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Showing 1 to 12 of 114 entries
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Physical Characteristics of Tetrahydroxy and Acylated Derivatives of Jojoba Liquid Wax in Lubricant Applications.

Journal of analytical methods in chemistry

Harry-O'kuru RE, Biresaw G, Gordon S, Xu J.
PMID: 29484216
J Anal Methods Chem. 2018 Feb 01;2018:7548327. doi: 10.1155/2018/7548327. eCollection 2018.

Jojoba liquid wax is a mixture of esters of long-chain fatty acids and fatty alcohols mainly C38:2-C46:2. The oil exhibits excellent emolliency on the skin and, therefore, is a component in many personal care cosmetic formulations. The virgin oil...

Chemical and ultrastructural evidence that waxes associated with the suberin polymer constitute the major diffusion barrier to water vapor in potato tuber (Solanum tuberosum L.).

Planta

Soliday CL, Kolattukudy PE, Davis RW.
PMID: 24318335
Planta. 1979 Oct;146(5):607-14. doi: 10.1007/BF00388840.

Combined gas chromatography-mass spectrometry showed that C21, C23, and C25 n-alkanes accumulated in the suberized layers during wound healing of cores of potato tuber tissue. Treatment (10 min) of freshly-cut tissue with trichloroacetate (TCA), an inhibitor of fatty-acid chain...

Iron-based catalysts for the hydrogenation of esters to alcohols.

Journal of the American Chemical Society

Chakraborty S, Dai H, Bhattacharya P, Fairweather NT, Gibson MS, Krause JA, Guan H.
PMID: 24846811
J Am Chem Soc. 2014 Jun 04;136(22):7869-72. doi: 10.1021/ja504034q. Epub 2014 May 22.

Hydrogenation of esters is vital to the chemical industry for the production of alcohols, especially fatty alcohols that find broad applications in consumer products. Current technologies for ester hydrogenation rely on either heterogeneous catalysts operating under extreme temperatures and...

Substrate specificity of acetyltransferase and reductase enzyme systems used in pheromone biosynthesis by Asian corn borer,Ostrinia furnacalis.

Journal of chemical ecology

Zhao CH, Lu F, Bengtsson M, Löfstedt C.
PMID: 24233679
J Chem Ecol. 1995 Oct;21(10):1495-510. doi: 10.1007/BF02035148.

The substrate specificity of the acetyltransferase and the reductase enzyme systems used byOstrinia furnacalis (Lepidoptera: Pyralidae) in pheromone biosynthesis was studied in vivo by topical application of precursors to pheromone glands. Each of the tetradecenols, varying in double bond...

Separation techniques for the analysis of artists' acrylic emulsion paints.

Journal of separation science

Scalarone D, Chiantore O.
PMID: 15334913
J Sep Sci. 2004 Mar;27(4):263-74. doi: 10.1002/jssc.200301638.

Emulsion paints are complex chemical systems. The main problems in their characterization are related to the similarities in polymer composition and to the presence of many different types of additives. Thus high resolution separations, sensitivity, and response specificity are...

Aromatase inhibitors from Urtica dioica roots.

Planta medica

Gansser D, Spiteller G.
PMID: 17238068
Planta Med. 1995 Apr;61(2):138-40. doi: 10.1055/s-2006-958033.

Methanolic extracts of stinging nettle (Urtica dioica L.) roots were investigated for aromatase inhibition. Enzyme inhibition was detected only after appropriate chromatographic separation. Inhibitory effects on aromatase could be demonstrated in vitro for a variety of compounds belonging to...

Chemical pruning of plants.

Science (New York, N.Y.)

Cathey HM, Steffens GL, Stuart NW, Zimmerman RH.
PMID: 17814389
Science. 1966 Sep 16;153(3742):1382-3. doi: 10.1126/science.153.3742.1382.

The lower alkyl esters of the C(8) to C(12) fatty acids and the C(8) to C(10) fatty alcohols selectively kill or inhibit the terminal meristem without damaging the axillary meristems, foliage, or stem tissue of a wide variety of...

Determination of structure and composition of suberin from the roots of carrot, parsnip, rutabaga, turnip, red beet, and sweet potato by combined gas-liquid chromatography and mass spectrometry.

Plant physiology

Kolattukudy PE, Kronman K, Poulose AJ.
PMID: 16659124
Plant Physiol. 1975 Mar;55(3):567-73. doi: 10.1104/pp.55.3.567.

Suberin from the roots of carrots (Daucus carota), parsnip (Pastinaca sativa), rutabaga (Brassica napobrassica), turnip (Brassica rapa), red beet (Beta vulgaris), and sweet potato (Ipomoea batatas) was isolated by a combination of chemical and enzymatic techniques. Finely powdered suberin...

Sicklepod Surface Wax Response to Photoperiod and S-(2,3-Dichloroallyl)diisopropylthiocarbamate (Diallate).

Plant physiology

Wilkinson RE.
PMID: 16658689
Plant Physiol. 1974 Feb;53(2):269-75. doi: 10.1104/pp.53.2.269.

Sicklepod (Cassia obtusifolia L.) leaflet epicuticular fatty acid, fatty alcohol, and hydrocarbon contents were measured by gas-liquid chromatography from plants grown under 10-, 12-, 14-, or 16-hour photoperiods and treated with S-(2,3-dichloroallyl)diisopropylthiocarbamate (diallate) (0, 0.14, 0.28, 0.56, 1.12 kilograms...

Effects of fatty acid activation on photosynthetic production of fatty acid-based biofuels in Synechocystis sp. PCC6803.

Biotechnology for biofuels

Gao Q, Wang W, Zhao H, Lu X.
PMID: 22433663
Biotechnol Biofuels. 2012 Mar 21;5(1):17. doi: 10.1186/1754-6834-5-17.

BACKGROUND: Direct conversion of solar energy and carbon dioxide to drop in fuel molecules in a single biological system can be achieved from fatty acid-based biofuels such as fatty alcohols and alkanes. These molecules have similar properties to fossil...

Nanostructures in n-Octanol Equilibrated with Additives and/or Water.

Langmuir : the ACS journal of surfaces and colloids

Cevc G, Berts I, Fischer SF, Rädler JO, Nickel B.
PMID: 29685034
Langmuir. 2018 May 29;34(21):6285-6295. doi: 10.1021/acs.langmuir.8b00142. Epub 2018 May 16.

Fluid fatty alcohols are believed to be nanostructured but broadly amorphous (i.e., noncrystalline) fluids and solvents, including the most popular fatty tissue mimetic, hydrated n-octanol (i.e., hydro-octanol). To check this premise, we studied dry octanol and hydro-octanol as a...

Environmental Processing of Lipids Driven by Aqueous Photochemistry of α-Keto Acids.

ACS central science

Rapf RJ, Perkins RJ, Dooley MR, Kroll JA, Carpenter BK, Vaida V.
PMID: 29806009
ACS Cent Sci. 2018 May 23;4(5):624-630. doi: 10.1021/acscentsci.8b00124. Epub 2018 Apr 18.

Sunlight can initiate photochemical reactions of organic molecules though direct photolysis, photosensitization, and indirect processes, often leading to complex radical chemistry that can increase molecular complexity in the environment. α-Keto acids act as photoinitiators for organic species that are...

Showing 1 to 12 of 114 entries