Search results for "HAp"

Happiness, satisfaction and socio-economic conditions: Some international evidence

2006

Abstract This paper examines the relationships between socio-economic conditions and happiness or satisfaction of individuals in 15 countries. In agreement with earlier studies, age, health and marital status are strongly associated with happiness and satisfaction. In seeming contrast with other studies, unemployment does not appear to be associated with happiness, although it is clearly associated with satisfaction. Income is also strongly associated with satisfaction, but its association with happiness is weaker. These results point to happiness and satisfaction as two distinct spheres of well-being. While the first would be relatively independent of economic factors, the second would be …

Production of Haploid and Doubled Haploid Lines in Nut Crops: Persian Walnut, Almond, and Hazelnut

2021

This chapter deals with induction of haploidy via parthenogenesis in Persian walnut and via microspore embryogenesis in almond and hazelnut. Haploid induction through in situ parthenogenesis using pollination with irradiated pollen to stimulate the embryogenic development of the egg cell, followed by in vitro culture of the immature haploid embryos. Microspore embryogenesis allows the induction of immature pollen grains (microspores), to move away from the normal gametophytic developmental route in the direction of the sporophytic one, yielding homozygous organisms (embryos in this case). Unlike other fruit crops (such as Citrus), regeneration of entire plants has not yet been obtained in o…

Flux density at the airgap of small DC motors with different permanent-magnet poles

1993

A crystalline radical cation derived from Thiele’s hydrocarbon with redox range beyond 1 V

2021

Thiele’s hydrocarbon occupies a central role as an open-shell platform for new organic materials, however little is known about its redox behaviour. While recent synthetic approaches involving symmetrical carbene substitution of the CPh2 termini yield isolable neutral/dicationic analogues, the intervening radical cations are much more difficult to isolate, due to narrow compatible redox ranges (typically  1 V), permitting its isolation in crystalline form. Further single-electron oxidation affords borenium dication 12+, thereby establishing an organoboron redox system fully characterized in all three redox states. We perceive that this strategy can be extended to other transient organic rad…

Haptoglobintypenbestimmung mittels vertikaler S�ulenelektrophorese in Polyacrylamidgel

1972

Ein kontinuierliches und zwei diskontinuierliche Polyacrylamidgelelektrophoreseverfahren zur Haptoglobintypendifferenzierung werden beschrieben und die Vorzuge dieser Technik den mit der Starkegelelektrophorese zu gewinnenden Ergebnissen gegenubergestellt. Alle 3 Verfahren sind fur die Routinediagnostik geeignet. Die kontinuierliche PAA-Gelelektrophorese bedeutet zwar eine geringe Vereinfachung der Methodik, sie ist aber den Disk-Verfahren hinsichtlich der Trennungsergebnisse des Hp-Bandenspektrums unterlegen.

Genetic basis of human complement C4A deficiency. Detection of a point mutation leading to nonexpression.

1993

Abstract The fourth component of the human complement system (C4) is coded for by two genes, C4A and C4B, located within the MHC. Null alleles of C4 (C4Q0) are defined by the absence of C4 protein in plasma. These null alleles are due either to large gene deletions or to nonexpression of the respective genes. In a previous study, evidence was obtained for nonexpressed defective genes at the C4A locus, and for gene conversion at the C4B locus. To further characterize the molecular basis of these non-expressed C4A genes, we selected nine pairs of PCR primers from flanking genomic intron sequences to amplify all 41 exons from individuals with a defective C4A gene. The amplified products were s…

2-D difference gel electrophoresis approach to assess protein expression profiles in Bathymodiolus azoricus from Mid-Atlantic Ridge hydrothermal vent…

2011

Hydrothermal vent mussels Bathymodiolus azoricus are naturally exposed to toxic chemical species originated directly from vent chimneys. The amount of toxic elements varies significantly among vent sites along the Mid-Atlantic Ridge and B. azoricus must be able to adapt to changes in hydrothermal fluid composition, temperature and pressure. The aim of this work was to study changes in the proteome in the "gill-bacteria complex" of mussels B. azoricus from three hydrothermal vent sites with distinct environmental characteristics using 2-D Fluorescence Difference Gel Electrophoresis (2-D DIGE). Results showed that 31 proteins had different expression profiles among vent sites and both cluster…

Optimization of the domain in elliptic variational inequalities

1988

This paper is concerned with a nonsmooth shape optimization problem for the Signorini unilateral boundary-value problem. The necessary optimality conditions are derived. The results of computations are presented.

Sea urchin embryos as an in vivo model for the assessment of manganese toxicity: developmental and stress response effects.

2009

In the marine environment increasing concentrations of bio-available compounds often result from anthropogenic activities. Among metal ions, manganese represents a new emergent factor in environmental contamination. Here, we studied the effects of manganese on Paracentrotus lividus sea urchin embryos using biological and biochemical approaches for the analysis of impact on development, tissue accumulation and stress markers. Embryos were continuously exposed from fertilization to manganese at concentrations ranging from 1.0 to 61.6 mg l(-1), monitored for developmental abnormalities at 48 h after fertilization, and used for atomic spectrometric analysis at various times from 6 to 72 h. We f…

Genome-wide mapping of copy number variations in patients with both anorectal malformations and central nervous system abnormalities

2014

Background: Anorectal malformations (ARM) have a prevalence of around 1 in 2500 live births. In around 50% of patients, the malformation is isolated, while in the remainder it arises within the context of complex genetic abnormalities or a defined genetic syndrome. Recent studies have implicated rare copy number variations (CNVs) in both isolated and nonisolated ARM, and identified plausible candidate genes. Methods: In the present study, array-based molecular karyotyping was performed to identify causative CNVs in 32 sporadic ARM patients with comorbid abnormalities of the central nervous system (CNS). This phenotype was selected to enrich for rare CNVs, since previous research has implica…