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Now showing items 10261-10270 of 10347
(−)-Paniculatol, a new ent-labdane bromoditerpene from Laurencia paniculata
(
Elsevier Science Ltd.
, 1997 , Article)
(−)-Paniculatol, 1, an unusual tricyclic bromoditerpene belonging to the ent-labdane series has been identified in the red alga Laurencia paniculata collected on Qatari coasts, Arabian Gulf. The structure displays an unusual ...
Self-organized TiO2 nanotube layer on Ti–6Al–7Nb for biomedical application
(
Elsevier B.V.
, 2015 , Article)
In the present study, a self-organized nanotube TiO2 layer on Ti–6Al–7Nb was fabricated. The influence of acidic electrolytes including glycerol (G) and ethylene glycol (EG) on the anodization, microstructural features and ...
Constitutive analysis for the quantification of hardness decay in a superlattice CrN/NbN hard-coating
(
Elsevier B.V.
, 2015 , Article)
In the present study, a constitutive analysis of the evolution of the mechanical response of a CrN/NbN superlattice coating exposed to high temperature has been performed. Parametric approaches were used to obtain a single ...
Axial crushing behavior and energy absorption efficiency of corrugated tubes
(
Elsevier, Ltd
, 2014 , Technical Report)
This paper presents the effect of corrugations on the crushing behavior, energy absorption, and failure mode of circular aluminum tubes. Experimental investigations were carried out on five geometrical types of corrugated ...
A computational model to predict the structural and functional consequences of missense mutations in O6-methylguanine DNA methyltransferase
(
Elsevier
, 2019 , Article)
DNA repair mechanism is a process through which the cell repairs its damaged DNA. Although there are several mechanisms involved in the DNA repair mechanisms, the direct reversal method is the simplest and does not require ...
A comprehensive review on the anti-cancer properties and mechanisms of action of sesamin, a lignan in sesame seeds (Sesamum indicum).
(
Elsevier
, 2017 , Article)
Sesamin is the major active ingredient is Sesamum indicum seeds. Several studies revealed that sesamin possesses potent anti-cancer properties. The anti-cancer effects of sesamin have been mainly attributed to its ...
Robust estimation of highly-varying nonlinear instantaneous frequency of monocomponent signals using a lower-order complex-time distribution
(
Elsevier B.V.
, 2013 , Article)
This paper proposes an approach for robust estimation of highly-varying nonlinear instantaneous frequency (IF) in monocomponent nonstationary signals. The proposed method is based on a lower order complex-time distribution ...
Canavan disease: an Arab scenario.
(
Elsevier Inc.
, 2015 , Article)
The autosomal recessive Canavan disease (CD) is a neurological disorder that begins in infancy. CD is caused by mutations in the gene encoding the ASPA enzyme. It has been reported with high frequency in patients with ...
A weight-management camp followed by weekly after-school lifestyle education sessions as an obesity intervention for Qatari children: a prospective cohort study
(
Elsevier
, 2015 , Conference Paper)
Background Weight-management camp interventions for obese children are eff ective for short-term weight loss. However, there is little evidence indicating how gains made with such interventions can be maintained in the ...
A computational overview on phylogenetic characterization, pathogenic mutations, and drug targets for Ebola virus disease
(
Elsevier
, 2021 , Article)
The World Health Organization declared Ebola virus disease(EVD) as the major outbreak in the 20th century. EVD was firstidentified in 1976 in South Sudan and the Democratic Republicof the Congo. EVD was transmitted from ...