Transdermal | Automated Transdermal Testing

Logan Instruments’ products have been used for nearly two decades by top pharmaceutical companies on five continents. Since it’s founding in 1990 by Dr. Luke Lee, it has grown into a worldwide leader in the design, manufacture and distribution of products for dissolution, diffusion and physical testing of pharmaceutical dosage forms. It’s innovative products range from basic, manual systems to fully automated instrumentation for USP apparatus 1,2,3 an 7 dissolution and Franz Cell diffusion. Logan’s business is built on assuring you quality , innovation and service .

Quality is a team effort. From design to production and distribution, we understand that you demand quality and reliability. All Logan employees are responsible for achieving product quality and they focus on every detail. As a competitor in the global market, Logan is committed to bringing you quality products at the highest level attainable.

Innovation is where creativity meets practicality and Logan’s talents meet your needs. Our product innovations are created to meet specific customer imperatives. From time-saving devices such as the MDS-600 Media Delivery System and the AVC-100 Automated Vessel Cleaner, to large scale automated systems like the fully automated System 7000 USP apparatus 7, Logan systems are designed to make the most efficient use of your laboratory resources. Whether improving the simplest of everyday procedures to designing and implementing entirely new instrumentation, we are always looking for ways to improve your research and manufacturing efforts.

Service is Logan’s ultimate principal. We aim for responsive, efficient and friendly maintenance of your equipment. Our service representatives are involved and experienced in all aspects of the Logan product, including design and production. Talk to us-we’ll listen, and respond to your needs.

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Automated transdermal testing

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Automated Transdermal Sampling System

The Logan System 912-SCT-S is designed to save valuable time bydelivering precise transdermal samples into HPLC vials automatically.The SYP Series Syringe Pump module withdraws and measures samplevolumes from transdermal diffusion cells at each time interval.Individual samples are dispensed simultaneously into HPLC vials thatare stored in the SCT Series Sample Collectors. The replacement mediatakes place right after each sampling. The lift plate tilts the Franzcells to allow all the air bubbles to purge out of the cells. This willinsure that there are no air bubbles under the skin/patches!

All modules are controlled by a stand alone system controller or software program via IBM- compatible PC.

During the test: The stir bar does the mixing. No circulation takes place during the test.

For Sampling: Syringe pump takes samples from Franz cells a few minutesbefore the sampling time to pre- condition the syringes and then takessample at the time interval. The system wastes .5 ml to wash the sampledelivery lines and then delivers samples into HPLC vials. Syringeswithdraw all remaining samples from the delivery lines‚ where they getsent back to the cells.

For media replacement: Franz cell support tilts‚ and the syringes takereplacement media and then re-fills the Franz cells. All bubbles arepushed out to waste‚ patented Tilted Cell design.

Specification:

FDC-6 Transdermal Diffusion Cell Drive Console

Power requirements :110V - 120V 50/60 Hz or 220V - 240V 50/60 Hz

Drive Positions: 6

Cell Positions : 6

Control Zone : 2

Zone 1: Drive Positions 1 2 3

Zone 2: Drive Positions 4 5 6

Stirring Method : Teflon coated magnetic bar

Speed : 300 RPM

Heater : 700 watts

Temperature range: 25_45 ° C

Temperature accuracy : . ± .1 ° C

Syringe Pump

Syringe Pump position: Up to 6 Syringes

Syringe Pump Driver: By high torque motor with encoder

Control: Manual or PC Control

Syringe size: 5 ml (others available)

Voltage: 110 & 220V 50/60Hz

Flow rate: Adjustable or Fixed at approx: 1 ml per minute with 10 ml syringe

Accuracy: + / _ 1% depends on the calibration & stroke of the syringe

Sample collector:

Delivery position: up to 6 positions

Sample rack: Up to 8 X 20 total 160 sample vials

Waste position (HOME): One position on left.

Standard vial size: For Waters / Agilent / Shimadzu

Voltage: 24 Volt DC from 110 & 220V 50/60Hz Power supply

Sample time points: Up to 20 time points

Volume accuracy: Within 1% of the collection volume

Special Offer

We currently have demo equipment available for the Refractometers, Density Meter, Smartchem and SPE Autosampler.

What's New

18/11/2008

DDM 2911 Density Meter is available for demonstration

We are pleased to announce that Steroglass STRIKE 300 Rotary Evaporator won the GOLD AWARD as the most innovative and well designed instrument in the world according the IBO magazine. They declare that "The Strike 300's innovative industrial design clearly distinguishes it by creating an appealing visual appearance and enhanced end-user experience."

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