Reliable Instruments for an Unreliable World

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May 29, 2019

Parameters: CDOM, Turbidity

Congratulations to Stephen Plont who was awarded a Travel Stipend for his presentation at the 2019 Society for Freshwater Science featuring our Cyclops  and AquaFluor Fluorometers.

Abstract

Stream confluences are ubiquitous features in freshwater networks and are known for distinct hydrogeomorphic characteristics relative to upstream tributaries and downstream reaches. However, the role of confluences as control points, locations that disproportionately influence ecosyst...

August 20, 2018

Parameters: Chlorophyll

Congratulations to Carolina Gutierrez who was awarded a Travel Stipend for her presentation at the 2018 Ecological Society of America Conference featuring our AquaFluor Handheld Fluorometer.

Abstract

Background/Question/Methods Organismal traits determine how species perform and contribute to ecosystem functioning. Functional diversity quantifies the value and range of the traits that influence species performance and contribution to ecosystem functioning. Functional diversi...

August 15, 2018

We are excited to announce new AquaFluor firmware which allows users to calibrate with up to 5 calibration standards providing more accurate estimates than the previous calibration which used a single standard and a blank.  The new firmware also calculates the slope and fit resulting from a linear regression through the calibration points.  The slope is used to convert fluorescence to concentration estimates; fit is a measure of the linear correlation between the standards measured and their res...

August 6, 2018

Turner Designs’ Ballast-Check™ 2 is the first biological indicative compliance monitor to receive a Product Design Assessment (PDA) certificate from ABS.  The PDA certifies that the Ballast-Check 2 is fit for purpose as marine specialty equipment.  It was important to Turner Designs that users of the Ballast-Check 2 were provided an assessment conducted by a 3rd party with marine environment experience and knowledge of the ballast water convention and US regulations.   In performing the assessme...

June 15, 2018

Parameters: Ammonium

Congratulations to Keely MacNeil who was awarded a travel stipend for her presentation "N:P as driver of As retention" at the ASLO Summer Meeting 2018 featuring our AquaFluor Handheld Fluorometer.

Abstract

Arsenic (As), a toxic trace element, can be taken into cells in place of phosphorus (P) and decouple phosphorylation, hindering energy production. Organisms take up more As when P is low, and our research shows that microbial As uptake depends on relative nitrogen (N:P), not...

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