تصفح حسب المؤلف "Ahmed, R."
السجلات المعروضة 1 -- 20 من 24
-
Application of response surface methodology and box-behnken design for the optimization of the stability of fibrous dispersion used in drilling and completion operations
( American Chemical Society , 2021 , Article)Fibers are extensively used as a fluid additive in the oil and gas industry to improve hole-cleaning performance, control fluid filtration loss, and enhance hydraulic fracturing effectiveness. Generally, a small amount of ... -
Bone marrow mesenchymal stem cells preconditioned with nitric-oxide-releasing chitosan/PVA hydrogel accelerate diabetic wound healing in rabbits
( IOP Publishing Ltd , 2021 , Article)Impaired diabetic wounds are one of the major pathophysiological complications caused by persistent microbial infections, prolonged inflammation, and insufficient angiogenic responses. Here, we report the development of ... -
CFD analysis of turbulent flow of power-law fluid in a partially blocked eccentric annulus
( MDPI AG , 2021 , Article)This study focuses on analyzing the turbulent flow of drilling fluid in inclined wells using the Computational Fluid Dynamics (CFD) technique. The analysis is performed considering an annulus with a fixed eccentricity of ... -
CFD modeling of particle settling in drilling fluids: Impact of fluid rheology and particle characteristics
( Elsevier B.V. , 2021 , Article)The settling of drilling cuttings is important for the drilling and clean-out operations. The current article provides a Computational Fluid Dynamics (CFD) modeling study of particle settling behavior during the drilling ... -
Corrigendum to: Reduced Graphene Oxide Incorporated GelMA Hydrogel Promotes Angiogenesis for Wound Healing Applications [Corrigendum] (Int J Nanomedicine. 2019;14:9603-9617)
( Dove Medical Press Ltd , 2022 , Other)The authors have advised that an error was made during the preparation of the wound healing scratch assay images shown in Figure 6 on page 9613. All the original data was retained and a correct image for the GrG4, Endothelial, ... -
Development of nitric oxide releasing visible light crosslinked gelatin methacrylate hydrogel for rapid closure of diabetic wounds
( Elsevier Masson s.r.l. , 2021 , Article)Management of non-healing and slow to heal diabetic wounds is a major concern in healthcare across the world. Numerous techniques have been investigated to solve the issue of delayed wound healing, though, mostly unable ... -
Electrodeposited white bronzes on brass: Corrosion in 3.5 % sodium chloride solution
( Elsevier , 2020 , Article)White bronzes are electrodeposited coatings applied on brass as surface finishes. We report a comparative study on the corrosion resistance in chloride aqueous environment of two white bronzes, a Zn-bearing and a Zn-free. ... -
Electrospun chitosan membranes containing bioactive and therapeutic agents for enhanced wound healing
( Elsevier B.V. , 2020 , Article)Electrospinning is one of the most promising techniques for generating porous, nonwoven, and submicron fiber-based membranes for various applications such as catalysis, sensing, tissue engineering and wound healing. Wide ... -
Graphene Oxide Loaded Hydrogel for Enhanced Wound Healing in Diabetic Patients
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Chronic wound or slow healing of a wound is one of the serious complications in diabetic patients. The decrease in the proliferation and migration of cells such as keratinocytes and fibroblasts is the major reason for the ... -
Hole cleaning and drilling fluid sweeps in horizontal and deviated wells: Comprehensive review
( Elsevier B.V. , 2020 , Article Review)Horizontal wells provide high drainage area within the reservoirs. Advancements in horizontal drilling technologies are utilized to develop unconventional resources such as shale gas and coal bed methane. However, wellbore ... -
Imaging cancer cells with nanostructures: Prospects of nanotechnology driven non-invasive cancer diagnosis
( Elsevier B.V. , 2021 , Article)The application of nanostructured materials in medicine is a rapidly evolving area of research that includes both the diagnosis and treatment of various diseases. Metals, metal oxides and carbon-based nanomaterials have ... -
Inductive power transfer for Railway applications
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Inductive power transfer (IPT) is used to transfer the power over relatively large air gap using the resonant phenomena. The use of IPT in the Railway transportations will enhance the system performance in terms of reducing ... -
Mechanistic modeling of wellbore cleanout in horizontal and inclined wells
( Society of Petroleum Engineers , 2021 , Conference Paper)The accumulation of rock cuttings, proppant, and other solid debris in the wellbore due to inadequatecleanout remarkably impedes field operations. This article presents a new hole cleaning model, whichcalculates the Critical ... -
Nitric oxide releasing chitosan-poly (vinyl alcohol) hydrogel promotes angiogenesis in chick embryo model
( Elsevier B.V. , 2019 , Article)The lack of angiogenic activity is one of the serious complications of chronic wounds associated with delayed wound closure, chronic ulceration, and subsequent limb amputation. Multiple lines of evidence suggest that nitric ... -
Nitric oxide-releasing biomaterials for promoting wound healing in impaired diabetic wounds: State of the art and recent trends
( Elsevier Masson s.r.l. , 2022 , Article)Impaired diabetic wounds are serious pathophysiological complications associated with persistent microbial infections including failure in the closure of wounds, and the cause of a high frequency of lower limb amputations. ... -
Novel electrospun chitosan/polyvinyl alcohol/zinc oxide nanofibrous mats with antibacterial and antioxidant properties for diabetic wound healing
( Elsevier B.V. , 2018 , Article)Non-healing wound is a serious complication of diabetes, associated with extremely slow wound closure, and a high rate of infection, resulting in amputation or losses of limbs, high health care cost and poor quality of ... -
Performance assessment of inductive power transfer for railway applications
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Inductive power transfer (IPT) is used to transfer the power over relatively large air gap using the resonant phenomena. The use of IPT in the railway transportations enhances the system performance in terms of reducing ... -
Phytochemical-assisted biosynthesis of silver nanoparticles from Ajuga bracteosa for biomedical applications
( Institute of Physics Publishing , 2020 , Article)Silver nanoparticles (AgNPs) synthesized from plant extracts are widely used for the cure of many diseases from fever to cancers. Keeping in view the medicinal value of AgNPs, here we report a cost-effective phytochemical ... -
Portable system for monitoring and controlling driver behavior and the use of a mobile phone while driving
( MDPI AG , 2019 , Article)There is an utmost requirement for technology to control a driver's phone while driving, which will prevent the driver from being distracted and thus saving the driver's and passenger;s lives. Information from recent studies ... -
Reactive Nitrogen Species Releasing Hydrogel for Enhanced Wound Healing
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Poor proliferation and migration of fibroblast, keratinocyte and endothelial cells delays the wound healing in diabetic patients and results into chronicity of wounds. Slow or decreased formation of blood vessels is another ...
