Articles with "cloud point" as a keyword



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Dual-responsive pegylated polypeptoids with tunable cloud point temperatures.

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Published in 2019 at "Biopolymers"

DOI: 10.1002/bip.23243

Abstract: A series of pegylated polypeptoids have been readily synthesized by a strategy combining ring-opening polymerization (ROP) and thiol-yne photoaddition. The polypeptoids simultaneously incorporated branched oligo(ethylene glycol) (OEG) units and thioether bonds in the side-chains. All… read more here.

Keywords: tunable cloud; pegylated polypeptoids; dual responsive; responsive pegylated ... See more keywords
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Effect of dicationic ionic liquids on cloud points of tergitol surfactant and the formation of aqueous micellar two-phase systems

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Published in 2021 at "Journal of Materials Science"

DOI: 10.1007/s10853-021-06055-1

Abstract: A cloud point evaluation was performed for the nonionic surfactant Tergitol 15-S-7 in aqueous solutions of McIlvaine buffer (pH 7.0). Cloud point temperatures of the selected nonionic surfactant were studied in relation to the effect… read more here.

Keywords: dicationic ionic; dicationic ils; effect; ionic liquids ... See more keywords
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Evaluate the exposure of toxic metals via drinking water and smoking nonbranded cigarette in malnourished women by modified single/two-step cloud point extraction

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-07897-z

Abstract: Presently, the exposure of heavy metals (cadmium and lead) was determined in biological sample (serum) of women (pregnant and nonpregnant) who belong to low socioeconomic group (malnutrition). The cadmium (Cd) and lead (Pb) were determined… read more here.

Keywords: water; step; point extraction; cigarette ... See more keywords
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Performance Evaluation and Thermodynamic Studies for the Simultaneous Cloud Point Extraction of Erythrosine and Tartrazine Using Mixed Micelles in Food Samples

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Published in 2017 at "Food Analytical Methods"

DOI: 10.1007/s12161-017-0923-1

Abstract: The present method describes simultaneous determination of erythrosine and tartrazine after cloud point extraction using mixed micelles. The coacervate phase containing the analytes was determined spectrophotometrically by measuring the absorbance at 525 and 425 nm for… read more here.

Keywords: point extraction; erythrosine tartrazine; food; cloud point ... See more keywords
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Extractive biodegradation of diphenyl ethers in a cloud point system: Pollutant bioavailability enhancement and surfactant recycling

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Published in 2017 at "Biotechnology and Bioprocess Engineering"

DOI: 10.1007/s12257-017-0085-4

Abstract: The biodegradation of diphenyl ethers (DEs) in the environment is limited by their high hydrophobicity. The enhancement of DE bioavailability by a cloud point system (CPS) was investigated in this study. Three CPSs (i.e., Triton… read more here.

Keywords: phase; biodegradation; bioavailability; diphenyl ethers ... See more keywords
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Recovery of Ru(III) from hydrochloric acid by cloud point extraction with 2-Mercaptobenzothiazole-functionalized ionic liquid

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2016.09.027

Abstract: Abstract An arisen and environment-friendly method of cloud point extraction (CPE) which involved Octylphenoxypolyethoxyethanol (TX-114) as surfactant and 2-Mercaptobenzothiazole-functionalized ionic liquid as extractant was carried out to separate Ru(III) from aqueous phase to bottom surfactant… read more here.

Keywords: iii; extraction; ionic liquid; mercaptobenzothiazole functionalized ... See more keywords
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Macroporous poly (l-lactic acid)/chitosan nanofibrous scaffolds through cloud point thermally induced phase separation for enhanced bone regeneration

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Published in 2018 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2018.10.003

Abstract: Abstract A new method called cloud point thermally induced phase separation (CP-TIPS) was developed to prepare poly ( l -lactic acid) (PLLA) scaffolds with macropores over 300 μm in PLLA/dioxane/H2O ternary system. The concentration of PLLA… read more here.

Keywords: point thermally; thermally induced; induced phase; point ... See more keywords
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Phase equilibrium of PVAc + CO2 binary systems and PVAc + CO2 + ethanol ternary systems

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Published in 2018 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2017.11.029

Abstract: Abstract The cloud point and bubble point isopleths were measured for poly(vinyl acetate) (PVAc) + CO2 binary systems and PVAc + CO2 + ethanol ternary systems using a supercritical CO2 phase equilibrium apparatus. A transition point measurement device was designed to… read more here.

Keywords: ternary systems; pvac co2; point; cloud point ... See more keywords
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Indirect determination of the flavor enhancer maltol in foods and beverages through flame atomic absorption spectrometry after ultrasound assisted-cloud point extraction.

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Published in 2017 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.05.066

Abstract: A simple ultrasound assisted-cloud point extraction (UA-CPE) method was developed and combined with flame atomic absorption spectrometry (FAAS) for pre-concentration and indirect determination of the flavor enhancer maltol in foods and beverages. The method is… read more here.

Keywords: assisted cloud; foods beverages; point extraction; maltol ... See more keywords
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Unexpected thermo-responsiveness of bisurea-functionalized hydrophilic polymers in water.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.07.147

Abstract: HYPOTHESIS Thermoresponsive polymers are important materials for various applications. However, the number of polymers that exhibit this property in the temperature range of interest remains limited. The development of novel rational design strategies through the… read more here.

Keywords: unexpected thermo; temperature; water; bisurea functionalized ... See more keywords
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Characteristics and antitumor activity of polysorbate 80 curcumin micelles preparation by cloud point cooling

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Published in 2020 at "Journal of Drug Delivery Science and Technology"

DOI: 10.1016/j.jddst.2020.101871

Abstract: Abstract Curcumin is a natural bioactive compound with known potential for cancer treatment and prevention. However, a major barrier for clinical application is its poor solubility and bioavailability. Nanotechnology is an effective approach to enhance… read more here.

Keywords: polysorbate; antitumor activity; characteristics antitumor; cloud point ... See more keywords