InTech eBooks,
Journal Year:
2017,
Volume and Issue:
unknown
Published: July 5, 2017
Gemini
cationic
surfactants
are
compounds
which
composed
of
two
hydrophilic
head
groups
and
hydrophobic
tails
linked
by
a
spacer
at
the
or
closed
to
them.
The
can
be
either
hydrophilic.
It
rigid
flexible.
neutral
charge
molecule
is
retained
presence
organic
inorganic
counterions.
Critical
micelle
concentrations
(CMCs),
surface
tension
(γ)
minimal
inhibitory
concentration
(MIC)
dozen
times
lower
than
corresponding
parameters
monomeric
surfactants.
unique
properties
gemini
with
wide
range
hydrophilic-lipophilic
balance
(HLB)
make
them
very
useful,
innovative
material
in
detergents,
cosmetics,
personal
care
products,
additives
for
paints
coatings,
biocides,
science,
synthesis,
pharmacy,
textiles,
enhanced
oil
recovery,
nanotechnology,
petroleum
many
other
branches
life.
A
large
number
papers
concerning
have
been
published
so
far.
This
review
presents
synthetic
look
current
work
devoted
structure,
synthesis
applications
Advanced Science,
Journal Year:
2021,
Volume and Issue:
8(19)
Published: Aug. 5, 2021
Healthcare-acquired
infections
as
well
increasing
antimicrobial
resistance
have
become
an
urgent
global
challenge,
thus
smart
alternative
solutions
are
needed
to
tackle
bacterial
infections.
Antibacterial
materials
in
biomedical
applications
and
hospital
hygiene
attracted
great
interest,
particular,
the
emergence
of
surface
design
strategies
offer
effective
antibiotics,
thereby
preventing
possible
development
resistance.
In
this
review,
recent
progress
on
advanced
modifications
prevent
addressed
comprehensively,
starting
with
key
factors
against
adhesion,
followed
by
varying
that
can
inhibit
biofilm
formation
effectively.
Furthermore,
"super
antibacterial
systems"
through
pre-treatment
defense
targeted
bactericidal
system,
proposed
evidence
clinical
potential.
Finally,
advantages
future
challenges
resist
healthcare-associated
discussed,
promising
prospects
developing
novel
materials.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(42)
Published: July 23, 2021
Abstract
Excessive
and
unwarranted
administration
of
antibiotics
has
invigorated
the
evolution
multidrug‐resistant
microbes.
There
is,
therefore,
an
urgent
need
for
advanced
active
compounds.
Ionic
liquids
with
short‐lived
ion‐pair
structures
are
highly
tunable
have
diverse
applications.
Apart
from
their
unique
physicochemical
features,
newly
discovered
biological
activities
ionic
fascinated
biochemists,
microbiologists,
medical
scientists.
In
particular,
antimicrobial
properties
opened
new
vistas
in
overcoming
current
challenges
associated
combating
antibiotic‐resistant
pathogens.
Discussions
regarding
liquid
derivatives
monomeric
polymeric
forms
presented
here.
The
mechanism
parameters
that
affect
activities,
such
as
chain
length,
cation/anion
type,
cation
density,
polymerization,
considered.
potential
applications
biomedical
arena,
including
regenerative
medicine,
biosensing,
drug/biomolecule
delivery,
to
stimulate
scientific
community
further
improve
efficacy
liquids.
Advanced Functional Materials,
Journal Year:
2019,
Volume and Issue:
29(30)
Published: June 4, 2019
Abstract
Recently,
antimicrobial
photodynamic
therapy
(aPDT)
has
been
considered
as
an
attractive
treatment
option
for
biofilms
ablation.
However,
even
very
efficient
photosensitizers
(PSs)
still
need
high
light
doses
and
PS
concentrations
to
eliminate
due
the
limited
penetration
diffusion
of
PSs
in
biofilms.
Moreover,
hypoxic
microenvironment
rapid
depletion
oxygen
during
PDT
severely
limit
their
therapeutic
effects.
Herein,
first
time,
a
porphyrin‐based
metal
organic
framework
(pMOF)
dots–based
nanoplatform
with
effective
biofilm
penetration,
self‐oxygen
generation,
enhanced
efficiency
is
synthesized
bacterial
eradication.
The
function‐adaptive
composed
pMOF
dots
encapsulated
by
human
serum
albumin–coated
manganese
dioxide
(MnO
2
).
pH/H
O
‐responsive
decomposition
MnO
triggers
release
ultra‐small
positively
charged
simultaneously
generates
situ
alleviate
hypoxia
released
reactive
species
yield
can
effectively
penetrate
into
biofilms,
strongly
bind
cell
surface,
ablate
Importantly,
such
realize
great
outcomes
Staphylococcus
aureus
–infected
subcutaneous
abscesses
vivo
without
damage
healthy
tissues,
which
offers
promising
strategy
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(26)
Published: July 19, 2022
Current
interest
toward
ionic
liquids
(ILs)
stems
from
some
of
their
novel
characteristics,
like
low
vapor
pressure,
thermal
stability,
and
nonflammability,
integrated
through
high
conductivity
broad
range
electrochemical
strength.
Nowadays,
represent
a
new
category
chemical-based
compounds
for
developing
superior
multifunctional
substances
with
potential
in
several
fields.
ILs
can
be
used
solvents
such
as
salt
electrolyte
additional
materials.
By
adding
functional
physiochemical
variety
IL-based
electrolytes
also
energy
storage
purposes.
It
is
hoped
that
the
present
review
will
supply
guidance
future
research
focused
on
polymer
nanocomposites
sensors,
performance,
biomedicine,
environmental
applications.
Additionally,
comprehensive
overview
about
polymer-based
composites'
components,
including
classification
types
matrix
available
provided
this
review.
More
focus
placed
upon
ILs-based
polymeric
multiple
applications
biosensors,
energy-related
materials,
actuators,
environmental,
aviation
aerospace
industries.
At
last,
existing
challenges
prospects
field
are
discussed
concluding
remarks
provided.
ACS Applied Materials & Interfaces,
Journal Year:
2017,
Volume and Issue:
9(24), P. 20895 - 20903
Published: June 1, 2017
Copper
(Cu)
nanoparticles
possess
unusual
electrical,
thermal,
and
optical
properties.
However,
applications
of
these
materials
are
often
limited
by
their
tendency
to
oxidize.
We
prepared
Cu
a
simple
polyol
method,
with
good
control
over
the
particle
size.
The
reaction
required
no
inert
atmosphere
or
surfactant
agents.
as-prepared
showed
resistance
oxidation
in
solution.
These
were
then
incorporated
into
biocompatible
polysaccharide
hydrogel,
which
further
stabilized
nanoparticles.
hybrid
hydrogel
exhibited
rapid
self-healing
ability.
Because
excellent
photothermal
conversion
properties
embedded
nanoparticles,
temperature
elevation
under
laser
irradiation.
cytotoxicity;
however,
irradiation
displayed
antibacterial
owing
heating
effects.
This
study
demonstrates
that
our
may
have
biomedical
fields
therapy.
Colloids and Interfaces,
Journal Year:
2018,
Volume and Issue:
2(3), P. 35 - 35
Published: Aug. 26, 2018
The
environment
pollution
with
hydrophobic
hydrocarbons
is
a
serious
problem
that
requires
development
of
efficient
strategies
would
lead
to
bioremediation
contaminated
areas.
One
the
common
methods
used
for
enhancement
biodegradation
pollutants
addition
biosurfactants.
Several
mechanisms
have
been
postulated
as
responsible
bioavailability
They
include
solubilization
and
desorption
well
modification
bacteria
cell
surface
properties.
presented
review
contains
wide
discussion
these
in
context
alteration
efficiency
It
brings
new
light
such
complex
important
issue.
ACS Applied Materials & Interfaces,
Journal Year:
2018,
Volume and Issue:
11(3), P. 2790 - 2801
Published: Dec. 27, 2018
The
development
of
bacterial
resistant
strains
is
a
global
health
concern.
Designing
antibiotics
that
limit
the
rise
pathogenic
resistance
essential
to
efficiently
treat
infections.
Self-assembling
amphiphilic
molecules
are
an
intriguing
platform
for
treatment
pathogens
because
their
ability
disrupt
membranes
and
function
as
drug
nanocarriers.
We
have
designed
cationic
peptide
amphiphiles
(PAs)
can
form
micelles,
nanofibers,
twisted
ribbons
with
aim
understanding
antimicrobial
activity
at
supramolecular
level.
found
micelle-forming
PAs
possess
excellent
against
various
Gram-positive
Gram-negative
pathogens,
such
methicillin-resistant
Staphylococcus
aureus
(MRSA)
multidrug-resistant
Klebsiella
pneumoniae
minimal
inhibitory
concentrations
(MICs)
ranging
between
1
8
μg/mL,
when
compared
nanofibers
MICs
>32
μg/mL.
data
suggest
depends
on
morphology,
amino
acid
sequence,
length
alkyl
tail,
overall
hydrophobicity
PA.
Scanning
electron
microscopy,
confocal
flow
cytometry
studies
using
MRSA
Escherichia
coli
K12
showed
increase
cell
membrane
permeability
integrity
pathogen's
membrane,
leading
lysis
death.
promising
develop
new
antimicrobials
could
work
nanocarriers
synergistic
antibacterial
therapies.
