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Journal articles on the topic 'Molar concentrations'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Johnson, D. C., L. Orlowitz, and B. M. Hitzig. "Differences between CSF and plasma Na+ and K+ activities and concentrations." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 248, no. 5 (1985): R621—R626. http://dx.doi.org/10.1152/ajpregu.1985.248.5.r621.

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[Na+] and [K+] determined by ion-selective electrodes (ISE) by direct potentiometric determination were compared with those obtained by flame photometry in plasma and in cisternal cerebrospinal fluid (CSF) obtained from pentobarbital-anesthetized dogs. Comparisons of pre- and postanesthesia values showed no change in plasma [Na+] but a 5% fall in plasma [K+]. CSF and plasma Na+ activities were identical, indicating that Na+ does not contribute to the potential difference between them. CSF K+ activity was 74% of that in plasma. The CSF-to-plasma molar and molal ratios differed from the activity

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2

Kohman, Truman P. "Molar and equivalent amounts and concentrations." Journal of Chemical Education 64, no. 3 (1987): 246. http://dx.doi.org/10.1021/ed064p246.

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3

C. da Silva, Débora A., Manuel J. Pinzón C., Andresa Messias, et al. "Effect of conductivity, viscosity, and density of water-in-salt electrolytes on the electrochemical behavior of supercapacitors: molecular dynamics simulations and in situ characterization studies." Materials Advances 3, no. 1 (2022): 611–23. http://dx.doi.org/10.1039/d1ma00890k.

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Molecular configurations of the 1.0 mol dm−3 and 8.0 mol dm−3 NaClO4 aqueous electrolytes, and shear viscosity and ionic conductivity as a function of the molar and molal concentrations of NaClO4 aqueous solutions.

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4

Femi-Akinlosotu, Omowumi M., Olakayode O. Ogundoyin, and Morenike A. Akintola. "The role of fluoride on eruption of mandibular molar of albino rats." Anatomy Journal of Africa 9, no. 1 (2020): 1752–61. http://dx.doi.org/10.4314/aja.v9i1.15.

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Eruption of the tooth is a complex and highly regulated process which can be influenced by genetic, environmental and systemic factors. Fluoride is found naturally in water as well as in foods and dental products. The first mandibular molar is the first molar to erupt and it is essential for mastication of food. We studied the effect of fluoride on the eruption of the first mandibular molar in albino rats. Fluoride at different concentrations was added to the water of pregnant albino rats while sterile water without fluoride was given to the control pregnant dams. The pregnant dams were allowe

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Ibrahim, Sundus S., Ziad T. Khodair, and Adnan A. Mohammed. "Effect of Molar Concentration on the Structural and Optical Properties of the Cd2SnO4 Thin Films." NeuroQuantology 20, no. 2 (2022): 129–36. http://dx.doi.org/10.14704/nq.2022.20.2.nq22080.

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In this paper, cadmium stannate (Cd2SnO4) thin films at four different molar concentrations (1:1, 2:1, 3:1, and 4:1) were prepared at a temperature of (400 oC) using a chemical spray pyrolysis technique and have a thickness of about 400±10 nm. XRD patterns of the prepared thin films showed that the thin films have both a polycrystalline and a cubic structure. FE-SEM and AFM were used to investigate the surface morphology of Cd2SnO4 thin films. The measurement of absorbance and transmittance spectra for films in the range of 300–900 nm was part of the optical properties research. The effect of

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Oyebisi, Solomon, Joseph Akinmusuru, Anthony Ede, Olatokunbo Ofuyatan, Grace Mark, and John Oluwafemi. "14 Molar Concentrations of Alkali-Activated Geopolymer Concrete." IOP Conference Series: Materials Science and Engineering 413 (September 10, 2018): 012065. http://dx.doi.org/10.1088/1757-899x/413/1/012065.

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Afrah, Bazlina Dawami, Novia Novia, Lia Cundari, Jihan Utami, Siti Istiani Pratiwi, and Muhammad Yori Pratama. "Phenol Concentration in Liquid Smoke Production from Rubberwood by Experiment and Simulation with CFD Modeling." Journal of Advanced Research in Applied Mechanics 128, no. 1 (2024): 96–104. https://doi.org/10.37934/aram.128.1.96104.

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Liquid smoke is produced through condensation resulting from the pyrolysis process of rubberwood, without the presence of oxygen. One of the dominant contents of liquid smoke products is phenol. Therefore, this study aimed to examine the molar concentration of simulated liquid smoke and the comparison between the experimental and simulated molar concentrations. The simulation used Ansys Fluent 19.2, a Computational Fluid Dynamics (CFD) program using the finite volume method in its solution. The several stages in completing Ansys simulation include pre-processing, meshing, processing, and post-

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Scarparo, HC, RN Maia, EA dos Santos Filho, et al. "Plasma mepivacaine concentrations in patients undergoing third molar surgery." Australian Dental Journal 61, no. 4 (2016): 446–54. http://dx.doi.org/10.1111/adj.12410.

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9

B. Ananda Kumar, S. Saravanan, K. Ramanjaneyulu, and S. B. Ronald. "Morphological Controlled BaSO4 Nanostructures by Solvents and Molar Concentrations." Journal of Environmental Nanotechnology 13, no. 4 (2024): 20–26. https://doi.org/10.13074/jent.2024.12.243858.

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The aim of the present work is to synthesize environmentally friendly nanomaterials, which are viable and better alternative method for distinct applications. The co-precipitation method is used for the preparation of BaSO4 nanostructures with the influence of Azedarach indica leaf extracts as organic stabilizing agents. For synthesizing nanostructures, two different solvents (Ethanol and deionized water) were taken along with distinct molar concentration (0.05 and 1.0 M) are investigated by various characterization techniques. Initially, the XRD pattern revealing the orthorhombic phase struct

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10

Engelhardt, Elizabeth L., Josef Neu, Mira B. Sankar, Phyllis A. Gimotty, and Jay W. Meyer. "Changes in Phospholipid and Cholesterol Concentrations of the Rat Microvillus Membrane During Maturation." Journal of Pediatric Gastroenterology and Nutrition 9, no. 1 (1989): 89–93. http://dx.doi.org/10.1002/j.1536-4801.1989.tb09826.x.

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Summary:We studied the cholesterol and phospholipid content and the cholesterol‐to‐phospholipid molar ratio of the small intestinal microvillus membrane in fetal, weanling, and adult rats. We also investigated the effect of glucocorticoid administration on these lipids and the ontogeny of 1,2‐diglycerol‐CDP choline phosphocholine transferase (PCT). Cholesterol and phospholipid concentrations decreased with maturation, phospholipids declining more than cholesterol. Thus, the cholesterol‐to‐phospholipid molar ratio rose with maturation. A similar decline was seen with PCT activity. Glucocorticoi

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11

Srivind, J., V. S. Nagarethinam, and A. R. Balu. "Optimization of S:Sn precursor molar concentration on the physical properties of spray deposited single phase Sn2S3 thin films." Materials Science-Poland 34, no. 2 (2016): 393–98. http://dx.doi.org/10.1515/msp-2016-0035.

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AbstractNanoneedle structured Sn2S3 thin films were prepared by spray pyrolysis technique from aqueous solutions of tin (II) chloride and thiourea, keeping the molar concentrations of S:Sn = 0.01:0.01, 0.02:0.02, 0.03:0.03 and 0.04:0.04 in the starting solutions. XRD studies reveal that all the films exhibit orthorhombic crystal structure with a preferential orientation along the [2 1 1] direction. The peak intensity of the (2 1 1) plane is found to be maximum for the film coated with 0.02:0.02 S:Sn molar concentration which confirms the improved crystalline nature of this film. SEM images dep

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12

Zablotska, O., and N. Opanaschuk. "Reaction of winter wheat seedlings on the effect of trace elements (Cu2+, Zn2+, Na2+) in terms of water culture." Agroecological journal, no. 4 (November 13, 2015): 90–96. https://doi.org/10.33730/2077-4893.4.2015.318281.

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The analysis of the latest published works concerning the growth indices of winter wheat sprouts influenced by heavy metals has been carried out. The results of the research of cuprum, zinc and nickel ions (in molar concentration from 0.5 to 50.0 micromole per litre) influence on the growth and development of winter wheat crops in the conditions of water cultures are suggested. The generic peculiarities of wheat reaction to the increase of molar concentrations of theses heavy metals are singled out. The growth stimulating (Cu2+, Zn2+) and growth inhibiting (Cu2+, Ni2+) ion concentrations for t

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Somkid, Kanokwan, and Pailin Ngaotrakanwiwat. "Photocatalytic Reactions of Titanium Dioxide for Active Packaging Application." Applied Mechanics and Materials 313-314 (March 2013): 131–34. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.131.

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The adsorption and photocatalytic reactions of ethylene and oxygen were investigated by sol-gel routed TiO2 particles. The dependence of ethylene –free oxygen concentrations, oxygen-free ethylene concentrations and the molar ratio of C2H4:O2 in the gas mixture on adsorption and photocatalytic reaction rates were examined. The increase of ethylene –free oxygen concentrations or oxygen-free ethylene concentrations can enhance the adsorption rates while decreasing photoreaction rates. The presence of ethylene and oxygen can increase adsorption rates leading to enhance photocatalytic rates. The ph

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14

Stawerska, Renata, Joanna Smyczyńska, Maciej Hilczer, and Andrzej Lewiński. "Relationship between IGF-I Concentration and Metabolic Profile in Children with Growth Hormone Deficiency: The Influence of Children’s Nutritional State as well as the Ghrelin, Leptin, Adiponectin, and Resistin Serum Concentrations." International Journal of Endocrinology 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/5713249.

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Background. Some, however not all, children with growth hormone deficiency (GHD) reveal a tendency towards metabolic disorders. Insulin-like growth factor I (IGF-I) is the main mediator of GH anabolic effects. Objective. The aim of the study was to compare ghrelin, adiponectin, leptin, resistin, lipid, glucose, and insulin concentrations in GHD children, depending on the IGF-I bioavailability. Methods. The analysis comprised 26 children with GHD, aged 5.7–15.3 yrs. Fasting serum concentrations of IGF-I, IGFBP-3, ghrelin, leptin, adiponectin, resistin, lipids, glucose, and insulin were measured

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15

Kosik-Bogacka, Danuta, Natalia Osten-Sacken, Natalia Łanocha-Arendarczyk, et al. "Selenium and mercury in the hair of raccoons (Procyon lotor) and European wildcats (Felis s. silvestris) from Germany and Luxembourg." Ecotoxicology 29, no. 1 (2019): 1–12. http://dx.doi.org/10.1007/s10646-019-02120-3.

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AbstractThis study examined the concentration of total mercury (THg) and selenium (Se), as well as the molar ratio of Se:THg in hair samples of terrestrial animals. THg and Se concentrations were measured from the hair of raccoons (Procyon lotor) and European wildcats (Felis s. silvestris) from Germany and Luxembourg. Median THg concentrations in hair from raccoons and wildcats were 0.369 and 0.273 mg kg−1 dry weight (dw), respectively. Se concentrations were higher in the hair of raccoons than of wildcats (0.851 and 0.641 mg kg−1 dw, respectively). Total mercury concentration in hair of racco

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16

Rutgers, Carolien, Roger P. Stradley, and William A. Rogers. "Plasma amino acid analysis in dogs with experimentally induced hepatocellular and obstructive jaundice." American Journal of Veterinary Research 48, no. 4 (1987): 696–702. https://doi.org/10.2460/ajvr.1987.48.04.696.

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SUMMARY Plasma amino acid concentrations were determined weekly for 4 weeks in 6 sham-operated control dogs, in 6 sham-operated dogs after induction of liver disease with dimethylnitrosamine (dmna), and in 6 dogs after surgical ligation of the common bile duct. Results were compared with standard biochemical indices of liver function and with histologic changes in serial liver biopsy specimens. Concentrations of most amino acids increased after 2 weeks in dmna-treated dogs, whereas they were normal or decreased in bile duct-ligated dogs. With increasing severity of the liver disease, the molar

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17

Abubakar, A. W. ,., S. B. Sadiq, I. I. Dangora, and Fatima Y. Mu’azu. "Assessment of Pre-sowing treatments on germination and early growth of tamarind (<i>Tamarindus indica</i> L.)." Dutse Journal of Pure and Applied Sciences 9, no. 2a (2023): 225–31. http://dx.doi.org/10.4314/dujopas.v9i2a.22.

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Germination of seeds is often very difficult for many useful species principally because of dormancy. In other to achieve the aim of any regeneration programme, seed collection and germination must be taken into consideration. In view of this, germination and early growth assessment of Tamarindus indica L. were conducted to determine the suitable medium for germination and early growth. The viable seeds of the study species were treated with four concentrations of cow milk and four concentrations of coconut milk (1 molar, 2 molar, 3 molar and 4 molar) and five treatments at a time (14 hours) w

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18

Vural, Ufuk Sancar. "Excess Molar Viscosities and Excess Molar Gibbs Energies of The Mixtures of Tire Pyrolytic Oil + Diesel Fuel at 293.15 K and 303.15 K." International Journal of Thermodynamics, Erken Görünüm - Early Pub Issues (December 2, 2024): 1–6. https://doi.org/10.5541/ijot.1360067.

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Diesel-like fuel mixtures are obtained by blending the pyrolytic oil obtained from the pyrolysis of tires and diesel fuel. The excess thermodynamic properties of blended fuel mixtures give a preliminary idea about the transport, storage and combustion properties of the fuel mixture. In this study, pyrolytic oil and diesel fuel were mixed in different proportions at temperatures of 293.15 K and 303.15 K and their excess molar properties were determined. A positive deviation was observed in the excess molar volume and excess molar Gibbs energy values of the two-component mixture, and a negative

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19

Zdražilová, Pavla, Šárka Štĕpánková, Karel Komers, Karel Ventura, and Alexander Čegan. "Half-inhibition Concentrations of New Cholinesterase Inhibitors." Zeitschrift für Naturforschung C 59, no. 3-4 (2004): 293–96. http://dx.doi.org/10.1515/znc-2004-3-430.

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The power of chosen carbamates and hydrazinium derivatives (carbazates) to inhibit the hydrolysis of acetylthiocholine by butyrylcholinesterase or acetylcholinesterase was tested. The determined pI50 values (= negative logarithm of the molar concentration inhibiting the enzyme activity by 50%) of the tested substances were compared with pI50 values of the commercially used drugs for the Alzheimer’s disease treatment - rivastigmine and galanthamine.

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20

Schoeny, Harald, Evelyn Rampler, Dinh Binh Chu, et al. "Achieving Absolute Molar Lipid Concentrations: A Phospholipidomics Cross-Validation Study." Analytical Chemistry 94, no. 3 (2022): 1618–25. http://dx.doi.org/10.1021/acs.analchem.1c03743.

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21

Jones, Graham R. D., Stewart Bryant, Robert Fullinfaw, et al. "Mass or molar? Recommendations for reporting concentrations of therapeutic drugs." Medical Journal of Australia 198, no. 7 (2013): 368–69. http://dx.doi.org/10.5694/mja12.10366.

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22

Tanaka, Masahito, Tsuyoshi Hirajima, Keiko Sasaki, and Naoko Okibe. "Optimization of Bioscorodite Crystallization for Treatment of As(III)-Bearing Wastewaters." Solid State Phenomena 262 (August 2017): 555–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.555.

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Arsenic (As) is a major impurity contaminated in metal refinery wastewaters. To immobilize As ions, we have previously reported microbial scorodite (FeAsO4·2H2O) crystallization using the thermo-acidophilic iron-oxidizing archaeon, Acidianus brierleyi. In order to extend the applicable range of As (III)-bearing metal refinery wastewaters (especially for dilute As (III) concentrations of 250–1500 ppm), this study investigated the effect of several factors possibly affecting the bioscorodite crystallization efficiency; (i) [Fe (II)]ini/[As (III)]ini molar ratio at different target As (III) conce

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Dr, Raj Kumar Gupta. "Comparison of Concentrations of MMP2 and MMP9 in Aqueous Humor of Patients Suffering with Acute Primary Angle Closure Short Title: MMPs and acute primary angle closure." International Journal of Innovative Science and Research Technology 7, no. 9 (2022): 1180–84. https://doi.org/10.5281/zenodo.7312298.

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Objective- Inflammation with neovascularization leads to elevated intraocular pressure( IOP) which is only modified risk factor for acute primary angle closure ( APAC) caused by decreased aqueous humor outflow from the anterior chamber. The present study has been planned to compare the levels of MMPs in aqueous humor of patients with APAC and aimed to analyse the molar ratio of MMPs with respect to the other MMPs. Methods- Aqueous humor samples were collected from 46 healthy control persons ( non-glaucomatous) and 52 APAC patients undergoing cataract surgery. Molar concentrations of all the MM

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Jeganath, K., and Raviprakash Y. "Near-optimal composition of CZTS thin film via exploration of copper and thiourea molar concentration in spray pyrolysis technique." Materials Research Express 8, no. 11 (2021): 116404. http://dx.doi.org/10.1088/2053-1591/ac343e.

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Abstract Attaining the optimal composition of Cu2ZnSnS4 (CZTS) thin film is a pre-requisite for photovoltaic application. Herein, the near-optimal composition of spray pyrolyzed CZTS thin film has been obtained by varying copper and thiourea molar concentrations in the precursor solution. Different characterization techniques such as x-ray diffraction (XRD), UV–vis spectroscopy, Scanning electron microscopy (SEM) and Energy-dispersive x-ray spectroscopy (EDS) have been employed to determine the changes in absorber layer properties. The CZTS thin films synthesized using Cu-0.016 M exhibits high

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Elangovan, Sampandam. "Density, Ultrasonic Velocity, Isentropic Compressibility, Molar Volumes and Related Excess Parameters Studies on Ethyl Acetate with 1-Ethanol at 303K, 308K, and 313K." Material Science Research India 18, no. 2 (2021): 171–78. http://dx.doi.org/10.13005/msri/180205.

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A binary liquid mixture that consists of ethyl acetate and 1-ethanol has been prepared at various concentrations by the mole fraction method. The ultrasonic velocity and density have been determined at 303K, 308K and 313K. From the experimental data, the excess isentropic compressibility, excess molar volumes, excess internal pressures, and excess molar enthalpy have been computed. The variations were observed as polynomial and fitted to the Redlich-Kister polynomial functions. By using this function, adjustable parameters and the standard deviations have been calculated. The experimental and

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26

Polenov, Yuri V., Elena V. Egorova, and Konstantin S. Nikitin. "KINETICS OF THIOUREA DIOXIDE DECOMPOSITION IN WATER-ETHANOL-AMMONIA SOLUTION." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 8 (2019): 95–101. http://dx.doi.org/10.6060/ivkkt.20196208.5961.

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A stoichiometric mechanism for thiourea dioxide decomposition in water- ethanol-ammonia solution is proposed based on dependences of concentrations of thiourea dioxide over time and literature data. The concentration of thiourea dioxide was measured with iodometry, while the intermediates were qualitatively detected using the polarography. The set of the obtained data allows to consider that at low concentration of alcohol (approximately up to 0.1 molar ratio) the thiourea dioxide decomposition proceeds on the heterolytic mechanism with formation of sulfoxylic acid, and at high concentrations

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27

Radha, Rani Gupta, and Singh Mukhtar. "Densities and apparent molar volumes of oxalic acid in water and in aqueous solutions of sucrose at 293.15, 303.15, 313.15 and 323.15 K." Journal of Indian Chemical Society Vol. 84, Feb 2007 (2007): 184–87. https://doi.org/10.5281/zenodo.5814678.

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Department of Chemistry, Agra College, Agra-282 002, Uttar Pradesh, India <em>E-mail</em> : mukhtarsingh2003@rediffmail. com Manuscript received 18 May 2006, revised 28 November 2006, accepted 29 November 2006  Apparent molar volumes (V<sub>ф</sub>) of oxalic acid in water and in aqueous sucrose solutions with concentrations =(0.5-2.0) mol kg<sup>-1</sup> have been determined as a function of molality by measuring the densities at 293.15, 303.15, 313.15 and 323.15 K. From these data the limiting apparent molar volume (<em>v</em><sup>o</sup><sub>ф</sub>), which is equal to the partial mola

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28

Beggas, Azzeddine, Z. Becer, R. Ahmim, and Mohamed Salah Aida. "Structural and Optical Properties of PbS Thin Films Deposited by Chemical Bath." Defect and Diffusion Forum 397 (September 2019): 125–40. http://dx.doi.org/10.4028/www.scientific.net/ddf.397.125.

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The lead sulfur (PbS) as thin films were deposited on ordinary glass slides, for different deposition times ranging from 30 to 90 min, and for different molar concentrations of lead nitrate (0.01, 0.05, 0.075 and 0.1) mol / l, at ambient temperature of 55 ° C, using thiourea and lead nitrate as source of S2- and Pb2+ ions respectively and TEA as complexing agent. For different deposition times, the films grow preferentially along (200) direction. With increase in deposition time, and at fixed molar concentration the transmittance remained less than 30% and the optical band gap value decreases

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29

Elmadhoun, B. M., G. Q. Wang, J. F. Templeton, and F. J. Burczynski. "Binding of [3H]palmitate to BSA." American Journal of Physiology-Gastrointestinal and Liver Physiology 275, no. 4 (1998): G638—G644. http://dx.doi.org/10.1152/ajpgi.1998.275.4.g638.

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Determination of the BSA-palmitate high-affinity binding constant ( K a) traditionally relied on the heptane-water partitioning technique. We used this technique to calculate K a for the BSA-[3H]palmitate complex, to determine if K a was independent of protein concentration, and to determine if the unbound [3H]palmitate concentration is constant at different BSA concentrations using constant BSA-to-palmitate molar ratios (range 1:1 to 1:4). After extensive extraction of non-[3H]palmitate radiolabeled substances, the heptane-to-buffer partition ratio, in the absence of BSA, was 702 ± 19 (mean ±

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30

Sorrentino, D., A. Zifroni, K. van Ness, and P. D. Berk. "Unbound ligand drives hepatocyte taurocholate and BSP uptake at physiological albumin concentration." American Journal of Physiology-Gastrointestinal and Liver Physiology 266, no. 3 (1994): G425—G432. http://dx.doi.org/10.1152/ajpgi.1994.266.3.g425.

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We have recently shown (D. Sorrentino, R.B. Robinson, C.-L. Kiang, and P.D. Berk. J. Clin. Invest. 84: 1325-1333, 1989) that, in a variety of isolated cell types, the uptake of oleate at physiological albumin concentrations is consistent with traditional pharmacokinetic theory (i.e., driven by unbound ligand). Lower albumin concentrations were associated with a deviant uptake pattern for which alternative theories have been proposed. Whether other classes of organic anions exhibit similar behavior is unknown. Therefore, we examined the effect of albumin on uptake of two widely studied organic

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Dhiaa M. Dahham, Baha'a A.M.Al Hilli1, and Alaa H. Ali2. "studying the effect of Rhodamine b concentration on the spectral properties." Journal of the College of Basic Education 29, no. 119 (2023): 21–19. http://dx.doi.org/10.35950/cbej.v29i119.10603.

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The effect of the molar concentration of Rhodamine B dye on optical absorption spectra and fluorescence spectra. The results show that the Absorption intensity increased and the fluorescence peaks are blue shifted as the dye molar concentration increased from 1 to 100 M. In addition, the results reveal an enhancement of the absorbance and ﬂuorescence intensity quenching is observed. The obtained ﬂuorescence quenching of the dye higher than 60µM has come from the collisional mechanism. The Beer-Lambert law governs absorbance at low concentrations. While the absorbance deviates from the Beer-Lam

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Pathak, R. N., Indu Saxena, Archna, and Anoop Kumar Mishra. "Study of the Influence of Alkyl Chain Cation-Solvent Interactions on Water Structure in 1,3-Butanediol-Water Mixture by Apparent Molar Volume Data." E-Journal of Chemistry 8, no. 3 (2011): 1323–29. http://dx.doi.org/10.1155/2011/394108.

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The densities of 1,3-butanediol-water mixtures and some tetraalkylammonium iodide salt solutions in these solvent mixtures at different concentrations (0.02 M-0.14 M) have been determined at 298.15 K using magnetic float densitometer technique. Then apparent molar volumes ΦVof the electrolytes in above solvent mixtures were calculated. The apparent molar volumes of transfer ∆ΦV° (tr) were also calculated and the ion-ion / ion- solvent interactions are then discussed on the basis of changes in the Masson's slope and apparent molar volumes of transfer data.

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Grobler, S. R., A. J. Louw, and R. J. Rossouw. "Surface Enamel Fluoride Concentrations of Different Types of Human Teeth in a High- and Near-optimal-fluoride Area." Journal of Dental Research 65, no. 6 (1986): 945–47. http://dx.doi.org/10.1177/00220345860650061801.

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The surface enamel (~ 4 μm) fluoride concentrations of different tooth types (11, 21, 22, 23, 24) were determined in 12-13-year-old children who were life-long residents in a naturally high (3.70 ppm) and in a near optimal (0.62 ppm) fluoride area. Enamel biopsies were taken by means of an acid-etch procedure, and the fluoride levels were measured with an adapted fluoride-ion-selective electrode. The enamel fluoride concentrations were related to the fluoride levels of the drinking water, and it appeared that the enamel fluoride concentrations of the different tooth types (except for the pre-m

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Rao, G. V. Gangadhara, and Shaik Babu. "Molecular Interactions of Piperidinium Based Ionic Liquids with Water/Alcohol at Different Temperatures." Asian Journal of Chemistry 33, no. 1 (2020): 195–202. http://dx.doi.org/10.14233/ajchem.2021.22977.

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In this experimental investigation, the thermodynamic fundamental parameters of density (ρ) and speed of sound(U) were calibrated for aqueous solution/alcoholic (1-propanol and 2-propanol) solutions of piperidinium based ionic liquids of 1-butyl-1-methylpiperidinium tetrafluoroborate (BMPiBF4) in various concentrations within temperatures from 303.15 to 313.15 K. From these experimental determined values, various thermodynamic acoustic parameters of excess molar isentropic compressibility (KE s,m), excess molar volume (VE m) are expressed in specific and non-specific molecular interactions. Mo

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Mustafa Y.Ali, Alaa Y. Ali, and Abdullah M.Ali. "Effects of increasing molar concentration on cadmium dioxide (CdO) nanoparticles prepared by chemical Bath deposition (CBD)." Tikrit Journal of Pure Science 27, no. 5 (2022): 76–83. http://dx.doi.org/10.25130/tjps.v27i5.20.

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Polycrystalline thin films were prepared from CdO nanoparticles in the chemical Bath deposition (CBD) with different molar concentrations at (0.01, 0.03, 0.05, 0.07) M. In order to obtain the best results, the structural and optical properties of CdO films were studied under the influence of increasing molar concentration, the results of the absorbance measurements there showed a change in the absorbance spectrum of the (CdO) films upon the increase in the molar concentration in the deposition, The value of the absorbance is within the limits of short wavelengths and where the absorbance

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Numan, Arshid, Navaneethan Duraisamy, Fatin Saiha Omar, Y. K. Mahipal, K. Ramesh, and S. Ramesh. "Enhanced electrochemical performance of cobalt oxide nanocube intercalated reduced graphene oxide for supercapacitor application." RSC Advances 6, no. 41 (2016): 34894–902. http://dx.doi.org/10.1039/c6ra00160b.

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Valdes, R., and J. J. Miller. "Importance of using molar concentrations to express cross-reactivity in immunoassays." Clinical Chemistry 41, no. 2 (1995): 332–33. http://dx.doi.org/10.1093/clinchem/41.2.332.

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Z.Yamlahi, Alami, Salem2 M. Gaidi M., and J.Elkhamkhami. "Effect of Zn Concentration On Structural and Optical Proprieties Of ZNO Thin Films Deposited By Spray Pyrolysis." Advanced Energy: An International Journal (AEIJ) 2, no. 4 (2023): 14. https://doi.org/10.5281/zenodo.7568087.

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ZnO thin film were deposited by spray pyrolysis on glass substrates, using zinc nitrate as precursor with different molar concentrations varying from 0.05M to 0.2 M. To study the structural proprieties of the film , the different technique was used as the X-ray diffraction, atomic force microscopy (AFM), Raman scattering , and FTIR . The optical properties were explored by transmission, reflectivity and Photoluminescence techniques. The ZnO thin films obtained in this paper are polycrystallines, the grain size increases when the molar concentration of Zn precursor was increasing. The films are

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Al-Hamzah, Ali A., Christopher M. Fellows, and Osman A. Hamed. "Methallylsulfonate Polymeric Antiscalants for Application in Thermal Desalination Processes." Polymers 16, no. 19 (2024): 2838. http://dx.doi.org/10.3390/polym16192838.

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Nine copolymers of acrylic acid and sodium methallyl sulfonate were tested as scale inhibitors in thermal desalination. The nine antiscalants covered molar masses between 2000 and 9500 g.mol–1 and concentrations of sulfonated monomer ranging between 10 and 30 mole percent. A pressure measurement and control (P-MAC) unit and a high-temperature pressurized vessel were used to measure the effectiveness of the scale inhibitors in seawater, concentrated seawater, and model solutions at 125 °C. The effectiveness of the novel copolymers was comparable to commercial antiscalant at times up to 15 min a

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Hur, Do Haeng, Jeoh Han, and Jun Choi. "Molar Ratio Effect of Sodium to Chloride Ions on the Electrochemical Corrosion of Alloy 600 and SA508 in HCl + NaOH Mixtures." Materials 13, no. 8 (2020): 1970. http://dx.doi.org/10.3390/ma13081970.

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This study aims to investigate the molar ratio effect of sodium to chloride ions on the corrosion of an Alloy 600 steam generator tube and an SA508 tubesheet material. The corrosion behavior was evaluated in solutions with three different molar ratios of sodium to chloride ions using a potentiodynamic polarization method. The corrosion potentials and corrosion rates of both the two materials were significantly decreased as the molar ratio increased from 0.1 to 10. Therefore, it is recommended that the molar ratio control to a value of 1 is beneficial only when the crevice chemistry has a low m

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Kamesui, Go, Kei Nishikawa, Mikito Ueda, and Hisayoshi Matsushima. "Correlation between Electrolyte Concentration and Lithium Morphology during Lithium Bis(fluorosulfonyl)amide–Tetraglyme Electrolyte Deposition–Dissolution Reactions." Journal of The Electrochemical Society 171, no. 10 (2024): 100507. http://dx.doi.org/10.1149/1945-7111/ad803d.

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Electrodeposition and chemical dissolution reactions of Li are strongly affected by the electrolyte concentration at the electrode surface. In this study, we investigated the processes involved in the formation of Li deposits at various electrolyte concentrations and different numbers of deposition–dissolution cycles. Growth of the deposits during the cycles was assessed using a digital microscope. The thickness of the fibrous layer was strongly dependent on the electrolyte solute–solvent molar ratio. The thickness of the fibrous layer increased as the number of cycles increased when the elect

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Ghazoyan, Heghine H. "VOLUMETRIC PROPERTIES OF ACRYLONITRILE+ETHANOL MIXTURE OVER TEMPERATURE RANGE FROM (293.15 TO 323.15) K AT AMBIENT PRESSURE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 2 (2020): 32–37. http://dx.doi.org/10.6060/ivkkt.20206302.6068.

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Densities of binary mixture of acrylonitrile in ethanol have been measured over the full range of compositions at temperatures from 293.15K to 323.15 K at the ambient pressure (87.9 kPa). The volumetric properties such as excess molar volumes, apparent molar volumes, partial molar volumes, excess partial molar volumes, standard partial molar volumes for binary mixture were calculated. Excess molar volumes were described by the Redlich–Kister polynomial equation. The Redlich–Kister coefficients and the standard deviations were calculated as well. The excess molar volumes exhibit mainly negative

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Upadhyay1, Ghanshyam, Bablu Kumar2, Ajendra Kumar3, and Rajesh Ranjan P. "Acoustical Properties of multicomponent Solutions (Sucrose-Citric Acid-Water)." Asian Journal of Organic & Medicinal Chemistry 4, no. 4 (2022): 277–79. http://dx.doi.org/10.14233/ajomc.2019.ajomc-p212.

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This paper studies the acoustical properties of multicomponent solutions (sucrose-citric acid-water). The ultrasonic velocities of the ternary solution have been measured at different concentrations at 40 ºC. The experimental values of ultrasonic velocity have been utilized to calculate other acoustical parameters such as the adiabatic compressibility, acoustic impedance, molar sound velocity, intermolecular free length, apparent molar and molar sound compressibilities. The ultrasonic velocities of the multicomponent solutions increase with the increase in the concentration of its any individu

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Jasim, R. I., E. H. Hadi, A. A. Mansour, et al. "Sensing of nanostructured CdS thin films via several solution concentrations." Chalcogenide Letters 22, no. 1 (2025): 43–55. https://doi.org/10.15251/cl.2025.221.43.

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Using chemical bath deposition (CBD) methods and various molarities, nanostructured CdS thin films were developed. XRD assured that these films were cubic polycrystalline, containing larger grains as the solution's concentration of cadmium ions increased. Dislocation density values dropped from 79.32 to 62.90 as a result, nevertheless. Also, the strain is lowered from 30.88 to 27.50. AFM results demonstrate that these films suffer a decrease in the value of average particle size, root mean square, and roughness with the molarity concentration. SEM images show CdS thin films at various molariti

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van Loon, Willem M. G. M., Femke G. Wijnker, Marcel E. Verwoerd, and Joop L. M. Hermens. "Quantitative Determination of Total Molar Concentrations of Bioaccumulatable Organic Micropollutants in Water Using C18Empore Disk and Molar Detection Techniques." Analytical Chemistry 68, no. 17 (1996): 2916–26. http://dx.doi.org/10.1021/ac951136w.

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Chandler, WL, SL Trimble, SC Loo, and D. Mornin. "Effect of PAI-1 levels on the molar concentrations of active tissue plasminogen activator (t-PA) and t-PA/PAI-1 complex in plasma." Blood 76, no. 5 (1990): 930–37. http://dx.doi.org/10.1182/blood.v76.5.930.930.

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Abstract We determined the in vivo molar concentrations of active tissue plasminogen activator (t-PA), active plasminogen activator inhibitor type 1 (PAI-1), and t-PA/PAI-1 complex. t-PA activity was measured in plasma stabilized by immediate acidification. PAI-1 activity and t- PA/PAI-1 complex antigen were measured in citrated plasma; these measurements were corrected for the loss in PAI-1 activity and increase in complex that occurs in unacidified plasma samples due to the continued reaction between t-PA and PAI-1 after the sample was drawn. To convert t-PA and PAI-1 activity measurements i

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Chandler, WL, SL Trimble, SC Loo, and D. Mornin. "Effect of PAI-1 levels on the molar concentrations of active tissue plasminogen activator (t-PA) and t-PA/PAI-1 complex in plasma." Blood 76, no. 5 (1990): 930–37. http://dx.doi.org/10.1182/blood.v76.5.930.bloodjournal765930.

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We determined the in vivo molar concentrations of active tissue plasminogen activator (t-PA), active plasminogen activator inhibitor type 1 (PAI-1), and t-PA/PAI-1 complex. t-PA activity was measured in plasma stabilized by immediate acidification. PAI-1 activity and t- PA/PAI-1 complex antigen were measured in citrated plasma; these measurements were corrected for the loss in PAI-1 activity and increase in complex that occurs in unacidified plasma samples due to the continued reaction between t-PA and PAI-1 after the sample was drawn. To convert t-PA and PAI-1 activity measurements into molar

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Oluwatoba Daniel ITAKORODE, Ifeanyi Anthony MUKOLU, and Folasade Oladunni OLUYEMI. "Fabrication and optical characterization of zinc telluride thin films using electrodeposition technique." World Journal of Advanced Research and Reviews 19, no. 2 (2023): 541–45. http://dx.doi.org/10.30574/wjarr.2023.19.2.1365.

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A well adherent thin film of Zinc Telluride (ZnTe) has been deposited on Flourine doped Tin oxide glass substrates from acidic baths containing Zinc heptahydrate and Tellurium dioxide. Films of different thicknesses with their molar concentrations were obtained. A mini Schimadzu UV-VIS Spectrophotometer was used to determine the optical absorbance of the films over the wavelength range of 300-900nm at room temperature. There is a decrease in absorbance as the molar concentrations of the precursors increases; while transmittance and energy band gap shown an increase. The band gap values obtaine

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Oluwatoba, Daniel ITAKORODE, Anthony MUKOLU Ifeanyi, and Oladunni OLUYEMI Folasade. "Fabrication and optical characterization of zinc telluride thin films using electrodeposition technique." World Journal of Advanced Research and Reviews 19, no. 2 (2023): 541–45. https://doi.org/10.5281/zenodo.10841961.

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A well adherent thin film of Zinc Telluride (ZnTe) has been deposited on Flourine doped Tin oxide glass substrates from acidic baths containing Zinc heptahydrate and Tellurium dioxide. Films of different thicknesses with their molar concentrations were obtained. A mini Schimadzu UV-VIS Spectrophotometer was used to determine the optical absorbance of the films over the wavelength range of 300-900nm at room temperature. There is a decrease in absorbance as the molar concentrations of the precursors increases; while transmittance and energy band gap shown an increase. The band gap values obtaine

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Ejelonu, Chioma A., and Joseph O. Emegha. "Effect of Molar Concentrations on the Structural and Optical Properties of Zinc Oxide Thin Films." Materials for third generation solar cells and other energy related applications 02, no. 03 (2022): 1–6. http://dx.doi.org/10.47514/phyaccess.sp.iss.2022.1.001.

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Thin films of zinc oxide (ZnO) were deposited on soda-lime (glass) substrate using chemical bath deposition (CBD) technique. The structural and optical properties of the deposited films were investigated using X-ray diffractometer (XRD) and UV- spectrophotometric measurements. The absorption data were used to determine the energy band gap and other optical parameters. It was observed that the films were polycrystalline in nature with high optical transmittance. The energy band gaps were found to vary between 3.09 and 3.45 eV using the absorption spectrum fitting (ASF) method. The influence of

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