Results 1 to 10 of about 77,861 (309)

Synthesis and application of hypercrosslinked polymers with weak cation-exchange character for the selective extraction of basic pharmaceuticals from complex environmental water samples [PDF]

open access: yes, 2010
The synthesis of high specific surface area sorbents (HXLPP-WCX) in the form of hypercrosslinked polymer microspheres with narrow particle size distributions, average particle diameters around 6 µm, and weak cation exchange (WCX) character, is described.
Borrull, F.   +5 more
core   +1 more source

Plant Resins-Chemistry, Evolution Ecology and Ethnobotany [PDF]

open access: yesHortScience, 2005
Plant resins are often something ornamental horticulturists either ignore or endure-particularly when they clog up pruners. This book gives a different view-a rhyme and reason as to why plants produce resins and how generations of people have used resins for economic or personal benefit.
openaire   +1 more source

Evaluation of Inhibition Activity of Rosmerinus officinalis plant watery and oily extracts on some pathogenic Microorganisms

open access: yesThe Iraqi Journal of Veterinary Medicine, 2009
This study included evaluation of inhibition activity of watery and oily extracts of Rosmerinus officinalis plant on some pathogenic microorganisms like Salmonella typhi، Escheichia coli ، Staphylococcus aureus ، Klebsiella pneumoniae، Aeromonas ...
Auroba M.S. Ibrahim
doaj   +1 more source

Processing of Chloride-Containing Productive Solutions after Uranium in situ Leaching by Ion Exchange Method

open access: yesIndonesian Journal of Chemistry, 2019
The uranium sorption from productive solutions containing chloride ions using anion-exchange resins was investigated. The VPAE ion exchanger had the highest values of the sorption capacity, which for the experiment in the static mode was 13 kg U m-3, and
Svetlana Titova   +3 more
doaj   +1 more source

Plant diseases caused by heavy metals and their phytiatry with cation exchangers

open access: yesActa Agrobotanica, 2015
The noxious influence of heavy metals as lead, zinc, copper and lead on higher plants and soil fungi was described. Addition to the soil of Levatit cation exchangers consisting of polystyrene porous resins, charged with calcium or manganese in granulated
C. Van Assche, Ir. W. De Mey
doaj   +1 more source

Ecological Life Cycle Assessment Modified Novolaks Waste Used in Industrial Wastewater Treatment [PDF]

open access: yes, 2017
Ecological Life Cycle Assessment (LCA) applied in the assessment of the impact of products on the environment is a technique that allows for the evaluation of the environmental impact of polymeric flocculants used in industrial wastewater treatment ...
Bajdur, Wioletta M.   +3 more
core   +2 more sources

Thermoset polymers containing bio-based renewable resources

open access: yeseXPRESS Polymer Letters, 2009
Editorial ...
doaj   +1 more source

A clue on bee glue: New insight into the sources and factors driving resin intake in honeybees (Apis mellifera).

open access: yesPLoS ONE, 2019
Honeybees (Apis mellifera) are threatened by numerous pathogens and parasites. To prevent infections they apply cooperative behavioral defenses, such as allo-grooming and hygiene, or they use antimicrobial plant resin.
Nora Drescher   +3 more
doaj   +1 more source

Recent Advances in the Chemical Composition of Propolis

open access: yesMolecules, 2014
Propolis is a honeybee product with broad clinical applications. Current literature describes that propolis is collected from plant resins. From a systematic database search, 241 compounds were identified in propolis for the first time between 2000 and ...
Shuai Huang   +4 more
doaj   +1 more source

A review of amber and copal occurrences in Africa and their paleontological significance

open access: yesBSGF - Earth Sciences Bulletin, 2020
The paleontological interest for fossil plant resins (amber and copal) has greatly increased in the last decades, as field studies have resulted in the discovery of various new deposits worldwide.
Bouju Valentine, Perrichot Vincent
doaj   +1 more source

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