phenolic compounds, especially those of plant origin, constitute an essential part of the human diet, and are of considerable interest due to their antioxidant properties. in this study, ultrasound-assisted extraction (uae), microwave-assisted extraction (mae), as well as maceration extraction (me) methods were applied for phenolic compounds’ extraction from pistachio green hull. response surfa...

A new method based on accelerated solvent extraction (ASE) combined with response surface methodology (RSM) modeling and optimization has been developed for the extraction of four lignans in Fructus Schisandrae (the fruits of Schisandra chinensis Baill). The RSM method, based on a three level and three variable Box-Behnken design (BBD), was employed to obtain the optimal combination of extracti...

Mangiferin is a xanthone widely distributed in higher plants showing antioxidative, antiviral, anticancer, antidiabetic, immunomodulatory, hepatoprotective and analgesic effects. In the present study, an ultrasonic-assisted extraction method was developed for the effective extraction of mangiferin from mango leaves. Some parameters such as ethanol concentration, liquid-to-solid ratio, extractio...

The magnetic aqueous micellar two-phase system (MAMTPS) has the advantages combined of magnetic solid phase extraction (MSPE) and aqueous micellar two-phase system (AMTPS). Thus, MAMTPS based on Fe3O4 magnetic nanoparticles (MNPs) and a nonionic surfactant Triton X-114 (TX-114) was developed for the extraction, enrichment and removal of three dyes (Congo red, methyl blue, and methyl violet) fro...

Response surface methodology (RSM) has been used to optimize the extraction conditions of antioxidants with relatively low caffeine content from green tea by using ultrasonic extraction. The predicted optimal conditions for the highest antioxidant activity and minimum caffeine level were found at 19.7% ethanol, 26.4 min extraction time, and 24.0 ° C extraction temperature. In the predicted opti...

The limit of power extraction by a device which makes use constructive interference, i.e. local blockage, is investigated theoretically. modelled using actuator disc theory in we allow the to be split into arrays and these then sub-arrays an arbitrary number times so as construct $n$ -level multi-scale original undergoes $n-1$ sub-divisions. alternative physical interpretation problem planar sy...

We describe an optimal signal extraction process for imaging X-ray polarimetry using ensemble of deep neural networks. The initial photoelectron angle, used to recover the polarization, has errors following a von Mises distribution. This is complicated by events converting outside fiducial gas volume, whose tracks have little polarization sensitivity. train convolutional networks select against...

Understanding events entails recognizing the structural and temporal orders between event mentions to build structures/graphs for input documents. To achieve this goal, our work addresses problems of subevent relation extraction (SRE) (TRE) that aim predict relations two given mentions/triggers in texts. Recent state-of-the-art methods such have employed transformer-based language models (e.g.,...