Understanding of emotional adjustment after stroke is limited. Under one-third of stroke survivors reporting emotional problems receive support. The aim of this study was to explore the process of emotional adjustment post-stroke and investigate the role played by participation in an online stroke community. We applied thematic analysis to 124 relevant posts within 114 discussion threads, written by 39 survivors and 29 carers. The contribution of online community engagement to emotional adjustment was explored using the Social Support Behaviour Code.Stroke survivors share common experiences of emotional adjustment and may not necessarily reach complete acceptance. Positive and negative trajectories of emotional adjustment were identified.Survivors progressed along, or moved between, positive and negative pathways not in a time-dependent manner but in response to 'trigger events', such as physical setbacks or anti-depressant treatment, which may occur at any chronological time. An adapted version of Suhr's 1990 Social Support Behaviour Code showed that support provided through the online community took many forms, including advice, teaching, empathy and normalisation of concerns. Participation in the stroke community was itself deemed to be a positive 'trigger event'.
The preparation of the tridentate
chelating agents 2-(1,10- phenanthrolin-2-yl)thiazole,
2-(1,10-phenanthrolin-2-yl)-4-(2- pyridyl)thiazole
2-(1,10-phenanthrolin-2-yl)thiazolidine and 2-(1,10- phenanthrolin-2-yl)benzothiazole
is described. Data from the spectra of the bis-ligand nickel complexes indicate
that the ligands all have field strengths in the iron(II) crossover region. The
temperature dependence of the magnetism of the bis-ligand iron(II) complexes
reveals that, except for the complexes of the pyridylthiazole, a smooth,
temperature-induced 5T2 ↔ 1A1
transition occurs in these compounds. For no complex is the transition complete
within the experimental temperature range (83-363 K). The complex of the
pyridylthiazole is high-spin throughout the range, the uncoordinated pyridyl
group hindering the close approach of ligand and metal atom necessary for
spin-pairing. The ability of the other ligands to induce a spin transition is
primarily a consequence of distortions in the environment about the metal atom
arising from coordination of the five- membered thiazole or related ring.
The preparation of 1,lO-phenanthroline-2-carbothioamide and its bis-ligand complexes of iron(@ is described. The ligand produces a strong field and the magnetic and Mossbauer effect data for the complexes indicate that in these the metal atom has a lA, ground state. The ligand can coordinate as a neutral or anionic tridentate, producing either cationic or neutral complexes. The electronic spectra of the cationic complexes are typical for the iron(@-bis-terimine system and show intense charge-transfer absorption. Infrared data indicate that the sulphur atom of the thioamido group is coordinated.It was shown in Part IV of this series1 that the bis-ligand iron@) complexes of 1,lO-phenanthroline-2-carboxamide are high-spin over the temperature range 83-303 K. It is believed that in these complexes, as in corresponding complexes of pyridine-2-~arboxamide,~?~ the oxygen atom of the amide group is involved in coordination to the metal atom. The environment of the metal atom in complexes derived from tridentate phenanthroline derivatives such as 1,lO-phenanthroline-2-carboxamide is comparable to that existing in the bis(phenanthroline)iron(~~) complexes [Fe(phen),X,] in which the electronic ground state of the metal is determined primarily by the field strength of the group X.4 The present work was thus undertaken to examine the relationship between the electronic ground state for iron(11) and the nature of the donor-atom-containing substituent in the Zposition of phenanthroline.Replacement of the amido by the thioamido group might be expected to result in a marked change in the field strength of the ligand, and hence to affect the properties of the derived complexes, provided that the nitrogen atom of the group remains uncoordinated.
The purpose of this investigation was to explore the feasibility of enhancing the electrochemical stability of dental amalgam restorations by a process of “selective interfacial amalgamation.” If dental amalgam restorations can be selectively alloyed at the tooth‐amalgam interface, to a minor thickness as compared with the dimensions of the bulk amalgam, so as to present a more electrochemically stable phase than
γ2
to the oral environment, corrosion will be reduced and desirable qualities of existing amalgams can be utilized.
Mono- and bis-ligand
complexes of iron, cobalt, nickel and mono-ligand complexes of copper with the tridentate
chelating agents 1,10- phenanthroline-2-carbo-thioamide
and N-phenyl-1,10-phenanthroline-2- carbothioamide
are described. Both ligands produce a strong field with iron(II) and the bis-ligand
complexes of cobalt(II) and the former display a temperature-induced spin
transition resulting in an anomalous temperature-dependence of their magnetism.
In all the mono-ligand complexes the metal atom is believed to be
six-coordinate. Both ligands may be deprotonated in their complexes and
deprotonation of the N- phenyl derivative occurs spontaneously when it
interacts with cobalt(II) or copper(II), the reaction with cobalt being accompanied
by oxidation of the metal. Both ligands coordinate through the sulphur atoms of
the thioamide group.
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