Phase Equilibrium of Methane Hydrate in the Presence of Aqueous Solutions of Quaternary Ammonium Salts

2018 ◽  
Vol 63 (7) ◽  
pp. 2410-2419 ◽  
Author(s):  
Pawan Gupta ◽  
Vishnu Chandrasekharan Nair ◽  
Jitendra S. Sangwai
Keyword(s):  
Phase Equilibrium ◽  
Aqueous Solutions ◽  
Quaternary Ammonium ◽  
Methane Hydrate ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts

Modified Na-Montmorillonite With Quaternary Ammonium Salts: Application for Removal of Salicylic Acid From Aqueous Solutions

2015 ◽  
Vol 43 (8) ◽  
pp. 1150-1156 ◽  
Author(s):  
Zilin Meng ◽  
Fengzhu Lv ◽  
Yihe Zhang ◽  
Qian Zhang ◽  
Zhilei Zhang ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Aqueous Solutions ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts

Hybridization of Oligonucleotide Probes in Aqueous Solutions: Washing in Buffers Containing Quaternary Ammonium Salts

2022 ◽  
Vol 2022 (1) ◽  
pp. pdb.prot100735 ◽  
Author(s):  
Michael R. Green ◽  
Joseph Sambrook
Keyword(s):  
Aqueous Solutions ◽  
Melting Temperature ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts ◽  
Oligonucleotide Probes ◽  
Alkylammonium Salts

In this protocol, hybridization is first performed in conventional aqueous solvents at a temperature well below the melting temperature, and the hybrids are then washed at higher stringency in buffers containing quaternary alkylammonium salts. TMACl is used with probes that are 14–50 nt in length, whereas TEACl is used with oligonucleotides that are 50–200 nt in length.

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