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The Phoenix RDS (Robotic Diffusion Station) platform provides fully automated sampling and collection for either six or twelve vertical diffusion cells in a compact footprint, using the same heating and stirring blocks as are found in the DB-6. A third block holds a wash station and up to five additional media sources. Samples are collected into 12×32 vials with pre-slit septa. Controlled by Teledyne LABS Diffusion Master™ software, up to two RDS systems (24 vertical diffusion cells at once) can be operated independently from a single computer workstation.​​

Syringe
Wash Station
Media Replace
Source Block
Block 1
Collection Tray
Block 2
Diffusion Cells
Robotic Arm
Sampling Probe
XYZ Drive

Rapid Sampling and Collection

Automated sampling using an angled probe simulates manual methods. The sample is withdrawn, collected, and then media is replaced. Volumetric accuracy meets or exceeds ± 1% or 25 μL. Staggered sampling with pre-programmed offset times makes test preparation easier. Rapid sampling requires just two minutes per cell. Carryover prevention is excellent. Typically as little as 200 μL is needed for rinsing, and custom wash protocols allow the analyst to clean the probe with one or more solvents at once or with air.

close up on robotic sampling

Programming Versatility

The RDS is designed to provide a broad range of programming capabilities to the analyst, including rapid setup of diffusion test parameters; configurable instructions to operators; sampling, wash, and rinse configurable on a cell-per-cell basis; speed and temperature changes during run; ability to add media to offset evaporation; ability to run different cell groups with different settings. The RDS platform supports Shimadzu, Waters, Agilent, and Thermo-Fisher trays, with a maximum drawer capacity of 108 vials (when using two trays).

scientist typing on computer keyboard

Diffusion Master and 21 CFR Part 11 Compliance

Teledyne LABS Diffusion Master software provides speed, security, and scalability in an easyto- use interface. Features include an unlimited number of users and groups; configurable permissions; password options; inactivity timeout; complete audit trail; serial number tracking; signatures for digitized and archived test reports; logs for events, errors, and test reports; searching and filtering on any number of database parameters; on-screen test progress and sample time alerts; system status and test reports output to network printer.

Two RDS systemsoperating from a single computer workstation
Two RDS systems operating from a single computer workstation

Phoenix RDS Supply kit​

Each Phoenix RDS system comes with start-up supplies including 14 evaporation caps, 14 stoppers, and one each of disposable syringe (20 mL), tweezers, dosage mixer, stainless steel lab spatula, bubble inspection mirror, and plastic o-ring tool

​Phoenix Diffusion Cells​​​​​​

The Phoenix™ Diffusion Cell​ provides improved ease of use, high durability, and greater versatility as compared to conventional hand-blown vertical diffusion cells. Phoenix cells operate on dry heat; no water-jacketing is required, allowing construction from heavy-duty borosilicate glass held to very tight dimensional tolerances. The extract-and-replace sampling through the large diameter opening in the sampling arm accommodates standard pipette tips (~300 μL), simplifying the sampling process while reducing training and operating costs.​

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phoenix diffusion cell​