Custom Sensors & Technology Light-Induced Fluorescence (LIF) Sensor / Pharmaceutical PAT Sensor
Custom Sensors & Technology is the only company that supplies a GMP (GxP) compliant light-induced fluorescence (LIF) sensor to address a wide range of fluorescent process analytical problems – in particular tumble blending – within the pharmaceutical industry, in order to aid in delivering QbD or lean manufacturing via PAT. Current commercial ‘field’ LIF instruments are grossly insufficient to address such problems.
LIF sensors
The LIF sensor is a small, lightweight, self-contained form factor that offers integration across various GMP and non-GMP manufacturing unit operations. The LIF sensor addresses a wide range of real-time intrinsic fluorescent monitoring problems. The following novelties were envisioned:
- Dynamic control to provide tailored analytical versatility via UV-Vis LED array technologies
- Integrated excitation referencing on each diode
- Small, lightweight and self-contained form factor ‘sensor’ device
- Versatile on-board hot-swappable communication options and powering options, both AC and battery
- Optical configurations suitable for solid-state detection (e.g. powders) with alternative schemes for liquids and gases
- Various smart sensing and diagnostics features for real-time detection assurance
- Open communication standard for efficient automation controls integration via OPC
- Solid-state device for optimal robustness
- An onboard accelerometer for mobile applications such as pharmaceutical final drug product tumble blending; these comprehensive sensor novelties afford reliable monitoring for robust process control that is unrivaled by existing real-time LIF instruments
Benefits of LIF sensors
Customers are benefitting from using this technology in several ways. The technology has enabled real-time monitoring of fluorophore solutes via intrinsic fluorescent sensing in the solid state that has not been previously possible. This has afforded customers a pivotal ability to significantly increase manufacturing science process understanding now required by many regulatory bodies worldwide.
Historically, off-line techniques have been used to develop rudimentary manufacturing process understanding. This increase in knowledge will ultimately lead to improved product quality by reducing process upsets, lower annual product waste, improved root-cause analysis during manufacturing quality incidents often common within the pharmaceutical industry, improved process efficiency by reducing manufacturing processing time, and improved operator safety via an in-line approach as opposed to the classic, ergonomically challenging grab sampling and off-line analytical method approach.
Pharmaceutical blender installation with LIF sensors
The LIF sensor easily adapts to different types of pharmaceutical blenders (V-blender, bin blender, etc.) and the integral accelerometer technology can determine the X-Y axis rotation of a bin blender or the Y-Z axis rotation of a V-blender.
Each LIF sensor comes with a validation checkout package including the material traceability and finish certificate, a certificate of conformance and a test report. A certificate of conformance verifies that the sensor meets all specifications and testing requirements. A test report is furnished outlining all validation testing, including application-specific standards, if desired.
Applications for LIF sensors
LIF sensors can measure liquid, solid or gas phase intrinsic or native fluorophoric analytes. LIF sensors can be configured for in situ, at-line, on-line for process control or portable field monitoring applications. They can be applied to several real-time analytical problems, including security / surveillance, powder blending, cleaning validation, oil in water and organics in water.
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Custom Sensors & Technology has released a new, free-to-download white paper outlining its capabilities in front surface fluorescence sensing, photometric transmitters, fiber optic probes and flow cells, oxygen transmitters, and sample handling systems. Click Read more
Custom Sensors & Technology has recently applied the LED light-induced fluorescence sensor, the LIF sensor, to cleaning validation. After extensive application studies and the evaluation of market interest, Custom Sensors & Technology applied the LIF sensor to cleaning validation applicat
Read moreCustom Sensors & Technology has recently developed a revolutionary service-based approach to reduce customer risk associated with purchasing process monitoring equipment. The service-based approach places increased risk on the equipment supplier, from insuring the proper selection of instrume
Read moreCustom Sensors & Technology will be presenting its LIF sensor as a PAT tool used for bin blend uniformity, API concentration, and cleaning validation during the technical training workshop 'Challenges in Tablet Manufacturing and QA/QC' to be held at Natoli on 10-12 August 2010. Th
Read moreCustom Sensors & Technology has recently developed a novel LED light-induced fluorescence sensor, the LIF sensor, in collaboration with GlaxoSmithKline for blend uniformity and end-point detection during the blending of powders. After further application studies were performed and market inte
Read moreCustom Sensors & Technology has recently developed a novel LED light-induced fluorescence sensor, the LIF sensor, in collaboration with GlaxoSmithKline for blend uniformity and end-point detection during the blending of powders. Features of the LIF sensor include dynamic control to
Read moreCustom Sensors & Technology recently applied its UV fluorescence photometer and front surface fluorescence probe to a biofilm growth monitoring application with great success. Application studies were conducted in the Custom Sensors & Technology research and development lab. "W
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