Increase in cation. Medical search. Frequent questions

Selective separation of monovalent cations from complex mixtures is an industrially relevant procedure necessary for the recovery of many commodity materials, such as lithium from salt brines. (aps.org)
In this work, we assess how incorporating crown ethers, which form host-guest complexes with monovalent cations, into poly(norbornene) networks impacts the selective partitioning and diffusion of alkali cations. (aps.org)
Human skin is permselective for the small, monovalent cations sodium and potassium but not for nickel and chromium. (cdc.gov)
Results for skin showed the expected increase in cation permselectivity for monovalent cations and a 40-110-fold reduction in effective diffusivities with respect to those in solution. (cdc.gov)

From electrostatics (Coulomb's law), smaller and more positively charged cations lead to larger electrostatic attraction. (wikipedia.org)
CNG channels are openings in the cell membrane that transport positively charged atoms (cations) into cells. (medlineplus.gov)

One approach to overcoming selectivity limitations is to incorporate ligands into membranes which specifically interact with target cations in an aqueous environment. (aps.org)
The membranes show the capability to recognize monovalent/divalent cations, achieving excellent K + /Mg 2+ selectivity of 121.2 using mixed salt solution as the feed, which outperforms other reported membranes under similar testing conditions and transcends the current upper limit. (nature.com)
Characterization and simulations indicate that the cation recognition effect of EDTA and partial dehydration effects play critical roles in cations selective sieving and increasing the local charge density within the sub-nanochannel significantly improves cation selectivity. (nature.com)

Abnormalities of red cell membrane cation permeability are seen in several hereditary disorders. (medscape.com)
Any disturbances in membrane cation permeability alter cellular hydration and can cause numerous effects, including hemolysis. (medscape.com)
In overhydrated hereditary stomatocytosis, the major defect is a marked asymmetrical increase in passive Na + and K + permeability. (medscape.com)
In contrast, the primary abnormality in DHSt is a change in the relative membrane permeability to K + . Efflux of K + is increased 2- to 4-fold and results in cation depletion, with decreased intracellular osmolality and water loss. (medscape.com)
Cetiedil has two such effects: It causes a rise in passive Na+ movements and it inhibits a specific increase in K+ permeability secondary to a rise in cytoplasmic Ca2+ concentration. (unboundmedicine.com)
Cetiedil then may represent an alternate type of antisickling agent, exerting its effect through changes in erythrocyte membrane cation permeability rather than directly modifying hemoglobin S. (unboundmedicine.com)

For application in emerging sodium batteries, we have developed three dual-cation polymeric ionomers, which contain bulky tetraalkylammonium ions in addition to the sodium ion. (rsc.org)
To improve the structural stability and energy density of sodium layered transition metal oxides (NaxTMO2, 0 ≤ x ≤ 1), substituting transition metals with different types of metals (e.g. (uwaterloo.ca)
At the peripheral nerve and nociceptor level, injury results in inflammation and in activation and over-representation of cation channels, particularly sodium channels. (msdmanuals.com)

Transient receptor potential melastatin member 4 (TRPM4), a non-selective cation channel, mediates cell membrane depolarization in immune response, insulin secretion, neurological disorders, and cancer. (frontiersin.org)
The transient receptor potential melastatin 4 (TRPM4) protein is an intracellular Ca 2+ -activated non-selective cation channel, which is impermeable to Ca 2+ . (frontiersin.org)
Transient receptor potential (TRP) proteins are cation-selective channels that function in processes as diverse as sensation and vasoregulation. (nih.gov)
transient receptor potential cation. (wikigenes.org)
Here, we study HC relaxation dynamics in LHP NCs with cesium (Cs), methylammonium (MA, CH 3 NH 3 + ), and formamidinium (FA, CH(NH 2 ) 2 + ) cations by using femtosecond transient absorption spectroscopy. (lu.se)

Here we demonstrate that the selection of spacer cations (i.e., selective fluorination of phenethylammonium) affects the film properties of two-dimensional perovskites, leading to different device performance of two-dimensional perovskite solar cells (average n = 4). (nature.com)

The most studied cation-π interactions involve binding between an aromatic π system and an alkali metal or nitrogenous cation. (wikipedia.org)
More specifically, we observe that alkali cation complexation tends to increase with decreasing cation hydration free energy. (aps.org)

Analysis of immunophenotypically defined cell populations markedly increased specificity of liquid chromatography-tandem mass spectroscopy (LC-MS/MS). Over 375 differentially expressed proteins were analyzed by Ingenuity Pathway Analysis (Ingenuity Systems). (genengnews.com)
Better promoters, enhancers, and other genetic elements have contributed to increased upstream production of proteins. (genengnews.com)

By transporting Na + and K + ions across the cell membrane, red cells can adjust the intracellular concentration of these cations and regulate intracellular hydration. (medscape.com)

Herein, inspired by K + channel of streptomyces A (KcsA K + ), we have constructed cation sieving membranes using MXene nanosheets and Ethylenediaminetetraacetic acid (EDTA) molecules as building blocks. (nature.com)
Impact of Formulation of Photocurable Precursor Mixtures on the Performance and Dimensional Stability of Hierarchical Cation Exchange Membranes. (bvsalud.org)

For the case of a 12-Crown-4-functionalized membrane, atomistic molecular dynamics simulations reveal a strong coupling between cation hydration and their sorption and diffusion in the membrane. (aps.org)

Therefore, developing solid electrolyte which can provide high ionic conductivity together with wide electrochemical stability window and chemical stability to the positive electrodes is necessary to fully utilize cation redox, and possibly anion redox together, of the high voltage positive electrode materials in ASSBs. (uwaterloo.ca)
This thesis presents various approaches for improving energy density of LIBs, NIBs and ASSBs with respect to harnessing the cation and anion redox. (uwaterloo.ca)
Earlier, reversed-phase, weak and strong anion-exchange and weak cation-exchange monolithic columns were introduced in a 1 mm i.d. format for protein separations. (chromatographyonline.com)
[ 7 ] At low temperatures, the defective anion channel appears to allow a significant cation leak, and autohemolysis may be seen in vitro at 4ºC. (medscape.com)

These two colloidal (negatively charged) substances are essentially the cation warehouse or reservoir of the soil. (norganics.com)

As an innovative cation exchange material, nanozirconium tungestovanadate prepared using homogeneous precipitation technique was immobilized into alginate matrix and evaluated for cationic dye decolourization. (hindawi.com)
Batch technique was utilized to test the cation exchange efficiency of the prepared composite material toward C.I. basic violet 16 dye decolourization. (hindawi.com)
A New High-resolution Strong Cation-exchange 1 mm i.d. (chromatographyonline.com)
ProSwift strong cation-exchange (SCX) column is a polymethacrylate-based monolithic column with sulfonate functionality. (chromatographyonline.com)
Cation Exchange Capacity (CEC) - First, what are cations (pronounced CAT-eye-ons)? (norganics.com)
The cations in the soil that concern us the most are calcium (Ca), magnesium (Mg), potassium (K), and hydrogen (H). The capacity of the soil to hold and exchange cations is determined by the amount of clay and/or humus that is present. (norganics.com)
An automated solid-phase extraction protocol utilized weak cation exchange magnetic beads. (genengnews.com)
They've an innovative technology called Cation Exchange. (astronomy.com)
This Cation Exchange uses two distinct oxidation reactions to emit absolutely free radicals to the air. (astronomy.com)
Off-line SPE is coupled with on-line two-dimensional (2D) HPLC combining cation exchange (SCX) and reversed phase (RP) chromatography in one integrated HPLC system followed by isotope dilution tandem mass spectrometry for the quantitative determination of the target analytes. (cdc.gov)
The photophysical properties of these materials can be further improved by chemical engineering such as cation exchange. (lu.se)

2018). Next-generation dures with six levels of complexity have been major drivers of increased systemic therapeutics will be aimed (Purushotham et al. (who.int)

This work provides key missing information on how spacer cations exert influence on desirable electronic properties and device performance of two-dimensional perovskites via the weak and cooperative interactions of these cations in the crystal lattice. (nature.com)

Increased nutrient withdrawal by rapidly expanding intensive cropping systems, in combination with imbalanced fertilization, is leading to potassium (K) depletion from agricultural soils in Asia. (mdpi.com)

This improved light absorption could potentially increase the current of 2D OIHP based solar cells and further boost their efficiency. (nature.com)
Increasing temperature from 22 degrees C to 40 degrees C in mammalian cells transfected with hTRPV3 elevated intracellular calcium by activating a nonselective cationic conductance. (nih.gov)
Cation transport numbers for four of these electrolytes were measured in Franz cells by the electromotive force method. (cdc.gov)
Researchers speculate that the defective channels allow a huge influx of cations into cones, which ultimately causes these cells to self-destruct (undergo apoptosis). (medlineplus.gov)

However, although LIBs have been intensively developed and commercialized, their energy density still needs to be improved to achieve goals in cost and energy efficiency. (uwaterloo.ca)

a particularly strong effect is observed with cations of high charge density. (wikipedia.org)
Since cation-π interactions are predicted by electrostatics, it follows that cations with larger charge density interact more strongly with π systems. (wikipedia.org)

Soluble mineral salts (e.g. potassium sulfate) applied in large doses to soil with a low CEC cannot be held efficiently because the cation warehouse is too small. (norganics.com)
The CEC of a soil is a value given on a soil analysis report to indicate its capacity to hold cation nutrients. (norganics.com)
Water equilibrated with increasing concentrations of CO2 was used to extract cations from the soil columns. (ornl.gov)

Kilner, J.A. "Oxygen ion diffusion in cation ordered/disordered GdBaCo2O 5+δ" Journal of Materials Chemistry 21, 7, pp. 2183 - 2186. (irec.cat)

However the room temperature ionic liquids (RTILs) are promising alternatives to replace the current electrolytes as they demonstrate significantly higher and safer operating potentials, thus improving specific energy density. (whiterose.ac.uk)
This allows separations to be completed in significantly shorter times, which helps increase productivity. (chromatographyonline.com)

In cones, CNG channels remain open under dark conditions, allowing cations to flow in. (medlineplus.gov)
When light enters the eye, it triggers the closure of these channels, stopping the inward flow of cations. (medlineplus.gov)

There is increasing evidence from our laboratory and others that some organelles (e.g., lysosomes, Golgi) also have membrane skeletons. (dana-farber.org)

Structural analysis reveals that different packing arrangements and orientational disorder of the spacer cations result in orientational degeneracy and different formation energies, largely explaining the difference in film properties. (nature.com)
It was found that interaction energies of cation-π pairs correlate well with electrostatic potential above the π face of arenes: for eleven Na+-aromatic adducts, the variation in binding energy between the different adducts could be completely rationalized by electrostatic differences. (wikipedia.org)

Molar conductance decreased with increasing concentration, following the Kohlrausch law, over a 4-12-fold concentration range. (cdc.gov)

1.3 This test method has been improved in accuracy by using a modern microprocessor instrument for conductivity and temperature measurement and appropriate temperature compensation algorithms for compensation to 25۳. (astm.org)

Similar to these other non-covalent bonds, cation-π interactions play an important role in nature, particularly in protein structure, molecular recognition and enzyme catalysis. (wikipedia.org)

To improve the energy density of lithium layered transition metal oxide (LixTMO2) positive electrodes for LIBs, oxygen redox in the high-valent state of the lithium-rich layered oxide (LRLO, Li1+xTM1-xO2) materials has been extensively explored because it enables the high reversible capacity that exceeds the material's theoretical capacity (if one only accounts for transition metal redox). (uwaterloo.ca)
The cation-disordered lithium metal oxides display interesting electrochemical behavior quite distinct from the conventional cation-ordered layered structures. (amrita.edu)

The most recent practice guidelines that were published by KDIGO (Kidney Disease: Improving Global Outcomes) think of FSGS in four different categories. (medscape.com)

For example, if induced dipole was a controlling effect, aliphatic compounds such as cyclohexane should be good cation-π partners (but are not). (wikipedia.org)

Sandy soils with very little organic matter (OM) have a low CEC, but heavy clay soils with high levels of OM have a much greater capacity to hold cations. (norganics.com)
Data represent the time series of cation concentrations in the extract solutions as well as the total content of cations removed from the soils. (ornl.gov)

carbamazepine will decrease the level or effect of dolutegravir by increasing metabolism. (medscape.com)

Cation-π interaction is a noncovalent molecular interaction between the face of an electron-rich π system (e.g. benzene, ethylene, acetylene) and an adjacent cation (e.g. (wikipedia.org)

The protocol allowed for cleanup and enrichment of certain subsets of peptides and improved sensitivity of the MS assay. (genengnews.com)
The method relies on automated off-line SPE to pre-concentrate the target compounds while reducing or eliminating most of the urine matrix potential interferences to increase the overall sensitivity and specificity. (cdc.gov)

As of June 20, Timeline events comprised the following dates: symptom a total of 2,518 STEC cases and 786 HUS cases meeting onset (onset of diarrhea), diagnosis, notifi cation (date when the case defi nitions for this outbreak were reported to the notifi cation arrived at the local health department), and the national agency for infectious disease epidemiology reporting (date when the report arrived at RKI). (cdc.gov)
this has created an expo- precision surgery, including the intel- to send money to family members nentially increasing number of types ligent scalpel (which provides instan- to pay for treatment or by doctors of cancers, as well as pathways of taneous diagnosis during surgery), to evaluate images and patholo- care, defined by prognostic stratifi- nanorobotics (Felfoul et al. (who.int)

Several criteria influence the strength of the bonding: the nature of the cation, solvation effects, the nature of the π system, and the geometry of the interaction. (wikipedia.org)

however, energetic trends do not track well with the ability of arenes and cations to take advantage of these effects. (wikipedia.org)
benefits also observed in this population without evidence of increased neuropsychiatric effects. (drugs.com)
Cations may have significant effects on sludge conditioning by neutralization of negative surface charges, bridging of floc components, and the salting out effect, leading to improved dewaterability when used in conjunction with chitosan. (iwaponline.com)

Separation of a standard protein mixture at increasing flow rates and constant column volume gradient is shown in Figure 1(a). (chromatographyonline.com)

However, these 2D layered perovskites, having the insulating organic cations separating these inorganic slabs, tend to adopt an orientation where these inorganic slabs would be aligned in parallel to the substrate. (nature.com)

This study further investigates the potential of dual-conditioning of sludge using the non-toxic and biodegradable biopolymer chitosan to replace synthetic polymers, together with some cheaper metal cations as an economical and eco-friendly dewatering alternative. (iwaponline.com)

This study identified that the physiochemical properties, operating potential and the cation volume of the Ionic Liquids (ILs), as well as the pore size distribution of the carbon materials influencing the capacitance performance. (whiterose.ac.uk)
Moreover, the business has integrated development and research to enhance the manufacturing process of the brand of air purifiers and to increase their overall performance. (astronomy.com)
The revealed cation-dependent HC relaxation process is important for providing cation engineering strategies for developing high performance LHP devices. (lu.se)

At the other end of the spectrum, net loss of cations and water results in the more common dehydrated hereditary stomatocytosis (DHSt), also called xerocytosis. (medscape.com)

We also demonstrate our commitment to increasing access to healthcare through far-reaching policies, programs and partnerships. (merck.com)

Our LEED® design initiatives go deep: Sustainable development of the site, efficient use of water, reduced energy consumption, responsible use of materials and resources, as well as improved quality of the indoor environment. (southbrook.com)

However, Dr. Wurm stated that the role of these elements on the DNA level has been overemphasized, and that the principle source of increased productivity comes from better cell growth and other process-related improvements that were obtained through media modifications, productivity enhancers, and media feeds. (genengnews.com)
Indeed, this strategy has resulted in a 25-fold increase in cell density in cultures from 1986-2007. (genengnews.com)

Any intermediating solvent molecule will attenuate the effect, because the energy gained by the cation-π interaction is partially offset by the loss of solvation energy. (wikipedia.org)
dolutegravir will increase the level or effect of dofetilide by decreasing renal clearance. (medscape.com)
aluminum hydroxide/magnesium carbonate will decrease the level or effect of dolutegravir by cation binding in GI tract. (medscape.com)

Your chance of developing osteoporosis increases as you age, after menopause , or if you are taking corticosteroid medications (such as prednisone ) for a long time. (rxlist.com)
Over time, people with progressive cone dystrophy develop increasing blurriness and loss of color vision. (medlineplus.gov)

Accumulation of organic matter is actually increased in these conditions because the lack of air slows down decomposition. (norganics.com)

Along with increasing capacity and raising the redox potential of positive electrode materials to improve the energy density of LIBs and NIBs, developing safe non-flammable electrolytes has become a critical issue due to thermal runaway of batteries caused by high operation voltage. (uwaterloo.ca)

Moreover, they also use innovative technologies to increase air purifying capabilities. (astronomy.com)

Molar conductance and cation transport values at infinite dilution were extrapolated from these data and used to estimate ionic conductances at infinite dilution. (cdc.gov)
This change in cation transport alters the cone's electrical charge, which ultimately generates a signal that is interpreted by the brain as vision. (medlineplus.gov)

Chemical tuning of spacer organic cations has attracted great interest due to their additional functionalities. (nature.com)
In patients who have successfully stopped smoking by the end of 12 weeks of initial treatment, consider an additional 12 weeks of therapy to increase the likelihood of long-term abstinence. (drugs.com)

Anatomy9

Organisms5

Diseases1

Chemicals and Drugs123

Analytical, Diagnostic and Therapeutic Techniques and Equipment14

Phenomena and Processes38

Disciplines and Occupations4

Technology, Industry, Agriculture2

Information Science3

Health Care1

Monovalent cations4

Positively charged2

Selectivity3

Permeability6

Sodium3

Transient5

Selective1

Alkali2

Proteins2

Ions1

Membranes2

Hydration1

Anion4

Substances1

Exchange11

20181

Weak1

Nutrient1

Cells4

Efficiency1

Charge density2

Soil3

Diffusion1

Significantly2

Channels2

Membrane1

Energies2

Concentration1

Temperature1

Interactions1

Lithium2

Practice1

Aliphatic1

Soils2

Metabolism1

Molecular1

Sensitivity2

Diagnosis2

Influence1

Effects3

Separation1

Tend1

Synthetic1

Performance3

Spectrum1

Demonstrate1

Water1

Cell2

Effect3

Time2

Organic matter1

High1

Innovative1

Transport2

Additional2