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Journal articles on the topic 'Propylene glycol ethers'

Author: Grafiati

Published: 24 April 2022

Last updated: 30 July 2025

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1

Vegh, L. "Propylene glycol ethers and propylene glycol ether acetate ‘PMA’ in coating applications." Pigment & Resin Technology 14, no. 7 (1985): 4–15. http://dx.doi.org/10.1108/eb042147.

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2

Bourdillon, Nicolas, Hélène Paschoud, Nancy B. Hopf, et al. "Effects of exposition to glycol ethers on heart rate recovery, parasympathetic modulation and oxygen diffusion at rest and during exercise." Current Issues in Sport Science (CISS) 9, no. 2 (2024): 029. http://dx.doi.org/10.36950/2024.2ciss029.

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Introduction Daily exposition to ether glycols is common. Caretakers using cleaning products are critically exposed by combining physical activity with exposition to highly concentrated products. Previous animal studies showed hemato-, respiratory and autonomic nervous system toxicity amongst others. Yet, no controlled study explored the combination of an exposition to glycol ethers with physical activity in humans. Methods 30 young healthy participants were exposed a control condition (ambient air) and to one of three vaporized glycol ethers: propylene glycol n-propyl ether (PGPE, 25 ppm, n =

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3

Samoilov, Vadim, Vladimir Lavrentev, Madina Sultanova, et al. "Methyl and Ethyl Ethers of Glycerol as Potential Green Low-Melting Technical Fluids." Molecules 28, no. 22 (2023): 7483. http://dx.doi.org/10.3390/molecules28227483.

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The study is dedicated to the consideration of lower alkyl ethers of glycerol as potential components of low-melting technical fluids (e.g., heat transfer fluids, hydraulic fluids, aircraft de-icing fluids, etc.). Four isomeric mixtures of glycerol ethers (GMME—monomethyl; GDME—dimethyl; GMEE—monoethyl; GDEE—diethyl) were synthesized from epichlorohydrin and methanol/ethanol in the presence of sodium and subjected to detailed characterization as pure compounds and as aqueous solutions (30–90 vol%). The temperature and concentration dependencies of density, viscosity, cloud point, boiling range

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4

Starek-Świechowicz, Beata, and Andrzej Starek. "Ethylene glycol and propylene glycol ethers – Reproductive and developmental toxicity." Medycyna Pracy 66, no. 5 (2015): 725–37. http://dx.doi.org/10.13075/mp.5893.00219.

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5

Xu, Yueting, Yanfei Zhao, Fengtao Zhang, et al. "Hydrogen bonding-catalysed alcoholysis of propylene oxide at room temperature." Chemical Communications 57, no. 70 (2021): 8734–37. http://dx.doi.org/10.1039/d1cc03602e.

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Alcoholysis of propylene oxide is achieved over azolate ionic liquids at room temperature by hydrogen-bonding catalysis, accessing glycol ethers in moderate to high yields with selectivity of >99%.

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6

Choi, Hyunok, Norbert Schmidbauer, John Spengler, and Carl-Gustaf Bornehag. "Sources of Propylene Glycol and Glycol Ethers in Air at Home." International Journal of Environmental Research and Public Health 7, no. 12 (2010): 4213–37. http://dx.doi.org/10.3390/ijerph7124213.

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7

Samoylov, V. O., T. I. Stolonogova, D. N. Ramazanov, et al. "tert-Butyl Ethers of Renewable Diols as Oxygenated Additives for Motor Gasoline. Part I: Glycerol and Propylene Glycol Ethers." Нефтехимия 63, no. 2 (2023): 220–30. http://dx.doi.org/10.31857/s0028242123020065.

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The study investigates tert-butoxy alkanols (otherwise defined as polyol tert-butyl ethers) that have vicinal tert-butoxy and hydroxy groups in their molecules from the perspective of their usability as oxygenated additives for motor gasoline. A series of propylene glycol mono-tert-butyl ether (PTBE) and glycerol di-tert-butyl ether (di-GTBE) samples were prepared: PTBE by direct acid-catalytic alkylation of diols with tert-butanol, and di-GTBE by alkylation of epichlorohydrin. Adding PTBE and di-GTBE to base motor gasoline was found to improve its antiknock performance: the average blending r

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8

Rodriguez, Carmen L., Julia Weathers, Bernadette Corujo, and Patricia Peterson. "Formulating water-based systems with propylene-oxide-based glycol ethers." Journal of Coatings Technology 72, no. 6 (2000): 67–72. http://dx.doi.org/10.1007/bf02757878.

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9

Zhao, Cong, Shengxin Chen, Ruirui Zhang, et al. "Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids." Chinese Journal of Catalysis 38, no. 5 (2017): 879–88. http://dx.doi.org/10.1016/s1872-2067(17)62831-6.

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10

Hong, Lei, Deepak Tapriyal, and Robert M. Enick. "Phase Behavior of Poly(propylene glycol) Monobutyl Ethers in Dense CO2." Journal of Chemical & Engineering Data 53, no. 6 (2008): 1342–45. http://dx.doi.org/10.1021/je800068v.

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11

Hubner, B., K. Geibel, and J. Angerer. "Gas-chromatographic determination of propylene- and diethylene glycol ethers in urine." Fresenius' Journal of Analytical Chemistry 342, no. 9 (1992): 746–48. http://dx.doi.org/10.1007/bf00321870.

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12

Robinson, Valerie, Wilma F. Bergfeld, Donald V. Belsito, et al. "Final Report on the Safety Assessment of PPG-2 Methyl Ether, PPG-3 Methyl Ether, and PPG-2 Methyl Ether Acetate." International Journal of Toxicology 28, no. 6_suppl (2009): 162S—174S. http://dx.doi.org/10.1177/1091581809350933.

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PPG-2 methyl ether, PPG-3 methyl ether, and PPG-2 methyl ether acetate are used in cosmetics as fragrance ingredients and/or solvents at concentrations of 0.4% to 2%. Propylene glycol ethers are rapidly absorbed and distributed throughout the body when introduced by inhalation or oral exposure, but the inhalation toxicity of PPG-2 methyl ether vapor, for example, is low. Aerosols, such as found with hair sprays, produce particle sizes that are not respirable. Because these ingredients are highly water-soluble, they are likely to be absorbed through the human skin only at slow rates, resulting

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13

Robinson, Valerie, Wilma F. Bergfeld, Donald V. Belsito, et al. "Final Report on the Safety Assessment of PPG-2 Methyl Ether, PPG-3 Methyl Ether, and PPG-2 Methyl Ether Acetate." International Journal of Toxicology 28, no. 2_suppl (2009): 162S—174S. http://dx.doi.org/10.1177/10915818093509331.

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PPG-2 methyl ether, PPG-3 methyl ether, and PPG-2 methyl ether acetate are used in cosmetics as fragrance ingredients and/or solvents at concentrations of 0.4% to 2%. Propylene glycol ethers are rapidly absorbed and distributed throughout the body when introduced by inhalation or oral exposure, but the inhalation toxicity of PPG-2 methyl ether vapor, for example, is low. Aerosols, such as found with hair sprays, produce particle sizes that are not respirable. Because these ingredients are highly water-soluble, they are likely to be absorbed through the human skin only at slow rates, resulting

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14

Bauduin, Pierre, Laurent Wattebled, Didier Touraud, and Werner Kunz. "Hofmeister Ion Effects on the Phase Diagrams of Water-Propylene Glycol Propyl Ethers." Zeitschrift für Physikalische Chemie 218, no. 6-2004 (2004): 631–41. http://dx.doi.org/10.1524/zpch.218.6.631.33453.

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15

Aljitawi, Omar, Siddhartha Ganguly, Sunil Abhyankar, J. Daniel Robinson, J, D. Pipkin, and Joseph McGuirk. "A Phase IIa, Open-Label, Randomized, Pharmacokinetic Comparative, Cross-Over Studyof Melphalan HCl for Injection (propylene glycol-free) and Alkeran for Injection for Myeloablative Conditioning In Multiple Myeloma Patients Undergoing Autologous Transplantation." Blood 116, no. 21 (2010): 4525. http://dx.doi.org/10.1182/blood.v116.21.4525.4525.

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Abstract Abstract 4525 High dose therapy and autologous transplantation is considered a standard of care procedure in symptomatic, transplant eligible multiple myeloma patients. The chemotherapy of choice in this situation is high dose melphalan. The later has marginal solubility and limited chemical stability upon reconstitution and dilution. The marginal stability of this compound has limited the use of regimens utilizing higher absolute dosages and/or longer infusions (> 60 minutes) that could potentially lead to improved outcomes. Accordingly, co-solvents are used in the marketed formul

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16

Li, Xue-Lian, Quan Zhou, Shen-Xi Pan, Yu He, and Fei Chang. "A Review of Catalytic Upgrading of Biodiesel Waste Glycerol to Valuable Products." Current Green Chemistry 7, no. 3 (2020): 259–66. http://dx.doi.org/10.2174/2213346107666200108114217.

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: Glycerol is an organic polyol compound, and is an important raw material with extensive applications in daily/petrochemical and pharmaceutical industry. Glycerol is typically obtained by propylene chlorination, while the method used is complicated process and requires high energy consumption. Interestingly, glycerol is recognized as a major by-product of biodiesel production. Approximately 100 kg of glycerol is yielded for 1 tonne of biodiesel production. With the rapid development of the biodiesel industry, glycerol production capacity has been a serious surplus. This review introduces the

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17

Hsu, Joy, Maria C. del Rosario, Erica Thomasson, Danae Bixler, Loretta Haddy, and Mary Anne Duncan. "Hospital Impact After a Chemical Spill That Compromised the Potable Water Supply: West Virginia, January 2014." Disaster Medicine and Public Health Preparedness 11, no. 5 (2017): 621–24. http://dx.doi.org/10.1017/dmp.2016.193.

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AbstractIn January 2014, a chemical spill of 4-methylcyclohexanemethanol and propylene glycol phenyl ethers contaminated the potable water supply of approximately 300,000 West Virginia residents. To understand the spill’s impact on hospital operations, we surveyed representatives from 10 hospitals in the affected area during January 2014. We found that the spill-related loss of potable water affected many aspects of hospital patient care (eg, surgery, endoscopy, hemodialysis, and infection control of Clostridium difficile). Hospital emergency preparedness planning could be enhanced by specifyi

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18

van Gerven, J., L. van Horssen, and N. van Veen. "Propylene Glycol Ethers—An Alternative to CFC 113 for the Cleaning of Printed Circuit Boards." Circuit World 17, no. 1 (1990): 15–55. http://dx.doi.org/10.1108/eb046108.

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19

Shih, H. C., S. W. Tsai, and C. H. Kuo. "Time-Weighted Average Sampling of Airborne Propylene Glycol Ethers by a Solid-Phase Microextraction Device." Journal of Occupational and Environmental Hygiene 9, no. 7 (2012): 427–36. http://dx.doi.org/10.1080/15459624.2012.685851.

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20

Spencer, P. J. "New toxicity data for the propylene glycol ethers – a commitment to public health and safety." Toxicology Letters 156, no. 1 (2005): 181–88. http://dx.doi.org/10.1016/j.toxlet.2003.09.023.

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21

Grosjean, Daniel. "Atmospheric Chemistry of Toxic Contaminants. 2. Saturated Aliphatics: Acetaldehyde, Dioxane, Ethylene Glycol Ethers, Propylene Oxide." Journal of the Air & Waste Management Association 40, no. 11 (1990): 1522–31. http://dx.doi.org/10.1080/10473289.1990.10466803.

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22

Gómez-Cuenca, F., M. Gómez-Marín, and M. B. Folgueras-Díaz. "The influence of propylene glycol ethers on base diesel properties and emissions from a diesel engine." Energy Conversion and Management 75 (November 2013): 741–47. http://dx.doi.org/10.1016/j.enconman.2013.07.012.

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23

Fromme, H., L. Nitschke, S. Boehmer, M. Kiranoglu, and T. Göen. "Exposure of German residents to ethylene and propylene glycol ethers in general and after cleaning scenarios." Chemosphere 90, no. 11 (2013): 2714–21. http://dx.doi.org/10.1016/j.chemosphere.2012.11.051.

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24

Yarwood, Greg, and Katie Tuite. "Representing Ozone Formation from Volatile Chemical Products (VCP) in Carbon Bond (CB) Chemical Mechanisms." Atmosphere 15, no. 2 (2024): 178. http://dx.doi.org/10.3390/atmos15020178.

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Volatile organic compound (VOC) emissions to the atmosphere cause air pollution associated with adverse health outcomes. Volatile chemical products (VCPs) have emerged as a VOC emission category that is poorly characterized by air pollution models. VCPs are present throughout developed economies in manufactured products that include paints, cleaning agents, printing inks, adhesives and pesticides. Air quality models must accurately represent the atmospheric chemistry of VCPs to develop reliable air quality plans. We develop a chemical mechanism for oxidant formation by VCP compounds that is co

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25

Werner, Sophie, David Pamies, Marie-Gabrielle Zurich, and Laura Suter-Dick. "Hepatic and extra-hepatic metabolism of propylene glycol ethers in the context of central nervous system toxicity." Toxicology 512 (March 2025): 154081. https://doi.org/10.1016/j.tox.2025.154081.

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26

Magina, Sandra, Ana Barros-Timmons, and Dmitry V. Evtuguin. "Synthesis of Lignosulfonate-Based Dispersants for Application in Concrete Formulations." Materials 14, no. 23 (2021): 7388. http://dx.doi.org/10.3390/ma14237388.

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Lignosulfonates (LS) are products from the sulfite pulping process that could be applied as renewable environmentally-friendly polymeric surfactants. Being widely used as plasticizers and water-reducing admixtures in concrete formulations LS compete in the market with petroleum-based superplasticizers, such as naphthalene sulfonate formaldehyde polycondensate (NSF) and copolymer polycarboxylate ethers (PCE). In this work, different chemical modification strategies were used to improve LS performance as dispersants for concrete formulations. One strategy consisted in increasing the molecular we

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27

Titkov, Alexander I., Inna A. Malbakhova, Tatyana A. Borisenko, et al. "Features of the formation of conductive films during thermal and laser sintering of silver nanoparticles stabilized by an ethoxylated carboxylic acid." MATEC Web of Conferences 340 (2021): 01043. http://dx.doi.org/10.1051/matecconf/202134001043.

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Silver nanoparticles (Ag NPs) of ~ 6 nm in size were synthesized by the reduction of silver 2-[2-(2-methoxyethoxy)ethoxy]acetate by benzyl alcohol acting both as the solvent and as the reducer. The as-synthesized Ag NPs were dispersed in a mixture of nontoxic solvents with different boiling temperatures (butanol and propylene glycol ethers) to prepare ink. The ink was spin-coated on polyimide films and processed with thermal and laser sintering. After thermal sintering, the silver films have a non-uniform structure and contain many voids, causing their resistivity to be quite high (28 µΩ×cm).

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28

Staples, Charles A., and John W. Davis. "An examination of the physical properties, fate, ecotoxicity and potential environmental risks for a series of propylene glycol ethers." Chemosphere 49, no. 1 (2002): 61–73. http://dx.doi.org/10.1016/s0045-6535(02)00176-5.

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29

Bauduin, Pierre, Aurélie Basse, Didier Touraud, and Werner Kunz. "Effect of short non-ionic amphiphiles derived from ethylene and propylene glycol alkyl ethers on the CMC of SDS." Colloids and Surfaces A: Physicochemical and Engineering Aspects 270-271 (December 2005): 8–12. http://dx.doi.org/10.1016/j.colsurfa.2005.05.030.

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30

Kucharska, MAŁGORZATA, and Wiktor Wesołowski. "1,2-Dimethoxyethane Determination in working air with gas chromatography-mass spectrometer." Podstawy i Metody Oceny Środowiska Pracy 33, no. 2(92) (2017): 133–47. http://dx.doi.org/10.5604/01.3001.0010.0062.

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Under normal conditions, 1,2-dimethoxyethane (DME) is a colorless and transparent liquid with a faint odor of ether, very soluble in water, charac-terized by a high vapor pressure. It belongs to the group of alkyl ethers solvents, derivatives of eth-ylene glycol. 1,2-Dimethoxyethane is used as an ex-cipient in preparing and processing industrial chemicals, in the production of fluoric polymers and as a solvent and cleaning agent in the microe-lectronics and printing industries. In the literature there are no data on the acute and chronic toxicity of 1,2-dimethoxyethane. However, long-term epid

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31

Pillai, Sadafara A., Sureshkumar Chavda, and Pratap Bahadur. "Aqueous solution behavior of cationic surfactant modulated by glycol additives: Investigating aggregation and microstructure of tetradecyltrimethylammonium bromide micelles in the presence of propylene glycol, its ethers and esters." Journal of Molecular Liquids 223 (November 2016): 1291–96. http://dx.doi.org/10.1016/j.molliq.2016.09.051.

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32

Grobelny, Zbigniew, Justyna Jurek-Suliga, and Sylwia Golba. "Application of Monopotassium Dipropylene Glycoxide for Homopolymerization and Copolymerization of Monosubstituted Oxiranes: Characterization of Synthesized Macrodiols by MALDI-TOF Mass Spectrometry." Polymers 12, no. 12 (2020): 2795. http://dx.doi.org/10.3390/polym12122795.

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Monopotassium dipropylene glycoxide, activated by a 18-crown-6 cation complexing agent (K-DPG/L, where DPG (dipropylene glycol) is a mixture of isomers) was used as an effective initiator of the homopolymerization and copolymerization of several monosubstituted oxiranes, i.e., propylene oxide (PO), 1.2-butylene oxide (BO), and some glycidyl ethers such as allyl, isopropyl, phenyl, and benzyl ones (AGE, IPGE, PGE, and BGE, respectively). The copolymers are novel and can be prospectively used for the fabrication of new thermoplastic or crosslinked polyurethanes. All processes were carried out in

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33

Werner, S., L. Hegg, D. Pamies, et al. "P19-49 In vitro and PBTK models to assess the hepatic and extra-hepatic metabolism of propylene glycol ethers in the context of CNS toxicity." Toxicology Letters 399 (September 2024): S272—S273. http://dx.doi.org/10.1016/j.toxlet.2024.07.658.

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34

Hopf, Nancy B., Laura Suter-Dick, Jörg Huwyler, et al. "Novel Strategy to Assess the Neurotoxicity of Organic Solvents Such as Glycol Ethers: Protocol for Combining In Vitro and In Silico Methods With Human-Controlled Exposure Experiments." JMIR Research Protocols 13 (January 18, 2024): e50300. http://dx.doi.org/10.2196/50300.

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Background Chemicals are not required to be tested systematically for their neurotoxic potency, although they may contribute to the development of several neurological diseases. The absence of systematic testing may be partially explained by the current Organisation for Economic Co-operation and Development (OECD) Test Guidelines, which rely on animal experiments that are expensive, laborious, and ethically debatable. Therefore, it is important to understand the risks to exposed workers and the general population exposed to domestic products. In this study, we propose a strategy to test the ne

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35

Bashir, Qaiser, Peter F. Thall, Dawen Sui, Cristina Knape, Jitesh Kawedia, and Muzaffar H. Qazilbash. "Trial in Progress: A Prospective Phase I/II Trial to Jointly Optimize the Administration Schedule(s) and Dose(s) of Melphalan for Injection (Evomela) As a Preparative Regimen for Autologous Hematopoietic Stem Cell Transplantation in Newly Diagnosed Multiple Myeloma." Blood 136, Supplement 1 (2020): 37–38. http://dx.doi.org/10.1182/blood-2020-139853.

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Background: High-dose chemotherapy followed by autologous hematopoietic cell transplantation (auto HCT) is considered to be the standard of care treatment for transplant-eligible patients with multiple myeloma (MM). The most commonly used conditioning regimen in this setting is high-dose melphalan by intravenous administration. Conventional melphalan formulations, when administered at high doses, can put patients at risk of potential propylene glycol-associated toxicities. Melphalan for injection (Evomela) is propylene glycol free (PGF), can be dissolved directly using saline, and as a PGF ref

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36

Ye, Changshen, Xiaolian Dong, Wenjie Zhu, Dongren Cai, and Ting Qiu. "Isobaric vapor–liquid equilibria of the binary mixtures propylene glycol methyl ether+propylene glycol methyl ether acetate, methyl acetate+propylene glycol methyl ether and methanol+propylene glycol methyl ether acetate at 101.3kPa." Fluid Phase Equilibria 367 (April 2014): 45–50. http://dx.doi.org/10.1016/j.fluid.2014.01.022.

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37

Jiang, Xingmao, Nanguo Liu, Roger A. Assink, Yingbing Jiang, and C. Jeffrey Brinker. "Photoresponsive Release from Azobenzene-Modified Single Cubic Crystal NaCl/Silica Particles." Journal of Nanomaterials 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/439756.

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Azobenzene ligands were uniformly anchored to the pore surfaces of nanoporous silica particles with single crystal NaCl using 4-(3-triethoxysilylpropylureido)azobenzene (TSUA). The functionalization delayed the release of NaCl significantly. The modified particles demonstrated a photocontrolled release by trans/cis isomerization of azobenzene moieties. The addition of amphiphilic solvents, propylene glycol (PG), propylene glycol propyl ether (PGPE), and dipropylene glycol propyl ether (DPGPE) delayed the release in water, although the wetting behavior was improved and the delay is the most for

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38

Lebedev, A. V., and S. N. Lysenko. "Extension of the Working Temperature Range of Magnetic Fluid Susceptibility Measurements." Solid State Phenomena 190 (June 2012): 649–52. http://dx.doi.org/10.4028/www.scientific.net/ssp.190.649.

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Tests have been carried out to measure the temperature dependence of static susceptibility of a magnetic fluid stabilized with polypropylene glycol (PPG) in propanol, ethyl ether and propylene oxide. The use of propylene oxide provides the widest temperature range for measurements of fluid susceptibility. The coagulation stability of the PPG-stabilized magnetic fluid against ethylene glycol and 1,4-butylene glycol is investigated. It has been shown that ethylene glycol can be used to separate PPG magnetic fluid into fractions. The fluid separation begins as soon as the volumetric fraction of e

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39

Wang, Yong Jie. "ZM Solid Catalysts for Synthesis of 1-Butoxy-2-Propanol with High Selectivity." Advanced Materials Research 415-417 (December 2011): 1771–76. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.1771.

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This document explains and demonstrates the problem of butanol and propylene oxide propoxylation, ZrO2 load active alkali metal oxides MgO the catalytic propoxylation method, analyzed a new type of catalyst activity and selectivity. The results show that the synthesis of ZM complex oxide as a catalyst for the reaction of butanol substrate, through the catalytic reaction of propylene oxide, selective access to the propylene glycol ether, High selectivity synthesis 1-butoxy-2-propanol. Synthesis of complex oxide catalyst ZM series in the course of the performance of the primary ether good select

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40

Wang, Yong Jie, and Mu Zhang. "MZ Solid Catalysts for Synthesis of 1-Methoxy-2-Propanol with High Selectivity." Advanced Materials Research 616-618 (December 2012): 1717–20. http://dx.doi.org/10.4028/www.scientific.net/amr.616-618.1717.

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This document explains and demonstrates the problem of Methanol and propylene oxide propoxylation, ZrO2 load active alkali metal oxides MgO the catalytic propoxylation method, analyzed a new type of catalyst activity and selectivity. The results show that the synthesis of MZ complex oxide as a catalyst for the reaction of Methanol substrate, through the catalytic reaction of propylene oxide, selective access to the propylene glycol ether, High selectivity synthesis 1-Methoxy-2-propanol. Synthesis of complex oxide catalyst MZ series in the course of the performance of the primary ether good sel

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41

Dentan, A., A. Devanthéry, J. E. de Peyer, and P. O. Droz. "Propylene glycol monomethyl ether (PGME) exposure." International Archives of Occupational and Environmental Health 73, no. 5 (2000): 349–51. http://dx.doi.org/10.1007/s004200000121.

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42

Solangi, K. H., Ahmad Amiri, M. R. Luhur, et al. "Experimental investigation of heat transfer performance and frictional loss of functionalized GNP-based water coolant in a closed conduit flow." RSC Advances 6, no. 6 (2016): 4552–63. http://dx.doi.org/10.1039/c5ra23998b.

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The convective heat transfer coefficient and friction factor of trimethylolpropane tris[poly(propylene glycol), amine terminated] ether-treated graphene nanoplatelet-based water coolants are investigated.

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43

Zhao, Cen, Julie R. Peller, Stephen P. Mezyk, Prashant V. Kamat, and Kevin E. O’Shea. "Oxidative remediation of 4-methylcyclohexanemethanol (MCHM) and propylene glycol phenyl ether (PPh). Evidence of contaminant repair reaction pathways." Physical Chemistry Chemical Physics 19, no. 20 (2017): 13324–32. http://dx.doi.org/10.1039/c7cp01896g.

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Rate constants and reaction efficiencies were determined for HO˙-mediated reactions for 4-methylcyclohexanemethanol and propylene glycol phenyl ether to simulate contaminant remediation in surface waters.

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44

Karakashev, Stoyan I., Nikolay A. Grozev, Khandjamts Batjargal, et al. "Correlations for Easy Calculation of the Critical Coalescence Concentration (CCC) of Simple Frothers." Coatings 10, no. 7 (2020): 612. http://dx.doi.org/10.3390/coatings10070612.

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Can the critical coalescence concentration (CCC) of the flotation frothers be predictable? What is the relation between their molecular structure and their CCC values? A literature survey found specific correlations between the hydrophilic-lipophilic balances (HLB) and HLB/Mw (where Mw stands for the molecular mass) of homologue series of frothers and their CCC values, but the results are invalid when the molecule’s functional groups change. For this reason, 37 frothers with known values of CCC were analyzed. The CCC values of seven frothers were determined, and the rest were taken from the li

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45

Makarova, Veronika, Mark Mandrik, and Sergey Antonov. "Laser Microinterferometry for API Solubility and Phase Equilibria: Darunavir as a Case Example." Pharmaceutics 17, no. 7 (2025): 875. https://doi.org/10.3390/pharmaceutics17070875.

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Background: The solubility and phase behavior of APIs are crucial for the development of medicines and ensuring their stability. However, conventional experimental approaches often do not allow for the precise determination of phase transitions and solubility limits, especially for poorly soluble compounds. Purpose: The aim of this study was to demonstrate the possibility of using the laser microinterferometry method, traditionally used to define the phase equilibria of polymer systems, to determine the thermodynamic solubility of the APIs. Methods: Using laser microinterferometry, the thermod

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Devanthéry, A., A. Dentan, M. Berode, and P. O. Droz. "Propylene glycol monomethyl ether (PGME) occupational exposure." International Archives of Occupational and Environmental Health 73, no. 5 (2000): 311–15. http://dx.doi.org/10.1007/s004200000120.

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Hsieh, Cheng-Ting, Ming-Jer Lee, and Ho-mu Lin. "Multiphase Equilibria for Mixtures Containing Acetic Acid, Water, Propylene Glycol Monomethyl Ether, and Propylene Glycol Methyl Ether Acetate." Industrial & Engineering Chemistry Research 45, no. 6 (2006): 2123–30. http://dx.doi.org/10.1021/ie051245t.

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Skálová, Tereza, Jarmila Dušková, Jindřich Hašek, Petr Kolenko, Andrea Štěpánková, and Jan Dohnálek. "Alternative polymer precipitants for protein crystallization." Journal of Applied Crystallography 43, no. 4 (2010): 737–42. http://dx.doi.org/10.1107/s0021889810014317.

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A set of 16 inexpensive and commercially available polymer precipitants were tested for protein crystallization. Eight of them were found suitable: polyethylene glycol dimethyl ether of molecular weight (MW) 500, 1000 and 2000; di[poly(ethylene glycol)] adipate, MW 900; poly(ethylene glycol-ran-propylene glycol), MW 2500 and 12000; poly(acrylic acid) sodium salt, MW 2100; and polyethylene glycol methyl ether methacrylate, MW 1100. Two new crystallization screens, PolyA and PolyB, were formulated using these eight polymers, each containing 96 solutions – four polymers in combination with 24 com

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Wang, Kaijun, Qifan Mao, Weimin Fei, Lingxin Kong, Xiaoyan Cao, and Zhenggui Gu. "Synthesis of core–shell Ce-modified mixed metal oxides derived from P123-templated layered double hydroxides." RSC Advances 11, no. 14 (2021): 8375–83. http://dx.doi.org/10.1039/d1ra00227a.

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A shell of P123-templated CeMgAl-LDO was distributed in transverse and longitudinal directions on spheres of SiO<sub>2</sub>. The composites displayed high catalytic activity in the synthesis of propylene glycol methyl ether.

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Ninhaus-Silveira, Alexandre, Fausto Foresti, Alexandre de Azevedo, Cláudio Ângelo Agostinho, and Rosicleire Veríssimo-Silveira. "Cryogenic preservation of embryos ofProchilodus lineatus(Valenciennes, 1836) (Characiforme; Prochilodontidae)." Zygote 17, no. 1 (2009): 45–55. http://dx.doi.org/10.1017/s0967199408004991.

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SummaryWhile the freezing techniques of mammal embryos have been providing promising results, the cryopreservation of teleostean eggs and embryos have remained unsuccessful up to now. Therefore, this work aimed to develop a procedure of cryogenic preservation of embryos ofProchilodus lineatusand to observe, at both structural and ultrastructural levels, the morphological alterations that took place after the application of freezing/thawing techniques. The embryos at the morula stage could not tolerate exposure to the cryoprotectants ethylene glycol monomethyl ether, propylene glycol monomethyl

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