Volume 16, Issue 4 (2016) | OnLine Journal of Biological Sciences

Effect of Serial Passaging on the Morphology and Biological Characteristics of Human Adipose Tissue-derived Stem Cells

Lenka Oravcova — 2016-12-17

OnLine Journal of Biological Sciences, Published online: 17 December 2016; doi:10.3844/ojbsci.2016.145.151

Somatic stem cells posses an exclusive property of self regeneration and plasticity which makes them promising candidates for use in tissue engineering and regenerative medicine. In the case of stem c...

Sperm DNA Fragmentation and Apoptosis Levels: A Comparison of the Swim up and the Density Gradient Centrifugation Methods for Sperm Preparation

Silvia W. Lestari — 2016-11-14

OnLine Journal of Biological Sciences, Published online: 14 November 2016; doi:10.3844/ojbsci.2016.152.158

This study investigated the efficiency of two sperm preparation methods, namely, density gradient centrifugation and the swim-up method, in selecting spermatozoa based on the DNA fragmentation index a...

Effect of Complete Feed Silage Made from Agricultural Waste on Milk Yield and Quality of Dairy Cows

Ambo Ako — 2016-11-17

OnLine Journal of Biological Sciences, Published online: 17 November 2016; doi:10.3844/ojbsci.2016.159.164

The problem facing dairy cow producers in tropical area is the low availability of proper nutrition, especially during the dry season. One solution to overcome this problem is to utilize technology of...

Development of an Immunomagnetic Separation Method for Viable Salmonella Typhimurium Detected by Flow Cytometry

Shakil Ahmed — 2016-11-25

OnLine Journal of Biological Sciences, Published online: 25 November 2016; doi:10.3844/ojbsci.2016.165.174

A very small number of bacterial pathogens may have fatal effects on food safety. In spite of having great advancements in bioanalytical methods, most of the accepted detection methods are still culti...

Frequency of Single Nucleotide Polymorphisms of the SLCO1B1 Gene in Slavic Population of Central Europe

Michaela Mikulová — 2016-12-11

OnLine Journal of Biological Sciences, Published online: 11 December 2016; doi:10.3844/ojbsci.2016.175.183

The organic anion transporting polypeptide 1B1 (encoded by SLCO1B1 gene) is involved in the active cellular influx of diverse endogenous compounds and several drugs, such as HMG-CoA reductase inhibito...

Severe and Fatal Influenza Cases in Russia in 2014-2015

Svetlana V. Svyatchenko — 2016-12-24

OnLine Journal of Biological Sciences, Published online: 24 December 2016; doi:10.3844/ojbsci.2016.184.192

This paper aims to characterize herd immunity of the population inhabiting Asian part of Russia before influenza epidemic and to describe influenza viruses isolated from severe cases including cases w...

A State of PSI and PSII Photochemistry of Sunflower Yellow-Green Plastome Mutant

Maksim S. Makarenko — 2016-12-29

OnLine Journal of Biological Sciences, Published online: 29 December 2016; doi:10.3844/ojbsci.2016.193.198

Chlorophyll deficient mutants are appropriate model objects for a large number of investigations in the field of photosynthesis. In this study, we identified a state of Photosystem I (PSI) and Photosy...