Sherine Obare
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Sherine O. Obare is the dean of the Joint School of Nanoscience and Nanoengineering at the
University of North Carolina at Greensboro The University of North Carolina at Greensboro (UNCG or UNC Greensboro) is a public research university in Greensboro, North Carolina. It is part of the University of North Carolina, University of North Carolina system. It is accredited by the S ...
and
North Carolina Agricultural and Technical State University North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' ...
. She works on nanomaterials for sensing and drug delivery.


Early life and education

Obare spent her childhood in
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
, where she attended a British high school. She studied chemistry, mathematics and physics. She majored in
engineering Engineering is the practice of using natural science, mathematics, and the engineering design process to Problem solving#Engineering, solve problems within technology, increase efficiency and productivity, and improve Systems engineering, s ...
, but decided to focus on chemistry because of her college roommate. She eventually began her bachelor's degree in chemistry at
West Virginia State University West Virginia State University (WVSU) is a Public university, public Historically black colleges and universities, historically black, land-grant university in Institute, West Virginia, United States. Founded in 1891 as the West Virginia Color ...
and graduated in 1998. She applied for a job at the
United States Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on De ...
, but was convinced by her professor to she would enjoy graduate school. She joined the
University of South Carolina The University of South Carolina (USC, SC, or Carolina) is a Public university, public research university in Columbia, South Carolina, United States. Founded in 1801 as South Carolina College, It is the flagship of the University of South Car ...
for her doctoral studies and earned her PhD in 2002. She worked under the supervision of Catherine J. Murphy. With Murphy, Obare developed a new approach to fabricate polystyrene and
silica Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , commonly found in nature as quartz. In many parts of the world, silica is the major constituent of sand. Silica is one of the most complex and abundant f ...
coated gold
nanorod In nanotechnology, nanorods are one morphology of nanoscale objects. Each of their dimensions range from 1–100 nm. They may be synthesized from metals or semiconducting materials. Standard aspect ratios (length divided by width) are 3-5. Nan ...
s as templates for hollow
nanotube A nanotube is a nanoscale cylindrical structure with a hollow core, typically composed of carbon atoms, though other materials can also form nanotubes. Carbon nanotubes (CNTs) are the most well-known and widely studied type, consisting of rolled- ...
s. Hollow
nanotube A nanotube is a nanoscale cylindrical structure with a hollow core, typically composed of carbon atoms, though other materials can also form nanotubes. Carbon nanotubes (CNTs) are the most well-known and widely studied type, consisting of rolled- ...
s are useful for drug delivery, cell and enzyme transplantation, removal of contaminated waste and gene therapy. To create the gold
nanorod In nanotechnology, nanorods are one morphology of nanoscale objects. Each of their dimensions range from 1–100 nm. They may be synthesized from metals or semiconducting materials. Standard aspect ratios (length divided by width) are 3-5. Nan ...
s, Obare used nanoparticles as a seed in a growth solution that contained
cetyltrimethylammonium bromide Cetrimonium bromide, also known with the abbreviation CTAB, is a quaternary ammonium surfactant with a condensed structural formula C16H33)N(CH3)3r. It is one of the components of the topical antiseptic cetrimide. The cetrimonium (hexadecyltrim ...
,
sodium hydroxide Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula . It is a white solid ionic compound consisting of sodium cations and hydroxide anions . Sodium hydroxide is a highly corrosive base (chemistry), ...
and
ascorbic acid Ascorbic acid is an organic compound with formula , originally called hexuronic acid. It is a white solid, but impure samples can appear yellowish. It dissolves freely in water to give mildly acidic solutions. It is a mild reducing agent. Asco ...
at a controlled pH (3.5). She demonstrated that
gold nanoparticle Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. The colloid is coloured usually either wine red (for spherical particles less than 100  nm) or blue-purple (for larger spherical partic ...
s functionalised with
1,10-phenanthroline 1,10-Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. The 1,10 refers to the location of the nitrogen atoms that replace CH's in the hydrocarbon called phenanthrene. Abbreviated " ...
could be used to sense
lithium ion A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li+ ions into electronically conducting solids to store energy. Li-ion batteries are characterized by higher specific energy, energy d ...
s in solution. The ligands of
1,10-phenanthroline 1,10-Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. The 1,10 refers to the location of the nitrogen atoms that replace CH's in the hydrocarbon called phenanthrene. Abbreviated " ...
bind to the
lithium ion A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li+ ions into electronically conducting solids to store energy. Li-ion batteries are characterized by higher specific energy, energy d ...
s, forming a complex that causes the
nanoparticles A nanoparticle or ultrafine particle is a particle of matter 1 to 100 nanometres (nm) in diameter. The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 100 nm in only two directions. At ...
to aggregate. Obare explored several ligands, including dipyrido
phenazine Phenazine is an organic compound with the formula (C6H4)2N2. It is a dibenzo annulation, annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red, indulines, and safranines (and the closely related eurhodines). Phe ...
(DPPZ) which changes colour when it binds to
lithium ion A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li+ ions into electronically conducting solids to store energy. Li-ion batteries are characterized by higher specific energy, energy d ...
s. The nanorods can form liquid crystalline phases. Obare was a
Camille and Henry Dreyfus Foundation The Camille and Henry Dreyfus Foundation is a New York City-based foundation founded in 1946 by chemist and investor Camille Dreyfus in honour of his brother, Henry Dreyfus. The two men invented the acetate yarn Celanese, and Henry Dreyfus was ...
fellow at
Johns Hopkins University The Johns Hopkins University (often abbreviated as Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland, United States. Founded in 1876 based on the European research institution model, J ...
working under the supervision of Gerald Meyer.


Career

In 2004 Obare joined
Western Michigan University Western Michigan University (Western Michigan, Western or WMU) is a Public university, public research university in Kalamazoo, Michigan, United States. It was initially established as Western State Normal School in 1903 by Governor Aaron T. B ...
as an assistant professor and promoted to tenure in 2009. She also works on nanomaterials for drug delivery and chemical sensing. She investigated
fluorescent Fluorescence is one of two kinds of photoluminescence, the emission of light by a substance that has absorbed light or other electromagnetic radiation. When exposed to ultraviolet radiation, many substances will glow (fluoresce) with color ...
chemosensors to monitor for
organophosphorous In organic chemistry, organophosphates (also known as phosphate esters, or OPEs) are a class of organophosphorus compounds with the general structure , a central phosphate molecule with alkyl or aromatic substituents. They can be considered a ...
.
Organophosphorous In organic chemistry, organophosphates (also known as phosphate esters, or OPEs) are a class of organophosphorus compounds with the general structure , a central phosphate molecule with alkyl or aromatic substituents. They can be considered a ...
can inhibit
cholinesterase The enzyme cholinesterase (EC 3.1.1.8, choline esterase; systematic name acylcholine acylhydrolase) catalyses the hydrolysis of choline-based esters: : an acylcholine + H2O = choline + a carboxylate Several of these serve as neurotransmitte ...
and can have severe environmental and health impacts. Obare was awarded an
National Science Foundation CAREER Award The National Science Foundation CAREER award is the most prestigious award presented by the National Science Foundation (NSF) of the United States Federal Government to support junior faculty who exemplify the role of teacher-scholars through rese ...
in 2006. This allowed her to develop multi-electron transfer catalysts. Obare is interested in multi-electron transfer. She has investigated
electron transfer Electron transfer (ET) occurs when an electron relocates from an atom, ion, or molecule, to another such chemical entity. ET describes the mechanism by which electrons are transferred in redox reactions. Electrochemical processes are ET reactio ...
from
heme Heme (American English), or haem (Commonwealth English, both pronounced /Help:IPA/English, hi:m/ ), is a ring-shaped iron-containing molecule that commonly serves as a Ligand (biochemistry), ligand of various proteins, more notably as a Prostheti ...
-functionalised
titanium dioxide Titanium dioxide, also known as titanium(IV) oxide or titania , is the inorganic compound derived from titanium with the chemical formula . When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or Colour Index Internationa ...
to
organohalide Halocarbon compounds are chemical compounds in which one or more carbon atoms are linked by covalent bonds with one or more halogen atoms (fluorine, chlorine, bromine or iodine – ) resulting in the formation of organofluorine compounds, orga ...
pollutants. She demonstrated that
organohalide Halocarbon compounds are chemical compounds in which one or more carbon atoms are linked by covalent bonds with one or more halogen atoms (fluorine, chlorine, bromine or iodine – ) resulting in the formation of organofluorine compounds, orga ...
s degrade via multi-electron pathways. She has explored new techniques to synthesise and characterise monodisperse nanoparticles. The nanoparticles can be used to detect bacteria in
waterborne diseases Waterborne diseases are conditions (meaning adverse effects on human health, such as death, disability, illness or disorders) caused by pathogenic micro-organisms that are transmitted by water. These diseases can be spread while bathing, washing ...
. Obare was appointed associate dean at
Western Michigan University Western Michigan University (Western Michigan, Western or WMU) is a Public university, public research university in Kalamazoo, Michigan, United States. It was initially established as Western State Normal School in 1903 by Governor Aaron T. B ...
in 2015. She was responsible for research, education, diversity and global engagement across the university. She believes that early authentic research is essential for
underrepresented group An underrepresented group describes a subset of a population that holds a smaller percentage within a significant subgroup than the subset holds in the general population. Specific characteristics of an underrepresented group vary depending on the ...
s to gain rational view of the world. From 2017 Obare served as Associate Vice President for Research at
Western Michigan University Western Michigan University (Western Michigan, Western or WMU) is a Public university, public research university in Kalamazoo, Michigan, United States. It was initially established as Western State Normal School in 1903 by Governor Aaron T. B ...
. Obare is an associate editor for the ''
Journal of Nanomaterials A journal, from the Old French ''journal'' (meaning "daily"), may refer to: *Bullet journal, a method of personal organization *Diary, a record of personal secretive thoughts and as open book to personal therapy or used to feel connected to onesel ...
''. She moved to the
University of North Carolina at Greensboro The University of North Carolina at Greensboro (UNCG or UNC Greensboro) is a public research university in Greensboro, North Carolina. It is part of the University of North Carolina, University of North Carolina system. It is accredited by the S ...
as dean of the Joint School of Nanoscience and Nanoengineering. In October 2023, Obare was named the Vice Chancellor for Research and Engagement at
University of North Carolina at Greensboro The University of North Carolina at Greensboro (UNCG or UNC Greensboro) is a public research university in Greensboro, North Carolina. It is part of the University of North Carolina, University of North Carolina system. It is accredited by the S ...
. Obare chairs the
American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...
Award for Incorporation of Sustainability into the Curriculum.


Awards and honours

*2006
National Science Foundation CAREER Award The National Science Foundation CAREER award is the most prestigious award presented by the National Science Foundation (NSF) of the United States Federal Government to support junior faculty who exemplify the role of teacher-scholars through rese ...
*2007
American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...
Dreyfus Lectureship Award *2009 Haenicke Institute for Global Education International Faculty Development Award *2009
International Union of Pure and Applied Chemistry The International Union of Pure and Applied Chemistry (IUPAC ) is an international federation of National Adhering Organizations working for the advancement of the chemical sciences, especially by developing nomenclature and terminology. It is ...
Young Observer Award *2009
National Science Foundation The U.S. National Science Foundation (NSF) is an Independent agencies of the United States government#Examples of independent agencies, independent agency of the Federal government of the United States, United States federal government that su ...
Materials Grant *2010 American Competitiveness and Innovation (ACI) Fellowship *2010 NOBCChE Lloyd N. Ferguson Young Scientist Award *2010 Science Spectrum Magazine Trailblazer Award *2012
National Organization for the Professional Advancement of Black Chemists and Chemical Engineers The National Organization for the Professional Advancement of Black Chemists and Chemical Engineers or NOBCChE (pronounced No-be-shay) is a nonprofit, professional organization. NOBCChE's goal is to increase the number of minorities in science, te ...
President’s Award


Books

* 2018 The Power and Promise of Early Research


References

{{DEFAULTSORT:Obare, Sherine African-American chemists American chemists 21st-century American chemists American women chemists Women physical chemists University of Southern California alumni West Virginia State University alumni Western Michigan University faculty University of North Carolina faculty Year of birth missing (living people) Living people American women academics 21st-century African-American women 21st-century African-American scientists 21st-century American women scientists