Latest information: Connection to existing Raman spectrometers is possible. Analysis and evaluation of tablets and capsule formulations have become easier.
A newly developed forward scattering (transmission) unit was connected to an existing Raman spectrometer, and using model formulations, the practicality and usefulness of the forward scattering unit were demonstrated. The forward scattering unit (manufactured by Horiba, Kyoto) is connected to the ALL-IN-ONE (Marqmetrix, Seattle, USA) Raman spectrometer via fiber. The measurement conditions included a spectral resolution of 6 cm-1, an excitation laser wavelength of 785 nm, a single accumulation, and an exposure time of 3 seconds. The sample can be simply placed on the standard sample stage, eliminating the need for adjustments in sample position or height. The company also provides holders compatible with different dosage forms, including glass containers and powdered samples, in addition to the tablets and capsules used in this study. In this experiment, the forward scattering unit was connected to the Marqmetrix ALL-IN-ONE for sample measurement; however, it can be connected and utilized with any Raman spectrometer that has fiber connection ports for the excitation laser and Raman scattered light (for example, Raman spectrometers manufactured by Wasatch Photonics).
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basic information
The connection of the forward scattering unit to the fiber connection port of the spectrometer allows for easy measurement of Raman spectra, resulting in high versatility and the expectation of widespread adoption in the market. From the measurement results of the tablets, it has become clear that using forward scattering can reduce the impact of film coating and provide more extensive information about the components.
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Applications/Examples of results
Analysis and evaluation of the content of the main drug in film-coated tablets and capsule formulations, and crystal polymorphism.
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Company information
Our company supports the establishment of measurement methods, analytical techniques, and testing methods (analytical methods) using Raman spectroscopy, centered on vibrational spectroscopy, which can be utilized from research and development fields such as the evaluation of the physical properties of pharmaceutical raw materials and the dispersion state of solid dosage form particles to quality control fields such as acceptance testing. We provide support for the construction of analytical conditions, testing method settings, and validations. Please feel free to contact us if you have any requests.
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