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First complete wing of a stem group sphenisciform from the Paleocene of New Zealand sheds light on the evolution of the penguin flipper

STEM and diversity

Bevitt JJ, De VL, Mayr G.
GSID: pSUndOwTgWwJ
G Mayr, VL De Pietri, L Love, AA Mannering, JJ Bevitt… - Diversity, 2020 - mdpi.com

We describe a partial skeleton of a stem group penguin from the Waipara Greensand in New Zealand, which is tentatively assigned to Muriwaimanu tuatahi. The fossil includes the first …

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Mayr, G., De Pietri, V. L., Love, L., Mannering, A. A., Bevitt, J. J., & Scofield, R. P. (2020). First complete wing of a stem group sphenisciform from the Paleocene of New Zealand sheds light on the evolution of the penguin flipper. Diversity, 12(2), 46.
Mayr, Gerald, et al. "First complete wing of a stem group sphenisciform from the Paleocene of New Zealand sheds light on the evolution of the penguin flipper." Diversity 12.2 (2020): 46.
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The origins of crown group birds: molecules and fossils

STEM and diversify

Mayr G.
GSID: ie6jPSoJJFsJ
G Mayr - Palaeontology, 2014 - Wiley Online Library

… of numerous new Palaeogene stem group representatives. … group Neornithes had started to diversify before the K/Pg … of Austinornis as a stem group representative of Galloanseres …

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Mayr, G. (2014). The origins of crown group birds: molecules and fossils. Palaeontology, 57(2), 231-242.
Mayr, Gerald. "The origins of crown group birds: molecules and fossils." Palaeontology 57.2 (2014): 231-242.
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Cardiac-targeted NADPH oxidase 4 in the adaptive cardiac remodelling of the murine heart.

Lancet (London, England)

Nabeebaccus A, Hafstad A, Eykyn T, Yin X, Brewer A, Zhang M, Mayr M, Shah A.
PMID: 26312895
Lancet. 2015 Feb 26;385:S73. doi: 10.1016/S0140-6736(15)60388-9.

BACKGROUND: The mechanisms that determine whether the heart adapts to overload stress, or fails, are poorly understood. NADPH oxidase (NOX) proteins produce reactive oxygen species (ROS) involved in redox signalling, and our recent studies have found that an increase...

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Nabeebaccus A, Hafstad A, Eykyn T, et al. Cardiac-targeted NADPH oxidase 4 in the adaptive cardiac remodelling of the murine heart. Lancet. 2015;385:S73doi: 10.1016/S0140-6736(15)60388-9.
Nabeebaccus, A., Hafstad, A., Eykyn, T., Yin, X., Brewer, A., Zhang, M., Mayr, M., & Shah, A. (2015). Cardiac-targeted NADPH oxidase 4 in the adaptive cardiac remodelling of the murine heart. Lancet (London, England), 385S73. https://doi.org/10.1016/S0140-6736(15)60388-9
Nabeebaccus, Adam, et al. "Cardiac-targeted NADPH oxidase 4 in the adaptive cardiac remodelling of the murine heart." Lancet (London, England) vol. 385 (2015): S73. doi: https://doi.org/10.1016/S0140-6736(15)60388-9
Nabeebaccus A, Hafstad A, Eykyn T, Yin X, Brewer A, Zhang M, Mayr M, Shah A. Cardiac-targeted NADPH oxidase 4 in the adaptive cardiac remodelling of the murine heart. Lancet. 2015 Feb 26;385:S73. doi: 10.1016/S0140-6736(15)60388-9. PMID: 26312895.
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Role of interleukin-1 and its antagonism of hepatic stellate cell proliferation and liver fibrosis in the Abcb4(-/-) mouse model.

World journal of hepatology

Reiter FP, Wimmer R, Wottke L, Artmann R, Nagel JM, Carranza MO, Mayr D, Rust C, Fickert P, Trauner M, Gerbes AL, Hohenester S, Denk GU.
PMID: 27004088
World J Hepatol. 2016 Mar 18;8(8):401-10. doi: 10.4254/wjh.v8.i8.401.

AIM: To study the interleukin-1 (IL-1) pathway as a therapeutic target for liver fibrosis in vitro and in vivo using the ATP-binding cassette transporter b4(-/-) (Abcb4(-/-)) mouse model.METHODS: Female and male Abcb4(-/-) mice from 6 to 13 mo of...

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Reiter FP, Wimmer R, Wottke L, et al. Role of interleukin-1 and its antagonism of hepatic stellate cell proliferation and liver fibrosis in the Abcb4(-/-) mouse model. World J Hepatol. 2016;8(8):401-10doi: 10.4254/wjh.v8.i8.401.
Reiter, F. P., Wimmer, R., Wottke, L., Artmann, R., Nagel, J. M., Carranza, M. O., Mayr, D., Rust, C., Fickert, P., Trauner, M., Gerbes, A. L., Hohenester, S., & Denk, G. U. (2016). Role of interleukin-1 and its antagonism of hepatic stellate cell proliferation and liver fibrosis in the Abcb4(-/-) mouse model. World journal of hepatology, 8(8), 401-10. https://doi.org/10.4254/wjh.v8.i8.401
Reiter, Florian P, et al. "Role of interleukin-1 and its antagonism of hepatic stellate cell proliferation and liver fibrosis in the Abcb4(-/-) mouse model." World journal of hepatology vol. 8,8 (2016): 401-10. doi: https://doi.org/10.4254/wjh.v8.i8.401
Reiter FP, Wimmer R, Wottke L, Artmann R, Nagel JM, Carranza MO, Mayr D, Rust C, Fickert P, Trauner M, Gerbes AL, Hohenester S, Denk GU. Role of interleukin-1 and its antagonism of hepatic stellate cell proliferation and liver fibrosis in the Abcb4(-/-) mouse model. World J Hepatol. 2016 Mar 18;8(8):401-10. doi: 10.4254/wjh.v8.i8.401. PMID: 27004088; PMCID: PMC4794530.
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Are there too few women presenting at emergency medicine conferences?.

Emergency medicine journal : EMJ

Carley S, Carden R, Riley R, May N, Hruska K, Beardsell I, Johnston M, Body R.
PMID: 27534977
Emerg Med J. 2016 Oct;33(10):681-3. doi: 10.1136/emermed-2015-205581. Epub 2016 Aug 17.

INTRODUCTION: There is a perception that women are under-represented as speakers at emergency medicine (EM) conferences. We aimed to evaluate the ratio of male to female speakers and the proportion of presenting time by gender at major international EM...

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Carley S, Carden R, Riley R, et al. Are there too few women presenting at emergency medicine conferences?. Emerg Med J. 2016;33(10):681-3doi: 10.1136/emermed-2015-205581.
Carley, S., Carden, R., Riley, R., May, N., Hruska, K., Beardsell, I., Johnston, M., & Body, R. (2016). Are there too few women presenting at emergency medicine conferences?. Emergency medicine journal : EMJ, 33(10), 681-3. https://doi.org/10.1136/emermed-2015-205581
Carley, Simon, et al. "Are there too few women presenting at emergency medicine conferences?." Emergency medicine journal : EMJ vol. 33,10 (2016): 681-3. doi: https://doi.org/10.1136/emermed-2015-205581
Carley S, Carden R, Riley R, May N, Hruska K, Beardsell I, Johnston M, Body R. Are there too few women presenting at emergency medicine conferences?. Emerg Med J. 2016 Oct;33(10):681-3. doi: 10.1136/emermed-2015-205581. Epub 2016 Aug 17. PMID: 27534977.
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Surface modification processes during methane decomposition on Cu-promoted Ni-ZrO.

Catalysis science & technology

Wolfbeisser A, Klötzer B, Mayr L, Rameshan R, Zemlyanov D, Bernardi J, Föttinger K, Rupprechter G.
PMID: 25815163
Catal Sci Technol. 2015 Feb 26;5(2):967-978. doi: 10.1039/c4cy00988f. Epub 2014 Oct 27.

The surface chemistry of methane on Ni-ZrO

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Wolfbeisser A, Klötzer B, Mayr L, et al. Surface modification processes during methane decomposition on Cu-promoted Ni-ZrO. Catal Sci Technol. 2014;5(2):967-978doi: 10.1039/c4cy00988f.
Wolfbeisser, A., Klötzer, B., Mayr, L., Rameshan, R., Zemlyanov, D., Bernardi, J., Föttinger, K., & Rupprechter, G. (2015). Surface modification processes during methane decomposition on Cu-promoted Ni-ZrO. Catalysis science & technology, 5(2), 967-978. https://doi.org/10.1039/c4cy00988f
Wolfbeisser, Astrid, et al. "Surface modification processes during methane decomposition on Cu-promoted Ni-ZrO." Catalysis science & technology vol. 5,2 (2015): 967-978. doi: https://doi.org/10.1039/c4cy00988f
Wolfbeisser A, Klötzer B, Mayr L, Rameshan R, Zemlyanov D, Bernardi J, Föttinger K, Rupprechter G. Surface modification processes during methane decomposition on Cu-promoted Ni-ZrO. Catal Sci Technol. 2015 Feb 26;5(2):967-978. doi: 10.1039/c4cy00988f. Epub 2014 Oct 27. PMID: 25815163; PMCID: PMC4348800.
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Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials.

The journal of physical chemistry. C, Nanomaterials and interfaces

Rameshan R, Mayr L, Klötzer B, Eder D, Knop-Gericke A, Hävecker M, Blume R, Schlögl R, Zemlyanov DY, Penner S.
PMID: 26692914
J Phys Chem C Nanomater Interfaces. 2015 Dec 03;119(48):26948-26958. doi: 10.1021/acs.jpcc.5b07317. Epub 2015 Nov 10.

In order to simulate solid-oxide fuel cell (SOFC)-related coking mechanisms of Ni, methane-induced surface carbide and carbon growth was studied under close-to-real conditions by synchrotron-based near-ambient-pressure (NAP) X-ray photoelectron spectroscopy (XPS) in the temperature region between 250 and 600...

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Rameshan R, Mayr L, Klötzer B, et al. Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials. J Phys Chem C Nanomater Interfaces. 2015;119(48):26948-26958doi: 10.1021/acs.jpcc.5b07317.
Rameshan, R., Mayr, L., Klötzer, B., Eder, D., Knop-Gericke, A., Hävecker, M., Blume, R., Schlögl, R., Zemlyanov, D. Y., & Penner, S. (2015). Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials. The journal of physical chemistry. C, Nanomaterials and interfaces, 119(48), 26948-26958. https://doi.org/10.1021/acs.jpcc.5b07317
Rameshan, Raffael, et al. "Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials." The journal of physical chemistry. C, Nanomaterials and interfaces vol. 119,48 (2015): 26948-26958. doi: https://doi.org/10.1021/acs.jpcc.5b07317
Rameshan R, Mayr L, Klötzer B, Eder D, Knop-Gericke A, Hävecker M, Blume R, Schlögl R, Zemlyanov DY, Penner S. Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials. J Phys Chem C Nanomater Interfaces. 2015 Dec 03;119(48):26948-26958. doi: 10.1021/acs.jpcc.5b07317. Epub 2015 Nov 10. PMID: 26692914; PMCID: PMC4671104.
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Trace Ammonia Sensors Based on Fluorescent Near-Infrared-Emitting aza-BODIPY Dyes.

Analytical chemistry

Strobl M, Walcher A, Mayr T, Klimant I, Borisov SM.
PMID: 28264569
Anal Chem. 2017 Mar 07;89(5):2859-2865. doi: 10.1021/acs.analchem.6b04045. Epub 2017 Feb 10.

Highly sensitive ammonia sensors for environmental monitoring are presented. The sensing materials are based on fluorescent BF

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Strobl M, Walcher A, Mayr T, et al. Trace Ammonia Sensors Based on Fluorescent Near-Infrared-Emitting aza-BODIPY Dyes. Anal Chem. 2017;89(5):2859-2865doi: 10.1021/acs.analchem.6b04045.
Strobl, M., Walcher, A., Mayr, T., Klimant, I., & Borisov, S. M. (2017). Trace Ammonia Sensors Based on Fluorescent Near-Infrared-Emitting aza-BODIPY Dyes. Analytical chemistry, 89(5), 2859-2865. https://doi.org/10.1021/acs.analchem.6b04045
Strobl, Martin, et al. "Trace Ammonia Sensors Based on Fluorescent Near-Infrared-Emitting aza-BODIPY Dyes." Analytical chemistry vol. 89,5 (2017): 2859-2865. doi: https://doi.org/10.1021/acs.analchem.6b04045
Strobl M, Walcher A, Mayr T, Klimant I, Borisov SM. Trace Ammonia Sensors Based on Fluorescent Near-Infrared-Emitting aza-BODIPY Dyes. Anal Chem. 2017 Mar 07;89(5):2859-2865. doi: 10.1021/acs.analchem.6b04045. Epub 2017 Feb 10. PMID: 28264569.
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Influence of the N-Substituents on the Nucleophilicity and Lewis Basicity of N-Heterocyclic Carbenes.

Organic letters

Levens A, An F, Breugst M, Mayr H, Lupton DW.
PMID: 27434216
Org Lett. 2016 Aug 05;18(15):3566-9. doi: 10.1021/acs.orglett.6b01525. Epub 2016 Jul 19.

The ability to modulate the nucleophilicity and Lewis basicity of N-heterocyclic carbenes is pivotal to their application as organocatalysts. Herein we examine the impact of the N-substituent on the nucleophilicity and Lewis basicity. Four N-substituents popular in NHC organocatalysis,...

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Levens A, An F, Breugst M, et al. Influence of the N-Substituents on the Nucleophilicity and Lewis Basicity of N-Heterocyclic Carbenes. Org Lett. 2016;18(15):3566-9doi: 10.1021/acs.orglett.6b01525.
Levens, A., An, F., Breugst, M., Mayr, H., & Lupton, D. W. (2016). Influence of the N-Substituents on the Nucleophilicity and Lewis Basicity of N-Heterocyclic Carbenes. Organic letters, 18(15), 3566-9. https://doi.org/10.1021/acs.orglett.6b01525
Levens, Alison, et al. "Influence of the N-Substituents on the Nucleophilicity and Lewis Basicity of N-Heterocyclic Carbenes." Organic letters vol. 18,15 (2016): 3566-9. doi: https://doi.org/10.1021/acs.orglett.6b01525
Levens A, An F, Breugst M, Mayr H, Lupton DW. Influence of the N-Substituents on the Nucleophilicity and Lewis Basicity of N-Heterocyclic Carbenes. Org Lett. 2016 Aug 05;18(15):3566-9. doi: 10.1021/acs.orglett.6b01525. Epub 2016 Jul 19. PMID: 27434216.
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Which Factors Control the Nucleophilic Reactivities of Enamines?.

Chemistry (Weinheim an der Bergstrasse, Germany)

Timofeeva DS, Mayer RJ, Mayer P, Ofial AR, Mayr H.
PMID: 29388720
Chemistry. 2018 Apr 17;24(22):5901-5910. doi: 10.1002/chem.201705962. Epub 2018 Mar 25.

Changes in rate constants, equivalent to changes in Gibbs energies of activation ΔG

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Timofeeva DS, Mayer RJ, Mayer P, et al. Which Factors Control the Nucleophilic Reactivities of Enamines?. Chemistry. 2018;24(22):5901-5910doi: 10.1002/chem.201705962.
Timofeeva, D. S., Mayer, R. J., Mayer, P., Ofial, A. R., & Mayr, H. (2018). Which Factors Control the Nucleophilic Reactivities of Enamines?. Chemistry (Weinheim an der Bergstrasse, Germany), 24(22), 5901-5910. https://doi.org/10.1002/chem.201705962
Timofeeva, Daria S, et al. "Which Factors Control the Nucleophilic Reactivities of Enamines?." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 24,22 (2018): 5901-5910. doi: https://doi.org/10.1002/chem.201705962
Timofeeva DS, Mayer RJ, Mayer P, Ofial AR, Mayr H. Which Factors Control the Nucleophilic Reactivities of Enamines?. Chemistry. 2018 Apr 17;24(22):5901-5910. doi: 10.1002/chem.201705962. Epub 2018 Mar 25. PMID: 29388720.
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Why Are Vinyl Cations Sluggish Electrophiles?.

Journal of the American Chemical Society

Byrne PA, Kobayashi S, Würthwein EU, Ammer J, Mayr H.
PMID: 28040896
J Am Chem Soc. 2017 Feb 01;139(4):1499-1511. doi: 10.1021/jacs.6b10889. Epub 2017 Jan 20.

The kinetics of the reactions of the vinyl cations 2 [Ph

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Byrne PA, Kobayashi S, Würthwein EU, et al. Why Are Vinyl Cations Sluggish Electrophiles?. J Am Chem Soc. 2017;139(4):1499-1511doi: 10.1021/jacs.6b10889.
Byrne, P. A., Kobayashi, S., Würthwein, E. U., Ammer, J., & Mayr, H. (2017). Why Are Vinyl Cations Sluggish Electrophiles?. Journal of the American Chemical Society, 139(4), 1499-1511. https://doi.org/10.1021/jacs.6b10889
Byrne, Peter A, et al. "Why Are Vinyl Cations Sluggish Electrophiles?." Journal of the American Chemical Society vol. 139,4 (2017): 1499-1511. doi: https://doi.org/10.1021/jacs.6b10889
Byrne PA, Kobayashi S, Würthwein EU, Ammer J, Mayr H. Why Are Vinyl Cations Sluggish Electrophiles?. J Am Chem Soc. 2017 Feb 01;139(4):1499-1511. doi: 10.1021/jacs.6b10889. Epub 2017 Jan 20. PMID: 28040896.
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Stereospecific Allylic Functionalization: The Reactions of Allylboronate Complexes with Electrophiles.

Journal of the American Chemical Society

García-Ruiz C, Chen JL, Sandford C, Feeney K, Lorenzo P, Berionni G, Mayr H, Aggarwal VK.
PMID: 29028321
J Am Chem Soc. 2017 Nov 01;139(43):15324-15327. doi: 10.1021/jacs.7b10240. Epub 2017 Oct 20.

Allylboronic esters react readily with carbonyls and imines (π-electrophiles), but are unreactive toward a range of other electrophiles. By addition of an aryllithium, the corresponding allylboronate complexes display enhanced nucleophilicity, enabling addition to a range of electrophiles (tropylium, benzodithiolylium,...

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García-Ruiz C, Chen JL, Sandford C, et al. Stereospecific Allylic Functionalization: The Reactions of Allylboronate Complexes with Electrophiles. J Am Chem Soc. 2017;139(43):15324-15327doi: 10.1021/jacs.7b10240.
García-Ruiz, C., Chen, J. L., Sandford, C., Feeney, K., Lorenzo, P., Berionni, G., Mayr, H., & Aggarwal, V. K. (2017). Stereospecific Allylic Functionalization: The Reactions of Allylboronate Complexes with Electrophiles. Journal of the American Chemical Society, 139(43), 15324-15327. https://doi.org/10.1021/jacs.7b10240
García-Ruiz, Cristina, et al. "Stereospecific Allylic Functionalization: The Reactions of Allylboronate Complexes with Electrophiles." Journal of the American Chemical Society vol. 139,43 (2017): 15324-15327. doi: https://doi.org/10.1021/jacs.7b10240
García-Ruiz C, Chen JL, Sandford C, Feeney K, Lorenzo P, Berionni G, Mayr H, Aggarwal VK. Stereospecific Allylic Functionalization: The Reactions of Allylboronate Complexes with Electrophiles. J Am Chem Soc. 2017 Nov 01;139(43):15324-15327. doi: 10.1021/jacs.7b10240. Epub 2017 Oct 20. PMID: 29028321; PMCID: PMC5682599.
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Showing 1 to 12 of 1124 entries