| Budget Amount *help |
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2014: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2012: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
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| Outline of Final Research Achievements |
We have established a synthetic method of platinum nanoclusters that acquire luminescent ability due to discretization of electronic states in a limited number of atoms. Green and yellow emitting platinum nanoclusters were synthesized via reduction of platinum ions after formation of complex in dendrimers or polymer. Then, optical properties, molecular weight, electronic states and size of the nanoclusters were measured and evaluated. Bio-imaging of chemokine receptors expressed in HeLa cells was achieved through surface modification of the green-emitting platinum nanoclusters. Finally, we demonstrated that the yellow-emitting platinum nanoclusters work as metal ion sensors and pH sensors via intensity change of photoluminescence.
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