ionophores

The most common form of antibiotics are called ionophores.

Ionophores are not ordinarily used with dairy and other cattle, however.

Ionophores work by improving both feed efficiency and growth rate and lower methane production as one result.

In laboratory research, ionophores are used to increase the permeability of biological membranes to certain ions.

It is a member of the group of natural neutral ionophores because it does not have a residual charge.

Calixarenes are efficient sodium ionophores and are applied as such in chemical sensors.

Most prominent synthetic ionophores are based on crown ethers, cryptands, and calixarenes.

Ionophores (monensin, lasalocid), their structures, antibacterial activity and chemical modifications.

The two broad classifications of ionophores are:

No ionophores, or hormone supplements.

Ionophores were originally developed as coccidiostats for poultry and prevent coccidiosis in cattle as well.

Ionophores such as valinomycin also display a marked preference for the potassium cation over other cations.

The most commonly used procedure involves cytotoxic antibody followed by complement (immunosurgery) but ionophores have also been employed.

Nonactin is a member of a family of naturally occurring cyclic ionophores known as the macrotetrolide antibiotics.

Ionophores have not been shown to create antibiotic-resistant MRSA.

Applying ionophores like valinomycin can create electrochemic gradients that are comparable to the gradients inside the living cell.

Ionophores disrupt the transmembrane ion concentration gradients required for the proper functioning and survival of microorganisms, and thus have antibiotic properties.

IP receptors bind with ionophores that induce ADP and serotonin secretion.

The production of methane in the rumen can be greatly reduced by feeding cattle substances called ionophores, which Dr. Johnson described as "weak, selective antibiotics."

Biogenic amines are found to be selectively transported across lipid bilayer membranes upon doping LB-films with specific ionophores.

Additionally, some ionophores are used as antibiotics and/or as growth-enhancing feed additives for certain feed animals, such as cattle (see monensin).

One, initiated by DNA damage, absolutely requires the product of the p53 gene; the other; initiated by glucocorticoids, calcium ionophores or ageing, has no such requirement.

According to Parker these compounds are such strong ionophores that they were 'highly ineffective' at detecting arylammonium ions, such as ephedrinium, in the presence of metal ions.

It has been proposed that endoperoxides and thromboxane A 2 activate platelets by acting as calcium ionophores, hence mobilising intracellular free calcium (Gerrard et al, 1978).

ARE-directed mRNA degradation is influenced by many exogenous factors, including phorbol esters, calcium ionophores, cytokines, and transcription inhibitors.