chemistry

Sandra Pascoe Ortiz

Sandra Pascoe Ortiz is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sandra Pascoe Ortiz rather than just read about it. In short: Sandra Pascoe Ortiz is a Mexican researcher and chemical engineer. She is a faculty member at the Universidad del Valle de Atemajac in Zapopan.

Key takeaways

Sandra Pascoe Ortiz belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sandra Pascoe Ortiz to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sandra Pascoe Ortiz from memory before moving on to harder problems.

Reference excerpt

Sandra Pascoe Ortiz is a Mexican researcher and chemical engineer. She is a faculty member at the Universidad del Valle de Atemajac in Zapopan. Ortiz is known for developing a non-toxic, renewable, and biodegradable plastic alternative made from cactus juice.

Education and career Ortiz finished Engineering from the University of Guadalajara in August 1995. She obtained a degree in biotechnology from the same university in August 1999. She began teaching at the Universidad del Valle de Atemajac in January 2002. In January 2011, she was promoted as a research professor and has been working on sustainable development and innovation projects since.

Eco-friendly plastic alternative In 2013, Ortiz began researching on using nopal cactus as a base for plastic with a few students. There was a lack of support from the international community—thereby an insufficiency with equipment, materials and interest from fellow scientists—so the study was eventually abandoned. She later continued the project with a new set of students. Ortiz found out that the cactus is composed of the same sugars and gums that make up the creation of biopolymer substances, which are the building blocks of plastic itself. They initially used the most common cactus variety in Mexican cuisine: opuntia ficus indica, and then switched to opuntia megacantha. The juice of the cactus is extracted and mixed with glycerine, proteins, natural waxes and colorants; then it is laminated and left to dry. The finished product is very malleable, leaving Ortiz to extend the research to the manufacture of a wider range of products. Unlike the manufacture of plastic, the process does not require crude oil, as its mining has caused much flak from environmentalists. It is also carbon neutral, as the carbon it emitted upon degradation is equal to what it took in upon its growth. The bioplastic made from prickly pear cactus is renewable—as few leaves are taken from the plant thereby allowing it to regenerate, rather than regrow from seed to adulthood like most upon utilization. It is also non-toxic and safe to ingest both for animals and humans alike. The bioplastic degrades after 2–3 months and 7 days if immersed in water. The process is done exclusively in Ortiz's lab. She is experimenting with 300 species of nopal plant native in Mexico and is exploring the use of cactus in toys, bags, and other plastic products for wide-scale commercial use.

References

Worked examples

Example 1 — a first encounter with Sandra Pascoe Ortiz

Start with the simplest possible case. Write down what Sandra Pascoe Ortiz claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sandra Pascoe Ortiz before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sandra Pascoe Ortiz ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sandra Pascoe Ortiz

In research: Sandra Pascoe Ortiz appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sandra Pascoe Ortiz in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sandra Pascoe Ortiz is common in secondary-school and first-year university syllabi. It links to neighbouring topics 21st-century Mexican women scientists, Living people, Mexican chemical engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Sandra Pascoe Ortiz outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Sandra Pascoe Ortiz in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sandra Pascoe Ortiz means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sandra Pascoe Ortiz out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sandra Pascoe Ortiz in simple terms?

Sandra Pascoe Ortiz is a Mexican researcher and chemical engineer. She is a faculty member at the Universidad del Valle de Atemajac in Zapopan.

Why does Sandra Pascoe Ortiz matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sandra Pascoe Ortiz?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sandra Pascoe Ortiz.