long chain


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long chain

in bacteriology, a continuous line of more than eight cells.

long chain

Chemistry
adjective Referring to a polymer of sugars, amino acids or fatty acids that is longer than a short or medium chain, and is defined by the family of compounds to which it belongs. For example, short-chain fatty acids have 6 or fewer carbons, medium-chain fatty acids are 6 to 12 carbons and long-chain fatty acids have more than 12 carbons. 

Microbiology
adjective Referring to a catenation with eight bacteria in a row.
References in periodicals archive ?
A strain sweep was then used to investigate the presence and degree of long chain branching between the two samples, shown in figure 2.
Treatment with VK0214 produced robust and durable reductions in plasma levels of the lysophosphatidylcholine (LPC) derived C26:0, C24:0, C22:0 and C20:0 very long chain fatty acid esters throughout the study.
Keywords: Water hyacinth (Eichhornia crassipes), Non polar fraction, Long chain, alcohols, Oily fraction, Antimicrobial
However, none produce blends of polyethylene with long chain branches.
8,491,875 B2; Kao Corporation, Tokyo, has patented a volumizing shampoo that contains surfactant selected from anionic surfactants, amphoteric surfactants, zwitterionic surfactants, and mixtures thereof; a waxy material having a melting point of from about 55[degrees]C to about 75[degrees]C selected from natural waxes of animal or plant origin; alkyl-modified dimethicones, copolymers of vinyl pyrrolidone and long chain alpha-olefins, synthetic wax/highly branched polyalpha--olefin polymers, and mixtures thereof; and water.
The child was started on the MCT-based dietary formula treatment (Monogen[R] Nutricia, North America) containing 90% MCT and 10% long chain triglycerides (LCT), with subsequent improvement in the general condition and cardiac function.
16] We conducted a meta-analysis to quantitatively estimate the correlation between blood levels of long chain n-3 PUFA and its derivatives with the incidence of prostate cancer in epidemiological studies.
Derived exclusively from algae, this combination of long chain omega 3s delivers numerous heart health benefits.
When a person donates a kidney to a broad pool of potential recipients, that single altruistic act can kick off a long chain of donations that leads to more transplants for hard-to-match patients, a mathematical analysis concludes.
On 27 June, the European Food Safety Authority (EFSA) received a letter from the European Commission (EC) requesting that it "review the existing scientific data on the possible link between the intake of omega-3 long chain polyunsaturated fatty acids, alone or combined (DHA and/or EPA and/or DPA) and adverse health effects, and to advise the Commission on a tolerable upper level of intake (UL) for omega-3 long-chain polyunsaturated fatty acids, alone or combined (DHA and/or EPA and/or DPA) for the general population and, if appropriate, for vulnerable subgroups of the population.
Plants such as flaxseed can produce short-chain omega-3 oils, but are unable to produce the more beneficial long chain omega-3 oils containing DHA.
Greater total omega-3 fatty acid intake upon enrollment was associated with a lower risk of hearing loss, and increased long chain omega-3 fatty acid intake was associated with a reduced risk of developing hearing loss over follow-up.