solvents (DES), its thermophysical ...
Coutinho, João A.P., Fernandez, Luis, Ferreira, Olga, Martins, Mónia A.R., Ortega, Juan, Pinho, Simão, Silva, Liliana P.   +6 more
core   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Advances in extraction methods of astaxanthin from crustacean aquatic products and their processing by⁃products

Shipin yu jixie
Astaxanthin is widely used in food, feed, cosmetic and pharmaceutical fields due to its biological activity and color characteristics, among which natural astaxanthin has a huge market demand in recent years due to its higher antioxidant activity and ...
HAN Lu, XIANG Dandan, XIE Dan, MA Zibin, WU Chunhui   +4 more
doaj   +1 more source

Characterization of bulk hexagonal boron nitride single crystals grown by the metal flux technique [PDF]

, 2014
The optical and physical properties of hexagonal boron nitride single crystals grown from a molten metal solution are reported. The hBN crystals were grown by precipitation from a nickel-chromium flux with a boron nitride source, by slowly cooling from ...
Clubine, B., Currie, M., Du, X.Z., Edgar, James H., Hoffman, Timothy B., Jiang, H.X., Lin, J.Y.   +6 more
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

A Novel Approach for the Synthesis of 3,3′-((4-Methoxyphenyl)methylene)bis(4-hydroxyfuran-2(5H)-one) Employing Natural Deep Eutectic Solvents and Microwave Irradiation

Molbank
Tetronic acid, a five-membered heterocyclic moiety present in various natural products, has emerged as a significant building block for many pharmaceutically active compounds. In this study, a novel protocol for the synthesis of the bis-tetronic acid 3,3′
Maria-Anna Karadendrou, Ioanna Kostopoulou, Afroditi Christodoulou, Andromachi Tzani, Anastasia Detsi   +4 more
doaj   +1 more source

Isothermal equation of state and high-pressure phase transitions of synthetic meridianiite (MgSO4·11D2O) determined by neutron powder diffraction and quasielastic neutron spectroscopy [PDF]

, 2017
We have collected neutron powder diffraction data from MgSO4·11D2O (the deuterated analogue of meridianiite), a highly hydrated sulfate salt that is thought to be a candidate rock-forming mineral in some icy satellites of the outer solar system.
Fernandez-Alonso, F, Fortes, AD, Tucker, M, Wood, IG   +3 more
core   +1 more source

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

Advanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Antibacterial Activity and Molecular Docking of Compounds from Avicennia marina Leaves Extracts: Obtained by Natural Deep Eutectic Solvents

Indonesian Journal of Chemistry
This study aims to determine the effect of using natural deep eutectic solvent in extracting compounds from young and old leaves of Avicennia marina on the antibacterial activity through in vitro and in silico.
Hartati Kartikaningsih, Heder Djamaludin, Nanda Audina, Jihan Nur Fauziyah   +3 more
doaj   +1 more source