Biosensors,
Journal Year:
2023,
Volume and Issue:
13(5), P. 554 - 554
Published: May 18, 2023
Natural
pigments
occur
in
plants
as
secondary
metabolites
and
have
been
used
safe
colourants
food.
Studies
reported
that
their
unstable
colour
intensity
might
be
related
to
metal
ion
interaction,
which
leads
the
formation
of
metal–pigment
complexes.
This
underlines
need
for
further
investigations
on
use
natural
detection
using
colorimetric
methods,
since
metals
are
important
elements
can
hazardous
when
present
large
amounts.
review
aimed
discuss
(mainly
betalains,
anthocyanins,
curcuminoids,
carotenoids,
chlorophyll)
reagents
portable
based
limits
detection,
determine
pigment
is
best
certain
metals.
Colorimetric-related
articles
over
last
decade
were
gathered,
including
those
involving
methodological
modifications,
sensor
developments,
a
general
overview.
When
considering
sensitivity
portability,
results
revealed
betalains
applied
copper,
smartphone-assisted
sensor;
curcuminoids
lead,
curcumin
nanofiber;
anthocyanin
mercury,
hydrogel.
provides
new
perspective
instability
with
modern
developments.
In
addition,
coloured
sheet
representing
concentrations
may
useful
standard
support
on-site
trials
masking
agents
improve
selectivity.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: March 11, 2023
Abstract
The
frequent
outbreak
of
global
infectious
diseases
has
prompted
the
development
rapid
and
effective
diagnostic
tools
for
early
screening
potential
patients
in
point-of-care
testing
scenarios.
With
advances
mobile
computing
power
microfluidic
technology,
smartphone-based
health
platform
drawn
significant
attention
from
researchers
developing
devices
that
integrate
optical
detection
with
artificial
intelligence
analysis.
In
this
article,
we
summarize
recent
progress
these
platforms,
including
aspects
chips,
imaging
modalities,
supporting
components,
software
algorithms.
We
document
application
platforms
terms
objects,
molecules,
viruses,
cells,
parasites.
Finally,
discuss
prospects
future
platforms.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(18)
Published: May 3, 2023
Skin-interfaced
wearable
systems
with
integrated
microfluidic
structures
and
sensing
capabilities
offer
powerful
platforms
for
monitoring
the
signals
arising
from
natural
physiological
processes.
This
paper
introduces
a
set
of
strategies,
processing
approaches,
designs
that
harness
recent
advances
in
additive
manufacturing
[three-dimensional
(3D)
printing]
to
establish
unique
class
epidermal
("epifluidic")
devices.
A
3D
printed
epifluidic
platform,
called
"sweatainer,"
demonstrates
potential
true
design
space
microfluidics
through
fabrication
fluidic
components
previously
inaccessible
complex
architectures.
These
concepts
support
integration
colorimetric
assays
facilitate
situ
biomarker
analysis
operating
mode
analogous
traditional
systems.
The
sweatainer
system
enables
new
sweat
collection,
termed
multidraw,
which
facilitates
collection
multiple,
independent
samples
either
on-body
or
external
analysis.
Field
studies
demonstrate
practical
these
concepts.
Microsystems & Nanoengineering,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Sept. 21, 2023
In
this
paper,
we
review
the
integration
of
microfluidic
chips
and
computer
vision,
which
has
great
potential
to
advance
research
in
life
sciences
biology,
particularly
analysis
cell
imaging
data.
Microfluidic
enable
generation
large
amounts
visual
data
at
single-cell
level,
while
vision
techniques
can
rapidly
process
analyze
these
extract
valuable
information
about
cellular
health
function.
One
key
advantages
integrative
approach
is
that
it
allows
for
noninvasive
low-damage
characterization,
important
studying
delicate
or
fragile
microbial
cells.
The
use
provides
a
highly
controlled
environment
growth
manipulation,
minimizes
experimental
variability
improves
accuracy
analysis.
Computer
be
used
recognize
target
species
within
heterogeneous
populations,
understanding
physiological
status
cells
complex
biological
systems.
As
hardware
artificial
intelligence
algorithms
continue
improve,
expected
become
an
increasingly
powerful
tool
situ
microelectromechanical
devices
combination
with
could
development
label-free,
automatic,
low-cost,
fast
recognition
high-throughput
responses
different
compounds,
broad
applications
fields
such
as
drug
discovery,
diagnostics,
personalized
medicine.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(2), P. 545 - 556
Published: Jan. 23, 2024
The
exploration
of
emerging
functionalized
quantum
dots
(QDs)
through
modulating
the
effective
interaction
between
sensing
element
and
target
analyte
is
great
significance
for
high-performance
trace
sensing.
Here,
chromone-based
ligand
grafted
QDs
(QDs-Chromone)
were
initiated
to
realize
electronic
energy
transfer
(EET)
driven
specifically
by
ethylenediamine
(EDA)
in
absence
spectral
overlap.
fluorescent
colorimetric
dual-mode
responses
(from
red
blue
from
colorless
yellow,
respectively)
resulting
expanded
conjugated
ligands
reinforced
analytical
selectivity,
endowing
an
ultrasensitive
specific
response
submicromolar-liquid
EDA.
In
addition,
a
QDs-Chromone-based
chip
was
constructed
achieve
recognition
EDA
vapor
with
naked-eye
observed
at
concentration
as
low
10
ppm,
well
robust
anti-interfering
ability
complicated
scenarios
monitoring.
We
expect
proposed
EET
strategy
shaping
will
shine
light
on
both
rational
probe
design
methodology
deep
mechanism
exploration.
Computer Science Review,
Journal Year:
2024,
Volume and Issue:
52, P. 100636 - 100636
Published: May 1, 2024
Raspberry
Pi
is
an
invaluable
and
popular
prototyping
tool
in
scientific
research
for
experimenting
with
a
wide
variety
of
ideas,
ranging
from
simple
to
complex
projects.
This
review
article
explores
how
used
various
studies,
discussing
its
pros
cons
along
applications
domains
such
as
home
automation,
agriculture,
healthcare,
industrial
control,
advanced
research.
Our
aim
provide
useful
resource
researchers,
educators,
students,
product
developers,
enthusiasts,
helping
them
grasp
the
current
status
discover
new
possibilities
using
Pi.
ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(49), P. 54527 - 54538
Published: Dec. 1, 2022
Low-cost,
instrument-free
colorimetric
tests
were
developed
to
detect
SARS-CoV-2
using
plasmonic
biosensors
with
Au
nanoparticles
functionalized
polyclonal
antibodies
(f-AuNPs).
Intense
color
changes
noted
the
naked
eye
owing
plasmon
coupling
when
f-AuNPs
form
clusters
on
virus,
high
sensitivity
and
a
detection
limit
of
0.28
PFU
mL-1
(PFU
stands
for
plaque-forming
units)
in
human
saliva.
Plasmon
was
corroborated
computer
simulations
finite-difference
time-domain
(FDTD)
method.
The
strategies
based
preparing
are
robust
permit
via
dynamic
light
scattering
UV-vis
spectroscopy
without
interference
from
other
viruses,
such
as
influenza
dengue
viruses.
diagnosis
made
smartphone
app
after
processing
images
collected
camera,
measuring
concentration
SARS-CoV-2.
Both
image
machine
learning
algorithms
found
provide
COVID-19
100%
accuracy
saliva
samples.
In
subsidiary
experiments,
we
observed
that
biosensor
could
be
used
virus
river
waters
pretreatment.
With
fast
responses
requiring
small
sample
amounts
(only
20
μL),
these
can
deployed
any
location
within
point-of-care
paradigm
epidemiological
control.
CIRP journal of manufacturing science and technology,
Journal Year:
2022,
Volume and Issue:
38, P. 631 - 649
Published: June 23, 2022
Infrastructure
monitoring
and
rapid
quality
diagnosis
comprise
the
key
solutions
to
achieve
zero-defect
smart
manufacturing.
The
most
fundamental
systems
in
manufacturing
industries
are
computer
numerical
controlled
(CNC)
tools.
Automating
optimizing
their
functionality
is
a
highly
challenging
task
because
complex
dynamics
non-linear
relationships
govern
overall
machining
operations.
Recent
scientific
advances
processes,
incorporate
intelligence
CNC
tools
improve
both
reliability
productivity
of
real-time
cutting
operations,
while
reducing
waste
cost.
This
study
extensively
reviews
these
focusing
on
three
aspects:
Surface
roughness
prediction,
tool
wear
chatter
detection
processes.
TrAC Trends in Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
158, P. 116863 - 116863
Published: Dec. 1, 2022
Smartphones
are
ubiquitous
in
modern
society;
2021,
the
number
of
active
subscriptions
surpassed
6
billion.
These
devices
have
become
more
than
a
means
communication;
smartphones
powerful,
continuously
connected,
miniaturized
computers
capable
passively
and
actively
collecting
(private)
information
for
us
from
us.
Their
implementation
as
detectors
or
instrumental
interfaces
emerging
smartphone-based
(bio)sensors
(SbSs)
has
facilitated
shift
towards
portable
point-of-care
platforms
healthcare
point-of-need
systems
food
safety,
environmental
monitoring,
forensic
applications.
familiar,
handheld
capacity
to
popularize
analytical
chemistry
by
simplifying
complicated
laboratory
protocols
automating
advanced
data
handling
without
requiring
expensive
equipment
trained
analysts.
To
elucidate
technological,
legal,
ethical
challenges
associated
with
developing
SbSs,
we
reviewed
existing
literature
(2016–2021),
providing
an
in-depth
critical
analysis
state-of-the-art
optical
electrochemical
SbSs.
This
revealed
key
areas
consider
which
will
address
set
review
papers.
Part
I
(this
review)
(i)
how
SbS
acquired
processed
(ii)
privacy
protection
strategies
keep
this
secure.
II
then
focus
on
(iii)
development
validation
biosensors
(iv)
assess
usability
(potential)
social
impact
Finally,
these
insights
applied
generate
proposed
best
practices
help
guide
future
