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Category Archives: Biotechnology

Comparative study of sulfite pretreatments for robust enzymatic saccharification of corn cob residue

Background:
Corn cob residue (CCR) is a kind of waste lignocellulosic material with enormous potential for bioethanol production. The moderated sulphite processes were used to enhance the hydrophily of the material by sulfonation and hydrolysis. The composition, FT-IR spectra, and conductometric titrations of the pretreated materials were measured to characterize variations of the CCR in different sulfite pretreated environments. And the objective of this study is to compare the saccharification rate and yield of the samples caused by these variations.
Results:
It was found that the lignin in the CCR (43.2%) had reduced to 37.8%, 38.0%, 35.9%, and 35.5% after the sulfite pretreatment in neutral, acidic, alkaline, and ethanol environments, respectively. The sulfite pretreatments enhanced the glucose yield of the CCR. Moreover, the ethanol sulfite sample had the highest glucose yield (81.2%, based on the cellulose in the treated sample) among the saccharification samples, which was over 10% higher than that of the raw material (70.6%). More sulfonic groups and weak acid groups were produced during the sulfite pretreatments. Meanwhile, the ethanol sulfite treated sample had the highest sulfonic group (0.103 mmol/g) and weak acid groups (1.85 mmol/g) in all sulfite treated samples. In FT-IR spectra, the variation of bands at 1168 and 1190 cm-1 confirmed lignin sulfonation during sulfite pretreatment. The disappearance of the band at 1458 cm-1 implied the methoxyl on lignin had been removed during the sulfite pretreatments.
Conclusions:
It can be concluded that the lignin in the CCR can be degraded and sulfonated during the sulfite pretreatments. The pretreatments improve the hydrophility of the samples because of the increase in sulfonic group and weak acid groups, which enhances the glucose yield of the material. The ethanol sulfite pretreatment is the best method for lignin removal and with the highest glucose yield.Source:
http://www.biotechnologyforbiofuels.com/content/5/1/87

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Top trends for Biotechnology

Biotechnology simply means to develop or to make useful products with the help of using living systems. Over the years mankind has used biotechnology in several sectors like agriculture, food production and medicine. There are several sectors in which biotechnology can affect severely.

Biotech for human enhancement is the most profitable industry in the 21st century. Careers are influenced by genetic heritage. It is said that by 2020 people will be able to decipher human genome

Which is nothing but the blueprint of our DNA? One of the trends is towards the genetic solutions to the ills. There are several newly discovered drugs will save countless no of lives. These drugs can also eliminate many diseases. A lot of research works have been done on the recent trends for biotechnology. Research output continues to shift to ASIA. The current trends in biotechnology are its association with pharmacy. It is said that within few more years people will be able to turn on or turn off certain genes which can influence on health and performance. People can eliminate unwanted characteristics by using altered genes from their babies. People can also enhance their babies’ capabilities by using the same method. There is different classification of biotechnology having different application of each. Like white or industrial biotechnology helps in the production of chemical base materials and end products. Red biotechnology means development of new medical drugs. Biotechnology is the driving factor behind many applications in medicine. Green or Plant biotechnology is used in production of plants which are renewable recourses. Biotechnology is integrated use of many biological technologies. It also has trends in horticulture. One of the emerging trends in Biotechnology have been observed and noted in recent years. One such trend is the trend in partnering and acquisition of deals. This is applicable to the business perspective towards the delivery and realization of more up to date by products. So basically there are a lot of sectors in which biotechnology can affect. But one of the most suitable choices is pharmaceutical sector. People are focusing more and more now days on the use of biotechnological products. There are a lot of independent biotechnology companies which deals directly with these biotechnological products. Biotechnology is used to develop commercial product also. Biotechnology becomes central priority of the government’s research policy to ensure a high standing of biosciences and to develop newer innovation techniques. At present there are 25 different initiatives to financially support universities, research institutes. They all are working like a chain having same common objectives. There is a healthy competition in between the companies which in turn increases the level of biotechnological products. The key element of this initiative is Biopharma competition. So it depends on the people how they utilize biotechnological products for their better interest.

Biotechnology is a technology which never goes opposite to the nature.

We have to improve the biotechnology with the help of nature. Now a days lots of course are based on Biotechnology in various colleges all over the world. It becomes popular to all the students also.

Source:
http://www.biotechblog.org/entry/top-trends-biotechnology/

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Biotech and the Hungry Planet:Neal Carter at TEDxPenticton – Video


Biotech and the Hungry Planet:Neal Carter at TEDxPenticton
Neal Carter is president and founder of Okanagan Specialty Fruits trade; (OSF), a biotechnology company specializing in the creation of novel tree fruit varieties. For nearly 30 years Neal has worked with numerous crops as a bioresource engineer around the globe and it was through this firsthand experience that Neal was persuaded that biotechnology can help agriculture meet ever-expanding global food demands and challenges. Carter #39;s goal is to develop safe, high-quality tree fruit cultivars that provide growers, processors, wholesalers, retailers, food service and consumers with improvements in quality and productivity. For TEDxPenticton 2012, "Agricultural biotechnology: saving lives, building communities and feeding the planet into the next century." In thespirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)From:TEDxTalksViews:254 19ratingsTime:12:51More inScience Technology

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BIOLOGICAL IMPLANTS Technology, biotechnology – Video


BIOLOGICAL IMPLANTS Technology, biotechnology
From:Anjali KalanViews:1 0ratingsTime:00:14More inScience Technology

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hERG SCREENING Technology, biotechnology, screening – Video


hERG SCREENING Technology, biotechnology, screening
Aarkstore.in announce 20% discount on this report Discount till 31st Dec. 2012 - hERG SCREENING | Technology, biotechnology, screeningFrom:Anjali KalanViews:0 0ratingsTime:00:13More inScience Technology

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hERG SCREENING Technology, biotechnology, screening - Video

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BIONANOTECHNOLOGY Technology, biotechnology – Video


BIONANOTECHNOLOGY Technology, biotechnology
From:Anjali KalanViews:0 0ratingsTime:00:15More inScience Technology

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BIONANOTECHNOLOGY Technology, biotechnology - Video

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