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Fundamental Factors Affecting Enzyma...

Yu, Zhiying.

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Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass./
作者:	Yu, Zhiying.
面頁冊數:	214 p.
附註:	Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.
Contained By:	Dissertation Abstracts International75-03B(E).
標題:	Forestry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3575884
ISBN:	9781303548758

Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass.
Yu, Zhiying.

Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass. - 214 p.

Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.

Thesis (Ph.D.)--North Carolina State University, 2013.

This item must not be sold to any third party vendors.

The objective of this research is to understand the fundamental factors from lignocellulosic biomass and enzymes that affect the bioconversion of biomass to fermentable sugars via enzymatic hydrolysis. This work decoupled various factors, and obtained a significant progress in understanding the recalcitrance of lignocellulose with a focus on two major factors: lignin and biomass-enzyme interactions.

ISBN: 9781303548758Subjects--Topical Terms:

895157
Forestry.

Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass.
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245 1 0 $a Fundamental Factors Affecting Enzymatic Hydrolysis of Lignocellulosic Biomass.
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500 $a Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.
500 $a Adviser: Hasan Jameel.
502 $a Thesis (Ph.D.)--North Carolina State University, 2013.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a The objective of this research is to understand the fundamental factors from lignocellulosic biomass and enzymes that affect the bioconversion of biomass to fermentable sugars via enzymatic hydrolysis. This work decoupled various factors, and obtained a significant progress in understanding the recalcitrance of lignocellulose with a focus on two major factors: lignin and biomass-enzyme interactions.
520 $a Lignin has a critical adverse impact on enzymatic hydrolysis by non-productive adsorption and physical barrier, especially for softwood lignin. The greater degree of condensation of softwood lignin, which has stronger interaction with enzymes, is considered to be a reason for the more recalcitrant nature of softwood than that of hardwood. However, the impact of lignin on enzymatic hydrolysis can be significantly descended when the lignin content of biomass was reduced to less than 15%, where the critical physical barrier of lignin is removed and sufficient surface area of carbohydrate is accessible to enzymes.
520 $a The biomass-enzyme interaction is another important concern determining the efficiency of enzymatic hydrolysis. During enzymatic hydrolysis, the bound enzymes are primarily responsible for enzymatic hydrolysis, while the free enzymes have very limited activity on hydrolyzing carbohydrates due to the loss of synergism effect. Although bound enzymes are generally favorable for enzymatic hydrolysis, the accumulation of those irreversibly bound enzymes which have little activities could block the accessible surface area of cellulose, thus result in a severe decrease of cellulose digestibility.
590 $a School code: 0155.
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