Sb2O3/MXene(Ti3C2Tx) composites with Sb2O3nanoparticles confined in the 3D network of Ti3C2Txflakes were fabricated as anodes for Na-ion batteries.

Purpose-To describe a new capsular bag refilling procedure using a novel accommodative intraocular lens (IOL). Settings-JinshikaiMedical Foundation Nishi Eye Hospital, 4-14-26 Nakamichi, Higashinari-ku, Osaka 537-0025, Osaka, Japan Methods-A disc-shaped anterior accommodative IOL (AC-IOL) serving both as an optical device and also as a mechanical device to prevent leakage of the injected silicone polymers has been developed. The optic and overall diameters of this foldable silicone IOL are 6 and 9 mm, respectively,. After 3.5 to 4 mm continuous curvilinear capsulorhexis (CCC) is completed, phacoemulsification and aspiration are performed in the usual manner. Then a posteriorly placed AC-IOL with sharp edges, is implanted into the capsular bag that both prevents PCO formation as well as leakage of the injected silicone polymer. A posterior CCC may be considered as an option at this point. Then, an anterior AC-IOL is piggy-backed over the existing IOL and silicone polymers are injected between two IOLs.Results-Experiments in numerous pig cadaver eyes and as well as 10 rabbit eyes, showed minimal to absent silicone leakage. In the eyes without a posterior CCC, two eyes were PCO free and three eyes showed slight to moderate PCO. All 5 eyes with posterior CCC were PCO free 5 to 8 weeks after surgery.Conclusions-This procedure which has the potential to overcome the two persisting problems that plague lens-refilling techniques, namely, leakage of the injectable silicone polymer and capsular opacification may represent a breakthrough in lens-refilling technique. The procedure will soon be tested in primate eyes to confirm the accommodation range achieved. SYNOPSISThe experimental results of a new lens refilling procedure showed that it may solve the two persisting problems, leakage of the injected silicone polymer and capsular opacification, and thus may demonstrate potential clinical application.

Three novel organic-inorganic hybrid materials with mixed 4,4′-bipyridine and 2,2′-bipyridine ligands, K[{Cu I -(2,2′-bipy)}(4,4′-bipy){Cu I (2,2′-bipy)} 0.5 ] 2 [Mo 8 O 26 ] (1), [Cu I (4,4′-bipy)] 3 [PMo 10 VI Mo 2 V O 40 {Cu II (2,2′-bipy)}] (2), and [Cu I (2,2′-bipy)-(4,4′-bipy) 0.5 ] 2 [Cu I (4,4′-bipy)] 2 [SiW 12 O 40 ] (3) (2,2′-bipy ) 2,2′-bipyridine, 4,4′-bipy ) 4,4′-bipyridine), have been hydrothermally synthesized. Compound 1 is a novel β-[Mo 8 O 26 ] 4polyoxoanion bisupported by copper(I) coordination cations with mixed 4,4′bipy and 2,2′-bipy ligands. Compound 2 consists of the divalent copper {Cu II (2,2′-bipy)} 2+ capped [PMo 10 VI Mo 2 V O 40 ] 5building blocks linked by {Cu(4,4′-bipy)} n n+ linear cationic chains into a novel two-dimensional (2D) network.To the best of our knowledge, compound 2 exhibits an unprecedented 2D structure containing the divalent copper capped polyoxometalate as building blocks. The novel structure of 3 is composed of one-dimensional hybrid zigzag chains linked by {Cu(4,4′-bipy)} n n+ chains into a three-dimensional (3D) framework via weak Cu-O interactions. The novelty of compound 3 is that it is the first time that a novel 3D framework has been formed by polyoxometalate and transition metal coordination polymer chains with mixed 4,4′-bipy and 2,2′-bipy.

A series of novel organic-inorganic assemblies, [Zn(Meen)2]2[(4,4'-bipy)Zn2As8V12O40(H2O)] (1), [Zn(en)2(H2O)][Zn(en)2(4,4'-bipy)Zn2As8V12O40(H2O)].3H2O (2), [[Zn(en)3]2[Zn2As8V12O40(H2O)]].4H2O.0.25bipy (3) and [Zn2(en)5][[Zn(en)2][(bpe)HZn2As8V12O40(H2O)]2].7H2O (4) [en = ethylenediamine, Meen = 1,2-diaminopropane, 4,4'-bipy = 4,4'-bipyridine, and bpe = 1,2-bis(4-pyridyl)ethane] constructed from organically modified Zn-substituted polyoxovanadates and zinc organoamine subunits have been synthesized. Each anion cluster of compound 1 is directly linked by the 4,4'-bipy ligand into a one-dimensional (1D) straight chain. The secondary metal complex [Zn(Meen)2]2+ acts as an isolated countercation. The 1D chain structure of 2 is similar to that of 1 but sinuate because of the secondary metal complex [Zn(en)2]2+ decorated on the anion cluster. The en ligands covalently bonding to the surface anion of 3 not only support the secondary metal complex [Zn(en)2]2+ but also coordinate to another anion through the secondary metal complex [Zn(en)2]2+ bridge to form an "eight-shaped" chiral helix. The unprecedented 2D layer of compound 4 with large nanosized inner rectangular cavities [33.669(6) x 14.720(8) A] is successfully achieved through the anion clusters polymerized first into chains by flexible organic ligands and then secondary metal complexes bridged between the chains. The different coordination abilities and geometries of the bidentate organodiamine ligands used in the four-reaction systems play important roles in the formation of the final structures: from straight chains to sinuate chains, to helical chiral chains, and finally to a 2D layer with helices.

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