Helbling, E. Walter: search on Z-Library

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1

Anthropogenic pollution of aquatic ecosystems: Emerging problems with global implications

Häder, Donat-P., Banaszak, Anastazia T., Villafañe, Virginia E., Narvarte, Maite A., González, Raúl A., Helbling, E. Walter

Journal:

Science of The Total Environment

Year:

2020

Language:

english

File:

PDF, 9.51 MB

english, 2020

2

Influence of fluctuating irradiance on photosynthesis, growth and community structure of estuarine phytoplankton under increased nutrients and acidification

Bermejo, Paula, DurÃ¡n-Romero, Cristina, VillafaÃ±e, Virginia E., Helbling, E. Walter

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

2020

Language:

english

File:

PDF, 1.72 MB

english, 2020

3

Access to justice, impunity and legal pluralism in Kenya

Helbling, Jürg, Kälin, Walter, Nobirabo, Prosper

Journal:

The Journal of Legal Pluralism and Unofficial Law

Year:

2015

Language:

english

File:

PDF, 424 KB

english, 2015

4

A cluster of multidrug-resistant Mycobacterium tuberculosis among patients arriving in Europe from the Horn of Africa: a molecular epidemiological study

Walker, Timothy M, Merker, Matthias, Knoblauch, Astrid M, Helbling, Peter, Schoch, Otto D, van der Werf, Marieke J, Kranzer, Katharina, Fiebig, Lena, Kröger, Stefan, Haas, Walter, Hoffmann, Harald, In

Journal:

The Lancet Infectious Diseases

Year:

2018

Language:

english

File:

PDF, 522 KB

english, 2018

5

Solar Ultraviolet Radiation and Its Impact on Aquatic Systems of Patagonia, South America

Virginia E. Villafañe, E. Walter Helbling and Horacio E. Zagarese

Journal:

AMBIO: A Journal of the Human Environment

Year:

2001

Language:

english

File:

PDF, 1.96 MB

english, 2001

6

Hereditary angioedema due to C1 - inhibitor deficiency in Switzerland: clinical characteristics and therapeutic modalities within a cohort study

Steiner, Urs C., Weber-Chrysochoou, Christina, Helbling, Arthur, Scherer, Kathrin, Grendelmeier, Peter Schmid, Wuillemin, Walter A.

Journal:

Orphanet Journal of Rare Diseases

Year:

2016

Language:

english

File:

PDF, 444 KB

english, 2016

7

Food as a trigger for abdominal angioedema attacks in patients with hereditary angioedema

Steiner, Urs C., Kölliker, Lea, Weber-Chrysochoou, Christina, Schmid-Grendelmeier, Peter, Probst, Elsbeth, Wuillemin, Walter A., Helbling, Arthur

Journal:

Orphanet Journal of Rare Diseases

Year:

2018

Language:

english

File:

PDF, 552 KB

english, 2018

8

Differential impacts of global change variables on coastal South Atlantic phytoplankton: Role of seasonal variations

Cabrerizo, Marco J., Carrillo, Presentación, Villafañe, Virginia E., Helbling, E. Walter

Journal:

Marine Environmental Research

Year:

2017

Language:

english

File:

PDF, 1.55 MB

english, 2017

9

Combined Effects of UVR and Temperature on the Survival of Crab Larvae (Zoea I) from Patagonia: The Role of UV-Absorbing Compounds

Moresino, Rodrigo D. Hernández, Helbling, E. Walter

Journal:

Year:

2010

Language:

english

File:

PDF, 412 KB

english, 2010

10

Combined effects of solar ultraviolet radiation and nutrients addition on growth, biomass and taxonomic composition of coastal marine phytoplankton communities of Patagonia

M. Alejandra Marcoval, Virginia E. Villafañe, E. Walter Helbling

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2008

Language:

english

File:

PDF, 255 KB

english, 2008

11

Xanthophyll cycle activity and photosynthesis of Dunaliella tertiolecta (Chlorophyceae) and Thalassiosira weissflogii (Bacillariophyceae) during fluctuating solar radiation

van de Poll, Willem H., Buma, Anita G. J., Visser, Ronald J. W., Janknegt, Paul J., Villafañe, Virginia E., Helbling, E. Walter

Journal:

Year:

2010

Language:

english

File:

PDF, 303 KB

english, 2010

12

Differential Responses of Two Phytoplankton Communities from the Chubut River Estuary (Patagonia, Argentina) to the Combination of UVR and Elevated Temperature

Helbling, E. Walter, Banaszak, Anastazia T., Villafañe, Virginia E.

Journal:

Estuaries and Coasts

Year:

2015

Language:

english

File:

PDF, 404 KB

english, 2015

13

Screening of migrants for tuberculosis identifies patients with multidrug-resistant tuberculosis but is not sufficient

Helbling, Peter, Kröger, Stefan, Haas, Walter, Brusin, Sergio, Cirillo, Daniela Maria, Groenheit, Ramona, Guthmann, Jean-Paul, Soini, Hanna, Hendrickx, David, van der Werf, Marieke J.

Journal:

Clinical Microbiology and Infection

Year:

2018

Language:

english

File:

PDF, 276 KB

english, 2018

14

Impact of Solar Ultraviolet Radiation on Marine Phytoplankton of Patagonia, Argentina¶

Helbling, E. Walter, Barbieri, Elena S., Marcoval, M. Alejandra, Gonçalves, Rodrigo J., Villafañe, Virginia E.

Journal:

Photochemistry and Photobiology

Year:

2005

Language:

english

File:

PDF, 541 KB

english, 2005

15

Symposium-in-Print: UV Effects in Aquatic and Terrestrial Environments Introduction

Patrick J. Neale, E. Walter Helbling, Thomas A. Day

Journal:

Photochemistry and Photobiology

Year:

2007

Language:

english

File:

PDF, 440 KB

english, 2007

16

Solar UVR sensitivity of phyto- and bacterioplankton communities from Patagonian coastal waters under increased nutrients and acidification

Durán-Romero, Cristina, Villafañe, Virginia E., Valiñas, Macarena S., Gonçalves, Rodrigo J., Helbling, E. Walter

Journal:

ICES Journal of Marine Science

Year:

2017

Language:

english

File:

PDF, 569 KB

english, 2017

17

Combinations of the α-Helix−Turn−α-Helix Motif of TetR with Respective Residues from LacI or 434Cro: DNA Recognition, Inducer Binding, and Urea-Dependent Denaturation †

Backes, Heike, Berens, Christian, Helbl, Vera, Walter, Stefan, Schmid, Franz X., Hillen, Wolfgang

Journal:

Year:

1997

Language:

english

File:

PDF, 365 KB

english, 1997

18

SARS-CoV-2 assays to detect functional antibody responses that block ACE2 recognition in vaccinated animals and infected patients

Walker, Susanne N., Chokkalingam, Neethu, Reuschel, Emma L., Purwar, Mansi, Xu, Ziyang, Gary, Ebony N., Kim, Kevin Y., Helble, Michaela, Schultheis, Katherine, Walters, Jewell, Ramos, Stephanie, Muthu

Journal:

Journal of Clinical Microbiology

Year:

2020

File:

PDF, 1.80 MB

2020

19

UV-absorbing compounds inPorphyra haitanensis(Rhodophyta) with special reference to effects of desiccation

Hongxia Jiang, Kunshan Gao, E. Walter Helbling

Journal:

Journal of Applied Phycology

Year:

2008

Language:

english

File:

PDF, 273 KB

english, 2008

20

Vertical mixing within the epilimnion modulates UVR-induced photoinhibition in tropical freshwater phytoplankton from southern China

VIRGINIA E. VILLAFAÑE, KUNSHAN GAO, PING LI, GANG LI, E. WALTER HELBLING

Journal:

Freshwater Biology

Year:

2007

Language:

english

File:

PDF, 745 KB

english, 2007

21

COMBINED EFFECTS OF ULTRAVIOLET RADIATION AND TEMPERATURE ON MORPHOLOGY, PHOTOSYNTHESIS, AND DNA OF ARTHROSPIRA (SPIRULINA) PLATENSIS (CYANOPHYTA)

Kunshan Gao, Ping Li, Teruo Watanabe, E. Walter Helbling

Journal:

Journal of Phycology

Year:

2008

Language:

english

File:

PDF, 417 KB

english, 2008

22

Solar UV radiation modulates daily production and DNA damage of marine bacterioplankton from a productive upwelling zone (36°S), Chile

Klaudia L. Hernández, Renato A. Quiñones, Giovanni Daneri, María E. Farias, E. Walter Helbling

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

2007

Language:

english

File:

PDF, 713 KB

english, 2007

23

Role of protective and repair mechanisms in the inhibition of photosynthesis in marine macroalgae

H??der, Donat-P., Lebert, Michael, Sinha, Rajeshwar P., Barbieri, Elena S., Helbling, E. Walter

Journal:

Photochemical & Photobiological Sciences

Year:

2002

Language:

english

File:

PDF, 196 KB

english, 2002

24

Experimental Assessment of UV Effects on Temperate Marine Phytoplankton When Exposed to Variable Radiation Regimes

Elena S. Barbieri, Virginia E. Villafañe and E. Walter Helbling

Journal:

Limnology and Oceanography

Year:

2002

Language:

english

File:

PDF, 389 KB

english, 2002

25

Sex-dependent effects of ultraviolet radiation on the marine amphipod Ampithoe valida (Ampithoidae)

Valiñas, Macarena S., Helbling, E. Walter

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2015

Language:

english

File:

PDF, 689 KB

english, 2015

26

Wavelength-dependent xanthophyll cycle activity in marine microalgae exposed to natural ultraviolet radiation

Buma, Anita G. J., Visser, Ronald J. W., Van De Poll, Willem H., Villafañe, Virginia E., Janknegt, Paul J., Walter Helbling, E.

Journal:

European Journal of Phycology

Year:

2009

Language:

english

File:

PDF, 886 KB

english, 2009

27

Increase in Rubisco activity and gene expression due to elevated temperature partially counteracts ultraviolet radiation-induced photoinhibition in the marine diatom Thalassiossira weissflogii

Helbling, E. Walter, Buma, Anita G. J., Boelen, Peter, van der Strate, Han J., Fiorda Giordanino, M. Valeria, Villafañe, Virginia E.

Journal:

Limnology and Oceanography

Year:

2011

Language:

english

File:

PDF, 979 KB

english, 2011

28

Effects of UV radiation on the taxonomic composition of natural bacterioplankton communities from Bahía Engaño (Patagonia, Argentina)

Julieta M. Manrique, Andrea Y. Calvo, Silvana R. Halac, Virginia E. Villafañe, Leandro R. Jones, E. Walter Helbling

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2012

Language:

english

File:

PDF, 524 KB

english, 2012

29

Phytoplankton distribution and photosynthesis dynamics in the Chubut River estuary (Patagonia, Argentina) throughout tidal cycles

Walter Helbling, E., Pérez, Daniel E., Medina, César D., Lagunas, Marcos G., Villafañe, Virginia E.

Journal:

Limnology and Oceanography

Year:

2010

Language:

english

File:

PDF, 974 KB

english, 2010

30

Effects of solar ultraviolet radiation on photosynthesis of the marine red tide alga Heterosigma akashiwo (Raphidophyceae)

Kunshan Gao, Wanchun Guan, E. Walter Helbling

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2007

Language:

english

File:

PDF, 252 KB

english, 2007

31

Variability of UVR Effects on Photosynthesis of Summer Phytoplankton Assemblages from a Tropical Coastal Area of the South China Sea

Kunshan Gao, Gang Li, E. Walter Helbling, Virginia E. Villafañe

Journal:

Photochemistry and Photobiology

Year:

2007

Language:

english

File:

PDF, 788 KB

english, 2007

32

Solar UVR-induced DNA damage and inhibition of photosynthesis in phytoplankton from Andean lakes of Argentina

Villafañe, Virginia E., Buma, Anita G.J., Boelen, Peter, Helbling, E. Walter

Journal:

Archiv fur Hydrobiologie

Year:

2004

Language:

english

File:

PDF, 805 KB

english, 2004

33

Patterns of DNA damage and photoinhibition in temperate South-Atlantic picophytoplankton exposed to solar ultraviolet radiation

Anita G.J. Buma, E. Walter Helbling, M. Karin de Boer, Virginia E. Villafañe

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2001

Language:

english

File:

PDF, 763 KB

english, 2001

34

Differential responses ofNostoc sphaeroidesandArthrospira platensisto solar ultraviolet radiation exposure

E. Walter Helbling, Kunshan Gao, Hongxia Ai, Zengling Ma, Virginia E. Villafañe

Journal:

Journal of Applied Phycology

Year:

2006

Language:

english

File:

PDF, 269 KB

english, 2006

35

Sublethal effects of ultraviolet radiation on crab larvae of Cyrtograpsus altimanus

Rodrigo D. Hernández Moresino, Rodrigo J. Gonçalves, E. Walter Helbling

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

2011

Language:

english

File:

PDF, 574 KB

english, 2011

36

Latitudinal UVR–PAR measurements in Argentina: extent of the `ozone hole' [Global and Planetary Change 15 (1997) 113–121]

V.Luis Orce, E.Walter Helbling, Alejandro A Paladini, Juan Carlos Labraga, Nemesio San Roman

Journal:

Global and Planetary Change

Year:

1998

Language:

english

File:

PDF, 37 KB

english, 1998

37

Solar Ultraviolet Radiation and Its Impact on Aquatic Systems of Patagonia, South America

Villafañ, Virginia E., Walter Helbling, E., Zagarese, Horacio E.

Journal:

AMBIO: A Journal of the Human Environment

Year:

2001

Language:

english

File:

PDF, 521 KB

english, 2001

38

Productivity of aquatic primary producers under global climate change

Häder, Donat-P., Villafañe, Virginia E., Helbling, E. Walter

Journal:

Photochemical & Photobiological Sciences

Year:

2014

Language:

english

File:

PDF, 1.66 MB

english, 2014

39

Increased nutrients from aeolian-dust and riverine origin decrease the CO 2 -sink capacity of coastal South Atlantic waters under UVR exposure

Cabrerizo, Marco J., Carrillo, Presentación, Villafañe, Virginia E., Medina-Sánchez, Juan Manuel, Helbling, E. Walter

Journal:

Limnology and Oceanography

Year:

2017

Language:

english

File:

PDF, 553 KB

english, 2017

40

Variability in nutrient concentrations around Elephant Island, Antarctica, during 1991-1993

Silva S., Nelson, Helbling, E. Walter, Villafańe, Virginia, Amos, Anthony F., Holm-Hansen, Osmund

Journal:

Year:

1995

Language:

english

File:

PDF, 2.27 MB

english, 1995

41

Effects of UV radiation on post-bloom phytoplankton populations in Kvalsund, North Norway

E. Walter Helbling, Hans Chr. Eilertsen, Virginia E. Villafañe, Osmund Holm-Hansen

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

1996

Language:

english

File:

PDF, 482 KB

english, 1996

42

Effects of solar UV radiation on germination of conchospores and morphogenesis of sporelings inPorphyra haitanensis(Rhodophyta)

Hongxia Jiang, Kunshan Gao, E. Walter Helbling

Journal:

Year:

2007

Language:

english

File:

PDF, 451 KB

english, 2007

43

Motility of Daphnia spinulata as Affected by Solar Radiation Throughout an Annual Cycle in Mid-latitudes of Patagonia

Rodrigo J. Gonçalves, Elena S. Barbieri, Virginia E. Villafañe, E. Walter Helbling

Journal:

Photochemistry and Photobiology

Year:

2007

Language:

english

File:

PDF, 698 KB

english, 2007

44

Effects of Solar Radiation on the Patagonian RhodophyteCorallina officinatis(L.)

Donat-P. Häder, Michael Lebert, E. Walter Helbling

Journal:

Photosynthesis Research

Year:

2003

Language:

english

File:

PDF, 443 KB

english, 2003

45

ULTRAVIOLET RADIATION IN ANTARCTICA: INHIBITION OF PRIMARY PRODUCTION

Osmund Holm-Hansen, E. Walter Helbling, Dan Lubin

Journal:

Photochemistry and Photobiology

Year:

1993

Language:

english

File:

PDF, 480 KB

english, 1993

46

Latitudinal UVR-PAR measurements in Argentina: extent of the ‘ozone hole’

V. Luis Orce, E. Walter Helbling

Journal:

Global and Planetary Change

Year:

1997

Language:

english

File:

PDF, 612 KB

english, 1997

47

Mechanisms of Ligand–Protein Interaction in Sec-14-like Transporters Investigated by Computer Simulations

Helbling, Rachel E., Lamprakis, Christos, Aeschimann, Walter, Bolze, Cristin S., Stocker, Achim, Cascella, Michele

Journal:

CHIMIA International Journal for Chemistry

Year:

2014

Language:

english

File:

PDF, 310 KB

english, 2014

48

Dynamics of potentially protective compounds in Rhodophyta species from Patagonia (Argentina) exposed to solar radiation

E.Walter Helbling, Elena S Barbieri, Rajeshwar P Sinha, Virginia E Villafañe, Donat-P Häder

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2004

Language:

english

File:

PDF, 664 KB

english, 2004

49

Induction of thymine dimers by solar radiation in natural freshwater phytoplankton assemblages in Patagonia, Argentina

Manfred Klisch, Rajeshwar P. Sinha, E. Walter Helbling, Donat-P. Häder

Journal:

Aquatic Sciences

Year:

2005

Language:

english

File:

PDF, 177 KB

english, 2005

50

Global change feed-back inhibits cyanobacterial photosynthesis

Walter Helbling, E., Banaszak, Anastazia T., Villafañe, Virginia E.

Journal:

Scientific Reports

Year:

2015

Language:

english

File:

PDF, 850 KB

english, 2015

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