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John A Ripmeester

Explore the profile of John A Ripmeester including associated specialties, affiliations and a list of published articles. Areas
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Articles 124
Citations 392
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Recent Articles
1.
Alavi S, Moudrakovski I, Ratcliffe C, Ripmeester J
J Chem Phys . 2024 Jun; 160(21). PMID: 38832748
Methane is considered to be a cubic structure I (CS-I) clathrate hydrate former, although in a number of instances, small amounts of structure II (CS-II) clathrate hydrate have been transiently...
2.
Ripmeester J, Alavi S
Chem Commun (Camb) . 2022 Mar; 58(25):4095-4098. PMID: 35289812
Alternative interpretations of the experimental results given in the Communication of Petuya are presented. There is evidence that under certain conditions, ammonia can be incorporated into clathrate hydrate cages.
3.
Takeya S, Muromachi S, Yoneyama A, Hirano K, Hyodo K, Ripmeester J
J Phys Chem Lett . 2022 Feb; 13(9):2130-2136. PMID: 35226502
The superheated state of methane (CH) hydrate that exists under the surface ice layer can persist for considerable lengths of time, which showed promise as a method for storing and...
4.
Udachin K, Ripmeester J
Angew Chem Int Ed Engl . 2021 Jun; 38(13-14):1983-1984. PMID: 34182667
The stacking of hydrate cages into channels is effected by the incorporation of polyacrylic acid together with tetra-n-butylammonium hydroxide into a hydrate lattice. The polymer chain (shown in the diagram...
5.
Su Z, Alavi S, Ripmeester J, Wolosh G, Dias C
J Phys Chem B . 2021 Apr; 125(16):4162-4168. PMID: 33861613
Here, we perform molecular dynamics simulations to provide atomic-level insights into the dual roles of methanol in enhancing and delaying the rate of methane clathrate hydrate nucleation. Consistent with experiments,...
6.
Lucier B, Terskikh V, Guo J, Bourque J, McOnie S, Ripmeester J, et al.
Inorg Chem . 2020 Sep; 59(18):13651-13670. PMID: 32883071
Ultrawideline Cl solid-state nuclear magnetic resonance (SSNMR) spectra of a series of 12 tin chlorides were recorded. The magnitude of the Cl quadrupolar coupling constant () was shown to consistently...
7.
Shimizu G, Enright G, Ratcliffe C, Ripmeester J, Wayner D
Angew Chem Int Ed Engl . 2018 May; 37(10):1407-1409. PMID: 29710897
Structural similarity with clay-type minerals is apparent in the self-assembled layered coordination network [{Ag(1)(MeCN) } ][BF ] , which is stabilized by a lamellar chelate effect (section of structure shown...
8.
Dureckova H, Woo T, Udachin K, Ripmeester J, Alavi S
Faraday Discuss . 2017 Jul; 203:61-77. PMID: 28722076
Clathrate hydrate phases of Cl and Br guest molecules have been known for about 200 years. The crystal structure of these phases was recently re-determined with high accuracy by single...
9.
Liu M, Wang K, Wang L, Han S, Fan H, Rowell N, et al.
Nat Commun . 2017 Jun; 8():15467. PMID: 28580962
Little is known about the induction period before the nucleation and growth of colloidal semiconductor quantum dots. Here, we introduce an approach that allows us to probe intermediates present in...
10.
Shin K, Moudrakovski I, Ratcliffe C, Ripmeester J
Angew Chem Int Ed Engl . 2017 Mar; 56(22):6171-6175. PMID: 28276621
Methanol is one of the most common inhibitors for clathrate hydrate formation. Crystalline clathrate hydrates containing methanol were synthesized and analyzed by powder X-ray diffraction and C NMR spectroscopy. The...