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Showing 1 to 12 of 302 entries
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An ultrastructural search for lectin-binding sites on surfaces of spinach leaf organelles.

Planta

Frederick SE, Nies B, Gruber PJ.
PMID: 24302382
Planta. 1981 Jun;152(2):145-52. doi: 10.1007/BF00391186.

Organelles isolated from leaves of spinach (Spinacia oleracea L.) were prefixed in glutaraldehyde and then incubated with ferritin conjugates of four lectins - Concanavalin A (Con A), Ricinus communis L. agglutinin, MW 120,000 (RCA), soybean agglutinin (SBA), and wheat...

Crystal structure of tetra-aqua-bis-(pyrimidin-1-ium-4,6-diolato-Îş.

Acta crystallographica. Section E, Crystallographic communications

Shennara KA, Butcher RJ, Greenaway FT.
PMID: 28435734
Acta Crystallogr E Crystallogr Commun. 2017 Mar 31;73:620-622. doi: 10.1107/S2056989017004649. eCollection 2017 Apr 01.

The Mn

A Systematic Review of Heavy Metals of Anthropogenic Origin in Environmental Media and Biota in the Context of Gold Mining in Ghana.

International scholarly research notices

Armah FA, Quansah R, Luginaah I.
PMID: 27351015
Int Sch Res Notices. 2014 Nov 09;2014:252148. doi: 10.1155/2014/252148. eCollection 2014.

Heavy metal accumulation in the food chain is an issue of global concern because it eventually leads to toxic effects on humans through the water we drink, contaminated soils, crops, and animals. Reports of toxicant levels in environmental media...

Formal Synthesis of (+)- and (-)-Perhydrohistrionicotoxin: A "Double Henry"/Enzymatic Desymmetrization Route to the Kishi Lactam(1).

The Journal of organic chemistry

Luzzio FA, Fitch RW.
PMID: 11674611
J Org Chem. 1999 Jul 23;64(15):5485-5493. doi: 10.1021/jo990293i.

Both antipodes of the Kishi lactam (3), the versatile intermediate for the synthesis of the perhydrohistrionicotoxin (pHTX) alkaloids, have been prepared. The synthetic route involved a "double Henry" condensation between glutaraldehyde and nitroacetal 5 giving meso dioxanyldiol 4 which...

Potential errors in measurement of nonuniform sap flow using heat dissipation probes.

Tree physiology

Clearwater MJ, Meinzer FC, Andrade JL, Goldstein G, Holbrook NM.
PMID: 12651324
Tree Physiol. 1999 Aug;19(10):681-687. doi: 10.1093/treephys/19.10.681.

The empirical calibration of Granier-type heat dissipation sap flow probes that relate temperature difference (DeltaT) to sap velocity (v) was reevaluated in stems of three tropical tree species. The original calibration was confirmed when the entire heated probe was...

Water utilization, plant hydraulic properties and xylem vulnerability in three contrasting coffee (Coffea arabica) cultivars.

Tree physiology

Tausend PC, Goldstein G, Meinzer FC.
PMID: 12651468
Tree Physiol. 2000 Feb;20(3):159-168. doi: 10.1093/treephys/20.3.159.

Water use, hydraulic properties and xylem vulnerability to cavitation were studied in the coffee (Coffea arabica L.) cultivars San Ramon, Yellow Caturra and Typica growing in the field under similar environmental conditions. The cultivars differed in growth habit, crown...

Geocryology. (Un)frozen in time.

Science (New York, N.Y.)

Nelson FE.
PMID: 12637725
Science. 2003 Mar 14;299(5613):1673-5. doi: 10.1126/science.1081111.

No abstract available.

Greenland Ice Sheet: High-Elevation Balance and Peripheral Thinning.

Science (New York, N.Y.)

Krabill W, Abdalati W, Frederick E, Manizade S, Martin C, Sonntag J, Swift R, Thomas R, Wright W, Yungel J.
PMID: 10903198
Science. 2000 Jul 21;289(5478):428-430. doi: 10.1126/science.289.5478.428.

Aircraft laser-altimeter surveys over northern Greenland in 1994 and 1999 have been coupled with previously reported data from southern Greenland to analyze the recent mass-balance of the Greenland Ice Sheet. Above 2000 meters elevation, the ice sheet is in...

Mothers of Vietnamese Amerasians: Psychological Distress and High-Risk Factors.

Asian American and Pacific Islander journal of health

Leong FT, Johnson MC.
PMID: 11567259
Asian Am Pac Isl J Health. 1994;2(1):31-48.

PURPOSE: The goal of the present article is to provide information useful to clinical caseworkers and mental health professionals on the nature and correlates of psychological distress as well as high­risk factors related to the adaptation of mothers of...

Improved hydrogen release from LiB0.33N0.67H2.67 with noble metal additions.

The journal of physical chemistry. B

Pinkerton FE, Meyer MS, Meisner GP, Balogh MP.
PMID: 16610895
J Phys Chem B. 2006 Apr 20;110(15):7967-74. doi: 10.1021/jp0557767.

The hydrogen release behavior of the quaternary hydride LiB(0.33)N(0.67)H(2.67) has been successfully improved through the incorporation of small quantities of noble metal. Adding 5 wt % Pd either as Pd metal particles or as PdCl(2) reduced the temperature T(1/2)...

Enzymes related to lactate metabolism in green algae and lower land plants.

Plant physiology

Gruber PJ, Frederick SE, Tolbert NE.
PMID: 16658670
Plant Physiol. 1974 Feb;53(2):167-70. doi: 10.1104/pp.53.2.167.

Cell-free extracts of Chlorella pyrenoidosa contained two enzymes capable of oxidizing d-lactate; these were glycolate dehydrogenase and NAD(+)-dependent d-lactate dehydrogenase. The two enzymes could be distinguished by differential centrifugation, glycolate dehydrogenase being largely particulate and NAD(+)-d-lactate dehydrogenase being soluble....

Mitochondrial dysfunction in liver disease and organ transplantation.

Mitochondrion

Hassanein T, Frederick T.
PMID: 16120418
Mitochondrion. 2004 Sep;4(5):609-20. doi: 10.1016/j.mito.2004.07.015.

The mitochondria play a crucial role in maintaining hepatocyte integrity and functions. Mitochondrial defects are either inherited or acquired. Mitochondria dysfunction occurs when the hepatocyte experience excessive physiologic stress. Its clinical presentation depends on the severity of the stress....

Showing 1 to 12 of 302 entries