grafting Articles
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Sorption of Pb(II) by poly(hydroxamic acid) grafted oil palm empty fruit bunch
This paper describes the sorption of Pb(II) from aqueous solution. Oil palm empty fruit bunch (OPEFB) fiber was first grafted with poly(methylacrylate) and then treated with hydroxylammonium chloride in alkaline medium to produce hydroxamic acid (PHA) grafted OPEFB. Sorption of Pb(II) by PHA-OPEFB was maximum at pH 5. The sorption followed the Langmuir model with maximum capacityof 125.0 mg g−1 ...
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Injection techniques for bulk cell seeding decellularised vascular scaffolds
Tissue engineering small diameter vascular grafts requires excessive culture times to produce an appropriate extracellular matrix (ECM). The use of decellularised exogenous tissue as a scaffold has the potential to overcome this limitation due to the preformed ideal ECM architecture that remains after decellularisation. While this scaffold reduces ECM maturation times cell seeding is difficult ...
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Adaptation and mitigation of climate change in vegetable cultivation: a review
Climate change is an unavoidable phenomenon of natural and anthropogenic origin against which mitigation and adaptation are required to reduce the magnitude of impact and vulnerability, to avoid risk in vegetable farming and to ensure sustainable livelihoods of the agricultural community. Genetic improvement of vegetable crops is an appropriate adaptation strategy to cope with climate change ...
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Irrigation scheduling under water shortage: investigation of scion-rootstock of peach and water deficit combinations
Adequate choice of variety, rootstock and irrigation techniques could be, together, sources of improvement of water use. A field experiment was carried out in northern Tunisia on two drip irrigated peach varieties grafted on two rootstocks. Two deficit levels, mild DI1 and severe DI2, were applied. Phenological survey allowed determination of the crop growth stages: initial, development, mid- ...
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Printed human body parts could soon be available for transplant
EVERY year about 120,000 organs, mostly kidneys, are transplanted from one human being to another. Sometimes the donor is a living volunteer. Usually, though, he or she is the victim of an accident, stroke, heart attack or similar sudden event that has terminated the life of an otherwise healthy individual. But a lack of suitable donors, particularly as cars get safer and first-aid becomes ...
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