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Articles (41)
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Microbial diversity and health-promoting properties of the traditional Bulgarian yogurt

Velikova, Petya, Petrov, Kaloyan, Lozanov, Valentin, Tsvetanova, Flora, Stoyanov, Anton, Wu, Zhengjun, Liu, Zhenmin, Petrova, Penka

Journal:

Biotechnology & Biotechnological Equipment

Année:

2018

Langue:

english

Fichier:

PDF, 1.64 MB

english, 2018

l(+)-Lactic acid production from starch by a novel amylolytic Lactococcus lactis subsp. lactis B84

Kaloyan Petrov, Zoltan Urshev, Penka Petrova

Journal:

Food Microbiology

Année:

2008

Langue:

english

Fichier:

PDF, 738 KB

english, 2008

Direct conversion of chicory flour into l(+)-lactic acid by the highly effective inulinase producer Lactobacillus paracasei DSM 23505

Petrova, Penka, Velikova, Petya, Popova, Luiza, Petrov, Kaloyan

Journal:

Bioresource Technology

Année:

2015

Langue:

english

Fichier:

PDF, 422 KB

english, 2015

Amylolytic Lactobacillus Strains from Bulgarian Fermented Beverage Boza

Petrova, Penka, Emanuilova, Milena, Petrov, Kaloyan

Journal:

Zeitschrift für Naturforschung C

Année:

2010

Langue:

english

Fichier:

PDF, 164 KB

english, 2010

Lactic Acid Fermentation of Cereals and Pseudocereals: Ancient Nutritional Biotechnologies with Modern Applications

Petrova, Penka, Petrov, Kaloyan

Journal:

Nutrients

Année:

2020

Fichier:

PDF, 2.70 MB

2020

Comparative studies of rhodium complexes of phosphines and phospholes as hydroformylation and hydrogenation catalysts

Jes Hjortkjaer, Penka Toromanova-Petrova

Journal:

Journal of Molecular Catalysis

Année:

1989

Langue:

english

Fichier:

PDF, 641 KB

english, 1989

Preparation of polyacrylonitrile ultrafiltration membranes from polymer solutions containing glycerol

Stoiko Petrov, Aristotel Dimov, Stoianka Petrova, Penka Petkova

Journal:

Journal of Membrane Science

Année:

1991

Langue:

english

Fichier:

PDF, 619 KB

english, 1991

Direct starch conversion into L-(+)-lactic acid by a novel amylolytic strain of Lactobacillus paracasei B41

Penka Petrova, Kaloyan Petrov

Journal:

Starch - Stärke

Année:

2012

Langue:

english

Fichier:

PDF, 227 KB

english, 2012

High production of 2,3-butanediol from glycerol byKlebsiella pneumoniaeG31

Kaloyan Petrov, Penka Petrova

Journal:

Applied Microbiology and Biotechnology

Année:

2009

Langue:

english

Fichier:

PDF, 174 KB

english, 2009

Enhanced production of 2,3-butanediol from glycerol by forced pH fluctuations

Kaloyan Petrov, Penka Petrova

Journal:

Applied Microbiology and Biotechnology

Année:

2010

Langue:

english

Fichier:

PDF, 177 KB

english, 2010

Rapid Screening of Plasmid-Encoded Smallhsp-Genes inStreptococcus thermophilus

Penka M. Petrova, Dilnora E. Gouliamova

Journal:

Current Microbiology

Année:

2006

Langue:

english

Fichier:

PDF, 313 KB

english, 2006

Improved immobilization ofLactobacillus rhamnosusATCC 7469 in polyacrylamide gel, preventing cell leakage during lactic acid fermentation

Kaloyan K. Petrov, Penka M. Petrova, Venko N. Beschkov

Journal:

World Journal of Microbiology and Biotechnology

Année:

2007

Langue:

english

Fichier:

PDF, 191 KB

english, 2007

Isolation of Novel AlkaliphilicBacillusStrains for Cyclodextrin Glucanotransferase Production

Nikolina Atanasova, Penka Petrova, Viara Ivanova, Dragomir Yankov, Anna Vassileva, Alexandra Tonkova

Journal:

Applied Biochemistry and Biotechnology

Année:

2008

Langue:

english

Fichier:

PDF, 151 KB

english, 2008

Purification and Properties of a New Thermostable Cyclodextrin Glucanotransferase fromBacillus pseudalcaliphilus8SB

Tsvetina Kitayska, Penka Petrova, Viara Ivanova, Alexandra Ivanova Tonkova

Journal:

Applied Biochemistry and Biotechnology

Année:

2011

Langue:

english

Fichier:

PDF, 285 KB

english, 2011

Isolation and characterization of Lactobacillus strains involved in koumiss fermentation

SVETLA DANOVA, KALOYAN PETROV, PLAMEN PAVLOV, PENKA PETROVA

Journal:

International Journal of Dairy Technology

Année:

2005

Langue:

english

Fichier:

PDF, 121 KB

english, 2005

MANF

Penka S. Petrova, Andrei Raibekas, Jonathan Pevsner, Noel Vigo, Mordechai Anafi, Mary K. Moore, Amy E. Peaire, Viji Shridhar, David I. Smith, John Kelly, Yves Durocher, John W. Commissiong

Journal:

Journal of Molecular Neuroscience

Année:

2003

Langue:

english

Fichier:

PDF, 926 KB

english, 2003

Structural and functional analysis of pt38, a 2.9 kb plasmid of Streptococcus thermophilus yogurt strain

Penka Petrova, Vanya Miteva, Jose Angel Ruiz-Masó, Gloria del Solar

Journal:

Plasmid

Année:

2003

Langue:

english

Fichier:

PDF, 298 KB

english, 2003

Sequence analysis, cloning and extracellular expression of cyclodextrin glucanotransferase gene from the alkaliphilic Bacillus pseudalcaliphilus 8SB in Escherichia coli

Penka Petrova, Alexandra Tonkova, Kaloyan Petrov

Journal:

Process Biochemistry

Année:

2012

Langue:

english

Fichier:

PDF, 469 KB

english, 2012

2,3-Butanediol production from starch by engineeredKlebsiella pneumoniaeG31-A

Tsvetanova, Flora, Petrova, Penka, Petrov, Kaloyan

Journal:

Applied Microbiology and Biotechnology

Année:

2014

Langue:

english

Fichier:

PDF, 417 KB

english, 2014

[Progress in Brain Research] NGF and Related Molecules in Health and Disease Volume 146 || Discovering novel phenotype-selective neurotrophic factors to treat neurodegenerative diseases

Petrova, Penka S.

Année:

2004

Langue:

english

Fichier:

PDF, 730 KB

english, 2004

Immunoglobulin levels, cytology and microbiologic investigations of broncho-alveolar lavage in children with cystic fibrosis

Petrova, Guergana, Strateva, Tanya, Ulevinov, Nikolay, Perenovska, Penka

Journal:

The Brazilian Journal of Infectious Diseases

Année:

2013

Langue:

english

Fichier:

PDF, 125 KB

english, 2013

Etiology of bronchopulmonary infections in Bulgarian cystic fibrosis patients

Strateva, Tanya, Petrova, Guergana, Stratev, Alexander, Perenovska, Penka, Mitov, Ivan

Journal:

The Brazilian Journal of Infectious Diseases

Année:

2013

Langue:

english

Fichier:

PDF, 266 KB

english, 2013

Structural and functional analysis of PUR2,5 gene encoding bifunctional enzyme of de novo purine biosynthesis in Ogataea (Hansenula) polymorpha CBS 4732T

Stoyanov, Anton, Petrova, Penka, Lyutskanova, Dimitrinka, Lahtchev, Kantcho

Journal:

Microbiological Research

Année:

2014

Langue:

english

Fichier:

PDF, 3.25 MB

english, 2014

Antimicrobial Activity of Starch-Degrading Lactobacillus Strains Isolated from Boza

Petrova, Penka M., Petrov, Kaloyan K.

Journal:

Biotechnology & Biotechnological Equipment

Année:

2011

Langue:

english

Fichier:

PDF, 337 KB

english, 2011

Starch-modifying enzymes of lactic acid bacteria - structures, properties, and applications

Petrova, Penka, Petrov, Kaloyan, Stoyancheva, Galina

Journal:

Starch - Stärke

Année:

2013

Langue:

english

Fichier:

PDF, 1.20 MB

english, 2013

High Production of Neuraminidase by aVibrio choleraeNon-O1 Strain—the First Possible Alternative to Toxigenic Producers

Eneva, Rumyana Todorova, Engibarov, Stephan Andreas, Petrova, Penka, Abrashev, Radoslav, Strateva, Tanya, Kolyovska, Vera, Abrashev, Ignat

Journal:

Applied Biochemistry and Biotechnology

Année:

2015

Langue:

english

Fichier:

PDF, 1.29 MB

english, 2015

Starch utilization routes in lactic acid bacteria: new insight by gene expression assay

Velikova, Petya, Stoyanov, Anton, Blagoeva, Galya, Popova, Luiza, Petrov, Kaloyan, Gotcheva, Velitchka, Angelov, Angel, Petrova, Penka

Journal:

Starch - Stärke

Année:

2016

Langue:

english

Fichier:

PDF, 254 KB

english, 2016

Severe asthma in adolescence - or how the low self-esteem obstacles the therapy

Petrova, Guergana, Shopova, Sylvia, Miteva, Dimitrinka, Lazova, Snezhina, Perenovska, Penka

Journal:

Clinical and Translational Allergy

Année:

2015

Langue:

english

Fichier:

PDF, 141 KB

english, 2015

The cell wall anchored β-fructosidases of Lactobacillus paracasei: Overproduction, purification, and gene expression control

Velikova, Petya, Petrov, Kaloyan, Petrova, Penka

Journal:

Process Biochemistry

Année:

2016

Langue:

english

Fichier:

PDF, 1.13 MB

english, 2016

High lactic acid and fructose production via Mn2+-mediated conversion of inulin byLactobacillus paracasei

Petrov, Kaloyan, Popova, Luiza, Petrova, Penka

Journal:

Applied Microbiology and Biotechnology

Année:

2017

Langue:

english

Fichier:

PDF, 944 KB

english, 2017

Langerhans-Cell Histiocytoses - Epidemiology, Classification, Clinical Features, Diagnosis, Complications, Treatment and Prognosis

Papochieva, Vera E., Miteva, Dimitrinka S., Perenovska, Penka I., Petrova, Guergana

Journal:

Journal of Biomedical and Clinical Research

Année:

2016

Langue:

english

Fichier:

PDF, 415 KB

english, 2016

Reimbursement policy optimization for Angiotensin-converting enzyme (ACE) inhibitors in Bulgaria: Controlling expenditure without undermining access to treatment

Rossen M Kazakov,Penka I Petrova

Journal:

Journal of Pharmaceutical Policy and Practice

Année:

2015

Langue:

english

Fichier:

PDF, 464 KB

english, 2015

Food Bioconversion || Prebiotic–Probiotic Relationship: The Genetic Fundamentals of Polysaccharides Conversion by Bifidobacterium and Lactobacillus Genera

Petrova, Penka

Année:

2017

Langue:

english

Fichier:

PDF, 1.87 MB

english, 2017

Pulmonary Gangrene - Severe And Rare Complication Of Pneumonia

Petrova, Guergana, Perenovska, Penka I., Miteva, Dimitrinka, Kabakchieva, Radost T., Brankov, Ognyan G., Drebov, Rosen S.

Journal:

Journal of Biomedical and Clinical Research

Année:

2014

Langue:

english

Fichier:

PDF, 267 KB

english, 2014

TTI-621 (SIRPαFc), a CD47-blocking cancer immunotherapeutic, triggers phagocytosis of lymphoma cells by multiple polarized macrophage subsets

Lin, Gloria H. Y., Chai, Vien, Lee, Vivian, Dodge, Karen, Truong, Tran, Wong, Mark, Johnson, Lisa D., Linderoth, Emma, Pang, Xinli, Winston, Jeff, Petrova, Penka S., Uger, Robert A., Viller, Natasja N

Journal:

PLoS ONE

Année:

2017

Langue:

english

Fichier:

PDF, 4.06 MB

english, 2017

Central Nervous System Involvement in Henoch-Schonlein Purpura in Children and Adolescents

Pacheva, Iliyana H., Ivanov, Ivan S., Stefanova, Krastina, Chepisheva, Elena, Chochkova, Lyubov, Grozeva, Dafina, Stoyanova, Angelina, Milenkov, Stojan, Stefanova, Penka, Petrova, Anna

Journal:

Case Reports in Pediatrics

Année:

2017

Langue:

english

Fichier:

PDF, 1.86 MB

english, 2017

Intralesional Injection of the CD47-blocking immune checkpoint inhibitor TTI-621 (SIRPaFc) induces antitumor activity in patients with relapsed/refractory mycosis fungoides and Sézary syndrome: Interim results of a multicenter Phase 1 trial

Querfeld, Christiane, Thompson, John A., Taylor, Matthew, Pillai, Raju, Johnson, Lisa DS., Catalano, Tina, Petrova, Penka S., Uger, Bob A., Irwin, Meghan, Thompson, Theresa, Sievers, Eric L., Akilov,

Journal:

European Journal of Cancer

Année:

2018

Langue:

english

Fichier:

PDF, 45 KB

english, 2018

Low cell surface hydrophobicity is one of the key factors for high butanol tolerance of Lactic acid bacteria

Petrova, Penka, Tsvetanova, Flora, Petrov, Kaloyan

Journal:

Engineering in Life Sciences

Année:

2018

Langue:

english

Fichier:

PDF, 929 KB

english, 2018

DDIS-11. TTI-2341: A NOVEL, ORALLY BIOAVAILABLE, BRAIN-PENETRANT, COVALENT EPIDERMAL GROWTH FACTOR RECEPTOR (EGFR) INHIBITOR FOR TREATMENT OF GLIOBLASTOMA MULTIFORME (GBM) AND BRAIN METASTASES OF NON-SMALL CELL LUNG CANCER (NSCLC)

Wang, Zezhou, Dove, Peter, Rosa, David, Marshall, Andrew, Catalano, Tina, Bossen, Bolette, Choi, Jaehyun, Wang, Chunlei, Wong, Mark, Winston, Jeff, Slassi, Malik, Petrova, Penka S, Uger, Robert A

Journal:

Neuro-Oncology

Année:

2017

Fichier:

PDF, 80 KB

2017

New Bacillus spp. with potential for 2,3-butanediol production from biomass

Petrova, Penka, Petlichka, Siana, Petrov, Kaloyan

Journal:

Journal of Bioscience and Bioengineering

Année:

2020

Langue:

english

Fichier:

PDF, 1.71 MB

english, 2020

How to outwit nature: Omics insight into butanol tolerance

Arsov, Alexander, Petrov, Kaloyan, Petrova, Penka

Journal:

Biotechnology Advances

Année:

2020

Fichier:

PDF, 1.98 MB

2020