Thermodynamic, structural, and dynamic properties of supercooled water confined in mesoporous MCM-41 studied with calorimetric, neutron diffraction, and neutron spin echo measurements

ABSTRACTThe effect of ions on the structure and dynamics of aggracan solutions was investigated using a variety of scattering techniques (neutron spin echo, small angle neutron scattering, static and dynamic light scattering). The results show that aggrecan forms microgel-like assemblies which remain stable in the presence of counter-ions. As opposed to many synthetic polyelectrolytes which exhibit a great sensitivity to ion concentration and charge valency, it was found that aggrecan solutions are remarkable insensitive to charge valence. This property of aggrecan is consistent with its biological role as an ion reservoir mediating calcium metabolism and maintaining dimensional stability in cartilage and bone.

Download Full-text

Dynamic Properties of Water Confined in Sephadex G15 Gel by Quasi-Elastic Neutron Scattering and Neutron Spin Echo Measurements

Bulletin of the Chemical Society of Japan ◽

10.1246/bcsj.20130328 ◽

2014 ◽

Vol 87 (5) ◽

pp. 603-608 ◽

Cited By ~ 5

Author(s):

Kanae Ito ◽

Koji Yoshida ◽

Marie-Claire Bellissent-Funel ◽

Toshio Yamaguchi

Keyword(s):

Neutron Scattering ◽

Dynamic Properties ◽

Spin Echo ◽

Neutron Spin ◽

Elastic Neutron ◽

Neutron Spin Echo ◽

Elastic Neutron Scattering

Download Full-text

Mesomorphic, structural, electro-optic and dynamic properties of lactic acid derivative and its selectively deuterated isotopomers by means of electro-optics, SAXS, 2H-NMR and neutron spin-echo spectroscopy

Liquid Crystals ◽

10.1080/02678292.2019.1641232 ◽

2019 ◽

Vol 47 (13) ◽

pp. 1999-2015 ◽

Cited By ~ 3

Author(s):

Alexej Bubnov ◽

Mario Cifelli ◽

Martin Cigl ◽

Peter Fouquet ◽

Vera Hamplova ◽

...

Keyword(s):

Lactic Acid ◽

Acid Derivative ◽

Dynamic Properties ◽

Spin Echo ◽

Neutron Spin ◽

2H Nmr ◽

Neutron Spin Echo ◽

Electro Optic

Download Full-text

Neutron spin echo measurements of monolayer and capillary condensed water in MCM-41 at low temperatures

Journal of Physics Condensed Matter ◽

10.1088/0953-8984/24/6/064101 ◽

2012 ◽

Vol 24 (6) ◽

pp. 064101 ◽

Cited By ~ 22

Author(s):

K Yoshida ◽

T Yamaguchi ◽

S Kittaka ◽

M-C Bellissent-Funel ◽

P Fouquet

Keyword(s):

Low Temperatures ◽

Spin Echo ◽

Neutron Spin ◽

Neutron Spin Echo ◽

Condensed Water ◽

Mcm 41

Download Full-text

A neutron spin echo study of low-temperature water confined in the spherical silica pores of SBA-16

Physical Chemistry Chemical Physics ◽

10.1039/c6cp08047b ◽

2017 ◽

Vol 19 (16) ◽

pp. 10502-10510

Author(s):

Shigeharu Kittaka ◽

Koji Yoshida ◽

Toshio Yamaguchi ◽

M.-C. Bellissent Funel ◽

Peter Fouquet

Keyword(s):

Low Temperature ◽

Heavy Water ◽

Dynamic Properties ◽

Spin Echo ◽

Porous Silica ◽

Neutron Spin ◽

Light Water ◽

Neutron Spin Echo ◽

Spherical Silica ◽

Temperature Water

The dynamic properties of heavy water (D2O) and light water (H2O) confined in porous silica SBA-16 were studied over a temperature range of 210–290 K by neutron spin echo measurements.

Download Full-text

Study on the temperature-dependent coupling among viscosity, conductivity and structural relaxation of ionic liquids

Physical Chemistry Chemical Physics ◽

10.1039/c5cp02335a ◽

2015 ◽

Vol 17 (29) ◽

pp. 19126-19133 ◽

Cited By ~ 13

Author(s):

Tsuyoshi Yamaguchi ◽

Takuya Yonezawa ◽

Shinobu Koda

Keyword(s):

Ionic Liquids ◽

Structural Relaxation ◽

Spin Echo ◽

Neutron Spin ◽

Temperature Dependent ◽

Frequency Dependent ◽

Neutron Spin Echo ◽

Dependent Viscosity

The frequency-dependent viscosity and conductivity of three imidazolium-based ionic liquids were measured at several temperatures in the MHz region, and the results are compared with the intermediate scattering functions determined by neutron spin echo spectroscopy.

Download Full-text