METHOD AND SYSTEM FOR RAPID PHASE LUMINESCENSE SPECTROSCOPY ANALYSIS

• US 20100148091A1
• Filed: 09/12/2007
• Published: 06/17/2010
• Est. Priority Date: 09/29/2006
• Status: Abandoned Application

• Current Assignee: Glaxo Group Limited (GSK plc)
• Original Assignee: Glaxo Group Limited (GSK plc)
• Inventors: Walker, Dwight Sherod
• Application Number:
  US12/442,972
• Publication Number:
  US 20100148091A1
• Time in Patent Office: Days
• US Class Current: 250/459.100
• CPC Class Codes: G01N 21/6408 with measurement of decay time, time resolved fluorescence
• CPC Class Codes: G01N 21/85 Investigating moving fluids or granular solids
• CPC Class Codes: G01N 2201/0221 Portable; cableless; compact; hand-held
• CPC Class Codes: G01N 2201/062 LED's
• CPC Class Codes: G01N 2201/0625 Modulated LED
• CPC Class Codes: G01N 2201/0696 Pulsed
• CPC Class Codes: G01N 2201/129 Using chemometrical methods

Abstract

A system for use in analyzing a pharmaceutical composition having multiple constituents comprising a luminescence sensor, the sensor being adapted to direct a plurality of radiation pulses to the pharmaceutical composition and detect luminescence emitted from each composition constituent as a function of time, the sensor being further adapted to provide at least one luminescence signal corresponding to the detected luminescence of each constituent, and control means in communication with the sensor for controlling the sensor and analyzing the luminescence signal.

Claims

1. A system for analyzing a pharmaceutical composition having at least one constituent, comprising:

a luminescence sensor having an integral low current light source, said sensor being adapted to direct a plurality of radiation pulses to the pharmaceutical composition and detect luminescence emitted from the constituent, said sensor being further adapted to provide at least one luminescence signal representing said detected luminescence; and

control means in communication with said sensor for controlling said sensor and analyzing said luminescence signal.

2. The system of claim 1, wherein said sensor is operable with a power input in the range of approximately 5-25 volts.

3. The system of claim 1, wherein said light source comprises a plurality of light emitting diodes.

4. The system of claim 3, wherein said light source comprises four light emitting diodes.

5. The system of claim 3, wherein each of said light emitting diodes comprises a blue light emitting diode.

6. The system of claim 3, wherein each of said light emitting diodes is adapted to transmit light having a wavelength in the range of approximately 300-650 nm.

7. The system of claim 3, wherein each of said light emitting diodes has a power output in the range of approximately 2-5 milliwatts.

8. The system of claim 1, wherein said sensor includes a pulse generating circuit adapted to provide a pulsed cycle power input to said light source in the range of approximately 1-1000 Hz.

9. The system of claim 8, wherein said pulse generating circuit provides a pulsed cycle power input to said light source in the range of approximately 4-100 Hz.

10. The system of claim 2, wherein said control means includes a control module adapted to control the activation of and said power input to said sensor, and an analyzer adapted to analyze said luminescence signal.

11. The system of claim 10, wherein said control means further includes storage means for storing said luminescence signal and at least one luminescence value representing at least one luminescence characteristic of a predetermined constituent.

12. A system for processing a pharmaceutical composition having at least one constituent, comprising:

a processing apparatus configured to process the pharmaceutical composition; and

a luminescence detection system operatively associated with said processing apparatus, said detection system including at least one luminescence sensor having an integral low current light source, said sensor being adapted to direct a plurality of radiation pulses to the pharmaceutical composition and detect luminescence emitted from the constituent, said sensor being further adapted to provide at least one luminescence signal representing said detected luminescence, and control means in communication with said sensor for controlling said sensor and analyzing said luminescence signal.

13. The system of claim 12, wherein said processing apparatus comprises a mixing apparatus.

14. The system of claim 12, wherein said processing apparatus comprises a fill apparatus.

15. The system of claim 12, wherein said processing apparatus comprises an apparatus adapted to transport the pharmaceutical composition during processing.

16. The system of claim 12, wherein said detection system includes a plurality of said sensors.

17. The system of claim 12, wherein said detection system is adapted to non-invasively analyze the pharmaceutical composition in real-time during processing of the pharmaceutical composition.

18. The system of claim 12, wherein said detection system is adapted to determine the identity of the pharmaceutical composition constituent.

19. The system of claim 12, wherein said detection system is adapted to determine the concentration of the pharmaceutical composition constituent.

20. The system of claim 12, wherein said detection system is adapted to determine the density of the pharmaceutical composition.

21. The system of claim 12, wherein the pharmaceutical composition includes at least one active constituent selected from the group consisting of salbutamol, salmeterol, budesonide, a beclomethasone ester and fluticasone ester.

22. A method of in-situ analysis of a pharmaceutical composition during processing, the pharmaceutical composition having at least one constituent that emits luminescence in response to applied radiation, the method comprising the steps of:

providing a processing apparatus configured to process the pharmaceutical composition;

providing a luminescence detection system operatively associated with said processing apparatus, said detection system including at least one luminescence sensor having an integral low current light source, said sensor being adapted and positioned to direct a plurality of radiation pulses to the pharmaceutical composition and detect the luminescence emitted from the constituent, said sensor being further adapted to provide at least one luminescence signal representing said detected luminescence, and control means in communication with said sensor for controlling said sensor;

illuminating the pharmaceutical composition with at least a respective one of said plurality of radiation pulses;

detecting said luminescence emitted from the pharmaceutical composition constituent; and

determining at least one characteristic of the pharmaceutical composition from said detected luminescence.