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Showing 1 to 12 of 398 entries
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Invited Article: A novel calibration method for the JET real-time far infrared polarimeter and integration of polarimetry-based line-integrated density measurements for machine protection of a fusion plant.

The Review of scientific instruments

Boboc A, Bieg B, Felton R, Dalley S, Kravtsov Y.
PMID: 26429422
Rev Sci Instrum. 2015 Sep;86(9):091301. doi: 10.1063/1.4929443.

In this paper, we present the work in the implementation of a new calibration for the JET real-time polarimeter based on the complex amplitude ratio technique and a new self-validation mechanism of data. This allowed easy integration of the...

Versatile synthesis and enlargement of functionalized distorted heptagon-containing nanographenes.

Chemical science

Márquez IR, Fuentes N, Cruz CM, Puente-Muñoz V, Sotorrios L, Marcos ML, Choquesillo-Lazarte D, Biel B, Crovetto L, Gómez-Bengoa E, González MT, Martin R, Cuerva JM, Campaña AG.
PMID: 28451246
Chem Sci. 2017 Feb 01;8(2):1068-1074. doi: 10.1039/c6sc02895k. Epub 2016 Aug 31.

Highly distorted polycyclic aromatic hydrocarbons (PAHs) are predicted to be attractive goals in nanoscience owing to the new properties they can exhibit. We have shown that a variety of functionalized distorted heptagon-containing nanographenes can be easily prepared from simple...

STIM and Orai1 Variants in Store-Operated Calcium Entry.

Frontiers in pharmacology

Rosado JA, Diez R, Smani T, Jardín I.
PMID: 26793113
Front Pharmacol. 2016 Jan 13;6:325. doi: 10.3389/fphar.2015.00325. eCollection 2015.

Store-operated Ca(2+) entry (SOCE) is an ubiquitous mechanism for Ca(2+) entry in eukaryotic cells. This route for Ca(2+) influx is regulated by the filling state of the intracellular Ca(2+) stores communicated to the plasma membrane channels by the proteins...

Determination of free and total sulfate and phosphate in glycosaminoglycans by column-switching high-performance size-exclusion and ion chromatography and single-column ion chromatography.

The Analyst

Ruiz-Calero V, Puignou L, Diez M, Galceran MT.
PMID: 11235098
Analyst. 2001 Feb;126(2):169-74. doi: 10.1039/b007300h.

Analytical procedures for the determination of free and total sulfate and phosphate in glycosaminoglycans by high-performance liquid chromatography were studied. A column-switching method coupling high-performance size-exclusion chromatography (HPSEC) and ion chromatography (IC) is proposed for the determination of free...

Synthetic Applications of 2-(1,3-Dithian-2-yl)indoles. 7. Synthesis of Aspidospermidine.

The Journal of organic chemistry

Forns P, Diez A, Rubiralta M.
PMID: 11667747
J Org Chem. 1996 Nov 01;61(22):7882-7888. doi: 10.1021/jo9609900.

A new method of synthesizing the alkaloid aspidospermidine (1), based on building ring E on the pyridocarbazole [ABCD] ring structure, is reported. The preparation of the pyridocarbazole framework of Aspidosperma alkaloids is a new three-step synthetic application of 2-(1,3-dithian-2-yl)indoles....

First experimental observation of superscars in a pseudointegrable barrier billiard.

Physical review letters

Bogomolny E, Dietz B, Friedrich T, Miski-Oglu M, Richter A, Schäfer F, Schmit C.
PMID: 17280358
Phys Rev Lett. 2006 Dec 22;97(25):254102. doi: 10.1103/PhysRevLett.97.254102. Epub 2006 Dec 20.

With a perturbation body technique intensity distributions of the electric field strength in a flat microwave billiard with a barrier inside up to mode numbers as large as about 700 were measured. A method for the reconstruction of the...

Why German medical students abandon dissertations.

Education for health (Abingdon, England)

Diez C, Arkenau C, Meyer-Wentrup F.
PMID: 14741800
Educ Health (Abingdon). 2000;13(1):97-100. doi: 10.1080/135762800110637.

In Germany, conducting a research project followed by writing a thesis is necessary to receive the title "Doctor" but is not necessary to work as a physician. To determine the reasons that students abandon their dissertations, we conducted and...

Properties of nodal domains in a pseudointegrable barrier billiard.

Physical review. E, Statistical, nonlinear, and soft matter physics

Dietz B, Friedrich T, Miski-Oglu M, Richter A, Schäfer F.
PMID: 18999479
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Oct;78(4):045201. doi: 10.1103/PhysRevE.78.045201. Epub 2008 Oct 23.

We investigate experimentally the scaling properties of the number of nodal domains of the wave functions and the distribution of the nodal domain areas in a pseudointegrable barrier billiard. The number of nodal domains is smaller than expected for...

Induced time-reversal symmetry breaking observed in microwave billiards.

Physical review letters

Dietz B, Friedrich T, Harney HL, Miski-Oglu M, Richter A, Schäfer F, Weidenmüller HA.
PMID: 17359026
Phys Rev Lett. 2007 Feb 16;98(7):074103. doi: 10.1103/PhysRevLett.98.074103. Epub 2007 Feb 13.

Using reciprocity, we investigate the breaking of time-reversal (T) symmetry due to a ferrite embedded in a flat microwave billiard. Transmission spectra of isolated single resonances are not sensitive to T violation, whereas those of pairs of nearly degenerate...

Chaotic scattering in the regime of weakly overlapping resonances.

Physical review. E, Statistical, nonlinear, and soft matter physics

Dietz B, Friedrich T, Harney HL, Miski-Oglu M, Richter A, Schäfer F, Weidenmüller HA.
PMID: 19113179
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Nov;78(5):055204. doi: 10.1103/PhysRevE.78.055204. Epub 2008 Nov 24.

We measure the transmission and reflection amplitudes of microwaves in a resonator coupled to two antennas at room temperature in the regime of weakly overlapping resonances and in a frequency range of 3-16GHz . Below 10.1GHz the resonator simulates...

Measuring synovial fluid glucose with a portable reflectometer.

Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

Andreu JL, Mulero J, Sanz J, Martínez-Cal B, Diez E, Noguera E, Larrea A.
PMID: 19078232
J Clin Rheumatol. 1997 Dec;3(6):378. doi: 10.1097/00124743-199712000-00017.

No abstract available.

Anderson localization in carbon nanotubes: defect density and temperature effects.

Physical review letters

Biel B, García-Vidal FJ, Rubio A, Flores F.
PMID: 16486382
Phys Rev Lett. 2005 Dec 31;95(26):266801. doi: 10.1103/PhysRevLett.95.266801. Epub 2005 Dec 19.

The role of irradiation induced defects and temperature in the conducting properties of single-walled (10, 10) carbon nanotubes has been analyzed by means of a first-principles approach. We find that divacancies modify strongly the energy dependence of the differential...

Showing 1 to 12 of 398 entries