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Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including fish farming).Various other materials including nylon, polyester, polypropylene, polyethylene, plastic-coated welded wire, rubber, patented twine products (Spectra, Dyneema), and galvanized steel are also used for netting in aquaculture fish enclosures around the world.
Marine pharmacognosy is the investigation and identification of medically important plants and animals in the marine environment. It is a sub branch of terrestrial pharmacognosy. Generally the drugs are obtained from the marine species of bacteria, virus, algae, fungi and sponges.
Calcitriol is a hormone and the active form of vitamin D, normally made in the kidney. [8] [9] [10] It is also known as 1,25-dihydroxycholecalciferol.It binds to and activates the vitamin D receptor in the nucleus of the cell, which then increases the expression of many genes. [11]
The drug's mode of action is not exactly known at present, but experimental evidence indicates praziquantel increases the permeability of the membranes of schistosome cells towards calcium ions. The drug thereby induces contraction of the parasites' muscle, resulting in paralysis in the contracted state.
In China, Japan, India, and Germany, there is a great deal of interest in and support for the search for new drugs from higher plants. [4] For example, the Herbalome Project was launched in China in 2008 and aims to use high throughput sequencing and toxicity testing to identify active components in traditional herbal remedies.
In teleost fish, calcifediol is predominantly converted to calcitriol in the liver, rather than in the kidneys [23] which means circulating levels of calcifediol can be undetectable and alternative measures of vitamin D status are required. There has been some success in using dietary calcifediol supplementation in salmonids to improve growth ...
Nitrofurans have been found in honey, meat and seafood. In people who have glucose-6-phosphate dehydrogenase deficiency (G-6-PD deficiency), ingestion of fish, poultry, or other foodstuff that has been treated with nitrofurans, will likely suffer from hemolysis of red blood cells as a result of eating the contaminated food. [5]
Barringtonia asiatica, also known as fish poison tree, putat or sea poison tree, is a species of Barringtonia native to mangrove habitats from islands of the Indian Ocean in the west to tropical Asia and islands of the western Pacific Ocean.