Team:Valencia UPV/Integrated Human

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Index

Introduction

Wellcome to integrated human practices webpage. Here we will show you what we have done in human practices, how we have done to integrate it in Printeria and why this part deserves the gold medal check.

Kano model. An engineering way to integrate feedback.
Expert dialoge. How experts point of view changed the way we did Printeria.
Safety desing. How safety specifications changed Printeria

Kano Model

Kano model is used to understand the importance of functions or features to a customer [1]. We have used it to improve Printeria and we want it to be a guide for future iGEM teams, thats why we are going to present our work as a example of use.

Kano model is made up of three stages:

  1. Pick up the user's voice

    In this phase you have present your project to an audience and then you ask for criticisms or improvements. We did it in the Mustang Art Gallety (MAG) in Elche (Alicante). At the end of the demostration we gathered all the students and teachers and we asked them for demands, improvements or criticisms.

  2. Create your paired questions quiz

    With those demands that we will call necessities you have to make a cuestionaire based on paired cuestions. This questions have the next grammar: ¿How do you feel if (a necessity exists in your device)? and ¿How do you feel if (that necessity did no existed in your device)?. As you can observe, it is the same necessity but expresed positively or negatively. Check aout our questionnaire to see an example:

  3. Clasify your demands

    Once you have all the asnwers, you have to complete a series of tables to conclude if that necessity is really important or not. If it is, you should include it in your design because that will increase the satisfaction of the user. If it is not, do not waste time and money implementing something no one will appreciate!

Study case: Kano model in Printeria

When using Kano model you can join public engagement with integrated human. Taking advantage of the fact that we went to MAG (Mustang Art Gallery) in Elche (Alicante) to present our project in front of students and teachers, we decided to demand feedback. The most important necessities were included in the cuestionaire we described above, and then we send it to the students and teachers who went to fill it. The cuestionnaire and the results are avaliable by clicking in the botton "cuestionnaire".

Once we had the answers (more than 20 to be representative), we filled the different tables Kano model is composed to obtain the results desired. Here you can download the document with the tables and what is most important, the conclusions extracted:

Overall conclusions

Last but not least, a table summing why Kano model is important and should be implemented in future iGEM projects.

Kano model is an strong tool to include feedback in your project

Kano model rank needs by customer/user satisfaction

Kano model prevents wasting money and time implementing unnecesary needs

Kano model allows you to join public engagement and integrated practices

Kano model allows you to explain why something was designed or not

Expert feedback

A very good way to enrich the project through feed-back is to do so by consulting experts in the field of study as has been done previously in iGEM. Their opinion is really relevant because of the reputation that precedes them, and that adds value to the product.

That is why we have decided to contact renowned artists and sciencists from the world of Bio-Art and biotecnology to present them our project and seek advice. Next section describe who we have reached out and how their opinions have changed Printeria.

María Peñil & Mehmet Berkmen

Image 1. Maria Peñil and Mehmet Berkmen in Boston NEB laboratories.

  • María Peñil Cobo is a Spanish mixed media artist born in San Vicente de la Barquera. She studied fine arts and has a master in art education. To do her masterpieces she works with natural media like bacteria.

  • Dr. Mehmet Berkmen is a Turkish-born international microbiologist. Nowadays he is a Senior sciencist at NEB working on genetically engineering bacteria to produce proteins.

    • As you can see above María Peñil and Mehmet Berkmen are coworkers in NEB biolabs Boston. Together, they are dedicated to making bio-art with bacteria grown in agar, which fascinated us. They are what printeria represents, art and science connected, so we wanted to contact them and expose our project as well as ask for advice. The results of the interview can be seen in this document:

    Interview conclusions were:

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    Mojica

    Image 2.Mojica and Carolina in Carolina's house (Elche).

    Dr. Francisco Juan Martínez Mojicais a microbiologist, researcher and professor at the University of Alicante. He is the discoverer of the CRISPR-Cas technology whose application would later be researched by Emmanuelle Charpentier and Jennifer Doudna among others.

    In Spain, he is one of the most reputable researchers and as such, his opinion and advice are worth their price in gold. Mojica accepted our invitation for a personal interview in which we would present the project and ask her for advice. The interview was carried out by Carolina Ropero, member of the Printeria team. In the following button you will be able to read the whole interview:

    Interview conclusions were:

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    José María Yturralde

    Image 3.Yturralde with Priteria team.

    Yturralde has a bachelor's degree and a doctorate in fine arts awarded by the Politechnic University of Valencia (UPV).Futhermore he has been researcher in MIT among other great things. Between 1968 and 1973 he developed his work "Impossible figures". These figures are really interesting because they show us how our space perception works, they seem coherent at first glance but when you observe them in more detail you see there are inconsistent details.

    To prove Printerias power in bioart we decided to do one of those figures (which you can see in Public engagement) website and an interview to get some expert feedback from him. Here you can see the full interview we did:

    Interview conclusions were:

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    Ryan Fobel

    Image 4.Ryan Fobel.

    Ryan Fobel is CEO of Sci-Botslocated in Toronto (Canada). He is also doctor of philosophy and medical biophysics.

    Descripción marc: Cómo conociste a Ryan, de que hablabais, como nos ha ayudados con el amterial de que ahcen y porqué nos llevó a hacer la entrevista.

    Conclusions of the talks:

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    • Conclusion 1 (algo breve tipo: NO usar Vibrio en Printeria) + Explicación de como se ha integrado en Printeria : Nos advirtio de esto porque tacatá y entonces hemos implementado en Printeria esto.

    Ana & Miriam

    Image 5. Skype with Miriam (left) and Ana (right)

    Ana Pastor and Miriam are 2 Spanish artists from Alicante, who are really involved in mixing science and art in their pieces of artwork. Ana creates her pieces of art by using her own blood, either lyophilized or even painting with it, while Miriam is working with urban vegetation. So, what will they think about Printeria? Will they find it useful?

    Interview conclusions were:

    • Science and art should start walking in the same pathway. It is very important for all different disciplines to start hybridizing. Scientists should count a little bit more one creative people to give a fresh and a different point of view.

    • Ana is always into trying new things so she would love to use Printeria so that she can experience the idea of working with microorganisms.

    • Printeria should think about working out of the petri dish. Not just using colourful bacteria for painting but trying to mix them with different compounds. Or even, in the future, for synthesizing fibres or even textiles out of bacteria.

    • Printeria could be sold not as a product for our daily lives but for science schools or even to institutions that do fab lab. So, if anyone wants to use Printeria for an art project, you just go to some of these institutions, you pay a fee and you can use it for a given amount of time.

    Safety design

    Paris-Bettencourt 2012 team was right when they said in their page "How safe is safe enough?": “Biosafety is an exciting design challenge, an essential enabling technology for synthetic biology, and a fundamental ethical obligation of all bioengineers”.

    This sentence describes perfectly what we did with printeria. Printeria was designed to ensure safety for all audiences. In the next table you can se diferent safety problems we saw and how we solved them.

    Safety Problem

    Solution

    Sterilization of the PCB

    How do we clean the PCB without damaging the metalic and plastic components. Well, we decided to copy what flow cabins do. Based on this we decided to use UV led lights to achieve this objective. Furthermore we have programmed an especial reaction that use little droplets with HCl and ethanol to clean and ensure we have perfectly sterilized the PCB.

    Sterilization of the microfluidic tubes

    The reaction fluid is going to pass through microfluidic tubes and it will contaminate them, to reverse this situation we will use the same special program wich usses droplets with ethanol and HCl.

    Protection of the user

    We want the user to see what is happening inside Printeria but also we want them to be protected if something wrong happens inside. Thats why we thought that a metacrilate box that cover the machines would be a nice option. Besides, it is useful to pin up the elements whicht will be part of Printera.

    Overheating of the PCB

    As the PCB has a cold and a hot zone, it is necessary to evacuate the heat generated. The hot zone can achieve more than 80º degrees and can be a potencial danger. A resisitance is responsible of heating and a peltier plate is responsible of chilling. Peltier effect is based in a semiconductor metal where you apply a potential difference. Then, you create a hot part and a cold one in that semiconductor. We use the cold part to extract the energy and stabilize the temperature via conduction of the PCB's hot zone.

    Ventilation

    The peltier plate is responsible of chilling the PCB but ¿How do we evacuate all the energy generated? Well, the answer is simple, Printeria just needed ventilation holes and watercooling to do it. Watercooling is based in the higher termic capacity of fluids (water in this case) to absorb energy. Water is pumped through microfluidic tubes to reach the peltier and chill it.

    Electroporator

    This device is capable to reach hig voltages, so if you require one of these in your design first of all, ensure no one can harm himself/herself. This is the reason why we designed our own electroporator in a dedicated and compacted printed circuit to isolate it from any exposure. It can reach until 1600V, which is not a joke.

    Tips

    Tips which go in the revolver wheel are disposable to ensure the purity of each reaction.

    A science without ethics is cruel, and an ethics without science is empty. Ethics become really important when a project is being thought. For this reason we wanted to pass the UPV (Universitat Politècnica de València) ethics committee. Here you can download the document we send them to approve and the positive veredict of the committee.

    References

    1. TERNINKO, J. (1997). Step-by-Step QFD, Customer-Driven Product Design, Second edition. USA: St . Lucie Press.

    2. Olson,D. (2014) “Kano Model Priorization” .[Consulted: 10/8/2018]

    3. Youtube, “Aplicación del modelo Kano-Caso práctico Excel” en Youtube [Consulted: 10/8/2018]

    CONTACT US igem.upv.2018@gmail.com

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