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Ion Exchange ResinsAnionsIon ExchangeChromatography, Ion ExchangeAnion Exchange ResinsMolecular WeightHydrogen-Ion ConcentrationCation Exchange ResinsKineticsIon ChannelsChromatography, GelAnion Transport ProteinsChloridesAmino AcidsAmino Acid SequenceElectrophoresis, Polyacrylamide GelMolecular Sequence DataSodiumDeuterium Exchange MeasurementPotassium IsotopesOrganic Anion TransportersPulmonary Gas ExchangeChromatography, AffinityIon TransportExchange Transfusion, Whole BloodChromatography, High Pressure LiquidSister Chromatid ExchangeIon Channel GatingSubstrate SpecificityCattleChromatographyOrganic Anion Transporters, Sodium-IndependentPotassiumCalciumBiological TransportCationsSulfatesVoltage-Dependent Anion ChannelsCarbohydratesChromatography, DEAE-CelluloseProtein BindingBicarbonatesBinding SitesRabbitsTemperatureMathematicsHeavy IonsProtein ConformationMass SpectrometryMagnetic Resonance SpectroscopyIonsHydrogenVoltage-Dependent Anion Channel 14,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidMagnesiumSuperoxidesCell MembraneBromidesAdenosine TriphosphateWaterSpectrophotometry, UltravioletPinus ponderosaSodium-Hydrogen AntiporterCarrier ProteinsTrypsinPeptide Fragments4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic AcidPeptidesEscherichia coliErythrocytesCell LineModels, BiologicalMacromolecular SubstancesPhosphatesIsoelectric PointIsoelectric FocusingMembranes, ArtificialLiverModels, MolecularElectrochemistryResins, SyntheticDrug StabilityProtonsThermodynamicsDiffusionAdsorptionBase SequenceMembrane PotentialsElectric ConductivityBorohydridesChemistrySpectrophotometryMolecular StructureOxidation-ReductionOsmolar ConcentrationDeuteriumPermeabilityChemical PhenomenaRecombinant ProteinsTime Factors
ResinMembranesExchangerChromatographyCationsResinsSelectiveExchangersNegatively chargedSodiumIonicChlorideSilicaNitrate from waterHydrogen ionsBicarbonateMembrane fuel cellsHalideAcidicMoleculesAqueousAbstractAmmoniumPolymer electrolyteLigandSolventsWaterCalciumCapacityAlkalineOrganicNucleicMonovalentStronglyFunctional groupsConductivityExtractionHydrationStabilityRenalAcidSulfateSerumRapidlyProteinsExplanationCommonlyCompounds
Resin21
  • It is not necessary that the cation-exchanging resin be in the hydrogen form and the anion-exchanging resin be in the hydroxide form for this test method. (astm.org)
  • Bokhoni bo felletseng ba tlhahiso bo entsoe ka 30000 M3, ho kenyeletsoa semela sa Cation resin, semela sa anion lehoakhoa sa macroporous. (dongli-chem.com)
  • Ha sehlopha sa ion se lefisa haholoanyane, se tla nolofalloa habonolo ke resin ea phapanyetsano ea anion. (dongli-chem.com)
  • Anion-exchange chromatography is a process that separates substances based on their charges using an ion-exchange resin containing positively charged groups, such as diethyl-aminoethyl groups (DEAE). (wikipedia.org)
  • In solution, the resin is coated with positively charged counter-ions (cations). (wikipedia.org)
  • AmberChrom ™ 1X8 is a strongly basic anion exchange resin which is used as an absorbent in solid phase extraction. (sigmaaldrich.com)
  • This ion-exchange resin has not been specially processed nor cleaned. (sigmaaldrich.com)
  • A softener filters calcium and magnesium laden water through a resin coated with sodium ions. (purewatergazette.net)
  • As water flows through the unit, the resin releases its sodium ions and readily trades them for the calcium and magnesium. (purewatergazette.net)
  • For nitrate removal, the resin exchanges chloride ions for nitrate and sulfate ions in the water. (purewatergazette.net)
  • Because the resin prefers to absorb sulfate, water high in sulfates hinders the nitrate exchange and reduces system effectiveness. (purewatergazette.net)
  • CrVI was extracted from standard solutions and simulated samples and retained on an ion exchange resin via ultrasonic extraction in alkaline solution. (cdc.gov)
  • CrVI was separated from trivalent- chromium (CrIII) and other cations on a strong anion exchange resin using a slightly basic ammonium-sulfate buffer solution. (cdc.gov)
  • Breakthrough of CrVI from the anion exchange resin and recovery of CrVI were examined by separating, eluting, and analyzing solutions of various buffer strengths spiked with CrVI and CrIII. (cdc.gov)
  • Over 95% of the CrVI was eluted from the anion exchange resin using 5 milliliters of the buffer solution containing 0.1M ammonium and 0.5M ammonium-sulfate. (cdc.gov)
  • The term anion-exchange resin may be used in the case of solid organic polymers. (iupac.org)
  • The Maxi Plasmid Kits use pre-packed ion-exchange resin columns to purify plasmid or cosmid DNA from bacterial cultures. (primelabmed.com)
  • AmberLite™ HPR4780 Cl Ion Exchange Resin is a Acrylic, Gel, Strong Base Anion Exchange Resin for Industrial Demineralization Applications. (dupont.com)
  • A bifunctional anion exchange resin combines weak base functionality with strong base functionality which enables AmberLite HPR4780 Cl to achieve removal of free mineral acids and weakly dissociated ions like silica and carbon dioxide. (dupont.com)
  • For systems that require low silica in the effluent or that operate in higher temperatures, a Type I strong base anion resin is recommended, such as: AmberLite™ HPR4200 Cl or OH Ion Exchange Resin, AmberLite™ HPR4800 Cl or OH Ion Exchange Resin. (dupont.com)
  • Methylmalonic acid (MMA) is extracted from plasma along with an added internal standard using an anion exchange resin. (cdc.gov)
Membranes20
  • Fabrication of high-conductivity ion exchange membranes (IEMs) is crucial to improve the performance of non-aqueous vanadium redox flow batteries (NAVRFBs). (rsc.org)
  • In the present work, anion exchange membranes with high-conductivity were fabricated by aligning ion channels of the polymer electrolyte impregnated in porous polytetrafluoroethylene (PTFE) under electric fields. (rsc.org)
  • Alkaline anion exchange membranes (AEMs) have triggered great interest in the energy field because they permit the use of non-precious metal catalysts in fuel cells. (edu.sa)
  • It is of great significance to fabricate highly conductive AEMs by intensifying the ion transport within membranes through constructing ion nanochannels that provide efficient hydroxide ion transport. (edu.sa)
  • Accordingly, the transport behavior of hydroxide ions was exploited, providing MOF membranes showing a high effective mobility of up to 6.597 × 10-4 cm2 s V-1 and a high transport hydroxide ion efficiency of up to 36.64% at 20 °C. The results imply that the efficiency of OH- conduction in the PIL confined MOF is 113% higher than that of the H+ conduction in Nafion. (edu.sa)
  • Anion exchange membranes facilitate ion transport in polymer electrolyte membrane fuel cells. (confex.com)
  • Ion exchange membranes need to be able to mechanically stretch in the elastic region well above the in-plane swelling with water to withstand hygral stresses in an electrochemical device. (confex.com)
  • Identifying a relationship between the mechanical and hygral stretching to predict durability in a working device is critical to the development of durable anion exchange membranes. (confex.com)
  • Process-structure-property relationships were used to guide our development of these new membrane materials as highly selective anion-exchange membranes. (sbir.gov)
  • Suitable membranes can be constructed to permit selective passage of either anions or cations. (fujifilm.com)
  • In a saline solution, dissolved ions such as sodium(+) and chloride(-) migrate to the opposite electrodes passing through selected membranes that either allow cations or anions to pass through(not both). (fujifilm.com)
  • Membranes are usually arranged in an alternating pattern, with anion-selective membrane followed by a cation-selective membrane. (fujifilm.com)
  • Semipermeable polymeric anion exchange membranes are essential for separation, filtration and energy conversion technologies including reverse electrodialysis systems that produce energy from salinity gradients, fuel cells to generate electrical power from the electrochemical reaction between hydrogen and oxygen, and water electrolyser systems that provide H2 fuel. (cea.fr)
  • Here quasi-elastic neutron scattering is applied over a wide range of timescales (100-103 ps) to disentangle the water, polymer relaxation and OH− diffusional dynamics in commercially available anion exchange membranes (Fumatech FAD-55) designed for selective anion transport across different technology platforms, using the concept of serial decoupling of relaxation and diffusional processes to analyse the data. (cea.fr)
  • We aim to produce top quality ion exchange membranes that may suit a variety of applications and industries. (fujifilm.com)
  • We focus on high volume supply of ion exchange membranes which enable breakthrough membrane processes to become technically feasible. (fujifilm.com)
  • Our thin homogeneous anion and cation exchange membranes are based on new innovative polymer technology. (fujifilm.com)
  • An alternative way to extract the same energy is to use ion-exchange membranes, which are impermeable to water, but allow ions to move. (comsol.com)
  • Reverse electrodialysis (RED) are salinity gradient energy extraction systems that use ion-exchange membranes. (comsol.com)
  • Freshwater and saltwater solutions pass through a stack of cells, which alternate between ion-exchange membranes (cation selective and anion selective). (comsol.com)
Exchanger4
  • An anion exchanger works a lot like a water softener, but it costs more to purchase and operate. (purewatergazette.net)
  • Ion exchanger with anions as counter-ions. (iupac.org)
  • The base form of an anion exchanger is the ionic form in which the counter-ions are hydroxide groups (OH– form) or the ionogenic groups form an uncharged base, e.g. (iupac.org)
  • For example, work with mice lacking anion exchanger Slc26a6, which can function as an oxalate transporter, revealed a phenotype of calcium oxalate kidney stones. (yale.edu)
Chromatography9
Cations3
Resins8
  • 5.2 This test method is intended for mixtures of ion-exchange materials that have salt-splitting capacity as measured by Test Method E of Test Methods and Practices D2187 for cation-exchange resins, and Test Method H for anion-exchange resins. (astm.org)
  • In the case of cation-exchange resins, these are styrene-based polymers with sulfonic acid functional groups. (astm.org)
  • Anion exchange resins will bind to negatively charged molecules, displacing the counter-ion. (wikipedia.org)
  • NEW YORK , April 20, 2015 /PRNewswire/ -- This report analyzes the worldwide markets for Ion Exchange Resins in US$ Thousands by the following End-Use Segments: Chemicals, Drinking & Wastewater Treatment, Food & Beverage, Power Generation, and Others. (prnewswire.com)
  • This document specifies test methods of the strong-base group capacity, the weak-base group capacity and the weak-acid group capacity of acrylic anion exchange resins. (iso.org)
  • Ion exchange behaviour of organic anions on strong base resins. (ucl.ac.uk)
  • Acrylic anion resins have a hydrophilic structure providing unique chemical and physical properties allowing for easy release of the accumulated natural organic compounds during the regeneration step. (dupont.com)
  • AmberLite™ Ion Exchange Resins are available in a very wide range of chemical compositions and polymer structures and have been used for decades in a high-value applications including water treatment in industrial and power generation plants. (dupont.com)
Selective5
  • Kuroda, Y 2001, ' Site-selective Ion-exchange of CuZSM-5 Prepared by Using Aqueous Solutions of Cu2+ with Various Kinds of Anions ', Photon Factory Activity Report , vol. 18B, no. 55. (elsevierpure.com)
  • Trace levels of fluoride in biological media are determined primarily by potentiometric (ion selective electrode [ISE]) and gas chromatographic (GC) methods. (cdc.gov)
  • The fluoride ion selective membrane utilizes a membrane consisting of a slice of a single crystal of lanthanum fluoride that has been doped with europium (II) fluoride to improve its conductivity (Skoog et al. (cdc.gov)
  • Fluoride analyses using the ion selective electrode are simple, sensitive, and rapid. (cdc.gov)
  • The effluent from the gas chromatograph is monitored with a mass selective detector using selected ion monitoring. (cdc.gov)
Exchangers5
  • These charged groups are referred to as exchangers like cation and anion exchangers. (wikipedia.org)
  • Inorganic insoluble or polymeric ion exchangers are typically used for water purification, water softening, and water decontamination purposes. (sensorex.com)
  • One approach involves the generation of isoform- and phospho-specific polyclonal and monoclonal antibodies to identify the cellular and subcellular sites of expression of ion exchangers in the kidney and other tissues, and to study their regulation. (yale.edu)
  • A complementary approach uses mice with targeted gene disruption to elucidate the physiological roles of ion exchangers and associated proteins under in vivo conditions. (yale.edu)
  • We have built anion exchangers as part of demineralizer systems to treat boiler feed water in power plants since the 1950s. (environmental-expert.com)
Negatively charged2
  • The negatively charged oxygen atom increases the electron density around the carbonyl carbon Thus, the acetate ion is more nucleophilic than the phenoxide ion. (stackexchange.com)
  • These results suggest that the active-site zinc ion in alcohol dehydrogenase prefers a coordination number of four during the catalytic reaction, especially when the non-protein ligand is negatively charged. (lu.se)
Sodium4
  • In such cases the hydrogen ion as well as the chloride ion is determined in the second sodium nitrate elution described in Test Method I of Test Methods and Practices D2187 , and the calculations given herein are made using the titration values so determined. (astm.org)
  • It's possible to use ion exchange to get rid of hardness in water by exchanging magnesium and calcium ions that create hardness for sodium ions. (sensorex.com)
  • Our general goal is to characterize the mechanisms regulating sodium, acid-base, and anion excretion by the kidney. (yale.edu)
  • Now, not all of the ions are easy or convenient to measure, so typically the dominant cation, sodium Na+, which is typically around 137 mEq/L and the two dominant anions, chloride Cl−, which is about 104 mEq/L, and bicarbonate HCO3−, which is around 24 mEq/L, are measured. (msdmanuals.com)
Ionic4
  • In this study, we propose a new approach to construct well-organized ion nanochannels by the in situ assembly of a poly(ionic liquid) (PIL) as the ion carrier within the highly ordered pores of metal-organic frameworks (MOFs). (edu.sa)
  • The MOF membrane, prepared by a facile hot-press method, exhibited a high conductivity of 36.6 mS cm-1 at a low ion concentration of 0.633 mmol cm-3 (20 °C), which is 6 orders of magnitude higher than that of the MIL-101 containing no poly(ionic liquid). (edu.sa)
  • The nanoporous polymer will consist of both chemically stable and ionically conductive domains that self-assembles into complex nanostructures with interconnected ionic channels, allowing hydroxide ions to travel across the membrane. (sbir.gov)
  • Raman spectroscopy revealed that a Li + ion forms complexes with sulfone and anions, and contact ion pairs and ionic aggregates are formed in the highly concentrated electrolytes. (acs.org)
Chloride1
  • Relevant of mutagenicity and clastogenici- angiosarcomas of the liver, which carcinogens discussed in this chap- ty, including the induction of sister are rare tumours, were identified in ter do not include pharmaceutical chromatid exchange (SCE), chro- humans, rats, and mice exposed to drugs classified in Group 1, which mosomal aberrations (CA), and mi- vinyl chloride. (who.int)
Silica1
  • SMT WCX Bulk Packings are silica-based Weak Cation eXchange packing materials developed for separation of cationic compounds. (thomassci.com)
Nitrate from water1
Hydrogen ions3
Bicarbonate2
  • The first portion of each renal tubule is called the proximal tubule, and the proximal tubules are collectively responsible for reabsorbing the vast majority of the filtered NaCl, bicarbonate and water, and secreting acid in the form of ammonium ions. (yale.edu)
  • In this case, the bicarbonate HCO3− ion concentration decreases by binding of bicarbonate HCO3− ions and protons H+, which results in the formation of H2CO3 carbonic acid, which subsequently breaks down into carbon dioxide CO2 and water H2O. (msdmanuals.com)
Membrane fuel cells1
  • Anion exchange membrane fuel cells and anion exchange membrane water electrolysers rely on the membrane to transport OH− ions between the cathode and anode in a process that involves cooperative interactions with H2O molecules and polymer dynamics. (cea.fr)
Halide1
  • Anion Exchanges of Water-Stable Perovskite Nanocrystals in the Pure Water Phase and Applications in Detecting Halide Ions via a Smartphone-Based Sensing Platform. (bvsalud.org)
Acidic2
  • However, when anionic groups that are not salt-splitting are present, the values for cationic groups will be high due to the acidic character of the anion effluent. (astm.org)
  • Reverse phase is the choice for the majority of samples, but if acidic or basic analytes are present then reverse phase ion suppression (for weak acids or bases) or reverse phase ion pairing (for strong acids or bases) should be used. (pharmtech.com)
Molecules1
  • The ratio of the self-diffusion coefficients ( D Li / D sol ) tended to be higher for cyclic sulfones (sulfolane and 3-methylsulfolane) than for acyclic sulfones, which suggests that cyclic sulfone molecules facilitate Li-ion hopping. (acs.org)
Aqueous3
  • However, most applied charge carriers in non-aqueous media migrate quite slowly, with poor ion conductivity, compared with charge carriers in aqueous media. (rsc.org)
  • 12 Molar conductivities of the most often used BF 4 − ions in acetonitrile (ACN) are remarkably lower than those of protons in aqueous media. (rsc.org)
  • can be used to probe the internal ions of quadruplexes in We have chosen to study the bimolecular foldback aqueous solution. (lu.se)
Abstract1
  • ABSTRACT: The structural stability of guanine quadruplexes depends critically on an unusual configuration of dehydrated Na+ or K+ ions, closely spaced along the central axis of the quadruplex. (lu.se)
Ammonium1
  • The anion-exchanging materials in this class are styrene-based materials with quaternary ammonium functional groups. (astm.org)
Polymer electrolyte1
  • It was observed that the ion channels of the polymer electrolyte were uniformly orientated in the atomic-force microscopy image. (rsc.org)
Ligand2
  • The MRD data indicate that both quadruplexes contain Na+ ions between the T4 loops and the terminal G-quartets and that these ions have one water ligand. (lu.se)
  • Ligand exchange at the zinc ion is likely to proceed by an associative mechanism with intermittent formation of a five-coordinate complex. (lu.se)
Solvents1
  • We measured the self-diffusion coefficients of Li + ( D Li ), anions ( D anion ), and sulfone solvents ( D sol ) in electrolytes. (acs.org)
Water17
Calcium1
  • Thus, a more durable, less soluble, and more translucent material was developed 33 , with chemical bonding to the dental substrate by the bonding of calcium ions to carboxylic radicals existing in the enamel, dentin and cementum. (bvsalud.org)
Capacity4
  • 1.1 This test method determines the ratio between the equivalents of anion-exchange capacity and the equivalents of cation-exchange capacity present in a physical mixture of salt-splitting anion-exchange material and salt-splitting cation-exchange material. (astm.org)
  • We measured the ion exchange capacity, hydroxide conductivity, photo-stability, and correlated them to the nanoporous structure. (sbir.gov)
  • As the secondary Li-ion battery (LIB) is a major and growing industrial channel for the element, approximately 660 million cylindrical Li-ion cells were produced in 2012, of which Korea shared 21% of total LIB manufacturing capacity 2 . (nature.com)
  • Considering the external heat flow through an annular duct ar6und the inner tube the heat exchange conditions are analyzed which depend on the coefficient of heat conductivity, the wall thickness, thermal capacity of the outer flow and the cross-section of the outer duct. (cia.gov)
Alkaline1
  • Specifically, there is a need for an anion exchange membrane (AEM) with excellent chemical stability in a strongly alkaline environment, good photo-stability, good hydroxide conductivity, and one that is mechanically robust to limit hydrogen and oxygen crossover. (sbir.gov)
Organic2
  • The molar conductivity of the supporting ion varies according to the type of an organic solvent. (rsc.org)
  • reported that the low viscosity of the organic solvent increases the molar conductivity of the supporting ion. (rsc.org)
Nucleic1
  • Guanine quadruplexes are nucleic acid structures built ions in slow exchange with bulk ions. (lu.se)
Monovalent1
  • Mohlala, li-divalent diion di hlahisoa habonolo ho feta li-ion tse monovalent. (dongli-chem.com)
Strongly1
Functional groups1
  • The ion-conducting region will contain stabilized imidazolium functional groups, which can resist hydroxide and UV attack and, thus, can operate at pH 14 under sunlight exposure for extended periods, as required for solar photoelectrochemical cells. (sbir.gov)
Conductivity1
  • reported measuring the ion conductivity for commercial IEMs by using a four-probe cell, as shown in Table 2 . (rsc.org)
Extraction1
Hydration1
  • first MRD studies of quadruplex DNA, using the 2H/17O (for A variety of NMR spectroscopy and relaxation techniques hydration) and 23Na (for ion binding) nuclides. (lu.se)
Stability2
  • The stability of the protein at values above or below the pI, will determine if an anion exchange column or cation exchange column should be used. (wikipedia.org)
  • These internal ions are crucial for the stability and frequencies. (lu.se)
Renal1
  • Causes include accumulation of ketones and lactic acid, renal failure, and drug or toxin ingestion (high anion gap) and gastrointestinal or renal HCO 3 − loss (normal anion gap). (msdmanuals.com)
Acid1
  • The methods discussed below are for the analysis of the fluoride ion, or in the case of gaseous acid fluorides, hydrogen fluoride. (cdc.gov)
Sulfate1
  • The anion gap is further decreased because the volume expansion probably reduces the tubular reabsorption of unmeasured anions, such as sulfate, phosphate, and urate. (medscape.com)
Serum1
  • Metabolic acidoses are categorized as high or normal anion gap based on the presence or absence of unmeasured anions in serum. (msdmanuals.com)
Rapidly1
  • Li + exchanges ligands (sulfone and BF 4 - ) rapidly to produce unusual hopping conduction in highly concentrated electrolytes. (acs.org)
Proteins1
  • Our work is primarily focused on membrane transport proteins mediating ion exchange, namely NHE isoforms mediating Na + -H + exchange, and SLC26 isoforms mediating anion exchange. (yale.edu)
Explanation1
  • This article provides you with a more detailed explanation on the ion exchange process and the many industrial applications it's used for. (sensorex.com)
Commonly1
  • The ion exchange process is commonly used throughout numerous industrial applications because of the many benefits that this process provides. (sensorex.com)
Compounds1
  • This resistance to change in pH is due to the presence of the family of carbonate ions, but certain other compounds also provide buffering. (frenchentree.com)