JPH11507733A - 血液中の白血球の鑑別式決定のための試薬及び方法 - Google Patents
血液中の白血球の鑑別式決定のための試薬及び方法Info
- Publication number
- JPH11507733A JPH11507733A JP9503079A JP50307997A JPH11507733A JP H11507733 A JPH11507733 A JP H11507733A JP 9503079 A JP9503079 A JP 9503079A JP 50307997 A JP50307997 A JP 50307997A JP H11507733 A JPH11507733 A JP H11507733A
- Authority
- JP
- Japan
- Prior art keywords
- reagent composition
- lysis
- acid
- blood
- stabilizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
- G01N33/5094—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for blood cell populations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.溶解試薬組成物であって: a.次の一般式により表わされるエトキシル化長鎖アミン化合物 (式中、Rは12〜22個の炭素原子を有するアルキル、アルケニル又はアルキニ ルであり、m及びnはそれぞれ1であり、そしてm+nは20〜40である);及び b.この溶解試薬組成物のpHを2.0〜3.6の範囲内に調整する酸; を含んで成る溶解試薬組成物。 2.Rが14〜20個の炭素原子を有するアルキル基である、請求項1記載の溶解 試薬組成物。 3.前記溶解試薬組成物中の前記化合物が8g/β〜80g/lの濃度である、 請求項1記載の溶解試薬組成物。 4.pHを調整するために使用する前記酸が有機酸を含んで成る、請求項1記載 の溶解試薬組成物。 5.pHを調整するために使用する前記酸がギ酸を含んで成る、請求項4記載の 溶解試薬組成物。 6.pHを調整するために使用する前記酸がギ酸と、酢酸、クエン酸、シュウ酸 、グリコール酸、プロピオン酸、塩酸、硫酸及びリン酸並びにそれらの混合物よ り成る群から選ばれる酸との有効な混合物を含んで成る、請求項4記載の溶解試 薬組成物。 7.溶解試薬系であって: a.1)次の一般式により表わされるエトキシル化長鎖アミン化合物: (式中、Rは12〜22個の炭素原子を有するアルキル、アルケニル又はアルキニ ル基であり、m及びnはそれぞれ1であり、そしてm+nは20〜40である);及 び 2)この溶解試薬のpHを2.0〜3.6の範囲内に調整する酸;並びに b.高張アルカリ安定化試薬組成物; を含んで成る溶解試薬系。 8.前記高張アルカリ安定化試薬組成物が塩化物の塩、硫酸塩及び緩衝剤を含 んで成る、請求項7記載の溶解試薬系。 9.前記高張アルカリ安定化試薬組成物が: a.この安定化試薬組成物の総重量に基づき0.25〜4重量%の量の、塩化ナト リウム及び塩化カリウムより成る群から選ばれる塩化物の塩;並びに b.この安定化試薬組成物の総重量に基づき0.25〜9重量%の量の、硫酸ナト リウム及び硫酸カリウムより成る群から選ばれる硫酸塩; を含んで成る請求項8記載の溶解試薬系。 10.前記安定化試薬組成物のpHを7〜12.5のpHに調整する緩衝剤を更に含んで 成る、請求項7記載の溶解試薬系。 11.前記緩衝剤が炭酸塩、リン酸塩、トリス及び四硼酸塩より成る群から選ば れる、請求項10記載の溶解試薬系。 12.血液細胞サンプル中の赤血球の間質溶解のための方法であっ て、血液サンプルを請求項1記載の溶解試薬組成物に、赤血球が溶解するのに十 分な時間曝露させることを含んで成る、方法。 13.高張アルカリ安定化試薬組成物の添加により血液細胞サンプル中の白血球 の溶解を阻止することを更に含んで成る、請求項12記載の方法。 14.血液細胞サンプル中の赤血球の間質溶解及び白血球サブ集団の分析のため の方法であって: a.血液サンプルを赤血球が溶解するのに十分な時間請求項1記載の溶解試薬 組成物に曝露する;そして b.前記溶解試薬組成物の溶解作用を阻止するために高張アルカリ安定化試薬 組成物を添加する;そして c.血液細胞サンプル中に含まれる白血球サブ集団を分析する; ことを含んで成る方法。 15.前記安定化試薬組成物が白血球サブ集団を5.0〜8.5のpHにおいて及び400 〜600mOsmの浸透圧の高張媒体において安定化させる、請求項14記載の方法。 16.前記安定化試薬組成物が白血球サブ集団を6.5〜7.5のpHにおいて及び410 〜520mOsmの浸透圧の高張媒体において安定化させる、請求項15記載の方法。 17.血液細胞サンプル中の赤血球の間質溶解及び白血球サブ集団の分析のため の方法であって: a.血液サンプルを請求項1記載の溶解試薬組成物に10秒以内曝露する; b.前記曝露した血液サンプルに安定化試薬組成物を添加する。 ここでこの安定化試薬組成物は溶解作用を阻止し、そして溶血した血液サンプル の白血球を安定化する;そして c.自動式分析器を利用してリンパ球、単球、好塩基球、好中球 及び好酸球より成る白血球サブ集団のうちの少なくとも2種を鑑別する; ことを含んで成る方法。 18.前記少なくとも2種の白血球サブ集団の鑑別を単一段階測定において実施 する、請求項17記載の方法。 19.少なくとも3種の白血球サブ集団を得る、請求項17記載の方法。 20.少なくとも4種の白血球サブ集団を得る、請求項17記載の方法。 21.少なくとも5種の白血球サブ集団を得る、請求項17記載の方法。 22.前記血液サンプルが異常な細胞集団を含む、請求項17記載の方法。 23.前記血液サンプルの起源が非ヒト動物である、請求項17記載の方法。 24.前記血液サンプルが6時間以上経たものである、請求項17記載の方法。 25.前記高張安定化試薬組成物が塩化物の塩、硫酸塩及び緩衝剤を含んで成る 、請求項17記載の方法。 26.前記水性高張アルカリ安定化試薬が: a.この安定化試薬組成物の総重量に基づき0.25〜4重量%の量の、塩化ナト リウム及び塩化カリウムより成る群から選ばれる塩化物の塩;並びに b.この安定化試薬組成物の総重量に基づき0.25〜9重量%の量の、硫酸ナト リウム及び硫酸カリウムより成る群から選ばれる硫酸塩; を含んで成る、請求項25記載の高張アルカリ安定化試薬。 27.緩衝剤を更に含んで成り、前記安定化試薬のpHがこの緩衝剤によりpH7〜 12.5に調整されている、請求項17記載の溶解試薬系。 28.血液サンプル中の白血球の4種以上のサブ集団の鑑別のための方法であっ て: a.装置により単一工程測定で処理済み血液サンプルを分析する、ここでこの 単一工程測定は4種以上の白血球サブ集団を得るために同一の溶解試薬により血 液サンプルの単一のアリコートを用いて行い、この分析は (1)D.C.容積、 (2)RFサイズ、 (3)不透明性、 (4)光散乱及び (5)蛍光 より成る群のうちの2つから選ばれる; b.かかる分析結果を装置において記録する; ことを含んで成る方法。 29.分析方法の一つがD.C.容積である、請求項28記載の方法。 30.4種の白血球サブ集団の一つが好塩基球である、請求項28記載の方法。 31.4種の白血球サブ集団のうち一つが好酸球である、請求項28記載の方法。 32.血液サンプル中のHbの決定のための方法であって、請求項7記載の溶解試 薬系による赤血球の間質溶解及び約540nmでの光吸収の測定を含んで成る方法。 33.流体サンプル中の細胞集団の鑑別分析のための方法であって、請求項7記 載の溶解試薬系による細胞のサブ集団の選択的溶血及び残留細胞集団の分析を含 んで成る方法。 34.前記流体サンプルがヒト由来の非末梢流体である、請求項33記載の方法。 35.前記流体サンプルが骨髄を含んで成る、請求項34記載の方法。
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| US08/488,630 | 1995-06-08 | ||
| PCT/US1996/007762 WO1996042015A2 (en) | 1995-06-08 | 1996-05-24 | Reagent and method for differential determination of leukocytes in blood |
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| JP2836865B2 (ja) * | 1989-10-23 | 1998-12-14 | 東亜医用電子株式会社 | 血液中の白血球およびヘモグロビンの測定用試薬 |
| FR2658300B1 (fr) * | 1990-02-13 | 1992-05-29 | Abx Sa | Reactif et methode d'utilisation de celui-ci pour la numeration automatique des leucocytes basophiles du sang en appareils de mesure par variation de resistivite. |
| US5242832A (en) * | 1990-03-01 | 1993-09-07 | Toa Medical Electronics Co., Ltd. | Reagent for measurement of leukocytes and hemoglobin in blood |
| US5198485A (en) * | 1991-08-12 | 1993-03-30 | Eastman Kodak Company | Aqueous coating composition comprising chlorinated polyolefin |
-
1995
- 1995-06-08 US US08/488,630 patent/US5686308A/en not_active Expired - Lifetime
-
1996
- 1996-05-24 EP EP96916665A patent/EP0846264B1/en not_active Expired - Lifetime
- 1996-05-24 JP JP50307997A patent/JP3679127B2/ja not_active Expired - Fee Related
- 1996-05-24 WO PCT/US1996/007762 patent/WO1996042015A2/en not_active Ceased
- 1996-05-24 DE DE69603491T patent/DE69603491T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69603491T2 (de) | 2000-02-17 |
| US5686308A (en) | 1997-11-11 |
| WO1996042015A2 (en) | 1996-12-27 |
| DE69603491D1 (de) | 1999-09-02 |
| EP0846264B1 (en) | 1999-07-28 |
| WO1996042015A3 (en) | 1997-05-15 |
| EP0846264A2 (en) | 1998-06-10 |
| JP3679127B2 (ja) | 2005-08-03 |
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