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Sunday, August 9, 2020 | History

4 edition of Convective flow effects on protein crystal growth found in the catalog.

Convective flow effects on protein crystal growth

Convective flow effects on protein crystal growth

third semi-annual progress report, NASA grant NAG8-950, period of performance 1/31/94 through 8/1/94

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  • 33 Currently reading

Published by Center for Microgravity and Materials Research, University of Alabama in Huntsville, National Aeronautics and Space Administration, National Technical Information Service, distributor in Huntsville, Ala, [Washington, D.C, Springfield, Va .
Written in English

    Subjects:
  • Convection-diffusion equation,
  • Convective flow,
  • Crystal structure,
  • Crystallization,
  • Diffusion,
  • Diffusion theory,
  • Lysozyme,
  • Molecular biology,
  • Nucleation,
  • Protein crystal growth,
  • Protein synthesis,
  • Supersaturation

  • Edition Notes

    Statementprincipal investigator, Franz Rosenberger ; co-investigator, Lisa A. Monaco.
    Series[NASA contractor report] -- NASA CR-196790.
    ContributionsMonaco, Lisa A., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17031108M
    OCLC/WorldCa34766803

    Riahi, D. N., "Effects of a vertical magnetic field on chimney convection in a mushy layer", Journal of Crystal Growth , () Riahi, D. N., "On the effects of boundary corrugations on convective flow", Journal of Theoretical and Applied Mechanics (Sofia, Bulgaria) 29, (). Co-author of the book entitled Bhatta D, Numerical investigation of the effects of two dimensional convective flow parameters on cylindrical annulus and application to protein crystal growth, International Journal of Applied Mathematics and Statistics, 14(J09), (),

    P.G. Vekilov and F. Rosenberger, Protein crystal growth under forced solution flow: experimental setup and general response of lysozyme. J. Crystal Growth () P.G. Vekilov and F. Rosenberger, Increased stability in crystal growth kinetics in response to bulk transport enhancement. Phys. Rev. Lett. 80 () File Size: 38KB. Heat Source and Radiation Effects on an Unsteady MHD Free Convective Flow past a Heated Vertical Plate in a Porous Medium K. Anitha1 P.V. Janardhana Reddy2 aramana 1Department of Mathematics, Sri Venkateswara University,Tirupathi , India. 2Department of Mathematics MGIT, Gandipet, Hyderabad, , Size: KB.

    NASA research in cell science and protein crystal growth is funded through a collection of 4-year grants. As of , NASA's biotechnology research grants totaled approximately $19 million dollars per year. such as shear stress and convective flow, that affect the culture environments. The National Academies Press. doi: / The effect of cold temperature on crystal growth: growth is almost non-existent after 8 hrs. Conclusions. Temperature has a clear effect on the growth of salt crystals, both in height and area fast growth reached with the increase in temperature clearly shows the repeating patterns of the crystal.


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Convective flow effects on protein crystal growth Download PDF EPUB FB2

Crystal Growth. We showed that the assumption of fixed crystal size is reasonable for the description of the time-dependent concentration distributions around a growing crystal.

Under both purely diffusive and convective-diffusive transport conditions, we obtained significant. Get this from a library. Convective flow effects on protein crystal growth: second semi-annual progress report, NASA grant NAG, period of performance 8/1/93 through 1/31/ [F Rosenberger; Lisa A Monaco; United States.

National Aeronautics and Space Administration.]. Get this from a library. Convective flow effects on protein crystal growth: fifth semi-annual progress report, NASA grant NAG, period of performance 1/31/95 through 8/1/ [F Rosenberger; United States. National Aeronautics and Space Administration.].

Handbook of Crystal Growth, 2nd Edition Volume IIA (Basic Technologies) presents basic growth technologies and modern crystal cutting methods. Particularly, the methodical fundamentals and development of technology in the field of bulk crystallization.

Perez-Raya, S.G. Kandlikar, in Advances in Heat Transfer, Stefan Problems With Sup-V/Sat-L and Sup-V/Sat-L-ρ. Sup-V/Sat-L and Sup-V/Sat-L-ρ have the same theoretical solution since heat transfer occurs only in the vapor phase in Convective flow effects on protein crystal growth book ore, there are no convective effects on the liquid side since there is no heat transfer in this phase.

Nanev and Penkova et al. () investigated the effects of buoyancy-driven convection on nucleation and growth of protein crystals. Vekilov et al. (; studied the influences of convective.

For flow during protein crystal growth, very few investigations have been done so far to study the Marangoni effect [28]. In addition to the recent work [4], Resenberger [29] have made some qualitative points about the Marangoni effects on flow during protein crystal growth.

Monti and Savino [] investigated numerically some modeling. For understanding of the influence of convective flow on crystal growth, space high temperature in situ observation instrument (SHITISOI) is dedicated to visualize and record the whole growth process of oxide crystals in high temperature up to 1,°C.

Model experiments using transparent liquids such as KNbO3 and a mixture of Li2B4O7+KNbO3 were chosen to investigate effects on Cited by: 2.

For flow during protein crystal growth, very few investigations have been done so far to study the Marangoni effect [28]. In addition to the recent work [4], Resenberger [29] have made some.

THE JOURNAL OF BIOLOGICAL CHEMISTRY Vol. No. 14, Issue of pp. Printed in d.S.A. Protein Crystal Growth GROWTH KINETICS FOR TETRAGONAL LYSOZYME CRYSTALS* (Received for publication, September 3, ) Marc L. PuseyS, Robert S. Snyder, and Robert Naumann From the Space Science Laboratory, ESNational Aeronautics and Space.

Abstract. Convective phenomena in the melt strongly influence crystal growth in a centrifuge. Large scale convective flows are induced, because hydrostatic equilibrium cannot be established in the melt, if the temperature gradient is not parallel to the “total” (gravitational plus centrifugal) by: 6.

Convective effects in crystal-growth melts arise from a variety of mechanisms. Temperature gradients both in the direction of gravity and normal to it give rise to convection due to buoyancy effects.

Rotation of the crucible and/or crystal causes a forced convection which may augment or. Hence, protein crystallization under flow conditions has attracted attention with the capability to improve the convective protein transport, reducing the crystallization time and improving yield.

In this study, we investigate the effects of flow, specifically intermittent oscillatory flow on protein (insulin) by: growing crystal, while in microgravity, these buoyancy-driven convective flows are NPJSC Macromolecular Crystals-ISS-mini-bookindd 8 10/6/15 PM 9.

Topics include effects of fluid flow on crystal structure, importance of macrosegregation defects in castings, value of convection in crystal growth, and occurrence of thermal oscillations in fluids. The selection is a dependable reference for readers interested in the role of convection and fluid flow in solidification and crystal growth.

Convection is the heat transfer due to the bulk movement of molecules within fluids such as gases and liquids, including molten rock ().Convection includes sub-mechanisms of advection (directional bulk-flow transfer of heat), and diffusion (non-directional transfer of.

The crystal growth cell used for experiments in which the NMR magnet is applied, is based on the capillary batch method of crystal growth in agarose gels, as depicted in Fig based on the same setup previously published in [,].

Chemical and physical gels provide an environment that differs in its viscosity and thus restricts mass Author: Omar Velásquez-González, Camila Campos-Escamilla, Andrea Flores-Ibarra, Nuria Esturau-Escofet, Rober.

The Japan Aerospace Exploration Agency (JAXA) started a high-quality protein crystal growth project, now called JAXA PCG, on the International Space Station (ISS) in Using the counter-diffusion technique, 14 sessions of experiments have been performed as of with proteins crystallized in total.

Over the course of these experiments, a user-friendly interface framework. The first requirement for structure determination by X-ray crystallo­graphy is a well ordered single protein crystal. The nucleation and growth of protein crystals is dependent on several different factors such as the composition of the reservoir solution, Cited by: 4.

There is a popular belief that diffusion–controlled transport can improve the quality of protein crystals [].Sedimentation movement and convective flow due to gravity are negligible under microgravity conditions [4,5].Therefore, Space is thought to be a quiescent environment for the production of large enough size and high-quality protein by: 1.

Atul Srivastava, K. Muralidhar, P.K. Panigrahi and K. Tsukamoto, Schlieren investigation of the effect of controlled crystal rotation on convective field around a KDP crystal growing from its aqueous solution, presented at Japan-Netherlands Symposium on Crystal Growth -Theory and in-situ Measurements- Sapporo, Japan, OctoberAn analysis is presented to study the MHD free convection with thermal radiation and mass transfer of polar fluid through a porous medium occupying a semi-infinite region of the space bounded by an infinite vertical porous plate with constant suction velocity in the presence of chemical reaction, internal heat source, viscous and Darcy's dissipation.

The highly nonlinear coupled differential Cited by: 8.This paper investigates the interaction between the convective flow induced by the straining flow and the interface morphology of a particle growing in the convective undercooled melt.

The resulting approximate solution of the particle shape shows that the convection makes the growing particle enhance its growth velocity and protrude near the surface where the flow is incoming, but decreases Cited by: 1.