1,796 research outputs found
Committed to quality in physical activity programmes for elderly people â The customer results
There has been a growing concern in conceiving physical activity (PA) programmes for elderly people since the evidence indicates that this type of health promotion interventions may reduce the deleterious effects of the aging process. In Portugal, the Public Administration is the sector that offers the largest supply of goods and services and as such, it is the sector that must devote most attention to Quality Some studies support the EFQM Excellence Model as an operational framework for Total Quality Management. Excellent Results with respect to Performance, Customers, People and Society are achieved through Leadership driving Policy and Strategy that is delivered through People, Partnerships and Resources, as well as Processes. Consequently, the EFQM Model might be used as a self-assessment instrument, to discern the strengths of the programmes, as well as areas in which improvement can be made. The purposes of this study were 1) to examine the existence of customersâ outcomes measurement in Portuguese PA programmes for elderly people, comparing it with programmesâ characteristics and 2) to analyse the associations between the different evaluated items. Data were collected by an on-line questionnaire sent to 26 Coordinators of PA Programmes. Descriptive statistics were used in order to characterize de PA programmes and the participantsâ outcome measurement items. Statistical analysis was performed using Fisherâs Exact Test and Pearsonâs Qui-square test. 57,7 % of the programmes recorded participantsâ outcome measures at regular intervals. Most of them (73,3%; p 0.05) were free of charge programmes. Statistically significant associations were found between the following outcomes items: cardiorespiratory fitness, flexibility, muscular strength, coordination, balance and body composition. Portuguese PA programmes for elderly people showed a feeble attention on participantsâ outcome measures, even though the measurement process represents one of the most important components of customer results from an exercise programme. Furthermore, there are significant differences between customersâ outcome measures chosen by each programme.info:eu-repo/semantics/publishedVersio
Modern polyphasic methods that include MALDI-TOF analyses for fungal identifications and authentications
[Excerpt] The identification of species is an important goal in taxonomic mycology. Information about each fungus (e.g. morphological description, physiological and biochemical properties, ecological roles, and societal risks or benefits) is the key element in this process. Identifications can be a long and seemingly never-ending process with frequent revisions of the taxonomic schemes. These changes make identifications even more complicated for the non specialised researchers as each taxonomic group has specialized literature, terminology and characters. This occurs to the extend that identifications can only be undertaken by a narrow group of scientists especially skilled in the "art", which can make the procedures appear to be subjective. [...
Adiposity indicators and cardiovascular risk factors in Azorean adolescents
This study was conducted to evaluate the association of adiposity indicators (body mass index, waist circumference and waist-to-height ratio) with cardiovascular risk factors in lean andobese Azorean adolescents.info:eu-repo/semantics/publishedVersio
Tetrabutylammonium 2,6-dihydroxybenzoate 2,6-dihydroxybenzoic acid solvate
The title compound, C16H36N+ C7H5O4
Ăż C7H6O4 or
(nBu4N)+ (2,6-dhb)
ÿ (2,6±Hdhb) [where (nBu4N) is tetrabutylammonium,
(2,6-dhb)
Ăż
is 2,6-dihydroxybenzoate and
(2,6-Hdhb) is 2,6-dihydroxybenzoic acid], crystallizes in the
space group P1. The crystal structure involves alternate layers,
in the c direction, of cationic [nBu4N]n
n+ and anionic [(2,6-
dhb)(2,6-Hdhb)]n
nĂż
. Hydrogen bonds within the anionic layers
form bridges between 2,6-Hdhb and 2,6-dhb
Ăż
residues
Micotoxinas: Contributos da Micoteca da Universidade do Minho (MUM) para a segurança alimentar
Micotoxinas sĂŁo metabolites produzidos por fungos que quando ingeridos, inalados ou absorvidos atravĂ©s da pele causam no homem, ou em animais, problemas de saĂșde ou mesmo, em situaçÔes extremas, a morte. Nos Ășltimos anos, no seio da Micoteca da Universidade do Minho, tem-se desenvolvido projectos que procuram dar resposta aos riscos alimentares derivados da contaminação fĂșngica. Assim, usando a tĂ©cnica de cromatografia em camada fina (TLC), a patulina e a citrinina foram estudadas para avaliar o potencial micotoxigĂ©nico de Penicillium expansum isolados de uvas utilizadas na produção de vinho. Citrinina foi produzida por todas as estirpes estudadas quando estas forma crescidas em meio de sacarose e extracto de levedura (YES) mas somente uma estirpe das 51 foi capaz de produzir esta micotoxina quando foram crescidas em meio de sumo de uva (GJ). Patulina foi produzida por 20 e 31 estirpes quando as 51 estirpes cresceram respectivamente em YES ou GJ. Pelos resultados obtidos as uvas contaminadas com patulina parecem nĂŁo contribuir para a contaminação do sumo de uva com esta micotoxina.
Por sua vez a micoflora das uvas saudåveis utilizadas para a produção de vinho em Portugal foram analisadas quanto ao potencial de produzirem ocratoxina A (OTA). Num total de 386 estirpes foram isoladas pelo método de plaqueamento. Os géneros mais frequentes não-ocratoxigénicos foram Cladosporium (28%), Penicillium (24%), Botrytis (13%) e Aspergillus (9%). Estirpes produtoras de OTA pertenceram às espécies de Aspergillus carbonarius e A. ochraceus. Neste estudo houve ainda a possibilidade de descriminar do grupo dos aspergilli negros a nova espécie Aspergillus ibericus não produtora de OTA. Esta espécie foi totalmente caracterizada fenotipicamente, pela biologia molecular e, mais recentemente, pela anålise espectral de MALDI-TOF MS.
Mais recentemente, na Micoteca da Universidade do Minho, a contaminação dos frutos secos, nomeadamente, na amĂȘndoa, tem sido um tĂłpico de estudo. As espĂ©cies aflatoxigĂ©nicas Aspergillus flavus e A. parasiticus tĂȘm sido isoladas e identificadas seguindo a abordagem polifĂĄsica. A biologia molecular e a anĂĄlise espectral por MALDI-TOF MS tĂȘm-se revelado tĂ©cnicas robustas em paralelo com a anĂĄlise por HPLC das aflatoxinas B1/B 2 e G1/G2 e o ĂĄcido ciclopiazĂłnico para a compreensĂŁo dos contributos destes contaminantes neste alimento
Poly[[aqua-Ό3-picolinato-Ό2-picolinato-dipicolinatopotassium(I)terbium(III)] 2.5-hydrate]
In the title compound, [KTb(C6H4NO2)4(H2O)]·2.5H2O, each Tb3+ centre is coordinated by four N and five O atoms from five distinct picolinate ligands in a geometry resembling a highly distorted tricapped trigonal prism. One of the ligands establishes a skew bridge between neighbouring Tb3+ centres, leading to the formation of one-dimensional anionic polymeric chains, {[(C6H4NO2)4Tb]â}n, running along the direction [010]. Each K+ cation is seven-coordinated by six O atoms from one anionic polymeric chain and one water molÂecule [KâŻO 2.676â
(3)â3.208â
(4)â
Ă
]. The uncoordinated water molÂecules are involved in OâHâŻO hydrogen bonding
Lanthanide compounds containing a benzo-15-crown-5 derivatised [60]fullerene and the related [Tb(H2O)(3)(NO3)(2)(acac)]. C14H20O5 supramolecular adduct
Novel lanthanum(III), europium(III) and terbium(III) compounds of a benzo-15-crown-5 [60]fulleropyrrolidine
were isolated in the solid state and characterised using vibrational (infrared and Raman) spectroscopy and
by 13C CP MAS NMR for the lanthanum(III) compound. The photoluminescence properties were
investigated for the europium(III) and terbium(III) compounds. The related [Tb(H2O)3(NO3)2(acac)]
C14H20O5 [where acac Œ acetylacetonate and C14H20O5 Œ benzo-15-crown-5] supramolecular adduct was
isolated using similar synthetic conditions, in the absence of [60]fullerene, and its crystal structure used as a
model for the coordination sphere of the lanthanide [60]fullerene derivatives, with further supporting
evidence given by photoluminescence measurements
Synthesis, characterisation and luminescent properties of lanthanide-organic polymers with picolinic and glutaric acids
Three new lanthanide(III) complexes (Ln = Sm, Tb and Eu)
of picolinic and glutaric acid were prepared and characterised.
The crystal structure of the complex [Sm(glu)(pic)-
(H2O)2] (where Hpic and H2glu stand for picolinic and glutaric
acid, respectively) was determined by single-crystal Xray
diffraction. All the Ln complexes were characterised by
elemental analysis, infrared spectroscopy, X-ray powder diffraction
and thermoanalytical measurements. The combined
Introduction
The design of functional units from the molecular scale
to macroscopic assemblies has emerged as a new paradigm
in materials synthesis resulting in an interplay between conventional
molecular chemistry and conventional solid-state
science. This has been particularly clear in the development
of functional materials using coordination compounds such
as in the field of semiconductors technology, supramolecular
machinery, microporous and hybrid materials and catalysis.[
1] In some cases, the development of these functional
materials is based on the chemistry of well-known coordination
compounds as illustrated by the assembly of inorganic-
organic extended lattices[2] and in the thermolysis of
metal thiolato compounds to produce thin films or nanoparticles.[
3]
Metals coordinated to aromatic ambidentate ligands
form a class of compounds with a wide variety of coordination
modes which has long attracted the attention of chemists.[
4] Griffith and co-workers extended this type of chemistry
to the second row transition metals and, in particular,
[a] Department of Chemistry, University of Aveiro, CICECO,
3810-193 Aveiro, Portugal
Fax: +351-234-370-084
E-mail: [email protected]
[b] Department of Physics, University of Aveiro, CICECO,
3810-193 Aveiro, Portugal
[c] Department of Chemistry, University of Cambridge,
Lensfield Road, CB2 1EW Cambridge, United Kingdom
Supporting information for this article is available on the
WWW under http://www.eurjic.org or from the author.
© 2007 Wiley-VCH Verlag 4238 GmbH & Co. KGaA, Weinheim Eur. J. Inorg. Chem. 2007, 4238â4246
data show that these Ln complexes are isostructural. The effect
of both organic ligands on the photoluminescent behaviour
of the Sm3+, Eu3+ and Tb3+ complexes is discussed and
we anticipate the possibility of controlling the photoluminescence
of picolinic-containing lanthanide compounds by systematically
varying the length of the bridging ligand.FCT - POCI/QUI/58377/2004Grant - SFRH/BD/17968/2004Grant - SFRH/BPD/14954/ 200
Application of PEG400 in the one-pot synthesis of 7-[4-alkyl- or (hetero) aryl-1H-1,2,3-triazol-1-yl]thieno[3,2-b]pyridines via SNAr and Cu(I)- Catalyzed Azide-Alkyne Cycloaddition and preliminary evaluation of their anti-tumour activity
Several novel 7-[4-alkyl- or (hetero)aryl-1H-1,2,3-triazol-1-yl]thieno[3,2-b]pyridines were prepared in
good to high yields, using the environmentally friendly solvent PEG400 in a one-pot procedure from 7-
chlorothieno[3,2-b]pyridine to form the corresponding azide via SNAr with NaN3, followed by Cu(I)-catalyzed
Azide-Alkyne Cycloaddition (CuAAC) using different types of alkynes. This one-pot reaction in
PEG400 starting from a halogenated heteroaromatic system is reported for the first time and demonstrated
a wide scope of application for alkynes. Preliminary anti-tumour activity on human tumour cell
lines using the prepared 1,4-di(hetero)aryl-1,2,3-triazoles was evaluated, together with their toxicity in
non-tumour cells. Among the tested compounds the most promising one was a 2-ethynylpyridine
derivative.Fundação para a CiĂȘncia e Tecnologia (FCT)âPortugal financially
supports CQUM (UID/QUI/686/2019), CIMO-IPBragança (UID/
AGR/690/2019), the research project PTDC/QUI-QFI/28020/2017
(POCI-01-0145-FEDER-028020) also financed by European Regional Development Fund (ERDF), COMPETE2020 and Portugal2020,
the PTNMR network also supported by Portugal2020
and the PhD grant of J.M.R. (SFRH/BD/115844/2016) also financed
by ESF (European Social Fund) and HCOP (Human Capital Operational
Programme).info:eu-repo/semantics/publishedVersio
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