Multi‐Purpose Fluorescent Powder: Development of Latent Fingerprints and Glove Prints
ChemistrySelect,
Год журнала:
2024,
Номер
9(12)
Опубликована: Март 21, 2024
Abstract
A
novel
hydroxy
benzothiazole
based
yellow
fluorescent
powder
(labelled
as
2
‐SiO
)
was
prepared
by
adsorption
of
on
silica
(4
%
w
/
for
visualization
latent
fingerprints
(LFPs)
and
glove
prints
using
dusting
method.
The
solid‐state
spectrum
shows
emission
peak
at
550
nm
with
CIE‐1931
coordinates
(
0.42,
0.50
colour
purity
is
58.6
%.
high
fluorescence
in
the
could
be
attributed
to
AIE+ESIPT
features.
Due
powder,
imaging
LFPs
a
variety
porous
non‐porous
substrates
including
prints,
up
levels
1–3,
without
any
post‐treatment
has
been
achieved.
showed
strong
interaction
D‐Glucose,
urea
lactate
components
present
sweat.
practical
applications
have
demonstrated
analysis
LFPs,
development
different
temperatures;
aged,
stained
preservation
developed
documentation
purposes.
Язык: Английский
Aggregation induced emission-based materials for fluorescence imaging of latent fingerprints using wet and powder dusting methods: Effect of physical factors and tape lifting
Rajdeep Kaur,
Dharmendra Gahalot,
Prakash Chandra Mishra
и другие.
Journal of Photochemistry and Photobiology A Chemistry,
Год журнала:
2024,
Номер
457, С. 115899 - 115899
Опубликована: Июль 14, 2024
Язык: Английский
Magical fluorescent powder and ink for instantaneous imaging of latent fingerprints (level 1–3) and anti-counterfeiting labels
Results in Chemistry,
Год журнала:
2024,
Номер
7, С. 101310 - 101310
Опубликована: Янв. 1, 2024
In
the
fingerprint
research
area,
development
of
'old'
fingerprints
(FPs)
or
FPs
taken
on
porous,
smooth
surfaces,
preservation
developed
and
visualization
sweat
pores
are
unsolved
issues.
this
report,
we
have
synthesized
explored
4,5-bis(diethylene
glycol)
functionalized
1,8-naphthalimide
(Naph-DG)
dye
for
addressing
these
The
Naph-DG
possesses
high
quantum
yield
(φ
=
4.22)
in
solid-state
suitable
latent,
old,
stained
using
powder
dusting
method
non-porous
coloured
surfaces
up
to
levels
1–3.
Depending
upon
hydrophobicity
surface,
Chameleon
emits
blue,
blue-greenish
greenish
fluorescence
ridges
FPs.
practical
applicability
was
demonstrated
case
studies.
with
can
be
lifted
scotch
tape
preservation.
also
used
(i)
as
a
fluorescent
ink
anti-counterfeiting
labels
(ii)
molecular
recognition
Fe3+
low
42
nM
CH3CN.
Язык: Английский
Density Functional Theory in Forensic Science: Applications and Challenges
Wiley Interdisciplinary Reviews Forensic Science,
Год журнала:
2025,
Номер
7(1)
Опубликована: Янв. 20, 2025
ABSTRACT
Forensic
science
is
evolving
to
tackle
increasingly
complex
criminal
investigations,
where
traditional
methods
may
fall
short.
This
review
examines
how
computational
chemistry
enhances
forensic
techniques
by
providing
detailed
insights
into
molecular
interactions,
reaction
mechanisms,
and
spectroscopic
properties.
A
particular
focus
placed
on
density
functional
theory
(DFT),
which
has
emerged
as
a
powerful,
cost‐effective
tool
that
balances
efficiency
accuracy,
making
it
ideal
for
studying
wide
range
of
compounds
without
the
need
physical
samples.
Applications
discussed
include
analysis
new
psychoactive
substances
(NPS),
detection
food
adulterants,
development
chemical
sensors,
examination
luminol
blood
detection,
fingerprint
visualization,
explosives.
Key
advances
in
various
DFT
functionals
are
highlighted,
along
with
prospects
integrating
machine
learning
sustainable
practices
further
expand
its
impact
science.
Язык: Английский
A novel TICT-based molecular rotor: synthesis, crystal structure and application in high resolution imaging of sweat pores
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(48), С. 19424 - 19434
Опубликована: Янв. 1, 2024
We
report
the
synthesis
and
crystal
structure
of
a
naphthalimide–methoxyquinoline
(NI–HQ)
based
molecular
rotor
for
visualizing
sweat
pores
without
degradation
dsDNA
present
in
sweat.
Язык: Английский
Extract of Papaver Rhoeas for Daylight Imaging of Latent Fingerprints
ChemistrySelect,
Год журнала:
2024,
Номер
9(37)
Опубликована: Окт. 1, 2024
Abstract
The
extraction
of
natural
red
dye
(PR)
from
the
flower
Papaver
rhoeas
(common
poppy)
and
its
adsorption
on
montmorillonite
clay
(PR@MM)
was
reported.
powder
PR@MM
used
for
development
visualization
LFPs
taken
common
household,
nonporous,
colored
surfaces
in
daylight
using
dusting
method
without
any
pre‐
or
posttreatment
equipment.
information
level
1
(ridge
classification)
2
(minutiae
details)
fingerprint
can
be
obtained
powder.
Язык: Английский
Pseudo‐Crown Ether‐based Host for the Recognition of Pd2+ and Fe3+ ions in Water
ChemistrySelect,
Год журнала:
2023,
Номер
8(43)
Опубликована: Ноя. 14, 2023
Abstract
The
development
of
coordination‐based
host
for
the
detection
heavy
metal
ions
in
aqueous
medium
is
a
challenging
task.
We
report
1,8‐naphthalimide‐based
pseudo‐crown
ether
which
possess
hexaethylene
glycol
chain
selective
binding
Pd
2+
and
Fe
3+
with
higher
affinity
over
ions.
lowest
limits
are
2.5
nM
15
nM,
respectively.
Job's
Hill
plot
showed
1
:
stochiometric
complexation
between
NHG
:M
n+
constants
1.4×10
4
M
−1
(Pd
)
1.5×10
3
(Fe
).
CIE
90
%
blue
colour
purity
CHCl
solution.
In
solid‐state,
blue‐green
52.7
green
high
quantum
yield
(ϕ=0.0643).
flake‐like
aggregates
transformed
into
spherical
structure
upon
interaction
as
confirmed
by
microscopic
light
scattering
studies.
Язык: Английский