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Author : Alpheus Hyatt Verrill
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.34/5 ( download)
Download or read book The Ocean and Its Mysteries written by Alpheus Hyatt Verrill and published by . This book was released on 1917 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Silvestro
Publisher : Antonio Silvestro
ISBN 13 : 1074162366
Total Pages : 35 pages
Book Rating : 4.68/5 ( download)
Download or read book Biochemical analyses of the marine diatom Cyclotella cryptica grown under different nutritional condition for biotechnological applications written by Antonio Silvestro and published by Antonio Silvestro. This book was released on 2019-06-15 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research stimulated by curiosity brings out new pieces that make up the puzzle oflife and invention provides the tools to assemble and interpret it. The IndustrialRevolution of past centuries has brought innovations not accompanied by a farsightedvision of the consequences that are manifesting in this globalized twenty-firstcentury, particularly with an increase in energy demand and global warming. Theemerging biotechnology revolution, which applies technology to biological systems,could solve these problems without further deleterious effects if driven bysustainable development. Research and development institutes, subsidized bygovernments, are looking for renewable and sustainable energy resources that wouldreplace polluting fossil fuels nearly depleted.Recently the investigation of the marine microalgae's potential in biotechnologicalapplications is increasing by the realization that the ocean is a relatively untappedsource of energy biomass and novel biomolecules. Microalgae mainly represent thelast generation suitable feedstock for the transport sector, but due to theirbiochemical versatility are useful also for many others industrial fields such asmedical, pharmaceutical, food and cosmetic. Nowadays, biofuel production frommicroalgae biomass is still in progress; the efficiency of each step during the wholeprocess, from culturing to refining, needs to be improved to get yield economicallyreasonable. Coupling each other different industrial applications could lead toovercome the substantial investments with proper earnings making, hopefully in thenext future, this living energy source lucrative, therefore commercially feasible.In the last decades, researchers are focusing their attention on Diatoms, a taxon ofmicroalgae characterized by silica walls derived from secondary symbiotic event.Diatoms are affected by seasonal exponential growth called blooms that place themat the base of the oceans food chain, permit about 40% of atmospheric CO2 fixationand significant influence the biogeochemical cycle of the macronutrients: silicon(Si), nitrogen (N), phosphorus (P). This microalgae's group is a promising candidatefor biodiesel production because of their great lipid accumulation like reserve storagecompound mainly in the form of triacylglycerols (TAG), converted into biodieselthrough a reaction of trans-esterification.The aim of this thesis were the evaluation of the growth curves and biochemicalcomposition (lipids, carbohydrates and proteins) of the marine diatom CyclotellaCryptica grown in batch system by administering the average of the standard mediumf/2 daily or only the day of the inoculation. The growth curve were obtained bymonitoring daily the cellular density (cells/mL) with an optical microscope combinedwith a Bürker chamber. The biological macromolecules quantification, lipids,carbohydrates, and proteins were realized by Folch modified – MTBE, Dubois andLowry methods, respectively. Furthermore, the lipids composition werecharacterized both by Thin Layer Chromatography (TLC) and Nuclear MagneticResonance (NMR)-Eretic method.The results shows that the daily supply of the medium f/2 induce high cell density(2250000±77567 cells/mL) and biomass dry weight (1441.79±148.35 mg/L) thatmainly consist of proteins (88%) and lipid fraction is predominantly composed byphospholipids (PL). Conversely, administering the medium f/2 only the first day letthe diatoms in a starvation condition defined by a little cell density (192222 ± 26851)and biomass dry weight (205.90±22.24 mg/L) with a significant increase in therelative amount of storage compounds: carbohydrates (19%) and lipid (33%)predominantly in form of triacylglycerols (TAG).Typically, microalgae are growth at first in laboratories under strict controlledcondition in closed photobioreactors and then transferred to open-pounds for largescaleproduction.
Author : Jasna Jackson
Publisher : Author House
ISBN 13 : 147727006X
Total Pages : 479 pages
Book Rating : 4.66/5 ( download)
Download or read book When Grown Ups Cry written by Jasna Jackson and published by Author House. This book was released on 2012-09-21 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Yoyo was interesting because she was always having a lot of secrets and she never shared them, sometimes maybe with anyone. She felt that if she will talk about it those words and things will disappear so she rather was just listening and observing and was quiet. " The book is about a growing up girl. She was adopted and she sees things a bit different and since she was little, she loves the stars the most. First she saw them on the sky at night than as people too.
Author : George Frederick Mitchell
Publisher :
ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.49/5 ( download)
Download or read book Home-grown Tea written by George Frederick Mitchell and published by . This book was released on 1908 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 690 pages
Book Rating : 4.11/5 ( download)
Download or read book The Navy and Merchant Marine written by and published by . This book was released on 1917 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mary Mapes Dodge
Publisher :
ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.77/5 ( download)
Download or read book St. Nicholas written by Mary Mapes Dodge and published by . This book was released on 1905 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1034 pages
Book Rating : 4.86/5 ( download)
Download or read book The Lawyers Reports Annotated, Book 1-70 written by and published by . This book was released on 1901 with total page 1034 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher Parkinson Brooks
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.24/5 ( download)
Download or read book Cotton written by Christopher Parkinson Brooks and published by . This book was released on 1898 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Gubbay
Publisher : Springer Science & Business Media
ISBN 13 : 9401105278
Total Pages : 250 pages
Book Rating : 4.79/5 ( download)
Download or read book Marine Protected Areas written by S. Gubbay and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine protected areas (MPAs) have an important role in marine conserva tion programmes around the world. Although most have been established relatively recently when compared with protected areas on land, there is considerable expertise on their identification, setting up and management. Some techniques have been adapted from those used on land. Others are novel, and unique to marine conservation. The chapters in this book give an insight into this fast developing field where experiment and innovation work alongside techniques which have been tried and tested. The guiding princi ples behind key stages in the setting up and management of MP As are described, and case studies illustrate how they have worked. While it is most encouraging to read about the successes, the case studies also point to difficulties which have been encountered. Not all of the examples are new or recent but, together, they illustrate what is happening in this field.
Author : Sir Norman Lockyer
Publisher :
ISBN 13 :
Total Pages : 942 pages
Book Rating : 4.66/5 ( download)
Download or read book Nature written by Sir Norman Lockyer and published by . This book was released on 1915 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt:
