Biotechnology and bioengineering symposium最新文献

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Economical factors in the assessment of various cellulosic substances as chemical and energy resources. 评价各种纤维素物质作为化学和能源资源的经济因素。
A E Humphrey
{"title":"Economical factors in the assessment of various cellulosic substances as chemical and energy resources.","authors":"A E Humphrey","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Economic factors in the assessment of various cellulosic substances as chemical and energy resources are many and complex. No substrate nor conversion process can be singled out as significantly advantageous. Agricultural wastes appear to have the best volume and availability characteristics. If glucose is to be the end product, then it will probably have to compete with corn syrup. If SCP is to be the end product, then productivities of 2-4 g/liter-hr must be achieved and the protein demand be such that the product can sell for at least $225/ton. If alcohol is to be the end product, then an intermediate product stream of glucose and other sugars must be obtained for 1-3cent/lb of fermentable sugars.</p>","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"49-65"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12368126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enzymatic hydrolysis of cellulose to sugar. 纤维素酶水解成糖
A A Huang
{"title":"Enzymatic hydrolysis of cellulose to sugar.","authors":"A A Huang","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"245-52"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12413050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The prospects for fermentation alcohol from hydrolyzed cellulose. 水解纤维素发酵酒精的前景。
R K Finn
{"title":"The prospects for fermentation alcohol from hydrolyzed cellulose.","authors":"R K Finn","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"353-5"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12368123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physical and chemical constraints in the hydrolysis of cellulose and lignocellulosic materials. 纤维素和木质纤维素材料水解的物理和化学限制。
E B Cowling
{"title":"Physical and chemical constraints in the hydrolysis of cellulose and lignocellulosic materials.","authors":"E B Cowling","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"163-81"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12283107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sugar production from agricultural woody wastes by saccharification with Trichoderma viride cellulase. 用绿色木霉纤维素酶糖化农业木屑制糖。
N Toyama, K Ogawa
{"title":"Sugar production from agricultural woody wastes by saccharification with Trichoderma viride cellulase.","authors":"N Toyama,&nbsp;K Ogawa","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The saccharification of agricultural woody wastes was studied using a commercial enzyme preparation, Cellulase onozuka, derived from Trichoderma viride or the solid culture extracts of the fungus. With the intention of producing sugar at low cost, a simple procedure of enzymatic saccharification of rice straw, bagasse, and sawdust was studied. Delignifying methods of these wastes were investigated using dilute sodium hydroxide solution and dilute peracetic acid. Rice straw and bagasse were effectively delignified by boiling in a 1% sodium hydroxide solution for 3 hr or by autoclaving at 120 degrees C in a 1% sodium hydroxide solution for 1 hr. The sawdust from a broad leaved tree (Machilus thunbergii) was delignified by autoclaving at 120 degrees C in a 1% sodium hydroxide solution for 1 hr and by subsequent boiling in diluted 1/5 peracetic acid for 1 hr. This type of sawdust was also delignified by boiling in 1/5 peracetic acid for 1 hr and by subsequent autoclaving at 120 degrees C in a 1% sodium hydroxide solution for 1 hr. The sawdust from a coniferous tree (Cryptomeria japonica) was delignified by boiling in 1/5 peracetic acid for 1 hr and by subsequent autoclaving at 120 degrees C in a 1% sodium hydroxide solution for 1 hr; however, the successive treatment by autoclaving with alkali solution and subsequent boiling with diluted peracetic acid failed to bring about the desired effect. The saccharification of delignified rice straw, bagasse, and sawdust was examined using Cellulase onozuka, wheat bran or rice straw solid culture at various substrate concentrations, resulting in the formation of 5 to 10% sugar solutions after incubation at pH 5.0, 45 degrees C for 48 hr. The optimum substrate concentration existed at around 10%. Reuse of cellulase solution and resaccharification of residual sawdust were considered to be inadequate.</p>","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"225-44"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12413049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Process development studies on the enzymatic hydrolysis of cellulose. 纤维素酶解的工艺开发研究。
C R Wilke, G Mitra
{"title":"Process development studies on the enzymatic hydrolysis of cellulose.","authors":"C R Wilke,&nbsp;G Mitra","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"253-74"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12413051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogen peroxide and iron: a microbial cellulolytic system? 过氧化氢和铁:微生物纤维素分解系统?
J W Koenigs
{"title":"Hydrogen peroxide and iron: a microbial cellulolytic system?","authors":"J W Koenigs","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"151-9"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11225192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cellulose metabolism. 纤维素的新陈代谢。
R E Inman
{"title":"Cellulose metabolism.","authors":"R E Inman","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12368114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The process economics of enzymatic conversion of cellulose to glucose. 纤维素酶转化为葡萄糖的过程经济学。
D Brandt
{"title":"The process economics of enzymatic conversion of cellulose to glucose.","authors":"D Brandt","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"275-7"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12368119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microbial sources of cellulase. 纤维素酶的微生物来源。
M Mandels
{"title":"Microbial sources of cellulase.","authors":"M Mandels","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75601,"journal":{"name":"Biotechnology and bioengineering symposium","volume":" 5","pages":"81-105"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11225194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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