CA2367698A1 - Individually addressable micro-electromagnetic unit array chips - Google Patents

Individually addressable micro-electromagnetic unit array chips Download PDF

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Publication number
CA2367698A1
CA2367698A1 CA002367698A CA2367698A CA2367698A1 CA 2367698 A1 CA2367698 A1 CA 2367698A1 CA 002367698 A CA002367698 A CA 002367698A CA 2367698 A CA2367698 A CA 2367698A CA 2367698 A1 CA2367698 A1 CA 2367698A1
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CA
Canada
Prior art keywords
electromagnetic
chips
biomolecules
micro
individually addressable
Prior art date
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Granted
Application number
CA002367698A
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French (fr)
Other versions
CA2367698C (en
Inventor
Xiaoshan Zhu
Yuxiang Zhou
Litian Liu
Ken Chen
Depu Chen
Jia Wang
Zewen Liu
Zhimin Tan
Junquan Xu
Xuezhong He
Wenzhang Xie
Zhiming Li
Xiumei Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aviva Biosciences Corp
Original Assignee
Aviva Biosciences Corporation
Xiaoshan Zhu
Yuxiang Zhou
Litian Liu
Ken Chen
Depu Chen
Jia Wang
Zewen Liu
Zhimin Tan
Junquan Xu
Xuezhong He
Wenzhang Xie
Zhiming Li
Xiumei Liu
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Publication date
Application filed by Aviva Biosciences Corporation, Xiaoshan Zhu, Yuxiang Zhou, Litian Liu, Ken Chen, Depu Chen, Jia Wang, Zewen Liu, Zhimin Tan, Junquan Xu, Xuezhong He, Wenzhang Xie, Zhiming Li, Xiumei Liu filed Critical Aviva Biosciences Corporation
Publication of CA2367698A1 publication Critical patent/CA2367698A1/en
Application granted granted Critical
Publication of CA2367698C publication Critical patent/CA2367698C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502761—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10S436/00—Chemistry: analytical and immunological testing
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Abstract

This invention provides electromagnetic chips and electromagnetic biochips having arrays of individually address-able micro-electromagnetic units, as well as methods of utilizing these chips for directed manipulation of micro-particles and mi-cro-structures such as biomolecules and chemical reagents. An electromagnetic biochip comprises an individually addressable mi-cro-electromagnetic unit chip with ligand molecules immobilized on its surface. By controlling the electromagnetic field at each unit of the array and combining this control with magnetic modification of biomolecules, these chips can be used for directed manipu-lation, synthesis and release of biomolecules in order to increase sensitivity of biochemical or chemical analysis and reduce assay time. Other advantages with these chips include minimized damages to biological molecules and increased reproducibility of assay results.
CA002367698A 1999-03-15 1999-09-17 Individually addressable micro-electromagnetic unit array chips Expired - Fee Related CA2367698C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN99104113.5 1999-03-15
CN99104113 1999-03-15
CN99120320.8 1999-09-16
CN99120320.8A CN1185492C (en) 1999-03-15 1999-09-16 Single-point strobed micro electromagnetic units array chip or electromagnetic biologic chip and application thereof
PCT/US1999/021417 WO2000054882A1 (en) 1999-03-15 1999-09-17 Individually addressable micro-electromagnetic unit array chips

Publications (2)

Publication Number Publication Date
CA2367698A1 true CA2367698A1 (en) 2000-09-21
CA2367698C CA2367698C (en) 2005-06-28

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CA002367698A Expired - Fee Related CA2367698C (en) 1999-03-15 1999-09-17 Individually addressable micro-electromagnetic unit array chips

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US (2) US6355491B1 (en)
EP (1) EP1207959B1 (en)
JP (1) JP2003521674A (en)
CN (1) CN1185492C (en)
AT (1) ATE395137T1 (en)
AU (1) AU6045799A (en)
CA (1) CA2367698C (en)
DE (1) DE69938742D1 (en)
IL (1) IL145459A (en)
WO (1) WO2000054882A1 (en)

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