Results 241 to 250 of about 1,776,297 (283)

Poly(lactic-<i>co</i>-glycolic acid) for reagent storage and controlled release in thermoplastic microfluidics.

Lab Chip
Lee J, Benke EH, White IM, DeVoe DL.
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RNAs undergo phase transitions with lower critical solution temperatures

Nature Chemistry, 2022
AbstractCo-phase separation of RNAs and RNA-binding proteins is thought to drive the biogenesis of ribonucleoprotein granules. RNAs can also undergo phase transitions in the absence of proteins. However, the physicochemical driving forces of protein-free, RNA-driven phase transitions remain unclear.
Gable M. Wadsworth, Walter J. Zahurancik, Xiangze Zeng, Paul Pullara, Lien B. Lai, Vaishnavi Sidharthan, Rohit V. Pappu, Venkat Gopalan, Priya R. Banerjee   +8 more
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Upper and Lower Critical Solution Temperatures in Polystyrene Solutions. II

Macromolecules, 1973
Abstract Upper and lower critical solution temperatures have been determined for solutions of polyethylene in n-butyl acetate and n-amyl acetate over the molecular weight range of M η = 1·36 × 10 4 to 17·5 × 10 4 . Polyethylene solution in n-butyl acetate displays a smaller miscibility region than that of the polyethylene/n-amyl acetate system,
N. Kuwahara, S. Saeki, T. Chiba, M. Kaneko   +3 more
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Thermoresponsive dendronized polymers with tunable lower critical solution temperatures

Chemical Communications, 2008
A series of first (PG 1) and second generation (PG 2) dendronized polymers were synthesized which exhibit fast and sharp phase transitions with negligible hystereses in aqueous solutions and apparent lower critical solution temperatures (LCSTs) in the range of 33-49 degrees C.
Wen, Li, Afang, Zhang, A Dieter, Schlüter   +2 more
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Lower and upper critical solution temperatures of binary polymeric solutions

Fluid Phase Equilibria, 2016
Abstract The phase behavior of binary polymeric solutions such as lower and upper critical solution temperatures has an important role in many polymeric processes. For theoretical investigation on the prediction of these temperatures, a substantial number of data points on binary polymeric solutions were collected from literature and used to present ...
Ayoub Ejraei, Samira Shirvani, Mohammad Ali Aroon, Milad Asgarpour Khansary, Sepideh Khalaj   +4 more
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Lower critical solution temperature study on cellulose diacetate-acetone solutions

European Polymer Journal, 1982
Abstract Cloud points of acetone solutions of four well-fractionated samples of cellulose diacetate (degree of substitution = 2.46) have been measured at elevated temperatures. The molecular weight of the fractions ranged from 3.76 × 104 to 17.5 × 104.
H. Suzuki, K. Kamide, M. Saitoh
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Microcalorimetric detection of lower critical solution temperatures in aqueous polymer solutions

The Journal of Physical Chemistry, 1990
A sensitive solution microcalorimeter was used to study lower critical solution temperatures (LCSTs) of aqueous polymer solutions. Endotherms with enthalpies on the order of the strength of hydrogen bonds were observed at temperatures concurring with LCSTs detected by classical cloud-point measurements for solutions of poly(N-isopropylacrylamide ...
Schild, Howard G., Tirrell, David A.
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Concentration Fluctuations near Lower Critical Solution Temperature in Ternary Aqueous Solutions

Macromolecules, 2017
The effects of osmolytes, such as trimethylamine N-oxide (TMAO), on the phase transition in an aqueous solution of polymer, protein, or DNA are very complex, and several phase transitions can occur. In order to explore such effects, we take a simple ternary system of poly(N,N-diethylacrylamide) and a favorable solvent pair TMAO and water to monitor the
Di Jia, Murugappan Muthukumar, He Cheng, Charles C. Han, Boualem Hammouda   +4 more
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