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Showing 1 to 12 of 185 entries
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Out-of-Plane Continuous Electrostatic Micro-Power Generators.

Sensors (Basel, Switzerland)

Mahmoud MAE, Abdel-Rahman EM, Mansour RR, El-Saadany EF.
PMID: 28420151
Sensors (Basel). 2017 Apr 16;17(4). doi: 10.3390/s17040877.

This paper presents an out-of-plane electrostatic micro-power generator (MPG). Electret-based continuous MPGs with different gaps and masses are fabricated to demonstrate the merits of this topology. Experimental results of the MPG demonstrate output power of 1 mW for a...

Persistence and Distribution of Wild-Type and Recombinant Nucleopolyhedroviruses in Soil.

Microbial ecology

Fuxa JR, Matter MM, Abdel-Rahman A, Micinski S, Richter AR, Flexner JL.
PMID: 11391460
Microb Ecol. 2001 Apr;41(3):222-231. doi: 10.1007/s002480000088.

Persistence of recombinant and wild-type nucleopolyhedroviruses (NPV) was compared in field and laboratory microcosm experiments. Horizontal and vertical distribution of the viruses also was monitored in the field agricultural soil. Mixed populations of the bollworm, Helicoverpa zea, and tobacco...

Great toe metatarsophalangeal arthrodesis for hallux valgus deformity in ambulatory adolescents with spastic cerebral palsy.

Journal of children's orthopaedics

Bishay SN, El-Sherbini MH, Lotfy AA, Abdel-Rahman HM, Iskandar HN, El-Sayed MM.
PMID: 19308612
J Child Orthop. 2009 Feb;3(1):47-52. doi: 10.1007/s11832-008-0147-4. Epub 2008 Nov 20.

BACKGROUND: Hallux valgus deformity is a common sequel of spastic cerebral palsy.METHODS: Twenty ambulatory patients (24 feet) suffering hallux valgus deformity, with painful forefoot and restricted footwear, secondary to spastic cerebral palsy acquired perinatally, were treated with great toe...

Nonsingular cosmology with a time-dependent cosmological term.

Physical review. D, Particles and fields

Abdel-Rahman AM, Arbab AI.
PMID: 10017755
Phys Rev D Part Fields. 1994 Dec 15;50(12):7725-7728. doi: 10.1103/physrevd.50.7725.

No abstract available.

Heavy metals content in some non-alcoholic beverages (carbonated drinks, flavored yogurt drinks, and juice drinks) of the Egyptian markets.

Toxicology reports

Abdel-Rahman GN, Ahmed MBM, Sabry BA, Ali SSM.
PMID: 30886822
Toxicol Rep. 2019 Feb 25;6:210-214. doi: 10.1016/j.toxrep.2019.02.010. eCollection 2019.

Heavy metals are elements present in trace quantities in the environment and, in small concentrations, they play important roles for the living organisms yet it can cause toxicity if exceeded the recommended levels. Toxic metals contamination is an important...

Metabolomics Based Profiling of Dexamethasone Side Effects in Rats.

Frontiers in pharmacology

Malkawi AK, Alzoubi KH, Jacob M, Matic G, Ali A, Al Faraj A, Almuhanna F, Dasouki M, Abdel Rahman AM.
PMID: 29503615
Front Pharmacol. 2018 Feb 16;9:46. doi: 10.3389/fphar.2018.00046. eCollection 2018.

Dexamethasone (Dex) is a synthetic glucocorticoid that has anti-inflammatory and immunosuppressant effects and is used in several conditions such as asthma and severe allergy. Patients receiving Dex, either at a high dose or for a long time, might develop...

Formulation and pharmacokinetics of multi-layered matrix tablets: Biphasic delivery of diclofenac.

Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society

Elzayat EM, Abdel-Rahman AA, Ahmed SM, Alanazi FK, Habib WA, Abou-Auda HS, Sakr A.
PMID: 28725140
Saudi Pharm J. 2017 Jul;25(5):688-695. doi: 10.1016/j.jsps.2016.10.004. Epub 2016 Oct 17.

The rapid availability of the drug at the site of action followed by maintaining its effect for a long period of time is of great clinical importance. Thus, the purpose of the present study was to prepare and evaluate...

On the performance of adaptive hybrid MQAM-MPPM scheme over Nakagami and log-normal dynamic visible light communication channels.

Applied optics

El-Fikky AEA, Ghazy AS, Khallaf HS, Mahmoud Mohamed E, Shalaby HMH, Aly MH.
PMID: 32225706
Appl Opt. 2020 Mar 01;59(7):1896-1906. doi: 10.1364/AO.379893.

In this paper, we introduce the idea of using adaptive hybrid modulation techniques to overcome channel fading effects on visible light communication (VLC) systems. A hybrid $ M $M-ary quadrature-amplitude modulation ($ M{\rm QAM} $MQAM) and multipulse pulse-position modulation...

A simple and efficient purification method of native immunoreactive antigen for diagnosis of camel hydatidosis.

Veterinary world

Toaleb NI, Helmy MS, Shanawany EEE, Abdel-Rahman EH.
PMID: 32158164
Vet World. 2020 Jan;13(1):141-146. doi: 10.14202/vetworld.2020.141-146. Epub 2020 Jan 23.

BACKGROUND: Cystic echinococcosis (CE), a zoonotic disease that affects animal and human health, is of increasing economic importance due to high morbidity rates and high economic losses in the livestock industry.AIM: The present study was conducted to purify the...

Incidence, stability and risk assessment for sulfonamides and tetracyclines in aqua-cultured Nile Tilapia fish of Egypt.

Toxicology reports

Ahmed MBM, Abdel-Rahman GN, Salem SH, Fouzy ASM.
PMID: 32676295
Toxicol Rep. 2020 Jul 02;7:836-843. doi: 10.1016/j.toxrep.2020.06.009. eCollection 2020.

The current study was conducted to determine sulfonamides (SAs) and tetracyclines (TCs) residuals in farmed Nile Tilapia fish (

Assessment of the transition k-k-ω model application to transitional oscillatory pipe flows.

The Journal of the Acoustical Society of America

Ramadan AB, Abd El-Rahman AI, Sabry AS.
PMID: 31067919
J Acoust Soc Am. 2019 Mar;145(3):1195. doi: 10.1121/1.5092605.

The flow transition from laminar to turbulent inside of typical thermoacoustic devices influences the heat-exchange capacities of these devices and dramatically impacts overall performances as well. A few measurements [Eckmann and Grotberg (1991), J. Fluid Mech. 222, 329-350; Hino,...

Landscape Vegetation Productivity Influences Population Dynamics of Key Pests in Small Avocado Farms in Kenya.

Insects

Toukem NK, Yusuf AA, Dubois T, Abdel-Rahman EM, Adan MS, Mohamed SA.
PMID: 32659943
Insects. 2020 Jul 09;11(7). doi: 10.3390/insects11070424.

Avocado (

Showing 1 to 12 of 185 entries