Medical Design Briefs - November 2024 - 40
turing too. For instance, their method
eliminates the need for additional energy
to cure, or harden, parts, making the
3D printing process more environmentally
friendly.
" This is a simple 3D processing method
that people could ultimately use in
their own academic labs as well as in industry
to improve the mechanical properties
of materials for a wide variety of
applications, " says first author Abhishek
Dhand, a researcher in the Burdick Lab
and doctoral candidate in the department
of bioengineering at the University
of Pennsylvania. " It solves a big problem
for 3D printing. "
Other co-authors on the paper include
Hannah Zlotnick, a postdoctoral
Rapid Test Detects Dopamine
The sensor could serve as
a low-cost tool for early
detection of neurological
disorders.
University of Central Florida
Orlando, FL
Dopamine, a neurotransmitter in our
brains, not only regulates our emotions
but also serves as a biomarker for the
screening of certain cancers and other
neurological conditions.
UCF researchers, led by UCF NanoScience
Technology Center professor
Debashis Chanda, have developed an
integrated optical sensor capable of
detecting dopamine directly from an
unprocessed blood sample. This sensor
may serve as a low-cost and efficient
screening tool for various neurological
conditions and cancers,
ultimately providing better outcomes
for patients.
The study was funded by the U.S. National
Science Foundation and was published
in Science Advances.
" This plasmonic biosensor
is extremely
sensitive to low concentrations
of biomolecules, which make them a
promising platform for specialized assays,
point-of-care applications in remote
locations, " says Chanda, the
study's principal investigator who also
has appointments in UCF's department
of physics and CREOL, the College
of Optics and Photonics. " In this
work, we demonstrated an all-optical,
surface-functionalized plasmonic biosensing
platform for the detection of
low concentrations of neurotransmitter
dopamine directly from diverse biological
samples which includes protein
solutions, artificial cerebrospinal
fluid, and unprocessed whole blood. "
40
researcher in the Burdick Lab, and National
Institute of Standards and Technology
(NIST) scientists Thomas Kolibaba
and Jason Killgore.
This article was written by Lisa Marshall
and Nicholas Goda, CU Boulder.
For more information, contact Jason
Burdick at jason.burdick@colorado.edu
or visit www.colorado.edu.
UCF NanoScience Technology Center Prof. Debashis Chanda developed an integrated optical sensor capable of
detecting dopamine directly from an unprocessed blood sample. The sensor may serve as a way to efficiently quantify
dopamine and use the results to screen for neurological disorders and conditions like Parkinson's disease or
depression. (Credit: Debashis Chanda)
Neurotransmitters play a vital role in
regulating neural function and overall
well-being in humans and animals, necessitating
a harmonious balance of neurological
hormones for optimal bodily
function, Chanda says. Dopamine serves
as a crucial transmitter, as it exerts significant
influence over cognitive processes
such as motor function or emotions like
happiness or pleasure. Disruptions in dopamine
levels are closely linked with various
neurodegenerative disorders such as
Parkinson's and Alzheimer's diseases,
neurodevelopmental conditions like attention
deficit hyperactivity disorder and
Tourette's Syndrome, and psychological
disorders such as bipolar disorder and
schizophrenia, Chanda says.
www.medicaldesignbriefs.com
Deviations from normal dopamine
levels can also serve as an important diagnostic
marker for certain types of cancers.
The precise and dependable measurement
of dopamine concentrations is
of utmost importance for advancing
pharmaceutical research and medical
therapies, Chanda says.
n How It Works
The plasmonic sensor is made of a tiny
gold pattern that causes electrons to
move together in waves. These waves,
called plasmons, become stronger with a
special optical setup. When a new molecule
enters the sensor's environment, it
changes how the electrons move, which
affects how light is reflected from the
Medical Design Briefs, November 2024
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Medical Design Briefs - November 2024
Table of Contents for the Digital Edition of Medical Design Briefs - November 2024
Medical Design Briefs - November 2024 - Intro
Medical Design Briefs - November 2024 - Sponsor
Medical Design Briefs - November 2024 - COV1a
Medical Design Briefs - November 2024 - COV1b
Medical Design Briefs - November 2024 - COV1
Medical Design Briefs - November 2024 - COV2
Medical Design Briefs - November 2024 - 1
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Medical Design Briefs - November 2024 - COV3
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