Biofilm Resilience: Molecular Mechanisms Driving Antibiotic Resistance in Clinical Contexts
Biology,
Journal Year:
2025,
Volume and Issue:
14(2), P. 165 - 165
Published: Feb. 6, 2025
Healthcare-associated
infections
pose
a
significant
global
health
challenge,
negatively
impacting
patient
outcomes
and
burdening
healthcare
systems.
A
major
contributing
factor
to
healthcare-associated
is
the
formation
of
biofilms,
structured
microbial
communities
encased
in
self-produced
extracellular
polymeric
substance
matrix.
Biofilms
are
critical
disease
etiology
antibiotic
resistance,
complicating
treatment
infection
control
efforts.
Their
inherent
resistance
mechanisms
enable
them
withstand
therapies,
leading
recurrent
increased
morbidity.
This
review
explores
development
biofilms
their
dual
roles
disease.
It
highlights
structural
protective
functions
EPS
matrix,
which
shields
populations
from
immune
responses
antimicrobial
agents.
Key
molecular
biofilm
including
restricted
penetration,
persister
cell
dormancy,
genetic
adaptations,
identified
as
barriers
effective
management.
implicated
various
clinical
contexts,
chronic
wounds,
medical
device-associated
infections,
oral
complications,
surgical
site
infections.
prevalence
hospital
environments
exacerbates
challenges
underscores
urgent
need
for
innovative
preventive
therapeutic
strategies.
evaluates
cutting-edge
approaches
such
DNase-mediated
disruption,
RNAIII-inhibiting
peptides,
DNABII
proteins,
bacteriophage
nanoparticle-based
solutions,
coatings,
lock
therapies.
also
examines
associated
with
biofilm-related
diagnostic
difficulties,
disinfectant
economic
implications.
emphasizes
multidisciplinary
approach
importance
understanding
dynamics,
role
pathogenesis,
advancements
strategies
combat
biofilm-associated
effectively
settings.
These
insights
aim
enhance
reduce
burden
diseases.
Language: Английский
Antibacterial Action of Curcumin Nanocrystals on Streptococcus Mutans
The Open Dentistry Journal,
Journal Year:
2025,
Volume and Issue:
19(1)
Published: March 20, 2025
Aims
The
present
study
aimed
to
investigate
the
antibacterial
and
antibiofilm
properties
adhesion
inhibitory
effect
of
curcumin
nanocrystals
compared
bulk
against
Streptococcus
mutans
.
Background
S.
is
main
aetiological
factor
in
tooth
decay.
Curcumin
has
been
used
various
studies
as
an
antimicrobial
agent
due
its
wide
traditional
uses
low
side
effects.
Despite
having
multiple
therapeutic
effects,
inherent
properties,
for
example,
poor
aquas
solubility,
bioavailability,
photodegradation,
chemical
instability,
rapid
metabolism,
short
half-life,
limit
pharmaceutical
significance.Recently,
newer
strategies
have
tried
overcome
these
pharmacological
issues
improve
curcumin's
efficacy.
nanoformulation
can
enhance
effectiveness
a
range
diseases,
especially
infectious
diseases.
Methods
evaluated
Minimum
Inhibitory
Concentration
(MIC),
biofilm
inhibitory,
actions
Results
results
showed
that
were
more
effective
than
MICs
spectrum
was
256-512
µg/mL
125-256
µg/mL,
respectively.
Both
inhibited
formation
(
p
<0.05),
bacterial
significantly
decreased
control
<0.05).
Conclusion
These
findings
using
mouthwashes
toothpaste
be
useful
preventing
dental
plaque.
Further
research
required
determine
stability
formulation
with
other
product
ingredients
assess
their
safety
efficacy
human
clinical
trials.
Language: Английский
Green Synthesis Of Zinc And Titanium Nanoparticles Using HG Seed Extract: A Sustainable Approach To Nanotechnology
Sujana Kariveda
No information about this author
African Journal of Biomedical Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 241 - 250
Published: Dec. 31, 2024
This
study
explores
the
biosynthesis
of
zinc
(Zn)
and
titanium
(Ti)
nanoparticles
(NPs)
using
HG
seed
extract
as
a
reducing
stabilizing
agent.
The
synthesis
was
initially
evidenced
by
visible
colour
change,
indicative
metal
ion
reduction
nanoparticle
formation.
UV-Vis
spectroscopy
confirmed
presence
Zn
TiNPs
through
distinct
SPR
peaks
at
270
nm
320
nm,
respectively.
SEM
revealed
spherical
with
sizes
ranging
from
135–225
for
NPs
84.2–138
TiNPs,
while
TEM
provided
high-resolution
insights,
confirming
their
uniform
morphology
crystalline
nature.
FTIR
identified
bioactive
compounds,
including
proteins
phenolics,
involved
in
stabilization,
showcasing
role
natural
capping
agents.
HG-mediated
green
process
produced
desirable
size,
morphology,
stability,
demonstrating
its
efficiency
eco-friendliness.
highlights
potential
sustainable
alternative
synthesis,
broad
applications
biomedicine,
environmental
remediation,
nanotechnology.
Language: Английский