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Items: 1 to 50 of 190

1.

Glassy Dynamics and Translational-Rotational Coupling of an Ionically Conducting Pharmaceutical Salt-Sodium Ibuprofen.

K P SH, Thayyil MS, Poulose A, Ngai KL.

J Phys Chem B. 2019 Aug 19. doi: 10.1021/acs.jpcb.9b06478. [Epub ahead of print]

PMID:
31424212
2.

The JG β-relaxation in water and impact on the dynamics of aqueous mixtures and hydrated biomolecules.

Capaccioli S, Ngai KL, Ancherbak S, Bertoldo M, Ciampalini G, Thayyil MS, Wang LM.

J Chem Phys. 2019 Jul 21;151(3):034504. doi: 10.1063/1.5100835.

PMID:
31325935
3.

Relations between the Structural α-Relaxation and the Johari-Goldstein β-Relaxation in Two Monohydroxyl Alcohols: 1-Propanol and 5-Methyl-2-hexanol.

Ngai KL, Wang LM.

J Phys Chem B. 2019 Jan 24;123(3):714-719. doi: 10.1021/acs.jpcb.8b11453. Epub 2019 Jan 14.

PMID:
30601008
4.

Deviations of dynamic parameters characterizing enthalpic and dielectric relaxations in glass forming alkyl phosphates.

Saini MK, Guo Y, Wu T, Ngai KL, Wang LM.

J Chem Phys. 2018 Nov 28;149(20):204505. doi: 10.1063/1.5051570.

PMID:
30501246
5.

Why is the change of the Johari-Goldstein β-relaxation time by densification in ultrastable glass minor?

Ngai KL, Paluch M, Rodríguez-Tinoco C.

Phys Chem Chem Phys. 2018 Nov 7;20(43):27342-27349. doi: 10.1039/c8cp05107k.

PMID:
30375597
6.

Direct Experimental Characterization of Contributions from Self-Motion of Hydrogen and from Interatomic Motion of Heavy Atoms to Protein Anharmonicity.

Liu Z, Yang C, Huang J, Ciampalini G, Li J, García Sakai V, Tyagi M, O'Neill H, Zhang Q, Capaccioli S, Ngai KL, Hong L.

J Phys Chem B. 2018 Nov 1;122(43):9956-9961. doi: 10.1021/acs.jpcb.8b09355. Epub 2018 Oct 22.

PMID:
30295486
7.

Distinguishing different classes of secondary relaxations from vapour deposited ultrastable glasses.

Rodríguez-Tinoco C, Ngai KL, Rams-Baron M, Rodríguez-Viejo J, Paluch M.

Phys Chem Chem Phys. 2018 Aug 29;20(34):21925-21933. doi: 10.1039/c8cp02341g.

PMID:
29862402
8.

Molecular dynamics, physical and thermal stability of neat amorphous amlodipine besylate and in binary mixture.

Safna Hussan KP, Thayyil MS, Deshpande SK, Jinitha TV, Manoj K, Ngai KL.

Eur J Pharm Sci. 2018 Jul 1;119:268-278. doi: 10.1016/j.ejps.2018.04.030. Epub 2018 Apr 24.

PMID:
29702233
9.

Contrasting two different interpretations of the dynamics in binary glass forming mixtures.

Valenti S, Capaccioli S, Ngai KL.

J Chem Phys. 2018 Feb 7;148(5):054504. doi: 10.1063/1.5012088.

PMID:
29421903
10.

Secondary relaxation in ultrastable etoricoxib: evidence of correlation with structural relaxation.

Rodríguez-Tinoco C, Rams-Baron M, Ngai KL, Jurkiewicz K, Rodríguez-Viejo J, Paluch M.

Phys Chem Chem Phys. 2018 Feb 7;20(6):3939-3945. doi: 10.1039/c7cp06445d.

PMID:
29360120
11.

Why is surface diffusion the same in ultrastable, ordinary, aged, and ultrathin molecular glasses?

Ngai KL, Paluch M, Rodríguez-Tinoco C.

Phys Chem Chem Phys. 2017 Nov 15;19(44):29905-29912. doi: 10.1039/c7cp05357f.

PMID:
29086788
12.

Presence of global and local α-relaxations in an alkyl phosphate glass former.

Wu T, Jin X, Saini MK, Liu YD, Ngai KL, Wang LM.

J Chem Phys. 2017 Oct 7;147(13):134501. doi: 10.1063/1.4994868.

PMID:
28987093
13.

Direct Evidence of Relaxation Anisotropy Resolved by High Pressure in a Rigid and Planar Glass Former.

Tu W, Valenti S, Ngai KL, Capaccioli S, Liu YD, Wang LM.

J Phys Chem Lett. 2017 Sep 21;8(18):4341-4346. doi: 10.1021/acs.jpclett.7b01837. Epub 2017 Aug 30.

PMID:
28841327
14.

Critical structural fluctuations of proteins upon thermal unfolding challenge the Lindemann criterion.

Katava M, Stirnemann G, Zanatta M, Capaccioli S, Pachetti M, Ngai KL, Sterpone F, Paciaroni A.

Proc Natl Acad Sci U S A. 2017 Aug 29;114(35):9361-9366. doi: 10.1073/pnas.1707357114. Epub 2017 Aug 14.

15.

A new secondary relaxation in the rigid and planar 1-methylindole: Evidence from binary mixture studies.

Wang M, Li X, Guo Y, Wu T, Liu YD, Ngai KL, Wang LM.

J Chem Phys. 2016 Dec 7;145(21):214501. doi: 10.1063/1.4968564.

PMID:
28799385
16.

Atorvastatin as a Promising Crystallization Inhibitor of Amorphous Probucol: Dielectric Studies at Ambient and Elevated Pressure.

Knapik-Kowalczuk J, Wojnarowska Z, Rams-Baron M, Jurkiewicz K, Cielecka-Piontek J, Ngai KL, Paluch M.

Mol Pharm. 2017 Aug 7;14(8):2670-2680. doi: 10.1021/acs.molpharmaceut.7b00152. Epub 2017 Jul 26.

PMID:
28692796
17.

Relating Ultrastable Glass Formation to Enhanced Surface Diffusion via the Johari-Goldstein β-Relaxation in Molecular Glasses.

Ngai KL, Wang LM, Yu HB.

J Phys Chem Lett. 2017 Jun 15;8(12):2739-2744. doi: 10.1021/acs.jpclett.7b01192. Epub 2017 Jun 7.

PMID:
28585827
18.

Molecular mobility in the supercooled and glassy states of nizatidine and perphenazine.

Sailaja U, Shahin Thayyil M, Krishna Kumar NS, Govindaraj G, Ngai KL.

Eur J Pharm Sci. 2017 Mar 1;99:147-151. doi: 10.1016/j.ejps.2016.11.024. Epub 2016 Dec 1.

PMID:
27916696
19.

Modifications of Structure and Intermolecular Potential of a Canonical Glassformer: Dynamics Changing with Dipole-Dipole Interaction.

Jedrzejowska A, Ngai KL, Paluch M.

J Phys Chem A. 2016 Nov 10;120(44):8781-8785. Epub 2016 Oct 26.

PMID:
27759381
20.

A fast dynamic mode in rare earth based glasses.

Zhao LZ, Xue RJ, Zhu ZG, Ngai KL, Wang WH, Bai HY.

J Chem Phys. 2016 May 28;144(20):204507. doi: 10.1063/1.4952421.

PMID:
27250316
21.

Dynamics of hydrated proteins and bio-protectants: Caged dynamics, β-relaxation, and α-relaxation.

Ngai KL, Capaccioli S, Paciaroni A.

Biochim Biophys Acta Gen Subj. 2017 Jan;1861(1 Pt B):3553-3563. doi: 10.1016/j.bbagen.2016.04.027. Epub 2016 May 4.

PMID:
27155356
22.

Universal Behavior of Dielectric Responses of Glass Formers: Role of Dipole-Dipole Interactions.

Paluch M, Knapik J, Wojnarowska Z, Grzybowski A, Ngai KL.

Phys Rev Lett. 2016 Jan 15;116(2):025702. doi: 10.1103/PhysRevLett.116.025702. Epub 2016 Jan 15.

PMID:
26824551
23.

Changes in dynamics of the glass-forming pharmaceutical nifedipine in binary mixtures with octaacetylmaltose.

Kaminska E, Tarnacka M, Kaminski K, Ngai KL, Paluch M.

Eur J Pharm Biopharm. 2015 Nov;97(Pt A):185-91. doi: 10.1016/j.ejpb.2015.09.010. Epub 2015 Sep 30.

PMID:
26428937
24.

Secondary relaxation dynamics in rigid glass-forming molecular liquids with related structures.

Li X, Wang M, Liu R, Ngai KL, Tian Y, Wang LM, Capaccioli S.

J Chem Phys. 2015 Sep 14;143(10):104505. doi: 10.1063/1.4930262.

PMID:
26374048
25.

Dynamic Properties of Glass-Formers Governed by the Frequency Dispersion of the Structural α-Relaxation: Examples from Prilocaine.

Wojnarowska Z, Rams-Baron M, Knapik J, Ngai KL, Kruk D, Paluch M.

J Phys Chem B. 2015 Oct 1;119(39):12699-707. doi: 10.1021/acs.jpcb.5b06426. Epub 2015 Sep 18.

PMID:
26356490
26.

Coupling of Caged Molecule Dynamics to JG β-Relaxation III: van der Waals Glasses.

Ngai KL, Capaccioli S, Prevosto D, Wang LM.

J Phys Chem B. 2015 Sep 24;119(38):12519-25. doi: 10.1021/acs.jpcb.5b07294. Epub 2015 Sep 15.

PMID:
26340473
27.

Coupling of Caged Molecule Dynamics to JG β-Relaxation II: Polymers.

Ngai KL, Capaccioli S, Prevosto D, Wang LM.

J Phys Chem B. 2015 Sep 24;119(38):12502-18. doi: 10.1021/acs.jpcb.5b07293. Epub 2015 Sep 15.

PMID:
26317769
28.

Coupling of Caged Molecule Dynamics to JG β-Relaxation: I.

Capaccioli S, Ngai KL, Thayyil MS, Prevosto D.

J Phys Chem B. 2015 Jul 16;119(28):8800-8. doi: 10.1021/acs.jpcb.5b04408. Epub 2015 Jul 7.

PMID:
26090692
30.

Reconsidering the dynamics in mixtures of methyltetrahydrofuran with tristyrene and polystyrene.

Ngai KL, Capaccioli S.

J Phys Chem B. 2015 Apr 30;119(17):5677-84. doi: 10.1021/acs.jpcb.5b00488. Epub 2015 Apr 15.

PMID:
25825792
31.

Interpreting the nonlinear dielectric response of glass-formers in terms of the coupling model.

Ngai KL.

J Chem Phys. 2015 Mar 21;142(11):114502. doi: 10.1063/1.4913980.

PMID:
25796256
32.

Microscopic dynamics perspective on the relationship between Poisson's ratio and ductility of metallic glasses.

Ngai KL, Wang LM, Liu R, Wang WH.

J Chem Phys. 2014 Jan 28;140(4):044511. doi: 10.1063/1.4862822.

PMID:
25669559
33.

Invariance of conductivity relaxation under pressure and temperature variations at constant conductivity relaxation time in 0.4Ca(NO₃)₂-0.6KNO₃.

Wojnarowska Z, Ngai KL, Paluch M.

Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Dec;90(6):062315. Epub 2014 Dec 29.

PMID:
25615101
34.

miR-466 is putative negative regulator of Coxsackie virus and Adenovirus Receptor.

Lam WY, Cheung AC, Tung CK, Yeung AC, Ngai KL, Lui VW, Chan PK, Tsui SK.

FEBS Lett. 2015 Jan 16;589(2):246-54. doi: 10.1016/j.febslet.2014.12.006. Epub 2014 Dec 10.

35.

Origin of the crossover in dynamics of the sub-Rouse modes at the same temperature as the structural α-relaxation in polymers.

Wu X, Liu CS, Ngai KL.

Soft Matter. 2014 Dec 14;10(46):9324-33. doi: 10.1039/c4sm01658k.

PMID:
25341184
36.

An alternative explanation of the change in T-dependence of the effective Debye-Waller factor at T(c) or T(B).

Ngai KL, Habasaki J.

J Chem Phys. 2014 Sep 21;141(11):114502. doi: 10.1063/1.4895554.

PMID:
25240359
37.

Response to booster doses of hepatitis B vaccine among young adults who had received neonatal vaccination.

Chan PK, Ngai KL, Lao TT, Wong MC, Cheung T, Yeung AC, Chan MC, Luk SW.

PLoS One. 2014 Sep 8;9(9):e107163. doi: 10.1371/journal.pone.0107163. eCollection 2014.

38.

Compositional origin of unusual β-relaxation properties in La-Ni-Al metallic glasses.

Zhu ZG, Li YZ, Wang Z, Gao XQ, Wen P, Bai HY, Ngai KL, Wang WH.

J Chem Phys. 2014 Aug 28;141(8):084506. doi: 10.1063/1.4893954.

PMID:
25173020
39.

Photodynamic inactivation of bacteria and viruses using two monosubstituted zinc(II) phthalocyanines.

Ke MR, Eastel JM, Ngai KL, Cheung YY, Chan PK, Hui M, Ng DK, Lo PC.

Eur J Med Chem. 2014 Sep 12;84:278-83. doi: 10.1016/j.ejmech.2014.07.022. Epub 2014 Jul 7.

PMID:
25036788
40.
41.

Oligolysine-conjugated zinc(II) phthalocyanines as efficient photosensitizers for antimicrobial photodynamic therapy.

Ke MR, Eastel JM, Ngai KL, Cheung YY, Chan PK, Hui M, Ng DK, Lo PC.

Chem Asian J. 2014 Jul;9(7):1868-75. doi: 10.1002/asia.201402025. Epub 2014 May 5.

PMID:
24799418
42.

Temperature dependence of the structural relaxation time in equilibrium below the nominal T(g): results from freestanding polymer films.

Ngai KL, Capaccioli S, Paluch M, Prevosto D.

J Phys Chem B. 2014 May 22;118(20):5608-14. doi: 10.1021/jp502846t. Epub 2014 May 14.

PMID:
24798795
43.

Origins of the two simultaneous mechanisms causing glass transition temperature reductions in high molecular weight freestanding polymer films.

Prevosto D, Capaccioli S, Ngai KL.

J Chem Phys. 2014 Feb 21;140(7):074903. doi: 10.1063/1.4865752.

PMID:
24559366
44.

Bench to bed evidences for pharmacokinetic and pharmacodynamic interactions involving oseltamivir and chinese medicine.

Chang Q, Wo S, Ngai KL, Wang X, Fok B, Ngan TM, Wong VT, Chan TY, Lee VH, Tomlinson B, Chan PK, Chow MS, Zuo Z.

Evid Based Complement Alternat Med. 2014;2014:354172. doi: 10.1155/2014/354172. Epub 2014 Jan 9.

45.

Clinical and virologic factors associated with reduced sensitivity of rapid influenza diagnostic tests in hospitalized elderly patients and young children.

Chan MC, Lee N, Ngai KL, Leung TF, Chan PK.

J Clin Microbiol. 2014 Feb;52(2):497-501. doi: 10.1128/JCM.02316-13. Epub 2013 Nov 27.

46.

Revisiting the influence of chain length on the α- and β-relaxations in oligomeric glass formers.

Ngai KL.

J Chem Phys. 2013 Dec 28;139(24):244912. doi: 10.1063/1.4854115.

PMID:
24387401
47.

A prospective intervention study on higher-dose oseltamivir treatment in adults hospitalized with influenza a and B infections.

Lee N, Hui DS, Zuo Z, Ngai KL, Lui GC, Wo SK, Tam WW, Chan MC, Wong BC, Wong RY, Choi KW, Sin WW, Lee EL, Tomlinson B, Hayden FG, Chan PK.

Clin Infect Dis. 2013 Dec;57(11):1511-9. doi: 10.1093/cid/cit597. Epub 2013 Sep 17.

PMID:
24046309
48.

Knowledge, attitude, practice and barriers on vaccination against human papillomavirus infection: a cross-sectional study among primary care physicians in Hong Kong.

Wong MC, Lee A, Ngai KL, Chor JC, Chan PK.

PLoS One. 2013 Aug 21;8(8):e71827. doi: 10.1371/journal.pone.0071827. eCollection 2013.

49.

Molecular dynamics study of network statistics in lithium disilicate: Q(n) distribution and the pressure-volume diagram.

Habasaki J, Ngai KL.

J Chem Phys. 2013 Aug 14;139(6):064503. doi: 10.1063/1.4817544.

PMID:
23947867
50.

Note: thermorheological complexity in polymers and the problem of the glass transition.

Ngai KL, Roland CM.

J Chem Phys. 2013 Jul 21;139(3):036101. doi: 10.1063/1.4813322. No abstract available.

PMID:
23883060

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