Karen Trchounian: search on Z-Library

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1

Enhanced hydrogen gas production from mixture of beer spent grains (BSG) and distiller's grains (DG) with glycerol by Escherichia coli

Mirzoyan, Satenik, Toleugazykyzy, Akerke, Bekbayev, Kairat, Trchounian, Armen, Trchounian, Karen

Journal:

International Journal of Hydrogen Energy

Year:

2020

File:

PDF, 570 KB

2020

2

Roasted coffee wastes as a substrate for Escherichia coli to grow and produce hydrogen

Petrosyan, Hripsime, Vanyan, Liana, Mirzoyan, Satenik, Trchounian, Armen, Trchounian, Karen

Journal:

FEMS Microbiology Letters

Year:

2020

File:

PDF, 1.12 MB

2020

3

Hydrogen production from glycerol by Escherichia coli and other bacteria: An overview and perspectives

Trchounian, Karen, Trchounian, Armen

Journal:

Year:

2015

Language:

english

File:

PDF, 1.16 MB

english, 2015

4

Millimeter waves or extremely high frequency electromagnetic fields in the environment: what are their effects on bacteria?

Soghomonyan, Diana, Trchounian, Karen, Trchounian, Armen

Journal:

Applied Microbiology and Biotechnology

Year:

2016

Language:

english

File:

PDF, 600 KB

english, 2016

5

Improving biohydrogen productivity by microbial dark- and photo-fermentations: Novel data and future approaches

Trchounian, Karen, Sawers, R. Gary, Trchounian, Armen

Journal:

Renewable and Sustainable Energy Reviews

Year:

2017

Language:

english

File:

PDF, 2.20 MB

english, 2017

6

Evidence for hydrogenase-4 catalyzed biohydrogen production in Escherichia coli

Mirzoyan, Satenik, Romero-Pareja, Pablo Maria, Coello, Maria Dolores, Trchounian, Armen, Trchounian, Karen

Journal:

International Journal of Hydrogen Energy

Year:

2017

Language:

english

File:

PDF, 529 KB

english, 2017

7

Formate and potassium ions affect Escherichia coli proton ATPase activity at low pH during mixed carbon fermentation

Gevorgyan, Heghine, Trchounian, Armen, Trchounian, Karen

Journal:

Year:

2019

Language:

english

File:

PDF, 1.11 MB

english, 2019

8

The respiratory molybdo-selenoprotein formate dehydrogenases ofEscherichia colihave hydrogen: benzyl viologen oxidoreductase activity

Basem Soboh, Constanze Pinske, Martin Kuhns, Mandy Waclawek, Christian Ihling, Karen Trchounian, Armen Trchounian, Andrea Sinz, Gary Sawers

Journal:

BMC Microbiology

Year:

2011

Language:

english

File:

PDF, 3.13 MB

english, 2011

9

Dependence on the F0F1-ATP synthase for the activities of the hydrogen-oxidizing hydrogenases 1 and 2 during glucose and glycerol fermentation at high and low pH inEscherichia coli

Karen Trchounian, Constanze Pinske, R. Gary Sawers, Armen Trchounian

Journal:

Journal of Bioenergetics and Biomembranes

Year:

2011

Language:

english

File:

PDF, 212 KB

english, 2011

10

Hydrogen production by Escherichia coli growing in different nutrient media with glycerol: Effects of formate, pH, production kinetics and hydrogenases involved

Trchounian, Karen, Mirzoyan, Satenik, Poladyan, Anna, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2017

Language:

english

File:

PDF, 624 KB

english, 2017

11

Hydrogenase 4 Activity at pH 6.5 and Fhla Protein Interaction with F0F1-ATPase during Mixed Carbon Fermentation by Escherichia Coli

Trchounian, Karen, Trchounian, Armen

Journal:

Biophysical Journal

Year:

2013

Language:

english

File:

PDF, 37 KB

english, 2013

12

Escherichia coli hydrogenase 4 (hyf) and hydrogenase 2 (hyb) contribution in H2 production during mixed carbon (glucose and glycerol) fermentation at pH 7.5 and pH 5.5

Trchounian, Karen, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2013

Language:

english

File:

PDF, 480 KB

english, 2013

13

Role of hydrogenases 3 and 4 in Escherichia coli growth and H2 producing hydrogenase activity during anaerobic utilization of lactose

Mirzoyan, Satenik, Trchounian, Armen, Trchounian, Karen

Journal:

International Journal of Hydrogen Energy

Year:

2018

Language:

english

File:

PDF, 807 KB

english, 2018

14

Role of formate channel coding focA and focB genes in H2 production by Escherichia coli upon glucose fermentation at slightly alkaline pH

Trchounian, Karen, Abrahacpbmyan, Varduhi, Vassilian, Anait, Trchounian, Armen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2014

Language:

english

File:

PDF, 51 KB

english, 2014

15

Hydrogenase 2 is most and hydrogenase 1 is less responsible for H2 production by Escherichia coli under glycerol fermentation at neutral and slightly alkaline pH

Karen Trchounian, Armen Trchounian

Journal:

International Journal of Hydrogen Energy

Year:

2009

Language:

english

File:

PDF, 314 KB

english, 2009

16

Characterization ofEscherichia coli[NiFe]-Hydrogenase Distribution During Fermentative Growth at Different pHs

Karen Trchounian, Constanze Pinske, R. Gary Sawers, Armen Trchounian

Journal:

Cell Biochemistry and Biophysics

Year:

2012

Language:

english

File:

PDF, 418 KB

english, 2012

17

Hydrogenase activity and proton-motive force generation byEscherichia coliduring glycerol fermentation

Trchounian, Karen, Blbulyan, Syuzanna, Trchounian, Armen

Journal:

Journal of Bioenergetics and Biomembranes

Year:

2013

Language:

english

File:

PDF, 338 KB

english, 2013

18

Hydrogen production by Escherichia coli using brewery waste: optimal pretreatment of waste and role of different hydrogenases

Poladyan, Anna, Trchounian, Karen, Vassilian, Anait, Trchounian, Armen

Journal:

Renewable Energy

Year:

2017

Language:

english

File:

PDF, 532 KB

english, 2017

19

H2 production by Escherichia coli batch cultures during utilization of acetate and mixture of glycerol and acetate

Trchounian, Karen, Sargsyan, Harutyun, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2015

Language:

english

File:

PDF, 511 KB

english, 2015

20

Hydrogen production by Escherichia coli during anaerobic utilization of mixture of lactose and glycerol: Enhanced rate and yield, prolonged production

Mirzoyan, Satenik, Trchounian, Armen, Trchounian, Karen

Journal:

International Journal of Hydrogen Energy

Year:

2019

Language:

english

File:

PDF, 975 KB

english, 2019

21

Influence of C 4 -Dcu transporters on hydrogenase and formate dehydrogenase activities in stationary phase-grown fermenting Escherichia coli

Karapetyan, Lusine, Pinske, Constanze, Sawers, Gary, Trchounian, Armen, Trchounian, Karen

Journal:

Year:

2020

File:

PDF, 998 KB

2020

22

Escherichia coli growth and hydrogen production in batch culture upon formate alone and with glycerol co-fermentation at different pHs

Trchounian, Karen, Abrahamyan, Varduhi, Poladyan, Anna, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2015

Language:

english

File:

PDF, 812 KB

english, 2015

23

Novel approach of ethanol waste utilization: Biohydrogen production by mixed cultures of dark- and photo-fermentative bacteria using distillers grains

Sargsyan, Harutyun, Trchounian, Karen, Gabrielyan, Lilit, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2016

Language:

english

File:

PDF, 1.17 MB

english, 2016

24

Transcriptional control of hydrogen production during mixed carbon fermentation by hydrogenases 4 (hyf) and 3 (hyc) in Escherichia coli

Karen Trchounian

Journal:

Year:

2012

Language:

english

File:

PDF, 464 KB

english, 2012

25

Optimizing strategy for Escherichia coli growth and hydrogen production during glycerol fermentation in batch culture: Effects of some heavy metal ions and their mixtures

Trchounian, Karen, Poladyan, Anna, Trchounian, Armen

Journal:

Year:

2016

Language:

english

File:

PDF, 396 KB

english, 2016

26

Prolongation of H 2 production during mixed carbon sources fermentation in E. coli batch cultures: New findings and role of different hydrogenases

Mirzoyan, Satenik, Vassilian, Anait, Trchounian, Armen, Trchounian, Karen

Journal:

International Journal of Hydrogen Energy

Year:

2018

Language:

english

File:

PDF, 1.35 MB

english, 2018

27

Biomass and biohydrogen production during dark fermentation of Escherichia coli using office paper waste and cardboard

Poladyan, Anna, Margaryan, Lena, Trchounian, Karen, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2019

File:

PDF, 684 KB

2019

28

Interdependence of Escherichia coli formate dehydrogenase and hydrogen-producing hydrogenases during mixed carbon sources fermentation at different pHs

Trchounian, Karen, Gevorgyan, Heghine, Sawers, Gary, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2020

File:

PDF, 34 KB

2020

29

Multiple and reversible hydrogenases for hydrogen production by Escherichia coli : dependence on fermentation substrate, pH and the F 0 F 1 -ATPase

Trchounian, Karen, Poladyan, Anna, Vassilian, Anait, Trchounian, Armen

Journal:

Critical Reviews in Biochemistry and Molecular Biology

Year:

2012

Language:

english

File:

PDF, 1.17 MB

english, 2012

30

Escherichia coli hydrogen gas production from glycerol: Effects of external formate

Trchounian, Karen, Trchounian, Armen

Journal:

Renewable Energy

Year:

2015

Language:

english

File:

PDF, 562 KB

english, 2015

31

Escherichia colimembrane proton conductance and proton efflux depend on growth pH and are sensitive to osmotic stress

Karen Akopyan, Armen Trchounian

Journal:

Cell Biochemistry and Biophysics

Year:

2006

Language:

english

File:

PDF, 135 KB

english, 2006

32

Hydrogen-oxidizing hydrogenases 1 and 2 of Escherichia coli regulate the onset of hydrogen evolution and ATPase activity, respectively, during glucose fermentation at alkaline pH

Poladyan, Anna, Trchounian, Karen, Sawers, R. Gary, Trchounian, Armen

Journal:

FEMS Microbiology Letters

Year:

2013

Language:

english

File:

PDF, 197 KB

english, 2013

33

Redox activity and H2 production upon glycerol fermentation in Escherichia coli: are hydrogenases reversible?

Trchounian, Karen, Trchounian, Armen

Journal:

Biophysical Journal

Year:

2009

Language:

english

File:

PDF, 46 KB

english, 2009

34

Escherichia coli hydrogenase activity and H2 production under glycerol fermentation at a low pH

Karen Trchounian, Viviana Sanchez-Torres, Thomas K. Wood, Armen Trchounian

Journal:

International Journal of Hydrogen Energy

Year:

2011

Language:

english

File:

PDF, 581 KB

english, 2011

35

OBITUARY

Trchounian, Karen, Trchounian, Armen

Journal:

Year:

1934

Language:

english

File:

PDF, 579 KB

english, 1934

36

Molecular Hydrogen Formation by Escherichia Coli Hydrogenase 3 during Fermentation of Glucose at Slightly Acidic pH

Poladyan, Anna, Poghosyan, Anna, Trchounian, Karen, Trchounian, Armen

Journal:

Biophysical Journal

Year:

2011

Language:

english

File:

PDF, 39 KB

english, 2011

37

Enhancement of Escherichia coli bacterial biomass and hydrogen production by some heavy metal ions and their mixtures during glycerol vs glucose fermentation at a relatively wide range of pH

Trchounian, Karen, Poladyan, Anna, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2017

Language:

english

File:

PDF, 612 KB

english, 2017

38

Escherichia coli multiple [Ni–Fe]-hydrogenases are sensitive to osmotic stress during glycerol fermentation but at different pHs

Trchounian, Karen, Trchounian, Armen

Journal:

Year:

2013

Language:

english

File:

PDF, 781 KB

english, 2013

39

Role of F0F1-ATPase in H+ flux by Escherichia coli during lactose fermentation at different pHs

Mirzoyan, Satenik, Trchounian, Armen, Trchounian, Karen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2018

Language:

english

File:

PDF, 55 KB

english, 2018

40

Formate and potassium ions affect Escherichia coli proton ATPase activity at low pH during mixed carbon fermentation

Gevorgyan, Heghine, Trchounian, Armen, Trchounian, Karen

Journal:

Year:

2019

File:

PDF, 1.11 MB

2019

41

Copper (II) Ions AffectEscherichia coliMembrane Vesicles’ SH-Groups and a Disulfide-Dithiol Interchange Between Membrane Proteins

Gayane Kirakosyan, Karen Trchounian, Zaruhi Vardanyan, Armen Trchounian

Journal:

Cell Biochemistry and Biophysics

Year:

2008

Language:

english

File:

PDF, 337 KB

english, 2008

42

S13.30 The Escherichia coli hydrogenase activity under glycerol fermentation

Karen Trchounian, Armen Trchounian

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2008

Language:

english

File:

PDF, 86 KB

english, 2008

43

Glycerol and mixture of carbon sources conversion to hydrogen by Clostridium beijerinckii DSM791 and effects of various heavy metals on hydrogenase activity

Trchounian, Karen, Müller, Nicolai, Schink, Bernhard, Trchounian, Armen

Journal:

International Journal of Hydrogen Energy

Year:

2017

Language:

english

File:

PDF, 1.04 MB

english, 2017

44

Understanding the Role of Escherichia coli Hydrogenases and Formate Dehydrogenases in the F O F 1 -ATPase Activity during the Mixed Acid Fermentation of Mixture of Carbon Sources

Gevorgyan, Heghine, Trchounian, Armen, Trchounian, Karen

Journal:

Year:

2018

Language:

english

File:

PDF, 881 KB

english, 2018

45

Contribution of Hydrogenase 2 to Stationary Phase H2Production byEscherichia coliDuring Fermentation of Glycerol

Karen Trchounian, Basem Soboh, R. Gary Sawers…

Journal:

Cell Biochemistry and Biophysics

Year:

2013

Language:

english

File:

PDF, 313 KB

english, 2013

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