Results 211 to 220 of about 9,550 (296)

Fluorometer Control and Readout Using an Arduino Nano 33 BLE Sense Board

Applied Spectroscopy, 2022
We describe the control and interfacing of a fluorometer designed for aerial drone-based measurements of chlorophyll-a using an Arduino Nano 33 BLE Sense board.
Zechariah B. Kitzhaber, Caitlyn M. English, K. R. I. Sanim, Michail Kalaitzakis, B. Kosaraju, M. Hodgson, Nikolaos I. Vitzilaios, T. Richardson, M. Myrick   +8 more
semanticscholar   +1 more source

Reliability of Aqueous Flare Measurements During Uveitis by a Spot Fluorometer

Journal of Ocular Pharmacology and Therapeutics, 2021
Purpose: To evaluate the reliability of intensity of light scatter (ILS) for diagnosing mild-to-moderate uveitis, which is difficult to score by the subjective standardized uveitis nomenclature (SUN) grading.
Sirisha Tadepalli, Hadiya P Farhath, R. Sudhir, P. Padmanabhan, Jyothirmay Biswas, S. Saravana, Mehal Rathore, S. Paneerselvam, Abhilash Ravikumar, S. P. Srinivas   +9 more
semanticscholar   +1 more source

Smartphone-based fluorometer for pH detection using green synthesized carbon dots

, 2021
As a group of heavy-metal-free fluorescent nanomaterials, carbon dots (CDs) have recently received a growing interest as they have high optical absorption activity and are chemically stable, biocompatible, and less toxic.
Leila Moradloo Azad, H. Ehtesabi, A. Rezaei   +2 more
semanticscholar   +1 more source

Video fluorometer

Review of Scientific Instruments, 1979
Details of a unique computer controlled multichannel fluorometer are given. Features include: a novel optical system enabling simultaneous acquistion of excitation and emission data over broad spectral ranges, a highly sensitive silicon intensified target (SIT) vidicon detector, and a video interface to a minicomputer allowing data acquisition at the ...
D W, Johnson, J A, Gladden, J B, Callis, G D, Christian   +3 more
openaire   +2 more sources

Predicting cyanobacterial biovolumes from phycocyanin fluorescence using a handheld fluorometer in the field.

Harmful Algae, 2020
Toxic cyanobacterial blooms are becoming more prevalent in freshwater systems, increasing the need for monitoring to protect human health. Phycocyanin fluorescence sensors have been developed as tools for providing fast and cost-effective proxy ...
G. Thomson-Laing, J. Puddick, S. Wood
semanticscholar   +1 more source

Fluorometer for Screening of Doxorubicin in Perfusate Solution and Tissue with Solid-Phase Microextraction Chemical Biopsy Sampling.

Analytical Chemistry, 2020
The recent development of an in vivo solid-phase microextraction (SPME) method capable of analyzing drugs and metabolic products in biofluids and living tissues holds great promise.
V. Galievsky, J. Pawliszyn
semanticscholar   +1 more source

An autonomous and wireless pulse-amplitude modulated chlorophyll fluorometer

TM. Technisches Messen, 2021
Measuring chlorophyll fluorescence is an important tool in plant research, since it is a reliable non-invasive method for capturing photosynthetic efficiency of a plant and, hence, an indicator of plant stress/health.
Julia Reimer, Sebastian Stöcklin, L. Comella, P. Woias, C. Werner, L. Reindl, Stefan J. Rupitsch   +6 more
semanticscholar   +1 more source

Integrated instrumental analysis teaching platform with smartphone-operated fluorometer.

Analytical Methods, 2020
The present work describes an Integrated Teaching Tool (ITT) to facilitate the learning process in analytical chemistry. The first instrument integrated in the platform to demonstrate the concept is a wireless, portable fluorometer, produced by 3D ...
Lucas B. Ayres, F. S. Lopes, Carlos D. Garcia, I. Gutz   +3 more
semanticscholar   +1 more source

Kinetic bacteriochlorophyll fluorometer

Photosynthesis Research, 2010
A pump and probe fluorometer with a laser diode as single light source has been constructed for measurement of fast induction and relaxation of the fluorescence yield in intact cells, chromatophores and isolated reaction centers of photosynthetic bacteria.
Péter, Kocsis, Emese, Asztalos, Zoltán, Gingl, Péter, Maróti   +3 more
openaire   +2 more sources

Handheld fluorometer for in-situ melamine detection via interference synthesis of dsDNA-templated copper nanoparticles.

Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, 2020
Fluorescent copper nanoparticles templated by dsDNA have gained significant research interest as they are inexpensive and easy to synthesize, and have found applications in the detection of a wide range of analytes.
Radhika Nambannor Kunnath, Aravind Venukumar, S. Gorthi   +2 more
semanticscholar   +1 more source