• Mrevlishvili and Svintradze (2005a, b) is demonstrated that one example of biological important and molecular self-assembly complex system is the collagen-DNA ordered aggregate which is spontaneously formed in aqueous solution. (scialert.net)
  • Intuition suggests that the spontaneous formation of pure THF droplets in dilute aqueous solutions should be somehow controlled by the parameters of the interaction of water and THF molecules via hydrogen bonding. (nanowerk.com)
  • The temperature effect in the acidic aqueous biphasic system HCl/[P 44414 ]Cl/H 2 O was characterised in the range 273 K to 373 K and was found to significantly deviate from the corresponding aqueous biphasic system with NaCl. (rsc.org)
  • The pH was found to decrease with increase in pressure and with decrease in temperature for both CO 2 -saturated NaCl and NaHCO 3 solutions. (imperial.ac.uk)
  • The temperature responsive solubility of ionic liquids with 'bulky' polar regions, such as tributyltetradecyl phosphonium chloride ([P 44414 ]Cl), in acidic aqueous solutions is elucidated through a combined experimental and computational approach. (rsc.org)
  • The clinical application of gambogic acid, a natural component with promising antitumor activity, is limited due to its extremely poor aqueous solubility, short half-life in blood, and severe systemic toxicity. (dovepress.com)
  • In an article appearing this week in the Journal of Chemical Physics ( 'Droplet-like heterogeneity of aqueous tetrahydrofuran solutions at the submicrometer scale' ), a research team that included scientists from four different Moscow institutions used THF, which has infinite solubility in water and which, in aqueous solutions of low THF concentrations, allows observation of abnormally high scattering of light due to the spontaneous formation of some heterogeneous centers. (nanowerk.com)
  • In the initial stage, we used OmpF as a model system due to its high stability, yield and solubility in aqueous solutions to determine the neutron structure at a later stage. (lu.se)
  • Magnetite (Fe 3 O 4 ) particles are precipitated by combining FeCl 3 and FeCl 2 in a 2:1 stoichiometric ratio in aqueous ammonia solution. (acs.org)
  • Pure hydrogen peroxide is a crystalline solid below 12 °F and a colorless liquid with a bitter taste above 12 °F. It is almost always used as an aqueous solution, which is available in dilute form (3% to 10%) for household use and in concentrated form (greater than 30%) for industrial use. (cdc.gov)
  • used commonly in aqueous solution. (cdc.gov)
  • The WTR nanoparticles demonstrated high removal efficiency for Cd from aqueous solution as the adsorption capacities of nWTR were 17 and 10 times higher than those of bulk WTR in single- and multielement systems, respectively. (hindawi.com)
  • Proton transfer conductance in aqueous solution. (typeset.io)
  • In this paper, the electrical conductivity of aqueous solution of KOH, NaOH and LiOH was investigated and it was shown that with increasing concentration there is a transition in the primary mechanism of conductance in these solutions from the proton transfer mechanism to the hydrodynamic mechanism. (typeset.io)
  • Copper nanoparticles (NPs) with an average particle diameter of 50-60 nm were successfully obtained by reducing an aqueous solution of a copper(II)-nitrilotriacetic acid complex with an aqueous hydrazine solution at room temperature under an air atmosphere. (elsevierpure.com)
  • The microstructure of ZnO films synthesized from low-temperature (90 C) aqueous solution on (111) MgAl 2 O 4 single crystal substrates was characterized by X-ray diffraction, high-resolution scanning electron microscopy, conventional and high-resolution transmission electron microscopy. (iucc.ac.il)
  • It is almost always used as an aqueous solution, which is available in dilute form (3% to 10%) for household use and in concentrated form (greater than 30%) for industrial use. (cdc.gov)
  • Changes in density of aqueous solutions with changes in concentration at 20°C. Density of inorganic chlorides in water is plotted as function of wt%, mol/kg water and mol/l solution. (engineeringtoolbox.com)
  • Changes in density of aqueous solutions with changes in concentration at 20°C. Density of acetic acid, citric acid, formic acid, D-lactic acid, oxalic acid and trichloroacetic acid in water is plotted as function of wt%, mol/kg water and mol/l solution. (engineeringtoolbox.com)
  • The present study demonstrated the one example of biologically important and molecular self-assembly system is a collagen-DNA ordered aggregates which spontaneously forms in aqueous solution. (scialert.net)
  • According to the molecular model (Mrevlishvili and Svintradze, 2005b) DNA containing well-arranged phosphate groups helps to make this complex and these groups and water layers play key roles during collagen-DNA ordered aggregation in aqueous solution. (scialert.net)
  • A dilute aqueous solution of H 2 SO 4 (Solution A) is to be mixed with a solution containing 90.0 wt% H 2 SO 4 (Solution B) to produce a 75.0 wt% solution (Solution C). The flow rate and concentration of Solution A change periodically, so that it is necessary to adjust the flow rate of Solution B to keep the product H 2 SO 4 concentration constant. (bartleby.com)
  • A dilute aqueous solution of H 2 SO 4 (Solution A) is to be mixed with a solution containing 90.0 wt% H 2 SO 4 (Solution B) to produce a 75.0 wt% solution (Solution C). (bartleby.com)
  • Little is known about the chemistry of mixing saline solution and CO₂ at high pressures and temperatures. (eurekalert.org)
  • Cool the solution to room temperature. (kumc.edu)
  • 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)
  • 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)
  • In this work, structural and physical properties of colloids are investigated under variation of parameters such as pH, ionic strength, and temperature, where aggregation and cluster formation can be monitored in aqueous solution. (lu.se)
  • Surfactants prepared by chemical modification of bile salts, e.g. sodium cholate derivatives, show a rich self-assembly in aqueous solution. (lu.se)
  • Energetic and thermodynamical aspects of the cyclodextrins-cannabidiol complex in aqueous solution: a molecular-dynamics study. (bvsalud.org)
  • They used laser light as a tool in two ways, dynamic light scattering and phase microscopy, that allowed them to demonstrate the existence of stable nanodroplets of tetrahydrofuran (THF) in the bulk of aqueous electrolyte solutions and to develop a new theory that explains the spontaneous generation of heterogeneous nanoparticles in aqueous solutions of polar organic solutes in terms of nanodroplet formation due to "twinkling" hydrogen bonds. (nanowerk.com)
  • Various infrared spectroscopic parameters were used to study the pressure and temperature induced phase transitions in aqueous sodium alkenoates. (canada.ca)
  • Using this technique, they studied different isotopes (or versions) of sodium chloride, allowing new insight into the way salty water behaves under different sets of pressure and temperature conditions. (eurekalert.org)
  • Sodium hypochlorite is unstable in aqueous solutions. (europa.eu)
  • This because most of the studies were carried out in the 70's and 80's and were tailored to answer specific questions such as, for example the efficacy of sodium hypochlorite as biofouling agent, the effect of temperature stress and/or of intermittent exposure of very short pulse additions of hypochlorite. (europa.eu)
  • Thermodynamic properties such as apparent molar volume, 𝐯φ and apparent molar isentropic compressibility, 𝑘 ⱷ𝓈 for aqueous solutions of glycine, histidine, and valine in nortriptyline corresponding measured their density as well as speed of sound at T = (305.15, 310.15, and 315.15) K were computed. (pcbiochemres.com)
  • With increasing concentration of KOH the Walden product becomes more nearly independent of temperature and pressure. (typeset.io)
  • The obtained results point out the strong interaction by hydrogen bonds forming the so-called iceberg clusters of hydroxylated molecules at low concentration of n-hexane, a slight influence of temperature being observed. (url.edu)
  • The trends in the behaviour of kappa(s), Delta kappa(s) and Delta kappa(s/)kappa(0) with changes in the concentration of amino acids/zwitterions as well as in temperature have been discussed in terms of zwitterions-ions, zwitterions-water dipoles, ions-ions, ions-water dipoles intermolecular/interionic interactions operative in the said systems. (ua.pt)
  • These conditions include a very low ionic strength (the particles are weakly charged), a relatively high temperature, and a low particle concentration. (lu.se)
  • This table lists the ionic species that are most likely to be present, depending on pH, in aqueous solutions of binary salts of metal ions. (wikipedia.org)
  • 6 ] reported metal sorption onto biomasses to have substantial capacities for metal ions removal from aqueous media with good recoveries and regeneration of biosorbents in noncompetitive media. (hindawi.com)
  • This research systematically addresses the challenges associated with acquiring operando ATR-IR spectra for liquid/aqueous phase reactions, which is essential for better understanding of chemical reactions in the liquid phase. (uu.nl)
  • It is demonstrated that thermodynamic parameters such as the critical micellization temperature or the critical coagelization pressure, as well as the structural changes that occur at these phase transitions, can be readily obtained with the state-of-the-art FT-IR technique. (canada.ca)
  • Combining dynamic light scattering with a novel experimental technique called laser phase microscopy that can measure the refractive index of nanometer-scale objects in liquids in addition to their sizes, allowed them to determine that the nanodroplets being observed in aqueous mixtures of THF at low concentrations basically consist of pure THF. (nanowerk.com)
  • Remove final aqueous phase and place into a fresh microcentrifuge tube. (kumc.edu)
  • The next phase of this work is devoted to the study on capillary induce phase transitions with an experimental focus on polymer solutions containing PNIPAM at the presence of hydrophobic surfaces (mesoporous silica) as a function of pH, temperature and chain length. (lu.se)
  • To systematically characterize the role of silicone oil on protein aggregation, the effects of agitation, temperature, pH, and ionic strength on silicone oil-induced loss of monomeric anti-streptavidin IgG 1 antibody were examined. (nih.gov)
  • We could detect a non-monotonic temperature dependent aggregation of particles from attraction to repulsion to attraction, where the polymer-mediated interactions were repulsive. (lu.se)
  • As a result of this intense interaction, sharp separations of n-hexane + methanol mixtures by extraction are possible at low temperature and small quantities of solvent. (url.edu)
  • Correlations for fuel oils density and temperature are calculated by use of tools based on ASTM D 1250-04 and IP 200/04 (API Manual of Petroleum Measurement Standards, Chapter 11- physical properties Data, Section 1:Temperature and pressure volume correction factors for generalized crude oils, refined products and lubricating oils). (engineeringtoolbox.com)
  • Volume correction factors can be used to calculate the volume of a product at base temperature (15°C/59°F) if you know the density and volume at another temperature. (engineeringtoolbox.com)
  • Or, if you know the base volume and density, you can use the volume correction factor to calculate the volume at another temperature. (engineeringtoolbox.com)
  • In the Density vs temperature figure(°C), you se that the light blue line represent this fuel oil. (engineeringtoolbox.com)
  • A comparative study for the production of OmpF was done considering various parameters such as temperature, media, optical density at wavelength of 600 nm and inducing conditions by Isopropyl -D-1-thiogalactopyranoside (IPTG). (lu.se)
  • 3] Pal A, Chauhan N. Densities, speeds of sound and viscosities of L-alanine in aqueous fructose, maltose and lactose solutions at different temperatures. (pcbiochemres.com)
  • Add an equal volume of isopropanol at room temperature and invert the tube several times until a precipitate forms. (kumc.edu)
  • Add 1ml of 70% ethanol (room temperature) to rinse pellet, centrifuge 12,000 rpm for 1 minute. (kumc.edu)
  • Both bulk water and aqueous solutions of apolar solutes behave anomalously at low temperatures for reasons that are not fully understood. (lu.se)
  • For all four solutes, we find that water rotates with lower activation energy in the hydration shell than in bulk water below 255 ( 2 K. At still lower temperatures, water rotation is predicted to be faster in the shell than in bulk. (lu.se)
  • Furthermore, by ensuring that the ionic strength is very low, with a Debye length similar to the particle size, we could use temperature to control the hydrophobicity of the grafted PEG layer, and thus the strength of the short-ranged attraction. (lu.se)
  • The range of electrostatic interactions is adjusted by the ionic strength, and the strength of the short-ranged attraction is changed via hydrophobicity regulation of the grafted layer through temperature variation. (lu.se)
  • Climate change scenarios predict increases in temperature and organic matter supply from land to water, which affect trophic transfer of nutrients and contaminants in aquatic food webs. (nature.com)
  • They are planning to carry out similar experiments with aqueous solutions of organic liquids from the furan group which has different polarizability and dipole moments, and with solutions of water isotopes (H 2 0, D 2 0 and deuterium depleted water) that have different energies of intermolecular hydrogen bond and to explore the role of dissolved gas. (nanowerk.com)
  • Industrial-level concentrations of the aqueous and organic constituents were used in this work. (cdc.gov)
  • This paper contains the results of a new experimental study of liquid-liquid equilibrium (LLE) as a function of temperature for the ternary mixture n-hexane + methanol + water under atmospheric conditions. (url.edu)
  • The experimental pH and temperature have an important role in the evaluation of aquatic toxicity data as they determine the chemical species present. (europa.eu)
  • In the present study, we aimed to investigate the effects of continuous intake of aqueous extract from I. obliquus on tumor suppression. (researchgate.net)
  • Through a time-resolved polarized neutron scattering investigation, we extract key parameters, size and shape of the ice crystallites, fraction of water that crystallizes, and crystallization time, which are important for cryoprotection, as a function of the annealing temperature. (cea.fr)
  • Extract the aqueous supernatant once with buffered phenol (1 volume) and twice with phenol: chloroform: isoamyl alcohol (24:25:1 volume) shaking vigorously for 30 seconds and centrifuging at 12,000 rpm for 3 minutes for each extraction. (kumc.edu)
  • Non-aqueous precipitating amine systems for carbon capture allows for CO 2 desorption at lower temperatures than conventional aqueous amine systems and can potentially reduce the energy requirement for regeneration. (lu.se)
  • Finally, we propose a rule of thumb to estimate the lower temperature limit belowwhich water crystallization does not occur in aqueous solutions. (cea.fr)
  • While substantial effort is focused on preventing moisture interaction during the fabrication process, it is demonstrated that low moisture sensitivity, enhanced crystallization, and high performance can actually be achieved by exposure to high water content (up to 25 vol%) during fabrication with an aqueous-containing perovskite precursor. (osti.gov)
  • The computed coexistence curves were very asymmetrical with respect to n-alkane + water composition at low operation temperature. (url.edu)
  • In water, the hypochlorite ion is in equilibrium with hypochlorous acid, the ratio of each species being pH and temperature dependent. (europa.eu)
  • The formation of tubules occurs around body temperature and the tubules are further investigated using water-diffusion NMR. (lu.se)
  • This paper describes a simple synthesis of an aqueous-based ferrofluid that may be used in an introductory science or engineering laboratory. (acs.org)
  • An aqueous metal ion capacitor comprising of a zinc anode, oxidized carbon nanotubes (oCNTs) cathode, and a zinc sulfate electrolyte is reported. (frontiersin.org)
  • The resulting particles, ~10-20 nm in diameter based on powder X-ray diffraction, are then treated with aqueous tetramethylammonium hydroxide, which acts as a surfactant. (acs.org)
  • were studied for competitive and noncompetitive removal of aqueous Cd 2+ and Pb 2+ . (hindawi.com)
  • Therefore, in recent decades researchers have intensively studied low cost alternative methods of removal of trace metals from aqueous media using natural materials which are biodegradable, renewable, and environmental friendly. (hindawi.com)
  • Interestingly, I. obliquus intake decreased body weight in middle-aged mice and increased body temperature in response to light-dark switching in mature adult mice. (researchgate.net)
  • This work is performed using a combination of experiments and theories where a shift to the LCST (lower critical separation temperature) is presumed to occur, resulting in a capillary-induced decrease in the LCST. (lu.se)
  • At 80 °C formation of the tentatively assigned species 4,4-dimethyl-1,3-oxazolidin-2-one was observed, indicating that thermal degradation of AMP may occur above this temperature. (lu.se)
  • In this paper is demonstrated that one example of the biologically important and molecular self-assembling complex system is a collagen-DNA ordered aggregates spontaneously formed in aqueous solutions. (scialert.net)
  • We quantified the energetic aspects, for different thermal conditions, in which both aqueous solutions interact with CBDs and CDs and the CBD-CDs complex itself. (bvsalud.org)
  • The perovskite solar cells fabricated by this aqueous method show good reproducibility of high efficiency with average power conversion efficiency (PCE) of 18.7% and champion PCE of 20.1% under solar simulation. (osti.gov)
  • A combination of chemicals was created that could help electric cars power their way through the extreme temperatures that degrade the efficiency of current lithium-ion batteries. (techbriefs.com)
  • We observed an almost constant number of lactate molecules forming clusters without exhibiting a temperature dependence. (bvsalud.org)
  • The diagrams below can be used to estimate fuel oil densities at other temperatures than specified. (engineeringtoolbox.com)
  • We also characterize the nature of the out-of-equilibrium liquid phases that are present at low temperature, providing more arguments against the presence of an isocompositional liquid-liquid transition. (cea.fr)
  • Voltage-gated proton channels represent a specific subset of proton channel that have voltage- and time-dependent gating like other ion channels, but differ from most ion channels in their extraordinarily high selectivity, tiny conductance, strong temperature and deuterium isotope effects on conductance and gating kinetics, and insensitivity to block by steric occlusion. (typeset.io)
  • Both instruments thrive in harsh environments and automatically compensate for external influences such as humidity, altitude, and ambient temperature. (anton-paar.com)
  • Measurements of the electrical conductivity of aqueous solutions of KOH, NaOH and LiOH are presented within the ranges 25-200°C, 1-3000 atm and 0.1-6.68 molal. (typeset.io)
  • However, they differ from most ion channels in their extraordinarily high selectivity, tiny conductance, strong temperature and deuterium isotope effects on conductance and gating kinetics, and insensitivity to block by steric occlusion. (typeset.io)
  • The pollution of the aqueous environmental resources subsequently affects life processes. (hindawi.com)
  • Despite there being a widely accepted recognition that increases in temperature and tDOM will be occurring, there is little knowledge on how effects of warming and/or browning will affect the dietary quality of aquatic resources, particularly from an ecotoxicological point of view. (nature.com)
  • To be sure you have used the correct figure for correction factors, the easy rule is that the volume increases with increasing temperature. (engineeringtoolbox.com)
  • ISENH4181 is a digital, combination ammonium ion selective electrode (ISE) with a non-refillable, double junction reference and built-in temperature sensor. (globalspec.com)
  • ISEF121 is a digital, combination fluoride ion selective electrode (ISE) with a non-refillable, single junction reference and built-in temperature sensor. (globalspec.com)
  • The aqueous hybrid ZIC comprising the oCNT cathode exhibited a specific capacitance of 20 mF cm −2 (corresponding to 53 F g −1 ) in the range of 0-1.8 V at 10 mV s −1 and a stable cycling performance up to 5000 cycles. (frontiersin.org)
  • Consequently, there is an urgent need to search for environmental friendly alternative aqueous metal-ion capacitors. (frontiersin.org)
  • Conquer your regimen with the TYR Base Kinetic™ Women's High-Rise 2" Shortss - Aqueous. (tyr.com)
  • Overall, CBD achieved partial encapsulation considering α-CD and ß-CD, showing a temperature dependence, while γ-CD remained fully immersed no matter the thermal level assumed. (bvsalud.org)