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Showing 1 to 12 of 92 entries
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Correlation of phenolic acid content of maize to resistance toSitophilus zeamais, the maize weevil, in CIMMYT'S collections.

Journal of chemical ecology

Classen D, Arnason JT, Serratos JA, Lambert JD, Nozzolillo C, Philogéne BJ.
PMID: 24263491
J Chem Ecol. 1990 Feb;16(2):301-15. doi: 10.1007/BF01021766.

The (E)-ferulic acid content of the grain of nine populations of land races of maize derived from CIMMYT's collections was found to be negatively correlated to susceptibility characteristics towards the maize weevilSitophilus zeamais. Correlation coefficients for six susceptibility parameters...

Berberine: A naturally occurring phototoxic alkaloid.

Journal of chemical ecology

Philogène BJ, Arnason JT, Towers GH, Abramowski Z, Campos F, Champagne D, McLachlan D.
PMID: 24318233
J Chem Ecol. 1984 Jan;10(1):115-23. doi: 10.1007/BF00987648.

The isoquinoline alkaloid berberine, present in nine different plant families was found to be phototoxic to mosquito larvae. In the presence of near UV the LC50 for acute 24-hr toxicity was 8.8 ppm compared to 250 ppm for dark...

Adipogenic Activity of Wild Populations of Rhododendron groenlandicum, a Medicinal Shrub from the James Bay Cree Traditional Pharmacopeia.

Evidence-based complementary and alternative medicine : eCAM

Rapinski M, Musallam L, Arnason JT, Haddad P, Cuerrier A.
PMID: 26508979
Evid Based Complement Alternat Med. 2015;2015:492458. doi: 10.1155/2015/492458. Epub 2015 Oct 05.

The traditional medicinal plant, Labrador tea (Rhododendron groenlandicum (Oeder) Kron & Judd; Ericaceae), present in the pharmacopoeia of the Cree of Eeyou Istchee, has shown glitazone-like activity in the 3T3-L1 adipogenesis bioassay. This activity has been attributed to phenolic...

CLIMATIC SELECTION IN CEPAEA HORTENSIS AT THE NORTHERN LIMIT OF ITS RANGE IN ICELAND.

Evolution; international journal of organic evolution

Arnason E, Grant PR.
PMID: 28563245
Evolution. 1976 Sep;30(3):499-508. doi: 10.1111/j.1558-5646.1976.tb00928.x.

No abstract available.

Male Hypogonadism and Osteoporosis: The Effects, Clinical Consequences, and Treatment of Testosterone Deficiency in Bone Health.

International journal of endocrinology

Golds G, Houdek D, Arnason T.
PMID: 28408926
Int J Endocrinol. 2017;2017:4602129. doi: 10.1155/2017/4602129. Epub 2017 Mar 16.

It is well recognized that bone loss accelerates in hypogonadal states, with female menopause being the classic example of sex hormones affecting the regulation of bone metabolism. Underrepresented is our knowledge of the clinical and metabolic consequences of overt...

Insecticidal defenses of Piperaceae from the neotropics.

Journal of chemical ecology

Bernard CB, Krishanmurty HG, Chauret D, Durst T, Philogène BJ, Sánchez-Vindas P, Hasbun C, Poveda L, San Román L, Arnason JT.
PMID: 24234319
J Chem Ecol. 1995 Jun;21(6):801-14. doi: 10.1007/BF02033462.

Insecticidal and growth-reducing properties of extracts of 14 species of American neotropical Piperaceae were investigated by inclusion in diets of a polyphagous lepidopteran, the European corn borer,Ostrinia nubilalis. Nutritional indices suggested most extracts acted by postdigestive toxicity.Piper aduncum, P....

Increased bruising with the combination of long-chain omega-3 fatty acids, flaxseed oil and clopidogrel.

Canadian pharmacists journal : CPJ = Revue des pharmaciens du Canada : RPC

Necyk C, Ware MA, Arnason JT, Tsuyuki RT, Boon H, Vohra S.
PMID: 23795184
Can Pharm J (Ott). 2013 Mar;146(2):93-6. doi: 10.1177/1715163513481325.

No abstract available.

Light-mediated allelochemical effects of naturally occurring polyacetylenes and thiophenes from asteraceae on herbivorous insects.

Journal of chemical ecology

Champagne DE, Arnason JT, Philogène BJ, Morand P, Lam J.
PMID: 24306973
J Chem Ecol. 1986 Apr;12(4):835-58. doi: 10.1007/BF01020255.

Polyacetylenes and their thiophene derivatives, characteristic secondary metabolites of the Asteraceae, were examined for their effects on herbivorous insects. Three thiophenes (a monothiophene, a bithiophene, and α-terthienyl) and four polyacetylenes (phenylheptatriyne, phenylheptadiynene, phenylheptadiyene acetate, and matricaria lactone) were studied...

Allelopathic properties of α-terthienyl and phenylheptatriyne, naturally occurring compounds from species of asteraceae.

Journal of chemical ecology

Campbell G, Lambert JD, Arnason T, Towers GH.
PMID: 24415251
J Chem Ecol. 1982 Jun;8(6):961-72. doi: 10.1007/BF00987662.

Alpha-terthienyl (α-T), a naturally occurring polyacetylene derivative from roots ofTagetes erecta L., and phenylheptatriyne (PHT), from leaves ofBidens pilosa L., were tested as possible allelopathic agents against four seedling species (Asclepias syriaca L.,Chenopodium album L.,Phleum pratense L.,Trifolium pratense L.).Asclepias...

In Vivo Anti-Diabetic Activity of the Ethanolic Crude Extract of Sorbus decora C.K.Schneid. (Rosacea): A Medicinal Plant Used by Canadian James Bay Cree Nations to Treat Symptoms Related to Diabetes.

Evidence-based complementary and alternative medicine : eCAM

Vianna R, Brault A, Martineau LC, Couture R, Arnason JT, Haddad PS.
PMID: 19887507
Evid Based Complement Alternat Med. 2011;2011:237941. doi: 10.1093/ecam/nep158. Epub 2011 Aug 11.

A number of potential anti-diabetic plants were identified through an ethnobotanical survey of the traditional pharmacopeia of the Cree of Eeyou Istchee (CEI-Northeastern Canada) used against symptoms of diabetes and their biological activity assessed by in vitro bioassays. Among...

Comprehensive evidence-based assessment and prioritization of potential antidiabetic medicinal plants: a case study from canadian eastern james bay cree traditional medicine.

Evidence-based complementary and alternative medicine : eCAM

Haddad PS, Musallam L, Martineau LC, Harris C, Lavoie L, Arnason JT, Foster B, Bennett S, Johns T, Cuerrier A, Coon Come E, Coon Come R, Diamond J, Etapp L, Etapp C, George J, Husky Swallow C, Husky Swallow J, Jolly M, Kawapit A, Mamianskum E, Petagumskum J, Petawabano S, Petawabano L, Weistche A, Badawi A.
PMID: 22235232
Evid Based Complement Alternat Med. 2012;2012:893426. doi: 10.1155/2012/893426. Epub 2011 Dec 20.

Canadian Aboriginals, like others globally, suffer from disproportionately high rates of diabetes. A comprehensive evidence-based approach was therefore developed to study potential antidiabetic medicinal plants stemming from Canadian Aboriginal Traditional Medicine to provide culturally adapted complementary and alternative treatment...

Gas phase structures, energetics, and potential energy surfaces of disilacyclohexanes.

The journal of physical chemistry. A

Arnason I, Gudnason PI, Björnsson R, Oberhammer H.
PMID: 21780826
J Phys Chem A. 2011 Sep 08;115(35):10000-8. doi: 10.1021/jp202722t. Epub 2011 Aug 08.

The molecular structures of 1,4-, 1,3-, and 1,2-disilacyclohexanes (denoted as 14, 13, and 12, respectively) were investigated by means of gas electron diffraction (GED). Each molecule was found to possess a chair as the most stable conformation in the...

Showing 1 to 12 of 92 entries