high pressure aggregates

Rheology of Synthetic Omphacite Aggregates at High Pressure and High Temperature | Journal of Petrology | Oxford Academic. Journal Article. Rheology of …

We investigate the rheological behavior of multi-phase aggregates at high pressure and high temperature. Using synchrotron X-ray radiation as the probing tool, we are able to quantify the stress state of individual phases within the aggregates. This method provides fundamental information in interpreting the behavior of two phase/multi-phase ...

P22 tailspike protein was reduced from 41% to 18% by pressure treatment of a 100 ptg/ml solution (28). However, pressure has not been used as a tool to obtain native protein from insoluble aggregates at relatively high protein concentrations, with high yields, nor from covalently crosslinked aggregates or inclusion bodies.

Dynamics of Asphaltene Aggregates under High-Pressure CO2 Revealed by Pulsed-Field Gradient NMR. Evgeny V. Morozov*, Sergey N. Trukhan., Ivan V. …

High-density aggregates are used to produce concrete that has higher than normal density, usually for radiation shielding or an application where high-density concrete is …

With the increased concentration and high pressure during the treatments the HPβlg RLC aggregates exhibited branched and densely packed structures, giving cold-set gels without any assistance from gelators in the reconstituting dispersions. ... Under high pressure, the α-helix and concentration factors play a crucial role in stabilizing the ...

High-temperature deformation of enstatite aggregates. M. Bystricky, J. Lawlis, S. Mackwell, F. Heidelbach, P. Raterron. First …

The effect of pressure, temperature and composition on the development of crystal preferred orientations (CPO) and seismic properties of olivine-orthopyroxene aggregates were investigated using samples containing olivine and 12.5, 25 and 50 vol.% of orthopyroxene.The samples were deformed in simple-shear at a constant strain-rate of …

1. Introduction. Plant proteins are a key solution to feed a growing global population due to their long history of cultivation and crop use, lower production cost, environmental sustainability, and easy access in many parts of the world (Sim, Srv, Chiang, & Henry, 2021).Among plant proteins, there has been strong interest in the use of pea …

High pressure processes have been used in the food industry for over 50 years and large scale (300 L) systems are commercially available, enabling production of proteins on the kilogram scale. This review summarizes the utility of high pressure refolding to remove and refold protein aggregates, enhance therapeutic proteins, and facilitate ...

With the increased concentration and high pressure during the treatments the HPβlg RLC aggregates exhibited branched and densely packed structures, giving cold-set gels without any assistance from gelators in the reconstituting dispersions. ... Weak gels were formed by those RLC aggregates of HPβlg at high concentrations in the …

Request PDF | Dynamics of Asphaltene Aggregates under High-Pressure CO2 Revealed by Pulsed-Field Gradient NMR | The work demonstrates the results of the first experimental PFG NMR study in situ of ...

Abstract. We present a new experimental technique for circumventing the quenching problems that have plagued high-pressure peridotite melting studies. A thin layer of ~50 μm diamonds is placed above a layer of peridotite powder. Partial melt extracted from the peridotite layer collects in the pore spaces between the diamonds and …

Quinoa protein isolates treated with pH 12 and high-pressure homogenization increased the solubility from 7.85% to 78.97%, creating quinoa protein isolate nanoaggregates with an average size around 54 nm. The quinoa isolate aggregates were used to produce oil-in-water nanoemulsions, which demonstrated the good stability …

The utility of high pressure refolding to remove and refold protein aggregates, enhance therapeutic proteins, and facilitate manufacturing improvements at industrial scales is summarized. Non-denaturing pressures of around 2000 bar are effective for eliminating and refolding protein aggregates and may be applicable in various phases of protein …

High-pressure homogenization (HPH) is a technique that impacts the aggregation of globular proteins. In this study, the effect of HPH (at a pressure of 30/50 MPa for three cycles) was investigated on the aggregation states and functional properties of insoluble commercial pea protein isolates (CPPI) …

Characterization of protein aggregates in cream and skimmed human milk after heat and high-pressure pasteurization treatments. Author links open overlay ... ⍺-La with similar intensities between both non-reducing (Fig. 5 A1) and reducing (Fig. 5 A2) conditions, except that high molecular weight aggregates (above 250 kDa and in the …

Furthermore, in situ high pressure UV spectroscopic studies show that the local environment of Trp residues in rhGH, which is perturbed in aggregates, becomes native-like at high pressures, at a rate greater than the rate of aggregate dissolution. Thus, under high hydrostatic pressure, proteins can be both disaggregated and refolded.

Quinoa protein isolates treated with pH 12 and high-pressure homogenization increased the solubility from 7.85% to 78.97%, creating quinoa protein isolate nanoaggregates with an average size around 54 nm. The quinoa isolate aggregates were used to produce oil-in-water nanoemulsions, which demonstrated the good stability …

DOI: 10.1016/j.tecto.2021.229072 Corpus ID: 240529048; Rheology of dry K-feldspar aggregates at high temperature and high pressure: An experimental study @article{Chen2021RheologyOD, title={Rheology of dry K-feldspar aggregates at high temperature and high pressure: An experimental study}, author={Jing-Jing Chen and …

Higher pressure (400–600 MPa) caused small particles to aggregate and form larger aggregates. Additionally, HPP treatment regulates aggregation behavior mainly by affecting the higher-order structure (tertiary and quaternary structures) of MRJPs, rather than by altering its secondary structure.

Abstract. High hydrostatic pressure (HHP) modulates protein-protein and protein-solvent interactions through volume changes and thereby affects the equilibrium of protein conformational species between native and denatured forms as well as monomeric, oligomeric, and aggregated forms without the addition of chemicals or use of high …

Abstract. High-pressure homogenization (HPH) is a technique that impacts the aggregation of globular proteins. In this study, the effect of HPH (at a …

Polycrystalline samples of enstatite and olivine with different volumetric ratios were deformed in compression at high temperature. All two-phase aggregates have strengths in dislocation creep that lie between the uniform stress and uniform strain rate bounds. ... Creep Data for Enstatite-Olivine Aggregates at a Confining Pressure P c of …

The work demonstrates the results of the first experimental PFG NMR study in situ of the complex phase behavior of asphaltenes in the presence of high-pressure CO2. To perform the experiments, a series of sealed, thick-walled quartz capillaries were prepared with a mixture of CO2 and asphaltenes dissolved either in chloroform or …

[1] Sintered polycrystalline "rocks" of two-phase aggregate CaGeO 3 perovskite (GePv) + MgO and single-phase GePv were deformed at pressure, temperature, and strain rates of 4–10 GPa, 600–1200 K, and ∼1–3 × 10 −5 s −1, respectively, with maximum bulk strains up to ∼20%.The as-synthesized two-phase aggregate, produced …

High pressure homogenization at 15 and 30 kpsi caused the dissociation of the large protein aggregates (>1 μm) into supramolecular aggregates and 11S, which may unmask the hydrophobic regions buried inside the …

The high homogenization pressure and the mechanical effects generated by this technology (cavitation, shear, and shocks) cause the disruption of protein aggregates, impacting the protein secondary ...

@article{osti_929966, title = {High Pressure Deformation in Two-Phase Aggregates}, author = {Li, L and Addad, A and Weidner, D and Long, H and Chen, J}, abstractNote = {We investigate the rheological behavior of multi-phase aggregates at high pressure and high temperature. Using synchrotron X-ray radiation as the probing tool, …