Publications and curriculum vitae

  • 2024

    Hosseini, S., J.C. Koch, Y. Liu, I. Semmes, I. Nahmens, W.T. Monroe, J. Xu, and T.R. Tiersch. 2024. Evaluation of industrial and consumer 3-D resin printer fabrication of microdevices for quality management of genetic resources in aquatic species. Micro and Nano Engineering. doi.org/10.1016/j.mne.2024.100277.

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  • Recognition of a “Big Problem” is a first step in developing solutions such as custom scientific hardware (e.g., tools and devices) to advance repository development for aquatic species..

    2024

    Liu, Y., J.C. Koch, L. Arregui, A. Oune, S. Bodenstein, M.T. Gutierrez-Wing, and T.R. Tiersch. 2024. Exploring pathways toward open-hardware ecosystems to safeguard genetic resources for biomedical research communities using aquatic model species. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. doi.org/10.1002/jez.b.23234.

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  • (Left) Simplified process map and (Right) timelapse images of hardware-augmented 4S method. Sketch of complete straw packed with three  strand straw shuttles and sealed with an aligner sealer.

    2023

    Koch, J.C., A. Oune, S. Bodenstein, and T.R. Tiersch. 2023. Untangling the Gordian Knot of Aplysia sea hare egg masses: An integrated open-hardware system for standardized egg strand sizing and packaging for cryopreservation research and application. HardwareX, e00476. doi.org/10.1016/j.ohx.2023.e00476

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  • Fresh sperm of Xenopus laevis obtained from macerated testes and stained with 0.4% eosin Y for assessment of membrane integrity.

    2023

    Arregui, L., J.C. Koch, and T.R. Tiersch. 2023. Transitioning from a research protocol to a scalable applied pathway for Xenopus laevis sperm cryopreservation at a national stock center: the effect of cryoprotectants. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. doi.org/10.1002/jez.b.23228.

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  • Hydractinia colony morphology, life history, and sperm release and collection.

    2022

    Huene, A.L., J.C. Koch, L. Arregui, Y. Liu, M.L. Nicotra, V.M. Weis, and T.R. Tiersch. 2022. Cryopreservation of Hydractinia symbiolongicarpus sperm to support community-based repository development for preservation of genetic resources. Animals, 12(19), 2537. doi.org/10.3290/ani12192537

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  • Diagrammatic representation of the possible role of carbonic anhydrases (CAs) in the interactions between symbiosis, animal size and light that integrate into animal trophic strategy.

    2020

    Koch, J.C., E.A. Verde, and V.M. Weis. 2020. Carbonic anhydrases are influenced by the size and symbiont identity of the aggregating sea anemone Anthopleura elegantissima. Journal of Experimental Biology, 223. doi.org/10.1242/jeb.221424

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  • Tentacle squash from temperate symbiotic sea anemone  Anthopleura elegantissima at 40x power oil immersion under differential interference contrast microscope. Symbiodinium are the golden-brown circles.

    2015

    Koch, J.C. & J. R. Pawlik. 2015. Together is better: The importance of heterotrophy and photoautotrophic symbiosis for growth of the sea anemone Aiptasia pallida. Explorations, 10, 46-61.

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