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NMR Research Group
Seminars

 

Seminars 2007

The weekly seminar of the NMR group, held at Fridays in the spectroscopy coffee room, FY216, at 14.00, is open for everyone interested. Coffee, bakings and the latest research of the group!

 

26.1. Ville-Veikko Telkki
Remote detection NMR

2.2. Henri Tervonen
A New Method for the Determination of Pore Sizes

Abstract:
Basic aspects of a new method for the determination of pore sizes are presented in the talk.

16.2. Juhani Lounila
Biaxial nematic liquid crystals

23.2. Jani Saunavaara
MRI-guided biopsy

2.3. Anu Kantola
Quadrupole coupling tensor in deuterated benzenes

Abstract:
Deuterium quadrupole coupling tensors in deuterated benzenes have been studied both experimentally by NMR spectroscopy in Liquid Crystal (LC) solvents and theoretically by ab initio electronic structure calculations. The results are presented in the talk.

9.3. Jukka Jokisaari
A short introduction to cross-relaxation

30.3. Nanna Alho
An Overview of NMR Studies of Protein - Ligand Complexes

13.4. Teemu Pennanen
NMR properties for water dimer

20.4. Juho Hokkanen
Structure determination of flavonoids

Abstract:
Principles of structure determination of flavonoids using NMR- and HPLC-MS/MS -methods. How to integrate the information originating from different experimental methods and how to resolve structure of different flavonoids? I will present the principles using examples.

27.4. Jouni Karjalainen
Parallelization of Monte Carlo molecular simulations

Abstract:
Algorithms for the parallelization of Monte Carlo molecular simulations are reviewed. Possible uses, scalability and efficiency of different algorithms is discussed.

4.5. Matti Hanni
Second virial coefficient of 129Xe nuclear shielding revisited

Abstract:
Few aspects in the theoretical calculation of the second virial coefficient of 129Xe nuclear shielding are pondered. The accuracy of final theoretical second virial coefficient curve is compared to the experiment throughout the temperature range. The reasons for the remaining deviations are discussed.

11.5. Sampo Mattila
NMR analysis of protein-ligand interactions

25.5. Pekka Tallavaara
A Novel NMR Method to Determine Nuclear Shielding Anisotropies with 13C Shielding Anisotropy of Methyl Iodide as an Example

7.9. Ville-Veikko Telkki
Influence of Thermal Modification on the Physical Properties of Wood as Studied by Means of the Diffusion of Water and Methane.

14.9. Perttu Lantto
The relativistic effects on Xe chemical shift.
Abstract:
The main relativistic effects on Xe chemical shift in various chemical environments are discussed. In all systems under discussion, they are shown to arise from five distinct physical contributions of the Breit-Pauli perturbation theory (BPPT). While being heavily dependent on electron correlation, they provide an excellent example of cross-coupling of relativity and electron correlation.

21.9. Ari Kauppinen
Results from studies of Xenon porometry

28.9. Jukka Jokisaari

5.10. Juhani Lounila
Spin-lattice relaxation of inert gases in porous materials

Abstract:
It has been observed that the spin-lattice relaxation times of fluorine nuclei in gases such as sulfur hexafluoride confined to pores are strongly dependent on the pore size. A theoretical description of this phenomenon is discussed.

12.10. Nanna Alho
Determination of protein-ligand and/or protein-protein interactions in complex samples

19.10. Sampo Mattila
Studies of Bioactive Compounds Produced by Endophytic Methylobacterium of Scots Pine

Abstract:
Internal plant microbes, endophytes, have during the recent years become in the spotlight of research. Endophytes are essential for plant defense, and numerous reports point to action of endophytes in plant growth and development. The Methylobacterium endophytes affect morphology and extend viability of Scots pine tissues through bioactive products. Infection of pine seedlings by the Methylobacterium endophytes increases lateral root formation, root length, and biomass. The biological significance of the Methylobacterium endophytes is mainly unknown

26.10. Harri Juttula
13C ja 15N rikastetun asetonitriilin hiili ja typpi ydinten varjostustensorien anisotropiat

2.11. Henri Tervonen
19F spin-lattice relaxation measurements of SF6 confined in porous materials

Abstract:
The inversion recovery method was used to study the 19F -relaxation of SF6 in porous materials. Various other methods were used to determine the pressure and the absorption of the samples to achieve a more comprehensive understanding of the physics behind the behaviour of the relaxation. Latest aspects and results will be presented in the talk.

9.11. Anne Räty
Studying molecules dissolved in liquid crystals with the variable angle spinning (VAS) NMR

Abstract:
In the presentation I will talk about my research with liquid crystals. Spectra and some of the analyses from my studies with Phase5 and Felix-R&D are discussed.

16.11. Matti Hanni
Pairwise additive approximation in xenon clusters

Abstract:
Pairwise additive approximation in small xenon clusters is introduced in the calculation of xenon NMR properties. Some results for the chemical shift are shown.

23.11. Teemu Pennanen
NMR Parameters in Water Dimer

Abstract:
NMR parameters in water dimer are monitored as the dimer geometry is systematically changed. The behavior is displayed as NMR "property surfaces", followed by a discussion of the main trends.

30.11. Päivi Kekkonen
Puututkimusta NMR-spektroskopian avulla osa 2

14.12. Pekka Tallavaara
Nestekiteet huokosessa

21.12. Anu Kantola
GMR - a.k.a what you have to do to win a Nobel prize?

Abstract:
A short overview on Giant MagnetoResistance (GMR) and its applications. The GMR phenomenon was discovered in the late 80s by the groups of Albert Fert and Peter Grunberg and they were awarded the "Nobel prize in physics 2007" for their discovery.

 

 

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