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Systems and methods for automatically aligning, calibrating and normalizing electrophoretic data

A technology using electrophoresis and standards, applied in chemical instruments and methods, chemical data visualization, separation methods, etc., can solve problems such as time-consuming and difficult electrophoresis data

Active Publication Date: 2021-06-01
AGILENT TECH INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

) However, even today, using electrophoretic data in analyte measurements is often difficult and time-consuming

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  • Systems and methods for automatically aligning, calibrating and normalizing electrophoretic data
  • Systems and methods for automatically aligning, calibrating and normalizing electrophoretic data
  • Systems and methods for automatically aligning, calibrating and normalizing electrophoretic data

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Embodiment Construction

[0107] Reference will now be made to various embodiments. While the invention will be described in conjunction with various embodiments, it will be understood that they are not intended to limit the invention to those embodiments. On the contrary, those skilled in the art can understand that the present invention is intended to cover various alternatives, modifications and equivalent embodiments.

[0108] According to various embodiments, figure 1 A block diagram of an exemplary data collection system is provided and shows a fluorescent polymer ladder 100, an unknown analyte mixture (sample) 101, and standards / controls used as markers or demarcations in the analysis usage of. In various embodiments, such analytes can have a suitable fluorescent dye tag attached to the analyte such that the fluorescent dye can be detected in the electrophoretic device or system. Any of various types of known electrophoretic devices may be used. In various embodiments, an electrophoretic dev...

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Abstract

The present invention provides a system and method for improving the analysis of analytes using an electrophoretic device. Exemplary methods of the invention may provide an increase in the yield of useful results (eg, quantity and quality of available data) in automated peak detection, eg, in combination with electrophoretic separations (eg, capillary electrophoresis). In various embodiments, the system virtualizes raw data, converting migration times into virtual units, thereby enabling visual comparison of analyte electropherograms and reliable measurement of unknown analytes. An analyte can be, for example, any organic or inorganic molecule, including, but not limited to, nucleic acids (DNA, RNA), proteins, peptides, glycans, metabolites, secondary metabolites, lipids, or any combination of the above. Analyte detection can be performed by any method including, but not limited to, fluorescence detection or UV absorption. Furthermore, the present invention provides consistent comparisons of sample-based, instrument-based, run-based, and migration time-based analyte peaks.

Description

technical field [0001] The present invention relates to an automated method for standardizing electrophoretic instruments to generate alignment data useful, for example, in analyte screening, research, qualitative or quantitative measurements, and diagnostic uses. Background technique [0002] For many years, capillary electrophoresis (CE) has been used as an analysis technique, for example, in the fields of life science, bioscience and pharmacy. (See, eg, YANXU, Chemistry Educator, Cleveland State University: Capillary Electrophoresis, New York: Springer Press, February 1996, Vol. 1, No. 1; which article is hereby incorporated by reference in its entirety .) However, even today, using electrophoretic data in analyte measurements is often difficult and time-consuming. In many cases, scientists and engineers must manually adjust raw electrophoretic data prior to peak integration and final detection of an analyte or mixture of analytes. A well-known challenge in this field i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D35/06B01D57/02B01D61/46B01D63/08G01N27/447
CPCB01D57/02G01N27/447G01N27/44726G16C20/10G16C20/80G01N30/8693G01N30/8665G01N30/8682G01N27/4473G01N27/44717G01N27/44791
Inventor 布鲁斯·德西马鲍里斯·贝洛波斯基
Owner AGILENT TECH INC
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