Pressurized liquid extraction (PLE) has been used for the extraction of beta-sitosterol from food samples. In the present work, extractions were performed by mixing ground samples with Hydromatrix celite with methanol at 50 degrees C and 110 bar, using two 5-min cycles. After extraction, beta-sitosterol was analyzed directly by liquid chromatography with diode array detection. The extraction re...

A pressurized water extraction (PWE) method was developed in order to extract β-glucans with bile acids-binding capacities from cultivated mushrooms (Agaricus bisporus, Lentinula edodes, and Pleurotus ostreatus) to be used as supplements to design novel foods with hypocholesterolemic properties. Extraction yields were higher in individual than sequential extractions being the optimal extraction...

efficient mode shape extraction of fluid-structure systems is of particular interest in engineering. an efficient modified version of unsymmetric lanczos method is proposed in this paper. the original unsymmetric lanczos method was applied to general form of unsymmetric matrices, while the proposed method is developed particularly for the fluid-structure matrices. the method provides us with si...

Mechanical seals continue to be the predominant technology for shaft sealing in centrifugal pumps and other rotating equipment. While most mechanical seals are designed to operate on a liquid film, there are options for designing seal faces which function reliably while operating on a hydrodynamic gas film. In a dual pressurized seal (Arrangement 3), gas seals can provide unique benefits in ter...

The recently introduced phase-field approach for pressurized fractures in a porous medium offers various attractive computational features for numerical simulations of cracks such as joining, branching, and non-planar propagation in possibly heterogeneous media. In this study, the pressurized phase-field framework is extended to fluid-filled fractures in which the pressure is computed from a ge...

PURPOSE This study investigates the effect of constitutively raised interstitial fluid pressure on osteosarcoma physiology and chemosensitivity. EXPERIMENTAL DESIGN We did pressure and blood flow assessments at the time of open biopsy in patients with the diagnosis of high-grade osteosarcoma and correlated this to survival and chemotherapy-associated tumor necrosis. Osteosarcoma cell lines we...

high pressures also requires special equipment. In summary, both RESS crystallization and SAS crystallization appear to be promising methods for generating supersaturation and therefore represent alternatives to conventional crystallization. Such alternatives may prove attractive in applications such as polymer and pharmaceutical processing, or in particle design for drug delivery. It is possib...

The axial deformation of a pipette-pressurized fluid membrane bag produces minuscule yet well-defined, reproducible forces. The stiffness of this ultrasensitive force transducer is tunable and largely independent of the constitutive membrane behavior. Based on a rigorous variational treatment, we present both numerical as well as approximate analytical solutions for the force-deflection relatio...