The packed column supercritical fluid chromatography has risen as a promising alternative separation technique to the conventional liquid and gas chromatography. Although many advantages compared other chromatographic techniques, its mechanism is not fully understood due complex combination effects of parameters on quality lacking global strategies for studying mechanisms. This review aims prov...

The growth hormone receptor was the first cytokine receptor to be cloned and crystallized, and provides a valuable exemplar for activation of its cognate kinase, JAK2. We review progress in understanding its activation mechanism, in particular the molecular movements made by this constitutively dimerized receptor in response to ligand binding, and how these lead to a separation of JAK-binding B...

In this paper, a new traffic separation mechanism is proposed for IEEE 802.11e networks. Such Traffic Separation Mechanism (TSm) allows the coexistence of CSMA default stations with real-time stations in the same network domain. A station implementing the proposed TSm scheme has the same operating behavior as a default IEEE 802.11e network station, except in what concerns the evaluation of the ...

Starting from a phase space conserving gyrokinetic formulation, a systematic derivation of parallel momentum conservation uncovers a novel mechanism by which microturbulence may drive intrinsic rotation. This mechanism, which appears in the gyrokinetic formulation through the parallel nonlinearity, emerges due to charge separation induced by the polarization drift. The derivation and physical d...

The hippocampus plays a key role in pattern separation, the process of transforming similar incoming information to highly dissimilar, nonverlapping representations. Sparse firing granule cells (GCs) in the dentate gyrus (DG) have been proposed to undertake this computation, but little is known about which of their properties influence pattern separation. Dendritic atrophy has been reported in ...

Low-viscosity, aqueous solutions of hydrophilic linear polymers have been shown to be useful for the separation of DNA restriction fragments by capillary electrophoresis (CE). However, the choice of polymer type, size, and concentration remains largely empirical, because the mechanism of high-field electrophoretic DNA separations in polymer solutions is not well understood. To assist in elucida...

Ionic liquids are a very important class of compounds due to their remarkable properties and wide range applications. On the other hand, capillary electrophoresis is also gaining importance in separation science because its fast speed inexpensive nature. The use ionic continuously. present review article describes applications electrophoresis. This general aspects electrophoresis, optimization ...

oxime extractants 3-tert-butyl-2-hydroxy-5-methyl benzaldehyde oxime (hl1) and 3-tert-butyl-2-hydroxy-5-methoxy benzaldehyde oxime (hl2) were synthesized and characterized by conventional spectroscopic methods. suitable lipophilic nature of the prepared extractants allowed examining the ability of these molecules for extraction-separation of copper from its mixture with normally associated meta...

this paper focuses on the effects of the addition of an ionic liquid, 1-allyl-3-butylimidazilium bis(trifluoromethane sulfonyl)imide ([abim]tfsi), which has a high affinity for benzene, into the poly(vinyl chloride) (pvc) membrane on the pervaporation characteristics of the removal of benzene from aqueous solutions of dilute benzene. when aqueous solutions of 100～500 ppm benzene were permeated ...

To study the influence law of overburden rotating plate mechanism on fragmentation and separation potato soil agglomerates, a single-factor test response surface simulation analysis process were conducted in EDEM 2022 software. The results show that triangular rack blade overburdened has best effect separation. With increase lower speed, upper lift chain bar line tilt angle mechanism, agglomera...