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Parastoo ("Parry") Hashemi (born 1980) is an Iranian-British neural engineer at Imperial College London.

Hashemi's research develops and applies sensors for brain measurements of neurotransmitters in the context of mental illness etiology, diagnosis and treatment.^[1][2]

Hashemi was born in Tehran, Iran and immigrated with her family to the United Kingdom, as a child, in 1986. She grew up in Durham, UK and attended Belmont Comprehensive school and Durham Johnston 6th Form College.

Hashemi graduated with a first class Master in Science (MSci) degree in chemistry from King's College London in 2003.^[2] She received her PhD in Bioengineering from Imperial College London in 2007 under the mentorship of Dr. Martyn Boutelle.^[2][3] The focus of her Ph.D. research was to develop online microdialysis techniques for monitoring humans with traumatic brain injury.^[2]

Hashemi moved to the United States in 2007 to perform her post-doctoral work with Dr. R. Mark Wightman at the University of North Carolina at Chapel Hill.^[2][3] The focus of her post-doctoral research was to develop a selective method for in vivo detection for brain serotonin.^[2][4]

Hashemi held an assistant professorship in the department of Chemistry at Wayne State University^[2] from 2011 to 2015 and in the department of Chemistry and Biochemistry at the University of South Carolina^[2] from 2015-2022 where she was tenured in 2017. Hashemi continues to run her lab as a Reader in Brain Diagnostics and Therapeutics in the Department of Bioengineering at Imperial College London^[5] since 2019.^[6]

Hashemi has pioneered tools for measurements of serotonin in the brain,^[2][7][8][9] a neurotransmitter important in the pathology of depression. Her team is using these tools in a variety of models to better understand, diagnose and treat mental disorders, with a focus on depression.^[10]

• 2019 CAMS Fellow (Community for Analytical Measurement Science)
• 2018 Society for Electroanalytical Chemistry (SEAC) Royce W. Murray Award^[11]
• 2018 Society of Pittsburgh Chemists Pittcon Achievement Award^[12]
• 2018 USC Breakthrough Stars Award^[13]
• 2017 Midwestern Universities Analytical Chemistry Conference Young Investigator Travel Award
• 2017 International Society for Neurochemistry Brain in Flux Symposium Young Faculty Travel Award
• 2017 NSF CAREER Award^[14]
• 2015 Eli Lilly Young Investigator Award in Analytical Chemistry
• 2013 Masao Horiba Award for Analytical Chemistry^[15]

• Hersey, Melinda; Samaranayake, Srimal; Berger, Shane N.; Tavakoli, Navid; Mena, Sergio; Nijhout, H. Frederik; Reed, Michael C.; Best, Janet; Blakely, Randy D.; Reagan, Lawrence P.; Hashemi, Parastoo (2021-07-28). "Inflammation-Induced Histamine Impairs the Capacity of Escitalopram to Increase Hippocampal Extracellular Serotonin". Journal of Neuroscience. 41 (30): 6564–6577. doi:10.1523/JNEUROSCI.2618-20.2021. ISSN 0270-6474. PMC 8318079. PMID 34083254.
• West, Alyssa; Best, Janet; Abdalla, Aya; Nijhout, H. Frederik; Reed, Michael; Hashemi, Parastoo (2019-02-01). "Voltammetric evidence for discrete serotonin circuits, linked to specific reuptake domains, in the mouse medial prefrontal cortex". Neurochemistry International. Brain in Flux-III. 123: 50–58. doi:10.1016/j.neuint.2018.07.004. ISSN 0197-0186. PMC 7448101. PMID 30031052.
• Abdalla, Aya; West, Alyssa; Jin, Yunju; Saylor, Rachel A.; Qiang, Beidi; Peña, Edsel; Linden, David J.; Nijhout, H. Frederik; Reed, Michael C.; Best, Janet; Hashemi, Parastoo (2020). "Fast serotonin voltammetry as a versatile tool for mapping dynamic tissue architecture: I. Responses at carbon fibers describe local tissue physiology". Journal of Neurochemistry. 153 (1): 33–50. doi:10.1111/jnc.14854. ISSN 1471-4159. PMC 7279511. PMID 31419307.
• Jin, Yunju; Dougherty, Sarah E.; Wood, Kevin; Sun, Landy; Cudmore, Robert H.; Abdalla, Aya; Kannan, Geetha; Pletnikov, Mikhail; Hashemi, Parastoo; Linden, David J. (2016-08-17). "Regrowth of Serotonin Axons in the Adult Mouse Brain Following Injury". Neuron. 91 (4): 748–762. doi:10.1016/j.neuron.2016.07.024. ISSN 0896-6273. PMC 4990493. PMID 27499084.
• Atcherley, Christopher W.; Wood, Kevin M.; Parent, Kate L.; Hashemi, Parastoo; Heien, Michael L. (2015-01-27). "The coaction of tonic and phasic dopamine dynamics". Chemical Communications. 51 (12): 2235–2238. doi:10.1039/C4CC06165A. ISSN 1364-548X. PMC 4825181. PMID 25249291.

• Official website
• Parastoo Hashemi- UofSC Chemistry and Biochemsitry
• Parastoo Hashemi- Imperial College London Bioengineering