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Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus…
Yun Fei Diao, Kenji Naruse, Xiao Xia Li, Rong Xun Han, Dong Kyo Kim, Tao Lin, Dong II Jin
The current study was to investigate whether embryo or fetal fibroblast cells treated with 5-aza-2’-deoxyctidine (5-aza-dC) have a positive effect on the in vitro development of porcine parthenogenetic and cloned embryos. To this end, porcine fetal fibroblast…
Malgorzata Madej, Claus Hansen, Anders Johannisson, Andrzej Madej
The objectives of this study were to explore whether heparin-binding proteins, separated by fast protein liquid chromatography from boar seminal plasma influence the release of prostaglandins F 2 α , (PGF 2 α ), E 2 (PGE 2 ) and interleukin-6 (IL-6) by porcin…
Carmen López-Fernández, Stephen D. Johnston, Altea Gosálbez, Jose Luís Fernández, Juan G. Álvarez, Jaime Gosálvez
This was a prospective multicenter study aiming at comparing the efficiency of sperm selection by density gradient centrifugation (DGC) in reducing sperm DNA fragmentation (SDF) in different ART centers. The study was designed using 290 semen samples collecte…
Jaime Gosálvez, Beatriz Migueles, Carmen López-Fernández, Fernando Sanchéz-Martín, Pascual Sáchez-Martín
Sperm of poor quality may affect syngamy after fertilization, embryo development up to the blastocyst stage and reproductive outcome. Subsequently, sperm selection based on morphological characteristics and sperm DNA quality may help to partially avoid these…
David Augusto Reynalte-Tataje, Carolina Antonieta Lopes, Sunshine de Ávila-Simas, Juan Ramon Esquivel Garcia, Evoy Zaniboni-Filho
In captive conditions, most neotropical migratory species do not have the necessary incentive to complete gonadal maturation and spawning, which require induction techniques, usually with the use of hormones. Numerous studies have therefore focused on finding…
Marwah Thamer, Abdul Rahman Al-Kubaisi, Zahraa Zahraw, Hussam Aldin Abdullah, Iman Hindy, Ammar Abd Khadium
This study was conducted to identify the viability of Bacillus thuringiensis bacterial on a bio-degradation process for Kirkuk light crude oil. The viable count of Bacillus thuringiensis showed great capability on the biodegradation of crude oil. These bacter…
Araceli Martínez, Selena Gutiérrez, Mikhail A. Tlenkopatchev
The cross-metathesis degradation of poly(styrene-co-butadiene) (styrene, 30 wt%) (SB-1) and poly(styrene-co-butadiene) (styrene, 21 wt%) (SB- 2) in the presence of essential oils and d -limo-nene as chain transfer agents (CTAs) using Rualkylidene catalysts (P…
Afrah A. Maktoof
The alimentary canal contents of 360 Barbus luteus caught from MOD between January 2010 to December 2010 were examined. The phyto-plankton, zooplanktons, detritus, diatoms, insects and unidentified digestive food were identified in the alimentary canal of fis…
Nelson N. Chombong, Emmanuel C. Suh, Charles D. C. Ilouga
Banded Iron Formations (BIFs) were formed by contemporaneous events of active sediments supply and the venting of a hydrothermal fluid source at the Mid-Ocean-Ridge. BIFs within the Ntem Complex at the northern edge of the Congo Craton are intercalated with m…
Ivana Gritti
The cerebellum has been classically considered as the subcortical center for motor control. However, accumulating experimental evidence has revealed that it also plays an important role in cognition, for instance, in learning and memory, as well as in emotion…
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Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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