14 research outputs found
Percentage of the population with intakes that do not comply with the population nutrient intake goals for different nutrients in Dutch adults aged 19–30 year.
No full text<p>SAFA: saturated fatty acids, TFA: trans fatty acids.</p>1<p>Population nutrient intake goals are published as percentage of energy <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0072378#pone.0072378-FAOWHO1" target="_blank">[1]</a>; these recommendations were translated to g/d based on a 2000 kcal diet; for sugar this resulted in 75 g of total sugar per day, assuming that total sugar intakes are made up of 2/3 added/free sugar <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0072378#pone.0072378-Roodenburg2" target="_blank">[15]</a>.</p
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D^* production in deep-inelastic scattering at low Q^2
No full textInclusive production of D* mesons in deep-inelastic scattering at HERA is studied in the range 5 < Q{sup 2} < 100 GeV{sup 2} of the photon virtuality and 0.02 < y < 0.70 of the inelasticity of the scattering process. The visible range for the D* meson is p{sub T} (D*) > 1.25 GeV and |{eta}(D*)| < 1.8. The data were taken with the H1 detector in the years 2004 to 2007 and correspond to an integrated luminosity of 347 pb{sup -1}. Single and double differential cross sections are measured. The results are compared to QCD predictions
Hydrated HCl Clusters, HCl(H<sub>2</sub>O)<sub>1−3</sub>, in Helium Nanodroplets: Studies of Free OH Vibrational Stretching Modes
No full textIn this work, infrared laser spectroscopy in helium droplets is used to study the solvation of HCl with small water clusters. Clusters of HCl(H2O)n with n = 1−3 and (HCl)2H2O have been identified in the free OH stretching spectral range of 3680−3820 cm−1. The assignment of the infrared vibrational bands of the clusters is aided by ab initio calculations
Study of HCl Clusters in Helium Nanodroplets: Experiments and ab Initio Calculations as Stepping Stones from Gas Phase to Bulk<sup>†</sup>
No full textPresented here are the results of the joint theoretical and infrared laser spectroscopic study of the hydrogen
chloride monomer and clusters, (HCl)n (n = 1−6), isolated in helium nanodroplets. The H−Cl stretching
bands of the dimers and trimers show a large increase in the band intensity as well as low frequency shift
with respect to that in a single HCl molecule. The average frequency of the bands for clusters larger than
trimers remains approximately constant, which correlates well with the onset of the folded cyclic structure
and the full development of the hydrogen bonding in larger clusters. The structure of the clusters was found
to be cyclic planar for trimers, slightly twisted square planar for tetramers, envelope-like for pentamers, and
folded pseudobipyramidal for hexamers. This change in structure upon an increase of the cluster size can be
seen as an early stage of the structural transition to the HCl solid, which consists of zigzag chains of HCl
molecules. Spectra of large clusters of about 500 molecules consist of a single band, which encompasses the
same frequency range of trimers through hexamers
Clinical and metabolic characteristics of the study participants in the total group and according to HOMA-IR.
No full text<p><b>Abbreviations:</b> BMI: body mass index; c-f PWV: carotid-femoral pulse wave velocity; DBP: diastolic blood pressure; FG: fasting glucose; HbA<sub>1c</sub>: glycosylated hemoglobin; HOMA-IR: homeostasis model assessment of insulin resistance; LTL: leukocyte telomere length; SBP: systolic blood pressure; TA: telomerase activity; 2h OGTT:2-h glucose level following the oral glucose tolerance test; P-value: p between HOMA-IR ≤ 2.5 and HOMA-IR >2.5 groups</p><p>Clinical and metabolic characteristics of the study participants in the total group and according to HOMA-IR.</p
Multiple linear regression analysis of c-f PWV (dependent variable) on age, SBP, LTL, HOMA-IR as independent variables.
No full text<p>Abbreviations: c-f PWV, carotid-femoral pulse wave velocity; Error SS: error of sum of squares; HOMA-IR, homeostasis model assessment of insulin resistance; LTL, leukocyte telomere length; SBP, systolic blood pressure; S.E.: standard error; <b>Total SS: total sum of squares;</b> Type III SS:type III sum of squares.</p><p>Multiple linear regression analysis of c-f PWV (dependent variable) on age, SBP, LTL, HOMA-IR as independent variables.</p
Multiple linear regression analysis of LTL (dependent variable) with age, sex, SBP, HOMA-IR as independent variables.
No full text<p>Abbreviations: Error SS: error of sum of squares; HOMA-IR, homeostasis model assessment of insulin resistance; LTL, leukocyte telomere length; SBP, systolic blood pressure; S.E.: standard error; <b>Total SS: total sum of squares;</b> Type III SS: type III sum of squares</p><p>Multiple linear regression analysis of LTL (dependent variable) with age, sex, SBP, HOMA-IR as independent variables.</p
Helium Nanodroplet Study of the Hydrogen-Bonded OH Vibrations in HCl–H<sub>2</sub>O Clusters
No full textMixed
(HCl)<sub><i>N</i></sub>(H<sub>2</sub>O)<sub><i>M</i></sub> clusters have been assembled in He droplets from
the constituting molecules. Spectra of the clusters were obtained
in the range of hydrogen-bonded OH vibrations (3100–3700 cm<sup>–1</sup>) by infrared laser depletion spectroscopy. The observed
bands were assigned to cyclic hydrogen-bonded aggregates containing
up to two HCl and three H<sub>2</sub>O molecules. The obtained frequencies
are in good agreement with the results of harmonic quantum chemical
calculations upon appropriate uniform shifts mimicking anharmonic
corrections. Although larger clusters containing up to six water molecules
were also produced in the droplets, their spectra were found to contribute
to the unresolved signal in the range 3250–3550 cm<sup>–1</sup>. The fact that no narrow bands could be unambiguously assigned to
the mixed clusters containing more than three water molecules may
indicate that such clusters exist in many isomeric forms that lead
to overlapped and unresolved bands giving rise to broad structureless
features. Another possible explanation includes the formation of elusive
zwitterionic clusters, whose bands may have considerable breadth due
to electrostatic coupling of different vibrational modes and concomitant
intramolecular vibrational relaxation
A vacuum to be filled. Central and Eastern Europe in the times of ‘geography without the Germans’
No full textThis article analyses strategies used by geographers of Central and Eastern Europe, foremost Poland, to improve their international position, in the interwar. The boycott of Germany and its former allies almost until mid-1930s was a challenge to this group and it gradually hindered its development. The most original attempt at overcoming the threat of marginalization were congresses of Slavic geographers organized from 1924. The greatest success, however, came with the 1934 Warsaw congress of the Geographical Union, which was also the occasion for German geographers to fully return to international scholarly exchange
Association of Insulin Resistance, Arterial Stiffness and Telomere Length in Adults Free of Cardiovascular Diseases.
No full textChronic inflammation and oxidative stress might be considered the key mechanisms of aging. Insulin resistance (IR) is a phenomenon related to inflammatory and oxidative stress. We tested the hypothesis that IR may be associated with cellular senescence, as measured by leukocyte telomere length (LTL), and arterial stiffness (core feature of arterial aging), as measured by carotid-femoral pulse wave velocity (c-f PWV)
