JP6177764B2 - 生物学的試料の固定および保存のための固定液 - Google Patents
生物学的試料の固定および保存のための固定液 Download PDFInfo
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
シャウディン固定液(水銀塩を含有している)、SAF(ホルムアルデヒドを含有している)、MIF(ホルムアルデヒドと水銀塩とを含有している)、オスミウム酸(発癌性、毒性、苛性である)、クロム酸(発癌性、毒性、苛性)、FA(ホルムアルデヒドとアルコール)および文献に示された他のものが挙げられる。
本明細書は以下の発明の開示を包含する:
[1]1種類以上のハロゲンシアノアセトアミドが生物学的試料の固定に使用される、生体物質の固定および保存のための固定用物質。
[2]2,2−ジブロモ−2−シアノアセトアミドまたは2,2−ジブロモ−3−ニトリロプロピオンアミドあるいは略してDBNPAである、[1]に記載の固定用物質。
[3]水、有機溶媒の有機混合物または水と有機溶媒との混合物であり得る溶媒を含む[1]または[2]に記載の固定液。
[4]固定液をpH3.0〜pH9.0の範囲に調整するためのpH調整剤を含むことを特徴とする、[1]、[2]および[3]のいずれかに記載の固定液。
[5]酸、塩基またはバッファーであり得、固定液をpH範囲3.5〜pH6に適合させるためのpH調整剤を含むことを特徴とする、[1]、[2]、[3]および[4]のいずれかに記載の固定液。
[6]クエン酸、酢酸、リン酸もしくはギ酸またはその対応するバッファーである1種類のpH調整剤の存在を特徴とする、[1]、[2]、[3]、[4]および[5]のいずれかに記載の固定液。
[7]以下のさらなる成分:
− 湿潤剤または湿潤剤混合物:グリセリン、エチレングリコール、プロピレングリコール、エリトリトール、ソルビトールまたは同様の特質を有する物質など
− 界面活性剤または界面活性剤混合物、例えば、TWEEN80などの非イオン性界面活性剤またはドデシル硫酸ナトリウムなどのイオン性界面活性剤
− ユーカリ油などの香気物質または芳香物質の混合物
− 水溶性または溶媒中で使用されるアニリンなどの色素または色素混合物
− 等張性に調整するための塩化ナトリウムなどのアルカリ金属またはアルカリ土類の塩
− 4,4−ビス(2,6−ジ−tert−ブチルフェノール)または2,6−ジ−tert−ブチル−p−クレゾールなどの固定液を安定化させるための酸化防止剤
のうちの少なくとも1種類を含み、これらの成分はすべて適切な溶媒に溶解されている、[1]、[2]、[3]、[4]、[5]および[6]のいずれかに記載の固定液。
[8]以下の成分:
− 0.05%〜5%の2,2−ジブロモ−2−シアノアセトアミドまたは2,2−ジブロモ−3−ニトリロプロピオンアミドあるいは略してDBNPA、クエン酸、1%〜30%のプロピレングリコール、0.01%〜5%のTween80、0.001〜0.1%の芳香油、0.001%〜0.1%の食用色素、0.05%〜0.1%の酸化防止剤4.4−ビス(2,6−ジ−tert−ブチルフェノール)、0.01〜10%の塩化ナトリウム
を含む水溶液からなる、[1]ないし[7]のいずれかに記載の固定液。
[9]以下の成分:
− 1%の2,2−ジブロモ−2−シアノアセトアミドまたは2,2−ジブロモ−3−ニトリロプロピオンアミド、0.5%のクエン酸、12%のプロピレングリコール、0.1%のTween80、0.05%の芳香油、0.05%の酸化防止剤4.4−ビス(2,6−ジ−tert−ブチルフェノール)、0.01%の食用色素、0.1%の塩化ナトリウム
を含む水溶液からなる、[1]ないし[8]のいずれかに記載の固定液。
[10]諸成分が、溶媒なしで粉末、タブレット、カプセル、ゲルもしくはワニスの形態で、またはわずかな溶媒を伴って濃縮物の形態で存在し、必要量の溶媒の添加によりすぐに使える状態の溶液が得られるものである、[1]ないし[9]のいずれかに記載の濃縮型固定液。
[11]固定をより良好に調節するための他の固定剤または固定用物質と合わせたものであり得る、[1]ないし[10]のいずれかに記載の固定液。
− 有効な基準(この場合、欧州共同体の基準)に従うものであり、ユーザーおよび環境に対して危険でないか、または危険性はわずかにすぎない(いずれの場合も、従来の固定液よりも危険性が低い)
− 他の形態の危険(可燃性、爆発性、腐食性、環境中への蓄積または高い揮発性)を提示しない
− 穏やかな様式で試料および試料タンパク質と反応し、試料の形態構造の変形(「収縮」)を引き起こさず、従来の液よりも多くの生物学的および生化学的パラメータが損傷を受けずに維持される
− 固定後に試料が受けるべきプロセスに有意な支障(例えば、不要な反応、染色の妨げなど)がない
固定液を提供することからなるものである。
− ハロゲンシアノ−アセトアミド
− 2,2−ジブロモ−2−シアノアセトアミドまたは2,2−ジブロモ−3−ニトリロプロピオンアミドあるいは略してDBNPA
を選択した。
ハロゲンシアノ−アセトアミドおよびDBNPAは強力な殺生物性を有し、試料中の生物学的および微生物学的活性を完全に遮断する
という理由で選択した。
文献から、ハロゲンシアノアセトアミド、特にDBPNAは、溶液中の場合、アルカリ加水分解を受けることが知られている。この溶液で長期間の操作を保証するため、早期劣化を回避するために該溶液に少量の特定の酸化防止剤を添加するのがよい。かくして処理された溶液は、約2年間、その活性が維持される。処分されるときの該溶液の崩壊性は影響を受けず、そのエコロジー的特徴は維持される。
DBPNA 2%
プロピレングリコール 5%
TWEEN80 1%
食品着色料 0.01%
香料混合物 0.01%
酸化防止剤 0.05%
100%になるまで水
DBPNA 100g
ソルビトール粉末 41g
TWEEN80 2.5g
クエン酸 2.0g
食品着色料 1.0g
香料混合物 l.0g
酸化防止剤 2.5g
アラビアガム 50g
全質量 200g
Claims (9)
- 2,2−ジブロモ−3−ニトリロプロピオンアミドを含む組成物を固定液として使用した、試料の形態構造を保存するための生物学的試料の固定方法。
- 上記組成物が、水もしくは有機溶媒またはその混合物から選択される溶媒を含む、請求項1に記載の生物学的試料の固定方法。
- pH調整剤をさらに含む上記組成物を使用した、請求項1または2に記載の生物学的試料の固定方法。
- 群:酢酸、クエン酸およびその対応するバッファー系から選択されるpH調整剤をさらに含む、上記組成物を使用した、請求項3に記載の生物学的試料の固定方法。
- − 湿潤剤
− 界面活性剤
− アルカリ金属またはアルカリ土類の塩、および
− 酸化防止剤
− 天然または人工の香気物質
− 天然または人工の色素
をさらに含む、上記組成物を使用した、請求項1ないし請求項3のいずれか1項に記載の生物学的試料の固定方法。 - 湿潤剤が以下の湿潤剤の群:
− エチレングリコール
− プロピレングリコール
− グリセリン
− エリトリトール
− ソルビトールおよびその混合物
から選択される、上記組成物を使用した、請求項5に記載の生物学的試料の固定方法。 - 界面活性剤が以下の群:
− 非イオン性界面活性剤:TWEEN80
− イオン性界面活性剤:ドデシル硫酸ナトリウムおよびその混合物
から選択される、上記組成物を使用した、請求項5に記載の生物学的試料の固定方法。 - 酸化防止剤が以下の群:
− 4,4−ビス(2,6−ジ−tert−ブチルフェノール)
− 4,4−ビス(2,6−ジ−tert−ブチル−p−クレゾール)およびその混合物から選択される、上記組成物を使用した、請求項5に記載の生物学的試料の固定方法。 - 上記組成物の成分が、わずかな溶媒を伴って濃縮物の形態で存在し、必要量の溶媒の添加によりすぐに使える状態の溶液が得られるものである、濃縮型の上記組成物を使用した請求項1ないし請求項5のいずれか1項に記載の生物学的試料の固定方法。
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JP (1) | JP6177764B2 (ja) |
CN (1) | CN103688152B (ja) |
BR (1) | BR112013028298B1 (ja) |
CA (1) | CA2834817C (ja) |
ES (1) | ES2537173T3 (ja) |
MX (1) | MX361688B (ja) |
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WO (1) | WO2012150479A1 (ja) |
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PT2705345E (pt) | 2011-05-02 | 2015-06-17 | Lapenna José Carlos | Utilização de halogeno-cianoacetamidas para fixação e preservação de amostras biológicas |
CN105486554A (zh) * | 2015-11-19 | 2016-04-13 | 新疆农业大学 | 一种蜱虫样品扫描电镜固定配方及方法 |
CN107367417B (zh) * | 2017-07-14 | 2021-06-22 | 上海市松江区中心医院 | 一种超声引导下穿刺细胞快速固定剂组合物及其制备方法 |
CN108931408B (zh) * | 2018-06-15 | 2021-08-27 | 山东聚众数字医学科技开发有限公司 | 一种解剖教学标本用保色固定液及其制备方法 |
CN109042622A (zh) * | 2018-09-28 | 2018-12-21 | 河南科技大学 | 一种保色固定剂及其制备方法与在标本制备中的应用 |
CN109090096A (zh) * | 2018-09-28 | 2018-12-28 | 河南科技大学 | 一种鱼内脏塑化标本的制作方法 |
CN109166439B (zh) * | 2018-10-30 | 2020-11-13 | 河南科技大学 | 一种羊的胃剖面硅胶模型的制作方法 |
CN109511653A (zh) * | 2018-11-28 | 2019-03-26 | 陈大为 | 植物提取防dna和rna降解并保持细胞原有形态的保存液 |
CN110455601A (zh) * | 2019-06-28 | 2019-11-15 | 魏兴江 | 一种含有异噻唑啉酮的组合物的用途 |
CN110283726A (zh) * | 2019-07-03 | 2019-09-27 | 孝感宏翔生物医械技术有限公司 | 一种液基细胞和微生物处理保存试剂及其制备方法 |
CN111397997A (zh) * | 2020-04-26 | 2020-07-10 | 中烨(山东)检验检测有限公司 | 一种用于新鲜组织样本固定的组织固定液 |
EP4145105A1 (de) | 2021-09-06 | 2023-03-08 | Anacyte Laboratories GmbH | Lösung für die asservierung von zellen |
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DE3822183A1 (de) | 1988-06-28 | 1990-02-08 | Schubert Werner | Substanzgruppe fuer fixierungszwecke |
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EP2705345B1 (en) | 2015-02-18 |
CN103688152B (zh) | 2017-10-20 |
CA2834817A1 (en) | 2012-11-08 |
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EP2705345A1 (en) | 2014-03-12 |
MX2013012647A (es) | 2015-11-16 |
CA2834817C (en) | 2019-01-15 |
PT2705345E (pt) | 2015-06-17 |
WO2012150479A1 (en) | 2012-11-08 |
JP2014517273A (ja) | 2014-07-17 |
BR112013028298B1 (pt) | 2020-11-17 |
CN103688152A (zh) | 2014-03-26 |
MX361688B (es) | 2018-12-13 |
US9677978B2 (en) | 2017-06-13 |
US20140162246A1 (en) | 2014-06-12 |
BR112013028298A2 (pt) | 2018-10-09 |
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