Title of Profil	Chemical analysis improvement - photometric detector
Reference	12 PL 62AQ 3P85
Country of origin	Poland
Offers/Requests	Offer
Entry/Update	2012-06-20 / 2013-05-06
Status	update

Abstract

Research Unit of the north-east Poland developed photometric detector PEDD (Paired Emitter-Detector Diodes) for chemical analysis in the flow, integrated with multi-pumping flow system. This solution reduces time of analysis even few tenfold. Used reagents (milliliter fraction per sample) simplify the analytical procedure. The entire system can be designed and optimized, incl. the electronic part and measurement control software. The unit is interested in manufacturing and market application.

Details

Chemical analysis carried out in flow systems allow for automation, shorter analysis time, reduced reagent consumption and cost reductions. PEDD detectors are becoming more popular in The photometric detection of flow conditions. This detector uses paired LED's diodes- one as a light source and the other as a photodiode with selective spectral sensitivity. Detectors of this type are very cheap and reliable, and very small, which enable miniaturization of the measuring equipment. In the developed solution mixing the sample with reagents occurs in split second, directly in the detector chamber. Detector chamber has a larger volume than the total volume of used sample and reagent. Thanks to this, it is not necessary to completely mix the reaction mixture with the carrier solution and obtain a homogeneous solution, because the colored product as a whole is on the optical path of the detector.Innovative Aspects:Developed photometric detector is much cheaper compared to the previously used, where peristaltic or syringe pumps are used. Execution time of the analysis and the consumption of reagents are at least ten times smaller. A much smaller number of items requiring manual operator, makes the device more reliable and less expensive to operate. The detector can be used in mobile equipment. 1. The detector acts as a reaction chamber. No need to use additional mixing elements, such as coil or mixing chamber. In this way, sample and reagent are mixed together in a precise and fast way.2. Carry out the reaction directly in the chamber detector allows us to avoid unnecessary dilution of the sample and reagents, which is typical of other flow systems due to the dispersion process.3. This system allows us to reduce reagent consumption (only 10 or 20 uL of sample and reagent or less - depending on the use of pumps). This results in a significant cost reduction of the analysis and reduces the volume of waste generated.4. Detector with accessories (pulse pump) weighs less than 1kg. Classical systems for the analysis of the flow require at least one peristaltic pump, weighing several pounds and retrieves several watts of 230V.5. The proposed power system is very compact, small size - it requires no more than 12 V. This facilitates the use of proposed equipment in the portable laboratories. Power consumption is small, because the pulse pump only retrieve current when the solenoid coil is powered, ie about 300 mA for 0.3 s (pumping one portion of the liquid, such as 20µL), and the whole analysis need eg 10-20 of such pulses. Some part of the electronic analytical system, with the optimization of the mobile equipment or field measurement station may need less than 1W of power.

Technology sector	- Analyses / Test Facilities and Methods - Electrical Technology related to measurements - Electronic measurement systems
Market application	- Electronics Related Equipment - Analytical and Scientific Instrumentation - Chemicals and Materials - Industrial Equipment and Machinery
Stage of development	Already on the market
Patent Rights (IPR)	Patent(s) applied for but not yet granted
Cooperation type	- License Agreement - Assembly - Engineering - Technical consultancy - Quality control - Maintenance Type of partner sought: research institutes, private companiesSpecific area of activity of the partner: caring out chemical analysis, producing equipmentTask to be performed by the partner sought: individual use of offered device or device production.
Organisation type	Research institute/University      Org. Size: > 500

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