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Electronically Stabilized Nonplanar Phenalenyl Radical and Its Planar Isomer.

Journal of the American Chemical Society

Anamimoghadam O, Symes MD, Long DL, Sproules S, Cronin L, Bucher G.
PMID: 26526672
J Am Chem Soc. 2015 Dec 02;137(47):14944-51. doi: 10.1021/jacs.5b07959. Epub 2015 Nov 19.

Stable phenalenyl radicals have great potential as the basis for new materials for applications in the field of molecular electronics. In particular, electronically stabilized phenalenyl species that do not require steric shielding are molecules of fundamental interest, but are...

g-Engineering in Hybrid Rotaxanes To Create AB and AB2 Electron Spin Systems: EPR Spectroscopic Studies of Weak Interactions between Dissimilar Electron Spin Qubits.

Angewandte Chemie (International ed. in English)

Fernandez A, Moreno Pineda E, Muryn CA, Sproules S, Moro F, Timco GA, McInnes EJ, Winpenny RE.
PMID: 26224489
Angew Chem Int Ed Engl. 2015 Sep 07;54(37):10858-61. doi: 10.1002/anie.201504487. Epub 2015 Jul 24.

Hybrid [2]rotaxanes and pseudorotaxanes are reported where the magnetic interaction between dissimilar spins is controlled to create AB and AB2 electron spin systems, allowing independent control of weakly interacting S=${{ 1/2 }}$ centers.

Standardizing global gene expression analysis between laboratories and across platforms.

Nature methods

Bammler T, Beyer RP, Bhattacharya S, Boorman GA, Boyles A, Bradford BU, Bumgarner RE, Bushel PR, Chaturvedi K, Choi D, Cunningham ML, Deng S, Dressman HK, Fannin RD, Farin FM, Freedman JH, Fry RC, Harper A, Humble MC, Hurban P, Kavanagh TJ, Kaufmann WK, Kerr KF, Jing L, Lapidus JA, Lasarev MR, Li J, Li YJ, Lobenhofer EK, Lu X, Malek RL, Milton S, Nagalla SR, O'malley JP, Palmer VS, Pattee P, Paules RS, Perou CM, Phillips K, Qin LX, Qiu Y, Quigley SD, Rodland M, Rusyn I, Samson LD, Schwartz DA, Shi Y, Shin JL, Sieber SO, Slifer S, Speer MC, Spencer PS, Sproles DI, Swenberg JA, Suk WA, Sullivan RC, Tian R, Tennant RW, Todd SA, Tucker CJ, Van Houten B, Weis BK, Xuan S, Zarbl H.
PMID: 15846362
Nat Methods. 2005 May;2(5):351-6. doi: 10.1038/nmeth754. Epub 2005 Apr 21.

To facilitate collaborative research efforts between multi-investigator teams using DNA microarrays, we identified sources of error and data variability between laboratories and across microarray platforms, and methods to accommodate this variability. RNA expression data were generated in seven laboratories,...

Directional reflectance characterization facility and measurement methodology.

Applied optics

McGuckin BT, Haner DA, Menzies RT, Esproles C, Brothers AM.
PMID: 21102908
Appl Opt. 1996 Aug 20;35(24):4827-34. doi: 10.1364/AO.35.004827.

A precision reflectance characterization facility, constructed specifically for the measurement of the bidirectional reflectance properties of Spectralon panels planned for use as in-flight calibrators on the NASA Multiangle Imaging Spectroradiometer (MISR) instrument is described. The incident linearly polarized radiation...

Syntheses and electronic structure of bimetallic complexes containing a flexible redox-active bridging ligand.

Inorganic chemistry

Lindsay S, Lo SK, Maguire OR, Bill E, Probert MR, Sproules S, Hess CR.
PMID: 23268594
Inorg Chem. 2013 Jan 18;52(2):898-909. doi: 10.1021/ic302087f. Epub 2012 Dec 26.

The new ligand L(1), 1-N,1-N-bis(pyridine-2-ylmethyl)-3-N-(pyridine-2-ylmethylidene)benzene-1,3-diamine, was synthesized as a platform for the study of bimetallic complexes containing redox-active ligands. The asymmetric L(1) contains a redox-active α-iminopyridine unit bridged to redox-inert bis(2-pyridylmethyl)amino counterpart and offers two distinct coordination sites. The...

Discovery of a New Natural Product and a Deactivation of a Quorum Sensing System by Culturing a "Producer" Bacterium With a Heat-Killed "Inducer" Culture.

Frontiers in microbiology

Liang L, Sproule A, Haltli B, Marchbank DH, Berrué F, Overy DP, McQuillan K, Lanteigne M, Duncan N, Correa H, Kerr RG.
PMID: 30705672
Front Microbiol. 2019 Jan 17;9:3351. doi: 10.3389/fmicb.2018.03351. eCollection 2018.

Herein we describe a modified bacterial culture methodology as a tool to discover new natural products via supplementing actinomycete fermentation media with autoclaved cultures of "inducer" microbes. Using seven actinomycetes and four inducer microbes, we detected 28 metabolites that...

Directed Self-Assembly, Symmetry Breaking, and Electronic Modulation of Metal Oxide Clusters by Pyramidal Heteroanions.

Chemistry (Weinheim an der Bergstrasse, Germany)

Sartzi H, Long DL, Sproules S, Cronin L, Miras HN.
PMID: 29315925
Chemistry. 2018 Mar 20;24(17):4399-4411. doi: 10.1002/chem.201705711. Epub 2018 Feb 26.

Mixed valence/metal polyoxometalate (POM) clusters are one of the most interesting host species because they show the ability to incorporate a wide range of heteroatoms of various charges and geometries. We report herein the incorporation of pyramidal EO

The semiquinone radical anion of 1,10-phenanthroline-5,6-dione: synthesis and rare earth coordination chemistry.

Chemical communications (Cambridge, England)

Hickson JR, Horsewill SJ, McGuire J, Wilson C, Sproules S, Farnaby JH.
PMID: 30239538
Chem Commun (Camb). 2018 Oct 04;54(80):11284-11287. doi: 10.1039/c8cc05591b.

Reduction of 1,10-phenanthroline-5,6-dione (pd) with CoCpR2 resulted in the first molecular compounds of the pd˙- semi-quinone radical anion, [CoCpR2]+[pd]˙- (R = H, (1); R = Me4, (2)). Furthermore compounds 1 and 2 were reacted with [Y(hfac)3(thf)2] (hfac = 1,1,1-5,5,5-hexafluoroacetylacetonate)...

A fascinating multifaceted redox-active chelating ligand: introducing the .

Chemical science

Leblanc N, Sproules S, Fink K, Sanguinet L, Alévêque O, Levillain E, Rosa P, Powell AK.
PMID: 30155024
Chem Sci. 2016 Jun 01;7(6):3820-3828. doi: 10.1039/c5sc04904k. Epub 2016 Feb 24.

To intimately combine a chelating ligand function with the numerous properties of a viologen-like redox-active centre would offer a rare possibility to design controllable multi-redox states, whose properties arise from strongly correlated phenomena between the organic ligand as well...

Rigidification of a macrocyclic tris-catecholate scaffold leads to electronic localisation of its mixed valent redox product.

Chemical communications (Cambridge, England)

Greatorex S, Vincent KB, Baldansuren A, McInnes EJL, Patmore NJ, Sproules S, Halcrow MA.
PMID: 30720027
Chem Commun (Camb). 2019 Feb 19;55(16):2281-2284. doi: 10.1039/c8cc10122a.

The catecholate groups in [{Pt(L)}3(μ3-tctq)] (H6tctq = 2,3,6,7,10,11-hexahydroxy-4b,8b,12b,12d-tetramethyltribenzotriquinacene; L = a diphosphine chelate) undergo sequential oxidation to their semiquinonate forms by voltammetry, with ΔE1/2 = 160-170 mV. The monoradical [{Pt(dppb)}3(μ3-tctq˙)]+ is valence-localised, with no evidence for intervalence charge transfer...

A first WHO reference reagent for the detection of anti-human platelet antigen-15b.

Vox sanguinis

Sharp G, Poles A, Studholme L.
PMID: 34164825
Vox Sang. 2021 Jun 23; doi: 10.1111/vox.13167. Epub 2021 Jun 23.

BACKGROUND AND OBJECTIVES: Alloantibodies to human platelet antigen-15b (anti-HPA-15b) have been detected in mothers with foetal-neonatal alloimmune thrombocytopenia and in multiply transfused patients. Assays used to detect this antibody, which aids in disease diagnosis, can be unreliable and vary...

Enhanced Fe-Centered Redox Flexibility in Fe-Ti Heterobimetallic Complexes.

Inorganic chemistry

Moore JT, Chatterjee S, Tarrago M, Clouston LJ, Sproules S, Bill E, Bernales V, Gagliardi L, Ye S, Lancaster KM, Lu CC.
PMID: 30957996
Inorg Chem. 2019 May 06;58(9):6199-6214. doi: 10.1021/acs.inorgchem.9b00442. Epub 2019 Apr 08.

Previously, we reported the synthesis of Ti[N( o-(NCH

Showing 1 to 12 of 95 entries