... oxidative and photochemical ions in hydrocarbons; ion-exchange resins in hydrocarbons; solubilization of cholesterol; ...
Laboratories • Laboratory of ion exchange resins and membranes; • Laboratory of Chemistry of Synthetic and Natural Medicinal ... Directions • Synthesis of polymers, ion-exchange, redox, selective sorbents and membranes, structural materials based on ... France Student exchange programs with: University Campus Suffolk, UK University of Northampton, UK Soongsil University, South ...
... is the tradename of a range of ion-exchange resins. "Amberlite and Amberlite FP Ion Exchange Resins". Rohm and Haas. ...
Strongly acidic ion-exchange resin is then added. The resin is filtered and the opiates are recovered with the addition of ... from Gdańsk discovered a simple way of making it by extracting opiate alkaloids from poppy straw by using ion-exchange resin, ...
It can be used for ion exchange resins. It can form hydrogels. 2-Acrylamido-2-methylpropane sulfonic acid (AMPS) v t e. ...
It can be used for ion exchange resins. It can form hydrogels. PolyMAPTAC, or poly[(3-(methacryloylamino)-propyl] ...
Los Alamos Scientific Laboratory, et al.. Ion-exchange Resins, a Bibliography of Unclassified References. Los Alamos, N.M.: Los ... Her works include Behavior of carrier-free tracers, Infrared absorption of inorganic substances and Ion-exchange resins, a ... Later in her career, she committed to National Urban League's Black Executive Exchange Program to advise young African American ...
This can be accomplished economically with ion-exchange resins. Beta decay Induced radioactivity List of particles Neutron ...
... is removed from the ion-exchange resin in solution. Electrolysis then gives gallium metal. For semiconductor use, it is ... The most recent is the use of ion-exchange resin. Achievable extraction efficiencies critically depend on the original ... Gallium is also used as a liquid metal ion source for a focused ion beam. For example, a focused gallium-ion beam was used to ... When gallium ions are mistakenly taken up in place of iron(III) by bacteria such as Pseudomonas, the ions interfere with ...
... as in washing of loaded ion-exchange resins to remove captured ions. ... For instance, a mixture of amino acids may be separated by ion-exchange chromatography. Under a particular set of conditions, ...
... s are polymeric compounds that serve as ion-exchange resins. Bile acid sequestrants exchange anions such ... The bile acid sequestrants are a group of resins used to bind certain components of bile in the gastrointestinal tract. They ... The bile-acid-binding resins can raise triglycerides modestly (about 5%) and cannot be used if the triglycerides are elevated. ... Three drugs are members of this class; all are synthetic polymeric resins: Cholestyramine (Generic and various propriety names ...
Separation technologies: synthetic membranes, fuel cell membranes, filtration, ion-exchange resins. Money: polymer banknotes ... The sorting of polymer waste for recycling purposes may be facilitated by the use of the resin identification codes developed ... Chlorine-induced cracking of acetal resin plumbing joints and polybutylene pipes has caused many serious floods in domestic ... phenol formaldehyde resin (or Bakelite), neoprene, nylon, polyacrylonitrile, PVB, silicone, and many more. More than 330 ...
Ion exchange processes in the resins result in separation of uranium. Uranium from resins is washed with a solution of ammonium ... Thus actinium is either synthesized in nuclear reactions from isotopes of radium or separated using ion-exchange procedures. ... The Th4+ ion is relatively large, and depending on the coordination number can have a radius between 0.95 and 1.14 Å. As a ... Ions of neptunium are prone to hydrolysis and formation of coordination compounds. Plutonium also exhibits valence states ...
Graudons, Julie A.; Dyer, F. F. (1994). "Neutron activation analysis of LWR ion exchange mixed-bed resins for129I". Journal of ...
When the resin reaches the large intestine the hydrogen ions are exchanged for free potassium ions; the resin is then ... They are widely used as ion-exchange resins to remove ions such as potassium, calcium, and sodium from solutions in technical ... Sterns RH, Rojas M, Bernstein P, Chennupati S (May 2010). "Ion-exchange resins for the treatment of hyperkalemia: are they safe ... of water softening process involving replacement of calcium ions in water with sodium ions donated by a cation exchange resin. ...
Regeneration of ion exchangers[edit]. High-quality hydrochloric acid is used in the regeneration of ion exchange resins. Cation ... exchange is widely used to remove ions such as Na+ and Ca2+ from aqueous solutions, producing demineralized water. The acid is ... Hydrochloric acid is the salt of hydronium ion, H3O+ and chloride. It is usually prepared by treating HCl with water.[29][30] ... Chloride (Cl−) and hydrogen (H+) ions are secreted separately in the stomach fundus region at the top of the stomach by ...
Modern alternatives to bone char include activated carbon and ion-exchange resins. Bone char is also used as a black pigment ... The tricalcium phosphate in bone char can be used to remove fluoride and metal ions from water, making it useful for the ... Other highly toxic metal ions, such as those of arsenic and lead may also be removed. The practical example of the use of bone ... most importantly sulfates and the ions of magnesium and calcium. The removal of these is beneficial, as it reduces the level of ...
An ion exchange resin then can separate the product from other contaminants. Fructose-asparagine is found naturally in some ...
For industrial purposes, it can be immobilized on macroporous ion-exchange resins. Lipases like Lipozyme and Novozyme (reg. ...
The uranium would be stripped from the leachate using ion exchange resin. The loaded resin beads would be trucked to an off- ...
Specialists tried to use ion-exchange resin as the absorber in 1967. The authors proposed to regenerate the sorbent by washing ... A mixture of copper ions (+2), zinc carbonate, and TEDA can detoxify hydrogen cyanide. By saturating activated carbon with ... US6375725 Shigematsu Y., Kurano R. and Shimada S. (2002) Gas mask having detector for detecting timing to exchange absorption ... 1967). "Иониты в качестве поглотителей для противогазов // The ion exchangers as a sorbent for respirator cartridges". ...
The uranium is recovered at the surface onto resin beads by ion exchange. The resin beads are shipped to Cameco's Smith Ranch ... The uranium will be absorbed onto ion-exchange resin beads at the mine; the beads will be shipped to existing facilities of ...
Chromatographic techniques utilise ion exchange, gel filtration and affinity resins to separate proteins. Since the 1980s it ... Batch adsorption, e.g. onto ion exchange media, is only useful when dealing with smaller samples of plasma, typically 200 mL or ... ion exchange on DEAE Sepharose is run to bind the albumin to the column, Albumin is eluted with a sodium acetate buffer, and ... Sepharose fast flow ion exchange and sepharose fast flow chromatography procedures are run, and 3) gel filtration is run. The ...
When the resin reaches the large intestine the hydrogen ions are exchanged for free potassium ions; the resin is then ... MedlinePlus Encyclopedia: High potassium level Sterns RH, Rojas M, Bernstein P, Chennupati S (May 2010). "Ion-exchange resins ... Polystyrene sulfonates release sodium or calcium ions in the stomach in exchange for hydrogen ions. ... The effect is a reduction of potassium levels in the body, at a capacity of 1 mEq of potassium exchanged per 1 g of resin. ...
He is regarded as the founder of China's industry for ion exchange resins. In 1983, he became the founding director of the ... A variety of polymeric ion exchange resins, including strongly and weakly cationic and anionic exchangers, were developed in ... the research laboratories at Nankai and he also set up a factory administered by the university to produce a series of ion- ...
May 2010). "Ion-exchange resins for the treatment of hyperkalemia: are they safe and effective?". J. Am. Soc. Nephrol. 21 (5): ... Kamel KS, Schreiber M (2012). "Asking the question again: Are cation exchange resins effective for the treatment of ... taken by mouth and works by binding free potassium ions in the gastrointestinal tract and releasing calcium ions for exchange, ... The arginine ions can enter cells and displace potassium out of the cells, causing hyperkalemia. Calcineurin inhibitors such as ...
Ion-exchange resin Polypyridinium salts de Gennes, Pierre-Gilles (1979). Scaling Concepts in Polymer Physics. Cornell ... Synthetic 3-D macroporous hydrogels shows the excellent ability to adsorb heavy-metal ions in a wide range of pH from extremely ... 2006). "Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations ... Since the polyelectrolyte dissociation releases counter-ions, this necessarily affects the solution's ionic strength, and ...
The most recent is the use of ion-exchange resin. Achievable extraction efficiencies critically depend on the original ...
Reservoirs in topical drug delivery; particularly ionic drugs, delivered by iontophoresis (see ion-exchange resin). Materials ... When combined with ions allows for heat dissipation for electronic devices and batteries and converting the heat exchange to an ... ions, antigens, and more. There are many ways to fine-tune the mechanical properties of hydrogels. One of the most simple ...
The result is competition between the amine and the alkyne group for this ligand exchange, which is why the amine is generally ... There are also examples of the coupling partners both being attached to allyl resins, with the Pd(0) catalyst effecting ... "A Practical and Efficient Synthesis of the Selective Neuronal Acetylcholine-Gated Ion Channel Agonist (S)-(−)-5-Ethynyl-3-(1- ... this new intermediate can then facilitate deprotonation of the terminal alkyne proton and subsequent ligand exchange with the ...
... ion-exchanger (IE) was included in system, but it was removed when IE resin was found to be a significant radon source. The RO ... Because of this, the data structures are based on ZEBRA bank system developed in CERN as well as the ZEBRA exchange system.[7] ... A cartridge polisher (CP) eliminates heavy ions which also reduce water transparency and include radioactive species. The CP ...
Some activators may also contain metal ions, capable of exchange reaction with the underlying metal; such fluxes aid soldering ... Fluxes can be also prepared from synthetic resins, often based on esters of polyols and fatty acids. Such resins have improved ... The terms resin flux and rosin flux are ambiguous and somewhat interchangeable, with different vendors using different ... Common fluxes are ammonium chloride or resin acids (contained in rosin) for soldering copper and tin; hydrochloric acid and ...
... the Asahi Chemical Company in Japan that applies similar chemistry but effects separation on a proprietary resin ion-exchange ... the principle of ion cyclotron resonance is used to selectively energize the 235U isotope in a plasma containing a mix of ions ... The positively charged 235U ions are then attracted to a negatively charged plate and collected. ... An ion-exchange process was developed by ... and then ionized to positively charged ions. The cations are ...
... is separated from other rare earths either by ion exchange or by reduction with sodium amalgam. In the latter method ... The solution is then applied to a resin, which different lanthanides bind in different matters. This is then dissolved using ... Ion Qubits for Quantum ComputingEdit. The charged ion 171Yb+ is used in trapped-ion qubits in quantum computing.[49] Entangling ... Ytterbium is normally difficult to separate from other rare earths, but ion-exchange and solvent extraction techniques ...
It is a strong ion exchange resin, which means it can exchange its chloride anions with anionic bile acids in the ... The functional group of the anion exchange resin is a quaternary ammonium group attached to an inert styrene-divinylbenzene ... gastrointestinal tract and bind them strongly in the resin matrix. ...
Gummy, sticky resin deposits result from oxidative degradation of gasoline during long-term storage. These harmful deposits ... and m-xylene using ion mobility spectrometers with a radioactive and UV ionization source". Analytical Chemistry. 75 (6): 1483- ... with additional oil equal to that produced by now Soviet-occupied Polish oil fields at Drohobych and Boryslav in exchange for ...
Modern alternatives to bone char include activated carbon and ion-exchange resins. ... The tricalcium phosphate in bone char can be used to remove fluoride[3] and metal ions from water, making it useful for the ... Other highly toxic metal ions, such as those of arsenic[7] and lead[8] may also be removed. The practical example of the use of ... "Optimised correlations for the fixed-bed adsorption of metal ions on bone char". Chemical Engineering Science. 55 (23): 5819- ...
... hydrophobic interaction chromatography for fatty acids or for example ion exchange chromatography of proteins or antibodies. ... Often the preparative resins have a low efficiency due to strong axial dispersion and slow mass transfer. Then a purification ... example for the MCSGP prototype is the separation of three MAb variants using a preparative weak cation-exchange resin. ... regeneration only once per operation and has a better resin utilization. However, major drawbacks of SMB are the inability of ...
... because it exhibits a low solubility for rare-earth ions. This can lead to quenching effects due to clustering of dopant ions. ... In practical fibers, the cladding is usually coated with a tough resin coating and an additional buffer layer, which may be ... and conductors of ions or electrons. Glass containing chalcogenides can be used to make fibers for far infrared transmission.[ ... Doping is also possible with laser-active ions (for example, rare-earth-doped fibers) in order to obtain active fibers to be ...
RCC is a laminated composite material made from graphite rayon cloth and impregnated with a phenolic resin. After curing at ... Alternatively, ions support electric current in ionic conductors. Many materials also exhibit superconductivity at low ... For example, platinum metals may provide improvements as automotive fuel catalysts, as well as proton exchange membrane (PEM) ... Plastics are the final product, created after one or more polymers or additives have been added to a resin during processing, ...
Positively charged molecules bind to cation exchange resins while negatively charged molecules bind to anion exchange resins.[ ... Ion chromatography (or ion-exchange chromatography) separates ions and polar molecules based on their affinity to the ion ... Membrane exchange chromatography[edit]. A type of ion exchange chromatography, membrane exchange[34][35] is a relatively new ... Ion-exchange chromatography retains analyte molecules on the column based on coulombic (ionic) interactions. The ion exchange ...
... and resins, as a cleansing agent, grain fumigant, in fire extinguishers, and in the rubber industry.[13][30] CDCl3 is a common ... One possible mechanism of action for chloroform is that it increases movement of potassium ions through certain types of ... complex switching dynamics of chloroform between acetone and dimethylsulfoxide-two-dimensional IR chemical exchange ...
Commercial and residential water-softening units use ion-exchange resins to remove the offending ions that cause the hardness. ... each ion is surrounded by six ions of the opposite charge as expected on electrostatic grounds. The surrounding ions are ... In the language of close-packing, the larger chloride ions are arranged in a cubic array whereas the smaller sodium ions fill ... One of its main roles is to provide the positive ion charge to promote the absorption of negatively charged ions of dyes.[9] ...
Partikel kasein dalam misel dihubungkan oleh ion kalsium dan interaksi hidrofobik. Mana-mana beberapa model molekul boleh ... Walaupun peranannya sebagai bahan pelekat utama telah banyak digantikan dengan resin sintetik, gam kasein masih digunakan dalam ... "Human-milk proteins: analysis of casein and casein subunits by anion-exchange chromatography, gel electrophoresis, and ...
When dissolved in water it separates into Na+ and Cl− ions, and the solubility is 359 grams per litre.[24] From cold solutions ... These include its use as a mordant in textile dying, to regenerate resins in water softening, for the tanning of hides, the ... Celtic communities grew rich trading salt and salted meat to Ancient Greece and Ancient Rome in exchange for wine and other ... ions, per kilogram (2.2 lbs) of water.[77] The world's océans are a virtually inexhaustible source of salt, and this abundance ...
Ion exchange:[11] Ion exchange systems use ion exchange resin- or zeolite-packed columns to replace unwanted ions. The most ... ions. Ion exchange resins are also used to remove toxic ions such as nitrite, lead, mercury, arsenic and many others. ... Ion exchange membranes allow only positive ions to migrate from the treated water toward the negative electrode and only ... High purity deionized water is produced continuously, similar to ion exchange treatment. Complete removal of ions from water is ...
Most of the off-flavor agents are then removed with ion-exchange resins, such as sulfonated polystyrene-divinylbenzene ...
The resulting cross-linked polymer is mainly used for the production of ion exchange resin.[3] ...
If ion-exchange chromatography is used, the mixture of lanthanides is loaded into one column of cation-exchange resin and Cu2+ ... Praseodymium may then be separated from the other lanthanides via ion-exchange chromatography, or by using a solvent such as ... The Pr3+ ion is similar in size to the early lanthanides of the cerium group (those from lanthanum up to samarium and europium ... Silicate crystals doped with praseodymium ions have been used to slow a light pulse down to a few hundred meters per second.[38 ...
Preparation of low capacity anion-exchange resins for ion chromatography on a methacrylic copolymer matrix (kaasautor). // J. ...
... making them more available to the plant by way of ion exchange.[27] Humus allows soil organisms to feed and reproduce, and is ... and resins remain relatively unchanged for longer periods of time. Lignin, which is quickly transformed by white-rot fungi,[13] ... Humus is a colloidal substance and increases the cation exchange capacity of soil, hence its ability to store nutrients by ... Szalay, A (1964). "Cation exchange properties of humic acids and their importance in the geochemical enrichment of UO2++ and ...
... cations such as Ca2+ are preferentially adsorbed onto the peat in exchange for H+ ions. Water passing through peat declines in ... The economic value of a tropical peatland used to be derived from raw materials, such as wood, bark, resin, and latex; the ... Peat has very high cation-exchange capacity due to its high organic matter content: ...
... an ion-exchange resin, is effective in binding both toxin A and B, slowing bowel motility, and helping prevent dehydration.[72] ...
A dealkalizer contains strong base anion exchange resin that exchanges chloride (the Cl- ion of the NaCl) for carbonate (CO−. 3 ... In the case of a water softener, the cation exchange resin is exchanging sodium (the Na+ ion of NaCl) for hardness minerals ... 4). As water passes through the anion resin the carbonate, bicarbonate and sulfate ions are exchanged for chloride ions. ... Like water softeners, dealkalizers contain ion exchange resins that are regenerated with a concentrated salt (brine) solution ...
In this process, rare-earth ions are sorbed onto suitable ion-exchange resin by exchange with hydrogen, ammonium or cupric ions ... Terbium was not isolated in pure form until the advent of ion exchange techniques.[13] ... The most efficient separation routine for terbium salt from the rare-earth salt solution is ion exchange. ... Terbium was not isolated in pure form until the advent of ion exchange techniques. ...
... and then demineralized using ion-exchange resins. The purified solution is then run over immobilized xylose isomerase, which ...
... rare-earth ions are adsorbed onto suitable ion-exchange resin by exchange with hydrogen, ammonium or cupric ions present in the ... The most efficient separation routine for holmium oxide from the rare-earths is ion exchange. In this process, ... resin. The rare earth ions are then selectively washed out by suitable complexing agent, such as ammonium citrate or ... and is related to internal transitions at the Ho3+ ions.[2] ...