12. October 2020
05. October 2020
A few weeks ago, we took our nitrate sensor modules to the garden and tested them for nitrates and now we are pleased to report that they respond very well to varying levels of soil nitrate. The sensors take about a day or two to stabilise followed by continuous readings. In order to check if they do respond to an increase in the nitrate content of the soil, we spiked the soil with potassium nitrate (KNO3) solution. All the sensors showed a response to the sudden influx of nitrate, varying in...
28. September 2020
The lab is equipped with items like flow hoods, non-ducted fume cupboards; -80, -20 and 4°C storage; incubators (static/shaking); centrifuges (1ml-50ml refrigerated) and bench space. This lab will serve as a hub for several of our projects, most importantly, the Nitrate sensor project. Located close to Central London, the lab is a 15-minute walk from Imperial College and is easily accessible by tube and the overground.
21. September 2020
ZP has a number of electronic boards which we can provide to clients or use in our client’s programmes. The heart of our products is always the biosensor and these electronics are intended to provide a commercially viable route for our customers and collaborators to get to market. Click on the button to learn more.
14. September 2020
The nitrate sensor module has successfully been through lab testing following which it has now been set in several gardens across UK as a part of our alpha tests. The sensor modules have proven to be robust functional units for estimating nitrate levels in the soil. These units can withstand all weather conditions and provide continuous readings. These tests have shown promising results and we hope to enter the next phase of testing soon. With each level, we move one step forward towards our...
24. August 2020
NPK stands for Nitrate, Phosphate and Potassium. These are the core sensors used in our soil sensing device. Over-fertilising usually causes the soil nitrate levels to increase. Phosphate and potassium levels are also known to rise because of excessive fertiliser usage. Excessive fertilisation leads to an imbalance of salinity in the soil making it unsuitable for native plant life. Nitrates also pollute waterways and can cause eutrophication, which can harm marine ecosystems. To know more about...
17. August 2020
ZP is currently working on developing a new phosphate sensor, fabricated by electroplating onto a screen-printed electrode. This layer is sensitive to dihydrogenphosphate. The sensor comes as a sleek replacement for the conventional, bulky wire sensors with the added advantage of low cost, ease of use and is expected to have high sensitivity and selectivity. It comes as an addition to our already available range of biosensors sensors.
10. August 2020
Latest additions to our precision farming products are ZP's moisture and temperature sensors. All our new developments are being put to the test in labs across UK and Norway.
03. August 2020
ZP is very excited to present its new development, a water-resistant sensor module that functions perfectly even in the presence of a high moisture environment. Our trusted engineers have put these modules through rigorous immersion tests and have proven that the sensors continue to retain functionality. We estimate that the electrical connection has an IP68 rating. The water-resistant module ensures that there is no penetration of moisture into the electrical connections and cabling.
27. July 2020
What are ZP's Nitrate rods doing in the Garden, one might ask? Our 30-cm rods are the perfect tool for soil tests in the garden. These rods are user-friendly and read the Nitrate levels of soil when connected to a datalogger.

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