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Self-diffusion in polymer systems studied by magnetic field-gradient spin-echo NMR methods

出版机构:Elsevier Science

刊物名称:Progress in Nuclear Magnetic Resonance Spectroscopy

出版时间:2010

ISSN:0079-6565

数据源:报刊文摘

Almost Ideal 1D Water Diffusion in Imogolite Nanotubes Evidenced by NMR Relaxometry

The longitudinal proton relaxation rates R1 of water diffusing inside synthetic aluminium silicate imogolite nanotubes are measured by fast field-cycling NMR for frequencies between 0.02 and 35 MHz at 25, 37 and 50 ?C.

出版机构:WILEY‐VCH Verlag

刊物名称:ChemPhysChem

出版时间:2010

ISSN:1439-4235

数据源:报刊文摘

NMR spectroscopic filtration of polypeptides and proteins in complex mixtures

Due to the inherent complexity of the natural biological environment, most studies on polypeptides, proteins and nucleic acids have so far been performed in vitro, away from physiologically relevant conditions.

出版机构:Springer Netherlands

刊物名称:Journal of Biomolecular NMR

出版时间:2004

ISSN:0925-2738

数据源:报刊文摘

Transport properties in two pyrrolidinium-based protic ionic liquids as determined by conductivity, viscosity and NMR self-diffusion measurements

Conductivity and viscosity measurements of pyrrolidinium hydrogen sulfate, [Pyrr][HSO4], and pyrrolidinium trifluoroacetate [Pyrr][CF3COO] were performed at various temperatures over a wide temperature range (i.e., from T =273K to 353K).

出版机构:Elsevier Science

刊物名称:Fluid Phase Equilibria

出版时间:2010

ISSN:0378-3812

数据源:报刊文摘

Solubilization of flurbiprofen with non-ionic Tween20 surfactant micelles: A diffusion 1H NMR study

The diffusional behaviour of solubilized flurbiprofen (a poorly water soluble anti-inflammatory drug) in the presence of non-ionic Tween20 micelles was studied in an acidic environment (pH 3) using 1H NMR.

出版机构:Elsevier Science

刊物名称:Colloids and Surfaces A: Physicochemical and Engineering Aspects

出版时间:2010

ISSN:0927-7757

数据源:报刊文摘

Star-shaped nano-conjugates of cisplatin with high drug payload

Core?shell type star polymer bearing carboxylate functions was designed and evaluated as nanocarrier of cisplatin. The synthetic route to the star macromolecules involved the ?core first?

出版机构:Elsevier Science

刊物名称:International Journal of Pharmaceutics

出版时间:2011

ISSN:0378-5173

数据源:报刊文摘

An assessment of polydispersed species in unfractionated and low molecular weight heparins by diffusion ordered nuclear magnetic resonance spectroscopy method

The method has been briefly introduced by us in a recent contribution (vide infra). We propose a labelling of the N-acetyl peaks in the 1H NMR spectra of the UFHs and LMWHs with the parameter D i, the translational diffusion coefficient available from DOSY NMR.

出版机构:Elsevier Science

刊物名称:Journal of Pharmaceutical and Biomedical Analysis

出版时间:2010

ISSN:0731-7085

数据源:报刊文摘

Proton diffusion in the room-temperature phase of [(NH4)1−x Rb x ]3H(SO4)2 as studied by 1H spin-lattice relaxation in the rotating frame

Proton diffusion in the room-temperature phase (phase II) of [(NH4)1?x Rb x ]3H(SO4)2 (0?x?1) has been studied by means of 1H spin-lattice relaxation times in the rotating frame, T 1?. The 1H T 1? values were measured at 200.13MHz in the range of 380?490K.

出版机构:Elsevier Science

刊物名称:Solid State Nuclear Magnetic Resonance

出版时间:2010

ISSN:0926-2040

数据源:报刊文摘

Assessment of GABARAP self-association by its diffusion properties

Gamma-aminobutyric acid type A receptor-associated protein (GABARAP) belongs to a family of small ubiquitin-like adaptor proteins implicated in intracellular vesicle trafficking and autophagy.

出版机构:Springer Netherlands

刊物名称:Journal of Biomolecular NMR

出版时间:2010

ISSN:0925-2738

数据源:报刊文摘

A fast random walk algorithm for computing the pulsed-gradient spin-echo signal in multiscale porous media

A new method for computing the signal attenuation due to restricted diffusion in a linear magnetic field gradient is proposed. A fast random walk (FRW) algorithm for simulating random trajectories of diffusing spin-bearing particles is combined with gradient encoding.

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2011

ISSN:1090-7807

数据源:报刊文摘