Search results for "medicina."
showing 10 items of 7057 documents
Mejora de la calidad y seguridad del uso diagnóstico de los radiofármacos en pacientes pediátricos
2016
Los radiofármacos constituyen un grupo de medicamentos especiales que requieren una regulación específica para asegurar el uso de los mismos con garantías de calidad, seguridad y eficacia. La ausencia de un estándar de dosificación ha propiciado que en la práctica asistencial exista una variabilidad elevada en la selección de la actividad óptima de un determinado radiofármaco. Esta situación alcanza un mayor riesgo en los pacientes pediátricos, ya que por ser más radiosensibles, la exposición a la radiación conlleva un mayor riesgo para su salud. Por ello, se plantea la mejora del proceso de utilización de los radiofármacos a través de la selección de la actividad más segura, en términos de…
La responsabilità penale da derelizione di corpo estraneo in sito chirurgico
2011
The authors focus on the liability of the surgery team members in the case they inadvertently forget behind in the patient's body a foreign abject, which causes injuries and/or death. The authors underline that, according to the current case law regarding medical malproactice, both the main surgeon and their assistant/subordinate are liable for engaging in a markedly imprudent and/or negligent conduct, such as not double-checking scrupulously the surgical site before its closure in order to highlight forgotten foreign bodies. As well, the authors underline that either the circulator nurse or the theatre nurse can be considered punishable by law when that medical error occurs, even if they a…
Delitti di percosse e lesioni personali
2011
Plant Specialized Metabolites in Hazelnut (Corylus avellana) Kernel and Byproducts: An Update on Chemistry, Biological Activity, and Analytical Aspec…
2019
Abstract Corylus avellana (hazelnut) is one of the most popular tree nuts on a worldwide basis. The main products of C. avellana are kernels, a nutritious food, with a high content of healthy lipids, contained in a hard shell. In recent years, along with the ongoing research carried out on hazelnut kernels, a growing interest has been addressed to the hazelnut byproducts including hazelnut skin, hazelnut hard shell, and hazelnut green leafy cover as well as hazelnut tree leaf. These byproducts deriving from the roasting, cracking, shelling/hulling, and harvesting processes have been found as a source of “phytochemicals” with biological activity. The aim of this review is to provide a compre…
P-C Cross-Coupling Onto Enamides: Versatile Synthesis of α-Enamido Phosphane Derivatives
2012
We report herein the Pd-catalyzed P–C cross-coupling reac- tion between enol phosphates and secondary phosphane–bor- ane complexes or phosphane oxides. The reaction was per- formed under mild conditions, owing to Pd activation of the P–H bonds of the phosphane–boranes (or phosphane oxides) and to the powerful enol phosphate coupling reagents. New useful chiral and achiral α - β -alkenylphosphane derivatives bearing an amido group in the α -position to the P center were obtained in yields up to 70 %.
PtII versus PdII-assisted [2+3] cycloadditions of nitriles and nitrone. Synthesis of nitrile-derived arylamido platinum(II) and Δ4-1,2,4-oxadiazoline…
2019
Abstract The reactions of bis(organonitrile) platinum(II) complexes trans-[PtCl2(N CR)2] (R = C6H4(p-HC O), CH2C6H4(p-CH3)) with pyrroline N-oxide −O+N CHCH2CH2CMe2 afford arylamido platinum(II) complexes trans-[PtCl2{(O CR)N CCH2CH2CMe2NH}2] (R = C6H4(p-HC O) (1), CH2C6H4(p-CH3) (2)). The spectral data of 1 and 2 show that the oxadiazoline rings in both cases have opened by a spontaneous N O bond cleavage to form (Z)-p-formyl-N-(5,5-dimethylpyrrolidin-2-ylidene)benzamide or (Z)-N-(5,5-dimethylpyrrolidin-2-ylidene)-2-p-tolylacetamide ligands, respectively, where the N-atoms of the benzamide or acetamide moieties coordinate to platinum(II) metal centre in trans positions. However, the reacti…
Bis(hydroxyammonium) hexachloridoplatinate(IV)–18-crown-6 (1/2)
2014
In the title complex, (NH3OH)2[PtCl6]·2C12H24O6, the PtIV atom is coordinated by six chloride anions in a slightly distorted octahedral geometry. The Pt—Cl bond lengths are comparable to those reported for other hexachloridoplatinate(IV) species. The hydroxyammonium groups act as linkers between the [PtCl6]2− anion and the crown ether molecules. The anion is linked to two hydroxyammonium cations via O—H...Cl hydrogen bonds and each hydroxyammonium moiety is linked to a crown ether molecule by hydrogen bonds between ammonium H atoms and 18-crown-6 O atoms. The crown ether molecules have the classic crown shape in which all O atoms are located in the inner part of the crown ether ring and all…
Il polimorfismo C4887A del gene CYP1A1 influenza il metabolismo estrogenico e la massa ossea
2004
Políticas sanitarias locales puestas a prueba: consultores, expertos, misiones internacionales y poliomielitis en España, 1950-1975 = Local health po…
2015
Aquest treball analitza les missions d'experts d'organismes sanitaris internacionals a Espanya destinades a informar sobre la situació, les activitats realitzades i les intervencions necessàries en la lluita contra la discapacitat física dels xiquets. El Pla Espanya-23 va ser l'instrument utilitzat per l'OMS i altres agències per a posar en marxa el procés de canvi en un país en transformació durant la llarga etapa de vigència de la dictadura franquista. El treball utilitza com a fonts informes inèdits d'experts de l'OMS, que van ser resultat de visites realitzades al país entre 1950 i 1975. L'abordatge metodològic va consistir en una anàlisi del discurs que es troba en les fonts i la seua …
Sequestration of biogenic amines by alginic and fulvic acids.
2006
The interaction of natural (alginic and fulvic acids) and synthetic (polyacrylic acid 2.0 kDa) polyelectrolytes with some protonated polyamines [diamines: ethylendiamine, 1,4-diaminobutane (or putrescine), 1,5-diaminopentane (or cadaverine); triamines: N-(3-aminopropyl)-1,4diaminobutane (or spermidine), diethylenetriamine; tetramine: N.N'-bis(3-aminopropyl)-1,4-diaminobutane (or spermine); pentamine: tetraethylene-pentamine; hexamine: pentaethylenehexamine] was studied at T=25 degrees C by potentiometry and calorimetry. Measurements were performed without supporting electrolyte, in order to avoid interference, and results were reported at I=0 mol L(-1). For all the systems, the formation of…