• Freeze crystallization (FC) is a melt crystallization method, defined as water removal based on ice formation and its separation from aqueous solutions at or slightly below the freezing point of the solution. (aalto.fi)
  • SFC and LFC were applied to concentrate solutions with freezing points in the range from -0.56°C to -7.51°C.The ice nucleation and growth kinetics were influenced to varying degrees by the solution ideality, undercooling, and initial water concentration in feed solution. (aalto.fi)
  • Thus, the obtained ice yields for 60 min of freezing at an undercooling range of 0.83-2.28 °C were:1.3-5.8% for aqueous sucrose solution and 3.6-7.15% for [DBNH][OAc] solutions with 60 min of freezing. (aalto.fi)
  • The heat transfer during cooling of aqueous solutions (10 wt. (aalto.fi)
  • Furthermore, cooling crystallization from solutions can be considered as a recovery method for valuable biochemicals, such as levoglucosan, from aqueous PO extracts. (aalto.fi)
  • The properties of high-molecular-weight DNA are usually investigated in neutral aqueous solutions. (nature.com)
  • Eliasson, R., Hammarsten, E. & Lindahl, T. Use of ethylene glycol in counter flow electrophoresis and in cold concentration of DNA and protein solutions. (nature.com)
  • In this paper we present the investigation results on the dielectric properties of glucose aqueous solutions over a large frequency band spanning from 2 to 18 GHz. (univ-lille.fr)
  • The characterization at room temperature (25 °C) of solutions whose concentration varies from 0 to 10 mg/ml is achieved by using an interferometer based near-field microwave microscope (NFMM). (univ-lille.fr)
  • This video explains solutions, concentration and types of solutions. (topperlearning.com)
  • Hence, we investigate the counterion-induced electrodeposition of polyelectrolytes: three quaternized poly( N , N -dialkylaminoethyl methacrylate)s (qPDAAEMA), in particular their methyl, ethyl, and isopropyl derivatives (i. e. qPDMAEMA, qPDEAEMA, and qPDPAEMA), provide transparent solutions in the presence of hexacyanoferrate(II) (ferrocyanide) at specific concentration windows of the KCl supporting electrolyte. (gdch.app)
  • Trehalose aqueous solutions show a concentration-dependent clustering tendency. (wikipedia.org)
  • Quantification of H2O2 concentrations in aqueous solutions by means of combined NMR and pH measu. (rwth-aachen.de)
  • Sodium hypochlorite is generally sold in aqueous solutions containing 5 to 15% sodium hypochlorite, with 0.25 to 0.35% free alkali (usually NaOH) and 0.5 to 1.5% NaCl. (cdc.gov)
  • This proposed method also provided an effective route for the recovery of hydrophilic IL from aqueous solutions. (acs.org)
  • S. K. Kansal, M. Singh and D. Sud, "Parametric Optimization of Photocatalytic Degradation of Catechol in Aqueous Solutions by Response Surface Methodology," Indian Journal of Chemical Technology, Vol. 14, No. 2, 2007, pp. 145-153. (scirp.org)
  • S. K. Kansal, G. Kaur and S. Singh, "Studies on Photocatalytic Degradation of 2,3-Dichlorophenol Using Different Oxidants in Aqueous Solutions," Reaction Kinetics and Catalysis Letters, Vol. 98, No. 1, 2009, pp. 177-186. (scirp.org)
  • Salts lower the melting points of aqueous solutions. (wikipedia.org)
  • Refractometers are instruments used for measuring concentrations of aqueous solutions. (coleparmer.com)
  • Using these values, you can determine the concentrations of solutions. (coleparmer.com)
  • Fluorescein aqueous solutions, diluted from 10,000 to 1 parts-per-million in intervals of 10 fold dilution. (wikipedia.org)
  • When working with aqueous solutions , it is common to assume that the density of water is 1.00 g/mL. (wikipedia.org)
  • This study aimed to investigate and explore the possibility of using eggshell powder (ES) and natural hydroxyapatite (HAp) derived from chicken bone for adsorption of Sr(II) ions from aqueous solutions. (scialert.net)
  • The Sr(II) removal from aqueous solutions by natural calcium based materials were studied in a batch mode. (scialert.net)
  • The natural calcium based adsorbents seems to be a suitable low-cost material for removing strontium ions from aqueous solutions. (scialert.net)
  • There are many techniques for removing metal ions from aqueous solutions 2 , 3 . (scialert.net)
  • In order to remove Sr ions from aqueous solutions, organic and inorganic adsorbents have been widely employed 4 - 10 . (scialert.net)
  • In the literature it can be found, there are few studies relating to removal of strontium from aqueous solutions using bone ash 18 and eggshell powder 19 . (scialert.net)
  • These studies are limited in the literature although there is no study about the artificial neural networks was used for modeling of adsorption of Sr(II) from aqueous solutions by eggshell and bone ash. (scialert.net)
  • Used to measure oxygen concentration in aqueous solutions. (adinstruments.com)
  • Cellulose acetate solutions in DMSO were dropped into aqueous antisolvent solutions of different zinc salts. (lu.se)
  • Even higher values of zinc uptake (up to 15.5%) were obtained when zinc acetate was added to the cellulose acetate-DMSO solution, prior to dropping in aqueous zinc salt antisolvent solutions. (lu.se)
  • Formation of Aqueous Biphasic Systems with an Ionic Liquid Induced by Metallic Salts: Nanoscopic Views from Molecular Dynamics Simulations. (acs.org)
  • Here, we assessed the potential antiviral activity of aqueous extracts obtained from two brown macroalgae, namely Macrocystis pyrifera and Durvillaea antarctica against HSVs. (frontiersin.org)
  • Aim: The present study aimed to evaluate the in vitro antimicrobial activity of hydroalcoholic and aqueous extracts from leaves of P. guajava on four bacterial and two fungal samples to determine the range of minimum inhibitory concentration of the extracts. (bvsalud.org)
  • This study had been used to evaluate the ability of Nigella Sativa aqueous extract to increase tooth resistance against acid attack when compared to Sodium Fluoride. (ijsr.net)
  • In the present study, we aimed to investigate the effects of continuous intake of aqueous extract from I. obliquus on tumor suppression. (researchgate.net)
  • It was previously showed that aqueous leaf extract (AqEx) of Averrhoa carambola depresses the guinea pig atrial inotropism. (scielo.br)
  • The aqueous extract showed no antimicrobial activity. (bvsalud.org)
  • Conclusions: Despite demonstrating antimicrobial efficiency, the P. guajava extract may be insufficient or may require a higher concentration to be fully effective. (bvsalud.org)
  • Up to the initial concentration of 5.0 × 102 mg/L, the uptake of Ba2+ ions was fast and obeyed Lagergren's kinetic model. (iyte.edu.tr)
  • The overgrowth of BaCO3 (witherite) took place at higher concentrations, in a kinetically slow process and enhanced the uptake of Ba2+ ions. (iyte.edu.tr)
  • Other macroscopic quantities like viscosity, conductivity or surface tension depend drastically not only on the ion concentration but also of the nature of the solvated ions. (cecam.org)
  • For simple systems the empirical models can even work better but in the case of more complex systems, like ions or acids at higher concentrations, the predictive power of (non-polarisable) empirical models is not very good. (cecam.org)
  • The artificial neural networks (ANN) are carried out for prediction of adsorption efficiency for the removal of Sr(II) ions from aqueous solution by eggshell (ES) and bone ash-hydroxyapatite (BA-HAp). (scialert.net)
  • This gives indirect proof that H2O2, a significant ROS,2 is available in aqueous laughter.90 Some have recommended that elevated air may make enough H2O2 to exceed the power of catalase to eliminate it,41,91 potentially increasing publicity from the aqueous outflow pathway to the toxic metabolite. (ncbedbugs.com)
  • 2020. Freeze Concentration of Aqueous [DBNH][OAc] Ionic Liquid Solution. (aalto.fi)
  • precipitation of DNA from aqueous solution with ethanol or isopropanol is therefore frequently used as a purification step. (nature.com)
  • While diluting the aqueous solution of salt ,a student by mistake added ethanol(b.pt. (topperlearning.com)
  • Methods We collected aqueous humour samples from 165 patients clinically diagnosed with PSS between 2017 and 2019. (bmj.com)
  • Results CMV DNA was detected in 94 (56.97%) of the 165 aqueous humour specimens analysed. (bmj.com)
  • The concentration of anti-CMV immunoglobulin G (IgG) in the type 1 group was 0.94±0.79 s/co (ratio of aqueous humour CMV IgG/serum CMV IgG to aqueous humour albumin concentration/serum albumin concentration), whereas that in the type 3 group was 0.67±0.71 s/co. (bmj.com)
  • Conclusion Genotype 1 was the most prevalent genotype in the aqueous humour of CMV-infected patients with PSS. (bmj.com)
  • sodium hypochlorite is usually a greenish yellow, aqueous solution. (cdc.gov)
  • Dymista (azelastine hydrochloride and fluticasone propionate) nasal spray, 137 mcg / 50 mcg contains 0.1% solution of azelastine hydrochloride and 0.037% suspension of micronized fluticasone propionate in an isotonic aqueous suspension containing glycerin, microcrystalline cellulose and carboxymethylcellulose sodium, phenylethyl alcohol (2.5 mg/g), edetate disodium, benzalkonium chloride (0.1 mg/g), polysorbate 80, and purified water. (rxlist.com)
  • It should also be mentioned that SYNEXTRACT process would be all aqueous, therefore avoid the use of organic solvent and would drastically reduce process wastes and running costs. (europa.eu)
  • The Se(VI) concentration was calculated as the difference between the measured total inorganic selenium and Se(IV) content. (who.int)
  • As the concentration increases the colour becomes a more vibrant yellow, then orange, with the final 10,000 ppm a deep red colour. (wikipedia.org)
  • Evaluation of the Levels of Low-dose Topical Atropine (0.01%) in Aqueous and Vitreous Humor in Human Eyes. (bvsalud.org)
  • This is the first human study that confirmed penetration of 0.01% topical atropine in aqueous and vitreous humor in live human eyes . (bvsalud.org)
  • Measurable concentration of low- dose topical atropine (0.01%) was noted in aqueous and vitreous humor after instillation of a single drop of low- dose atropine . (bvsalud.org)
  • together with protein concentration) and lens epithelial cells plus capsule (LECs/capsule) in patients with cataract (CAT), and also suffering from pseudoexfoliation syndrome (PEX), primary open-angle glaucoma (POAG) and pseudoexfoliation glaucoma (PXG). (molvis.org)
  • Average protein carbonyl concentrations were measured in patients grouped in 5-year age intervals (ranging from 56-60 to 86-90). (molvis.org)
  • Protein partitioning in two-phase aqueous polymer systems. (mit.edu)
  • The penicillins are bactericidal antibiotics that work against sensitive organisms at adequate concentrations and inhibit the biosynthesis of cell wall mucopeptide. (medscape.com)
  • Experiments: In this work, we specifically synthesize poly (ethylene glycol) (PEG) chains, grafted onto poly(styrene) (PS) particles in aqueous solution, and adjust the conditions so that strongly anisotropic and isolated polymer-like clusters are formed. (lu.se)
  • We add water-soluble polymers to create a mixed potential that we tune through appropriate variations of the ionic strength and polymer concentration. (lu.se)
  • Effect of Salt Type and Alkyl Chain Length on the Binodal Curve of an Aqueous Two-Phase System Composed of Imidazolium Ionic Liquids. (acs.org)
  • The paper includes the studies on photocatalytic degradation of 2,6-DCP in aqueous phase using titania (PC-105) as a photocatalyst. (scirp.org)
  • S. Kansal and M. Chopra, "Photocatalytic Degradation of 2,6-Dichlorophenol in Aqueous Phase Using Titania as a Photocatalyst," Engineering , Vol. 4 No. 8, 2012, pp. 416-420. (scirp.org)
  • Conveniently, Se(VI) remained in the aqueous phase. (who.int)
  • The droplets underwent phase inversion, forming solid cellulose acetate beads containing zinc, as a function of zinc salt type and concentration. (lu.se)
  • The removal efficiency of the adsorbent is to be considered an output layer and the adsorption parameters such as pH, time, initial concentration, temperature etc., are to be considered an input layer of the ANN model. (scialert.net)
  • Oxidative Impurity B of Calcitriol Impurity B of Calcitriol loss of life or harm of TM endothelial cells could end result because of this publicity, as seen in glaucoma sufferers with reduced cellularity from the TM.31,92C94 If increased air oxidizes AsA and other antioxidants, you might expect antioxidant substances to become depleted in Cd207 the aqueous laughter of sufferers with elevated air. (ncbedbugs.com)
  • Aqueous humor samples were taken from patients undergoing cataract surgery at 60 ± 15 minutes in group 1, 120 ± 15 minutes in group 2, 240 ± 15 minutes in group 3, and 360 ± 15 minutes in group 4. (bvsalud.org)
  • In the atrium, the AqEx (1500 µg/mL) shifted to the right the concentration-effect curve of the positive inotropic effect produced by (±) BAY K 8644, an L-type calcium channel agonist. (scielo.br)
  • The CO 2 content of aqueous fluids in equilibrium with carbon can be used to retrieve their oxygen fugacity if pressure and temperature are known. (geochemicalperspectivesletters.org)
  • These conditions include a very low ionic strength (the particles are weakly charged), a relatively high temperature, and a low particle concentration. (lu.se)
  • Given an aqueous solution in which the [H^+]=5.0*10^-3 M, what is the molar hydroxide ion concentration? (socratic.org)
  • All-atom molecular dynamics simulations showed that concentrations of 1.5-2.2 molar allow trehalose molecular clusters to percolate and form large and continuous aggregates. (wikipedia.org)
  • The effect of current density, pH of MG solution, dosage of PS and initial concentration of MG were also investigated. (iwaponline.com)
  • larger or smaller substituents fall short because of a balance between "hydrophobicity" and charge separation, shifting the window toward smaller salt concentrations with increasing alkyl size. (gdch.app)
  • Today environmentally friendly aqueous cleaning has taken on the most important role for the intermediate and final cleaning of parts. (dksh.com)
  • Cleaning systems for aqueous cleaning are available as flow-through spray units, single-chamber and multi-chamber systems. (dksh.com)
  • The EcoCcube was conceived for the qualitatively effective, aqueous spray cleaning of machined and non-machined individual parts with diverse geometries. (dksh.com)
  • Persistence: 'In laboratory studies performed to determine aqueous stability for aquatic toxicity tests, hydrolysis and/or photolysis effects were observed. (janusinfo.se)
  • Severe acute respiratory syndrome (SARS) is an from in vitro testing indicate that ribavirin concentrations infectious disease caused by a newly identified human that inhibit other viruses sensitive to ribavirin do not inhibit coronavirus (SARS-CoV). (cdc.gov)
  • This necessitates the investigation of past experimental approaches in their attempt to correlate oxidative stress and ocular diseases in humans in both the epithelial cells plus the capsule (LECs/capsule) and in the aqueous humor (AH). (molvis.org)
  • Applicable to both natural and experimental systems, we present a new oxybarometer based on the aqueous concentration of CO2 in fluids saturated with either graphite or glass-like carbon, suitable to retrieve their oxygen fugacity. (geochemicalperspectivesletters.org)
  • Table 2 Run table including CO 2 measured in the experimental aqueous fluids. (geochemicalperspectivesletters.org)
  • Motivated by previous experimental achievements in non-aqueous solvents, and recent theoretical predictions, we hypothesize that it is possible to construct clusters that resemble linear or branched polymers, in aqueous solution. (lu.se)
  • The purpose of this study was to evaluate penetration of low- dose atropine 0.01% in aqueous and vitreous humor . (bvsalud.org)
  • At all the studied concentrations, aragonite showed higher removal capacity of Ba2+ and faster uptake kinetics than did calcite. (iyte.edu.tr)
  • Odor may not provide an adequate warning of hazardous concentrations. (cdc.gov)
  • It has a strong chlorine odor, but odor may not provide an adequate warning of hazardous concentrations . (cdc.gov)
  • Chlorine's odor or irritant properties generally provide adequate warning of hazardous concentrations. (cdc.gov)
  • Freezing and boiling points are colligative properties of a solution, which depend on the concentration of dissolved substances. (wikipedia.org)
  • Optimal Aqueous Biphasic Systems Design for the Recovery of Ionic Liquids. (acs.org)
  • catalyst dose, pH, initial substrate concentration and time were investigated in order to obtain their optimum values. (scirp.org)
  • Optimal concentrations and conditions for each application should be determined by the user. (sigmaaldrich.com)
  • This is specified for aqueous solution under standard conditions. (socratic.org)
  • Air, aqueous, and polymeric waste streams were generated by an acrylate manufacturing process. (cdc.gov)