The Role of Hydrogen Bond Interactions in Crystal Formation of Pyrrolo-Azines Alcohols
Crystals,
Journal Year:
2025,
Volume and Issue:
15(1), P. 78 - 78
Published: Jan. 15, 2025
New
secondary
alcohols
of
type
Ar-CHOH-hetaryl
and
MeCHOH-hetaryl,
the
radical
hetaryl
being
a
pyrroloazine,
were
investigated
in
solid
state
by
X-ray
single-crystal
diffraction
analysis,
Hirshfeld
analysis
DFT
methods
to
assess
their
crystallographic
features.
One
most
important
features
is
presence
hydroxyl
group
bonded
an
asymmetric
carbon
atom
which
was
involved
strong
hydrogen
bonds.
The
driving
force
crystal
packing
H-bond
with
O-H···O=C/N≡C
bonds
considered
as
comparative
carboxylic
acids.
These
structural
properties
binding
affinity
might
lead
enhanced
bioavailability
these
particular
pyrrolo-azines
Language: Английский
Designing Highly Ordered Helical and Nonhelical Porous Crystalline and Disordered Nonhelical Columnar Liquid Crystalline Self-Organizations
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(33), P. 22943 - 22949
Published: Aug. 8, 2024
Helical
self-organizations
are
equilibrium
structures
responsible
for
the
assembly
of
nonequilibrium
and
living
synthetic
systems.
Racemic
helical
columnar
systems
transform
into
one-handed
with
help
enantiomerically
rich
or
pure
components.
Racemic,
rich,
periodic
arrays
columns
analyzed
by
oriented
fiber
X-ray
diffraction
(XRD).
With
few
exceptions,
highly
ordered
3-D
organizations
as
generated
from
homochiral
cannot
be
obtained
achiral,
racemic,
columns.
Here,
we
report
an
unprecedented
class
nonhelical
porous
ordered,
disordered
liquid
crystalline
(LC)
liquids
constructed
AB
Language: Английский
Water-Mediated Chiral Resolution of Ag–NHC(Nucleobase) Complexes
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
This
study
reveals
a
novel
role
of
water
as
chiral
inducer,
demonstrating
its
ability
to
drive
the
asymmetric
resolution
prochiral
silver-nucleobase
complexes.
During
crystallization,
helical
columns
spontaneously
form,
selectively
recognizing
one
enantiomer
silver
complex.
enantiospecific
interaction
drives
separation
P
and
M
enantiomers,
leading
formation
enantiopure
crystals,
whose
chirality
was
confirmed
through
X-ray
crystallography.
Language: Английский
Quantum Health Accelerator® Ameliorates CFA-Induced Animal Model of Rheumatoid Arthritis: Investigating the Role of Immunomodulatory and Anti-Oxidative Effects
Ali Akbar Mohaddes,
No information about this author
Mohammad Saatchi,
No information about this author
Marziyeh Afshari Chamanabadi
No information about this author
et al.
Brain Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 232 - 232
Published: Feb. 23, 2025
Introduction:
Rheumatoid
arthritis
(RA)
is
a
systemic
inflammatory
and
autoimmune
disease
characterized
by
joint
swelling,
pain,
damage
to
the
cartilage,
disability.
In
present
study,
we
aimed
evaluate
anti-oxidant,
anti-inflammatory,
immune-modulatory
properties
of
Quantum
Health
Accelerator®
as
water
enriched
with
vital
bio-quantum
information/energy
(EW)
following
complete
Freund’s
adjuvant
(CFA)-induced
RA
in
rats.
Methods:
Forty
adult
male
Wistar
rats
(180–220
g)
were
divided
into
five
groups.
Arthritis
was
induced
on
day
one
using
single
subcutaneous
injection
CFA
left
hind
footpad
rat.
Rats
assigned
receive
methotrexate
(MTX,
2
mg/kg/week,
intraperitoneally),
EW
(orally,
instead
normal
ad
libitum),
or
their
combination
for
29
days.
The
anti-RA
activities
determined
paw
edema,
diameter,
score,
several
nociceptive
behavioral
tests
(thermal
hyperalgesia,
cold
allodynia,
tactile
allodynia).
levels
(TNF-α,
CRP,
RF,
anti-CCP),
anti-inflammatory
(IL-10),
oxidative
stress
(NO,
MDA,
GSH)
markers
measured
serum.
addition,
IFN-γ,
IL-4,
IL-17,
TGF-β
assessed
spleen-isolated
lymphocytes.
Results:
We
found
that
treatment
MTX,
EW,
remarkably
ameliorated
thermal
allodynia
results
CFA-induced
also
notably
attenuated
cytokines,
while
propagating
anti-oxidative
mediators.
Conclusions:
reveal
possesses
anti-arthritic
effects,
possibly
through
anti-oxidative,
immunomodulatory
properties.
Collectively,
may
be
promising
therapeutic
agent
treating
RA.
Language: Английский
Porous Helical Supramolecular Columns Self-Organized via the Fluorophobic Effect of a Semifluorinated Tapered Dendron
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Fluorophobic
effect
enhances
supramolecular
microsegregation.
Language: Английский
Partitioning / self‐assembly of artificial water channels ‐ toward controlled permselectivity through bilayer membrane
Dandan Su,
No information about this author
Arie van der Lee,
No information about this author
Mihail Bãrboiu
No information about this author
et al.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Sept. 20, 2024
Artificial
water
channels
(AWCs)
have
been
extensively
explored
to
mimic
natural
proteins,
which
enables
effectively
transport
while
blocking
ions.
As
one
of
the
first
AWCs,
self-assembled
I-quartets
(HCx)
showcased
high
water-permselectivity
that
can
be
enhanced
by
improving
their
distribution
and
stability
within
membrane.
The
use
long
alkyl
chains
(n>8)
is
constrained
low
solubility
aggregation.
Herein,
we
considered
cycloalkyl
moieties,
for
increase
favoring
partition
and/
self-assembly
behaviors
resulting
formation
effective
stable
water-channels
with
increased
permeability
in
bilayer
membranes.
This
class
cycloalkyl-ureido-ethyl-imidazole
amphiphilic
(CxUH)
channel
could
serve
as
a
new
reference
design
artificial
channels,
it
may
give
rise
applications
desalination
or
treatment.
Language: Английский
Partitioning / self‐assembly of artificial water channels ‐ toward controlled permselectivity through bilayer membrane
Dandan Su,
No information about this author
Arie van der Lee,
No information about this author
Mihail Bãrboiu
No information about this author
et al.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
137(1)
Published: Sept. 20, 2024
Abstract
Artificial
water
channels
(AWCs)
have
been
extensively
explored
to
mimic
natural
proteins,
which
enables
effectively
transport
while
blocking
ions.
As
one
of
the
first
AWCs,
self‐assembled
I‐quartets
(HCx)
showcased
high
water‐permselectivity
that
can
be
enhanced
by
improving
their
distribution
and
stability
within
membrane.
The
use
long
alkyl
chains
(
n
>8)
is
constrained
low
solubility
aggregation.
Herein,
we
considered
cycloalkyl
moieties,
for
increase
favoring
partition
and/
self‐assembly
behaviors
resulting
formation
effective
stable
water‐channels
with
increased
permeability
in
bilayer
membranes.
This
class
cycloalkyl‐ureido‐ethyl‐imidazole
amphiphilic
(CxUH)
channel
could
serve
as
a
new
reference
design
artificial
channels,
it
may
give
rise
applications
desalination
or
treatment.
Language: Английский