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Showing 1 to 12 of 492 entries
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Redox regulation by glutathione needs enzymes.

Frontiers in pharmacology

Berndt C, Lillig CH, Flohé L.
PMID: 25100998
Front Pharmacol. 2014 Jul 17;5:168. doi: 10.3389/fphar.2014.00168. eCollection 2014.

No abstract available.

Radially and azimuthally polarized nanosecond Yb-doped fiber MOPA system incorporating temporal shaping.

Optics letters

Lin D, Baktash N, Berendt M, Beresna M, Kazansky PG, Clarkson WA, Alam SU, Richardson DJ.
PMID: 28454149
Opt Lett. 2017 May 01;42(9):1740-1743. doi: 10.1364/OL.42.001740.

We report an Yb-doped fiber master-oscillator power-amplifier (MOPA) system with the capability of selectively generating doughnut-shaped radially and azimuthally polarized beams with user-defined temporal pulse shapes. The desired output polarization was generated with the aid of a nanograting spatially...

Author Correction: Glacigenic sedimentation pulses triggered post-glacial gas hydrate dissociation.

Nature communications

Karstens J, Haflidason H, Becker LWM, Berndt C, Rüpke L, Planke S, Liebetrau V, Schmidt M, Mienert J.
PMID: 29515133
Nat Commun. 2018 Mar 07;9(1):1033. doi: 10.1038/s41467-018-03587-0.

The original version of this Article contained an error in the second sentence of the Abstract, which incorrectly read 'They are stable under high pressure and low, but react sensitively to environmental changes.' The correct version adds 'temperature' after...

Photoisomerization dynamics and pathways of trans- and cis-azobenzene in solution from broadband femtosecond spectroscopies and calculations.

The journal of physical chemistry. B

Quick M, Dobryakov AL, Gerecke M, Richter C, Berndt F, Ioffe IN, Granovsky AA, Mahrwald R, Ernsting NP, Kovalenko SA.
PMID: 24983924
J Phys Chem B. 2014 Jul 24;118(29):8756-71. doi: 10.1021/jp504999f. Epub 2014 Jul 11.

The photoisomerization of azobenzene in solution was studied experimentally and by calculations. trans-to-cis and cis-to-trans dynamics are described through broadband transient absorption, fluorescence, and stimulated Raman spectroscopy. Transient absorption was extended to cover not only the nπ* band but...

13-cis-Retinoic acid on coinage metals: hierarchical self-assembly and spin generation.

Physical chemistry chemical physics : PCCP

Zhang X, Li N, Zhang Y, Berndt R, Wang Y.
PMID: 28561842
Phys Chem Chem Phys. 2017 Jun 14;19(23):14919-14923. doi: 10.1039/c7cp01568b.

Hierarchical self-assembly of 13-cis-retinoic acid on Au(111) and Ag(111) was investigated using low-temperature scanning tunnelling microscopy. On both surfaces, molecules form dimers by hydrogen bonds and the dimers arrange into ordered two-dimensional arrays through van der Waals forces. Three...

[Distribution of mitoses and.

Wilhelm Roux's archives of developmental biology

Egelhaaf A, Berndt P, Küthe HW.
PMID: 28304935
Wilehm Roux Arch Dev Biol. 1975 Jun;178(2):185-202. doi: 10.1007/BF00848396.

1. During the first four days after pupation the eye anlage extends by cell proliferation from a dorsocaudal differentiation center. This extension is due to a peripheral growth zone and leads to a tripling of the eye area. During...

Vacuum synthesis of magnetic aluminum phthalocyanine on Au(111).

Chemical communications (Cambridge, England)

Hong IP, Li N, Zhang YJ, Wang H, Song HJ, Bai ML, Zhou X, Li JL, Gu GC, Zhang X, Chen M, Gottfried JM, Wang D, Lü JT, Peng LM, Hou SM, Berndt R, Wu K, Wang YF.
PMID: 27406881
Chem Commun (Camb). 2016 Aug 16;52(68):10338-41. doi: 10.1039/c6cc03359h.

Air-unstable magnetic aluminum phthalocyanine (AlPc) molecules are prepared by an on-surface metalation reaction of phthalocyanine with aluminum (Al) atoms on Au(111) in ultrahigh vacuum. Experiments and density functional theory calculations show that an unpaired spin is located on the...

Alleviating the Breast Cancer Experience: A Plea for Psycho-Oncology.

Breast care (Basel, Switzerland)

Hermelink K, Berndt U, Haidinger R.
PMID: 26195934
Breast Care (Basel). 2015 Apr;10(2):82-3. doi: 10.1159/000382050.

No abstract available.

A novel analytical low-cost flow system based on a 0.6 MPa (84 psi) diaphragm pump applied to on-line trace pre-concentration in flame AAS and ICP-OES.

Analytical and bioanalytical chemistry

Ratka A, Berndt H.
PMID: 12560973
Anal Bioanal Chem. 2003 Jan;375(2):275-80. doi: 10.1007/s00216-002-1649-4. Epub 2002 Nov 28.

A novel inexpensive 0.6 MPa (84 psi) flow system based on a low-cost diaphragm pump has been developed. The unfavourable strong pulsation of the pump has been overcome by using highly flexible silicone tubing as a pulse suppression coil....

Electromagnetic coupling on an atomic scale.

Physical review letters

Aizpurua J, Hoffmann G, Apell SP, Berndt R.
PMID: 12366012
Phys Rev Lett. 2002 Oct 07;89(15):156803. doi: 10.1103/PhysRevLett.89.156803. Epub 2002 Sep 24.

Light emission from a scanning tunneling microscope is used to investigate the electromagnetic coupling (EMC) of a metal tip and a metal sample. Subatomic scale modifications of the tip-sample region cause spectral shifts of the fluorescence as demonstrated for...

Sharper images by focusing soft X-rays with photon sieves.

Nature

Kipp L, Skibowski M, Johnson RL, Berndt R, Adelung R, Harm S, Seemann R.
PMID: 11700552
Nature. 2001 Nov 08;414(6860):184-8. doi: 10.1038/35102526.

Fresnel zone plates consisting of alternating transmissive and opaque circular rings can be used to focus X-rays. The spatial resolution that can be achieved with these devices is of the order of the width of the outermost zone and...

Topomerization of a distorted diamond-shaped tetraborane(4) and its hydroboration to a closo-pentaborane(7) with a nido structure.

Angewandte Chemie (International ed. in English)

Präsang C, Hofmann M, Geiseler G, Massa W, Berndt A.
PMID: 12616565
Angew Chem Int Ed Engl. 2003 Mar 03;42(9):1049-52. doi: 10.1002/anie.200390271.

No abstract available.

Showing 1 to 12 of 492 entries