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Essential oils of some medicinal plants and their biological activities: a mini review
Tập 9 Số 1 - Trang 40-49 - 2023
AbstractMedicinal herbs have an essential function in health and therapy.
Bioactives of medicinal plants showed fewer side effects than manufactured drugs
and their antioxidant properties are responsible for their different therapeutic
properties. Essential oils (EOs) are an aromatic mixture of active components
with a strong aroma obtained from aromatic plants. Natural EOs are composed of
monoter...
Physically and chemically-crosslinked L-arginine-loaded polyvinyl alcohol- hyaluronic acid- cellulose nanocrystals hydrogel membranes for wound healing: influence of crosslinking methods on biological performance of membranes in-Vitro
Tập 9 Số 3 - Trang 304-316 - 2023
AbstractTwo types of polyvinyl alcohol-blended hyaluronic acid and cellulose
nanocrystals (PVA/HA/CNCs) hydrogels membranes were developed as delivery agents
for L-arginine using chemical/and/physical crosslinking methods for exploring
biological performance of the obtained membranes. Chemically and
physically/crosslinked membranes were fabricated by solution-casting and
freeze-thawing techniques,...
Biogenic Mg doped CeO2 nanoparticles via Hibiscus sabdariffa and its potential biological applications
- 2023
AbstractCancer and inflammation are important challenges and leading causes of
death worldwide. Development of nanomaterial based therapeutic compounds
obtained from natural products is thought to be a pillar in drug discovery. The
present research describes the cytotoxicity, anti-inflammatory and antioxidant
activities of cerium oxide (CeO2) and magnesium (Mg) doped CeO2 nanoparticles
(NPs). Hibi...
A study of summable QTAG-modules
- 2022
AbstractThis manuscript deals with the quasi-isomorphic invariants for QTAG
modules; specially the cases when the module is summable, $$\sigma $$ σ
-summable, $$(\omega +n)$$ ( ω + n ) -projective or HT -module. We show that if
for a QTAG module M with a submodule N such that M/N is bounded, then M is
weakly $$\omega _1$$ ω 1 -separable if and only if N is weakly $$\omega _1$$ ω 1
-separable....
Review on synthesis of novel carbonyl derivatives of biological macromolecules by oxidation of polysaccharides with permanganate ion in alkaline media
AbstractSynthesis of mono- and diketones as carbonyl group derivatives in
biomacromolecular chemistry is very essential task for industrial biotechnology
applications. However, there are various techniques to synthesize such carbonyl
groups, the most common and efficient methods are the chemical oxidation of
alcoholic biological macromolecule by suitable oxidizing agents. Therefore,
diversified ox...
Investigation of physico-chemical properties and evaluation of the biological potential of essential oil extracted from Artemisia pallens
Tập 9 Số 4 - Trang 494-507 - 2023
AbstractArtemisia pallens, an aromatic and medicinal plant occasionally referred
to as Davana is a member of the Asteraceae family. Understanding the
physiochemical and therapeutic properties of Davana essential oil (DEO) is the
major aim of this study. Essential oil from plant material was extracted using
the hydro-distillation method. Examination of the phytochemical components and
several plant...
Solitary wave solutions of the MRLW equation using a spatial five-point stencil of finite difference approximation
- 2023
AbstractThis paper proposes a finite difference scheme with a three-level time
and a five-point stencil in space to solve an initial boundary value problem for
the MRLW equation. The scheme is shown to be marginally stable and convergent
with a fourth-order convergence in the space direction and a second-order
convergence in the time variable direction with regard to the maximum norm. The
conserva...
Spectrophotometric quantification of amitriptyline hydrochloride in pharmaceutical tablets: method development and validation
AbstractThe development and validation of two uncomplicated, selective, and
non-extraction-based visible spectrophotometric methods was carried out for the
quantification of a tricyclic antidepressant amitriptyline hydrochloride as
pharmaceutical tablets as well as in its pure form. The methods rely on the
formation of ion pair complexes between amitriptyline base and two acidic dyes,
bromothymol ...
Energy levels, lifetimes, and transition probabilities for Sr XXXII
- 2023
AbstractThe fully relativistic multiconfiguration Dirac–Hartree–Fock (MCDHF)
approach was used to calculate the excitation energies and lifetimes for the
lowest 272 levels that belonging to the $$2{s}^{2}2{p}^{3}$$ 2 s 2 2 p 3 ,
$$2s2{p}^{4}$$ 2 s 2 p 4 , $$2{p}^{5}$$ 2 p 5 , $$2{s}^{2}2{p}^{2}3l$$ 2 s 2 2 p
2 3 l , $$2s2{p}^{3}3l$$ 2 s 2 p 3 3 l , and $$2{p}^{4}3l$$ 2 p 4 3 l ($$l=s, p,
d$$ l = s...
Green extraction of anthocyanins from Syzygium cumini fruit pulp using aqueous glycerol through ultrasound-assisted extraction
AbstractAqueous glycerol is a proposed green extractant for anthocyanins and
polyphenols as an alternative to conventional solvents. The aim of this study
was to investigate the potential use of aqueous glycerol to extract anthocyanins
from Syzygium cumini fruit pulp with high yields. The ultrasound-assisted
extraction process was also examined to enhance the extraction yield. The
application of u...