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Items: 31

1.

Clay mineral diversity and abundance in sedimentary rocks of Gale crater, Mars.

Bristow TF, Rampe EB, Achilles CN, Blake DF, Chipera SJ, Craig P, Crisp JA, Des Marais DJ, Downs RT, Gellert R, Grotzinger JP, Gupta S, Hazen RM, Horgan B, Hogancamp JV, Mangold N, Mahaffy PR, McAdam AC, Ming DW, Morookian JM, Morris RV, Morrison SM, Treiman AH, Vaniman DT, Vasavada AR, Yen AS.

Sci Adv. 2018 Jun 6;4(6):eaar3330. doi: 10.1126/sciadv.aar3330. eCollection 2018 Jun.

2.

Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars.

Eigenbrode JL, Summons RE, Steele A, Freissinet C, Millan M, Navarro-González R, Sutter B, McAdam AC, Franz HB, Glavin DP, Archer PD Jr, Mahaffy PR, Conrad PG, Hurowitz JA, Grotzinger JP, Gupta S, Ming DW, Sumner DY, Szopa C, Malespin C, Buch A, Coll P.

Science. 2018 Jun 8;360(6393):1096-1101. doi: 10.1126/science.aas9185.

3.

Background levels of methane in Mars' atmosphere show strong seasonal variations.

Webster CR, Mahaffy PR, Atreya SK, Moores JE, Flesch GJ, Malespin C, McKay CP, Martinez G, Smith CL, Martin-Torres J, Gomez-Elvira J, Zorzano MP, Wong MH, Trainer MG, Steele A, Archer D Jr, Sutter B, Coll PJ, Freissinet C, Meslin PY, Gough RV, House CH, Pavlov A, Eigenbrode JL, Glavin DP, Pearson JC, Keymeulen D, Christensen LE, Schwenzer SP, Navarro-Gonzalez R, Pla-García J, Rafkin SCR, Vicente-Retortillo Á, Kahanpää H, Viudez-Moreiras D, Smith MD, Harri AM, Genzer M, Hassler DM, Lemmon M, Crisp J, Sander SP, Zurek RW, Vasavada AR.

Science. 2018 Jun 8;360(6393):1093-1096. doi: 10.1126/science.aaq0131.

PMID:
29880682
4.

Fingerprinting Non-Terran Biosignatures.

Johnson SS, Anslyn EV, Graham HV, Mahaffy PR, Ellington AD.

Astrobiology. 2018 Jul;18(7):915-922. doi: 10.1089/ast.2017.1712. Epub 2018 Mar 8.

5.

Chemistry, mineralogy, and grain properties at Namib and High dunes, Bagnold dune field, Gale crater, Mars: A synthesis of Curiosity rover observations.

Ehlmann BL, Edgett KS, Sutter B, Achilles CN, Litvak ML, Lapotre MGA, Sullivan R, Fraeman AA, Arvidson RE, Blake DF, Bridges NT, Conrad PG, Cousin A, Downs RT, Gabriel TSJ, Gellert R, Hamilton VE, Hardgrove C, Johnson JR, Kuhn S, Mahaffy PR, Maurice S, McHenry M, Meslin PY, Ming DW, Minitti ME, Morookian JM, Morris RV, O'Connell-Cooper CD, Pinet PC, Rowland SK, Schröder S, Siebach KL, Stein NT, Thompson LM, Vaniman DT, Vasavada AR, Wellington DF, Wiens RC, Yen AS.

J Geophys Res Planets. 2017 Dec;122(12):2510-2543. doi: 10.1002/2017JE005267. Epub 2017 Dec 7.

6.

Unique capabilities of AC frequency scanning and its implementation on a Mars Organic Molecule Analyzer linear ion trap.

Snyder DT, Kaplan DA, Danell RM, van Amerom FHW, Pinnick VT, Brinckerhoff WB, Mahaffy PR, Cooks RG.

Analyst. 2017 Jun 21;142(12):2109-2117. doi: 10.1039/c7an00664k. Epub 2017 May 26.

PMID:
28548668
7.

Perchlorate formation on Mars through surface radiolysis-initiated atmospheric chemistry: A potential mechanism.

Wilson EH, Atreya SK, Kaiser RI, Mahaffy PR.

J Geophys Res Planets. 2016 Aug;121(8):1472-1487. Epub 2016 Aug 25.

8.

Structure and composition of the neutral upper atmosphere of Mars from the MAVEN NGIMS investigation.

Mahaffy PR, Benna M, Elrod M, Yelle RV, Bougher SW, Stone SW, Jakosky BM.

Geophys Res Lett. 2015 Nov 16;42(21):8951-8957. Epub 2015 Nov 5.

9.

Organic molecules in the Sheepbed Mudstone, Gale Crater, Mars.

Freissinet C, Glavin DP, Mahaffy PR, Miller KE, Eigenbrode JL, Summons RE, Brunner AE, Buch A, Szopa C, Archer PD, Franz HB, Atreya SK, Brinckerhoff WB, Cabane M, Coll P, Conrad PG, Des Marais DJ, Dworkin JP, Fairén AG, François P, Grotzinger JP, Kashyap S, Ten Kate IL, Leshin LA, Malespin CA, Martin MG, Martin-Torres FJ, McAdam AC, Ming DW, Navarro-González R, Pavlov AA, Prats BD, Squyres SW, Steele A, Stern JC, Sumner DY, Sutter B, Zorzano MP.

J Geophys Res Planets. 2015 Mar;120(3):495-514. Epub 2015 Mar 21.

10.

Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars.

Stern JC, Sutter B, Freissinet C, Navarro-González R, McKay CP, Archer PD Jr, Buch A, Brunner AE, Coll P, Eigenbrode JL, Fairen AG, Franz HB, Glavin DP, Kashyap S, McAdam AC, Ming DW, Steele A, Szopa C, Wray JJ, Martín-Torres FJ, Zorzano MP, Conrad PG, Mahaffy PR; MSL Science Team.

Proc Natl Acad Sci U S A. 2015 Apr 7;112(14):4245-50. doi: 10.1073/pnas.1420932112. Epub 2015 Mar 23. Erratum in: Proc Natl Acad Sci U S A. 2015 Jun 9;112(23):E3085.

11.

Detection of trace organics in Mars analog samples containing perchlorate by laser desorption/ionization mass spectrometry.

Li X, Danell RM, Brinckerhoff WB, Pinnick VT, van Amerom F, Arevalo RD Jr, Getty SA, Mahaffy PR, Steininger H, Goesmann F.

Astrobiology. 2015 Feb;15(2):104-10. doi: 10.1089/ast.2014.1203. Epub 2015 Jan 26.

PMID:
25622133
12.

Mars atmosphere. Mars methane detection and variability at Gale crater.

Webster CR, Mahaffy PR, Atreya SK, Flesch GJ, Mischna MA, Meslin PY, Farley KA, Conrad PG, Christensen LE, Pavlov AA, Martín-Torres J, Zorzano MP, McConnochie TH, Owen T, Eigenbrode JL, Glavin DP, Steele A, Malespin CA, Archer PD Jr, Sutter B, Coll P, Freissinet C, McKay CP, Moores JE, Schwenzer SP, Bridges JC, Navarro-Gonzalez R, Gellert R, Lemmon MT; MSL Science Team.

Science. 2015 Jan 23;347(6220):415-7. doi: 10.1126/science.1261713. Epub 2014 Dec 16.

13.

Mars atmosphere. The imprint of atmospheric evolution in the D/H of Hesperian clay minerals on Mars.

Mahaffy PR, Webster CR, Stern JC, Brunner AE, Atreya SK, Conrad PG, Domagal-Goldman S, Eigenbrode JL, Flesch GJ, Christensen LE, Franz HB, Freissinet C, Glavin DP, Grotzinger JP, Jones JH, Leshin LA, Malespin C, McAdam AC, Ming DW, Navarro-Gonzalez R, Niles PB, Owen T, Pavlov AA, Steele A, Trainer MG, Williford KH, Wray JJ; MSL Science Team.

Science. 2015 Jan 23;347(6220):412-4. doi: 10.1126/science.1260291. Epub 2014 Dec 16.

14.

Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars.

Ming DW, Archer PD Jr, Glavin DP, Eigenbrode JL, Franz HB, Sutter B, Brunner AE, Stern JC, Freissinet C, McAdam AC, Mahaffy PR, Cabane M, Coll P, Campbell JL, Atreya SK, Niles PB, Bell JF 3rd, Bish DL, Brinckerhoff WB, Buch A, Conrad PG, Des Marais DJ, Ehlmann BL, Fairén AG, Farley K, Flesch GJ, Francois P, Gellert R, Grant JA, Grotzinger JP, Gupta S, Herkenhoff KE, Hurowitz JA, Leshin LA, Lewis KW, McLennan SM, Miller KE, Moersch J, Morris RV, Navarro-González R, Pavlov AA, Perrett GM, Pradler I, Squyres SW, Summons RE, Steele A, Stolper EM, Sumner DY, Szopa C, Teinturier S, Trainer MG, Treiman AH, Vaniman DT, Vasavada AR, Webster CR, Wray JJ, Yingst RA; MSL Science Team.

Science. 2014 Jan 24;343(6169):1245267. doi: 10.1126/science.1245267. Epub 2013 Dec 9.

PMID:
24324276
15.

Primordial argon isotope fractionation in the atmosphere of Mars measured by the SAM instrument on Curiosity and implications for atmospheric loss.

Atreya SK, Trainer MG, Franz HB, Wong MH, Manning HL, Malespin CA, Mahaffy PR, Conrad PG, Brunner AE, Leshin LA, Jones JH, Webster CR, Owen TC, Pepin RO, Navarro-González R.

Geophys Res Lett. 2013 Nov 16;40(21):5605-5609. Epub 2013 Nov 6.

16.

Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover.

Leshin LA, Mahaffy PR, Webster CR, Cabane M, Coll P, Conrad PG, Archer PD Jr, Atreya SK, Brunner AE, Buch A, Eigenbrode JL, Flesch GJ, Franz HB, Freissinet C, Glavin DP, McAdam AC, Miller KE, Ming DW, Morris RV, Navarro-González R, Niles PB, Owen T, Pepin RO, Squyres S, Steele A, Stern JC, Summons RE, Sumner DY, Sutter B, Szopa C, Teinturier S, Trainer MG, Wray JJ, Grotzinger JP; MSL Science Team.

Science. 2013 Sep 27;341(6153):1238937. doi: 10.1126/science.1238937.

PMID:
24072926
17.

Low upper limit to methane abundance on Mars.

Webster CR, Mahaffy PR, Atreya SK, Flesch GJ, Farley KA; MSL Science Team.

Science. 2013 Oct 18;342(6156):355-7. doi: 10.1126/science.1242902. Epub 2013 Sep 19.

18.

Abundance and isotopic composition of gases in the martian atmosphere from the Curiosity rover.

Mahaffy PR, Webster CR, Atreya SK, Franz H, Wong M, Conrad PG, Harpold D, Jones JJ, Leshin LA, Manning H, Owen T, Pepin RO, Squyres S, Trainer M; MSL Science Team.

Science. 2013 Jul 19;341(6143):263-6. doi: 10.1126/science.1237966.

19.

Isotope ratios of H, C, and O in CO2 and H2O of the martian atmosphere.

Webster CR, Mahaffy PR, Flesch GJ, Niles PB, Jones JH, Leshin LA, Atreya SK, Stern JC, Christensen LE, Owen T, Franz H, Pepin RO, Steele A; MSL Science Team, Achilles C, Agard C, Alves Verdasca JA, Anderson R, Anderson R, Archer D, Armiens-Aparicio C, Arvidson R, Atlaskin E, Aubrey A, Baker B, Baker M, Balic-Zunic T, Baratoux D, Baroukh J, Barraclough B, Bean K, Beegle L, Behar A, Bell J, Bender S, Benna M, Bentz J, Berger G, Berger J, Berman D, Bish D, Blake DF, Blanco Avalos JJ, Blaney D, Blank J, Blau H, Bleacher L, Boehm E, Botta O, Böttcher S, Boucher T, Bower H, Boyd N, Boynton B, Breves E, Bridges J, Bridges N, Brinckerhoff W, Brinza D, Bristow T, Brunet C, Brunner A, Brunner W, Buch A, Bullock M, Burmeister S, Cabane M, Calef F, Cameron J, Campbell J, Cantor B, Caplinger M, Caride Rodríguez J, Carmosino M, Carrasco Blázquez I, Charpentier A, Chipera S, Choi D, Clark B, Clegg S, Cleghorn T, Cloutis E, Cody G, Coll P, Conrad P, Coscia D, Cousin A, Cremers D, Crisp J, Cros A, Cucinotta F, d'Uston C, Davis S, Day M, de la Torre Juarez M, DeFlores L, DeLapp D, DeMarines J, DesMarais D, Dietrich W, Dingler R, Donny C, Downs B, Drake D, Dromart G, Dupont A, Duston B, Dworkin J, Dyar MD, Edgar L, Edgett K, Edwards C, Edwards L, Ehlmann B, Ehresmann B, Eigenbrode J, Elliott B, Elliott H, Ewing R, Fabre C, Fairén A, Farley K, Farmer J, Fassett C, Favot L, Fay D, Fedosov F, Feldman J, Feldman S, Fisk M, Fitzgibbon M, Floyd M, Flückiger L, Forni O, Fraeman A, Francis R, François P, Freissinet C, French KL, Frydenvang J, Gaboriaud A, Gailhanou M, Garvin J, Gasnault O, Geffroy C, Gellert R, Genzer M, Glavin D, Godber A, Goesmann F, Goetz W, Golovin D, Gómez Gómez F, Gómez-Elvira J, Gondet B, Gordon S, Gorevan S, Grant J, Griffes J, Grinspoon D, Grotzinger J, Guillemot P, Guo J, Gupta S, Guzewich S, Haberle R, Halleaux D, Hallet B, Hamilton V, Hardgrove C, Harker D, Harpold D, Harri AM, Harshman K, Hassler D, Haukka H, Hayes A, Herkenhoff K, Herrera P, Hettrich S, Heydari E, Hipkin V, Hoehler T, Hollingsworth J, Hudgins J, Huntress W, Hurowitz J, Hviid S, Iagnemma K, Indyk S, Israël G, Jackson R, Jacob S, Jakosky B, Jensen E, Jensen JK, Johnson J, Johnson M, Johnstone S, Jones A, Joseph J, Jun I, Kah L, Kahanpää H, Kahre M, Karpushkina N, Kasprzak W, Kauhanen J, Keely L, Kemppinen O, Keymeulen D, Kim MH, Kinch K, King P, Kirkland L, Kocurek G, Koefoed A, Köhler J, Kortmann O, Kozyrev A, Krezoski J, Krysak D, Kuzmin R, Lacour JL, Lafaille V, Langevin Y, Lanza N, Lasue J, Le Mouélic S, Lee EM, Lee QM, Lees D, Lefavor M, Lemmon M, Lepinette Malvitte A, Léveillé R, Lewin-Carpintier É, Lewis K, Li S, Lipkaman L, Little C, Litvak M, Lorigny E, Lugmair G, Lundberg A, Lyness E, Madsen M, Maki J, Malakhov A, Malespin C, Malin M, Mangold N, Manhes G, Manning H, Marchand G, Marín Jiménez M, Martín García C, Martin D, Martin M, Martínez-Frías J, Martín-Soler J, Martín-Torres FJ, Mauchien P, Maurice S, McAdam A, McCartney E, McConnochie T, McCullough E, McEwan I, McKay C, McLennan S, McNair S, Melikechi N, Meslin PY, Meyer M, Mezzacappa A, Miller H, Miller K, Milliken R, Ming D, Minitti M, Mischna M, Mitrofanov I, Moersch J, Mokrousov M, Molina Jurado A, Moores J, Mora-Sotomayor L, Morookian JM, Morris R, Morrison S, Mueller-Mellin R, Muller JP, Muñoz Caro G, Nachon M, Navarro López S, Navarro-González R, Nealson K, Nefian A, Nelson T, Newcombe M, Newman C, Newsom H, Nikiforov S, Nixon B, Noe Dobrea E, Nolan T, Oehler D, Ollila A, Olson T, de Pablo Hernández MÁ, Paillet A, Pallier E, Palucis M, Parker T, Parot Y, Patel K, Paton M, Paulsen G, Pavlov A, Pavri B, Peinado-González V, Peret L, Perez R, Perrett G, Peterson J, Pilorget C, Pinet P, Pla-García J, Plante I, Poitrasson F, Polkko J, Popa R, Posiolova L, Posner A, Pradler I, Prats B, Prokhorov V, Purdy SW, Raaen E, Radziemski L, Rafkin S, Ramos M, Rampe E, Raulin F, Ravine M, Reitz G, Rennó N, Rice M, Richardson M, Robert F, Robertson K, Rodriguez Manfredi JA, Romeral-Planelló JJ, Rowland S, Rubin D, Saccoccio M, Salamon A, Sandoval J, Sanin A, Sans Fuentes SA, Saper L, Sarrazin P, Sautter V, Savijärvi H, Schieber J, Schmidt M, Schmidt W, Scholes D, Schoppers M, Schröder S, Schwenzer S, Sebastian Martinez E, Sengstacken A, Shterts R, Siebach K, Siili T, Simmonds J, Sirven JB, Slavney S, Sletten R, Smith M, Sobrón Sánchez P, Spanovich N, Spray J, Squyres S, Stack K, Stalport F, Stein T, Stewart N, Stipp SL, Stoiber K, Stolper E, Sucharski B, Sullivan R, Summons R, Sumner D, Sun V, Supulver K, Sutter B, Szopa C, Tan F, Tate C, Teinturier S, ten Kate I, Thomas P, Thompson L, Tokar R, Toplis M, Torres Redondo J, Trainer M, Treiman A, Tretyakov V, Urqui-O'Callaghan R, Van Beek J, Van Beek T, VanBommel S, Vaniman D, Varenikov A, Vasavada A, Vasconcelos P, Vicenzi E, Vostrukhin A, Voytek M, Wadhwa M, Ward J, Weigle E, Wellington D, Westall F, Wiens RC, Wilhelm MB, Williams A, Williams J, Williams R, Williams RB, Wilson M, Wimmer-Schweingruber R, Wolff M, Wong M, Wray J, Wu M, Yana C, Yen A, Yingst A, Zeitlin C, Zimdar R, Zorzano Mier MP.

Science. 2013 Jul 19;341(6143):260-3. doi: 10.1126/science.1237961.

20.

Higher order parametric excitation modes for spaceborne quadrupole mass spectrometers.

Gershman DJ, Block BP, Rubin M, Benna M, Mahaffy PR, Zurbuchen TH.

Rev Sci Instrum. 2011 Dec;82(12):125109. doi: 10.1063/1.3669781.

PMID:
22225251
21.

Mitigation of the impact of terrestrial contamination on organic measurements from the Mars Science Laboratory.

ten Kate IL, Canham JS, Conrad PG, Errigo T, Katz I, Mahaffy PR.

Astrobiology. 2008 Jun;8(3):571-82. doi: 10.1089/ast.2007.0160.

PMID:
18558810
22.

Microfabricated silicon leak for sampling planetary atmospheres with a mass spectrometer.

Jamieson BG, Lynch BA, Harpold DN, Niemann HB, Shappirio MD, Mahaffy PR.

Rev Sci Instrum. 2007 Jun;78(6):065109.

PMID:
17614640
23.

Intensive Titan exploration begins.

Mahaffy PR.

Science. 2005 May 13;308(5724):969-70.

PMID:
15890870
24.

The composition of the Jovian atmosphere as determined by the Galileo probe mass spectrometer.

Niemann HB, Atreya SK, Carignan GR, Donahue TM, Haberman JA, Harpold DN, Hartle RE, Hunten DM, Kasprzak WT, Mahaffy PR, Owen TC, Way SH.

J Geophys Res. 1998 Sep 25;103(E10):22831-45.

PMID:
11543372
25.

A comparison of the atmospheres of Jupiter and Saturn: deep atmospheric composition, cloud structure, vertical mixing, and origin.

Atreya SK, Wong MH, Owen TC, Mahaffy PR, Niemann HB, de Pater I, Drossart P, Encrenaz Th.

Planet Space Sci. 1999 Oct-Nov;47(10-11):1243-62.

PMID:
11543193
26.

Chemical composition measurements of the atmosphere of Jupiter with the Galileo Probe mass spectrometer.

Niemann HB, Atreya SK, Carignan GR, Donahue TM, Haberman JA, Harpold DN, Hartle RE, Hunten DM, Kasprzak WT, Mahaffy PR, Owen TC, Spencer NW.

Adv Space Res. 1998;21(11):1455-61.

PMID:
11541457
27.

The Galileo probe mass spectrometer: composition of Jupiter's atmosphere.

Niemann HB, Atreya SK, Carignan GR, Donahue TM, Haberman JA, Harpold DN, Hartle RE, Hunten DM, Kasprzak WT, Mahaffy PR, Owen TC, Spencer NW, Way SH.

Science. 1996 May 10;272(5263):846-9.

PMID:
8629016
28.

"Clarification of nursing activities and the nurse shortage".

Mahaffy PR.

Hosp Top. 1980 Sep-Oct;58(5):34-5. No abstract available.

PMID:
10248602
29.

Admission interviews with parents.

Mahaffy PR Jr.

Am J Nurs. 1966 Mar;66(3):506-8. No abstract available.

PMID:
5175286
30.

THE EFFECTS OF HOSPITALIZATION ON CHILDREN ADMITTED FOR TONSILLECTOMY AND ADENOIDECTOMY.

MAHAFFY PR Jr.

Nurs Res. 1965;14:12-9. No abstract available.

PMID:
14267455
31.

NURSE-PARENT RELATIONSHIPS IN LIVING-IN SITUATIONS.

MAHAFFY PR Jr.

Nurs Forum. 1964;3:52-68. No abstract available.

PMID:
14189015

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