A battery from fruits and vegetables
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This document summarizes a student's experiment to test if fruits or vegetables can produce electrical energy. The student's hypothesis was that the chemical reactions between electrodes and electrolytes in fruits/vegetables could generate electricity. In the experiment, potato, lemon, and apple juices were used as electrolytes with copper and iron electrodes. The results showed low levels of electricity were produced from each fruit/vegetable, with potato producing the highest levels. However, the batteries quickly depleted, similar to conventional batteries once the chemical reaction ends.
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Prof. Michael Opferman | Temple University | Phys 0847
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Prof. Michael Opferman | Temple University | Phys 0847
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Prof. Michael Opferman | Temple University | Phys 0847
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Prof. Michael Opferman | Temple University | Phys 0847
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5
Proton: +2/3+2/3-1/3=+1
Neutron: +2/3-1/3-1/3=0
Electricity
Electricity refers to the movement of Charged objects (usually Electrons)
Electrons are very light and sometimes mobile, and they carry a lot of charge (-1 per Electron)
Think of Electricity in analogy with flowing water
Although Charge can be stationary (like a puddle or lake), it can also flow in currents (like a river or water flowing through a pipe)
https://pixabay.com/en/danger-electric-faucet-electricity-153065/
9/28/2016
Prof. Michael Opferman | Temple University | Phys 0847
6
Electric Current
Flowing Charge is therefore called “Current”
Just as water current could be measured in Gallons per Second, Electric current is measured in Electric Charge per second (called Amps).
http://spendergast.blogspot.com/2014/04/quantum-measurement-of-current-one.html
9/28/2016
Prof. Michael Opferman | Temple University | Phys 0847
7
Electric Current
Just as water can flow through pipes, Electrons can flow through metal wires
Metals are “Electrical Conductors” because they have Electrons that can be easily detached from their atoms, so that they can flow and form Currents.
http://sciencepedagogics.pbworks.com/w/page/69837960/Physics%20II%20-%20ELECTRIC%20CIRCUITS
9/28/2016
Prof. Michael Opferman | Temple University | Phys 0847
8
Voltage
Electricity also has a second property called Voltage, which is related to the Energy of the Electrons that are flowing
This is analogous to measuring the strength of a water current
T ...
Piezo electric100 ppt
This document discusses piezoelectric energy harvesting. Piezoelectric materials generate an electric charge when subjected to mechanical stress. Common piezoelectric materials include quartz, Rochelle salt, and various ceramics. The document outlines how piezoelectricity works and some applications, such as sensors, lighters, and phones. Advantages are that piezoelectric energy harvesting is green, pollution-free, and has low maintenance costs. Disadvantages include low power outputs and effects from high stress and temperature changes. The conclusion discusses using piezoelectric strips in shoes to harvest energy from walking and power portable electronic devices.
Electrophoresis
INTRODUCTION, DEFINATION OF ELECTROPHORESIS, ELECTROPHORESIS PRINCIPLE, TYPES OF ELECTROPHORESIS, FREE ELECTROPHORESIS, ZONE ELECTROPHORESIS,PAPER ELECTROPHORESIS, WORKING OF PAPER ELECTROPHORESIS, PROCEDURE FOR PAPER ELECTROPHORESIS, VISUALISATION, FACTORS AFFECTING SEPARATION OF MOLECULES, APPLICATIONS, working of paper electrophoresis ,procedure for paper electrophoresis ,visualisation ,factors affecting separation of molecules ,applications ,forensics ,dna fingerprinting ,molecular biology ,microbiology information about the organisms ,biochemistry mapping of cellular components ,paper electrophoresis is also used in study of sic ,hemoglobin abnormalities ,separation of blood clotting factors ,serum plasma proteins from blood sample ,used in separation and identification of alkaloids ,used for testing water samples ,toxicity of water ,drug industry to determine presence of illelgal drUGS
Pratikshaaa
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(5) Electrophoresis.pptx
Electrophoresis is a technique used to separate charged particles such as proteins, nucleic acids, and other molecules based on their size and charge. It works by applying an electric field to encourage the particles to migrate through a gel or other medium at different rates. The document discusses the components, principles, and applications of electrophoresis, including different types of gels, buffers used, and methods of visualization. It is commonly used in fields like molecular biology, genetics, and forensics.
Elisa and Electrophoresis
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Biochem asgnmnt
Electrophoresis is a technique used to separate charged molecules such as proteins and nucleic acids by using an electric field. There are different types of electrophoresis including zone electrophoresis using paper, cellulose acetate, or gel matrices, and moving boundary electrophoresis without a supporting medium. Gel electrophoresis techniques like agarose gel electrophoresis and SDS-PAGE are commonly used. Electrophoresis finds applications in fields like clinical testing, forensic analysis, and environmental monitoring by allowing separation and characterization of biomolecules.
Electrophoresis
This document provides an overview of electrophoresis. It begins with background information on Mr. R. K. Lodha and his position. It then discusses the key concepts and history of electrophoresis. The general principle is that charged molecules will migrate in an electric field depending on their charge and size. Factors like pH, temperature, and the support matrix can affect electrophoresis results. Common types include agarose gel, polyacrylamide gel, and SDS-PAGE electrophoresis, which are used to separate biomolecules like proteins, DNA, and cells. Agarose is derived from seaweed and has large pores for separating large molecules, while polyacrylamide has small pores for high resolution of small molecules. Elect
Electrophoresis
The document discusses electrophoresis, which is the movement of charged particles through a medium in response to an applied electric field. It provides a history of electrophoresis dating back to 1807 and describes the general principles, factors that affect electrophoresis like molecular charge and size, and different types of electrophoresis like gel electrophoresis. Gel electrophoresis involves using a gel matrix like agarose or polyacrylamide to separate biomolecules like DNA, RNA, or proteins based on their size and charge.
10 electrophoresis jntu pharmacy
This document provides an overview of electrophoresis, a technique used to separate charged molecules like proteins, nucleic acids, and peptides. It discusses the principles behind electrophoresis, where charged molecules migrate in an electric field at different rates depending on their charge and size. Several types of electrophoresis are described, including moving boundary electrophoresis, zone electrophoresis using different supporting materials like paper or gels, and isoelectric focusing, which separates molecules based on their isolectric point. The document provides details on how each technique works and its applications.
GEL ELECTRPHORESIS
This document discusses gel electrophoresis, which separates biomolecules like DNA, RNA, and proteins based on their size and charge. It describes the basic principles of electrophoresis, including how mobility depends on factors like net charge and size. The key steps of gel electrophoresis are explained, such as preparing the gel, loading samples, running the current, and staining. Two-dimensional gel electrophoresis is also summarized, which separates proteins based on isoelectric focusing in the first dimension and size in the second dimension, allowing high resolution separation of thousands of proteins.
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Modern pharmaceutical analytical technique ( Electrophoresis)
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A battery from fruits and vegetables
- 1. SHPOGY SECONDARY SCHOOL BATTERY FROM FRUITS AND VEGETABLES Research work in English Author: Edgars Melnis Advisors: English language teacher Eva Vovka Science teacher Juris Švarcs Shpogy, 2015
- 2. THE AIM TO MAKE AN EXPERIMENT AND FIND OUT IF FRUITS OR VEGETABLES PRODUCE ELECTRICAL ENERGY.
- 3. To find, collect and analyze theoretical information about energy; To make an experiment; To summarize the data gained during the experiment; To present the research work. THE TASKS METHODS: WORK WITH LITERARY RESOURCES, OBSERVATION, EXPERIMENT, RESEARCH, ANALYSES, COMPARISON
- 4. Potato, lemon and apple juice contains many water soluble chemicals that may cause a chemical reaction with Copper and Ferrum electrodes. That is why it is possible to get electricity from these edible items. HYPOTHESIS
- 5. Matter is made up of atoms. In these atoms, there are electrons that are constantly moving. The movement of these electrons depend on how much energy is has. This means every object has potential energy. THEORETICAL PART
- 6. Humans can force these moving electrons along a path from one place to the other. There are conductors, that carry this energy. Some materials cannot carry energy in this form, and they are called insulators. We generate electrical energy if these electrons move from one atom to the other, with the use of magnetic forces. Electrical energy
- 7. THEORETICAL PART • Batteries generate electricity through a chemical reaction between two different electrodes and one electrolyte. • In the experiment are used Copper and Ferrum electrodes and fruit or vegetable juice as electrolyte. • http://www.miniscience.com/projects/Po tatoElectricity/
- 9. 80 56 38 potato apple lemon μA 80 56 38 56 potato apple lemon battery μA PRACTICAL PART
- 10. CONCLUSION • It is possible to get electrical energy and make a battery from a lemon, an apple and a potato. • We get low amperage (50 μA=0,00005 A ) • Chemical reaction between electrodes and an electrolyte ends and, like any batteries, fruit / vegetable battery expires - it gets empty really fast.
- 11. RESOURCES • http://www.miniscience.com/projects/Potat oElectricity/ • https://www.youtube.com/watch?v=aFFl1DD Nu7E • www.usc.edu/org/edisonchallenge/2008/.../Fr uitBatteries.p... • Consulting with a science teacher Mr Švarcs