Special Issues

Listed below is a list of selected special articles.

Articles by Year

3 records are found

An Innovative Low-Cost Method of Water Quality Analysis with Spectrophotometry and Machine Learning

October 24, 2023

Abstract

Global Warming has been a problem at the heart of Earth’s environmental issues for nearly 5 decades, with the potential to affect a significant portion of the global population. Changes in Earth’s climate due to the rise in global temperatures will have an enormous impact on communities around the world, along with a drastic displacement of humans and an extreme loss in natural biodiversity. Current methods of combating this issue have proven to be ineffective, requiring a more comprehensive and innovative approach. This project aims to propose a potential solution to mitigate the effects of global warming and limit temperatures to sustainable levels through the use of stratospheric aerosols. Through a process of data collection, experimentation, and modeling, we were able to correlate the presence of aerosols in the stratosphere to a consequent drop in temperatures and utilize regression prediction to forecast a 16% drop in global temperatures after examining the effects of volcanic ash in the stratosphere. We were also able to compare monthly aerosol concentration levels to declines in the temperature growth, finding a benchmark to stabilize global temperatures. By implementing the changes to Earth’s atmosphere, we can reflect heat from the Sun and create a cooling effect for the planet.


References

Dykema, J. A., Keith, D. W., Anderson, J. G., & Weisenstein, D. (2014). Stratospheric controlled perturbation experiment: a small-scale experiment to improve understanding of the risks of solar geoengineering. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 372(2031), 20140059. https://doi.org/10.1098/rsta.2014.0059

Schmeisser, L., Andrews, E., Ogren, J. A., Sheridan, P., Jefferson, A., Sharma, S., Kim, J. E., Sherman, J. P., Sorribas, M., Kalapov, I., Arsov, T., Angelov, C., Mayol-Bracero, O. L., Labuschagne, C., Kim, S.-W., Hoffer, A., Lin, N.-H., Chia, H.-P., Bergin, M., & Sun, J. (2017). Classifying aerosol type using in situ surface spectral aerosol optical properties. Atmospheric Chemistry and Physics, 17(19), 12097–12120. https://doi.org/10.5194/acp-17-12097-2017

Ramanathan, V. (2001). Aerosols, Climate, and the Hydrological Cycle. Science, 294(5549), 2119–2124. https://doi.org/10.1126/science.1064034

Moriyama, R., Sugiyama, M., Kurosawa, A., Masuda, K., Tsuzuki, K., & Ishimoto, Y. (2016). The cost of stratospheric climate engineering revisited. Mitigation and Adaptation Strategies for Global Change, 22(8), 1207–1228. https://doi.org/10.1007/s11027-016-9723-y

Haywood, A.M., H.J. Dowsett, B. Otto-Bliesner, M.A. Chandler, A.M. Dolan, D.J. Hill, D.J. Lunt, M.M. Robinson, N. Rosenbloom, U. Salzmann, and L.E. Sohl, 2010: Pliocene Model Intercomparison Project (PlioMIP): Experimental design and boundary conditions (Experiment 1). Geosci. Model Dev., 3, 227-242, https://doi.org/10.5194/gmd-3-227-2010

Robock, Alan. “Volcanic Eruptions and Climate.” Reviews of Geophysics, vol. 38, no. 2, May 2000, pp. 191–219, https://doi.org/10.1029/1998rg000054 

Madronich, S., et al. “Changes in Biologically Active Ultraviolet Radiation Reaching the Earth’s Surface.” Journal of Photochemistry and Photobiology B: Biology, vol. 46, no. 1-3, Oct. 1998, pp. 5–19, https://doi.org/10.1016/s1011-1344(98)00182-1 

Forster, P., V. Ramaswamy, P. Artaxo, T. Berntsen, R. Betts, D. Fahey, J. Haywood, J. Lean, D. Lowe, G. Myhre, J. Nganga, R. Prinn, G. Raga, M. Schulz & R. Van Dorland (2008): Changes in Atmospheric Constituents and in Radiative Forcing. Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the IPCC, S. Solomon et al. (eds.), Cambridge University Press, Cambridge, UK, Chapter 2, http://www.cambridge.org/catalogue/catalogue.asp?isbn=9780521705967 

Yu, P., Toon, O. B., Bardeen, C. G., Zhu, Y., Rosenlof, K. H., Portmann, R. W., Thornberry, T. D., Gao, R.-S., Davis, S. M., Wolf, E. T., de Gouw, J., Peterson, D. A., Fromm, M. D., & Robock, A. (2019). Black carbon lofts wildfire smoke high into the stratosphere to form a persistent plume. Science, 365(6453), 587–590. https://doi.org/10.1126/science.aax1748

Global Modeling and Assimilation Office (GMAO) (2015), MERRA-2 tavgM_2d_aer_Nx: 2d,Monthly mean,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics V5.12.4, Greenbelt, MD, USA, Goddard Earth Sciences Data and Information Services Center (GES DISC), Accessed: 1/10/2023, 10.5067/FH9A0MLJPC7N

Global Aerosol Climatology Project (GACP). (2015). Aerosol thickness data. Data source: NASA Goddard Earth Sciences Data and Information Services Center website, https://gacp.giss.nasa.gov/data/time_ser/ 

Food and Agriculture Organization of the United Nations (FAOSTAT). (2022). Temperature change domain data. Data source: FAOSTAT website, https://www.fao.org/faostat/en/#data/ET

THE EFFECT OF ARACHIDONIC ACID ON THE PROLIFERATION OF DUGESIA TIGRINA NEOBLAST CELLS

August 11, 2023

 


Abstract

In 2022, 148.65 billion dollars were spent on wound care in the US. Wound healing is facilitated by cell regeneration and proliferation. Scientists use planaria to study regeneration. Planaria is a flatworm with the ability to grow its body back from small body parts. Arachidonic acid (AA) is a polyunsaturated fatty acid known to stimulate the Wnt pathway, which controls cell proliferation. This study aims to assess the impact of arachidonic acid on the regeneration rate of planaria. 3 planaria heads and 3 planaria tails were placed in regular spring water after bisecting, while 3 planaria heads and 3 planaria tails were placed in an AA solution after bisecting. The planaria were measured daily for 10 days. The data demonstrated that the planaria in the AA solution had a faster regeneration rate, however, they also had a high mortality rate. The higher mortality rate suggested that AA may be toxic to planaria. The planaria with a higher regeneration rate might have needed more energy and nutrients than they had, which could have led to their deaths. The data presented supported the hypothesis that AA increases the regeneration rate of planaria. This research is crucial to understanding how the rate of wound healing can be increased, which can decrease the amount of money spent on wound care in the U.S.


References

  1. D. Queen and K. Harding, “Estimating the cost of wounds both nationally and regionally within the top 10 highest spenders,” International wound journal, vol. 21, no. 2, Jan. 2024, doi: https://doi.org/10.1111/iwj.14709.

  2. H. A. Wallace, P. M. Zito, and B. M. Basehore, “Wound Healing Phases,” Nih.gov, Jun. 12, 2023. https://www.ncbi.nlm.nih.gov/books/NBK470443/

  3. National Cancer Institute, “NCI Dictionary of Cancer Terms,” National Cancer Institute, 2019. https://www.cancer.gov/publications/dictionaries/cancer-terms/def/cell-proliferation

  4. Johns Hopkins Medicine, “Hyperbaric Oxygen Therapy,” Johns Hopkins Medicine, 2019. https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/hyperbaric-oxygen-therapy

  5. “Complications of Hyperbaric Oxygen Treatment,” John Hopkins Medicine, 2020. https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/complications-of-hyperbaric-oxygen-treatment

  6. Q. Wang et al., “Arachidonic Acid Promotes Intestinal Regeneration by Activating WNT Signaling,” Stem Cell Reports, vol. 15, no. 2, pp. 374–388, Jul. 2020, doi: https://doi.org/10.1016/j.stemcr.2020.06.009.

  7. S. G. Pai et al., “Wnt/beta-catenin pathway: modulating anticancer immune response,” Journal of Hematology & Oncology, vol. 10, no. 1, May 2017, doi: https://doi.org/10.1186/s13045-017-0471-6.

  8. A. J. HIGGINS and P. LEES, “The acute inflammatory process, arachidonic acid metabolism and the mode of action of anti-inflammatory drugs,” Equine Veterinary Journal, vol. 16, no. 3, pp. 163–175, May 1984, doi: https://doi.org/10.1111/j.2042-3306.1984.tb01893.x.

  9. Noemí Caballero‐Sánchez, S. Alonso‐Alonso, and L. Nagy, “Regenerative inflammation: When immune cells help to re‐build tissues,” The FEBS Journal, Dec. 2022, doi: https://doi.org/10.1111/febs.16693.

  10. The Wildlife Trusts, “Planaria | The Wildlife Trusts,” www.wildlifetrusts.org. https://www.wildlifetrusts.org/wildlife-explorer/marine/worms/planaria

  11. A. Karami, H. Tebyanian, V. Goodarzi, and S. Shiri, “Planarians: an In Vivo Model for Regenerative Medicine,” International Journal of Stem Cells, vol. 8, no. 2, pp. 128–133, Nov. 2015, doi: https://doi.org/10.15283/ijsc.2015.8.2.128.

The Effect of Apis mellifera Propolis on the Growth of Tumors on Solanum lycopersicum

May 18, 2023

Abstract: 

Plants are an integral part of human life. Crops, especially fruits and vegetables, provide humans with energy and nutrients. What would happen if we didn’t have these foods at all? The aim for this research study was to determine if the plant ridding disease, Tobacco Mosaic Virus
(TMV), could be mitigated if treated with propolis; a substance collected from Apis mellifera (honey bees) when they pollinate flowers. The plant selected for this study was Solanum lycopersicum (tomato plant) due to its commonality with the virus itself. Due to the hardships of germination, the plants were bought and not grown and only the leaf count was measured. The plants were split into two groups, control and experimental. TMV was applied to both groups, but only the experimental group was treated with Apis mellifera propolis. Several days later, the experimental group received the propolis. With the control group, about 6 leaves were destroyed and wrinkle while in the experimental group only 2 leaves were shriveled and destroyed. The control group plant had a tilt as the stem was weakening, while the experimental group was upright. The colors didn't change all too much in either except for the leaf color. In the control group, the leaves looked black and brown, while in the experimental it looked slightly brown
rather than black. According to the data collected, the plant-ridden disease of the Tobacco Mosaic Virus can be rid of with the propolis of Apis mellifera.

KeywordsSolanum lycopersicum,  Apis mellifera Propolis,  Growth of Tumors, Tobacco Mosaic Virus
(TMV)


References

  1. References
    Aiderus, M. (2018). Bioactive Natural Products. Insect Biochemistry, 11(6), 685-690. https://doi.org/10.1016/0020-1790(81)90059-7
  2. Annila, T. (2019). Natural bee products and their apitherapeutic applications - ScienceDirect. Sciencedirect, 117(1), 508-508. https://doi.org/10.5248/117.508
  3. El-Seedi, H., Yosri, N., Chen, L., Abd El-Waheed, A., & Ghulam Musharraf, S. (2020). Antimicrobial Properties of Apis mellifera’s Bee. Proquest.com. Retrieved 24 March 2022, from https://www.proquest.com/docview/2424016008/F7926CD3CA434259PQ/1.
  4. Enderling, K. (2019). What are the different types of tumor?. Medical News Today, 23-25. https://doi.org/10.18773/austprescr.2017.005
  5. Kolayi, S., 2021. Bee venom. [online] Bee venom - an overview. Available at 0a%20very,phospholipase%2DA2%20%5B4%5D.> [Accessed 21 December 2021].
  6. Wollaeger, H. (2014). Common questions and answers about tobacco mosaic virus. Michigan State University Extension. Retrieved 16 February 2022, from.
  7. Wagh V. D. (2013). Propolis: a wonder bees product and its pharmacological potentials. Advances in pharmacological sciences, 2013, 308249. https://doi.org/10.1155/2013/308249
  8. Yin, Z., KOBIKI, A., & KAWADA, H. (2012). Tobacco Mosaic Virus as a New Carrier for Tumor Associated Carbohydrate Antigens. Tobacco Mosaic Virus As A New Carrier For Tumor
    Associated Carbohydrate Antigens, 2012(0), 47. https://doi.org/10.1299/jsmeintmp.2005.47_2