FINE PARTICLE CONTAINING RARE EARTH ELEMENT AND FLUORESCENT PROBE USING THE SAME

WIPO Patent Application WO/2003/074630

A1

A fine particle containing a rare earth metal, characterized in that it is excited by a light having a wave length within the range of 500 nm to 2000 nm to undergo up-conversion light emission; and a fluorescent probe which comprises the fine particle containing a rare earth metal and a substance capable of bonding specifically with the fine particle containing a rare earth metal. The above fine particle can be exited by a light which does not adversely affect a material to be analyzed, and undergoes light emission with stability and with good efficiency.

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MATSUURA DAISUKE (JP)
HATTORI HIDESHI (JP)

PCT/JP2003/002480

September 12, 2003

March 04, 2003

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DAINIPPON PRINTING CO LTD (JP)
MATSUURA DAISUKE (JP)
HATTORI HIDESHI (JP)

G01N33/532; B82B1/00; B82B3/00; C01F17/218; C01F17/265; C09K11/02; C09K11/08; C09K11/77; C09K11/78; C09K11/85; G01N33/543; G01N33/58; (IPC1-7): C09K11/78; C09K11/08; G01N33/533; C01F17/00

WO1994007142A1	1994-03-31
WO1996001297A1	1996-01-18

JPS4826685A	1973-04-07
JPH10330745A	1998-12-15
JP2001116699A	2001-04-27
JP2000212558A	2000-08-02
EP1052278A1	2000-11-15

Yamashita, Akihiko c/o Tokyo, Central Patent Firm Oak Building 4th Floor (16-10 Kyobashi 1-chome Chuou-ku, Tokyo, JP)

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