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Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past.

Science (New York, N.Y.)

El-Maarry MR, Groussin O, Thomas N, Pajola M, Auger AT, Davidsson B, Hu X, Hviid SF, Knollenberg J, Güttler C, Tubiana C, Fornasier S, Feller C, Hasselmann P, Vincent JB, Sierks H, Barbieri C, Lamy P, Rodrigo R, Koschny D, Keller HU, Rickman H, A'Hearn MF, Barucci MA, Bertaux JL, Bertini I, Besse S, Bodewits D, Cremonese G, Da Deppo V, Debei S, De Cecco M, Deller J, Deshapriya JD, Fulle M, Gutierrez PJ, Hofmann M, Ip WH, Jorda L, Kovacs G, Kramm JR, Kührt E, Küppers M, Lara LM, Lazzarin M, Lin ZY, Lopez Moreno JJ, Marchi S, Marzari F, Mottola S, Naletto G, Oklay N, Pommerol A, Preusker F, Scholten F, Shi X.
PMID: 28325842
Science. 2017 Mar 31;355(6332):1392-1395. doi: 10.1126/science.aak9384. Epub 2017 Mar 21.

The Rosetta spacecraft spent ~2 years orbiting comet 67P/Churyumov-Gerasimenko, most of it at distances that allowed surface characterization and monitoring at submeter scales. From December 2014 to June 2016, numerous localized changes were observed, which we attribute to cometary-specific...

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El-Maarry MR, Groussin O, Thomas N, et al. Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past. Science. 2017;355(6332):1392-1395doi: 10.1126/science.aak9384.
El-Maarry, M. R., Groussin, O., Thomas, N., Pajola, M., Auger, A. T., Davidsson, B., Hu, X., Hviid, S. F., Knollenberg, J., Güttler, C., Tubiana, C., Fornasier, S., Feller, C., Hasselmann, P., Vincent, J. B., Sierks, H., Barbieri, C., Lamy, P., Rodrigo, R., Koschny, D., Keller, H. U., Rickman, H., A'Hearn, M. F., Barucci, M. A., Bertaux, J. L., Bertini, I., Besse, S., Bodewits, D., Cremonese, G., Da Deppo, V., Debei, S., De Cecco, M., Deller, J., Deshapriya, J. D., Fulle, M., Gutierrez, P. J., Hofmann, M., Ip, W. H., Jorda, L., Kovacs, G., Kramm, J. R., Kührt, E., Küppers, M., Lara, L. M., Lazzarin, M., Lin, Z. Y., Lopez Moreno, J. J., Marchi, S., Marzari, F., Mottola, S., Naletto, G., Oklay, N., Pommerol, A., Preusker, F., Scholten, F., & Shi, X. (2017). Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past. Science (New York, N.Y.), 355(6332), 1392-1395. https://doi.org/10.1126/science.aak9384
El-Maarry, M Ramy, et al. "Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past." Science (New York, N.Y.) vol. 355,6332 (2017): 1392-1395. doi: https://doi.org/10.1126/science.aak9384
El-Maarry MR, Groussin O, Thomas N, Pajola M, Auger AT, Davidsson B, Hu X, Hviid SF, Knollenberg J, Güttler C, Tubiana C, Fornasier S, Feller C, Hasselmann P, Vincent JB, Sierks H, Barbieri C, Lamy P, Rodrigo R, Koschny D, Keller HU, Rickman H, A'Hearn MF, Barucci MA, Bertaux JL, Bertini I, Besse S, Bodewits D, Cremonese G, Da Deppo V, Debei S, De Cecco M, Deller J, Deshapriya JD, Fulle M, Gutierrez PJ, Hofmann M, Ip WH, Jorda L, Kovacs G, Kramm JR, Kührt E, Küppers M, Lara LM, Lazzarin M, Lin ZY, Lopez Moreno JJ, Marchi S, Marzari F, Mottola S, Naletto G, Oklay N, Pommerol A, Preusker F, Scholten F, Shi X. Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past. Science. 2017 Mar 31;355(6332):1392-1395. doi: 10.1126/science.aak9384. Epub 2017 Mar 21. PMID: 28325842.
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The evolutionary dynamics of major regulators for sexual development among Hymenoptera species.

Frontiers in genetics

Biewer M, Schlesinger F, Hasselmann M.
PMID: 25914717
Front Genet. 2015 Apr 10;6:124. doi: 10.3389/fgene.2015.00124. eCollection 2015.

All hymenopteran species, such as bees, wasps and ants, are characterized by the common principle of haplodiploid sex determination in which haploid males arise from unfertilized eggs and females from fertilized eggs. The underlying molecular mechanism has been studied...

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Biewer M, Schlesinger F, Hasselmann M. The evolutionary dynamics of major regulators for sexual development among Hymenoptera species. Front Genet. 2015;6:124doi: 10.3389/fgene.2015.00124.
Biewer, M., Schlesinger, F., & Hasselmann, M. (2015). The evolutionary dynamics of major regulators for sexual development among Hymenoptera species. Frontiers in genetics, 6124. https://doi.org/10.3389/fgene.2015.00124
Biewer, Matthias, et al. "The evolutionary dynamics of major regulators for sexual development among Hymenoptera species." Frontiers in genetics vol. 6 (2015): 124. doi: https://doi.org/10.3389/fgene.2015.00124
Biewer M, Schlesinger F, Hasselmann M. The evolutionary dynamics of major regulators for sexual development among Hymenoptera species. Front Genet. 2015 Apr 10;6:124. doi: 10.3389/fgene.2015.00124. eCollection 2015. PMID: 25914717; PMCID: PMC4392698.
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Efficient Light-to-Electrical Energy Conversion with Dithiocarbamate-Ruthenium Polypyridyl Sensitizers.

Inorganic chemistry

Argazzi R, Bignozzi CA, Hasselmann GM, Meyer GJ.
PMID: 11670598
Inorg Chem. 1998 Sep 07;37(18):4533-4537. doi: 10.1021/ic980340+.

New Ru(dcbH)(dcbH(2))(L) sensitizers, where L is diethyldithiocarbamate, dibenzyldithiocarbamate, or pyrrolidinedithiocarbamate, dcbH is 4-(COOH)-4'-(COO(-))-2,2'-bipyridine, and dcbH(2) is 4,4'-(COOH)(2)-2,2'-bipyridine, have been synthesized, characterized, and anchored to nanocrystalline TiO(2) films for light to electrical energy conversion in regenerative photoelectrochemical cells with I(-)/I(2)...

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Argazzi R, Bignozzi CA, Hasselmann GM, et al. Efficient Light-to-Electrical Energy Conversion with Dithiocarbamate-Ruthenium Polypyridyl Sensitizers. Inorg Chem. 1998;37(18):4533-4537doi: 10.1021/ic980340+.
Argazzi, R., Bignozzi, C. A., Hasselmann, G. M., & Meyer, G. J. (1998). Efficient Light-to-Electrical Energy Conversion with Dithiocarbamate-Ruthenium Polypyridyl Sensitizers. Inorganic chemistry, 37(18), 4533-4537. https://doi.org/10.1021/ic980340+
Argazzi, Roberto, et al. "Efficient Light-to-Electrical Energy Conversion with Dithiocarbamate-Ruthenium Polypyridyl Sensitizers." Inorganic chemistry vol. 37,18 (1998): 4533-4537. doi: https://doi.org/10.1021/ic980340+
Argazzi R, Bignozzi CA, Hasselmann GM, Meyer GJ. Efficient Light-to-Electrical Energy Conversion with Dithiocarbamate-Ruthenium Polypyridyl Sensitizers. Inorg Chem. 1998 Sep 07;37(18):4533-4537. doi: 10.1021/ic980340+. PMID: 11670598.
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Molecular rectification by a bimetallic Ru-Os compound anchored to nanocrystalline TiO2.

Inorganic chemistry

Kleverlaan C, Alebbi M, Argazzi R, Bignozzi CA, Hasselmann GM, Meyer GJ.
PMID: 12526433
Inorg Chem. 2000 Apr 03;39(7):1342-3. doi: 10.1021/ic991311h.

No abstract available.

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Kleverlaan C, Alebbi M, Argazzi R, et al. Molecular rectification by a bimetallic Ru-Os compound anchored to nanocrystalline TiO2. Inorg Chem. 2000;39(7):1342-3doi: 10.1021/ic991311h.
Kleverlaan, C., Alebbi, M., Argazzi, R., Bignozzi, C. A., Hasselmann, G. M., & Meyer, G. J. (2000). Molecular rectification by a bimetallic Ru-Os compound anchored to nanocrystalline TiO2. Inorganic chemistry, 39(7), 1342-3. https://doi.org/10.1021/ic991311h
Kleverlaan, C, et al. "Molecular rectification by a bimetallic Ru-Os compound anchored to nanocrystalline TiO2." Inorganic chemistry vol. 39,7 (2000): 1342-3. doi: https://doi.org/10.1021/ic991311h
Kleverlaan C, Alebbi M, Argazzi R, Bignozzi CA, Hasselmann GM, Meyer GJ. Molecular rectification by a bimetallic Ru-Os compound anchored to nanocrystalline TiO2. Inorg Chem. 2000 Apr 03;39(7):1342-3. doi: 10.1021/ic991311h. PMID: 12526433.
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Molecular Nanocapsules Based on Amphiphilic Hyperbranched Polyglycerols.

Angewandte Chemie (International ed. in English)

Sunder A, Krämer M, Hanselmann R, Mülhaupt R, Frey H.
PMID: 10602240
Angew Chem Int Ed Engl. 1999 Dec 03;38(23):3552-3555. doi: 10.1002/(sici)1521-3773(19991203)38:23<3552::aid-anie3552>3.3.co;2-7.

Polar dyes can be solubilized in apolar media-molecular nanocapsules with hydrophilic interiors have been prepared (see schematic representation) using polyglycerols with narrow polydispersity and simple esterification with fatty acids. These unimolecular micelles offer attractive potential for a variety of...

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Sunder A, Krämer M, Hanselmann R, et al. Molecular Nanocapsules Based on Amphiphilic Hyperbranched Polyglycerols. Angew Chem Int Ed Engl. 1999;38(23):3552-3555doi: 10.1002/(sici)1521-3773(19991203)38:23<3552::aid-anie3552>3.3.co;2-7.
Sunder, A., Krämer, M., Hanselmann, R., Mülhaupt, R., & Frey, H. (1999). Molecular Nanocapsules Based on Amphiphilic Hyperbranched Polyglycerols. Angewandte Chemie (International ed. in English), 38(23), 3552-3555. https://doi.org/10.1002/(sici)1521-3773(19991203)38:23<3552::aid-anie3552>3.3.co;2-7
Sunder, et al. "Molecular Nanocapsules Based on Amphiphilic Hyperbranched Polyglycerols." Angewandte Chemie (International ed. in English) vol. 38,23 (1999): 3552-3555. doi: https://doi.org/10.1002/(sici)1521-3773(19991203)38:23<3552::aid-anie3552>3.3.co;2-7
Sunder A, Krämer M, Hanselmann R, Mülhaupt R, Frey H. Molecular Nanocapsules Based on Amphiphilic Hyperbranched Polyglycerols. Angew Chem Int Ed Engl. 1999 Dec 03;38(23):3552-3555. doi: 10.1002/(sici)1521-3773(19991203)38:23<3552::aid-anie3552>3.3.co;2-7. PMID: 10602240.
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Relation between exchange-only optimized potential and Kohn-Sham methods with finite basis sets, and effect of linearly dependent products of orbital basis functions.

The Journal of chemical physics

Görling A, Hesselmann A, Jones M, Levy M.
PMID: 18345874
J Chem Phys. 2008 Mar 14;128(10):104104. doi: 10.1063/1.2826366.

Recently, Staroverov, Scuseria, and Davidson [J. Chem. Phys. 124, 141103 (2006)] presented examples of exchange-only optimized effective potential (xOEP) calculations that yield exactly the Hartree-Fock (HF) total energy. Here, building on their work, arguments showing under which conditions xOEP...

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Görling A, Hesselmann A, Jones M, et al. Relation between exchange-only optimized potential and Kohn-Sham methods with finite basis sets, and effect of linearly dependent products of orbital basis functions. J Chem Phys. 2008;128(10):104104doi: 10.1063/1.2826366.
Görling, A., Hesselmann, A., Jones, M., & Levy, M. (2008). Relation between exchange-only optimized potential and Kohn-Sham methods with finite basis sets, and effect of linearly dependent products of orbital basis functions. The Journal of chemical physics, 128(10), 104104. https://doi.org/10.1063/1.2826366
Görling, Andreas, et al. "Relation between exchange-only optimized potential and Kohn-Sham methods with finite basis sets, and effect of linearly dependent products of orbital basis functions." The Journal of chemical physics vol. 128,10 (2008): 104104. doi: https://doi.org/10.1063/1.2826366
Görling A, Hesselmann A, Jones M, Levy M. Relation between exchange-only optimized potential and Kohn-Sham methods with finite basis sets, and effect of linearly dependent products of orbital basis functions. J Chem Phys. 2008 Mar 14;128(10):104104. doi: 10.1063/1.2826366. PMID: 18345874.
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Design of soluble hyperbranched polythiophenes with tailor-made optoelectronic properties.

Macromolecular rapid communications

Richter TV, Link S, Hanselmann R, Ludwigs S.
PMID: 21638386
Macromol Rapid Commun. 2009 Aug 03;30(15):1323-7. doi: 10.1002/marc.200900186. Epub 2009 Jun 15.

Hyperbranched polythiophenes were prepared via a simple one-pot synthesis approach based on oxidative coupling of branched conjugated monomers. Only small variations in the building unit and architecture lead to large differences of absorption and photoluminescence properties. Interestingly, soluble hyperbranched...

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Richter TV, Link S, Hanselmann R, et al. Design of soluble hyperbranched polythiophenes with tailor-made optoelectronic properties. Macromol Rapid Commun. 2009;30(15):1323-7doi: 10.1002/marc.200900186.
Richter, T. V., Link, S., Hanselmann, R., & Ludwigs, S. (2009). Design of soluble hyperbranched polythiophenes with tailor-made optoelectronic properties. Macromolecular rapid communications, 30(15), 1323-7. https://doi.org/10.1002/marc.200900186
Richter, Thomas V, et al. "Design of soluble hyperbranched polythiophenes with tailor-made optoelectronic properties." Macromolecular rapid communications vol. 30,15 (2009): 1323-7. doi: https://doi.org/10.1002/marc.200900186
Richter TV, Link S, Hanselmann R, Ludwigs S. Design of soluble hyperbranched polythiophenes with tailor-made optoelectronic properties. Macromol Rapid Commun. 2009 Aug 03;30(15):1323-7. doi: 10.1002/marc.200900186. Epub 2009 Jun 15. PMID: 21638386.
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IBZM-SPECT imaging of dopamine D(2) receptors with typical and atypical antipsychotics.

European psychiatry : the journal of the Association of European Psychiatrists

Kasper S, Tauscher J, Küfferle E, Hesselmann B, Barnas C, Brücke T.
PMID: 19698668
Eur Psychiatry. 1998;13:9s-14s.

Considerable progress has been achieved over the past 15 years in uncovering the biological basis of major psychiatric disorders. Since psychopharmacological treatment is thought to act on the underlying biological basis of the disease, brain imaging techniques enable us...

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Kasper S, Tauscher J, Küfferle E, et al. IBZM-SPECT imaging of dopamine D(2) receptors with typical and atypical antipsychotics. Eur Psychiatry. 1998;13:9s-14s
Kasper, S., Tauscher, J., Küfferle, E., Hesselmann, B., Barnas, C., & Brücke, T. (1998). IBZM-SPECT imaging of dopamine D(2) receptors with typical and atypical antipsychotics. European psychiatry : the journal of the Association of European Psychiatrists, 139s-14s.
Kasper, S, et al. "IBZM-SPECT imaging of dopamine D(2) receptors with typical and atypical antipsychotics." European psychiatry : the journal of the Association of European Psychiatrists vol. 13 (1998): 9s-14s.
Kasper S, Tauscher J, Küfferle E, Hesselmann B, Barnas C, Brücke T. IBZM-SPECT imaging of dopamine D(2) receptors with typical and atypical antipsychotics. Eur Psychiatry. 1998;13:9s-14s. PMID: 19698668.
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Derivation of the dispersion energy as an explicit density- and exchange-hole functional.

The Journal of chemical physics

Hesselmann A.
PMID: 19256594
J Chem Phys. 2009 Feb 28;130(8):084104. doi: 10.1063/1.3077939.

Through some simple derivations, it is shown that the nonexpanded dispersion interaction energy between two molecules can entirely be written in terms of the densities and the exchange-holes of the monomers. Thus the suspicion of Becke and Johnson [J....

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Hesselmann A. Derivation of the dispersion energy as an explicit density- and exchange-hole functional. J Chem Phys. 2009;130(8):084104doi: 10.1063/1.3077939.
Hesselmann, A. (2009). Derivation of the dispersion energy as an explicit density- and exchange-hole functional. The Journal of chemical physics, 130(8), 084104. https://doi.org/10.1063/1.3077939
Hesselmann, Andreas. "Derivation of the dispersion energy as an explicit density- and exchange-hole functional." The Journal of chemical physics vol. 130,8 (2009): 084104. doi: https://doi.org/10.1063/1.3077939
Hesselmann A. Derivation of the dispersion energy as an explicit density- and exchange-hole functional. J Chem Phys. 2009 Feb 28;130(8):084104. doi: 10.1063/1.3077939. PMID: 19256594.
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Spectral function and quasiparticle damping of interacting Bosons in two dimensions.

Physical review letters

Sinner A, Hasselmann N, Kopietz P.
PMID: 19392260
Phys Rev Lett. 2009 Mar 27;102(12):120601. doi: 10.1103/PhysRevLett.102.120601. Epub 2009 Mar 27.

We employ the functional renormalization group to study dynamical properties of the two-dimensional Bose gas. Our approach is free of infrared divergences, which plague the usual diagrammatic approaches, and is consistent with the exact Nepomnyashchy identity, which states that...

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Sinner A, Hasselmann N, Kopietz P. Spectral function and quasiparticle damping of interacting Bosons in two dimensions. Phys Rev Lett. 2009;102(12):120601doi: 10.1103/PhysRevLett.102.120601.
Sinner, A., Hasselmann, N., & Kopietz, P. (2009). Spectral function and quasiparticle damping of interacting Bosons in two dimensions. Physical review letters, 102(12), 120601. https://doi.org/10.1103/PhysRevLett.102.120601
Sinner, Andreas, et al. "Spectral function and quasiparticle damping of interacting Bosons in two dimensions." Physical review letters vol. 102,12 (2009): 120601. doi: https://doi.org/10.1103/PhysRevLett.102.120601
Sinner A, Hasselmann N, Kopietz P. Spectral function and quasiparticle damping of interacting Bosons in two dimensions. Phys Rev Lett. 2009 Mar 27;102(12):120601. doi: 10.1103/PhysRevLett.102.120601. Epub 2009 Mar 27. PMID: 19392260.
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Dynamic effects on [3,3] and [1,3] shifts of 6-methylenebicyclo[3.2.0]hept-2-ene.

Angewandte Chemie (International ed. in English)

Suhrada CP, Selçuki C, Nendel M, Cannizzaro C, Houk KN, Rissing PJ, Baumann D, Hasselmann D.
PMID: 15861448
Angew Chem Int Ed Engl. 2005 Jun 06;44(23):3548-52. doi: 10.1002/anie.200500027.

No abstract available.

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Suhrada CP, Selçuki C, Nendel M, et al. Dynamic effects on [3,3] and [1,3] shifts of 6-methylenebicyclo[3.2.0]hept-2-ene. Angew Chem Int Ed Engl. 2005;44(23):3548-52doi: 10.1002/anie.200500027.
Suhrada, C. P., Selçuki, C., Nendel, M., Cannizzaro, C., Houk, K. N., Rissing, P. J., Baumann, D., & Hasselmann, D. (2005). Dynamic effects on [3,3] and [1,3] shifts of 6-methylenebicyclo[3.2.0]hept-2-ene. Angewandte Chemie (International ed. in English), 44(23), 3548-52. https://doi.org/10.1002/anie.200500027
Suhrada, Christopher P, et al. "Dynamic effects on [3,3] and [1,3] shifts of 6-methylenebicyclo[3.2.0]hept-2-ene." Angewandte Chemie (International ed. in English) vol. 44,23 (2005): 3548-52. doi: https://doi.org/10.1002/anie.200500027
Suhrada CP, Selçuki C, Nendel M, Cannizzaro C, Houk KN, Rissing PJ, Baumann D, Hasselmann D. Dynamic effects on [3,3] and [1,3] shifts of 6-methylenebicyclo[3.2.0]hept-2-ene. Angew Chem Int Ed Engl. 2005 Jun 06;44(23):3548-52. doi: 10.1002/anie.200500027. PMID: 15861448.
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The challenge of long-term climate change.

Science (New York, N.Y.)

Hasselmann K, Latif M, Hooss G, Azar C, Edenhofer O, Jaeger CC, Johannessen OM, Kemfert C, Welp M, Wokaun A.
PMID: 14671292
Science. 2003 Dec 12;302(5652):1923-5. doi: 10.1126/science.1090858.

Climate policy needs to address the multidecadal to centennial time scale of climate change. Although the realization of short-term targets is an important first step, to be effective climate policies need to be conceived as long-term programs that will...

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Hasselmann K, Latif M, Hooss G, et al. The challenge of long-term climate change. Science. 2003;302(5652):1923-5doi: 10.1126/science.1090858.
Hasselmann, K., Latif, M., Hooss, G., Azar, C., Edenhofer, O., Jaeger, C. C., Johannessen, O. M., Kemfert, C., Welp, M., & Wokaun, A. (2003). The challenge of long-term climate change. Science (New York, N.Y.), 302(5652), 1923-5. https://doi.org/10.1126/science.1090858
Hasselmann, K, et al. "The challenge of long-term climate change." Science (New York, N.Y.) vol. 302,5652 (2003): 1923-5. doi: https://doi.org/10.1126/science.1090858
Hasselmann K, Latif M, Hooss G, Azar C, Edenhofer O, Jaeger CC, Johannessen OM, Kemfert C, Welp M, Wokaun A. The challenge of long-term climate change. Science. 2003 Dec 12;302(5652):1923-5. doi: 10.1126/science.1090858. PMID: 14671292.
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