American Research Products
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Das in Massachusetts ansässige Unternehmen American Research Products (ARP) liefert seit 1994 hochwertige Produkte an Forschungslabors in Krankenhäusern, Universitäten und Biotechnologieunternehmen in aller Welt.
ARP liefert monoklonale und polyklonale Antikörper sowie gereinigte und rekombinante Antigene für die Forschung. Der Produktkatalog für die Diagnostik umfasst Produkte für den Nachweis von Zytokinen und Wachstumsfaktoren, Infektionskrankheiten / TORCH und Autoimmunerkrankungen, Knochen- und Mineralstoffwechsel, Herzmarker, Katecholamine und Bioamine, Reproduktions- und Fruchtbarkeitstests, Tumormarker, Steroide sowie Produkte für die Endokrinologie, Neurologie.
Website: www.arp1.com
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Plant Growth Regulators - Auxins
Auxins were the first growth hormones to be discovered. Auxins are a class of plant hormones (or plant-growth regulators) derived from the amino acid tryptophan. Plants produce natural auxins such as Indole-3-acetic acid (IAA) and Indole butyric acid (IBA). Natural auxins are found in growing stems and roots from where they migrate to their site of action. Naphthalene acetic acid (NAA) and 2, 4-dichlorophenoxyacetic (2, 4-D) are examples of synthetic auxins.
Auxins are found in shoot and root tips and promote cell division, stem and root growth. They can also drastically affect plant orientation by promoting cell division to one side of the plant in response to sunlight and gravity, named phototropism. Auxins in the flower promote maturation of the ovary wall and promote steps in the full development of the fruit.
