3 edition of Research on ion transport across microbial membranes found in the catalog.
Research on ion transport across microbial membranes
Nord L. Gale
by U.S. Dept. of the Interior; for sale by the Supt. of Docs., U.S. Govt. Print. Off. in Washington
Written in English
|Statement||by Nord L. Gale and Bernard H. Goldner, TRW Systems group, TRW, Inc., Rodondo Beach, California, for Office of Saline Water.|
|Series||U.S. Office of Saline Water. Research and development progress report no. 323|
|Contributions||Goldner, Bernard H., joint author., TRW inc. TRW systems.|
|LC Classifications||TD478 .U5 no. 323|
|The Physical Object|
|Number of Pages||50|
|LC Control Number||68061379|
Jun 11, · Microbial electron transport and energy conservation – the foundation for optimizing bioelectrochemical systems. usually catalyzed by membrane-bound compounds that use the energy difference between donor and acceptor to establish an ion-gradient across the membrane, Cited by: Control of Ion Transport in Sulfonated Mesoporous Polymer Membranes. ADVERTISEMENT. suggesting that ions traverse across the membrane via the vehicular mechanism, through the mesoporous spaces filled with water. We further observed that the permeability of the vanadium oxide ion was dramatically suppressed by reducing the pore size below 4 Cited by: 2.
Sep 15, · Siderophore Chirality. Like ferrioxamine, 12 ferrichrome is a trihydroxamate siderophore, and its chiral scaffold makes the iron complex chiral at the metal center. This feature of the natural compound raised the question of how chirality at the metal center played a role in microbial recognition and egypharmed2018.com by: Nov 15, · Passive transport is the movement of molecules across biological membranes down concentration gradients. This type of transport does not require energy. Unimpaired ion transport is vital for our survival and health, and conditions such as cystic fibrosis highlight the need for research into these types of proteins.
The chloride channel/transporter family of proteins facilitates anion transport across biological membranes. There is extensive physiological and bioinformatic evidence that the channels and transporters are closely related. Each monomer of a homodimeric CLC transport protein contains a narrow selectivity filter. Investigating the ion binding properties inside the filter is crucial for Cited by: 5. These include those of the osmoenzymes, catalysts which couple a chemical reaction at the molecular level with the concurrent translocation of a chemical group or an ion across the membrane (CR48, ; CR8, ), and systems involved in vectorial biosynthesis, such as chitin synthase, which accept substrates from the cytosol and feed out.
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Additional Physical Format: Online version: Gale, Nord L. Research on ion transport across microbial membranes. Washington, U.S. Dept. of the Interior; for sale by. Additional Physical Format: Online version: Goldner, Bernard H.
Research on ion transport across microbial membranes. Washington, U.S. Dept. of the Interior; For Sale. Oct 22, · Ion Transport Across Membranes focuses on the process of ion transport across cell membranes, including ion permeability, biological membranes, and thermodynamics.
The selection first offers information on ion transport across biological membranes and electrical processes in nerve egypharmed2018.com Edition: 1. The study on transport of ions ﬂ owing across the membrane is essential for ide al mem- brane determination as ions other than the desirable may reduce the performance of MFC.
Solute transport Solute transport across the cytoplasmic membrane of bacteria occurs by two major mechanisms: (i) Secondary transport systems; transport by these systems is driven by electrochemical gradients and will lead to the translocation of solute in unmodified form; (u) Group translocation: solute is substrate for a specific enzyme system in the membrane; the enzyme reaction results in a chemical Cited by: Primary active transport, which is directly dependent on ATP, moves ions across a membrane and creates a difference in charge across that membrane.
Secondary active transport, created by primary active transport, is the transport of a solute in the direction of its electrochemical gradient and does not directly require ATP. Transport of such molecules and ions across all cellular membranes is mediated by transport proteins associated with the underlying bilayer.
Because different cell types require different mixtures of low-molecular-weight compounds, the plasma membrane of each cell type contains a specific set of transport proteins that allow only certain ions Cited by: 9. Channel-facilitated molecule and ion transport across polymer composite membranes a tentative perspective on the future research and development of highly efficient channel-facilitated molecule/ion transport across polymer composite membranes.
For reproduction of material from all other RSC journals and books. May 12, · Kinetic and Thermodynamic Effects of pH on Membrane Transport in Yeast Main Mechanisms of Ion Transport and Regulation of Ion Concentration in the Yeast Cytoplasm Coupling of Protons and Potassium Gradients in Yeast Characteristics of Ca2+ Transport in Yeast Regulation and Energization of K+ or Rb+ Transport in Yeast The Role of Polyphosphates in Sugar Transport across the Plasma Membrane Book Edition: 1.
Mode of transport for the uniport transport protein, GLUT1. Glucose diffusion across the membrane bilayer is facilitated by the GLUT1 carrier protein. Mechanism of transport for symport (top) and antiport (bottom) carrier proteins. Abstract: The transport of ions and molecules across lipid bilayer membranes connects cells and cellular compartments with their environment.
This biological process is central to a host of functions including signal transduction in neurons and the olfactory and Cited by: Active Transport of Sodium and Potassium: Primary active transport moves ions across a membrane, creating an electrochemical gradient (electrogenic transport).
transport of molecules across microbial membranes edited by j. broome-smith, s. baumberg, c. stirling egypharmed2018.com fifty-eighth symposium of the society for general microbiology held at the university of leeds september published for the society for general microbiology.
Sep 26, · A mechanism of ion transport across membranes is reported. Microbial transport of Fe 3+ generally delivers iron, a growth-limiting nutrient, to cells via highly specific siderophore-mediated transport egypharmed2018.com by: Ion transport (uphill transport) across the membrane is caused by the diffusion of the driving ions and the resultant potential difference to maintain the electric neutrality in the system.
The system does not use an electric current, so it is energy-saving compared to electrodialysis. For instance, Harnisch et al.
(a) did modelling of ion transfer across ion exchange membranes in MET. The ion fluxes associated with diffusion and migration terms were evaluated based on the 1-D form of Nernst-Planck equation, whereas the mass transfer via convection was egypharmed2018.com by: 2. The carrier in the membrane combines with the substance to be transported and in some way ferried through the membrane and released on the other side.
In case of enzymic reactions, there is a “saturation effect”. The rate of transport of the solute increases when the carrier, enzyme, is saturated. Furthermore, protons are consumed in the cathode reaction and, consequently, transport of cation species other than protons resulted in an increased pH in the cathode chamber and a decreased MFC performance.
Membrane cation transport, therefore, needs to be considered in the development of future MFC systems. By Bernard H. Goldner, United States. Office of Saline Water. and TRW Space Technology Laboratories. Na-dependent amino acid transporters play an essential role in the uphill transport of amino acids across the plasma membrane.
In this study, a novel transporter target was used for which few.Aug 02, · Membrane transport system-Passive and Active transport. Membrane transport system is the transport system by which various molecules enter into and out of cell across cell membrane.
Cells have various transport mechanism. Based on whether the molecules pass directly through lipid bilayer or via membrane channel, whether or not the molecules is altered as it passes through membrane .Counter-ion transport ability in terms of ion diffusion flux was determined and compared between pristine and biofouled IEMs in a customized Donnan dialysis setup .In the Donnan exchange, the concentration gradients across the studied membrane separating two solutions with different compositions are the driving force for counter-ion egypharmed2018.com: Moshe Herzberg, Soumya Pandit, Meagan S.
Mauter, Yoram Oren.