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Showing 1 to 12 of 233 entries
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Development and characterization of microsatellite loci for the haploid-diploid red seaweed Gracilaria vermiculophylla.

PeerJ

Kollars NM, Krueger-Hadfield SA, Byers JE, Greig TW, Strand AE, Weinberger F, Sotka EE.
PMID: 26339541
PeerJ. 2015 Aug 11;3:e1159. doi: 10.7717/peerj.1159. eCollection 2015.

Microsatellite loci are popular molecular markers due to their resolution in distinguishing individual genotypes. However, they have rarely been used to explore the population dynamics in species with biphasic life cycles in which both haploid and diploid stages develop...

Massive stars. A chemical signature of first-generation very massive stars.

Science (New York, N.Y.)

Aoki W, Tominaga N, Beers TC, Honda S, Lee YS.
PMID: 25146286
Science. 2014 Aug 22;345(6199):912-5. doi: 10.1126/science.1252633.

Numerical simulations of structure formation in the early universe predict the formation of some fraction of stars with several hundred solar masses. No clear evidence of supernovae from such very massive stars has, however, yet been found in the...

A case of presumed herpes keratouveitis in a patient treated with fingolimod.

Multiple sclerosis journal - experimental, translational and clinical

Ayers MC, Conway DS.
PMID: 28607729
Mult Scler J Exp Transl Clin. 2016 Jun 03;2:2055217316652907. doi: 10.1177/2055217316652907. eCollection 2016.

We discuss a case of presumed bilateral herpes simplex keratouveitis in a 36-year-old multiple sclerosis patient switched to fingolimod from glatiramer acetate. Fingolimod treatment appears to increase the risk of herpesvirus infections, including with herpes simplex virus and varicella...

Electroantennographic responses differentiate sibling species of dingy cutworm complex,Feltia jaculifera (GN.) (Lepidoptera: Noctuidae).

Journal of chemical ecology

Byers JR, Struble DL, Herle CE, Kozub GC, Lafontaine JD.
PMID: 24263269
J Chem Ecol. 1990 Oct;16(10):2969-80. doi: 10.1007/BF00979488.

The dingy cutworm is one of the more common and widely distributed of North American noctuids. Determination of the antennal responses of field-collected male moths to a standard test blend of pheromone components shows that two pheromonal phenotypes of...

Isolation of pheromone synergists of bark beetle,Pityogenes chalcographus, from complex insect-plant odors by fractionation and subtractive-combination bioassay.

Journal of chemical ecology

Byers JA, Birgersson G, Löfqvist J, Appelgren M, Bergström G.
PMID: 24263601
J Chem Ecol. 1990 Mar;16(3):861-76. doi: 10.1007/BF01016496.

Capillary gas chromatography with columns of different polarity and two-dimensional fractionation of effluents were used with novel subtrac-tive-combination bioassays to rigorously isolate host- and insect-produced pheromone synergists of the bark beetlePityogenes chalcographus (Coleop-tera: Scolytidae). Methyl (E,Z)-2,4-decadienoate (E,Z-MD) and the...

Male-specific conversion of the host plant compound, myrcene, to the pheromone, (+)-ipsdienol, in the bark beetle,Dendroctonus brevicomis.

Journal of chemical ecology

Byers JA.
PMID: 24414947
J Chem Ecol. 1982 Feb;8(2):363-71. doi: 10.1007/BF00987784.

When both sexes of the bark beetle,Dendroctonus brevicomis LeConte, were exposed to vapors of myrcene from ponderosa pine, only the male produced (+)-ipsdienol. In the field, racemic ipsdienol significantly reduced the attraction of both sexes in flight to a...

Electrodeposition and Screening of Photoelectrochemical Activity in Conjugated Polymers Using Scanning Electrochemical Cell Microscopy.

Langmuir : the ACS journal of surfaces and colloids

Aaronson BD, Garoz-Ruiz J, Byers JC, Colina A, Unwin PR.
PMID: 26502089
Langmuir. 2015 Nov 24;31(46):12814-22. doi: 10.1021/acs.langmuir.5b03316. Epub 2015 Nov 10.

A number of renewable energy systems require an understanding and correlation of material properties and photoelectrochemical activity on the micro to nanoscale. Among these, conducting polymer electrodes continue to be important materials. In this contribution, an ultrasensitive scanning electrochemical...

Structure-activity studies on aggregation pheromone components ofPityogenes chalcographus (Coleoptera: Scolytidae) : All stereoisomers of chalcogran and methyl 2,4-decadienoate.

Journal of chemical ecology

Byers JA, Högberg HE, Unelius CR, Birgersson G, Löfqvist J.
PMID: 24271809
J Chem Ecol. 1989 Feb;15(2):685-95. doi: 10.1007/BF01014711.

Syntheses of all four Stereoisomers (2S,5S; 2S,5R;2R,5R; and2R,5S) of chalcogran, a major component of the aggregation pheromone ofPityogenes chalcographus, and of all four isomers (2Z,4Z; 2Z,4E; 2E,4E; and 2E,4Z) of methyl 2,4-decadienoate (MD), the second major pheromone component, are...

Infrared photothermal imaging spectroscopy for detection of trace explosives on surfaces.

Applied optics

Kendziora CA, Furstenberg R, Papantonakis M, Nguyen V, Byers J, Andrew McGill R.
PMID: 26560599
Appl Opt. 2015 Nov 01;54(31):F129-38. doi: 10.1364/AO.54.00F129.

We are developing a technique for the standoff detection of trace explosives on relevant substrate surfaces using photothermal infrared (IR) imaging spectroscopy (PT-IRIS). This approach leverages one or more compact IR quantum cascade lasers, which are tuned to strong...

Detection of Lead in the Carbon-rich, Very Metal-poor Star LP 625-44: A Strong Constraint on s-Process Nucleosynthesis at Low Metallicity.

The Astrophysical journal

Aoki W, Norris JE, Ryan SG, Beers TC, Ando H.
PMID: 10859127
Astrophys J. 2000 Jun 20;536(2):L97-L100. doi: 10.1086/312740.

We report the detection of the Pb i lambda4057.8 line in the very metal-poor (&sqbl0;Fe&solm0;H&sqbr0;=-2.7), carbon-rich star, LP 625-44. We determine the abundance of Pb (&sqbl0;Pb&solm0;Fe&sqbr0;=2.65) and 15 other neutron-capture elements. The abundance pattern between Ba and Pb agrees...

The use of pH to influence regio- and chemoselectivity in the asymmetric aminohydroxylation of styrenes.

Organic letters

Nesterenko V, Byers JT, Hergenrother PJ.
PMID: 12556172
Org Lett. 2003 Feb 06;5(3):281-4. doi: 10.1021/ol027242j.

[reaction: see text] The pH-controlled Sharpless asymmetric aminohydroxylation (AA) of styrenes provides 1-aryl-2-amino ethanols (regioisomer B) with high enantio-, chemo-, and regioselectivity. As existing AA protocols typically give regioisomer A as the major reaction product when using carbamate nitrogen...

Effects of body size and resource availability on dispersal in a native and a non-native estuarine snail.

Journal of experimental marine biology and ecology

Byers JE.
PMID: 10771298
J Exp Mar Biol Ecol. 2000 May 31;248(2):133-150. doi: 10.1016/s0022-0981(00)00163-5.

I manipulated snail densities of two coexisting species of salt marsh snail, Cerithidea californica Haldeman (native) and Batillaria attramentaria Sowerby (non-indigenous) to investigate how resource levels set by intraspecific competition may influence dispersal rates. I used two distinct size...

Showing 1 to 12 of 233 entries