Disassembly of microtubules and inhibition of neurite outgrowth, neuroblastoma cell proliferation, and MAP kinase tyrosine dephosphorylation by dibenzyl trisulphide.
- H. Rösner, L. Williams, A. Jung, W. Kraus
- Biology, ChemistryBiochimica et Biophysica Acta
- 22 August 2001
Pesticidal Potential of Tropical Plants—II. Acaricidal Activity of Crude Extracts of Several Jamaican Plants
- A. Mansingh, L. Williams
- 1 June 1998
Topical application of crude ethanol extracts (CEs) of the leaves of 43 of 51 Jamaican plants produced varying degrees of multiple acaricidal effects on engorged Boophilus microplus Canst., including…
A critical review of the therapeutic potential of dibenzyl trisulphide isolated from Petiveria alliacea L (guinea hen weed, anamu).
- L. Williams, H. Rosner, H. G. Levy, E. Barton
- Biology, ChemistryWest Indian medical journal
The data compiled in the present review on dibenzyl trisulphide (DTS) isolated from Petiveria alliacea L revealed that the compound and its derivatives could be of tremendous pharmaceutical interest.
An Insecticidal and Acaricidal Polysulfide Metabolite from the Roots of Petiveria alliacea
- L. Johnson, L. Williams, E. Roberts
- 1 July 1997
The present study reports on the insecticidal and acaricidal potentials of dibenzyltrisulfide (DBTS) isolated from the roots of Petiveria alliacea L. inside coffee berries using thin layer and high performance liquid chromatography.
Biological activities of an extract from Cleome viscosa L. (Capparaceae)
- L. Williams, E. Vasques, W. Reid, R. Porter, W. Kraus
- BiologyDie Naturwissenschaften
- 24 September 2003
Electron micrograph examination of the leaf and stem surfaces of Cleome viscosa L revealed the presence of secretory glandular trichomes with club-cylinder and cylinder morphologies, leading to a 14-member ring cembranoid diterpene being identified as one of the effective agents.
Chemical Composition and Antimicrobial Activity of the Essential Oils from Cleome Spinosa
- Megil J McNeil, R. Porter, L. Williams, L. Rainford
- Biology, MedicineNatural Product Communications
- 1 August 2010
The oils showed moderate insecticidal activity against Cylas formicarius elegantalus, but possessed no antioxidant activity as indicated by the DPPH method, and in vitro antioxidant, insecticidal and antimicrobial potential of the oil from the aerial parts were evaluated.
Biological Activities of the Extracts and Constituents of Pimento, Pimenta dioica L. against the Southern Cattle Tick, Boophilus microplus
- H. Brown, D. Minott, C. Ingram, L. Williams
- 1 March 1998
The berry essential oil was more effective at inhibiting oviposition and causing mortality of the ticks than all the extracts, the commercial acaricides and methyl eugenol.
Biological activity and chemical composition of the essential oil from Jamaican Hyptis verticillata Jacq.
- P. Facey, R. Porter, P. Reese, L. Williams
- Chemistry, MedicineJournal of Agricultural and Food Chemistry
- 21 May 2005
The oil exhibited chemosterilant activities against the cattle tick, Boophilus microplus Canest.
Changes in the contents of oleoresin and pungent bioactive principles of Jamaican ginger (Zingiber officinale Roscoe.) during maturation.
- Y. Bailey-Shaw, L. Williams, A. Smith
- Medicine, ChemistryJournal of Agricultural and Food Chemistry
- 20 June 2008
The results suggest that Bourbon in Portland may be the most ideal location for cultivating ginger for high yields and quality, however, Johnson Mountain in St. Thomas could prove to be the least restrictive location, allowing for harvesting of good quality material throughout the maturity period.
Rhizophora mangle (Rhizophoraceae) Triterpenoids with Insecticidal Activity
- L. Williams
- BiologyDie Naturwissenschaften
- 1 September 1999
The use of lasers in surgical practice has a number of advantages due to the specific nature of the effect that laser irradiation exerts on biological tissues, and the biological effects of low-intensity laser light re of special interest.