Results 31 to 40 of about 2,991,834 (285)

The removal of sulphate ions from model solutions and their influence on ion exchange resins

Economics and Environment, 2020
There is a growing tendency for industries around the globe to diminish the contents of pollutants in industrial wastewaters to an acceptable level. Conventional methods are unfavourable and economically unacceptable, especially for large volumes of ...
Stefan Demcak, Magdalena Balintova, Marian Holub   +2 more
doaj  

Structural and biochemical analysis of a B12 superbinder

FEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices, Jacob J. Whittaker, Dirk J. Slotboom, Albert Guskov   +3 more
wiley   +1 more source

Recovery of gold from thiosulfate solutions and pulps with anion-exchange resins [PDF]

, 2002
With growing environmental and occupational safety concerns over the use of cyanide in gold processing, more acceptable alternatives are receiving increased interest. The most promising of the possible alternatives is thiosulfate.
O'Malley, Glen Peter
core  

EXPERIMENTAL STUDY OF THERMOCHEMICAL TREATMENT OF SPENT ION- EXCHANGE RESINS [PDF]

, 2020
A thermochemical treatment technique was investigated for application to the volume reduction of spent ion-exchange resins of nuclear power plants. The thermochemical treatment technique uses powder metal fuel to incinerate the resins.
O K Karlina, " M I Ojovan, V L Klimov, V I Panteleev, Sia " Radon, N V Ilina, S A Dmitriev, K N Semenov, M Kamoshida, G U Pavlova, M Kikuchi, T Nishi   +11 more
core  

Design of Ion-Exchange Resins Through EDTA and DTPA Modified Ligands

E3S Web of Conferences, 2014
Extraction of specific targeted species (rare earth, heavy metals, transition metals, radionuclides) from industrial and nuclear effluents is an important issue in the recycling and/or decontamination process. Selective complexation and ion exchange of a
doaj   +1 more source

Structural studies and functional engineering of NanX: an anhydro‐sialic acid transporter from Escherichia coli

FEBS Open Bio, EarlyView.
Biophysical characterisation shows that NanX, a membrane transport protein from the major facilitator superfamily (MFS), forms both monomers and dimers after purification. AlphaFold modelling and substrate docking provide information on residues likely involved in substrate recognition for NanX and another MFS member, NanT.
Michael C. Newton‐Vesty, Kelsi R. Hall, Zachary D. Tillett, Liam S. Turk, James S. Davies, Michael J. Currie, Hamish G. Brown, Sepideh Valimehr, Peter D. Mace, Andrew E. Whitten, Santosh Panjikar, Eric Hanssen, Rachel A. North, Renwick C.J. Dobson   +13 more
wiley   +1 more source

Ion-Exchange Resins as Controlled Drug Delivery Carriers

, 2010
Ion exchange resins (IER) are insoluble polymers that contain acidic or basic functional groups and have the ability to exchange counter-ions within aqueous solutions surrounding them.
S. A. Sunil, K. V. Ramana Murthy, M. U. Uhumwangho, N. S. Rao, M. V. Srikanth   +4 more
core   +1 more source

Synthesis and Properties of Anion Exchangers Derived from Chloromethyl Styrene Codivinylbenzene and Their Use in Water Treatment

International Journal of Polymer Science, 2010
Amination of vinylbenzyl chloride-divinylbenzene (VBC-DVB) copolymers is an effective method for preparation of ion-exchange resins. Conventionally, the starting polymer is produced by chloromethylation of a styrene-divinylbenzene copolymer that utilizes
Hesham A. Ezzeldin, Allen Apblett, Gary L. Foutch   +2 more
doaj   +1 more source

Purification and preparation of Marchantia polymorpha Auxin Response Factor 2 for phase separation studies

FEBS Open Bio, EarlyView.
We describe detailed protocols for the purification and preparation of Marchantia polymorpha Auxin Response Factor 2 (MpARF2). This protein is fused to an MBP solubility tag and an mNG fluorescent tag and is purified from Escherichia coli. The presented procedures make it possible to study MpARF2 assemblies, which could arise from phase separation ...
Bas Janssen, Robin Romein, Willy A. M. van den Berg, Simon Lindhoud, Jan Willem Borst, Carlo P. M. van Mierlo   +5 more
wiley   +1 more source

Analysis of Cation Resins for WWER-1000 Reactor Coolant Purification Filters

Energy Engineering and Control Systems
The paper considers filtration equipment used for coolant purification in WWER-1000 reactors, which plays an important role in providing an optimal water-chemical regime, reducing radioactive contamination of equipment and extending the service life of ...
Halyna Matiko, Nazar Zosymchuk
doaj   +1 more source