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Showing 1 to 12 of 63 entries
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Design and optimization of a volume-phase holographic grating for simultaneous use with red, green, and blue light using unpolarized light.

Applied optics

Mahamat AH, Narducci FA, Schwiegerling J.
PMID: 26974620
Appl Opt. 2016 Mar 01;55(7):1618-24. doi: 10.1364/AO.55.001618.

Volume-phase holographic (VPH) gratings have been designed for use in many areas of science and technology, such as optical communication, optical imaging, and astronomy. In this paper, the design of a volume-phase holographic grating, simultaneously optimized to operate in...

Global high-risk clone of extended-spectrum β-lactamase (ESBL)-producing Klebsiella pneumoniae ST307 emerging in livestock in Peru.

International journal of antimicrobial agents

Fuentes-Castillo D, Shiva C, Lincopan N, Sano E, Fontana H, Streicker DG, Mahamat OO, Falcon N, Godreuil S, Benavides JA.
PMID: 34166775
Int J Antimicrob Agents. 2021 Sep;58(3):106389. doi: 10.1016/j.ijantimicag.2021.106389. Epub 2021 Jun 21.

No abstract available.

IFN-λ4 is associated with increased risk and earlier occurrence of several common infections in African children.

Genes and immunity

Prokunina-Olsson L, Morrison RD, Obajemu A, Mahamar A, Kim S, Attaher O, Florez-Vargas O, Sidibe Y, Onabajo OO, Hutchinson AA, Manning M, Kwan J, Brand N, Dicko A, Fried M, Albert PS, Mbulaiteye SM, Duffy PE.
PMID: 33850301
Genes Immun. 2021 May;22(1):44-55. doi: 10.1038/s41435-021-00127-7. Epub 2021 Apr 13.

Genetic polymorphisms within the IFNL3/IFNL4 genomic region, which encodes type III interferons, have been strongly associated with clearance of hepatitis C virus. We hypothesized that type III interferons might be important for the immune response to other pathogens as...

Long-term maintenance of multidrug-resistant Escherichia coli carried by vampire bats and shared with livestock in Peru.

The Science of the total environment

Benavides JA, Godreuil S, Opazo-Capurro A, Mahamat OO, Falcon N, Oravcova K, Streicker DG, Shiva C.
PMID: 34883172
Sci Total Environ. 2021 Dec 07;810:152045. doi: 10.1016/j.scitotenv.2021.152045. Epub 2021 Dec 07.

Extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-E. coli) have been reported in wildlife worldwide. Whether wildlife is a transient host of ESBL-E. coli or comprises an independently maintained reservoir is unknown. We investigated this question by longitudinally monitoring ESBL-E. coli in...

Global prevalence of hepatitis B virus serological markers among healthcare workers: A systematic review and meta-analysis.

World journal of hepatology

Mahamat G, Kenmoe S, Akazong EW, Ebogo-Belobo JT, Mbaga DS, Bowo-Ngandji A, Foe-Essomba JR, Amougou-Atsama M, Monamele CG, Mbongue Mikangue CA, Kame-Ngasse GI, Magoudjou-Pekam JN, Zemnou-Tepap C, Meta-Djomsi D, Maïdadi-Foudi M, Touangnou-Chamda SA, Daha-Tchoffo AG, Selly-Ngaloumo AA, Nayang-Mundo RA, Yéngué JF, Taya-Fokou JB, Fokou LKM, Kenfack-Momo R, Tchami Ngongang D, Atembeh Noura E, Tazokong HR, Demeni Emoh CP, Kengne-Ndé C, Bigna JJ, Boyomo O, Njouom R.
PMID: 34630885
World J Hepatol. 2021 Sep 27;13(9):1190-1202. doi: 10.4254/wjh.v13.i9.1190.

BACKGROUND: The hepatitis B virus (HBV) infection is a global public health concern that affects about 2 billion people and causes 1 million people deaths yearly. HBV is a blood-borne disease and healthcare workers (HCWs) are a high-risk group...

Long-term maintenance of multidrug-resistant Escherichia coli carried by vampire bats and shared with livestock in Peru.

The Science of the total environment

Benavides JA, Godreuil S, Opazo-Capurro A, Mahamat OO, Falcon N, Oravcova K, Streicker DG, Shiva C.
PMID: 34883172
Sci Total Environ. 2021 Dec 07;810:152045. doi: 10.1016/j.scitotenv.2021.152045. Epub 2021 Dec 07.

Extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-E. coli) have been reported in wildlife worldwide. Whether wildlife is a transient host of ESBL-E. coli or comprises an independently maintained reservoir is unknown. We investigated this question by longitudinally monitoring ESBL-E. coli in...

Investigation of Dracunculiasis Transmission among Humans, Chad, 2013-2017.

The American journal of tropical medicine and hygiene

Liu EW, Sircar AD, Matchanga K, Mahamat AM, Ngarhor N, Ouakou PT, Zirimwabagabo H, Ruiz-Tiben E, Sankara D, Wiegand R, Roy SL.
PMID: 33289475
Am J Trop Med Hyg. 2020 Dec 07; doi: 10.4269/ajtmh.20-0584. Epub 2020 Dec 07.

Dracunculiasis, slated for global eradication, typically is acquired by drinking stagnant water containing microscopic crustaceans (copepods) infected with

Long-term maintenance of multidrug-resistant Escherichia coli carried by vampire bats and shared with livestock in Peru.

The Science of the total environment

Benavides JA, Godreuil S, Opazo-Capurro A, Mahamat OO, Falcon N, Oravcova K, Streicker DG, Shiva C.
PMID: 34883172
Sci Total Environ. 2021 Dec 07;810:152045. doi: 10.1016/j.scitotenv.2021.152045. Epub 2021 Dec 07.

Extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-E. coli) have been reported in wildlife worldwide. Whether wildlife is a transient host of ESBL-E. coli or comprises an independently maintained reservoir is unknown. We investigated this question by longitudinally monitoring ESBL-E. coli in...

Diabetes mellitus and tuberculosis, a systematic review and meta-analysis with sensitivity analysis for studies comparable for confounders.

PloS one

Foe-Essomba JR, Kenmoe S, Tchatchouang S, Ebogo-Belobo JT, Mbaga DS, Kengne-Ndé C, Mahamat G, Kame-Ngasse GI, Noura EA, Mbongue Mikangue CA, Feudjio AF, Taya-Fokou JB, Touangnou-Chamda SA, Nayang-Mundo RA, Nyebe I, Magoudjou-Pekam JN, Yéngué JF, Djukouo LG, Demeni Emoh CP, Tazokong HR, Bowo-Ngandji A, Lontchi-Yimagou E, Kaiyven AL, Donkeng Donfack VF, Njouom R, Mbanya JC, Mbacham WF, Eyangoh S.
PMID: 34890419
PLoS One. 2021 Dec 10;16(12):e0261246. doi: 10.1371/journal.pone.0261246. eCollection 2021.

INTRODUCTION: Meta-analyses conducted so far on the association between diabetes mellitus (DM) and the tuberculosis (TB) development risk did not sufficiently take confounders into account in their estimates. The objective of this systematic review was to determine whether DM...

Free Radical Scavenging Capacities and Alleviating Actions of Polysaccharides Extract of .

Advances in pharmacological and pharmaceutical sciences

Evans Ngwenah F, Sanda Antoine K, Martin S, Christopher T, Mahamat O.
PMID: 34790896
Adv Pharmacol Pharm Sci. 2021 Nov 08;2021:5893210. doi: 10.1155/2021/5893210. eCollection 2021.

BACKGROUND: Natural products have been said to show immunomodulatory and antioxidant activities. The research study was aimed to assess the immunomodulatory and free radical scavenging activities of crude polysaccharide from dry mushroom fruiting bodies of MATERIALS AND METHODS: Hot...

Use of Call Centers in Polio Eradication Efforts in Island Settlement in Chad.

Journal of immunological sciences

Lisi Aluma AD, Koulmini S, Kalilou S, Igweonu O, Kouassi AF, Traore MA, Ntezayabo B, Delayo LZ, Barry A, Esanga AM, Bagayoko AN, Mavungu Landu DJ, Kadai AA, Toyma B, Sedick DA, Nathei P, Mahamat D, Bohoussou P, Okeibunor J, de Medeiros N, Rabenarivo B, Dio-Mande F, Okiror S.
PMID: 33997864
J Immunol Sci. 2021 Apr 15;(2):1113. doi: 10.29245/2578-3009/2021/S2.1113.

BACKGROUND: One of the four key strategies of the Global Polio Eradication Initiative (GPEI) is high immunization coverage, with oral polio vaccine as part of routine immunization schedules. However, given the weak routine immunization structures in the African Region,...

Modelling adoption intensity of improved soybean production technologies in Ghana - a Generalized Poisson approach.

Heliyon

Mahama A, Awuni JA, Mabe FN, Azumah SB.
PMID: 32181404
Heliyon. 2020 Mar 05;6(3):e03543. doi: 10.1016/j.heliyon.2020.e03543. eCollection 2020 Mar.

Soybean is an important cash crop especially for farmers in the north of Ghana. However, cultivation of the commodity is dominated by smallholders equipped with traditional tools, coupled with low or no adoption of improved soybean production technologies. Using...

Showing 1 to 12 of 63 entries