Sentences with phrase «by molecular weight»

The densities drop exponentially for every species of molecule at a rate given by molecular weight.
Weirdly, the atmosphere does not consist of layers of gasses sorted by their molecular weight.
The density of air is influenced by the molecular weight of the molecules.
The rover had taken in fine soil particles, heated them, and passed the gases that the heating drove off through its mass spectrometer, which can separate and identify the gases by molecular weight.

Not exact matches

A report issued in 2016 by The Cornucopia Institute summarized research on carrageenan, exposing the industry's hidden data demonstrating that all food - grade carrageenan contains a carcinogenic contaminant — low molecular weight poligeenan.
The cut - off is supposedly the molecular weight of the molecule that has a 90 % rejection by the membrane.
The membranes are categorized by their salt retention (RO and NF) molecular weight cut - off (NF and UF) or nominal pore size (MF).
The testing referred to by Cornucopia was done to identify low molecular weight carrageenan as a percentage of food - grade carrageenan.
The drug works by inhibiting an enzyme called low molecular weight protein tyrosine phosphatase (LMPTP), which seems to contribute to cells losing their sensitivity to insulin.
«After a short period of time they revert back to an innocuous by - product with a very low molecular weight that can easily be removed from the body,» he adds.
Furthermore, the scientists found that by adjusting variables like the molecular weight of the fluorine rubber, they could control the distribution and population of nanoparticles, while the presence of surfactant and heating accelerated their formation and influenced their size.
The polymer, he says, resists degradation by microbes because it is highly hydrophobic, has a high molecular weight that prevents it from entering bacterial cells, and has a stable structure consisting solely of C — C and C — H bonds.
And after the microbes grew on the polyethylene for 60 days, the mass of the plastic films decreased by 10 %, and the molecular weights of the polymer chains dropped by 13 %.
Mcc is a small — molecular - weight bacteriotoxin, with activity regulated in vivo by aggregation into amyloid fibrils at the stationary phase of the bacterial culture (Bieler et al., 2005; Shahnawaz et al., 2017).
Out of their three - year scientific partnership emerged the important method of light scattering for the determination of molecular weight and asymmetry of macromolecules based upon earlier theoretical formulations derived by Peter Debye.
The solos are homologous to QS LuxR - type molecules able to respond to endogenous AHL and binding to low molecular weight molecules synthetized by the plant other than AHLs (27), thereby expanding their regulatory repertoire.
«Deficient neuron - microglia signaling results in impaired functional brain connectivity and social behavior» Y. Zhan, R.C. Paolicelli, F. Sforazzini, L. Weinhard, G. Bolasco, F. Pagani, A. L. Vyssotski, A. Bifone, A. Gozzi, D. Ragozzino, C.T. Gross Nature Neuroscience 17 (3), 400-4006 (2014) «USPIO - loaded Red Blood Cells as a biomimetic MR contrast agent: a relaxometric study» A. Boni, D. Ceratti, A. Antonelli, C. Sfara, M. Magnani, E. Manuali, S. Salamida, A. Gozzi, and A. Bifone Contrast Media and Molecular Imaging 9, 229 - 236 (2014) «Distributed BOLD and CBV - weighted resting - state networks in the mouse brain» F. Sforazzini, A.J. Schwarz, A. Galbusera, A. Bifone, and A. Gozzi NeuroImage 87, 403 - 415 (2014) «Antimicrobial peptides design by evolutionary multiobject optimization» G. Maccari, M. Di Luca, R. Nifosì, F. Caldarelli, G. Signore, C. Boccardi, and A. Bifone PloS Computational Biology 9 (9): e1003212 (2013) «Differential effect of orexin - 1 and crf - 1 antagonism on stress circuits: a fMRI study in the rat with the pharmacological stressor yohimbine» A. Gozzi, S: Lepore, E: Merlo Pich, and A. Bifone Neuropsychopharmacology 38 (11): 2120 - 2130 (2013) «Water dispersal and functionalization of hydrophobic iron oxide nanoparticles with lipid - modified poly (amidoamine) dendrimers» A. Boni, L. Albertazzi, C. Innocenti, M. Gemmi, and A. Bifone.
Animals were administered 3 % (w / v) dextran sulfate sodium (DSS; molecular weight of 40,000 — 50,000; MP Biomedicals, Santa Ana, CA) in the drinking water for 7 days followed by recovery for 7 days.
For example, dispersion forces are a bit weaker in deuterated molecules, as evidenced by the fact that deuterated cyclopentadecanone, though higher in molecular weight, exits the GC column approximately 1.2 minutes before its normal counterparts [see figure 2A].
This method is able to resolve protein complexes of close molecular weights that might not be resolved by traditional chromatographic techniques such as gel filtration.
Inhibition of Helicobacter pylori adhesion to human gastric mucus by a high - molecular - weight constituent of cranberry juice.
This is by virtue of its antioxidant activity, which controls levels of cytokines, proteins of low molecular weight that can stimulate or inhibit cell recruitment to the airways.
HyaMax is not to be confused with HyaBest, another patented form of hyaluronic acid, which is manufactured by a Japanese company, but they're both equally well - absorbed with a low molecular weight.
It is modified by a proprietary process, which reduces the molecular weight of the pectin molecule.
This is a healing and soothing skin treatment that offers noticeable improvement by hydrating the skin with a low molecular weight hyaluronic serum, vitamins & minerals.
This two - pronged approach to define edible, nondigestible carbohydrates recognizes the diversity of carbohydrates in the human food supply that are not digested: plant cell wall and storage carbohydrates that predomi - nate in foods, carbohydrates contributed by animal foods, and isolated and low molecular weight carbohydrates that occur naturally or have been synthesized or otherwise manufactured.
As is typical of other grains, pulse starches are composed of amylose, a linear α -1,4-linked glucan with few branches in the molecular weight range of 105 — 106, and amylopectin, a highly branched and much larger molecule (molecular weight 107 — 109) composed of α -1,4-linked glycosyl units of varying lengths connected by α - 1,6 branch points.
Your dog's ball and socket are replaced by a durable metal alloy and a high molecular weight plastic.
Lower molecular weight means the particle size of the molecule is smaller and more easily absorbed by the digestive system than other less pure forms of chondroitin sulfate.
While the low molecular weight chondroitin sulfate is more expensive, it is supported by published, controlled U.S. clinical studies for efficacy, safety and absorption.
Low molecular weight means the particle size of the molecule is smaller and more easily absorbed by the digestive system than other less pure forms of chondroitin sulfate.
The crystallins, which make up over 90 % of the proteins in the lens, are specially adapted to contribute to the maintenance of transparency by forming soluble, high - molecular weight aggregates that need to stay in solution for the duration of an individual's life.
That happens because the density of the air is «diluted» by the addition of water vapour with a molecular weight of only 18 compared to air with a molecular weight of 29.
3) N2 has a molecular weight of 28 and O2 has a molecular weight of 32, so air has a molecular weight of 29 as already mentioned by Martin.
The conversion factor is 44/12 (molecular weight of CO2 divided by atomic weight of carbon).
The turbopause where the atmosphere starts to stratify by molecular or atomic weight is at a height of ~ 100 km.
The lapse rate will be less in the former than the latter (in this case by the ratio of molecular weights).
Due to its low molecular weight, water vapor is a lifting gas under STP conditions; however, it is limited by the low amount of water vapor which can exist in the air at a given point in time.
Among other things, the district court based its determination on its construction of the disputed term, relying on expert testimony presented by Teva that the term «molecular weight» was not ambiguous.
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