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Showing 25 to 36 of 463 entries
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1,2-Didehydro[10]annulenes: structures, aromaticity, and cyclizations.

Journal of the American Chemical Society

Navarro-Vázquez A, Schreiner PR.
PMID: 15926843
J Am Chem Soc. 2005 Jun 08;127(22):8150-9. doi: 10.1021/ja0507968.

The conformational space of C(10)H(8) 1,2-didehydro[10]annulenes, along with their unimolecular conversion to isonaphthalenes (cyclic allenes), has been studied computationally using DFT (B3LYP), single-reference [CCSD(T)], and multireference (MCQDPT2) post-HF methods. The introduction of the linear alkynyl moiety releases enough angle...

How accurate are DFT treatments of organic energies?.

Organic letters

Wodrich MD, Corminboeuf C, Schreiner PR, Fokin AA, von Ragué Schleyer P.
PMID: 17417862
Org Lett. 2007 May 10;9(10):1851-4. doi: 10.1021/ol070354w. Epub 2007 Apr 07.

Increasing awareness that popular functionals fail to describe many energies accurately has ended expectations of black-box DFT usage. The performance of nine density functionals, compared by computing the bond separation energies of 72 illustrative hydrocarbons with available experimental data,...

Diamonds are a chemist's best friend: diamondoid chemistry beyond adamantane.

Angewandte Chemie (International ed. in English)

Schwertfeger H, Fokin AA, Schreiner PR.
PMID: 18081112
Angew Chem Int Ed Engl. 2008;47(6):1022-36. doi: 10.1002/anie.200701684.

Marilyn Monroe knew that "diamonds are a girl's best friend" but, in the meantime, many chemists have realized that they are also extremely attractive objects in contemporary chemistry. The chemist's diamonds are usually quite small (herein: nanometer-sized "diamondoids") and...

Functionalized nanodiamonds part 3: thiolation of tertiary/bridgehead alcohols.

Organic letters

Tkachenko BA, Fokina NA, Chernish LV, Dahl JE, Liu S, Carlson RM, Fokin AA, Schreiner PR.
PMID: 16623546
Org Lett. 2006 Apr 27;8(9):1767-70. doi: 10.1021/ol053136g.

[reaction: see text] Treatment of acyclic as well as polycyclic tertiary mono- and dihydroxy hydrocarbon derivatives with thiourea in the presence of hydrobromic and acetic acid represents a convenient one-step route to the respective tertiary thiols and dithiols. This...

The "non-reaction" of ground-state triplet carbon atoms with water revisited.

Chemphyschem : a European journal of chemical physics and physical chemistry

Schreiner PR, Reisenauer HP.
PMID: 16596611
Chemphyschem. 2006 Apr 10;7(4):880-5. doi: 10.1002/cphc.200500555.

We introduce a novel experimental setup for the generation of carbon atoms by means of pulsed laser ablation with a pulse rate optimized to avoid warming of the matrix. The combination of this technique with annealing of the matrix,...

Dosimetry of interface region near closed air cavities for Co-60, 6 MV and 15 MV photon beams using Monte Carlo simulations.

Journal of medical physics

Joshi CP, Darko J, Vidyasagar PB, Schreiner LJ.
PMID: 20589116
J Med Phys. 2010 Apr;35(2):73-80. doi: 10.4103/0971-6203.62197.

Underdosing of treatment targets can occur in radiation therapy due to electronic disequilibrium around air-tissue interfaces when tumors are situated near natural air cavities. These effects have been shown to increase with the beam energy and decrease with the...

Search for active neutrino disappearance using neutral-current interactions in the MINOS long-baseline experiment.

Physical review letters

Adamson P, Andreopoulos C, Arms KE, Armstrong R, Auty DJ, Ayres DS, Backhouse C, Baller B, Barr G, Barrett WL, Becker BR, Belias A, Bernstein RH, Bhattacharya D, Bishai M, Blake A, Bock GJ, Boehm J, Boehnlein DJ, Bogert D, Bower C, Buckley-Geer E, Cavanaugh S, Chapman JD, Cherdack D, Childress S, Choudhary BC, Cobb JH, Coleman SJ, Culling AJ, de Jong JK, Dierckxsens M, Diwan MV, Dorman M, Dytman SA, Escobar CO, Evans JJ, Harris EF, Feldman GJ, Frohne MV, Gallagher HR, Godley A, Goodman MC, Gouffon P, Gran R, Grashorn EW, Grossman N, Grzelak K, Habig A, Harris D, Harris PG, Hartnell J, Hatcher R, Heller K, Himmel A, Holin A, Hsu L, Hylen J, Irwin GM, Ishitsuka M, Jaffe DE, James C, Jensen D, Kafka T, Kasahara SM, Kim JJ, Kim MS, Koizumi G, Kopp S, Kordosky M, Koskinen DJ, Kotelnikov SK, Kreymer A, Kumaratunga S, Lang K, Ling J, Litchfield PJ, Litchfield RP, Loiacono L, Lucas P, Ma J, Mann WA, Marchionni A, Marshak ML, Marshall JS, Mayer N, McGowan AM, Meier JR, Messier MD, Metelko CJ, Michael DG, Miller WH, Mishra SR, Moore CD, Morfín J, Mualem L, Mufson S, Murgia S, Musser J, Naples D, Nelson JK, Newman HB, Nichol RJ, Nicholls TC, Ochoa-Ricoux JP, Oliver WP, Ospanov R, Paley J, Paolone V, Para A, Patzak T, Pavlović Z, Pawloski G, Pearce GF, Peck CW, Petyt DA, Pittam R, Plunkett RK, Rahaman A, Rameika RA, Raufer TM, Rebel B, Reichenbacher J, Rodrigues PA, Rosenfeld C, Rubin HA, Ryabov VA, Sanchez MC, Saoulidou N, Schneps J, Schreiner P, Shanahan P, Smart W, Smith C, Sousa A, Speakman B, Stamoulis P, Strait M, Tagg N, Talaga RL, Tavera MA, Thomas J, Thomson MA, Thron JL, Tinti G, Trostin I, Tsarev VA, Tzanakos G, Urheim J, Vahle P, Viren B, Ward DR, Watabe M, Weber A, Webb RC, Wehmann A, West N, White C, Wojcicki SG, Wright DM, Yang T, Zhang K, Zwaska R.
PMID: 19113477
Phys Rev Lett. 2008 Nov 28;101(22):221804. doi: 10.1103/PhysRevLett.101.221804. Epub 2008 Nov 26.

We report the first detailed comparisons of the rates and spectra of neutral-current neutrino interactions at two widely separated locations. A depletion in the rate at the far site would indicate mixing between nu(mu) and a sterile particle. No...

CARS measurements in a bluff-body stabilized diffusion flame.

Applied optics

Switzer GL, Roquemore WM, Bradley RB, Schreiber PW, Roh WB.
PMID: 20212657
Appl Opt. 1979 Jul 15;18(14):2343-5. doi: 10.1364/AO.18.002343.

No abstract available.

Reactivities of the prism-shaped diamondoids [1(2)3]tetramantane and [12312]hexamantane (cyclohexamantane).

Chemistry (Weinheim an der Bergstrasse, Germany)

Fokin AA, Tkachenko BA, Fokina NA, Hausmann H, Serafin M, Dahl JE, Carlson RM, Schreiner PR.
PMID: 19229930
Chemistry. 2009;15(15):3851-62. doi: 10.1002/chem.200801867.

Various functional groups have been incorporated into the structures of the naturally occurring diamondoids [1(2)3]tetramantane and [12312]hexamantane (cyclohexamantane), which represent hydrogen-terminated prism-shaped nanodiamonds. The selectivities of the C-H substitutions in [1(2)3]tetramantane depend on the reagent employed and give products...

MALIGNANT NEOPLASMS OF THE THYROID GLAND.

Annals of surgery

Schreiner BF, Murphy WT.
PMID: 17867114
Ann Surg. 1934 Jan;99(1):116-25. doi: 10.1097/00000658-193401000-00013.

No abstract available.

First direct observation of muon antineutrino disappearance.

Physical review letters

Adamson P, Andreopoulos C, Auty DJ, Ayres DS, Backhouse C, Barr G, Bishai M, Blake A, Bock GJ, Boehnlein DJ, Bogert D, Cavanaugh S, Cherdack D, Childress S, Choudhary BC, Coelho JA, Coleman SJ, Corwin L, Cronin-Hennessy D, Danko IZ, de Jong JK, Devenish NE, Diwan MV, Dorman M, Escobar CO, Evans JJ, Falk E, Feldman GJ, Frohne MV, Gallagher HR, Gomes RA, Goodman MC, Gouffon P, Graf N, Gran R, Grant N, Grzelak K, Habig A, Harris D, Hartnell J, Hatcher R, Himmel A, Holin A, Howcroft C, Huang X, Hylen J, Ilic J, Irwin GM, Isvan Z, Jaffe DE, James C, Jensen D, Kafka T, Kasahara SM, Koizumi G, Kopp S, Kordosky M, Kreymer A, Lang K, Lefeuvre G, Ling J, Litchfield PJ, Loiacono L, Lucas P, Mann WA, Marshak ML, Mayer N, McGowan AM, Mehdiyev R, Meier JR, Messier MD, Miller WH, Mishra SR, Mitchell J, Moore CD, Morfín J, Mualem L, Mufson S, Musser J, Naples D, Nelson JK, Newman HB, Nichol RJ, Nicholls TC, Nowak JA, Ochoa-Ricoux JP, Oliver WP, Orchanian M, Ospanov R, Paley J, Patterson RB, Pawloski G, Pearce GF, Petyt DA, Phan-Budd S, Plunkett RK, Qiu X, Ratchford J, Raufer TM, Rebel B, Rodrigues PA, Rosenfeld C, Rubin HA, Sanchez MC, Schneps J, Schreiner P, Shanahan P, Sousa A, Stamoulis P, Strait M, Tagg N, Talaga RL, Tetteh-Lartey E, Thomas J, Thomson MA, Tinti G, Toner R, Tzanakos G, Urheim J, Vahle P, Viren B, Weber A, Webb RC, White C, Whitehead L, Wojcicki SG, Yang T, Zwaska R.
PMID: 21797594
Phys Rev Lett. 2011 Jul 08;107(2):021801. doi: 10.1103/PhysRevLett.107.021801. Epub 2011 Jul 05.

This Letter reports the first direct observation of muon antineutrino disappearance. The MINOS experiment has taken data with an accelerator beam optimized for ν(μ) production, accumulating an exposure of 1.71 × 10²⁰ protons on target. In the Far Detector,...

Heuristic chemistry--addition reactions.

Chemistry (Weinheim an der Bergstrasse, Germany)

Graulich N, Hopf H, Schreiner PR.
PMID: 21207598
Chemistry. 2011 Jan 03;17(1):30-40. doi: 10.1002/chem.201002370.

Organic chemistry is often considered a difficult subject requiring great effort to achieve expert status. Only once this level has been reached, judging, deciding, and recalling chemical information will be fast and guided by heuristic strategies. These principles, used...

Showing 25 to 36 of 463 entries