(1RS,2SR,7RS,8RS)-N-Benzoyltricyclo[6.2.2.0²,⁷]dodeca-9,11-diene-1,10-dicarboximide

The title 1,4-photoadduct, C₂₁H₁₉NO₃, was formed on irradiation of N-benzoylphthalimide in dichloromethane containing cyclohexene. The bond lengths and angles are generally within the normal ranges. A notable feature of the molecule is the presence within it of four contiguous chiral centres

4',5',6',7'-Tetrachlorospiro[cyclohex-2-ene-1,2'-indan]-1',3'-dione

The title compound, C₁₄H₈Cl₄O₂, has been isolated following irradiation of a dichloromethane solution of N-acetyltetrachlorophthalimide and cyclohexene. The structure refinement is slightly compromised by the disorder over two positions of equal occupancy of a methylene groupβ to the spiro C atom

Benzylammonium 2,4-bis(dicyanomethylene)-2,3-dihydroisoindolide

The cation and anion of the title salt, C⁷H₁₀N⁺.C₁₄H₄N₅-, are both bisected by a crystallographic mirror plane. Extensive hydrogen bonding, with the R₆⁶(28) graph-set motif, connects the ions into layers

Metronome-Cued Stepping in Place after Hemiparetic Stroke: Comparison of a One- and Two-Tone Beat

Hemiparetic gait is characterised by temporal asymmetry and variability, and these variables are improved by auditory cueing. Stepping in place incorporates aspects of gait and may be a useful tool for locomotor training. The aim of this pilot study was to investigate the use of a single-tone and dual-tone metronome to cue stepping in place after hemiparetic stroke. Eight participants completed an uncued baseline stepping condition and two cued stepping conditions utilising a single-tone and a dualtone metronome. Step times were determined from force plate data, and asymmetry and variability were calculated for the three conditions. Step time asymmetry was significantly reduced in the single-tone condition compared to baseline, and paretic step time variability was significantly reduced in both cued conditions.The single-tone metronome appeared to be preferred to the dual-tone metronome based on participant feedback.The results of this pilot study suggest that metronome cueing produces similar benefits on stepping in place to previously reported findings in walking. Further research on whether stepping in place to a metronome can be used for locomotor training is needed

The Labour Party and family income support policy; 1940-1979. An examination of the party's interpretation of the relationship between family income support and the labour market.

The first two chapters examine the party's policy towards the wage-stop and the poverty trap. Until 1963 the party ignored the wage-stop but from then until 1975 a section of the party campaigned against the regulation expressing moral revulsion and concern about its administration but only rarely opposition to the principle. A Labour government removed the stop when its operation affected only a tiny minority of families. The party was quickly involved in the development of the poverty trap debate being particularly drawn to its disincentive characteristics, but Labour governments, like their Conservative counterparts, soon came to regard the idea as a mere statistical abstraction. After confirming the party's historical ambivalence about Family Allowances the thesis demonstrated that whenever it advocated allowances it did so because it believed the programme would alleviate family poverty rather than augment work incentives. However Labour governments consistently upheld the principle of substitutability, thus conferring de facto support on that less-eligibility dimension of Family Allowances which Macnicol has established informed the coalition government's decision to legislate for the programme in 1945. Despite the party's opposition to Family Income Supplement it became an important element in the Labour government's anti-poverty strategy after the Child Benefits debate in 1976. F.I.S. was criticised because of its contribution to the poverty trap and its potential for assisting in the pauperisation of the low paid, while Child Benefit was supported because it appeared to be a more equitable technique of delivering support to families with dependent children although some in the party were sensitive to the scheme's potential link with improved work incentives. In general, the Labour Party is seen to have failed to develop any coherent and sustained alternative to the ideas and programmes of its political opponents in this critical area of social policy

Quantization of nonholonomic systems.

SIGLEAvailable from British Library Document Supply Centre-DSC:DXN016447 / BLDSC - British Library Document Supply CentreGBUnited Kingdo

Fractionation of microbial populations in a PHA accumulating mixed culture and associated PHA content and composition

The uniformity of PHA composition and content across groups of organisms in mixed cultures was considered. An activated sludge microbial community, with an average PHA content of 20 wt%, was fractioned by Percoll assisted buoyant density separation. The microbial community in the two principal fractions was characterised using amplicon pyrosequencing. While organisms were common to both fractions, the relative abundances of species were found to be different between the two fractions. The average PHA content in one of the fractions was found to be higher (24 wt%) than the other (16 wt%); separation was considered to be in part driven by the density difference associated with PHA content, but also by other factors such as cell dimension and cellular morphology. But while differences in PHA content were observed, the PHA composition in both fractions was found to be approximately the same (43-44 mol% HV), which shows that distinct groups of microbial populations within mixed cultures may generate PHA with similar average copolymer composition

Fragile antiferromagnetism in the heavy-fermion compound YbBiPt

We report results from neutron scattering experiments on single crystals of YbBiPt that demonstrate antiferromagnetic order characterized by a propagation vector, $\tau_{\rm{AFM}}$ = ($\frac{1}{2} \frac{1}{2} \frac{1}{2}$), and ordered moments that align along the [1 1 1] direction of the cubic unit cell. We describe the scattering in terms of a two-Gaussian peak fit, which consists of a narrower component that appears below $T_{\rm{N}}~\approx 0.4$ K and corresponds to a magnetic correlation length of $\xi_{\rm{n}} \approx$ 80 $\rm{\AA}$, and a broad component that persists up to $T^*\approx$ 0.7 K and corresponds to antiferromagnetic correlations extending over $\xi_{\rm{b}} \approx$ 20 $\rm{\AA}$. Our results illustrate the fragile magnetic order present in YbBiPt and provide a path forward for microscopic investigations of the ground states and fluctuations associated with the purported quantum critical point in this heavy-fermion compound.Comment: 5 pages, 3 figure

2-Benzoylspiro[1H-isoindole-1,3'-isochromene]-1',3,4'(2H,3'H)-trione

The title compound, C₂₃H₁₃NO₅, was isolated following irradiation of N-benzoylphthalimide in toluene. The bond lengths and angles are typical of a molecule of this kind, but the molecule itself is of some interest. The most challenging aspect of the refinement was to devise a model to cater for disorder in one part of the molecule