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Chapter and Conference Paper
Development of New Extractants for Platinum Group Metal Ions in Hydrochloric Acid Solutions
is widely used for the separation and purification of platinum group metal ions. This paper describes our development of two series of for Pd( (III) chloridometalates. We have found that sulfide-diamide-t...
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Article
Open AccessScenario assessment of neodymium recycling in Japan based on substance flow analysis and future demand forecast
With the increasing demand for energy-saving technologies, neodymium-iron-boron magnets have been widely utilized in high-efficiency motors. However, the reserves of neodymium, which is a rare earth element (R...
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Article
A detailed pathway and termination of thoracic duct in a Japanese female cadaver with situs inversus totalis
Although the thoracic duct (TD) requires special attention during thoracic surgery, to our knowledge, its detailed course in the situs inversus totalis (SIT) case has not been reported. We encountered an 86-ye...
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Article
Solubilization of Rhodium in Hydrochloric Acid Using an Alkali Metal Salt Method
Acids such as aqua regia, a 3:1 mixture of hydrochloric acid (HCl) and nitric acid, that contain strong oxidizing agents are used in the dissolution-based recovery of platinum group metals (PGMs). However, nit...
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Article
Unique Anion-exchange Properties of 3,3′-Diaminobenzidine Resulting in High Selectivity for Rhodium(III) over Palladium(II) and Platinum(IV) in a Concentrated Hydrochloric Acid Solution
The effective recovery of Rh(III) from mixtures also containing Pd(II) and Pt(IV) is one of the most difficult tasks in platinum group metal refining. Adding 3,3′-diaminobenzidine (DAB) to 7 and 10 M HCl aqueo...
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Chapter and Conference Paper
Equilibrium Modeling of Solvent Extraction and Strip** of Copper(II), Nickel(II), and Ammonia for Ammoniacal Process Using LIX® 84-I
(II) and (II) are often recovered from ammoniacal alkaline solutions by using hydroxyoxime extractants: both (II) and (II) are extracted from ammoniacal alkaline solutions and, from the loaded organic p...
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Article
Comparison of the Extractabilities of Tetrachloro- and Tetrabromopalladate(II) Ions with a Thiodiglycolamide Compound
Using N,N,N′,N′-tetra-2-ethylhexyl-thiodiglycolamide (TEHTDGA) in n-dodecane as the extractant, we compared the percentages of Pd(II) extracted from HCl and HBr solutions, and analyzed the structures of the Pd(II...
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Article
Open AccessEngraftment and morphological development of vascularized human iPS cell-derived 3D-cardiomyocyte tissue after xenotransplantation
One of the major challenges in cell-based cardiac regenerative medicine is the in vitro construction of three-dimensional (3D) tissues consisting of induced pluripotent stem cell-derived cardiomyocyte (iPSC-CM) a...
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Chapter and Conference Paper
Adsorbents for Selective Recovery of Heavy Rare Earth Elements
There is an increasing attention to recover dilute rare earth elements (REEs) from acidic solutions in order to meet their demands and stabilize their supply chain. Adsorption is suitable for recovering target...
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Chapter and Conference Paper
Recycling Valuable Metals via Hydrometallurgical Routes
The hydrometallurgical method is one of the key technologies in metal recycling, because it enables the fine separation between chemically-similar metals and a small-scale operation. In this paper, the recent ...
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Article
Treatment of arthritis with a selective inhibitor of c-Fos/activator protein-1
Therapies that target only one inflammatory cytokine such as tumor necrosis factor α are often insufficient to treat rheumatoid arthritis. Aikawa et al. show that a small molecule targeting c-Fos/AP-1, a transcri...
