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Showing 25 to 36 of 569 entries
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Kinetics of capillary condensation in nanoscopic sliding friction.

Physical review letters

Riedo E, Lévy F, Brune H.
PMID: 12005697
Phys Rev Lett. 2002 May 06;88(18):185505. doi: 10.1103/PhysRevLett.88.185505. Epub 2002 Apr 18.

The velocity and humidity dependence of nanoscopic sliding friction has been studied on CrN and diamondlike carbon surfaces with an atomic force microscope. The surface wettability is found to be decisive. Partially hydrophilic surfaces show a logarithmic decrease of...

Stereochemical effects in supramolecular self-assembly at surfaces: 1-D versus 2-D enantiomorphic ordering for PVBA and PEBA on Ag(111).

Journal of the American Chemical Society

Barth JV, Weckesser J, Trimarchi G, Vladimirova M, De Vita A, Cai C, Brune H, Günter P, Kern K.
PMID: 12095343
J Am Chem Soc. 2002 Jul 10;124(27):7991-8000. doi: 10.1021/ja0256764.

We present investigations on noncovalent bonding and supramolecular self-assembly of two related molecular building blocks at a noble metal surface: 4-[trans-2-(pyrid-4-yl-vinyl)]benzoic acid (PVBA) and 4-[(pyrid-4-yl-ethynyl)]benzoic acid (PEBA). These rigid, rodlike molecules comprising the same complementary moieties for hydrogen bond...

Spatial distribution of calcareous dinoflagellate cysts in surface sediments of the Atlantic Ocean between 13 degrees N and 36 degrees S.

Review of palaeobotany and palynology

Zonneveld KA, Brune A, Willems H.
PMID: 11035166
Rev Palaeobot Palynol. 2000 Sep 01;111(3):197-223. doi: 10.1016/s0034-6667(00)00024-5.

To enhance the limited information available about the palaeo-ecological significance of calcareous dinoflagellates, we have studied their lateral distribution in surface sediments of the equatorial and south Atlantic between 13 degrees N and 36 degrees S. Calcareous dinoflagellate cysts...

[2-Arylpropionic acids. Role in pain therapy].

Schmerz (Berlin, Germany)

Brune K, Hinz B.
PMID: 12799951
Schmerz. 1998 Dec 09;12(6):383-8. doi: 10.1007/s004829800037.

The antipyretic analgesics still comprise the most widely used group of analgesic compounds. Until twenty years ago, aspirin, phenazone derivatives and acetaminophen had been used as standard remedies for intercurrent harmless pain conditions in connection with infections, trauma, small...

[Treatment of tension-type headache. Recommendation of the German Migraine and Headache Society].

Schmerz (Berlin, Germany)

Pfaffenrath V, Brune K, Diener HC, Gerber WD, Göbel H.
PMID: 12799984
Schmerz. 1998 Apr 20;12(2):156-68; discussion 169-70. doi: 10.1007/s004829800056.

No abstract available.

[Therapy of the acute migraine attack and migraine prophylaxis. Recommendation of the "Deutsche Migräne- und Kopfschmerz-Gesellschaft].

Schmerz (Berlin, Germany)

Diener HC, Brune K, Gerber WD, Pfaffenrath V, Straube A.
PMID: 12800034
Schmerz. 2000 Aug;14(4):269-83. doi: 10.1007/s004820000041.

No abstract available.

Identification of defect sites on MgO(100) thin films by decoration with Pd atoms and studying CO adsorption properties.

Journal of the American Chemical Society

Abbet S, Riedo E, Brune H, Heiz U, Ferrari AM, Giordano L, Pacchioni G.
PMID: 11414852
J Am Chem Soc. 2001 Jun 27;123(25):6172-8. doi: 10.1021/ja0157651.

CO adsorption on Pd atoms deposited on MgO(100) thin films has been studied by means of thermal desorption (TDS) and Fourier transform infrared (FTIR) spectroscopies. CO desorbs from the adsorbed Pd atoms at a temperature of about 250 K,...

Interaction potential and hopping dynamics governing sliding friction.

Physical review letters

Riedo E, Gnecco E, Bennewitz R, Meyer E, Brune H.
PMID: 14525243
Phys Rev Lett. 2003 Aug 22;91(8):084502. doi: 10.1103/PhysRevLett.91.084502. Epub 2003 Aug 19.

The friction force on a nanometer-sized tip sliding on a surface is related to the thermally activated hopping of the contact atoms on an effective atomic interaction potential. A general analytical expression relates the height of this potential and...

Differential enumeration and in situ localization of microorganisms in the hindgut of the lower termite mastotermes darwiniensis by hybridization with rRNA-targeted probes.

Archives of microbiology

Berchtold M, Chatzinotas A, Schonhuber W, Brune A, Amann R, Hahn D, Konig H.
PMID: 10591851
Arch Microbiol. 1999 Dec;172(6):407-16. doi: 10.1007/s002030050778.

We examined the abundance and spatial distribution of major phylogenetic groups of the domain Bacteria in hindguts of the Australian lower termite Mastotermes darwiniensis by using in situ hybridization with group-specific, fluorescently labeled, rRNA-targeted oligonucleotide probes. Between 32.0 +/-...

Formation of 4-hydroxynonenal and further aldehydic mediators of inflammation during bromotrichlorornethane treatment of rat liver cells.

Mediators of inflammation

Sommerburg O, Grune T, Klee S, Ungemach FR, Siems WG.
PMID: 18475499
Mediators Inflamm. 1993;2(1):27-31. doi: 10.1155/S0962935193000031.

Bromotrichloromethane (CBrCl(3)) treatment is a model for studies on molecular mechanisms of haloalkane toxicity with some advantages compared with CCl(4) treatment. The formation of 4-hydroxynonenal and similar aldehydic products of lipid peroxidation, which play a role as mediators of...

Influence of luteinizing hormone and prostaglandin F(2alpha) on progesterone secretion in superfused minced bovine luteal tissue in the early stage of the estrous cycle.

Theriogenology

Hoedemaker M, Grunert E.
PMID: 16726274
Theriogenology. 1987 May;27(5):699-709. doi: 10.1016/0093-691x(87)90292-5.

Minced luteal tissue of bovine corpora lutea from Day 4, 5, and 6 of the estrous cycle (n = 4 corpora lutea each) was superfused for 9 h, and the progesterone secretion under the influence of 100 ng luteinizing...

Postpartum adrenocortical function in dairy cows with dystocia submitted to cesarean section.

Theriogenology

Nakao T, Grunert E.
PMID: 16726667
Theriogenology. 1989 Aug;32(2):205-9. doi: 10.1016/0093-691x(89)90311-7.

The effects of the stress of dystocia on the adrenocortical function post partum in cows (n=6) requiring a cesarean section were assessed by an adrenocorticotropic hormone (ACTH) stimulation test. Nine cows that calved normally were used as controls. The...

Showing 25 to 36 of 569 entries