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Apparatus and method for high-throughput preparation and spectroscopic classification and characterization of compositions

a composition and high-throughput technology, applied in the direction of optical radiation measurement, sequential/parallele process reactions, special data processing applications, etc., can solve the problems of large number of pre-selected samples that require continuing analysis, more difficult to develop into products, and need to inspect or otherwise analyze hundreds or thousands of samples

Inactive Publication Date: 2004-12-16
TRANSFORM PHARMACEUTICALS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

0079] As used herein and unless otherwise indicated, the term "pharmaceutical" refers to a substance, compound, or composition that has a therapeutic, disease or condition preventive, disease or condition management, diagnostic, or prophylactic effect when administered to an animal or human, and includes prescription and over-the-counter pharmace

Problems solved by technology

At the same time, these technologies have led to the development of more compounds that are larger, greasier and more hydrophobic, and thus more challenging to develop into products.
Conducting large numbers of experiments results in the need to inspect or otherwise analyze hundreds or thousands of samples, e.g., for the presence of the desired result.
And, a large number of the pre-selected samples require continuing analysis.
All these techniques are not easily adaptable for high-throughput analysis of structural information and order.
Indeed, high-throughput analysis still remains a challenge due to the high degree of automation desired in both physical sample handling and in analysis of the collected data.

Method used

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  • Apparatus and method for high-throughput preparation and spectroscopic classification and characterization of compositions
  • Apparatus and method for high-throughput preparation and spectroscopic classification and characterization of compositions
  • Apparatus and method for high-throughput preparation and spectroscopic classification and characterization of compositions

Examples

Experimental program
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Effect test

example 1

5.1. Example 1

Raman Data Acquisition System

[0195] An automated robotic mechanism has been constructed and integrated with a microscope to facilitate selecting the sample containers (e.g., tubes) from the blocks and positioning the containers under the microscope objective for spectral acquisition. The spectral data collection system comprises a dispersive Raman microscope (Almega dispersive Raman by Thermo Nicolet, 5225 Verona Road, Madison, Wis. 53711, USA), which is a research grade dispersive Raman instrument, combining a confocal Raman microscope and a versatile macro sampling Raman spectrometer. The highly automatable and versatile system offers multiple laser options under software automation, for optimized sensitivity, spatial resolution, and confocal operation. The Almega dispersive Raman spectrometer is capable of housing up to two lasers. Selection of the lasers and control of laser power is accomplished through software. In addition, the appropriate Rayleigh rejection fil...

example 2

5.2. Example 2

Data Collection and Binning

[0203] The effectiveness of binning was demonstrated using two test sets that included the Raman spectra of a polymorphic material and a material with two hydration states. First, the authenticity of the samples was validated. Next, Raman spectra for each sample under varying acquisition conditions were collected. The spectra were then filtered and binned using the previously described algorithms and method. Finally, the results were cross-checked by comparison of the known sample identification to the bin / cluster assignment. Each of these steps is outlined below.

[0204] Authentic polymorphic forms (polymorphs) and anhydrate / hydrate forms for a given material each exhibit a unique x-ray powder diffraction pattern and melting transition. Such criteria were deemed sufficient evidence to verify authenticity of each sample. Representatives of each of the forms of sample sets 1 and 2 were therefore characterized using x-ray diffraction (XRD) and di...

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PUM

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Abstract

Systems and methods are described that allow the high-throughput preparation, processing, and study of arrays of samples, each of which comprises at least one compound. Particular embodiments of the invention allow a large number of experiments to be performed in parallel on samples that comprised of one or more compounds on the milligram or microgram quantities of compounds. Other embodiments of the invention encompass methods and devices for the rapid screening of the results of such experiments, as well as methods and devices for rapidly determining whether or not similarities exist among groups of samples in an array. Particular embodiments of the invention encompass methods and devices for the high-throughput preparation of different forms of compounds (e.g., different crystalline forms), for the discovery of new forms of old compounds, and for the discovery of new methods of producing such forms. Embodiments of the invention also allow for the high-throughput determination of how specific compounds or forms of compounds behave when exposed to other chemicals or environmental conditions.

Description

[0001] This application claims priority to U.S. provisional application Nos. 60 / 318,152, 60 / 318,157, and 60 / 318,138, each of which was filed on Sep. 7, 2001, and each of which is incorporated herein in its entirety.1. FIELD OF THE INVENTION[0002] This invention generally relates to devices, systems, and methods for conducting and evaluating multiple small-scale experiments. Particular embodiments of the invention encompass methods and devices for the high-throughput preparation and study of a variety of compounds, compositions, and forms of compounds and compositions.2. BACKGROUND OF THE INVENTION[0003] In recent years, chemical discovery has seen an explosion of new science, such as genomics, proteomic and bioinformatics, as well as high-throughput technologies for identifying and / or creating new compounds or chemical entities, such as combinational chemistry. Such technologies allow the researcher to rapidly synthesize and / or identify large numbers of compounds. At the same time, ...

Claims

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Application Information

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IPC IPC(8): B01J19/00B01L3/14B01L7/00C12M1/34C12Q1/68C30B7/00C40B60/14C40B70/00G01J3/28G01J3/44G01N21/25G01N21/35G01N21/65G01N33/48G01N33/50G01N35/00G01N35/02G01N35/04G06F19/00
CPCB01J19/0046B01J2219/00274B01J2219/00283B01J2219/0031B01J2219/00335B01J2219/00344B01J2219/00495B01J2219/00547B01J2219/00587B01J2219/00659B01J2219/00689B01J2219/00691B01J2219/00756B01L3/5082B01L7/52B01L2300/0829B01L2300/0851B01L2300/1805C30B7/00C40B60/14C40B70/00G01J3/28G01N21/253G01N21/35G01N21/65G01N35/0099G01N35/028G01N2021/651G01N2035/041G01N2035/042G01N2035/0425C30B29/58G01N21/3563
Inventor LEMMO, ANTHONY V.GONZALEZ-ZUGASTI, JAVIER P.CIMA, MICHAEL J.LEVINSON, DOUGLASJOHNSON, ALASDAIR Y.ALMARSSON, ORNMCNULTY, CHRISTOPHER
Owner TRANSFORM PHARMACEUTICALS INC
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