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Items: 1 to 50 of 84

1.

A Framework to Understand Extreme Space Weather Event Probability.

Jonas S, Fronczyk K, Pratt LM.

Risk Anal. 2018 Aug;38(8):1534-1540. doi: 10.1111/risa.12981. Epub 2018 Mar 12.

PMID:
29529348
2.

Integrated carbon, sulfur, and nitrogen isotope chemostratigraphy of the Ediacaran Lantian Formation in South China: Spatial gradient, ocean redox oscillation, and fossil distribution.

Wang W, Guan C, Zhou C, Peng Y, Pratt LM, Chen X, Chen L, Chen Z, Yuan X, Xiao S.

Geobiology. 2017 Jul;15(4):552-571. doi: 10.1111/gbi.12226. Epub 2017 Jan 6.

PMID:
28063179
3.

Hydrogen Isotopic Composition of Arctic and Atmospheric CH4 Determined by a Portable Near-Infrared Cavity Ring-Down Spectrometer with a Cryogenic Pre-Concentrator.

Chen Y, Lehmann KK, Peng Y, Pratt LM, White JR, Cadieux SB, Sherwood Lollar B, Lacrampe-Couloume G, Onstott TC.

Astrobiology. 2016 Oct;16(10):787-797. Epub 2016 Sep 22.

PMID:
27732068
4.

Unanticipated Geochemical and Microbial Community Structure under Seasonal Ice Cover in a Dilute, Dimictic Arctic Lake.

Schütte UM, Cadieux SB, Hemmerich C, Pratt LM, White JR.

Front Microbiol. 2016 Jul 5;7:1035. doi: 10.3389/fmicb.2016.01035. eCollection 2016.

5.

Low Counts of B Cells, Natural Killer Cells, Monocytes, Dendritic Cells, Basophils, and Eosinophils are Associated with Postengraftment Infections after Allogeneic Hematopoietic Cell Transplantation.

Podgorny PJ, Pratt LM, Liu Y, Dharmani-Khan P, Luider J, Auer-Grzesiak I, Mansoor A, Williamson TS, Ugarte-Torres A, Hoegh-Petersen M, Khan FM, Larratt L, Jimenez-Zepeda VH, Stewart DA, Russell JA, Daly A, Storek J.

Biol Blood Marrow Transplant. 2016 Jan;22(1):37-46. doi: 10.1016/j.bbmt.2015.09.003. Epub 2015 Sep 9.

6.

Mixed aggregates of 1-methoxyallenyllithium with lithium chloride.

Pratt LM, Dixon DD, Tius MA.

ChemistryOpen. 2014 Dec;3(6):250-5. doi: 10.1002/open.201402025. Epub 2014 Nov 19.

7.

Racial differences in sensitivity of blood pressure to aldosterone.

Tu W, Eckert GJ, Hannon TS, Liu H, Pratt LM, Wagner MA, Dimeglio LA, Jung J, Pratt JH.

Hypertension. 2014 Jun;63(6):1212-8. doi: 10.1161/HYPERTENSIONAHA.113.02989. Epub 2014 Apr 7.

8.

Immune cell subset counts associated with graft-versus-host disease.

Podgorny PJ, Liu Y, Dharmani-Khan P, Pratt LM, Jamani K, Luider J, Auer-Grzesiak I, Mansoor A, Williamson TS, Ugarte-Torres A, Hoegh-Petersen M, Stewart DA, Daly A, Khan FM, Russell JA, Storek J.

Biol Blood Marrow Transplant. 2014 Apr;20(4):450-62. doi: 10.1016/j.bbmt.2014.01.002. Epub 2014 Jan 6.

9.

Rearrangement reactions of lithiated oxiranes.

Ramachandran BR, Waithe S, Pratt LM.

J Org Chem. 2013 Nov 1;78(21):10776-83. doi: 10.1021/jo401763v. Epub 2013 Oct 14. Erratum in: J Org Chem. 2014 Jan 3;79(1):471.

PMID:
24079374
10.

New rotenoids and coumaronochromonoids from the aerial part of Boerhaavia erecta.

Do TM, Truong AV, Pinnock TG, Pratt LM, Yamamoto S, Watarai H, Guillaume D, Nguyen KP.

Chem Pharm Bull (Tokyo). 2013;61(6):624-30.

11.

IL15 levels on day 7 after hematopoietic cell transplantation predict chronic GVHD.

Pratt LM, Liu Y, Ugarte-Torres A, Hoegh-Petersen M, Podgorny PJ, Lyon AW, Williamson TS, Khan FM, Chaudhry MA, Daly A, Stewart DA, Russell JA, Grigg A, Ritchie D, Storek J.

Bone Marrow Transplant. 2013 May;48(5):722-8. doi: 10.1038/bmt.2012.210. Epub 2012 Nov 19.

PMID:
23165502
12.

Carbenoid alkene insertion reactions of oxiranyllithiums.

Pratt LM, Mai BK, Ramachandran BR.

J Org Chem. 2012 Oct 5;77(19):8605-14. doi: 10.1021/jo301550y. Epub 2012 Sep 26. Erratum in: J Org Chem. 2014 Jan 3;79(1):472.

PMID:
22985313
13.

Lignans and triterpenes from the root of Pseuderanthemum carruthersii var. atropurpureum.

Vo TN, Nguyen PL, Tuong LT, Pratt LM, Vo PN, Nguyen KP, Nguyen NS.

Chem Pharm Bull (Tokyo). 2012;60(9):1125-33.

14.

A computational study of lithium cuprate mixed aggregates.

Khiem CN, Thach le N, Iwasaki T, Kambe N, Boguslavskiy AA, Pratt LM.

J Phys Chem A. 2012 Sep 13;116(36):9027-32. doi: 10.1021/jp3034424. Epub 2012 Sep 4.

PMID:
22920675
15.

Nitrogen dynamics and reactivity of chiral aziridines: generation of configurationally stable aziridinyllithium compounds.

Degennaro L, Mansueto R, Carenza E, Rizzi R, Florio S, Pratt LM, Luisi R.

Chemistry. 2011 Apr 26;17(18):4992-5003. doi: 10.1002/chem.201003424. Epub 2011 Apr 4.

PMID:
21465584
16.

Nickel-catalyzed alkyl coupling reactions: evaluation of computational methods.

Pratt LM, Voit S, Okeke FN, Kambe N.

J Phys Chem A. 2011 Mar 24;115(11):2281-90. doi: 10.1021/jp1077196. Epub 2011 Feb 25.

PMID:
21351749
17.

Effects of rapid global warming at the Paleocene-Eocene boundary on neotropical vegetation.

Jaramillo C, Ochoa D, Contreras L, Pagani M, Carvajal-Ortiz H, Pratt LM, Krishnan S, Cardona A, Romero M, Quiroz L, Rodriguez G, Rueda MJ, de la Parra F, Morón S, Green W, Bayona G, Montes C, Quintero O, Ramirez R, Mora G, Schouten S, Bermudez H, Navarrete R, Parra F, Alvarán M, Osorno J, Crowley JL, Valencia V, Vervoort J.

Science. 2010 Nov 12;330(6006):957-61. doi: 10.1126/science.1193833.

18.

Computational strategies for reactions of aggregated and solvated organolithium carbenoids.

Ramachandran B, Kharidehal P, Pratt LM, Voit S, Okeke FN, Ewan M.

J Phys Chem A. 2010 Aug 19;114(32):8423-33. doi: 10.1021/jp104246k.

PMID:
20666488
19.

Gas phase and solution structures of 1-methoxyallenyllithium.

Dixon DD, Tius MA, Pratt LM.

J Org Chem. 2009 Aug 21;74(16):5881-6. doi: 10.1021/jo9008063.

PMID:
20560562
20.

Lithium cuprate coupling reactions: evaluation of computational methods for determination of the reaction mechanisms.

Pratt LM, Voit S, Mai BK, Nguyen BH.

J Phys Chem A. 2010 Apr 15;114(14):5005-15. doi: 10.1021/jp100076d.

PMID:
20307073
21.

Microbial communities in subpermafrost saline fracture water at the Lupin Au mine, Nunavut, Canada.

Onstott TC, McGown DJ, Bakermans C, Ruskeeniemi T, Ahonen L, Telling J, Soffientino B, Pfiffner SM, Sherwood-Lollar B, Frape S, Stotler R, Johnson EJ, Vishnivetskaya TA, Rothmel R, Pratt LM.

Microb Ecol. 2009 Nov;58(4):786-807. doi: 10.1007/s00248-009-9553-5. Epub 2009 Jul 1.

PMID:
19568805
22.

Sulfur isotope enrichment during maintenance metabolism in the thermophilic sulfate-reducing bacterium Desulfotomaculum putei.

Davidson MM, Bisher ME, Pratt LM, Fong J, Southam G, Pfiffner SM, Reches Z, Onstott TC.

Appl Environ Microbiol. 2009 Sep;75(17):5621-30. doi: 10.1128/AEM.02948-08. Epub 2009 Jun 26.

23.

Environmental genomics reveals a single-species ecosystem deep within Earth.

Chivian D, Brodie EL, Alm EJ, Culley DE, Dehal PS, DeSantis TZ, Gihring TM, Lapidus A, Lin LH, Lowry SR, Moser DP, Richardson PM, Southam G, Wanger G, Pratt LM, Andersen GL, Hazen TC, Brockman FJ, Arkin AP, Onstott TC.

Science. 2008 Oct 10;322(5899):275-8. doi: 10.1126/science.1155495.

24.

Challenges for coring deep permafrost on Earth and Mars.

Pfiffner SM, Onstott TC, Ruskeeniemi T, Talikka M, Bakermans C, McGown D, Chan E, Johnson A, Phelps TJ, Le Puil M, Difurio SA, Pratt LM, Stotler R, Frape S, Telling J, Lollar BS, Neill I, Zerbin B.

Astrobiology. 2008 Jun;8(3):623-38. doi: 10.1089/ast.2007.0159.

PMID:
18680412
25.

A computational study of lithium ketone enolate aggregation in the gas phase and in THF solution.

Pratt LM, Nguyen SC, Bui TT.

J Org Chem. 2008 Aug 15;73(16):6086-91. doi: 10.1021/jo800528y. Epub 2008 Jul 23.

PMID:
18646860
26.

Hydrogeologic controls on episodic H2 release from precambrian fractured rocks--energy for deep subsurface life on earth and mars.

Sherwood Lollar B, Voglesonger K, Lin LH, Lacrampe-Couloume G, Telling J, Abrajano TA, Onstott TC, Pratt LM.

Astrobiology. 2007 Dec;7(6):971-86. doi: 10.1089/ast.2006.0096.

PMID:
18163873
27.

Gambling problems and features of attention deficit hyperactivity disorder among children and adolescents.

Derevensky JL, Pratt LM, Hardoon KK, Gupta R.

J Addict Med. 2007 Sep;1(3):165-72. doi: 10.1097/ADM.0b013e318142d081.

PMID:
21768953
28.

Versatile inlet system for on-line compound-specific deltaD and delta13C gas chromatography-oxidation/reduction-isotope ratio mass spectrometry analysis of gaseous mixtures.

Henning M, Strapoć D, Lis GP, Sauer P, Fong J, Schimmelmann A, Pratt LM.

Rapid Commun Mass Spectrom. 2007;21(14):2269-72.

PMID:
17577874
29.

Aggregation of alkyllithiums in tetrahydrofuran.

Pratt LM, Truhlar DG, Cramer CJ, Kass SR, Thompson JD, Xidos JD.

J Org Chem. 2007 Apr 13;72(8):2962-6. Epub 2007 Mar 15.

PMID:
17358078
30.

Solvent and temperature effects on the reduction and amination reactions of electrophiles by lithium dialkylaminoborohydrides.

Pasumansky L, Collins CJ, Pratt LM, Nguyên NV, Ramachandran B, Singaram B.

J Org Chem. 2007 Feb 2;72(3):971-6.

PMID:
17253818
31.

Oxidation of the Ediacaran ocean.

Fike DA, Grotzinger JP, Pratt LM, Summons RE.

Nature. 2006 Dec 7;444(7120):744-7.

PMID:
17151665
32.

Long-term sustainability of a high-energy, low-diversity crustal biome.

Lin LH, Wang PL, Rumble D, Lippmann-Pipke J, Boice E, Pratt LM, Sherwood Lollar B, Brodie EL, Hazen TC, Andersen GL, DeSantis TZ, Moser DP, Kershaw D, Onstott TC.

Science. 2006 Oct 20;314(5798):479-82.

33.

Novel diborane-analogue transition structures for borane reactions with alkyl halides.

Pratt LM, Van Nguyên N.

J Phys Chem A. 2006 Jan 19;110(2):687-90.

PMID:
16405341
34.

Desulfotomaculum and Methanobacterium spp. dominate a 4- to 5-kilometer-deep fault.

Moser DP, Gihring TM, Brockman FJ, Fredrickson JK, Balkwill DL, Dollhopf ME, Lollar BS, Pratt LM, Boice E, Southam G, Wanger G, Baker BJ, Pfiffner SM, Lin LH, Onstott TC.

Appl Environ Microbiol. 2005 Dec;71(12):8773-83.

35.

Gas-phase reactions of lithium dimethylaminoborohydride and related species.

Pratt LM, Nguyên NV.

J Org Chem. 2005 Dec 9;70(25):10561-4.

PMID:
16323871
36.

A computational study of mixed aggregates of chloromethyllithium with lithium dialkylamides.

Pratt LM, Lê LT, Truong TN.

J Org Chem. 2005 Oct 14;70(21):8298-302.

PMID:
16209570
37.

A computational study of oxiranyllithium.

Pratt LM, Ramachandran B.

J Org Chem. 2005 Sep 2;70(18):7238-42.

PMID:
16122243
38.

Computational strategies for evaluating barrier heights for gas-phase reactions of lithium enolates.

Pratt LM, Van Nguyên N, Ramachandran B.

J Org Chem. 2005 May 27;70(11):4279-83.

PMID:
15903301
39.

Tetrafluorobenzyne thermochemistry: experiment and theory.

Pratt LM, Fattahi A, Kass SR.

Eur J Mass Spectrom (Chichester). 2004;10(6):813-8.

PMID:
15775041
40.

Structure, bonding, and solvation of lithium vinylcarbenoids.

Pratt LM, Nguyên NV, Lê LT.

J Org Chem. 2005 Mar 18;70(6):2294-8.

PMID:
15760217
41.

N,O-dilithio-2-(N-methylamino)ethanol: an intramolecular mixed aggregate.

Pratt LM, Mu R, Jones DR.

J Org Chem. 2005 Jan 7;70(1):101-4.

PMID:
15624910
42.

Electronic structure of persistent radicals: nitroxides.

Novak I, Harrison LJ, Kovac B, Pratt LM.

J Org Chem. 2004 Oct 29;69(22):7628-34.

PMID:
15497990
43.

Structure, bonding, and solvation of dilithiodiamines.

Pratt LM, Mu R.

J Org Chem. 2004 Oct 29;69(22):7519-24.

PMID:
15497977
44.

Leaving group effects in gas-phase substitutions and eliminations.

Gronert S, Fagin AE, Okamoto K, Mogali S, Pratt LM.

J Am Chem Soc. 2004 Oct 13;126(40):12977-83.

PMID:
15469295
46.
47.

34S isotope effect on sulfate ester hydrolysis: mechanistic implications.

Burlingham BT, Pratt LM, Davidson ER, Shiner VJ Jr, Fong J, Widlanski TS.

J Am Chem Soc. 2003 Oct 29;125(43):13036-7.

PMID:
14570471
48.

Intravitreal triamcinolone for choroidal neovascularization in ocular histoplasmosis syndrome.

Rechtman E, Allen VD, Danis RP, Pratt LM, Harris A, Speicher MA.

Am J Ophthalmol. 2003 Oct;136(4):739-41.

PMID:
14516819
49.

Solvent effects on the aggregation state of lithium dialkylaminoborohydrides.

Pratt LM, Mogali S, Glinton K.

J Org Chem. 2003 Aug 22;68(17):6484-8.

PMID:
12919007
50.

Ketone enolization with lithium dialkylamides: the effects of structure, solvation, and mixed aggregates with excess butyllithium.

Pratt LM, Newman A, Cyr JS, Johnson H, Miles B, Lattier A, Austin E, Henderson S, Hershey B, Lin M, Balamraju Y, Sammonds L, Cheramie J, Karnes J, Hymel E, Woodford B, Carter C.

J Org Chem. 2003 Aug 8;68(16):6387-91.

PMID:
12895075

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