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Showing 1 to 20 of 145 for “"PTA"”.
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A PTA (1,3,5-triaza-7-foszfaadamantán) AgClO4-al vízben képzett koordinációs polimerének jellemzése
… az 1,3,5-triaza-7-foszfaadamantánt, azaz a PTA-t kristályosítottam az AgClO4-tal. Ehhez a foszfint reagáltattam azonos mennyiségű ezüst-sóval vizes közegben fény kizárása mellett. A kivált kristályok nem oldódtak fel D2O-ban és DMSO-ban sem ezért az ezüst-perklorát és a foszfin „in situ” …
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PTA e stenting carotideo: valutazione morfologica ed evolutiva, a breve e medio termine
In un periodo di tre anni è stato svolto un lavoro mirato alla valutazione delle complicanze correlate all’utilizzo dello stenting carotideo. Dopo la preparazione di un protocollo con definizione di tutti i fattori di rischio sono stati individuati i criteri di inclusione ed esclusione attraverso i …
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Synthesis and biological evaluation of salicylaldimine complexes based on an alkylated PTA scaffold
… great promise over the last several decades. RAPTA-type (ruthenium arene 1,3,5-triaza-7-phosphaadamantane) complexes have shown great promise in vivo for the treatment of certain cancers. Combining RAPTA with other biologically active groups has often resulted in increased potency and …
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Impact of sire PTA<SUB>SCS</SUB> on mastitis resistance and measures of daughter performance
Research to determine the impact of PTA<SUB>SCS</SUB> on incidence of mastitis, daughter response to infection, and other measures of daughter performance was conducted using data on 1st, 2nd, and 3rd lactation Holsteins obtained from the Virginia Tech herd and from VA DHI herds. Overall …
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Aqueous Organometallic Catalysis: Nitrile Hydration Catalyzed by Ruthenium(II) 1,3,5-triaza-7-phosphaadamantane (PTA) Derived Complexes
… water-soluble 1,3,5-triaza-7-phosphaadamantane (PTA) and PTA derived ligands for the application of aqueous phase nitrile hydration. A series of PTA and PTA derivatives were characterized via solid-state NMR (SSNMR) and compared to their corresponding solution NMR spectra. Highly water-soluble …
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Alkylated PTA platforms for mono- and polynuclear pre-catalysts for the aqueous biphasic hydroformylation of 1-octene
A series of mono-, di- and trimeric alkylated PTA ligands were synthesised. These ligands were reacted with the dimeric rhodium precursor, [RhCl(COD)]2, to produce the corresponding mono-, di- and trinuclear Rh(I)-PTA complexes. These complexes were then reacted with carbon monoxide to substitute …
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Elementary Principals' and PTA Parent Representatives' Perceptions about the Effects of Parental Involvement on Student Achievement in Georgia Title I Schools
… the perceptions of elementary principals and PTA parent representatives about the effects of parental involvement on student achievement in three Georgia Title I schools. This particular study evolved from firsthand experiences while working with less fortunate students in a Title I school …
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Accuracy of predicting genetic merit of A.I. sampled bulls from pedigree information and the impact of son's proof on dam's PTA
… to determine the accuracy of predicting DYD and PTA from different sources of pedigree information obtained before the bull had daughter information. Traits evaluated were milk, fat and protein. Pedigree sources considered were PA, PI, PTA<sub>SIRE</sub> and PTA<sub>DAM</sub>. Approximate …
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Synthesis and Coordination Chemistry of Novel Water Soluble Diphosphines: Application to Ruthenium Catalyzed Aqueous Nitrile Hydration
… of two novel 1,3,5-triaza-7-phosphaadamantane (PTA) diphosphine derivatives. Preparation involved the addition of chlorophosphines to lithiated PTA (PTA-Li). Two novel bicyclic diamino chlorophosphines were isolated for the synthetic approach. The chlorophosphine ClP(NiPr)2(CH2)2 (3) is …
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Programa de Trabajo Autogestionado (PTA): a 20 años de una política pública para cooperativas de trabajo. Análisis sobre su implicancia en el sector
… encuentra el Programa de Trabajo Autogestionado (PTA) vigente desde el año 2004, perteneciente al Ministerio de Trabajo, Empleo y Seguridad Social de la Nación (MTEySS). El mismo se creó teniendo como público objetivo a las ERT, con el objeto de sostener y generar puestos de trabajo de estas …
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Plasma tissue factor, tissue factor pathway inhibitor and restenosis following femoropopliteal percutaneous transluminal angioplasty in claudicants
… However percutaneous transluminal angioplasty (PTA) is often performed to improve limb related symptoms. Claudicants may have variation in symptomatology and disease progression while awaiting PTA Moreover restenosis following PTA is a major therapeutic problem despite high initial success rate, …
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Impact of different strategies and levels of preferential treatment on different methods of bull dam selection
… indexes of cow Predicted Transmitting Abilities (PTA), first lactation PTA, (PTA-F), PTA after requiring phenotypic minimums, (PTA-P), 3-generation Pedigree Index (PI-3) and PTA after preselection on 3-generation Pedigree Index (PI-3/PTA). Comparison criterion was average merit on a 2:.2:.1 …
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Synthesis and Coordination Chemistry of Water-soluble Phosphines: Application to Ru-Catalyzed Hydration of Nitriles in Aqueous and Biphasic Media
… of a series of 1,3,5-triaza-7-phosphaadamantane (PTA) derivatives and their ruthenium arene complexes as potential water-soluble catalysts for aqueous and biphasic hydration of nitrile. A series of upper-rim modified PTA derivatives were prepared by reaction of lithiated PTA with various …
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OUTCOME CLINICO DELL ANGIOPLASTICA DILATATIVA IN PAZIENTI CON SCLEROSI MULTIPLA
… dell’angioplastica percutanea transluminale (PTA) nel trattamento di malformazioni endoluminali dei grandi vasi venosi 3) valutare l influenza del risultato sulla clinica del paziente e sul decorso in termini di progressione della malattia 4) valutare eventuali variazioni della qualità di …
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Viral Delivery of the Fat-1 Gene to Treat Post-Traumatic Arthritis with Diet-Induced Obesity
<p>Post-traumatic arthritis (PTA) is arthritis that develops following joint injury, including meniscus and ligament tears. Current treatments for PTA range from over-the-counter medication to knee replacement; however, in the presence of obesity, the levels of pro-inflammatory cytokines, such as …
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LIMITATIONS IN DIVERSIFYING HEALTHCARE PROVIDERS: SEEKING PREDICTORS FOR PHYSICAL THERAPIST ASSISTANT SUCCESS
… of accredited physical therapist assistant (PTA) programs located in the United States to determine if there were any significant differences between racial and ethnic minority and non-minority groups. Additionally, this study attempted to address gaps in discovering and understanding which …
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Neuropsychological impairment in children following head injury
… of all those who had post-traumatic amnesia (PTA) over 1 hour, a compound depressed or basal skull fracture, a seizure, or any evidence of neurological involvement, was collected (n=388). Further requirements that they should be between 6 and 14 years, English or Afrikaans speaking, and have …
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Estimation of the Economic Impact of a Unit Change in Predicted Transmitting Ability for Daughter Pregnancy Rate and Other Predicted Transmitting Ability in the Merit Indexes
… evaluations (predicted transmitting ability, PTA) are currently available. Data were collected from six states processed by Dairy Records Management Systems (DRMS) from herds on continuous test for at least 10 yr. The purpose of the first study was to determine how well estimators of lifetime …
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Hemilabile Phosphorus Enamine/Imine Ligands And Their Application In Ru-Catalyzed Aqueous Hydration Of Nitriles
… of aromatic nitriles into the C-Li bond of PTA-Li gave a new series of P,N k2-enaminophosphine derivatives (PTA=C(R)NH2) of 1,3,5-triaza-7-phosphaadamantane (PTA), with a characteristic double bond on the PTA cage. Oxidation or sulfuration of the ligands resulted in a mixture of cis-trans …
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