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Phycoerythrin – PME | Providing sensors and systems for monitoring water parameters.

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Phycoerythrin – PME | Providing sensors and systems for monitoring water parameters. ✕Anti-Fouling Kit Maintenance Kit Maintenance Plan Wiper Maintenance Kit WIPER Bracket Wiper Replaceable Brushes USB Communication Cable Try now (760) 727-0300[email protected]1483 Poinsettia Ave. Suite 101 Vista, California, USA 92081Monday - Thursday 7:00am to 5:30pmProductsProductsminiDOT® Logger miniDOT® Clear Logger miniPAR Logger C-FLUOR Logger Cyclops-7 Logger T-Chain WIPER microDOT® Plus By ParameterDissolved Oxygen Temperature PAR Chlorophyll Fluorescein Dye Rhodamine WT Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure Optical Brighteners Phycoerythrin miniDOT® Logger miniDOT® Clear Logger miniPAR Logger C-FLUOR Logger Cyclops-7 Logger T-Chain WIPER microDOT® Plus ParametersParametersDissolved Oxygen Temperature PAR Chlorophyll Fluorescein Dye Rhodamine WT Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure Optical Brighteners Phycoerythrin Dissolved Oxygen Temperature PAR Chlorophyll Rhodamine WT Dye Fluorescein Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure ApplicationsApplicationsCoastal/Ocean Surface Water Source/Raw Water  Wastewater Aquaculture Wetlands Harmful Algal Blooms  Aquaculture Coastal/Ocean Harmful Algal Blooms  Source and Raw Water  Surface Water Wetlands Wastewater Accessories Anti-Fouling Kit Maintenance Kit Maintenance Plan WIPER Maintenance Kit WIPER Bracket Wiper Replaceable Brushes USB Communication Cable OEM Integrator microDOT® Plus Resources Blog Case Studies Software Media/Press Published Works Field Calibration Adjustment Find a Distributor Referral Program Careers Events FAQ Support Company Contact Request a Quote ✕ ✕Products miniDOT® Logger miniDOT® Clear Logger miniPAR Logger C-FLUOR Logger Cyclops-7 Logger T-Chain WIPER microDOT® Plus Parameters Dissolved Oxygen Temperature PAR Chlorophyll Rhodamine WT Dye Fluorescein Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure Applications Aquaculture Coastal/Ocean Harmful Algal Blooms  Source and Raw Water  Surface Water Wetlands Wastewater Accessories Anti-Fouling Kit Maintenance Kit Maintenance Plan WIPER Maintenance Kit WIPER Bracket Wiper Replaceable Brushes USB Communication Cable OEM Integrator microDOT® Plus Resources Blog Case Studies Software Media/Press Published Works Field Calibration Adjustment Find a Distributor Referral Program Careers Events FAQ Support Company Contact Request a Quote Water Quality ParametersPhycoerythrin What is Phycoerythrin and What Does it Do?Phycoerythrin is a light absorbing protein found in both Rhodophyta and cyanobacteria; or red and blue-green algae, respectively. Phycoerythrin is similar to phycocyanin - the protein responsible for creating a blue-green pigment in cyanobacterial algal blooms. Conversely, phycoerythrin is distinguished by its red hue and is characteristic of Rhodophyta blooms. Both belong to the chemical family phycobilin, the photosynthetic pigment which absorbs and directs energy from the sun to chlorophyll.

What is Phycoerythrin and What Does it Do?Not quite like the oxygen we breathe, dissolved oxygen (DO) refers to the amount of oxygen present in a body of water. DO levels are one of the primary conditions that determine an aquatic environment’s ability to host flora and fauna, making it an essential indicator of water quality. The surrounding atmosphere and photosynthetic process of aquatic plants introduce DO into water systems, but living organisms like fish aren’t the only force depleting or consuming this DO. Bacteria also require DO to thrive, and in water with an overabundance of nutrients in the water, algal blooms can signal an upset in the ecological balance. With DO playing such a crucial role in the world’s water systems, accurately measuring DO levels is imperative for scientists who study aquatic ecosystems.

An overabundance of phycoerythrin can indicate a problematic nutrient imbalance within a water body. Harmful algal blooms associated with Rhodophyta are sometimes referred to as the toxic “red tide,” but phycoerythrin has also been a positive force in the field of water research. Fluorescent dyes like that which have been derived from phycoerythrin are crucial tools for ecological researchers. Other fields have begun investigating the pigment as an antioxidant for nutritional or medicinal uses.

Since chlorophyll fluorescence cannot be used to accurately determine cyanobacterial presence, analyzing phycobilin concentrations is essential for detecting, quantifying and monitoring cyanobacterial levels. Optical kits are used to quickly and easily detect this portion of the phytoplankton population.

How Do We Measure Phycoerythrin in Water?

Using a fluorescence method, PME’s Interchangeable C-FLUOR Logger and Fixed Cyclops-7 Logger are both capable of measuring phycoerythrin concentrations in waterbodies. The C-FLUOR logger boasts a measurement capacity ranging from 0 to 700 ppb (parts per billion) at a minimum detection limit of 0.1 ppb. The Cyclops-7 Logger also features a minimum detection limit of 0.1 ppb and can detect phycoerythrin concentration up to 750 ppb for projects studying heightened concentrations.

Products Measuring Phycoerythrin Interchangeable C-FLUOR LoggerLearn More Fixed Cyclops-7 LoggerLearn More ProductsminiDOT® Logger miniDOT® Clear Logger miniPAR Logger C-FLUOR Logger Cyclops-7 Logger T-Chain WIPER microDOT® Plus AccessoriesAnti-Fouling Kit Maintenance Kit Maintenance Plan Wiper Maintenance Kit WIPER Bracket Wiper Replaceable Brushes USB Communication Cable ParametersDissolved Oxygen Temperature PAR Chlorophyll Fluorescein Dye Rhodamine WT Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure Optical Brighteners Phycoerythrin ResourcesCareers Company Events FAQ Find a Distributor Partners In Research Privacy Policy Repairs Software Terms and Conditions Warranty

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Aquasend, Inc. helps aquafarmers worldwide more efficiently and affordably manage production by providing innovative technology that integrates water sensors, 24/7 real-time monitors and alerts. Our devices, the Aquasend Beacon® and miniDOT® Clear Logger, have proven to be valuable assets to several segments in the aquatic industry.

(760) 727-0300[email protected]1483 Poinsettia Ave. Suite 101
Vista, California, USA 92081Follow UsSign UpGet notified of product updates and new releases:

(760) 727-0300[email protected]1483 Poinsettia Ave. Suite 101
Vista, California, USA 92081Follow UsSign UpGet notified of product updates and new releases:

ProductsminiDOT® Logger miniDOT® Clear Logger miniPAR Logger C-FLUOR Logger Cyclops-7 Logger T-Chain WIPER microDOT® Plus AccessoriesAnti-Fouling Kit Maintenance Kit Maintenance Plan Wiper Maintenance Kit WIPER Bracket Wiper Replaceable Brushes USB Communication Cable ParametersDissolved Oxygen Temperature PAR Chlorophyll Fluorescein Dye Rhodamine WT Dye Turbidity CDOM/FDOM Blue-Green Algae Refined Fuels/Crude Oil Tryptophan Pressure Optical Brighteners Phycoerythrin ApplicationsCoastal/Ocean Surface Water Source/Raw Water  Wastewater Aquaculture Wetlands Harmful Algal Blooms  ResourcesCareers Company Events FAQ Find a Distributor Partners In Research Privacy Policy Repairs Software Terms and Conditions Warranty

Aquasend, Inc. helps aquafarmers worldwide more efficiently and affordably manage production by providing innovative technology that integrates water sensors, 24/7 real-time monitors and alerts. Our devices, the Aquasend Beacon® and miniDOT® Clear Logger, have proven to be valuable assets to several segments in the aquatic industry.

© 2025 PME 

✕Special Combo Pricing!WIPER for miniDOT® The WIPER is a self-contained, completely submersible, wiping devise that can be used with a variety of sensors. A small brush rotates over the sensor in order to perform a complete wipe of the sensor surface, and then rests away from the sensor to allow for accurate and continuous monitoring. An anti-fouling copper plate is also included with each wiper purchase.

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