Results 31 to 40 of about 77,861 (309)

Detection of Active Compounds in the Aqueous Extract of the Plant Leaves for Eriobotrya Japonica and Study the Effect of the Extract as an Antioxidant [PDF]

open access: yesEngineering and Technology Journal, 2016
This study was done for the purpose of detecting the active compounds in the aqueous extract of the plant leaves for Eriobotrya japonica that is one of evergreen plants and medicinal plants, which has the advantage, that possess therapeutic properties ...
Majid Sakhi Jaber   +2 more
doaj   +1 more source

Field Simulation of Global Change: Transplanting Northern Bog Mesocosms Southward [PDF]

open access: yes, 2010
A large proportion of northern peatlands consists of Sphagnum-dominated ombrotrophic bogs. In these bogs, peat mosses (Sphagnum) and vascular plants occur in an apparent stable equilibrium, thereby sustaining the carbon sink function of the bog ecosystem.
Berendse, F.   +3 more
core   +2 more sources

An insight into the botanical origins of propolis from permanent preservation and reforestation areas of southern Brazil

open access: yesScientific Reports, 2021
Brown propolis from permanent preservation and reforestation areas of southern Brazil have attracted international commercial interest and have a unique composition, although little is known about their botanical origins, which are the plant resins used ...
Alan Giovanini de Oliveira Sartori   +6 more
doaj   +1 more source

Stingless bees as collectors of resin from Bertholletia excelsa Bonpland (Lecythidaceae)

open access: yesEntomological Communications, 2023
Stingless bees build their nests using, in general, clay, wax and resins; in addition, these bees also use resins for defense against natural enemies and as an antimicrobial agent.
Iris A. Cruz, Paulo C. S. Barroso
doaj   +1 more source

Increased resin collection after parasite challenge: a case of self-medication in honey bees?

open access: yesPLoS ONE, 2012
The constant pressure posed by parasites has caused species throughout the animal kingdom to evolve suites of mechanisms to resist infection. Individual barriers and physiological defenses are considered the main barriers against parasites in ...
Michael D Simone-Finstrom, Marla Spivak
doaj   +1 more source

Effect of periodic backwash in the submerged membrane adsorption hybrid system [PDF]

open access: yes, 2006
The submerged membrane adsorption hybrid system (SMAHS) is an attractive solution in treating wastewater; however it faces membrane fouling although to a less extent.
Ben Aim, Roger   +4 more
core   +2 more sources

Antibacterial activity of resin rich plant extracts

open access: yesJournal of Pharmacy And Bioallied Sciences, 2013
The in vitro antibacterial activity of resin rich methanolic extracts (RRMEs) of Commiphora myrrha, Operculina turpethum, and Pinus roxburghii.Different concentration were studied by agar-well diffusion method against Gram-positive (Staphylococcus aureus, Bacillus subtilis, Micrococcus luteus, Enterococcus faecalis) and Gram-negative bacterial strains (
Mohd Shuaib   +4 more
openaire   +3 more sources

Characterization of Environmentally Sustainable Resole Phenolic Resins Synthesized with Plant-based Bioresources

open access: yesBioResources, 2015
“Green” resole phenolic resins for laminating applications were synthesized, and their properties and thermal stability were determined. The plant-based cardanol and condensed tannin were used as the partial substitutes of up to 40% of the phenol in the ...
Francisco Cardona   +1 more
doaj   +1 more source

Coagulant recovery from water treatment residuals: a review of applicable technologies [PDF]

open access: yes, 2014
Conventional water treatment consumes large quantities of coagulant and produces even greater volumes of sludge. Coagulant recovery (CR) presents an opportunity to reduce both the sludge quantities and the costs they incur, by regenerating and purifying ...
Jarvis, Peter   +2 more
core   +1 more source

Use of natural resins in repairing damaged timber beams – An experimental investigation [PDF]

open access: yes, 2019
Different techniques including the application of steel elements, composite materials and polymeric resins have been used in the past to repair damaged timber beams.
Benedetti, G   +3 more
core   +3 more sources

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