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Showing 1 to 12 of 312 entries
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The impact of Ethiopia's productive safety nets and household asset building programme: 2006–2010

Build and Broaden 3.0 AND Program Evaluation

Berhane G, Hoddinott J, Kumar N.
GSID: o0F_8FC8x0QJ
G Berhane, J Hoddinott, N Kumar… - … , DC: International Food …, 2011 - pdf.usaid.gov

The introduction to the document describing the Government of Ethiopia's Food Security Programme 2010-2014 (GFDRE 2009a) notes that persistent food insecurity remains a major problem in many parts of Ethiopia. To address this, the last ten years has seen...

Developing a predictive risk model for first-line antiretroviral therapy failure in South Africa.

Journal of the International AIDS Society

Rohr JK, Ive P, Horsburgh CR, Berhanu R, Shearer K, Maskew M, Long L, Sanne I, Bassett J, Ebrahim O, Fox MP.
PMID: 27677395
J Int AIDS Soc. 2016 Sep 26;19(1):20987. doi: 10.7448/IAS.19.1.20987. eCollection 2016.

INTRODUCTION: A substantial number of patients with HIV in South Africa have failed first-line antiretroviral therapy (ART). Although individual predictors of first-line ART failure have been identified, few studies in resource-limited settings have been large enough for predictive modelling....

Quantile Mediation Models: A Comparison of Methods for Assessing Mediation Across the Outcome Distribution.

Multivariate behavioral research

Shen E, Chou CP, Pentz MA, Berhane K.
PMID: 26732360
Multivariate Behav Res. 2014 Sep-Oct;49(5):471-85. doi: 10.1080/00273171.2014.904221.

Recent introduction of quantile regression methods to analysis of epidemiologic data suggests that traditional mean regression approaches may not suffice for some health outcomes such as Body Mass Index (BMI). In the same vein, the traditional mean-based approach to...

Young Adult Perceptions Surrounding Hookah Use.

Health behavior and policy review

Roberts ME, Klein EG, Berman ML, Berhane B, Ferketich AK.
PMID: 29152524
Health Behav Policy Rev. 2017 Nov;4(6):593-600. doi: 10.14485/HBPR.4.6.9.

OBJECTIVE: We aimed to improve understanding of young adults' perceptions and interpretations of the contexts surrounding use.METHODS: We conducted focus groups with young adult hookah users (ages 18-28) to examine hookah-use experiences and risk perceptions.RESULTS: Two dominant themes that...

Bright Room-Temperature Single-Photon Emission from Defects in Gallium Nitride.

Advanced materials (Deerfield Beach, Fla.)

Berhane AM, Jeong KY, Bodrog Z, Fiedler S, Schröder T, Triviño NV, Palacios T, Gali A, Toth M, Englund D, Aharonovich I.
PMID: 28181313
Adv Mater. 2017 Mar;29(12). doi: 10.1002/adma.201605092. Epub 2017 Feb 09.

Room-temperature quantum emitters in gallium nitride (GaN) are reported. The emitters originate from cubic inclusions in hexagonal lattice and exhibit narrowband luminescence in the red spectral range. The sources are found in different GaN substrates, and therefore are promising...

Prevalence and predictors of harmful khat use among university students in ethiopia.

Substance abuse : research and treatment

Gebrehanna E, Berhane Y, Worku A.
PMID: 24940069
Subst Abuse. 2014 Jun 09;8:45-51. doi: 10.4137/SART.S14413. eCollection 2014.

Comprehensive assessment of harmful khat use is lacking because often researchers rely on a simple tool for studying it. The aim of this study was to determine the prevalence and predictors of harmful khat use among Ethiopian university students...

Transition to a labyrinthine phase in a driven granular medium.

Physical review. E, Statistical, nonlinear, and soft matter physics

Merminod S, Jamin T, Falcon E, Berhanu M.
PMID: 26764680
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Dec;92(6):062205. doi: 10.1103/PhysRevE.92.062205. Epub 2015 Dec 11.

Labyrinthine patterns arise in two-dimensional physical systems submitted to competing interactions, in fields ranging from solid-state physics to hydrodynamics. For systems of interacting particles, labyrinthine and stripe phases were studied in the context of colloidal particles confined into a...

Barriers to diabetes medication adherence in North West Ethiopia.

SpringerPlus

Abebe SM, Berhane Y, Worku A.
PMID: 24834373
Springerplus. 2014 Apr 17;3:195. doi: 10.1186/2193-1801-3-195. eCollection 2014.

BACKGROUND: Low adherence to prescribed diabetes medications is one of the major reasons to poor glycemic control in developing countries. Therefore, this study attempted to assess the magnitude of medication adherence and factors associated with it among adult persons...

Chaotic dynamos generated by a turbulent flow of liquid sodium.

Physical review letters

Ravelet F, Berhanu M, Monchaux R, Aumaître S, Chiffaudel A, Daviaud F, Dubrulle B, Bourgoin M, Odier P, Plihon N, Pinton JF, Volk R, Fauve S, Mordant N, Pétrélis F.
PMID: 18764540
Phys Rev Lett. 2008 Aug 15;101(7):074502. doi: 10.1103/PhysRevLett.101.074502. Epub 2008 Aug 14.

We report the observation of several dynamical regimes of the magnetic field generated by a turbulent flow of liquid sodium (VKS experiment). Stationary dynamos, transitions to relaxation cycles or to intermittent bursts, and random field reversals occur in a...

Synthesis of Pd Complexes Bearing an Enantiomerically-Resolved Seven-Membered N-Heterocyclic Carbene Ligands and Initial Studies of their Use in Asymmetric Wacker-Type Oxidative Cyclization Reactions.

Tetrahedron

Scarborough CC, Bergant A, Sazama GT, Guzei IA, Spencer LC, Stahl SS.
PMID: 20161255
Tetrahedron. 2009 Jun 27;65(26):5084-5092. doi: 10.1016/j.tet.2009.04.072.

The development of enantiomerically-resolved, axially-chiral seven-membered N-heterocyclic carbene ((7)NHC) ligands for palladium is described. These (7)NHC ligands are derived from enatiomerically pure 2,2'-diamino-6,6'-dimethylbiphenyl, which is transformed via a synthetic sequence consisting of ortho-arylation, N-alkylation, and cyclization to afford seven-membered-ring...

Shape and dynamics of seepage erosion in a horizontal granular bed.

Physical review. E, Statistical, nonlinear, and soft matter physics

Berhanu M, Petroff A, Devauchelle O, Kudrolli A, Rothman DH.
PMID: 23214577
Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Oct;86(4):041304. doi: 10.1103/PhysRevE.86.041304. Epub 2012 Oct 10.

We investigate erosion patterns observed in a horizontal granular bed resulting from seepage of water motivated by observation of beach rills and channel growth in larger scale land forms. Our experimental apparatus consists of a wide rectangular box filled...

RNA detection and subtype C assessment of HIV-1 in infants with diarrhea in Ethiopia.

The open AIDS journal

Ayele W, Assefa T, Lulseged S, Tegbaru B, Berhanu H, Tamene W, Ahmedin Z, Tensai BW, Tafesse M, Goudsmit J, Berkhout B, Paxton WA, Debaar MP, Messele T, Pollakis G.
PMID: 19554214
Open AIDS J. 2009 May 20;3:19-23. doi: 10.2174/1874613600903010019.

In the absence of chemoprophylaxis, HIV-1 transmission occurs in 13-42% of infants born to HIV-1 positive mothers. All exposed infants acquire maternal HIV-1 antibodies that persist for up to 15 months, thereby hampering diagnosis. In resource limited settings, clinical...

Showing 1 to 12 of 312 entries