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10.1021/acscentsci.6b00356 http://scihub22266oqcxt.onion/10.1021/acscentsci.6b00356 C5364452!5364452 !28386595     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=28386595 &cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\28386595 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       ACS+Cent+Sci 2017 ; 3 (3 ): 176-185 Nephropedia Template TP {{tp|p=28386595 |t=2017. Synthesis and Characterization of the Actinium Aquo Ion |pdf=|usr=}}{{28386595 }} gab.com Text Synthesis and Characterization of the Actinium Aquo Ion JO: ACS Cent Sci http://www.kidney.de/pget.php?&tw=1&pmid=28386595 #FOAvip Metal aquo ions occupy central roles in all equilibria that define metal complexation in natural environments. These complexes are used to establish thermodynamic metrics (i.e., stability constants) for predicting metal binding, which are essential for defining critical parameters associated with aqueous speciation, metal chelation, in vivo transport, and so on. As such, establishing the fundamental chemistry of the actinium(III) aquo ion (Ac-aquo ion, Ac(H(2)O) (x)(3+)) is critical for current efforts to develop (225)Ac [t(1/2) = 10.0(1) d] as a targeted anticancer therapeutic agent. However, given the limited amount of actinium available for study and its high radioactivity, many aspects of actinium chemistry remain poorly defined. We overcame these challenges using the longer-lived (227)Ac [t(1/2) = 21.772(3) y] isotope and report the first characterization of this fundamentally important Ac-aquo coordination complex. Our X-ray absorption fine structure study revealed 10.9 ± 0.5 water molecules directly coordinated to the Ac(III) cation with an Ac-O(H2O) distance of 2.63(1) Å. This experimentally determined distance was consistent with molecular dynamics density functional theory results that showed (over the course of 8 ps) that Ac(III) was coordinated by 9 water molecules with Ac-O(H2O) distances ranging from 2.61 to 2.76 Å. The data is presented in the context of other actinide(III) and lanthanide(III) aquo ions characterized by XAFS and highlights the uniqueness of the large Ac(III) coordination numbers and long Ac-O(H2O) bond distances. Twit Text FOAVip Synthesis and Characterization of the Actinium Aquo Ion ????ACS Cent Sci http://www.kidney.de/pget.php?&tw=1&pmid=28386595 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28386595 #FOAvip English Wikipedia <ref>{{Cite pmid|28386595 }}</ref> Synthesis and Characterization of the Actinium Aquo Ion #MMPMID28386595 Ferrier MG ; Stein BW ; Batista ER ; Berg JM ; Birnbaum ER ; Engle JW ; John KD ; Kozimor SA ; Lezama Pacheco JS ; Redman LN ACS Cent Sci 2017[Mar]; 3 (3 ): 176-185 PMID28386595 show ga Metal aquo ions occupy central roles in all equilibria that define metal complexation in natural environments. These complexes are used to establish thermodynamic metrics (i.e., stability constants) for predicting metal binding, which are essential for defining critical parameters associated with aqueous speciation, metal chelation, in vivo transport, and so on. As such, establishing the fundamental chemistry of the actinium(III) aquo ion (Ac-aquo ion, Ac(H(2)O) (x)(3+)) is critical for current efforts to develop (225)Ac [t(1/2) = 10.0(1) d] as a targeted anticancer therapeutic agent. However, given the limited amount of actinium available for study and its high radioactivity, many aspects of actinium chemistry remain poorly defined. We overcame these challenges using the longer-lived (227)Ac [t(1/2) = 21.772(3) y] isotope and report the first characterization of this fundamentally important Ac-aquo coordination complex. Our X-ray absorption fine structure study revealed 10.9 ± 0.5 water molecules directly coordinated to the Ac(III) cation with an Ac-O(H2O) distance of 2.63(1) Å. This experimentally determined distance was consistent with molecular dynamics density functional theory results that showed (over the course of 8 ps) that Ac(III) was coordinated by 9 water molecules with Ac-O(H2O) distances ranging from 2.61 to 2.76 Å. The data is presented in the context of other actinide(III) and lanthanide(III) aquo ions characterized by XAFS and highlights the uniqueness of the large Ac(III) coordination numbers and long Ac-O(H2O) bond distances. äSynthesis and Characterization of the Actinium Aquo Ion (epmc).pdf DeepDyve Pubget Overpricing