PubAg

Main content area

You searched for: Author anastasia Remove constraint Author: anastasia Publication Year 2015 Remove constraint Publication Year: 2015
Start Over

Search

136  Search Results

« Previous | 1 - 20 of 136 |
Number of results to display per page

Search Results

1. Effect of High‐Pressure Processing on the Microbial Quality throughout the Shelf Life of Vacuum‐Packed Sliced Ham and Frankfurters

Author:
Taki, Anastasia,   et al.   ; Botsaris, George;     Show all 2 Author
Source:
Journal of food processing and preservation 2015 v.39 no.6 pp. 840-845
ISSN:
0145-8892
Subject:
Escherichia coli; Listeria; Salmonella; Staphylococcus; coliform bacteria; ham; high pressure treatment; hot dogs; infancy; livestock and meat industry; microbiological quality; shelf life; spoilage; vacuum packaging; yeasts
Abstract:
... Microbial spoilage is one of the most important factors threatening the shelf life of meat products. High‐pressure processing (HPP) is growing out of its infancy with an increasing number of commercial applications. The aim of this study was to evaluate the efficiency of HPP on the microbial quality of commercial ham and frankfurters over their shelf life period. Commercially manufactured ham and ...
DOI:
10.1111/jfpp.12294

2. Production of natural products through metabolic engineering of Saccharomyces cerevisiae

Author:
Krivoruchko, Anastasia,   et al.   ; Nielsen, Jens;     Show all 2 Author
Source:
Current opinion in biotechnology 2015 v.35 pp. 7-15
ISSN:
0958-1669
Subject:
Saccharomyces cerevisiae; biochemical pathways; high-value products; isoprenoids; metabolic engineering; metabolites; polyketides; yeasts
Abstract:
... Many high-value metabolites are produced in nature by organisms that are not ideal for large-scale production. Therefore, interest exists in expressing the biosynthetic pathways of these compounds in organisms that are more suitable for industrial production. Recent years have seen developments in both the discovery of various biosynthetic pathways, as well as development of metabolic engineering ...
DOI:
10.1016/j.copbio.2014.12.004

3. Exergy analysis of a small gasification-ICE integrated system for CHP production fueled with Mediterranean agro-food processing wastes: The SMARt-CHP

Author:
Zabaniotou, Anastasia,   et al.   ; Rovas, Dimitrios;     Show all 2 Author
Source:
Renewable energy 2015 v.83 pp. 510-517
ISSN:
0960-1481
Subject:
atmospheric pressure; biofuels; biomass; cleaning; cooling; energy content; exergy; fluidized beds; fruits; gasification; heat; internal combustion engines; olives; oxygen; power generation; processing waste; producer gas; seeds; temperature; winemaking
Abstract:
... This study presents an exergy analysis of combined heat and power production via gasification of various Mediterranean agro-food processing biomass fuels, including olive kernel, fruit kernel and waste biomass from wine production process. The bioenergy system (the SMARt-CHP) is sized for a maximum thermal output of 12 kW in addition to approximately 5 kW electrical output and involves: a fluidize ...
DOI:
10.1016/j.renene.2015.04.071

4. Experimental proof of concept for a sustainable End of Life Tyres pyrolysis with energy and porous materials production

Author:
Zabaniotou, Anastasia,   et al.   ; Antoniou, Nikos;     Show all 2 Author
Source:
Journal of cleaner production 2015 v.101 pp. 323-336
ISSN:
0959-6526
Subject:
activated carbon; alternative fuels; atmospheric pressure; energy; heat; particle size; potassium hydroxide; pyrolysis; surface area; temperature; tires; value-added products
Abstract:
... The present work addresses the importance of pyrolysis to manage waste tyres from a cleaner production and circular economy approach. Optimisation of End of Life Tyres (ELT) pyrolysis conditions, targeting to high added value products, requires further investigation, extensive products characterisation and standardisation. The experimental investigation and technical assessment of ELT pyrolysis in ...
DOI:
10.1016/j.jclepro.2015.03.101

5. Phytogeographical affinities at the crossroads of two continents: Distribution patterns of Lamiaceae in Chios Island (East Aegean Islands, Greece) and Çeşme–Karaburun Peninsula (West Anatolia, Turkey)

Author:
Stefanaki, Anastasia,   et al.   ; Kokkini, Stella;     Show all 2 Author
Source:
Systematics and biodiversity 2015 v.13 no.4 pp. 307-325
ISSN:
1478-0933
Subject:
Lamiaceae; anthropogenic activities; biodiversity; habitats; humans; indigenous species; islands; phytogeography; substrate specificity; Greece; Turkey (country)
Abstract:
... The East Aegean (East Aegean Islands, Greece and West Anatolia, Turkey) is a biogeographically transitional region, where biodiversity elements from Europe and Asia join. However, affinities in the region were until recently scarcely explored. We assess biogeographical affinities in the East Aegean focusing on distribution patterns of Lamiaceae plants in Chios Island and its adjacent Çeşme–Karabur ...
DOI:
10.1080/14772000.2015.1019949

6. Real-time and label-free analyte detection in a flow-through mode using immobilized fluorescent aptamer/quantum dots molecular switches

Author:
Bogomolova, Anastasia,   et al.   ; Aldissi, Matt;     Show all 2 Author
Source:
Biosensors & bioelectronics 2015 v.66 pp. 290-296
ISSN:
0956-5663
Subject:
biosensors; botulinum toxin; fluorescence; monitoring; oligonucleotides; quantum dots; quartz; ricin; ultraviolet radiation
Abstract:
... Inspired by the goal to create a biosensor with designer specificity for real-time detection of unlabeled analytes in a flow-through mode, we designed a miniature flow cell with interchangeable quartz window carrying immobilized aptamer/quantum dot molecular switches as a part of a portable fluorescent setup. The inner surface of the 1.5mm ID, 12µl flow cell quartz window has been modified with th ...
DOI:
10.1016/j.bios.2014.11.034

7. Financialisation, oil and the Great Recession

Author:
Nesvetailova, Anastasia,   et al.   ; Gkanoutas-Leventis, Angelos;     Show all 2 Author
Source:
Energy Policy 2015 v.86 pp. 891-902
ISSN:
0301-4215
Subject:
banking; credit; economic recession; financial assets; governance; issues and policy; markets; oils; politics; prices
Abstract:
... This article addresses the role of world oil price hike of 2007–08 in serving to transform the financial and banking crisis into what is commonly referred to the Great Recession. Existing literature on the global crisis of 2007–09 tends to view it as a financial or banking phenomenon, with analyses focusing mainly on state policies, governance mechanisms and market dynamics in transforming the ban ...
DOI:
10.1016/j.enpol.2015.05.006

8. A Food-Grade Approach to Isolate Crocetin from Saffron (Crocus sativus L.) Extracts

Author:
Kyriakoudi, Anastasia,   et al.   ; Tsimidou, Maria Z.;     Show all 2 Author
Source:
Food analytical methods 2015 v.8 no.9 pp. 2261-2272
ISSN:
1936-9751
Subject:
Crocus sativus; Fourier transform infrared spectroscopy; X-ray diffraction; cost effectiveness; deoxycholic acid; encapsulation; esters; response surface methodology; saffron; scanning electron microscopy; thermogravimetry
Abstract:
... The present study proposes a food-grade approach for the isolation of the valuable apocarotenoid crocetin (CRT) from saffron extracts rich in crocetin esters. Its isolation involved optimization of saffron:solvent ratio (w/v) using response surface methodology (RSM) and encapsulation in deoxycholic acid (DCA) to form an inclusion complex (CRT-DCA). RP-HPLC-DAD was the major tool to monitor the eff ...
DOI:
10.1007/s12161-015-0111-0

9. Substrate-binding domain conformational dynamics mediate Hsp70 allostery

Author:
Zhuravleva, Anastasia,   et al.   ; Gierasch, Lila M.;     Show all 2 Author
Source:
Proceedings of the National Academy of Sciences of the United States of America 2015 v.112 no.22 pp. E2865
ISSN:
0027-8424
Subject:
adenosine triphosphate; heat-shock protein 70; homeostasis
Abstract:
... Binding of ATP to the N-terminal nucleotide-binding domain (NBD) of heat shock protein 70 (Hsp70) molecular chaperones reduces the affinity of their C-terminal substrate-binding domain (SBD) for unfolded protein substrates. ATP binding to the NBD leads to docking between NBD and βSBD and releasing of the α-helical lid that covers the substrate-binding cleft in the SBD. However, these structural ch ...
DOI:
10.1073/pnas.1506692112
PubMed:
26038563
PubMed Central:
PMC4460500

10. Turtle anoxia tolerance: Biochemistry and gene regulation

Author:
Krivoruchko, Anastasia,   et al.   ; Storey, Kenneth B.;     Show all 2 Author
Source:
BBA - General Subjects 2015 v.1850 pp. 1188-1196
ISSN:
0304-4165
Subject:
Chrysemys; Trachemys; cell cycle checkpoints; freshwater; gene expression regulation; genes; hypoxia; mammals; metabolism; oxygen; stress response; tissues; turtles
Abstract:
... While oxygen limitation can be extremely damaging for many animals, some vertebrates have perfected anaerobic survival. Freshwater turtles belonging to the Trachemys and Chrysemys genera, for example, can survive many weeks without oxygen, and as such are commonly used as model animals for vertebrate anoxia tolerance.In the present review we discuss the recent advances made in understanding the bi ...
DOI:
10.1016/j.bbagen.2015.02.001

11. Different modes of acid-catalyzed cyclization of 4-(γ-oxoalkyl)semicarbazide hydrazones: 7-membered versus 14-membered cyclic semicarbazones formation

Author:
Fesenko, Anastasia A.,   et al.   ; Shutalev, Anatoly D.;     Show all 2 Author
Source:
Tetrahedron 2015 v.71 pp. 9528-9543
ISSN:
0040-4020
Subject:
carbamates; chemical reactions; chemical structure; hydrazine; semicarbazones; sodium
Abstract:
... Acid-catalyzed cyclization of 4-(γ-oxoalkyl)semicarbazide hydrazones has been studied. 7-Membered cyclic semicarbazones, 2,4,5,6-tetrahydro-3H-1,2,4-triazepin-3-ones, were obtained from the γ-phenyl-substituted semicarbazides, while the cyclization of the γ-methyl-substituted semicarbazides involved two molecules of the starting material to result in 14-membered cyclic bis-semicarbazones, 1,2,4,8, ...
DOI:
10.1016/j.tet.2015.10.079

12. Biomarkers in infection and sepsis: Can they really indicate final outcome?

Author:
Kotanidou, Anastasia,   et al.   ; Tziolos, Nikolaos; Orfanos, Stylianos E.;     Show all 3 Authors
Source:
International journal of antimicrobial agents 2015 v.46 pp. S29
ISSN:
0924-8579
Subject:
antibiotics; biomarkers; blood sampling; cost effectiveness; early diagnosis; hospitals; infectious diseases; mortality; prognosis; sepsis (infection)
Abstract:
... Infectious diseases are among the most common reasons for admission to hospital and can easily lead to sepsis. Sepsis is globally associated with increased mortality, and although biomarkers could help clinicians in the early diagnosis of sepsis and immediate onset of antibiotics, there are always questions to be answered about their usefulness in the prognosis of infectious diseases. This article ...
DOI:
10.1016/j.ijantimicag.2015.10.010

13. Knockout of GH3 genes in the moss Physcomitrella patens leads to increased IAA levels at elevated temperature and in darkness

Author:
Gabrielyan, Anastasia,   et al.   ; Mittag, Jennifer; Ludwig-Müller, Jutta;     Show all 3 Authors
Source:
Plant physiology and biochemistry 2015 v.97 pp. 339-349
ISSN:
0981-9428
Subject:
Physcomitrella patens; amino acids; beta-glucuronidase; chlorophyll; environmental factors; genes; indole acetic acid; ligases; mosses and liverworts; mutants; phenotype; proteins; soybeans; temperature
Abstract:
... Two proteins of the GRETCHEN HAGEN3 (GH3) family of acyl acid amido synthetases from the moss Physcomitrella patens conjugate indole-3-acetic acid (IAA) to a series of amino acids. The possible function of altered auxin levels in the moss in response to two different growth perturbations, elevated temperatures and darkness, was analyzed using a) the recently described double knockout lines in both ...
DOI:
10.1016/j.plaphy.2015.10.013

14. The emergency of Euphorbia tirucalli as drought feeds for camels in northern Kenya

Author:
Kagunyu, Anastasia Felisitas,   et al.   ; Wanjohi, Joseph G.;     Show all 2 Author
Source:
Pastoralism 2015 v.5 no.1 pp. 17
ISSN:
2041-7136
Subject:
Euphorbia tirucalli; camels; drought; farms; feeds; harvesting; interviews; livestock production; prices; Kenya
Abstract:
... This study took place in Isiolo County in northern Kenya among the Borana community, whose major economic activity is livestock production. The County is characterized by droughts which have increased in frequency and severity. This study sought to investigate the availability of camel drought feeds in the study site, guided by two specific objectives: to establish the existence of supplementary f ...
DOI:
10.1186/s13570-015-0038-5

15. Dynamics of moisture diffusivity in solid triacylglycerol matrices

Author:
Purgianto, Anastasia,   et al.   ; Duong, Quynh; Maleky, Farnaz;     Show all 3 Authors
Source:
Food research international 2015 v.75 pp. 131-139
ISSN:
0963-9969
Subject:
crystallization; diffusivity; emulsifiers; fatty acid composition; light microscopy; long chain saturated fatty acids; permeability; polarized light; triacylglycerols
Abstract:
... The effects of lipid formulation in combination with two crystallization conditions, shearing and non-shearing, on the mechanism of water diffusivity were investigated. Five formulations of lipid which varied in fatty acid compositions, solid fat particles, and emulsifier levels were assessed at 5, 20, and 30°C. Polarized light microscopy was used to study microstructural properties of the samples ...
DOI:
10.1016/j.foodres.2015.05.042

16. The core microbiome bonds the Alpine bog vegetation to a transkingdom metacommunity

Author:
Bragina, Anastasia,   et al.   ; Berg, Christian; Berg, Gabriele;     Show all 3 Authors
Source:
Molecular ecology 2015 v.24 no.18 pp. 4795-4807
ISSN:
0962-1083
Subject:
Bryopsida; Burkholderia; Sphagnum; Verrucomicrobium; bioinformatics; bogs; carbon; ecosystems; host plants; keystone species; lichens; microbial communities; microbiome; microorganisms; mosses and liverworts; phylogeny; plant communities; ribosomal DNA; vascular plants; vegetation; Austria
Abstract:
... Bog ecosystems fulfil important functions in Earth's carbon and water turnover. While plant communities and their keystone species Sphagnum have been well studied, less is known about the microbial communities associated with them. To study our hypothesis that bog plants share an essential core of their microbiome despite their different phylogenetic origins, we analysed four plant community plots ...
DOI:
10.1111/mec.13342

17. Characterization and application of a novel class II thermophilic peroxidase from Myceliophthora thermophila in biosynthesis of polycatechol

Author:
Zerva, Anastasia,   et al.   ; Christakopoulos, Paul; Topakas, Evangelos;     Show all 3 Authors
Source:
Enzyme and microbial technology 2015 v.75-76 pp. 49-56
ISSN:
0141-0229
Subject:
thermal stability; alcohol oxidase; biosynthesis; substrate specificity; Komagataella pastoris; hydrogen peroxide; DNA; polymerization; Myceliophthora thermophila; yeasts; thermophilic fungi; catechol; temperature; enzyme activity; peroxidase
Abstract:
... A peroxidase from the thermophilic fungus Myceliophthora thermophila that belongs to ascomycete Class II based on PeroxiBase classification was functionally expressed in methylotrophic yeast Pichia pastoris. The putative peroxidase from the genomic DNA was successfully cloned in P. pastoris X-33 under the transcriptional control of the alcohol oxidase (AOX1) promoter. The heterologous production w ...
DOI:
10.1016/j.enzmictec.2015.04.012

18. Rhizopus Species from Fresh Tempeh Collected from Several Regions in Indonesia

Author:
Hartanti, Anastasia Tatik,   et al.   ; Rahayu, Gayuh; Hidayat, Iman;     Show all 3 Authors
Source:
Hayati: Journal of Biosciences 2015 v.22 no.3 pp. 136-142
ISSN:
1978-3019
Subject:
Rhizopus; internal transcribed spacers; phylogeny; physiology; ribosomal DNA; taxonomy; tempeh; transcription (genetics); Indonesia
Abstract:
... Recent changes in taxonomy of Rhizopus, which are now heavily relying on molecular approach, create significant problem in assigning species name to particular Rhizopus strains isolated from various sources, including tempeh. The present study aims to determine 36 strains of Rhizopus from tempeh originated from 26 locations in Indonesia, using combination of molecular phylogenetic analysis based o ...
DOI:
10.1016/j.hjb.2015.10.004

19. The consequences of parental age for development, body mass and resistance to stress in the red flour beetle

Author:
Nowizki, Anastasia,   et al.   ; Halle, Snir; Scharf, Inon;     Show all 3 Authors
Source:
Biological journal of the Linnean Society 2015 v.115 no.2 pp. 305-314
ISSN:
0024-4066
Subject:
Tribolium castaneum; adulthood; animals; cold stress; cold tolerance; heat tolerance; ontogeny; parents; progeny; starvation; stress tolerance
Abstract:
... The performance of most animals deteriorates with age. Motivated by the inconsistency in the literature regarding the effect of parental age on offspring traits and performance, we studied how parental age affects offspring development time, body mass, and starvation and cold tolerance in the red flour beetle (Tribolium castaneum). Offspring of old parents pupated later and at a higher body mass, ...
DOI:
10.1111/bij.12501

20. A Review of the Process-Induced Changes in the Phytochemical Content of Cereal Grains: The Breadmaking Process

Author:
Ktenioudaki, Anastasia,   et al.   ; Alvarez-Jubete, Laura; Gallagher, Eimear;     Show all 3 Authors
Source:
Critical reviews in food science and nutrition 2015 v.55 no.5 pp. 611-619
ISSN:
1549-7852
Subject:
bioactive properties; breadmaking; dietary fiber; human health; human nutrition; humans; milling; nutrition science; phytochemicals; small cereal grains; vegetables; whole grain foods
Abstract:
... The importance of cereal grains in human nutrition is well documented. Especially the impact of whole grains consumption on human health has attracted much attention over the last decades. The health benefits are associated with the high content of cereal grains in dietary fiber but also recent research has shown that cereal grains are rich in bioactive compounds, which are unique in composition a ...
DOI:
10.1080/10408398.2012.667848