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Showing 25 to 36 of 353 entries
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Metal-rich, neutral and cationic organotin clusters.

Angewandte Chemie (International ed. in English)

Richards AF, Eichler BE, Brynda M, Olmstead MM, Power PP.
PMID: 15782378
Angew Chem Int Ed Engl. 2005 Apr 22;44(17):2546-9. doi: 10.1002/anie.200500117.

No abstract available.

Evolution of biogeographic disjunction between eastern Asia and eastern North America in Phryma (Phrymaceae).

American journal of botany

Nie ZL, Sun H, Beardsley PM, Olmstead RG, Wen J.
PMID: 21642199
Am J Bot. 2006 Sep;93(9):1343-56. doi: 10.3732/ajb.93.9.1343.

This study examines molecular and morphological differentiation in Phryma L., which has only one species with a well-known classic intercontinental disjunct distribution between eastern Asia (EA) and eastern North America (ENA). Phylogenetic analysis of nuclear ribosomal ITS and chloroplast...

Structural similarities in C(s)(16)-C86 and C(2)(17)-C86.

Chemical communications (Cambridge, England)

Wang Z, Yang H, Jiang A, Liu Z, Olmstead MM, Balch AL.
PMID: 20539875
Chem Commun (Camb). 2010 Aug 07;46(29):5262-4. doi: 10.1039/c0cc00697a. Epub 2010 Jun 10.

We report an analysis of the similar structures of C(s)(16)-C(86) and C(2)(17)-C(86) from a single crystal X-ray diffraction study of C(s)(16)/C(2)(17)-C(86) x (nickel octaethylporphyrin) x 2toluene.

Evolution of novel morphological and reproductive traits in a clade containing Antirrhinum majus (Scrophulariaceae).

American journal of botany

Reeves P, Olmstead R.
PMID: 21684990
Am J Bot. 1998 Aug;85(8):1047.

Phylogenetic analysis of DNA sequences of the chloroplast genes rcbL and ndhf revealed a highly supported clade composed of the families Plantaginaceae, Callitrichaceae, and Hippuridaceae in close association with the model organism Antirrhinum majus and other members of family...

An unsymmetric oxo/imido-bridged germanium-centered singlet diradicaloid.

Journal of the American Chemical Society

Wang X, Peng Y, Olmstead MM, Fettinger JC, Power PP.
PMID: 19757810
J Am Chem Soc. 2009 Oct 14;131(40):14164-5. doi: 10.1021/ja906053y.

Reaction of the digermyne Ar'GeGeAr' (1) with ONC(6)H(4)-2-CH(3) affords a unique example of an unsymmetric singlet diradicaloid, the oxo/imido-bridged species Ar'Ge(mu-O)(mu-NC(6)H(4)-2-CH(3))GeAr' (2), which was characterized by spectroscopy, X-ray crystallography, and density functional theory computations. The direct reaction of 1...

Flux growth and structure of two compounds with the EuIn2P2 structure type, AIn2P2 (A = Ca and Sr), and a new structure type, BaIn2P2.

Acta crystallographica. Section C, Crystal structure communications

Rauscher JF, Condron CL, Beault T, Kauzlarich SM, Jensen N, Klavins P, MaQuilon S, Fisk Z, Olmstead MM.
PMID: 19805864
Acta Crystallogr C. 2009 Oct;65:i69-73. doi: 10.1107/S0108270109035987. Epub 2009 Sep 30.

Single crystals of the new Zintl phases AIn2P2 [A = Ca (calcium indium phosphide), Sr (strontium indium phosphide) and Ba (barium indium phosphide)] have been synthesized from a reactive indium flux. CaIn2P2 and SrIn2P2 are isostructural with EuIn2P2 and...

Synthesis and characterization of the homologous M-M bonded series Ar'MMAr' (M = Zn, Cd, or Hg; Ar' = C6H3-2,6-(C6H3-2,6-Pr(i)2)2) and related arylmetal halides and hydride species.

Journal of the American Chemical Society

Zhu Z, Brynda M, Wright RJ, Fischer RC, Merrill WA, Rivard E, Wolf R, Fettinger JC, Olmstead MM, Power PP.
PMID: 17691782
J Am Chem Soc. 2007 Sep 05;129(35):10847-57. doi: 10.1021/ja072682x. Epub 2007 Aug 11.

The synthesis and structural characterization of the first homologous, molecular M-M bonded series for the group 12 metals are reported. The compounds Ar'MMAr' (M = Zn, Cd, or Hg; Ar' = C(6)H(3)-2,6-(C(6)H(3)-2,6-Pr(i)(2))(2)) were synthesized by reduction of the corresponding...

Isolation and structural characterization of the molecular nanocapsule Sm(2)@D(3d)(822)-C(104).

Angewandte Chemie (International ed. in English)

Mercado BQ, Jiang A, Yang H, Wang Z, Jin H, Liu Z, Olmstead MM, Balch AL.
PMID: 19856363
Angew Chem Int Ed Engl. 2009;48(48):9114-6. doi: 10.1002/anie.200904662.

No abstract available.

Direct algorithm for digital image restoration.

Applied optics

Abdelmalek NN, Kasvand T, Olmstead J, Tremblay MM.
PMID: 20372357
Appl Opt. 1981 Dec 15;20(24):4227-33. doi: 10.1364/AO.20.004227.

In this paper we report some experimental results of a direct algorithm for the solution of digital image restoration problems. The solution is obtained directly from the system of linear equations that result from the discretization of the Fredholm...

New tetraazaannulene hosts for fullerenes.

Inorganic chemistry

Franco JU, Hammons JC, Rios D, Olmstead MM.
PMID: 20441157
Inorg Chem. 2010 Jun 07;49(11):5120-5. doi: 10.1021/ic1002513.

Two modifications to the doubly concaved host molecules based on well-known nickel tetraazaannulene complexes have resulted in the preparation of the compounds Ni(NapTMTAA).2benzene, 1,6,8,15,17-tetramethyldinapthalene-5,9,14,18-tetraazacyclotetradecinatonickel(II), and Ni(Cl(4)TMTAA).CH(2)Cl(2), 2,3,11,12-tetrachloro-6,8,15,17-tetramethyldibenzo-5,9,14,18-tetraazacyclotetradecinatonickel(II). When crystallized with C(60) in carbon disulfide, the crystalline, well-ordered, host-guest compounds...

Evolution of breeding systems and fruits in New World Galium and relatives (Rubiaceae).

American journal of botany

Soza VL, Olmstead RG.
PMID: 21616799
Am J Bot. 2010 Oct;97(10):1630-46. doi: 10.3732/ajb.1000130. Epub 2010 Sep 15.

PREMISE OF THE STUDY: Dioecy occurs in only about 6% of angiosperms, yet it has evolved many times from hermaphroditism. Polygamy is an even more uncommon condition within angiosperms, in which both unisexual and bisexual flowers occur within a...

Bis[1-(1-adamantyliminomethyl)-2-naphtholato-κN,O]cobalt(II).

Acta crystallographica. Section E, Structure reports online

Franco JU, Olmstead MM, Hammons JC.
PMID: 21200984
Acta Crystallogr Sect E Struct Rep Online. 2008 Sep 06;64:m1223. doi: 10.1107/S1600536808027475.

The title compound, [Co(C(21)H(22)NO)(2)], crystallizes with two mol-ecules in the asymmetric unit. The coordination environments of the two Co(II) ions are distorted tetra-hedral. The primary structural difference between the two independent complex mol-ecules lies in the orientations of their...

Showing 25 to 36 of 353 entries