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Tammi L Richardson

Explore the profile of Tammi L Richardson including associated specialties, affiliations and a list of published articles. Areas
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Articles 25
Citations 142
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Recent Articles
1.
Twining C, Williams P, Schuler W, English C, Richardson T, Myrick M
Appl Spectrosc . 2024 Dec; :37028241303944. PMID: 39686593
Environmental fluorescence measurements sometimes use water Raman scattering as an internal standard to compensate for path length, lensing effects, and turbidity. Fluorescent dissolved organic matter (FDOM) in water may interfere...
2.
Merritt K, Richardson T
J Phycol . 2024 Mar; 60(2):528-540. PMID: 38456338
Cryptophytes are known to vary widely in coloration among species. These differences in color arise primarily from the presence of phycobiliprotein accessory pigments. There are nine defined cryptophyte phycobiliprotein (Cr-PBP)...
3.
Greenwold M, Merritt K, Richardson T, Dudycha J
Protist . 2023 Nov; 174(6):125994. PMID: 37935085
Cryptophytes are single celled protists found in all aquatic environments. They are composed of a heterotrophic genus, Goniomonas, and a largely autotrophic group comprising many genera. Cryptophytes evolved through secondary...
4.
Schomaker R, Richardson T, Dudycha J
Environ Microbiol . 2023 Oct; 25(12):3280-3297. PMID: 37845005
Algae with a more diverse suite of pigments can, in principle, exploit a broader swath of the light spectrum through chromatic acclimation, the ability to maximize light capture via plasticity...
5.
English C, Kitzhaber Z, Sanim K, Vitzilaios N, Hodgson M, Richardson T, et al.
Appl Spectrosc . 2023 Jun; 77(9):1053-1063. PMID: 37350765
We recently described a lightweight, low-power, waterproof filter fluorometer using a 180° backscatter geometry for chlorophyll-a (chl-) detection. Before it was constructed it was modeled to ensure it would have...
6.
Kitzhaber Z, English C, Sanim K, Kalaitzakis M, Kosaraju B, Hodgson M, et al.
Appl Spectrosc . 2022 Oct; 77(2):220-224. PMID: 36197285
We describe the control and interfacing of a fluorometer designed for aerial drone-based measurements of chlorophyll- using an Arduino Nano 33 BLE Sense board. This 64 MHz controller board provided...
7.
English C, Kitzhaber Z, Sanim K, Kalaitzakis M, Kosaraju B, Pinckney J, et al.
Appl Spectrosc . 2022 Sep; 77(1):94-105. PMID: 36065908
We describe a waterproof, lightweight (1.3 kg), low-power (∼1.1 W average power) fluorometer operating on 5 V direct current deployed on a small uncrewed aircraft system (sUAS) to measure chlorophyll...
8.
Heidenreich K, Richardson T
J Phycol . 2019 Dec; 56(2):507-520. PMID: 31876286
The underwater light field of lakes, estuaries, and oceans may vary greatly in spectral composition. Phytoplankton in these environments must contain pigments that absorb the available colors of light. If...
9.
Greenwold M, Cunningham B, Lachenmyer E, Pullman J, Richardson T, Dudycha J
Proc Biol Sci . 2019 May; 286(1902):20190655. PMID: 31088271
Evolutionary biologists have long sought to identify phenotypic traits whose evolution enhances an organism's performance in its environment. Diversification of traits related to resource acquisition can occur owing to spatial...
10.
Cunningham B, Greenwold M, Lachenmyer E, Heidenreich K, Davis A, Dudycha J, et al.
J Phycol . 2018 Nov; 55(3):552-564. PMID: 30468692
Phenotypic traits associated with light capture and phylogenetic relationships were characterized in 34 strains of diversely pigmented marine and freshwater cryptophytes. Nuclear SSU and partial LSU rDNA sequence data from...