Relevant bibliographies by topics / Ionic strength sensitivity

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Ionic strength sensitivity'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Ionic strength sensitivity"

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Weidgans, Bernhard M., Christian Krause, Ingo Klimant, and Otto S. Wolfbeis. "Fluorescent pH sensors with negligible sensitivity to ionic strength." Analyst 129, no. 7 (2004): 645. http://dx.doi.org/10.1039/b404098h.

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Zhu, Xiu Fang, Wei Zhou, Hong Xia Zhang, and Yu Jing Nie. "Study on the Swelling and Deswelling of the PH / Thermosensitive Hydrogel." Applied Mechanics and Materials 55-57 (May 2011): 1–6. http://dx.doi.org/10.4028/www.scientific.net/amm.55-57.1.

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From the point of view of molecule design, pH/temperature responsive hydrogels were prepared based on the acrylic acid with the excellent pH sensitivity and N-isopropylacrylamide (NIPA) with the excellent temperature sensitivity by the traditional radical polymerization. Study focus on the swelling of the hydrogels, measurement of the swelling and deswelling under different ionic strength with various temperatures of the hydrogels were performed in our work. The results show that the ionic strength, the pH value and temperature are three key factors that affect the LCST of the hydrogel. In the
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Malektaj, Haniyeh, Aleksey D. Drozdov, and Jesper deClaville Christiansen. "Swelling of Homogeneous Alginate Gels with Multi-Stimuli Sensitivity." International Journal of Molecular Sciences 24, no. 6 (2023): 5064. http://dx.doi.org/10.3390/ijms24065064.

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A new two-step method is suggested for the preparation of homogeneous alginate gels. In the first step, alginate chains are weakly bonded by Ca2+ ions in an aqueous solution with a low pH. In the next step, the gel is immersed into a strong solution of CaCl2 to finalize the cross-linking process. Homogeneous alginate gels preserve their integrity in aqueous solutions with a pH ranging from 2 to 7 and ionic strength in the interval from 0 to 0.2 M, at temperatures ranging from room temperature up to 50 °C, and can be used in biomedical applications. The immersion of these gels into aqueous solu
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Li, Zhi Jun. "Synthesis and Characteristics of Thermo-and pH-Sensitive PNIPAAm/PVP Hydrogels." Advanced Materials Research 787 (September 2013): 190–96. http://dx.doi.org/10.4028/www.scientific.net/amr.787.190.

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Poly (N-isopropylacrylamide)(PNIPAAm)/Poly (N-vinylpyrrolidone)(PVP) hydrogels were prepared by irradiating the aqueous solution mixture of NIPAAm and PVP with electron beam. The effects of feed ratio, pH, and temperature on the swelling ratio of the hydrogels were investigated. It appeared that the hydrogels possessed both pH and temperature sensitivity, the lower critical solution temperature (LCST) of PNIPAAm/PVP hydrogels increased with the increasing of PVP content in the copolymers. The experimental results also showed that the hydrogels were ionic strength sensitivity, the swelling rati
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Hardeman, Stanley, Theodore Nelson, Daniel Beirne, et al. "Sensitivity of novel ultrathin platinum film immunosensors to buffer ionic strength." Sensors and Actuators B: Chemical 24, no. 1-3 (1995): 98–102. http://dx.doi.org/10.1016/0925-4005(95)85021-x.

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BALLANTYNE, JAMES S., and CHRISTOPHER D. MOYES. "The Role of Divalent Cations and Ionic Strength in the Osmotic Sensitivity of Glutamate Oxidation in Oyster Gill Mitochondria." Journal of Experimental Biology 130, no. 1 (1987): 203–17. http://dx.doi.org/10.1242/jeb.130.1.203.

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The biochemical mechanism responsible for the osmotic sensitivity of glutamate oxidation in oyster (Crassostrea virginica Gmelin) gill mitochondria was examined. The relative roles of osmotically induced changes in matrix divalent cation concentration and ionic strength were determined. The calcium-magnesium ionophore A23187 inhibited glutamate oxidation in both low- (40% of control rate) and high- (25% of control rate) osmolarity media. Addition of MgCl2 reversed A23187 inhibition, but at each MgCl2 concentration (1–5 mmol l−1) the rate of glutamate oxidation in the high-osmolarity medium was
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Murphy, Robyn M., D. George Stephenson, and Graham D. Lamb. "Effect of creatine on contractile force and sensitivity in mechanically skinned single fibers from rat skeletal muscle." American Journal of Physiology-Cell Physiology 287, no. 6 (2004): C1589—C1595. http://dx.doi.org/10.1152/ajpcell.00276.2004.

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Increasing the intramuscular stores of total creatine [TCr = creatine (Cr) + creatine phosphate (CrP)] can result in improved muscle performance during certain types of exercise in humans. Initial uptake of Cr is accompanied by an increase in cellular water to maintain osmotic balance, resulting in a decrease in myoplasmic ionic strength. Mechanically skinned single fibers from rat soleus (SOL) and extensor digitorum longus (EDL) muscles were used to examine the direct effects on the contractile apparatus of increasing [Cr], increasing [Cr] plus decreasing ionic strength, and increasing [Cr] a
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Cortese, J. D., A. L. Voglino, and C. R. Hackenbrock. "Ionic strength of the intermembrane space of intact mitochondria as estimated with fluorescein-BSA delivered by low pH fusion." Journal of Cell Biology 113, no. 6 (1991): 1331–40. http://dx.doi.org/10.1083/jcb.113.6.1331.

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The electrostatic interactions of cytochrome c with its redox partners and membrane lipids, as well as other protein interactions and biochemical reactions, may be modulated by the ionic strength of the intermembrane space of the mitochondrion. FITC-BSA was used to determine the relative value of the mitochondrial intermembrane ionic strength with respect to bulk medium external to the mitochondrial outer membrane. FITC-BSA exhibited an ionic strength-dependent fluorescence change with an affinity in the mM range as opposed to its pH sensitivity in the microM range. A controlled, low pH-induce
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Pemrick, S. M., and P. A. Martinez. "ATP, uncomplexed by divalent cations, and the LC2 light chain are interdependent modifiers of the skeletal actomyosin MgATPase activity." Biochemical Journal 280, no. 1 (1991): 39–44. http://dx.doi.org/10.1042/bj2800039.

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In the absence of troponin and tropomyosin, skeletal actomyosin MgATPase activity can be altered by 2-3-fold by divalent cations. The ‘sign’ of this effect (i.e. inhibition or activation) varies with ionic strength. To investigate the mechanism, P(i) liberation was analysed at both low and high ionic strength with three concentrations of MgATP and over a wide range of Mg2+ concentrations. This procedure separated the effects of two dependent variables, Mg2+ and ATP4-/3- (ATPfree), to provide the following observations. (1) ATPfree, not Mg2+ (nor Ca2+), was the modifier. (2) ATPfree was an acti
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Tintelott, Marcel, Tom Kremers, Sven Ingebrandt, Vivek Pachauri, and Xuan Thang Vu. "Realization of a PEDOT:PSS/Graphene Oxide On-Chip Pseudo-Reference Electrode for Integrated ISFETs." Sensors 22, no. 8 (2022): 2999. http://dx.doi.org/10.3390/s22082999.

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A stable reference electrode (RE) plays a crucial role in the performance of an ion-sensitive field-effect transistor (ISFET) for bio/chemical sensing applications. There is a strong demand for the miniaturization of the RE for integrated sensor systems such as lab-on-a-chip (LoC) or point-of-care (PoC) applications. Out of several approaches presented so far to integrate an on-chip electrode, there exist critical limitations such as the effect of analyte composition on the electrode potential and drifts during the measurements. In this paper, we present a micro-scale solid-state pseudo-refere
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Dissertations / Theses on the topic "Ionic strength sensitivity"

1

Hachfi, Soussi Rima. "Ionic strength sensitivity of complex coacervation between ß-lactoglobulin & lactoferrin : From protein-protein interactions to the characterization of the coacervates." Electronic Thesis or Diss., Rennes, Agrocampus Ouest, 2023. http://www.theses.fr/2023NSARB369.

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La coacervation complexe est une séparation de phase liquide-liquide qui conduit à la formation d'une phase concentrée (coacervats). Ces coacervats permettent entre autres applications l’encapsulation efficace de molécules bioactives. Des travaux précédents focalisés sur le cas spécifique de la coacervation hétéroprotéique entre la lactoferrine (LF) et la ß-lactoglobuline (ßLG), ont établi les conditions optimales de coacervation. L’objectif de ce projet de thèse était de déterminer l’influence de la force ionique sur le processus d’interactions et d’assemblage des protéines ainsi que sur l’ét
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Book chapters on the topic "Ionic strength sensitivity"

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Kenfish, Jonathan C., and Sue Palmer. "The influence of pH. phosphate, and ionic strength on contraction in skinned cardiac muscle." In Modulation of Cardiac Calcium Sensitivity. Oxford University PressNew York, NY, 1993. http://dx.doi.org/10.1093/oso/9780192623478.003.0003.

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Abstract There are two principal ways in which the relationship between Ca+ concentration ([Ca +]) and myofibrillar force development can be measured. The first is to introduce Ca+ -sensitive photoproteins or dyes into the cell and to measure force and cytosolic [Ca +] while both change, for example during the twitch. The second method is to permeabilize (‘skin’) the cell surface membrane so that externally applied ions (Ca2+, MgATP-, and so on) readily diffuse into the cells and so control the myofibrillar environment.
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Jain, Nipun, Ranjit Barua, Yusuf Olatunji Waidi, and Sudipto Datta. "Nanowires for Bio-Sensing Applications." In Next Generation Materials for Sustainable Engineering. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-1306-0.ch010.

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Nanomaterials like nanowires, carbon nanotubes, quantum dots, and nanoparticles have breakthrough applications in various engineering domains including the various sensor applications in biomedical engineering. Because of its huge ratio of surface area to volume compared to the macro materials, it is widely used. In this chapter, the authors describe briefly the fabrication, the working principle, as well as the various applications like biomarker detection, RNA and virus detection, and drug discovery of these nanomaterials. Lastly, they briefly highlight its advancement which includes long-te
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3

Cohn, M. "Choice of Problems in the Early Days of Biological NMR Spectroscopy." In Biological NMR Spectroscopy. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195094688.003.0007.

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It was a mere ten years after the discovery of NMR that Oleg Jardetzky under the mentorship of the physical chemist John Wertz (Wertz and Jardetzky, 1956) began using 23Na NMR with the aim of studying Na+ transport in biological systems as suggested by William Lipscomb. Jardetzky found that Na+ NMR provided a unique method for following the binding of Na+ in weak complexes. Advantage was taken of the sensitivity of quadrupolar nuclei to their chemical environment as reflected in their relaxation rates which could be readily observed at a field of 7,030 gauss available at the time (Jardetzky an
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Conference papers on the topic "Ionic strength sensitivity"

1

Pan, Bin, Tianru Song, Xia Yin, et al. "A Machine Learning Based Framework for Brine-Gas Interfacial Tension Prediction: Implications for H2, CH4 and CO2 Geo-Storage." In GOTECH. SPE, 2024. http://dx.doi.org/10.2118/219225-ms.

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Abstract Brine-gas interfacial tension (γ) is an important parameter to determine fluid dynamics, trapping and distributions at pore-scale, thus influencing gas (H2, CH4 and CO2) geo-storage (GGS) capacity and security at reservoir-scale. However, γ is a complex function of pressure, temperature, ionic strength, gas type and mole fraction, thus time-consuming to measure experimentally and challenging to predict theoretically. Therefore herein, a genetic algorithm-based automatic machine learning and symbolic regression (GA-AutoML-SR) framework was developed to predict γ systematically under GG
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