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Yao Y, Alpert PA, Zuend A, Wang B. Does liquid-liquid phase separation impact ice nucleation in mixed polyethylene glycol and ammonium sulfate droplets? Phys Chem Chem Phys 2022; 25:80-95. [PMID: 36281770 DOI: 10.1039/d2cp04407b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Particles can undergo different phase transitions in the atmosphere including deliquescence, liquid-liquid phase separation (LLPS), melting, and freezing. In this study, phase transitions of particles/droplets containing polyethylene glycol with a molar mass of 400 g mol-1 (PEG400) and ammonium sulfate (AS), i.e., PEG400-AS particles/droplets, were investigated at different organic-to-inorganic dry mass ratios (OIRs) under typical tropospheric temperatures and water activities (aw). The investigated droplets (60-100 μm) with or without LLPS in the closed system froze through homogeneous ice nucleation. At temperatures lower than 200 K, multiple ice nucleation events were observed within the same individual droplets at low aw. Droplets with and without LLPS shared similar lambda values at the same OIR according to the lambda approach indicating they form ice through the same mechanism. A parameterization of lambda values was provided which can be used to predict freezing temperature of aqueous PEG400-AS droplets. We found that adding AS reduces the temperature dependence of aw in aqueous PEG400 droplets. Assuming incorrectly that aw is temperature-independent for a constant droplet composition leads to a deviation between the experimental determined ice nucleation rate coefficients for droplets at OIR > 1 and the predicted values by the water-activity-based ice nucleation theory. We proposed a parameterization of temperature dependence of aw to minimize the deviations of the measured melting temperatures and nucleation rate coefficients from the corresponding predictions for aqueous PEG400-AS system.
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Affiliation(s)
- Yao Yao
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China.
| | - Peter A Alpert
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland
| | - Andreas Zuend
- Department of Atmospheric and Oceanic Sciences, McGill University, Montréal, Quebec, Canada
| | - Bingbing Wang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China.
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2
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Pach E, Verdaguer A. Studying Ice with Environmental Scanning Electron Microscopy. Molecules 2021; 27:258. [PMID: 35011490 PMCID: PMC8746807 DOI: 10.3390/molecules27010258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/19/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Scanning electron microscopy (SEM) is a powerful imaging technique able to obtain astonishing images of the micro- and the nano-world. Unfortunately, the technique has been limited to vacuum conditions for many years. In the last decades, the ability to introduce water vapor into the SEM chamber and still collect the electrons by the detector, combined with the temperature control of the sample, has enabled the study of ice at nanoscale. Astounding images of hexagonal ice crystals suddenly became real. Since these first images were produced, several studies have been focusing their interest on using SEM to study ice nucleation, morphology, thaw, etc. In this paper, we want to review the different investigations devoted to this goal that have been conducted in recent years in the literature and the kind of information, beyond images, that was obtained. We focus our attention on studies trying to clarify the mechanisms of ice nucleation and those devoted to the study of ice dynamics. We also discuss these findings to elucidate the present and future of SEM applied to this field.
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Affiliation(s)
- Elzbieta Pach
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, E-08193 Bellaterra, Spain;
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3
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Höhne S, Hoch C, Böhm C, Winkler R, Bittrich E, Uhlmann P. A New Measuring System for the Determination of the Ice Adhesion Strength on Smooth Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:4465-4476. [PMID: 32240588 DOI: 10.1021/acs.langmuir.9b03791] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
To gain knowledge about cause-effect relationships for the adhesion of ice on surfaces with different chemical groups, we wanted to study the effect of thin polymer layers on the ice adhesion strength. To minimize the effect of roughness, smooth substrates that have generally relatively low ice adhesion strengths were chosen. To be able to obtain highly reproducible values for the region of low ice adhesion and to measure small differences of ice adhesion at surfaces with different chemical compositions, a new measuring system for the determination of the ice adhesion strength which is based on a modified spin-coater was developed. We show its technical potential on the basis of first results on pure silicon wafers and selected hydrophilic polymer layers. Furthermore, we investigated the effect of the water quality on the ice adhesion strength. The obtained data are discussed in the context of physicochemical properties of the layers and of the chemical characteristics of the used polymers.
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Affiliation(s)
- Susanne Höhne
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
| | - Claudia Hoch
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
| | - Carolin Böhm
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
| | - René Winkler
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
| | - Eva Bittrich
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
| | - Petra Uhlmann
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, D-01069 Dresden, Germany
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Bachler J, Handle PH, Giovambattista N, Loerting T. Glass polymorphism and liquid-liquid phase transition in aqueous solutions: experiments and computer simulations. Phys Chem Chem Phys 2019; 21:23238-23268. [PMID: 31556899 DOI: 10.1039/c9cp02953b] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One of the most intriguing anomalies of water is its ability to exist as distinct amorphous ice forms (glass polymorphism or polyamorphism). This resonates well with the possible first-order liquid-liquid phase transition (LLPT) in the supercooled state, where ice is the stable phase. In this Perspective, we review experiments and computer simulations that search for LLPT and polyamorphism in aqueous solutions containing salts and alcohols. Most studies on ionic solutes are devoted to NaCl and LiCl; studies on alcohols have mainly focused on glycerol. Less attention has been paid to protein solutions and hydrophobic solutes, even though they reveal promising avenues. While all solutions show polyamorphism and an LLPT only in dilute, sub-eutectic mixtures, there are differences regarding the nature of the transition. Isocompositional transitions for varying mole fractions are observed in alcohol but not in ionic solutions. This is because water can surround alcohol molecules either in a low- or high-density configuration whereas for ionic solutes, the water ion hydration shell is forced into high-density structures. Consequently, the polyamorphic transition and the LLPT are prevented near the ions, but take place in patches of water within the solutions. We highlight discrepancies and different interpretations within the experimental community as well as the key challenges that need consideration when comparing experiments and simulations. We point out where reinterpretation of past studies helps to draw a unified, consistent picture. In addition to the literature review, we provide original experimental results. A list of eleven open questions that need further consideration is identified.
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Affiliation(s)
- Johannes Bachler
- Institute of Physical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria.
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5
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Sun CQ, Huang Y, Zhang X. Hydration of Hofmeister ions. Adv Colloid Interface Sci 2019; 268:1-24. [PMID: 30921543 DOI: 10.1016/j.cis.2019.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/04/2019] [Accepted: 03/07/2019] [Indexed: 01/08/2023]
Abstract
Water dissolves salt into ions and then hydrates the ions to form an aqueous solution. Hydration of ions deforms the hydrogen bonding network and triggers the solution with what the pure water never shows such as conductivity, molecular diffusivity, thermal stability, surface stress, solubility, and viscosity, having enormous impact to many branches in biochemistry, chemistry, physics, and energy and environmental industry sectors. However, regulations for the solute-solute-solvent interactions are still open for exploration. From the perspective of the screened ionic polarization and O:H-O bond relaxation, this treatise features the recent progress and a perspective in understanding the hydration dynamics of Hofmeister ions in the typical YI, NaX, ZX2, and NaT salt solutions (Y = Li, Na, K, Rb, Cs; X = F, Cl, Br, I; Z = Mg, Ca, Ba, Sr; T = ClO4, NO3, HSO4, SCN). Phonon spectrometric analysis turned out the f(C) number fraction of bonds transition from the mode of deionized water to the hydrating. The linear f(C) ∝ C form features the invariant hydration volume of small cations that are fully-screened by their hydration H2O dipoles. The nonlinear f(C) ∝ 1 - exp.(-C/C0) form describes that the number insufficiency of the ordered hydrating H2O dipoles partially screens the anions. Molecular anions show stronger yet shorter electric field of dipoles. The screened ionic polarization, inter-solute interaction, and O:H-O bond transition unify the solution conductivity, surface stress, viscosity, and critical energies for phase transition.
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Abstract
Anti-icing agent release from diatomaceous earth/SBS composites increases the freezing time of water droplets on the surface.
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Affiliation(s)
- A. Ijaz
- Material Science and Engineering Program
- Koç University
- Istanbul
- Turkey
| | - A. Miko
- Chemistry Department
- Koç University
- Istanbul
- Turkey
| | - A. L. Demirel
- Material Science and Engineering Program
- Koç University
- Istanbul
- Turkey
- Chemistry Department
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7
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Mochizuki K, Qiu Y, Molinero V. Promotion of Homogeneous Ice Nucleation by Soluble Molecules. J Am Chem Soc 2017; 139:17003-17006. [PMID: 29111694 DOI: 10.1021/jacs.7b09549] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Atmospheric aerosols nucleate ice in clouds, strongly impacting precipitation and climate. The prevailing consensus is that ice nucleation is promoted heterogeneously by the surface of ice nucleating particles in the aerosols. However, recent experiments indicate that water-soluble molecules, such as polysaccharides of pollen and poly(vinyl alcohol) (PVA), increase the ice freezing temperature. This poses the question of how do flexible soluble molecules promote the formation of water crystals, as they do not expose a well-defined surface to ice. Here we use molecular simulations to demonstrate that PVA promotes ice nucleation through a homogeneous mechanism: PVA increases the nucleation rate by destabilizing water in the solution. This work demonstrates a novel paradigm for understanding ice nucleation by soluble molecules and provides a new handle to design additives that promote crystallization.
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Affiliation(s)
- Kenji Mochizuki
- Department of Chemistry, The University of Utah , Salt Lake City, Utah 84112-0580, United States.,Research Institute for Interdisciplinary Science, Okayama University , Okayama 700-8530, Japan
| | - Yuqing Qiu
- Department of Chemistry, The University of Utah , Salt Lake City, Utah 84112-0580, United States
| | - Valeria Molinero
- Department of Chemistry, The University of Utah , Salt Lake City, Utah 84112-0580, United States
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8
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Miyara M, Takashima I, Sasaki K, Kita R, Shinyashiki N, Yagihara S. Dynamics of uncrystallized water in partially crystallized poly(ethylene glycol)–water mixtures studied by dielectric spectroscopy. Polym J 2017. [DOI: 10.1038/pj.2017.15] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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9
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The decisive role of free water in determining homogenous ice nucleation behavior of aqueous solutions. Sci Rep 2016; 6:26831. [PMID: 27225427 PMCID: PMC4881027 DOI: 10.1038/srep26831] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 05/09/2016] [Indexed: 11/30/2022] Open
Abstract
It is a challenging issue to quantitatively characterize how the solute and pressure affect the homogeneous ice nucleation in a supercooled solution. By measuring the glass transition behavior of solutions, a universal feature of water-content dependence of glass transition temperature is recognized, which can be used to quantify hydration water in solutions. The amount of free water can then be determined for water-rich solutions, whose mass fraction, Xf, is found to serve as a universal relevant parameter for characterizing the homogeneous ice nucleation temperature, the meting temperature of primary ice, and even the water activity of solutions of electrolytes and smaller organic molecules. Moreover, the effects of hydrated solute and pressure on ice nucleation is comparable, and the pressure, when properly scaled, can be incorporated into the universal parameter Xf. These results help establish the decisive role of free water in determining ice nucleation and other relevant properties of aqueous solutions.
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10
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Zhao Z, Angell CA. Apparent First‐Order Liquid–Liquid Transition with Pre‐transition Density Anomaly, in Water‐Rich Ideal Solutions. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510717] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zuofeng Zhao
- School of Molecular Sciences Arizona State University Temp AZ 85287-1604 USA
| | - C. Austen Angell
- School of Molecular Sciences Arizona State University Temp AZ 85287-1604 USA
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11
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Zhao Z, Angell CA. Apparent First‐Order Liquid–Liquid Transition with Pre‐transition Density Anomaly, in Water‐Rich Ideal Solutions. Angew Chem Int Ed Engl 2016; 55:2474-7. [DOI: 10.1002/anie.201510717] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Zuofeng Zhao
- School of Molecular Sciences Arizona State University Temp AZ 85287-1604 USA
| | - C. Austen Angell
- School of Molecular Sciences Arizona State University Temp AZ 85287-1604 USA
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12
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Ayres E, Ferreira CR, Lima TH, Martins GS, Villanova JCO, Oréfice RL. Self-crosslinkable complexes based on poly(ethylene glycol) (PEG), poly(itaconic acid) (PIA) and N-methylol acrylamide (NMA) as pharmaceutical hydrophilic matrices. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1473-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Knopf DA, Alpert PA. A water activity based model of heterogeneous ice nucleation kinetics for freezing of water and aqueous solution droplets. Faraday Discuss 2014; 165:513-34. [PMID: 24601020 DOI: 10.1039/c3fd00035d] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Immersion freezing of water and aqueous solutions by particles acting as ice nuclei (IN) is a common process of heterogeneous ice nucleation which occurs in many environments, especially in the atmosphere where it results in the glaciation of clouds. Here we experimentally show, using a variety of IN types suspended in various aqueous solutions, that immersion freezing temperatures and kinetics can be described solely by temperature, T, and solution water activity, a(w), which is the ratio of the vapour pressure of the solution and the saturation water vapour pressure under the same conditions and, in equilibrium, equivalent to relative humidity (RH). This allows the freezing point and corresponding heterogeneous ice nucleation rate coefficient, J(het), to be uniquely expressed by T and a(w), a result we term the a(w) based immersion freezing model (ABIFM). This method is independent of the nature of the solute and accounts for several varying parameters, including cooling rate and IN surface area, while providing a holistic description of immersion freezing and allowing prediction of freezing temperatures, J(het), frozen fractions, ice particle production rates and numbers. Our findings are based on experimental freezing data collected for various IN surface areas, A, and cooling rates, r, of droplets variously containing marine biogenic material, two soil humic acids, four mineral dusts, and one organic monolayer acting as IN. For all investigated IN types we demonstrate that droplet freezing temperatures increase as A increases. Similarly, droplet freezing temperatures increase as the cooling rate decreases. The log10(J(het)) values for the various IN types derived exclusively by Tand a(w), provide a complete description of the heterogeneous ice nucleation kinetics. Thus, the ABIFM can be applied over the entire range of T, RH, total particulate surface area, and cloud activation timescales typical of atmospheric conditions. Lastly, we demonstrate that ABIFM can be used to derive frozen fractions of droplets and ice particle production for atmospheric models of cirrus and mixed phase cloud conditions.
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Affiliation(s)
- Daniel A Knopf
- Institute for Terrestrial and Planetary Atmospheres/School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794-5000, USA.
| | - Peter A Alpert
- Institute for Terrestrial and Planetary Atmospheres/School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794-5000, USA
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Buchan B, Kay G, Matthews KH, Cairns D. Suppository formulations as a potential treatment for nephropathic cystinosis. J Pharm Sci 2012; 101:3729-38. [DOI: 10.1002/jps.23246] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Revised: 05/02/2012] [Accepted: 06/08/2012] [Indexed: 11/11/2022]
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15
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Wang B, Lambe AT, Massoli P, Onasch TB, Davidovits P, Worsnop DR, Knopf DA. The deposition ice nucleation and immersion freezing potential of amorphous secondary organic aerosol: Pathways for ice and mixed-phase cloud formation. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2012jd018063] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Non-existence of the linear relation between TH (homogeneous nucleation temperature) and Tm (melting temperature) for aqueous H2SO4 solution. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2011.01.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Knopf DA, Rigg YJ. Homogeneous Ice Nucleation From Aqueous Inorganic/Organic Particles Representative of Biomass Burning: Water Activity, Freezing Temperatures, Nucleation Rates. J Phys Chem A 2011; 115:762-73. [DOI: 10.1021/jp109171g] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Daniel A. Knopf
- Institute for Terrestrial and Planetary Atmospheres/School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, New York
| | - Yannick J. Rigg
- Institute for Terrestrial and Planetary Atmospheres/School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, New York
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18
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Koop T, Bookhold J, Shiraiwa M, Pöschl U. Glass transition and phase state of organic compounds: dependency on molecular properties and implications for secondary organic aerosols in the atmosphere. Phys Chem Chem Phys 2011; 13:19238-55. [DOI: 10.1039/c1cp22617g] [Citation(s) in RCA: 503] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bhatnagar BS, Martin SM, Teagarden DL, Shalaev EY, Suryanarayanan R. Investigation of PEG Crystallization in Frozen PEG-Sucrose-Water Solutions. I. Characterization of the Nonequilibrium Behavior during Freeze-Thawing. J Pharm Sci 2010; 99:2609-19. [DOI: 10.1002/jps.22040] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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21
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Kanno H, Kajiwara K, Miyata K. Supercooling of aqueous dimethylsulfoxide solution at normal and high pressures: Evidence for the coexistence of phase-separated aqueous dimethylsulfoxide solutions of different water structures. J Chem Phys 2010; 132:194503. [DOI: 10.1063/1.3429973] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
Abstract
This review provides an introduction to ice nucleation processes in supercooled water and aqueous solutions. Concepts for experimental techniques suitable to study homogeneous ice nucleation are addressed, in particular differential scanning calorimetry of inverse emulsions. Ice nucleation data from aqueous solutions have been analyzed using two approaches, and the interrelations between those are examined. It is argued that the ice nucleation process is driven entirely by thermodynamic quantities and how this can be understood in the context of three proposed theories for supercooled liquid water. Ice nucleation data for pure water droplets surrounded by a gas have been compiled and evaluated; within experimental uncertainty neither a volume dependent nucleation process nor a surface dependent nucleation process is convincingly supported by the analysis. Finally, open questions in the area of supercooled aqueous solutions and ice nucleation are discussed.
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Ogawa S, Koga M, Osanai S. Anomalous ice nucleation behavior in aqueous polyvinyl alcohol solutions. Chem Phys Lett 2009. [DOI: 10.1016/j.cplett.2009.08.046] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Koop T, Zobrist B. Parameterizations for ice nucleation in biological and atmospheric systems. Phys Chem Chem Phys 2009; 11:10839-50. [DOI: 10.1039/b914289d] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Knopf DA, Lopez MD. Homogeneous ice freezing temperatures and ice nucleation rates of aqueous ammonium sulfate and aqueous levoglucosan particles for relevant atmospheric conditions. Phys Chem Chem Phys 2009; 11:8056-68. [DOI: 10.1039/b903750k] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Lesage A, Gardiennet C, Loquet A, Verel R, Pintacuda G, Emsley L, Meier B, Böckmann A. Polarisationstransfer über die Wasser‐Protein‐Grenzfläche im Festkörper. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200801110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Zobrist B, Marcolli C, Peter T, Koop T. Heterogeneous Ice Nucleation in Aqueous Solutions: the Role of Water Activity. J Phys Chem A 2008; 112:3965-75. [DOI: 10.1021/jp7112208] [Citation(s) in RCA: 117] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. Zobrist
- Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland, and Department of Chemistry, Bielefeld University, D33501 Bielefeld, Germany
| | - C. Marcolli
- Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland, and Department of Chemistry, Bielefeld University, D33501 Bielefeld, Germany
| | - T. Peter
- Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland, and Department of Chemistry, Bielefeld University, D33501 Bielefeld, Germany
| | - T. Koop
- Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland, and Department of Chemistry, Bielefeld University, D33501 Bielefeld, Germany
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30
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Kimizuka N, Viriyarattanasak C, Suzuki T. Ice nucleation and supercooling behavior of polymer aqueous solutions. Cryobiology 2008; 56:80-7. [DOI: 10.1016/j.cryobiol.2007.10.179] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2007] [Revised: 09/01/2007] [Accepted: 10/16/2007] [Indexed: 11/29/2022]
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31
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Linear relation between TH (homogeneous ice nucleation temperature) and Tm (melting temperature) for aqueous solutions of sucrose, trehalose, and maltose. Chem Phys Lett 2007. [DOI: 10.1016/j.cplett.2007.06.104] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Abstract
Using the emulsion method, we measured the homogeneous nucleation temperature depression, DeltaT(f,hom), and equilibrium melting points depression, DeltaT(m), of various aqueous solutions and then calculated lambda for each solute using the linear relationship DeltaT(f,hom) = lambdaDeltaT(m). We defined lambda as the solute-specific supercooling capacity and examined its correlation with some known hydration characteristics. The results showed that lambda is correlated with D0, the self-diffusion coefficient of solute molecules in infinite dilution.
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Affiliation(s)
- Norihito Kimizuka
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
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