Results 131 to 140 of about 66,302 (297)

A Kinetic Model for Ultrasound-Assisted Extraction of Geniposide from Gardenia jasminoides

open access: yes, 2015
The ultrasound-assisted extraction (UAE) was employed to extract geniposide from Gardenia jasminoides, and the effects of extraction temperature, extraction time, ultrasound power, solvent/sample ratio, and particle size on the concentration of ...
Lin Dai (382195)   +3 more
core   +1 more source

Comparison of Polygonatum sibiricum Polysaccharides from Different Extraction Methods

open access: yesFoods
Although our previous research has indicated that the ultrasound-assisted extraction–deep eutectic solvent method possessed the highest extraction yield for Polygonatum sibiricum Polysaccharide, it is uncertain whether the Polygonatum sibiricum ...
Yan Chen   +10 more
doaj   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

Ultrasound-assisted extraction of phenolic compounds from Adenaria floribunda stem

open access: yes
Data of ultrasound-assisted extraction of phenolic compounds from Adenaria floribunda ...
Osorio-Tobón, J
core   +1 more source

Impact of extraction techniques on phytochemical composition and bioactivity of natural product mixtures

open access: yesFrontiers in Pharmacology
Extraction methods critically influence the phytochemical profile and bioactivity of natural product mixtures, affecting their efficacy as therapeutic agents.
Shicai Sun   +13 more
doaj   +1 more source

Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions

open access: yesAdvanced Materials, EarlyView.
Miniature soft robots have great prospects to revolutionize minimally invasive treatments. Here we present a miniature soft robot, which can be reprogrammed to perform five surgical functionalities with six‐degrees‐of‐freedom motions. This soft robot can prospectively make minimally invasive surgery considerably safer and painless, and enable ...
Chelsea Shan Xian Ng   +4 more
wiley   +1 more source

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

open access: yesAdvanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair   +3 more
wiley   +1 more source

New ultrasound-assisted microreactor for extracting extraterrestrial biomolecules

open access: yesUltrasonics Sonochemistry
Searching for organics in extraterrestrial environments, especially biomolecules, continues to be a notable challenge for in situ missions. To address this challenge, this paper introduces an ultrasound (US)-assisted reactor for extraction of amino acids, which complies with space constraints..
Timoumi, Ramzi   +6 more
openaire   +3 more sources

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

open access: yesAdvanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen   +7 more
wiley   +1 more source

Ultrasound-assisted aqueous extraction of oil and carotenoids from microwave-dried Gac (Momordica cochinchinensis spreng) aril

open access: yes, 2015
The study aimed to optimise the ultrasound-assisted aqueous extraction of oil, β-carotene and lycopene from powdered microwave-dried gac arils. Ultrasound power, extraction time, powder particle size and the ratio of water to gac powder during the ...
Roach, Paul D.   +3 more
core   +1 more source

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