bluuebunny/crossref_metadata_2025_split huggingface dataset:
Contribution of some grape-derived aromatic compounds to the primary aroma in red wines from cv. Caiño Tinto, cv. Caiño Bravo and cv. Caiño Longo grapes
Authors: VILANOVA M. , CORTÉS S. , SANTIAGO J. L. , MARTÍNEZ C. , FERNÁNDEZ E. 
Published: November 2007

SUMMARYThe free volatile compounds of two successive vintages of cv. Caiño Tinto, Caiño Bravo and Caiño Longo red wines, together with the volatile compounds released after the enzymatic hydrolysis of their glycosidically bound forms, were identified and quantified by gas chromatography using a flame ionization detector (GC/FID). All these wines possessed the same free volatile compounds; Caiño Longo wines showed the highest concentrations and Caiño Tinto wines the lowest. In all cases, the release of the bound forms of these compounds may contribute to the final aroma, from both a qualitative standpoint (with the appearance of free 4-terpineol, nerol and geraniol) and quantitative standpoint (notable increases were recorded for most of the compounds detected). The principal component analysis (PCA) showed a good separation of the different wine cultivars and vintages. Caiño Tinto wines were more homogeneous between vintages than the others.
QUALITY OF ANTENATAL CARE AND ITS DOSE–RESPONSE RELATIONSHIP WITH BIRTH WEIGHT IN A MATERNAL AND CHILD HEALTH TRAINING INSTITUTE IN BANGLADESH
Authors: KHATUN SELINA , RAHMAN MAHMUDUR 
Published: November 2007

SummaryFour hundred and sixty-five pregnant women and their newborn babies were studied at a maternal and child health training institute in Dhaka, Bangladesh, between July 2002 and June 2003 with the objective of (1) examining the relationship between birth weight and maternal factors, and, if there was a dose–response relationship between quality of antenatal care and birth weight, (2) predicting the number of antenatal visits required for women with different significant characteristics to reduce the incidence of low-birth-weight babies. The study revealed that 23·2% of the babies were of low birth weight according to the WHO cut-off point of <2500 g. Mean birth weight was 2674·19±425·31 g. A low birth weight was more common in younger (<20 years) and older (≥30 years) mothers, the low-income group and those with little or no education. The mean birth weight of the babies increased with an increase in quality of antenatal care. The babies of the mothers who had 6+ antenatal visits were found to be 727·26 g heavier than those who had 1–3 visits and 325·88 g heavier than those who had 4–5 visits. No significant relationship was found between number of conception, birth-to-conception interval, BMI at first visit, sex of the newborn and birth weight. Further, from multiple regression analysis (stepwise), it was revealed that number of antenatal visits, educational level of the mother and per capita yearly income had independent effects on birth weight after controlling the effect of each variable. Using multiple regression analysis, the estimated number of antenatal visits required to reduce the incidence of low-birth-weight babies for women with no education and below-average per capita income status was 6; the number required for women with no education and above-average per capita income status was 5; and that for women with education and with any category of income status was 4 visits. So there is a need to stratify women according to their income and educational status so that, along with other measures, the required number of antenatal visits can be estimated beforehand to reduce the incidence of low-birth-weight babies.
Prevalence and intensity ofToxocara canis(Werner, 1782) in dogs and its potential public health significance in Ile-Ife, Nigeria
Authors: Sowemimo Oluyomi A. 
Published: November 2007

AbstractA study on the prevalence and intensity ofToxocara canis(Werner, 1782) in dogs was carried out in Ile-Ife, Nigeria. Faecal samples were collected from 269 dogs between January and December 2004, processed by the Kato–Katz technique and then examined forT. caniseggs. The prevalence ofT. canisobtained was 33.8%. The intensity of infection, measured as mean egg count per gram of faeces ( ± SEM) was 393.8 ± 83.4. The prevalence and intensity ofT. canisin dogs aged 0–6 months were significantly higher (P < 0.05) than older age groups. The prevalence and intensity ofT. canisinfection were significantly higher in males than in female dogs (P < 0.05). SinceT. canisis known to cause visceral larva migrans (VLM) in young children, there is the possibility that the high prevalence ofT. canisinfection obtained in this study might constitute an important risk factor for transmission to humans. Therefore, there is the need to educate the residents of Ile-Ife on the danger of close association of their children with household pets.
Unilateral associated laryngeal paralysis due to varicella-zoster virus: virus antibody testing and videofluoroscopic findings
Authors: Chitose S-I , Umeno H , Hamakawa S , Nakashima T , Shoji H 
Published: November 2007

AbstractThe relationship between varicella-zoster virus and idiopathic associated laryngeal paralysis was examined in five patients, using complement fixation or enzyme immunoassay testing. In all cases, significant changes in serum levels of varicella-zoster virus antibody were observed. Videofluoroscopy was useful in assessing the severity of the dysphagia and in making an accurate diagnosis; both laryngeal elevation and weakness of pharyngeal wall contraction were also observed. In two cases in which antiviral therapy was delayed, the outcome was poor, with increased levels of varicella-zoster virus immunoglobulin M found on enzyme immunoassay. The outcome of the condition may thus depend both on the speed of antiviral therapy commencement following onset of symptoms, and on the levels of varicella-zoster virus immunoglobulin M antibody (measured by enzyme immunoassay). Our study suggests that varicella-zoster virus should be considered in the differential diagnosis of patients with idiopathic associated laryngeal paralysis, and rapid antiviral therapy should be initiated when necessary.
On the theory of magneto-sound double simple waves
Authors: TSKHAKAYA DAVY D. , ESHRAGHI HOMAYOON 
Published: November 2007

AbstractA two-dimensional double simple wave solution is given for both weakly and highly magnetized non-relativistic plasmas moving across the magnetic field. The dependence of the density and the magnetic field on the two independent phases, namely, components of the fluid velocity, is derived. It is shown that initial spatial distributions must satisfy a definite equation whose solution determines a special category for initial conditions. The time of blow up for any fixed value of the pair phase is found. A large general class of solutions for initial distributions is obtained. For any chosen initial distribution, the physical plane of flow at any instant of time splits into two regions, one forbidden and the other permitted. These regions are obtained numerically at a typical time for a special initial distribution. For this double wave solution, differential equations for streamlines and fluid trajectories are derived. Only for the simplest cases can the corresponding curves be completely integrated and these are given in this paper. The results are qualitatively similar to the one-dimensional case derived by Stenflo and Shukla.
A comparison between electron orbits for both an axial magnetic field and an ion-channel guiding in a FEL with an electromagnetic wave wiggler
Authors: MEHDIAN H. , JAFARI S. 
Published: November 2007

AbstractThe operation of a free-electron laser (FEL) with electromagnetic wave wiggler in the presence of an ion-channel guiding as well as an axial guide magnetic field is considered and compared. Theoretical studies of electron trajectories and dispersion relations in a combined ion electrostatic field as well as large-amplitude backward-propagating electromagnetic waves are analyzed. The large-amplitude wave acts like a magnetostatic wiggler in a FEL. The results of a numerical study are presented and discussed. It is shown that in the wiggler pumped ion-channel free-electron laser (WPIC-FEL), electron orbits and dispersion relation are time-dependent, and over time, electron orbits while oscillating bear a periodic motion.
Tuberculosis (Mycobacterium microti) in wild field vole populations
Authors: BURTHE S. , BENNETT M. , KIPAR A. , LAMBIN X. , SMITH A. , TELFER S. , BEGON M. 
Published: November 2007

SUMMARYVole tuberculosis (TB;Mycobacterium microti) is an understudied endemic infection. Despite progressing slowly, it causes severe clinical pathology and overt symptoms in its rodent host. TB was monitored for 2 years in wild field voles in Kielder Forest, UK. The prevalence of characteristic cutaneous TB lesions was monitored longitudinally at 4 sites, with individuals live-trapped and repeatedly monitored. A prevalence of 5·2% of individuals with lesions was recorded (n=2791). In a cross-sectional study, 27 sites were monitored bi-annually, with TB assessed by post-mortem examination for macroscopic lesions, and by culture and histopathology. Seventy-nine voles (10·78%;n=733) were positive for mycobacteria, with the highest prevalence in spring (13·15%;n=327). TB prevalence varied, with between 0% and 50% of voles infected per site. Prevalence increased with age (mass), and apparent seasonality was due to a higher proportion of older animals in spring. Survival analysis supported this result, with cutaneous lesions only manifesting in the advanced stages of infection, and therefore only being found on older voles. The body condition of individuals with lesions declined at the time when the lesion was first recorded, when compared to individuals without lesions, suggesting there may be an acute phase of infection during its advanced stage. Although predicted survival following the appearance of a cutaneous lesion was lower than for uninfected individuals, this was not significant.
Natural variability and distribution of trace elements in marine organisms from Antarctic coastal environments
Authors: Grotti Marco , Soggia Francesco , Lagomarsino Cristina , Riva Simona Dalla , Goessler Walter , Francesconi Kevin A. 
Published: November 2007

AbstractIn an attempt to improve the understanding of the natural variability and distribution of trace elements in Antarctic organisms, the concentrations of arsenic, cadmium, cobalt, chromium, copper, manganese, nickel, vanadium and zinc in representative benthic species from two pristine coastal environments were measured and compared with literature data for other uncontaminated coastal ecosystems. Correlations between the elements, differences between the species and between the sampling sites were examined by principal component analysis. Metal accumulation was particularly evident in the tissues of the sea star Odontaster validus, the bivalve mollusc Laternula elliptica and in the red alga Phyllophora antarctica. However, metal accumulation was not the same for all the analytes, but, rather, depended on the organism characteristics. In particular, the soft tissues of Odontaster validus were characterized by high concentrations of cadmium, zinc and copper, those of Phyllophora antarctica by high concentrations of manganese and nickel, and the tissues of Laternula elliptica by high concentrations of all measured elements, particularly in its digestive gland. The Antarctic data as well as those reported for other pristine coastal ecosystems showed remarkably high natural variability in metal content, which must be taken into account when interpreting results from biomonitoring programmes.
Outcome Prediction of Cognitive Behaviour Therapy for Panic Disorder: Initial Symptom Severity is Predictive for Treatment Outcome, Comorbid Anxiety or Depressive Disorder, Cluster C Personality Disorders and Initial Motivation Are Not
Authors: Kampman Mirjam , Keijsers Ger P. J. , Hoogduin Cees A. L. , Hendriks Gert-Jan 
Published: November 2007

AbstractFive variables were investigated with regard to their possible predictive value for cognitive behavioural treatment (CBT) outcome in a large sample of panic disorder (PD) patients. The variables were initial symptom severity, comorbid anxiety or depressive disorders, comorbid cluster C personality disorders, and initial motivation for treatment. A total number of 161 PD patients received a standardized CBT of 15 sessions. Assessments of predictive variables took place prior to treatment. Outcome measures were assessed at pre- and posttreatment. The patients had significantly improved after the treatment. None of the variables, separately or together, affected CBT outcome, save initial severity of panic disorder symptoms, which was positively associated with posttreatment symptom severity. Since research efforts failed to produce consistent predictors for CBT treatment outcome in panic disorder thus far, the usefulness of future outcome prediction research in panic disorder by pre-treatment demographic, disorder-related, psychological, or socio-psychological variables is put into question.
Beyond-brand effect of television food advertisements on food choice in children: the effects of weight status
Authors: Halford Jason CG , Boyland Emma J , Hughes Georgina M , Stacey Leanne , McKean Sarah , Dovey Terence M 
Published: November 2007

AbstractObjectiveTo investigate the effect of television food advertising on children’s food intake, specifically whether childhood obesity is related to a greater susceptibility to food promotion.DesignThe study was a within-subject, counterbalanced design. The children were tested on two occasions separated by two weeks. One condition involved the children viewing food advertisements followed by a cartoon, in the other condition the children viewed non-food adverts followed by the same cartoon. Following the cartoon, their food intake and choice was assessed in a standard paradigm.SettingThe study was conducted in Liverpool, UK.SubjectsFifty-nine children (32 male, 27 female) aged 9–11 years were recruited from a UK school to participate in the study. Thirty-three children were normal-weight (NW), 15 overweight (OW) and 11 obese (OB).ResultsExposure to food adverts produced substantial and significant increases in energy intake in all children (P < 0·001). The increase in intake was largest in the obese children (P = 0·04). All children increased their consumption of high-fat and/or sweet energy-dense snacks in response to the adverts (P < 0·001). In the food advert condition, total intake and the intake of these specific snack items correlated with the children’s modified age- and gender-specific body mass index score.ConclusionsThese data suggest that obese and overweight children are indeed more responsive to food promotion, which specifically stimulates the intake of energy-dense snacks.
What do babies eat? Evaluation of a food frequency questionnaire to assess the diets of infants aged 6 months
Authors: Marriott LD , Robinson SM , Poole J , Borland SE , Godfrey KM , Law CM , Inskip HM ,   The Southampton Women’s Survey Study Group
Published: November 2007

AbstractObjectiveTo evaluate the relative validity of a food frequency questionnaire (FFQ) for assessing nutrient intakes in 6-month-old infants.Design and settingThe FFQ was developed to assess the diets of infants born to women in the Southampton Women’s Survey (SWS), a population-based survey of young women and their offspring. The energy and nutrient intakes obtained from an interviewer-administered FFQ were compared with those obtained from a 4-day weighed diary.Subjects and methodsA sub-sample of 50 infants aged 6 months from the SWS had their diets assessed by both methods. The FFQ recorded the frequencies and amounts of milks, baby foods, regular foods and drinks consumed by the infants over the previous seven days. The diaries recorded the weights of all foods and drinks consumed by the infants on four separate days within 15 days following FFQ completion.ResultsSpearman rank correlation coefficients for intakes of energy, macronutrients and 18 micronutrients, determined by the two methods, ranged from r = 0·39 to 0·86; adjustment for energy intake tended to increase the correlation coefficients, range ra = 0·55 to 0·89. Bland–Altman statistics showed that mean differences between methods were in the range of −12·5 % to +12·5 % except for vitamin B12 (−18·9 %).ConclusionAlthough there were differences in absolute energy and nutrient intakes between methods, Spearman rank correlation coefficients indicated reasonable agreement in the ranking of intakes. The interviewer-administered FFQ is a useful tool for assessing energy and nutrient intakes of healthy infants aged about 6 months.
Education, demographics, and the economy
Authors: JAAG CHRISTIAN 
Published: November 2007

AbstractThis paper deals with two issues concerning the effects of population aging on education decisions in the presence of a PAYG pension system: We first analyze the effects of an aging population per se on individual skill choices and continuous education and the production structure. Second, we study the implications of postponed retirement, which is often proposed as a measure to cope with the economic challenges of increased longevity. Our study uses a dynamic general equilibrium framework with overlapping generations and probabilistic aging. The model allows for capital–skill complementarity in the production of final output.As a response to population aging, in a small open economy with a fixed interest rate, our first simulation shows that GDP is depressed due to an adverse effect on skill choice and labor supply. We then introduce postponed retirement as a potentially dampening policy measure due to its encouragement of human capital formation. However, since there is less private saving in this scenario, the overall effect on GDP is even worse than in the pure aging scenario.
Operating costs of pension funds: the impact of scale, governance, and plan design
Authors: BIKKER JACOB A. , DE DREU JAN 
Published: November 2007

AbstractAdministrative and investment costs per participant appear to vary widely across pension funds. These costs are important because they reduce the rate of return on the investments of pension funds and consequently raise the cost of retirement security. This article examines the impact of determinants of these costs, such as the size, governance, pension plan design and outsourcing decisions, using data on all Dutch pension funds across the 1992–2004 period, including more than 10,000 observations. We find that economies of scale dominate the strong dispersion in both administrative and investment costs across pension funds. Industry-wide pension funds are significantly more efficient than company funds and other funds. The operating costs of pension funds' defined contribution plans are lower than those of defined benefit plans. Higher shares of pensioners make funds more costly, whereas the reverse is true when relatively many participants are inactive.
The G fund: portfolio effects of a dominant asset
Authors: REDDING LEE S. 
Published: November 2007

AbstractThe Thrift Savings Plan (TSP) is the defined contribution pension plan for the employees of the US Federal Government. It is also mentioned as a model to implement private investment accounts as part of US Social Security reform. The TSP has one unique investment opportunity – the Government Securities Investment Fund. This ‘G Fund’ is a short-term asset which pays long-term rates. This provides an implicit subsidy to federal employees. To collect this subsidy, however, employees must alter their portfolios. The subsidy may therefore be an inefficient means of compensating federal employees. Within a social security system, however, the G Fund would present the opportunity to partially ‘opt out’ of a private investment account.
Effect of the Angiotensin Receptor Blocker Valsartan on Coronary Microvascular Flow Reserve in Moderately Hypertensive Patients with Stable Coronary Artery Disease
Authors: Higuchi Takahiro , Abletshauser Claudia , Nekolla Stephan G. , Schwaiger Markus , Bengel Frank M. 
Published: November 2007

ABSTRACTAims:To noninvasively investigate the effects of the angiotensin receptor blocker (ARB) Valsartan, on myocardial microcirculation in moderately hypertensive patients with stable coronary artery disease (CAD).Methods and Results:In this prospective open‐label study, patients with mild stable CAD and moderate systolic and/or diastolic hypertension were treated with 160 mg Valsartan daily. Myocardial blood flow was quantified noninvasively using positron emission tomography (PET) with N‐13 ammonia at baseline, after one week and after 16 weeks. Mean blood pressure at rest improved significantly from baseline to week 16 (105 ± 10 vs. 98 ± 9 mm Hg; p = 0.017, n = 12), but no significant change was observed after one week (103 ± 11 vs. 100 ± 11, p = 0.43, n = 13). PET analysis revealed that flow increase during endothelial‐dependent, sympathetic stimulation by cold pressor testing (CPT) and in response to pharmacologic vasodilation with adenosine improved from baseline after 1 week (CPT: 1.10 ± 0.3 vs. 1.37 ± 0.3; p = 0.017, adenosine: 2.34 ± 0.52 vs. 2.91 ± 0.81; p = 0.048) and at week 16 (CPT: 1.15 ± 0.4 vs 1.39 ± 0.2; p = 0.10, adenosine: 2.34 ± 0.52 vs 2.81 ± 0.91; p = 0.039).Conclusions:In patients with stable coronary disease, ARB results in improved PET‐determined microvascular flow reserve. Improvements in microcirculation preceded the reduction of blood pressure, suggesting direct beneficial effects on microvascular function.
An In‐Vivo Analysis of Capillary Stasis and Endothelial Apoptosis in a Model of Hypertension
Authors: Tran Edward D. , Schmid‐Schönbein Geert W. 
Published: November 2007

ABSTRACTObjective: Recent evidence suggests endothelial apoptosis may be a mechanism for capillary rarefaction in hypertensives. The objective of this study was to examine the early phase of endothelial apoptosis and capillary blood flow in the spontaneously hypertensive rat (SHR) and the normotensive Wistar‐Kyoto (WKY) rat.Methods: Since hypertension in SHR is dependent on glucocorticoids, the animals were treated with dexamethasone (DEX), by intraperitoneal injection and then by superfusion on exposed mesentery. Selected capillaries were continuously observed. Annexin V and propidium iodide were used to detect apoptosis.Results: Without central pressure reduction, permanent capillary stasis was initiated by the entrapment of leukocytes at the location of an endothelial cell that had platelets attached to it. Apoptosis of the endothelial cell was followed by apoptosis in other endothelial cells of the obstructed capillary. The incidence of stasis and total cell death in WKY+DEX were higher than WKY, whereas there were no differences between SHR+DEX and SHR. Blockade of the lectin domain of L‐selectin or a platelet membrane adhesion molecule (glycoprotein IIb/IIIa) blocked the development of stasis.Conclusions: Glucocorticoid facilitates cell death and microvessel stasis. Immobilized platelets and leukocytes play a central role in capillary stasis, which leads to progression of endothelial apoptosis.