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Showing 13 to 24 of 402 entries
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Stability of the Parent Anion of the Potential Radiosensitizer 8-Bromoadenine Formed by Low-Energy (<3 eV) Electron Attachment.

The journal of physical chemistry. B

Schürmann R, Tanzer K, Dąbkowska I, Denifl S, Bald I.
PMID: 28525718
J Phys Chem B. 2017 Jun 15;121(23):5730-5734. doi: 10.1021/acs.jpcb.7b02130. Epub 2017 Jun 02.

8-Bromoadenine (

Some relevant points on sperm DNA fragmentation tests.

Translational andrology and urology

Muratori M, Baldi E.
PMID: 29082178
Transl Androl Urol. 2017 Sep;6:S560-S563. doi: 10.21037/tau.2017.03.47.

No abstract available.

Low-valent iron: an Fe(I) ate compound as a building block for a linear trinuclear Fe cluster.

Chemical communications (Cambridge, England)

Lichtenberg C, Viciu L, Vogt M, Rodríguez-Lugo RE, Adelhardt M, Sutter J, Khusniyarov MM, Meyer K, de Bruin B, Bill E, Grützmacher H.
PMID: 26221636
Chem Commun (Camb). 2015 Sep 21;51(73):13890-3. doi: 10.1039/c5cc04908c.

A low-valent trinuclear iron complex with an unusual linear Fe(I)-Fe(II)-Fe(I) unit is presented. It is accessed in a rational approach using a salt metathesis reaction between a new anionic Fe(I) containing heterocycle and FeCl2. Its electronic structure was studied...

Fast piezoelectric valve offering controlled gas injection in magnetically confined fusion plasmas for diagnostic and fuelling purposes.

The Review of scientific instruments

Griener M, Schmitz O, Bald K, Bösser D, Cavedon M, De Marné P, Eich T, Fuchert G, Herrmann A, Kappatou A, Lunt T, Rohde V, Schweer B, Sochor M, Stroth U, Terra A, Wolfrum E.
PMID: 28372367
Rev Sci Instrum. 2017 Mar;88(3):033509. doi: 10.1063/1.4978629.

In magnetically confined fusion plasmas controlled gas injection is crucial for plasma fuelling as well as for various diagnostic applications such as active spectroscopy. We present a new, versatile system for the injection of collimated thermal gas beams into...

Dickkopf-3 Contributes to the Regulation of Anti-Tumor Immune Responses by Mesenchymal Stem Cells.

Frontiers in immunology

Lu KH, Tounsi A, Shridhar N, Küblbeck G, Klevenz A, Prokosch S, Bald T, Tüting T, Arnold B.
PMID: 26734010
Front Immunol. 2015 Dec 24;6:645. doi: 10.3389/fimmu.2015.00645. eCollection 2015.

Mesenchymal stem cells (MSCs) are known to limit immune responses in vivo by multiple soluble factors. Dickkopf-3 (DKK3), a secreted glycoprotein, has recently been identified as a novel immune modulator. Since DKK3 has been reported to be produced by...

A cubic Fe4Mo4 oxo framework and its reversible four-electron redox chemistry.

Inorganic chemistry

Falkenhagen JP, Braun B, Bill E, Sattler D, Limberg C.
PMID: 24981960
Inorg Chem. 2014 Jul 21;53(14):7294-308. doi: 10.1021/ic500584a. Epub 2014 Jul 01.

The potential of iron molybdates as catalysts in the Formox process stimulates research on aggregated but molecular iron-molybdenum oxo compounds. In this context, [(Me3TACN)Fe](OTf)2 was reacted with (nBu4N)2[MoO4], which led to an oxo cluster, [[(Me3TACN)Fe][μ-(MoO4-κ(3)O,O',O″)]]4 (1, Fe4Mo4) with a...

Exchange Coupling in an Isostructural Series of Face-Sharing Bioctahedral Complexes [LM(II)(&mgr;-X)(3)M(II)L]BPh(4) (M = Mn, Fe, Co, Ni, Zn; X = Cl, Br; L = 1,4,7-Trimethyl-1,4,7-triazacyclononane).

Inorganic chemistry

Bossek U, Nühlen D, Bill E, Glaser T, Krebs C, Weyhermüller T, Wieghardt K, Lengen M, Trautwein AX.
PMID: 11669919
Inorg Chem. 1997 Jun 18;36(13):2834-2843. doi: 10.1021/ic970119h.

The reaction of the divalent metal halides ZnCl(2), ZnBr(2), MnCl(2).4CH(3)CN, MnBr(2), FeCl(2).4CH(3)CN, CoCl(2).4CH(3)CN, CoBr(2), NiCl(2).6H(2)O, and NiBr(2), respectively, with the macrocycle 1,4,7-trimethyl-1,4,7-triazacyclononane (L) (1:1) in anhydrous acetonitrile, acetone, chloroform, or ethanol affords upon additon of NaBPh(4) the isomorphous series...

Compound I and Compound II Analogues from Porpholactones.

Inorganic chemistry

Jayaraj K, Gold A, Austin RN, Ball LM, Terner J, Mandon D, Weiss R, Fischer J, DeCian A, Bill E, Müther M, Schünemann V, Trautwein AX.
PMID: 11670121
Inorg Chem. 1997 Sep 24;36(20):4555-4566. doi: 10.1021/ic970597s.

The tetraaza macrocycles 2-oxa-3-oxotetramesitylporphine (|H(2) 1|) and 2-oxa-3-oxotetrakis(2,6-dichlorophenyl)porphine (|H(2) 2|) and the corresponding iron complexes (|Fe(III)(X) 1| and |Fe(III)(X) 2|; X= Cl(-), OH(-), or SO(3)CF(3)(-)) have been synthesized. These macrocycles are derived from porphyrins by transformation of one pyrrole...

Molecular and electronic structures of iron(II)/(III) complexes containing N,S-coordinated, closed-shell o-aminothiophenolato(1-) and o-iminothiophenolato(2-) ligands.

Inorganic chemistry

Ghosh P, Begum A, Bill E, Weyhermüller T, Wieghardt K.
PMID: 12739961
Inorg Chem. 2003 May 19;42(10):3208-15. doi: 10.1021/ic020617c.

The coordination chemistry of the ligands o-aminothiophenol, H(abt), 4,6-di-tert-butyl-2-aminothiophenol, H[L(AP)], and 1,2-ethanediamine-N,N'-bis(2-benzenethiol), H(4)('N(2)S(2')), with FeCl(2) under strictly anaerobic and increasingly aerobic conditions has been systematically investigated. Using strictly anaerobic conditions, the neutral, air-sensitive, yellow complexes (mu-S,S)[Fe(II)(abt)(2)](2) (1), (mu-S,S)[Fe(II)(L(AP))(2)](2).8CH(3)OH (2),...

Long-range exchange interactions and integer-spin S(t) = 2 EPR spectra of a Cr(III)Zn(II)Cr(III) species with multiplet mixing.

Inorganic chemistry

Burdinski D, Bill E, Birkelbach F, Wieghardt K, Chaudhuri P.
PMID: 11300812
Inorg Chem. 2001 Mar 12;40(6):1160-6. doi: 10.1021/ic000870h.

Synthesis, structural, and spectroscopic characterization of the linear cationic complex [LCr(III)(mu-[dmg)(3)Zn(II))Cr(III)L](2+) (1) in which L = 1,4,7-trimethyl-1,4,7-triazacyclononane and dmg is the dimethylglyoximato anion are reported. The Cr...Cr distance of 1 is 7 A. SQUID magnetic susceptibility measurements reveal the...

Influence of Meso Substituents on Electronic States of (Oxoferryl)porphyrin pi-Cation Radicals.

Inorganic chemistry

Jayaraj K, Terner J, Gold A, Roberts DA, Austin RN, Mandon D, Weiss R, Bill E, Müther M, Trautwein AX.
PMID: 11666384
Inorg Chem. 1996 Mar 13;35(6):1632-1640. doi: 10.1021/ic951058v.

A series of (oxoferryl)porphyrin pi-cation radicals generated from porphyrins substituted at the meso positions with highly electron-withdrawing aryl groups has been characterized: tetrakis-5,10,15,20-(2,6-dichlorophenyl)-, 5-(2-chloro-6-nitrophenyl)-10,15,20-tris(2,6-dichlorophenyl)-, and 5-(2,6-dinitrophenyl)-10,15,20-tris(2,6-dichlorophenyl)porphyrins (porphyrins 1-3, respectively). The physical-chemical properties of the oxidized complexes of 1-3 are...

Analytical utility of 2-halopyridinium salts-II Acidimetric determination of thiol groups.

Talanta

Bald E.
PMID: 18962663
Talanta. 1980 Mar;27(3):281-2. doi: 10.1016/0039-9140(80)80057-9.

2-Chloro-1-methylpyridinium iodide reacts rapidly and quantitatively with thiol groups in the presence of excess of triethylamine to give the 2-alkyl(aryl)thio-1-methylpyridinium iodide and an equimolar amount of hydrogen chloride which is trapped by the triethylamine. The excess of triethylamine is...

Showing 13 to 24 of 402 entries