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Effects of Host-rock Fracturing on Elastic-deformation Source Models of Volcano Deflation.

Scientific reports

Holohan EP, Sudhaus H, Walter TR, Schöpfer MPJ, Walsh JJ.
PMID: 28887446
Sci Rep. 2017 Sep 08;7(1):10970. doi: 10.1038/s41598-017-10009-6.

Volcanoes commonly inflate or deflate during episodes of unrest or eruption. Continuum mechanics models that assume linear elastic deformation of the Earth's crust are routinely used to invert the observed ground motions. The source(s) of deformation in such models...

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Holohan EP, Sudhaus H, Walter TR, et al. Effects of Host-rock Fracturing on Elastic-deformation Source Models of Volcano Deflation. Sci Rep. 2017;7(1):10970doi: 10.1038/s41598-017-10009-6.
Holohan, E. P., Sudhaus, H., Walter, T. R., Schöpfer, M. P. J., & Walsh, J. J. (2017). Effects of Host-rock Fracturing on Elastic-deformation Source Models of Volcano Deflation. Scientific reports, 7(1), 10970. https://doi.org/10.1038/s41598-017-10009-6
Holohan, Eoghan P, et al. "Effects of Host-rock Fracturing on Elastic-deformation Source Models of Volcano Deflation." Scientific reports vol. 7,1 (2017): 10970. doi: https://doi.org/10.1038/s41598-017-10009-6
Holohan EP, Sudhaus H, Walter TR, Schöpfer MPJ, Walsh JJ. Effects of Host-rock Fracturing on Elastic-deformation Source Models of Volcano Deflation. Sci Rep. 2017 Sep 08;7(1):10970. doi: 10.1038/s41598-017-10009-6. PMID: 28887446; PMCID: PMC5591261.
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Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow.

Science (New York, N.Y.)

Gudmundsson MT, Jónsdóttir K, Hooper A, Holohan EP, Halldórsson SA, Ófeigsson BG, Cesca S, Vogfjörd KS, Sigmundsson F, Högnadóttir T, Einarsson P, Sigmarsson O, Jarosch AH, Jónasson K, Magnússon E, Hreinsdóttir S, Bagnardi M, Parks MM, Hjörleifsdóttir V, Pálsson F, Walter TR, Schöpfer MP, Heimann S, Reynolds HI, Dumont S, Bali E, Gudfinnsson GH, Dahm T, Roberts MJ, Hensch M, Belart JM, Spaans K, Jakobsson S, Gudmundsson GB, Fridriksdóttir HM, Drouin V, Dürig T, Aðalgeirsdóttir G, Riishuus MS, Pedersen GB, van Boeckel T, Oddsson B, Pfeffer MA, Barsotti S, Bergsson B, Donovan A, Burton MR, Aiuppa A.
PMID: 27418515
Science. 2016 Jul 15;353(6296):aaf8988. doi: 10.1126/science.aaf8988.

Large volcanic eruptions on Earth commonly occur with a collapse of the roof of a crustal magma reservoir, forming a caldera. Only a few such collapses occur per century, and the lack of detailed observations has obscured insight into...

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Gudmundsson MT, Jónsdóttir K, Hooper A, et al. Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow. Science. 2016;353(6296):aaf8988doi: 10.1126/science.aaf8988.
Gudmundsson, M. T., Jónsdóttir, K., Hooper, A., Holohan, E. P., Halldórsson, S. A., Ófeigsson, B. G., Cesca, S., Vogfjörd, K. S., Sigmundsson, F., Högnadóttir, T., Einarsson, P., Sigmarsson, O., Jarosch, A. H., Jónasson, K., Magnússon, E., Hreinsdóttir, S., Bagnardi, M., Parks, M. M., Hjörleifsdóttir, V., Pálsson, F., Walter, T. R., Schöpfer, M. P., Heimann, S., Reynolds, H. I., Dumont, S., Bali, E., Gudfinnsson, G. H., Dahm, T., Roberts, M. J., Hensch, M., Belart, J. M., Spaans, K., Jakobsson, S., Gudmundsson, G. B., Fridriksdóttir, H. M., Drouin, V., Dürig, T., Aðalgeirsdóttir, G., Riishuus, M. S., Pedersen, G. B., van Boeckel, T., Oddsson, B., Pfeffer, M. A., Barsotti, S., Bergsson, B., Donovan, A., Burton, M. R., & Aiuppa, A. (2016). Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow. Science (New York, N.Y.), 353(6296), aaf8988. https://doi.org/10.1126/science.aaf8988
Gudmundsson, Magnús T, et al. "Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow." Science (New York, N.Y.) vol. 353,6296 (2016): aaf8988. doi: https://doi.org/10.1126/science.aaf8988
Gudmundsson MT, Jónsdóttir K, Hooper A, Holohan EP, Halldórsson SA, Ófeigsson BG, Cesca S, Vogfjörd KS, Sigmundsson F, Högnadóttir T, Einarsson P, Sigmarsson O, Jarosch AH, Jónasson K, Magnússon E, Hreinsdóttir S, Bagnardi M, Parks MM, Hjörleifsdóttir V, Pálsson F, Walter TR, Schöpfer MP, Heimann S, Reynolds HI, Dumont S, Bali E, Gudfinnsson GH, Dahm T, Roberts MJ, Hensch M, Belart JM, Spaans K, Jakobsson S, Gudmundsson GB, Fridriksdóttir HM, Drouin V, Dürig T, Aðalgeirsdóttir G, Riishuus MS, Pedersen GB, van Boeckel T, Oddsson B, Pfeffer MA, Barsotti S, Bergsson B, Donovan A, Burton MR, Aiuppa A. Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow. Science. 2016 Jul 15;353(6296):aaf8988. doi: 10.1126/science.aaf8988. PMID: 27418515.
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Cooperation of epidermis and inner tissues in auxin-mediated growth of maize coleoptiles.

Planta

Kutschera U, Bergfeld R, Schopfer P.
PMID: 24232875
Planta. 1987 Feb;170(2):168-80. doi: 10.1007/BF00397885.

The function of the epidermis in auxinmediated elongation growth of maize (Zea mays L.) coleoptile segments was investigated. The following results were obtained: i) In the intact organ, there is a strong tissue tension produced by the expanding force...

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Kutschera U, Bergfeld R, Schopfer P. Cooperation of epidermis and inner tissues in auxin-mediated growth of maize coleoptiles. Planta. 1987;170(2):168-80doi: 10.1007/BF00397885.
Kutschera, U., Bergfeld, R., & Schopfer, P. (1987). Cooperation of epidermis and inner tissues in auxin-mediated growth of maize coleoptiles. Planta, 170(2), 168-80. https://doi.org/10.1007/BF00397885
Kutschera, U, et al. "Cooperation of epidermis and inner tissues in auxin-mediated growth of maize coleoptiles." Planta vol. 170,2 (1987): 168-80. doi: https://doi.org/10.1007/BF00397885
Kutschera U, Bergfeld R, Schopfer P. Cooperation of epidermis and inner tissues in auxin-mediated growth of maize coleoptiles. Planta. 1987 Feb;170(2):168-80. doi: 10.1007/BF00397885. PMID: 24232875.
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Sequential control of phytochrome-mediated synthesis de novo of β-amylase in the cotyledons of mustard (Sinapis alba L.) seedlings.

Planta

Sharma R, Schopfer P.
PMID: 24271673
Planta. 1982 Jul;155(2):183-9. doi: 10.1007/BF00392550.

In the cotyledons of mustard (Sinapis alba L.) seedlings irradiated from the time of sowing with continuous red light, the photoreversibility of the phytochrome-mediated increase in β-amylase activity (EC 3.2.1.2) is lost 36 h after sowing (coupling point). However,...

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Sharma R, Schopfer P. Sequential control of phytochrome-mediated synthesis de novo of β-amylase in the cotyledons of mustard (Sinapis alba L.) seedlings. Planta. 1982;155(2):183-9doi: 10.1007/BF00392550.
Sharma, R., & Schopfer, P. (1982). Sequential control of phytochrome-mediated synthesis de novo of β-amylase in the cotyledons of mustard (Sinapis alba L.) seedlings. Planta, 155(2), 183-9. https://doi.org/10.1007/BF00392550
Sharma, R, and Schopfer, P. "Sequential control of phytochrome-mediated synthesis de novo of β-amylase in the cotyledons of mustard (Sinapis alba L.) seedlings." Planta vol. 155,2 (1982): 183-9. doi: https://doi.org/10.1007/BF00392550
Sharma R, Schopfer P. Sequential control of phytochrome-mediated synthesis de novo of β-amylase in the cotyledons of mustard (Sinapis alba L.) seedlings. Planta. 1982 Jul;155(2):183-9. doi: 10.1007/BF00392550. PMID: 24271673.
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Separation of Photolabile-Phytochrome and Photostable-Phytochrome Actions on Growth and Microtubule Orientation in Maize Coleoptiles (A Physiological Approach).

Plant physiology

Fischer K, Schopfer P.
PMID: 12223819
Plant Physiol. 1997 Oct;115(2):511-518. doi: 10.1104/pp.115.2.511.

For separating the physiological actions of photolabile (phy-l) and photostable phytochromes, we compared the effects of red (R) and far-red (FR) light on elongation growth and microtubule reorientation in segments of maize (Zea mays L.) coleoptiles raised either in...

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Fischer K, Schopfer P. Separation of Photolabile-Phytochrome and Photostable-Phytochrome Actions on Growth and Microtubule Orientation in Maize Coleoptiles (A Physiological Approach). Plant Physiol. 1997;115(2):511-518doi: 10.1104/pp.115.2.511.
Fischer, K., & Schopfer, P. (1997). Separation of Photolabile-Phytochrome and Photostable-Phytochrome Actions on Growth and Microtubule Orientation in Maize Coleoptiles (A Physiological Approach). Plant physiology, 115(2), 511-518. https://doi.org/10.1104/pp.115.2.511
Fischer, K., and Schopfer, P.. "Separation of Photolabile-Phytochrome and Photostable-Phytochrome Actions on Growth and Microtubule Orientation in Maize Coleoptiles (A Physiological Approach)." Plant physiology vol. 115,2 (1997): 511-518. doi: https://doi.org/10.1104/pp.115.2.511
Fischer K, Schopfer P. Separation of Photolabile-Phytochrome and Photostable-Phytochrome Actions on Growth and Microtubule Orientation in Maize Coleoptiles (A Physiological Approach). Plant Physiol. 1997 Oct;115(2):511-518. doi: 10.1104/pp.115.2.511. PMID: 12223819; PMCID: PMC158509.
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Determination of Auxin-Dependent pH Changes in Coleoptile Cell Walls by a Null-Point Method.

Plant physiology

Schopfer P.
PMID: 12231942
Plant Physiol. 1993 Oct;103(2):351-357. doi: 10.1104/pp.103.2.351.

The present debate on the validity of the "acid-growth theory" of auxin (indole-3-acetic acid, IAA) action concentrates on the question of whether IAA-induced proton excretion into the cell wall is quantitatively sufficient to provide the shift in pH that...

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Schopfer P. Determination of Auxin-Dependent pH Changes in Coleoptile Cell Walls by a Null-Point Method. Plant Physiol. 1993;103(2):351-357doi: 10.1104/pp.103.2.351.
Schopfer, P. (1993). Determination of Auxin-Dependent pH Changes in Coleoptile Cell Walls by a Null-Point Method. Plant physiology, 103(2), 351-357. https://doi.org/10.1104/pp.103.2.351
Schopfer, P.. "Determination of Auxin-Dependent pH Changes in Coleoptile Cell Walls by a Null-Point Method." Plant physiology vol. 103,2 (1993): 351-357. doi: https://doi.org/10.1104/pp.103.2.351
Schopfer P. Determination of Auxin-Dependent pH Changes in Coleoptile Cell Walls by a Null-Point Method. Plant Physiol. 1993 Oct;103(2):351-357. doi: 10.1104/pp.103.2.351. PMID: 12231942; PMCID: PMC158990.
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pH-Dependence of Extension Growth in Avena Coleoptiles and Its Implications for the Mechanism of Auxin Action.

Plant physiology

Schopfer P.
PMID: 16666736
Plant Physiol. 1989 May;90(1):202-7. doi: 10.1104/pp.90.1.202.

The pH-dependence of acid-induced growth in excised segments of Avena sativa coleoptiles has been reinvestigated in the pH range 3 to 7. In contrast to previous reports (e.g. DL Rayle [1973] Planta 114: 63-73), only acidic buffers with a...

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Schopfer P. pH-Dependence of Extension Growth in Avena Coleoptiles and Its Implications for the Mechanism of Auxin Action. Plant Physiol. 1989;90(1):202-7doi: 10.1104/pp.90.1.202.
Schopfer, P. (1989). pH-Dependence of Extension Growth in Avena Coleoptiles and Its Implications for the Mechanism of Auxin Action. Plant physiology, 90(1), 202-7. https://doi.org/10.1104/pp.90.1.202
Schopfer, P. "pH-Dependence of Extension Growth in Avena Coleoptiles and Its Implications for the Mechanism of Auxin Action." Plant physiology vol. 90,1 (1989): 202-7. doi: https://doi.org/10.1104/pp.90.1.202
Schopfer P. pH-Dependence of Extension Growth in Avena Coleoptiles and Its Implications for the Mechanism of Auxin Action. Plant Physiol. 1989 May;90(1):202-7. doi: 10.1104/pp.90.1.202. PMID: 16666736; PMCID: PMC1061699.
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Phytochrome-mediated de novo synthesis of phenylalanine ammonia-lyase: An approach using pre-induced mustard seedlings.

Proceedings of the National Academy of Sciences of the United States of America

Tong WF, Schopfer P.
PMID: 16592363
Proc Natl Acad Sci U S A. 1976 Nov;73(11):4017-21. doi: 10.1073/pnas.73.11.4017.

The molecular mechanism of enzyme (phenylalanine ammonia-lyase; EC 4.3.1.5) formation mediated by phytochrome in mustard seedlings was investigated by labeling the enzyme with deuterium followed by high resolution CsCl density gradient analysis. A favorable relationship between induced rise of...

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Tong WF, Schopfer P. Phytochrome-mediated de novo synthesis of phenylalanine ammonia-lyase: An approach using pre-induced mustard seedlings. Proc Natl Acad Sci U S A. 1976;73(11):4017-21doi: 10.1073/pnas.73.11.4017.
Tong, W. F., & Schopfer, P. (1976). Phytochrome-mediated de novo synthesis of phenylalanine ammonia-lyase: An approach using pre-induced mustard seedlings. Proceedings of the National Academy of Sciences of the United States of America, 73(11), 4017-21. https://doi.org/10.1073/pnas.73.11.4017
Tong, W F, and Schopfer, P. "Phytochrome-mediated de novo synthesis of phenylalanine ammonia-lyase: An approach using pre-induced mustard seedlings." Proceedings of the National Academy of Sciences of the United States of America vol. 73,11 (1976): 4017-21. doi: https://doi.org/10.1073/pnas.73.11.4017
Tong WF, Schopfer P. Phytochrome-mediated de novo synthesis of phenylalanine ammonia-lyase: An approach using pre-induced mustard seedlings. Proc Natl Acad Sci U S A. 1976 Nov;73(11):4017-21. doi: 10.1073/pnas.73.11.4017. PMID: 16592363; PMCID: PMC431308.
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Purification of protochlorophyllide holochrome.

Plant physiology

Schopfer P, Siegelman HW.
PMID: 16656872
Plant Physiol. 1968 Jun;43(6):990-6. doi: 10.1104/pp.43.6.990.

Phototransformable protochlorophyllide holochrome was prepared from etiolated bean leaves. The detergent Triton X-100 in the presence of glycerol and tricine-KOH buffer (pH 8) enhanced the extractability, specific activity, and phototransformability of the holochrome. Purification was achieved by polyethylene glycol-6000...

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Schopfer P, Siegelman HW. Purification of protochlorophyllide holochrome. Plant Physiol. 1968;43(6):990-6doi: 10.1104/pp.43.6.990.
Schopfer, P., & Siegelman, H. W. (1968). Purification of protochlorophyllide holochrome. Plant physiology, 43(6), 990-6. https://doi.org/10.1104/pp.43.6.990
Schopfer, P, and Siegelman, H W. "Purification of protochlorophyllide holochrome." Plant physiology vol. 43,6 (1968): 990-6. doi: https://doi.org/10.1104/pp.43.6.990
Schopfer P, Siegelman HW. Purification of protochlorophyllide holochrome. Plant Physiol. 1968 Jun;43(6):990-6. doi: 10.1104/pp.43.6.990. PMID: 16656872; PMCID: PMC1086958.
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[Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) of the mustard seedling (Sinapis alba L.), an electrophoretically homogeneous enzyme].

Planta

Schopfer P.
PMID: 24487684
Planta. 1971 Dec;99(4):339-46. doi: 10.1007/BF00385825.

Improved techniques in localization of phenylalanine ammonia-lyase (PAL) on polyacrylamide disk electrophoresis columns indicate that the enzyme synthesized under the control of phytochrome is electrophoretically indistinguishable from the enzyme present in dark grown mustard seedlings. Furthermore, no heterogeneity of...

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Schopfer P. Die Phenylalaninammoniumlyase (PAL, EC 4.3.1.5) des Senfkeimlings (Sinapis alba L.), ein elektrophoretisch einheitliches Enzym. [Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) of the mustard seedling (Sinapis alba L.), an electrophoretically homogeneous enzyme]. Planta. 1971;99(4):339-46doi: 10.1007/BF00385825.
Schopfer, P. (1971). Die Phenylalaninammoniumlyase (PAL, EC 4.3.1.5) des Senfkeimlings (Sinapis alba L.), ein elektrophoretisch einheitliches Enzym. [Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) of the mustard seedling (Sinapis alba L.), an electrophoretically homogeneous enzyme]. Planta, 99(4), 339-46. https://doi.org/10.1007/BF00385825
Schopfer, P. "Die Phenylalaninammoniumlyase (PAL, EC 4.3.1.5) des Senfkeimlings (Sinapis alba L.), ein elektrophoretisch einheitliches Enzym." [Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) of the mustard seedling (Sinapis alba L.), an electrophoretically homogeneous enzyme]. Planta vol. 99,4 (1971): 339-46. doi: https://doi.org/10.1007/BF00385825
Schopfer P. Die Phenylalaninammoniumlyase (PAL, EC 4.3.1.5) des Senfkeimlings (Sinapis alba L.), ein elektrophoretisch einheitliches Enzym. [Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) of the mustard seedling (Sinapis alba L.), an electrophoretically homogeneous enzyme]. Planta. 1971 Dec;99(4):339-46. doi: 10.1007/BF00385825. German. PMID: 24487684.
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Phytochrome-controlled extension growth of Avena sativa L. seedlings : II. Fluence rate response relationships and action spectra of mesocotyl and coleoptile responses.

Planta

Schäfer E, Lassig TU, Schopfer P.
PMID: 24276066
Planta. 1982 May;154(3):231-40. doi: 10.1007/BF00387869.

Fluence rate response curves for light-induced inhibition of mesocotyl growth and promotion of coleoptile growth in etiolated Avena sativa L. (cv. Victory) were developed. The irradiation time was 24 h. Fluence rates between 10(-6) and 10(5) nmol m(-2)s(-1) and...

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Schäfer E, Lassig TU, Schopfer P. Phytochrome-controlled extension growth of Avena sativa L. seedlings : II. Fluence rate response relationships and action spectra of mesocotyl and coleoptile responses. Planta. 1982;154(3):231-40doi: 10.1007/BF00387869.
Schäfer, E., Lassig, T. U., & Schopfer, P. (1982). Phytochrome-controlled extension growth of Avena sativa L. seedlings : II. Fluence rate response relationships and action spectra of mesocotyl and coleoptile responses. Planta, 154(3), 231-40. https://doi.org/10.1007/BF00387869
Schäfer, E, et al. "Phytochrome-controlled extension growth of Avena sativa L. seedlings : II. Fluence rate response relationships and action spectra of mesocotyl and coleoptile responses." Planta vol. 154,3 (1982): 231-40. doi: https://doi.org/10.1007/BF00387869
Schäfer E, Lassig TU, Schopfer P. Phytochrome-controlled extension growth of Avena sativa L. seedlings : II. Fluence rate response relationships and action spectra of mesocotyl and coleoptile responses. Planta. 1982 May;154(3):231-40. doi: 10.1007/BF00387869. PMID: 24276066.
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Generation of polycyclic aromatic hydrocarbons (PAHs) during woodworking operations.

Frontiers in oncology

Bruschweiler ED, Danuser B, Huynh CK, Wild P, Schupfer P, Vernez D, Boiteux P, Hopf NB.
PMID: 23087908
Front Oncol. 2012 Oct 18;2:148. doi: 10.3389/fonc.2012.00148. eCollection 2012.

Occupational exposures to wood dust have been associated with an elevated risk of sinonasal cancer (SNC). Wood dust is recognized as a human carcinogen but the specific cancer causative agent remains unknown. One possible explanation is a co-exposure to;...

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Bruschweiler ED, Danuser B, Huynh CK, et al. Generation of polycyclic aromatic hydrocarbons (PAHs) during woodworking operations. Front Oncol. 2012;2:148doi: 10.3389/fonc.2012.00148.
Bruschweiler, E. D., Danuser, B., Huynh, C. K., Wild, P., Schupfer, P., Vernez, D., Boiteux, P., & Hopf, N. B. (2012). Generation of polycyclic aromatic hydrocarbons (PAHs) during woodworking operations. Frontiers in oncology, 2148. https://doi.org/10.3389/fonc.2012.00148
Bruschweiler, Evin D, et al. "Generation of polycyclic aromatic hydrocarbons (PAHs) during woodworking operations." Frontiers in oncology vol. 2 (2012): 148. doi: https://doi.org/10.3389/fonc.2012.00148
Bruschweiler ED, Danuser B, Huynh CK, Wild P, Schupfer P, Vernez D, Boiteux P, Hopf NB. Generation of polycyclic aromatic hydrocarbons (PAHs) during woodworking operations. Front Oncol. 2012 Oct 18;2:148. doi: 10.3389/fonc.2012.00148. eCollection 2012. PMID: 23087908; PMCID: PMC3475003.
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