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Team:St Pauls London/Human Practices
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The school team is aiming to create a semi-quantitative detector for lactose, a sugar molecule which causes intolerance in 9% Caucasians, and between 70-90% in Asians, South Americans and Africans. It is most commonly found in milk and dairy products and intolerance has been linked to recent over consumption of milk and dairy, particularly in Europe and North America. | The school team is aiming to create a semi-quantitative detector for lactose, a sugar molecule which causes intolerance in 9% Caucasians, and between 70-90% in Asians, South Americans and Africans. It is most commonly found in milk and dairy products and intolerance has been linked to recent over consumption of milk and dairy, particularly in Europe and North America. | ||
Revision as of 12:14, 7 June 2013
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Human Practices
The Project's Impact
The school team is aiming to create a semi-quantitative detector for lactose, a sugar molecule which causes intolerance in 9% Caucasians, and between 70-90% in Asians, South Americans and Africans. It is most commonly found in milk and dairy products and intolerance has been linked to recent over consumption of milk and dairy, particularly in Europe and North America.
Individuals who are lactose intolerant have an insufficient lactase concentrations in their digestive tract; so they are unable to hydrolyse lactose into galactose and glucose. As a result these disaccharide lactose molecules pass straight through the small intestine and into the colon. Bacteria in the colon can hydrolyse and then metabolise lactose and their anaerobic respiration of lactose produces CO2 and CH2 in the colon. This leads to the bloated feeling and symptoms associated with intolerance. Unabsorbed glucose and galactose monosaccharides in the colon also reduce water potential in the colon leading to an influx of water and hence diarrhea. You can read more about lactose intolerance from the [http://www.milk.co.uk/page.aspx?intPageID=59| UK Dairy Council].
We hope to go some way to fix this problem but providing the mechanism for a lactose detector. This should enable lactose intolerants to better decide what food produce to eat and help them avoid painful symptoms of intolerance. Furthermore the semi-quantitative nature of the project should enable people with a range of different tolerance levels to be catered for by the sensor; so individuals with higher lactose tolerance can eat more lactose rich food, but individuals with low tolerance can avoid it altogether. Our hope is that this detector may be used in laboratory setting by food manufacturers to test and correctly label produce for consumers - this will help to properly inform the public and allow them to make better health choices.
Outreach and informing people
The team presented our project at the second annual [http://www.stpaulsschool.org.uk/news/academic-news/anglo-japanese-international-science-conference Anglo-Japanese Science Conference for Students] at St Paul's School in March. There were schools from around London and the UK, several Japanese Schools and a German School in attendance. The conference was designed to raise awareness about different scientific projects that school students were doing; the team did a 15 minute presentation on our progress and plans and we took questions from the audience afterwards. For the vast majority of the students this was the first that had heard of the iGEM competition and many people fielded questions about the project and how they might be able to compete in the future at school or university level.
The schools in attendance were:
Germany Otto von Taube Gymnasium
Japan Gojo Senior High School Handa Senior High School Ichinomiya High School Jishukan High School Koh High School Meiwa Senior High School Okazaki-kita Senior High School Seisho Senior High School Toyohashi Higashi Senior High School Toyota Nishi Senior High School Yokosuka High School Yutakagaoka High school Zuiryo Senior High School
United Kingdom Hammersmith Academy King’s School Canterbury Latymer Upper School Radley College Simon Langton Grammar School St Paul’s School St Paul’s Girls’ School Westminster School William Morris Sixth Form
