Archive for the ‘researches 4’ Category
Sunday, March 16th, 2008
Brain segmentation and trigeminal projections in the lamprey; with reference to vertebrate brain evolution.
Vertebrate brains exhibit remarkable diversity in each animal group, reflecting evolutionary changes at the molecular-level developmental program of the nervous system that vertebrates have experienced. We focused on the developmental morphological plan ...
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Sunday, March 16th, 2008
Conserved non-coding sequences and transcriptional regulation.
Genes coding for transcription factors and developmental regulators have a high likelihood to harbour cis-regulatory regions that are structurally conserved among orthologous genes in the vertebrate lineage. These regions can span up to several hundred basepairs with 70 and more ...
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Sunday, March 16th, 2008
Distinct immunohistochemically defined areas in the medial amygdala in the developing and adult mouse.
The medial amygdala has been considered a subpallial structure, but various studies have shown that is a somewhat complex structure expressing both pallial and subpallial gene markers. In this regard, we analyzed ...
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Sunday, March 16th, 2008
Forebrain evolution in bony fishes.
The bony fishes consist of ray-finned fishes and lobe-finned fishes. In ray-finned fishes, the forebrain forms a morphocline from the cladistian bichirs through teleosts regarding the number and increasing complexity of pallial connections. The nuclei of the posterior tubercle parallel this ...
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Sunday, March 16th, 2008
Two interconnected functional systems in the amygdala of amniote vertebrates.
The amygdala shows ventropallial and lateropallial derivatives that can be compared among vertebrates according to their topological position, either superficial (cortical amygdala) or deep (basolateral amygdala and amygdalo-hippocampal area), connections and histochemical features. On the other ...
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Sunday, March 16th, 2008
Introduction to the Proceedings of the Fifth European Conference on Comparative Neurobiology: Evolution and the generation of novelties in the nervous system.
Ten Donkelaar HJ, Vernier P, Wullimann M, Molnár Z.
Nijmegen, The Netherlands.
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Sunday, March 16th, 2008
Tobacco and fertility: our responsibilities.
Publication of the new US Public Health Service-sponsored Clinical Practice Guideline, Treating Tobacco Use and Dependence: 2008, coupled with the persistent prevalence of tobacco use in the reproductive-age population and the negative effect of tobacco on fertility, prompts an updated review ...
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Sunday, March 16th, 2008
Markov modeling: questionable data in, questionable data out.
Olive DL, Pritts EA.
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Sunday, March 16th, 2008
Clinical factors affecting endometrial receptiveness in oocyte donation cycles.
OBJECTIVE: To provide a summary of the actual knowledge about the clinical factors affecting the oocyte recipient (other than those associated with uterine cavity abnormalities) on the outcome of oocyte donation cycles. DESIGN: Review of the literature. ...
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Sunday, March 16th, 2008
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Sunday, March 16th, 2008
Narrowly dispersed molecularly imprinted microspheres prepared by a modified precipitation polymerization method.
A modified precipitation polymerization (MPP) method was established to prepare narrowly dispersed molecularly imprinted polymeric microspheres. MPP was stabilizer and surfactant free and needed only small amount of porogen (about 50 wt.%). Only part ...
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Sunday, March 16th, 2008
Precise determination of cadmium and lead isotopic compositions in river sediments.
A method for the accurate determination of Cd and Pb isotope compositions in sediment samples is presented. Separation of Cd and Pb was designed by using an anionic exchange chromatographic procedure. Measurements of Cd isotopic ...
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Sunday, March 16th, 2008
Preliminary evaluation of new polymer matrix for solid-phase extraction of nonylphenol from water samples.
Molecularly imprinted (MIP) and blank polymers with affinity for nonylphenol were designed using computational modelling. Chromatographic tests demonstrated higher affinity of imprinted polymers towards the template nonylphenol as compared with blank polymers. ...
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Sunday, March 16th, 2008
A liposome immune lysis assay for enrofloxacin in carp and chicken muscle.
A homogenous complement-mediated liposome immune lysis assay (LILA) was developed for the determination of enrofloxacin (ENRO) in carp and chicken muscle. ENRO was covalently coupled to DPPE, and then immobilized onto the surface of ...
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Sunday, March 16th, 2008
Simultaneous voltammetric detection of ascorbic acid, dopamine and uric acid using a pyrolytic graphite electrode modified into dopamine solution.
Pyrolytic graphite electrodes (PGE) were modified into dopamine solutions using phosphate buffer solutions, pH 10 and 6.5, as supporting electrolyte. The modification process involved a previous anodization ...
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Sunday, March 16th, 2008
A novel approach based on ferricyanide-mediator immobilized in an ion-exchangeable biosensing film for the determination of biochemical oxygen demand.
A novel biochemical oxygen demand (BOD) sensing method employing a ferricyanide (FC) mediator immobilized in an ion-exchangeable polysiloxane was developed. The ion-exchangeable polysiloxane containing alkylammonium groups (PAPS-Cl) ...
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Sunday, March 16th, 2008
Molecularly imprinted polymer based potentiometric sensor for the determination of hydroxyzine in tablets and biological fluids.
Molecular imprinting is a useful technique for the preparation of functional materials with molecular recognition properties. In this work, a biomimetic potentiometric sensor, based on a non-covalent imprinted polymer, was ...
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Sunday, March 16th, 2008
Comparison of low-level polycyclic aromatic hydrocarbons in sediment revealed by Soxhlet extraction, microwave-assisted extraction, and pressurized liquid extraction.
We analyzed polycyclic aromatic hydrocarbons (PAHs) present in lake sediment at low levels (<1 microg g(-1)) by using Soxhlet extraction (Soxhlet), microwave-assisted extraction (MAE), and pressurized liquid extraction ...
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Sunday, March 16th, 2008
Spectrophotometric determination of cyclotrimethylenetrinitramine (RDX) in explosive mixtures and residues with the Berthelot reaction.
On-site colorimetric methods are a valuable, cost-effective tool to assess the nature and extent of contamination in remediated sites and to enable on-site screening for police criminology laboratories. The existing colorimetric method ...
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Sunday, March 16th, 2008
Application of liquid-liquid-liquid microextraction and high-performance liquid-chromatography for the determination of sulfonamides in water.
This work presents a novel liquid-liquid-liquid microextraction (LLLME) technique for the extraction of sulfonamides from aqueous systems; it combines with high-performance liquid-chromatography-ultraviolet absorbance detection (HPLC/UV). In this experiment the sulfonamides were successively ...
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Sunday, March 16th, 2008
Bioelectrochemical immunoassay of polychlorinated biphenyl.
A simple, rapid, and highly sensitive bioelectrochemical immunoassay method based on magnetic beads (MBs) and disposable screen-printed electrodes (SPE) has been developed to detect polychlorinated biphenyls (PCBs). The principle of this bioassay is based on a direct competitive enzyme-linked immunosorbent assay ...
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Sunday, March 16th, 2008
A highly sensitive amperometric sensor for oxygen based on iron(II) tetrasulfonated phthalocyanine and iron(III) tetra-(N-methyl-pyridyl)-porphyrin multilayers.
The development of a highly sensitive sensor for oxygen is proposed using a glassy carbon (GC) electrode modified with alternated layers of iron(II) tetrasulfonated phthalocyanine (FeTsPc) and iron(III) tetra-(N-methyl-pyridyl)-porphyrin (FeT4MPyP). ...
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Sunday, March 16th, 2008
An entropy-based method for noise reduction of liquid chromatography-mass spectrometry data.
Entropy-based methods have been extensively used to measure the uncertainty information in a variety of fields. In this article, a novel information theory-based method for reducing noise of liquid chromatography-mass spectrometry (LC/MS) data was developed. ...
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Sunday, March 16th, 2008
Mining in chemometrics.
Some of the increasingly spread data mining methods in chemometrics like exploratory data analysis, artificial neural networks, pattern recognition, and digital image processing with their highs and lows along with some of their representative applications are discussed. The development of more complex analytical ...
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Sunday, March 16th, 2008
Age-related alterations in oxidatively damaged proteins of mouse heart mitochondrial electron transport chain complexes.
Mitochondrially generated ROS increase with age and are a major factor that damages proteins by oxidative modification. Accumulation of oxidatively damaged proteins has been implicated as a causal factor in the age-associated ...
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