JP7423084B2 - 細胞培養マイクロチャンバーを含む小型mr装置及びこのような装置を製造する方法 - Google Patents
細胞培養マイクロチャンバーを含む小型mr装置及びこのような装置を製造する方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
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- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
- G01R33/302—Miniaturized sample handling arrangements for sampling small quantities, e.g. flow-through microfluidic NMR chips
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/10—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using electron paramagnetic resonance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/323—Detection of MR without the use of RF or microwaves, e.g. force-detected MR, thermally detected MR, MR detection via electrical conductivity, optically detected MR
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Description
a)小型磁気共鳴システムを設けるステップと、
b)ホスティング微細構造を設けるステップと、
c)上記小型磁気共鳴システムを上記ホスティング微細構造と接触させ、上記ホスティング微細構造が、細胞培養マイクロチャンバーの容積部を規定する、ステップと、
d)薄いパッシベーション膜又は層を取得することができる条件下で、蒸着プロセスを介して、上記小型磁気共鳴システムを上記ホスティング微細構造に結合することにより、上記薄いパッシベーション膜又は層から作製される床部を有する細胞培養マイクロチャンバーを作成する、ステップと、
を予見する。
a)感知領域及び/又は励起領域が設けられた少なくとも1つの感知素子と、
b)励起信号を少なくとも1つの感知素子へ送信し、この少なくとも1つの感知素子から入力信号を受信するように構成される能動素子と、
を含み、細胞培養マイクロチャンバーは、感知領域及び/又は励起領域内に位置する。
マイクロチップ電子機器に接続されるか、超小型センサーと統合されたマイクロ電子機器に接続されるか、のいずれかである。補助コイルは更に「外部」又は「内部」コイルとして分類することができる。
1. Massin, C.他「High-Q factor RF planar microcoils for micro-scale NMR spectroscopy」. Sensors and Actuators a-Physical, 2002. 97-8: p. 280.
2. Olson, D.L.他「High-Resolution Microcoil H-1-Nmr for Mass-Limited, Nanoliter-Volume Samples」. Science, 1995. 270(5244): p. 1967.
3. Spengler, N.他「Micro-fabricated Helmholtz coil featuring disposable microfluidic sample inserts for applications in nuclear magnetic resonance」. Journal of Micromechanics and Microengineering, 2014. 24(3).
4. Grisi, M., G. Gualco及びG. Boero「A broadband single-chip transceiver for multi-nuclear NMR probes」. Review of Scientific Instruments, 2015. 86(4).
5. Ha, D.他「Scalable NMR spectroscopy with semiconductor chips」. Proceedings of the National Academy of Sciences, 2014.
6. Kim, J., B. Hammer,及び R. Harjani「A 5-300MHz CMOS Transceiver for Multi-Nuclear NMR Spectroscopy」. 2012 Ieee Custom Integrated Circuits Conference (Cicc), 2012.
7. Sun, N.他「CMOS RF Biosensor Utilizing Nuclear Magnetic Resonance」. Ieee Journal of Solid-State Circuits, 2009. 44(5): p. 1629.
Claims (12)
- 小型化された磁気共鳴システム(101)を含む装置(100)であって、
磁気共鳴システム(101)は、
a)感知領域及び/又は励起領域が設けられた少なくとも1つの感知素子(300)と、
b)励起信号を前記少なくとも1つの感知素子(300)へ送信し、及び/又は前記少なくとも1つの感知素子(300)から入力信号を受信するように構成される、電子機器を含む能動素子(200)と、
筐体容積を規定し、液体を保持する筐体(700)と、
0.1nL~1μLを含む容積を有する細胞培養チャンバー(502)を備えるホスティング微細構造(500)を含み、
前記細胞培養チャンバー(502)は、前記筐体(700)内に備えられ、前記筐体(700)内の前記液体と接触し、
前記装置は、前記システム(101)及び前記チャンバー(502)の少なくとも一部分を覆い、電気構成部品と液体媒体との間の物理的、化学的及び/又は電気的接続を防止する絶縁シールド材料として機能する、パッシベーション結合層(800)を含み、
前記感知素子(300)及び前記能動素子(200)が、同一基板(400)上に、平面内に隣接して、又は垂直に積み重ねられて一体的に配置され、前記チャンバー(502)が、前記感知素子(300)の上に配置される、
ことを特徴とする装置。 - 前記感知素子(300)によって規定される感知領域及び/又は励起領域を含み、前記チャンバー(502)は、前記領域内に位置する、請求項1に記載の装置。
- 前記感知領域が、1μL未満である、請求項2記載の装置。
- 前記パッシベーション結合層(800)が、1nm~100μmの間の厚さを有する、請求項1~3のいずれか一項に記載の装置。
- 前記感知素子(300)が、0.1~0.5mmの内径を有するマイクロコイルからなる、請求項1~4のいずれか一項に記載の装置。
- 前記チャンバー(502)が、前記パッシベーション結合層(800)からなる床部を有する、請求項1~5のいずれか一項に記載の装置。
- 前記層(800)は、レジスト(複数の場合もある)、フォトレジスト、パリレンC、SiO2、SixNy、セラミックス、及びポリマー由来セラミックスからなる群から選択される蒸着された薄膜材料を含む、請求項1~6のいずれか一項に記載の装置。
- 前記培養チャンバー(502)内に生物学的サンプル(600)を閉じ込めるように構成された、ホスティング微細構造(500)の上に位置する上蓋(501)をさらに含む、請求項1~7のいずれか一項に記載の装置。
- 静磁場を生成することができる永久磁石又は電磁石(5000)を更に含む、請求項1~8のいずれか一項に記載の装置。
- 請求項1~9のいずれか一項に記載の装置(100)を製造する方法であって、
a)
a1)感知領域及び/又は励起領域を構成する少なくとも1つの感知素子(300)と
b1)励起信号を前記少なくとも1つの感知素子(300)へ送信し、及び/又は前記少なくとも1つの感知素子(300)から入力信号を受信するように構成される、電子機器を含む能動素子(200)と、を備える、
小型磁気共鳴システム(101)を設けるステップと、
b)0.1nL~1μLを含む容積を有する細胞培養チャンバー(502)を規定するホスティング微細構造(500)を設けるステップと、
c)前記小型磁気共鳴システム(101)を前記微細構造(500)と接触させるステップと、
d)電気構成部品と液体媒体との間の物理的、化学的及び/又は電気的接続を防止する絶縁シールド材料として機能する、前記システム(101)及び前記チャンバー(502)の少なくとも一部分を覆う前記パッシベーション結合層(800)を取得することができる条件下で、蒸着プロセスを介して、前記システム(101)を前記微細構造(500)に結合することにより、前記層(800)から作製される床部を有する細胞培養チャンバー(502)を作成するステップと、
前記システム(101)を、筐体容積を規定する筐体(700)と接触させるステップを含み、
前記感知素子(300)及び前記能動素子(200)が、同一基板(400)上に、平面内に隣接して、又は垂直に積み重ねられて一体的に配置され、前記チャンバー(502)が、前記感知素子(300)の上に配置される、
ことを特徴とする方法。 - 前記蒸着プロセスが、化学蒸着及び物理蒸着から選択される、請求項10に記載の方法。
- 前記パッシベーション結合層(800)が、1nm~100μmの間の厚さを有する、請求項10又は11に記載の方法。
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