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Showing 13 to 24 of 1834 entries
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PATTERNS IN TREE BALANCE AMONG CLADISTIC, PHENETIC, AND RANDOMLY GENERATED PHYLOGENETIC TREES.

Evolution; international journal of organic evolution

Heard SB.
PMID: 28567767
Evolution. 1992 Dec;46(6):1818-1826. doi: 10.1111/j.1558-5646.1992.tb01171.x.

I examine patterns in tree balance for a sample of 208 cladograms and phenograms from the recent literature. I provide an expression for expected imbalance under a simple, uniform-rate random speciation model, and I estimate variances by simulation for...

Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing.

Frontiers in microbiology

Yan Q, Fong SS.
PMID: 29123506
Front Microbiol. 2017 Oct 24;8:2060. doi: 10.3389/fmicb.2017.02060. eCollection 2017.

Metabolic diversity in microorganisms can provide the basis for creating novel biochemical products. However, most metabolic engineering projects utilize a handful of established model organisms and thus, a challenge for harnessing the potential of novel microbial functions is the...

Long-Term Care Facilities Are Reservoirs for Antimicrobial-Resistant Sequence Type 131 Escherichia coli.

Open forum infectious diseases

Burgess MJ, Johnson JR, Porter SB, Johnston B, Clabots C, Lahr BD, Uhl JR, Banerjee R.
PMID: 26034762
Open Forum Infect Dis. 2015 Feb 17;2(1):ofv011. doi: 10.1093/ofid/ofv011. eCollection 2015 Jan.

Background.  Emerging data implicate long-term care facilities (LTCFs) as reservoirs of fluoroquinolone-resistant (FQ-R) Escherichia coli of sequence type 131 (ST131). We screened for ST131 among LTCF residents, characterized isolates molecularly, and identified risk factors for colonization. Methods.  We conducted...

Tandem Solar Cells Using GaAs Nanowires on Si: Design, Fabrication, and Observation of Voltage Addition.

Nano letters

Yao M, Cong S, Arab S, Huang N, Povinelli ML, Cronin SB, Dapkus PD, Zhou C.
PMID: 26502060
Nano Lett. 2015 Nov 11;15(11):7217-24. doi: 10.1021/acs.nanolett.5b03890. Epub 2015 Nov 02.

Multijunction solar cells provide us a viable approach to achieve efficiencies higher than the Shockley-Queisser limit. Due to their unique optical, electrical, and crystallographic features, semiconductor nanowires are good candidates to achieve monolithic integration of solar cell materials that...

Low glial angiotensinogen improves body habitus, diastolic function, and exercise tolerance in aging male rats.

Cardiovascular endocrinology

Groban L, Wang H, Machado FS, Trask AJ, Kritchevsky SB, Ferrario CM, Diz DI.
PMID: 23795309
Cardiovasc Endocrinol. 2012 Sep 01;1(3):49-58. doi: 10.1097/XCE.0b013e32835a2159.

OBJECTIVES: Long-term systemic blockade of the renin-angiotensin system (RAS) with either an angiotensin (Ang) II type 1 receptor antagonist or an angiotensin-converting enzyme inhibitor attenuates age-related cardiac remodeling and oxidative damage, and improves myocardial relaxation. However, the role of...

Plasmon-enhanced water splitting on TiO2-passivated GaP photocatalysts.

Physical chemistry chemical physics : PCCP

Qiu J, Zeng G, Pavaskar P, Li Z, Cronin SB.
PMID: 24401904
Phys Chem Chem Phys. 2014 Feb 21;16(7):3115-21. doi: 10.1039/c3cp54674h.

Integrating plasmon resonant nanostructures with photocatalytic semiconductors shows great promise for high efficiency photocatalytic water splitting. However, the electrochemical instability of most III-V semiconductors severely limits their applicability in photocatalysis. In this work, we passivate p-type GaP with a...

Tailored electrical conductivity, electromagnetic shielding and thermal transport in polymeric blends with graphene sheets decorated with nickel nanoparticles.

Physical chemistry chemical physics : PCCP

Pawar SP, Stephen S, Bose S, Mittal V.
PMID: 25981455
Phys Chem Chem Phys. 2015 Jun 14;17(22):14922-30. doi: 10.1039/c5cp00899a.

Electromagnetic interference shielding (EMI) materials were designed using PC (polycarbonate)/SAN [poly(styrene-co-acrylonitrile)] blends containing few-layered graphene nanosheets decorated with nickel nanoparticles (G-Ni). The graphene nanosheets were decorated with nickel nanoparticles via the uniform nucleation of the metal salt precursor on...

Indirect Band Gap Emission by Hot Electron Injection in Metal/MoS₂ and Metal/WSe₂ Heterojunctions.

Nano letters

Li Z, Ezhilarasu G, Chatzakis I, Dhall R, Chen CC, Cronin SB.
PMID: 25993397
Nano Lett. 2015 Jun 10;15(6):3977-82. doi: 10.1021/acs.nanolett.5b00885. Epub 2015 May 29.

Transition metal dichalcogenides (TMDCs), such as MoS2 and WSe2, are free of dangling bonds and therefore make more "ideal" Schottky junctions than bulk semiconductors, which produce Fermi energy pinning and recombination centers at the interface with bulk metals, inhibiting...

An additional genus and two additional species of Forticulcitinae (Digenea: Haploporidae).

Folia parasitologica

Andres MJ, Curran SS, Fayton TJ, Pulis EE, Overstreet RM.
PMID: 25995330
Folia Parasitol (Praha). 2015 May 14;62. doi: 10.14411/fp.2015.025.

Forticulcita platana sp. n. and Forticulcita apiensis sp. n. are described from Mugil liza Valenciennes in Argentina, and from Mugil cephalus Linnaeus in Salt Springs, Florida, USA, respectively. Supplemental material relating to the hermaphroditic sac of Forticulcita gibsoni Blasco-Costa,...

Historical Overview of the Effect of β-Adrenergic Agonists on Beef Cattle Production.

Asian-Australasian journal of animal sciences

Johnson BJ, Smith SB, Chung KY.
PMID: 25050012
Asian-Australas J Anim Sci. 2014 May;27(5):757-66. doi: 10.5713/ajas.2012.12524.

Postnatal muscle hypertrophy of beef cattle is the result of enhanced myofibrillar protein synthesis and reduced protein turnover. Skeletal muscle hypertrophy has been studied in cattle fed β-adrenergic agonists (β-AA), which are receptor-mediated enhancers of protein synthesis and inhibitors...

Differentiation of pluripotent stem cells into striatal projection neurons: a pure MSN fate may not be sufficient.

Frontiers in cellular neuroscience

Reddington AE, Rosser AE, Dunnett SB.
PMID: 25520619
Front Cell Neurosci. 2014 Dec 02;8:398. doi: 10.3389/fncel.2014.00398. eCollection 2014.

Huntington's disease (HD) is an autosomal dominant inherited disorder leading to the loss inter alia of DARPP-32 positive medium spiny projection neurons ("MSNs") in the striatum. There is no known cure for HD but the relative specificity of cell...

Pulmonary Toxicity, Distribution, and Clearance of Intratracheally Instilled Silicon Nanowires in Rats.

Journal of nanomaterials

Roberts JR, Mercer RR, Chapman RS, Cohen GM, Bangsaruntip S, Schwegler-Berry D, Scabilloni JF, Castranova V, Antonini JM, Leonard SS.
PMID: 26640479
J Nanomater. 2012;2012:398302. doi: 10.1155/2012/398302.

Silicon nanowires (Si NWs) are being manufactured for use as sensors and transistors for circuit applications. The goal was to assess pulmonary toxicity and fate of Si NW using an

Showing 13 to 24 of 1834 entries