The goal of this laboratory is to help students understand that burning …
The goal of this laboratory is to help students understand that burning fossil fuels, which results in an increase in the acidity of ocean waters, has a detrimental impact on marine life (specifically coral but also other organisms that have calcium carbonate based shells).
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This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"A new method for identifying post-translational modifications in proteins promises to cut biomedical researchers’ workload in half. Enabling multiple affinity enrichment procedures to be run in parallel, the one-pot method yields the same search results as traditional methods in less time and from less tissue. As proteomics researchers know well, identifying post-translational modifications in biological samples can be tedious. Enriching samples with target modifications, such as the attachment of acetyl , succinyl or methyl groups to amino acid residues, and matching experimental data with catalogued results involves numerous steps. And the work load is only getting bigger. With exploding interest in how multiple modifications are linked across the vast proteome , the amount of time and the amount of sample required for exploration are skyrocketing in proportion. But with the new one-pot enrichment method, that could soon change..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This is a teacher demonstration used to show an example of kinetic …
This is a teacher demonstration used to show an example of kinetic molecular energy using food coloring and water. The students are also given opportunity to develop their own questions and tests.
In this exercise, students use both polyhedral model kits designed by the …
In this exercise, students use both polyhedral model kits designed by the University of Wisconsin at Madison Materials Research Science and Engineering Center (MRSEC) Institute for Chemical Education and computer visualization in Jmol to explore the structures of a variety of phyllosilicate minerals, and relate those structures to physical properties. Students work in small groups to build either a sequence of dioctahedral or trioctahedral minerals and answer a series of questions about structure, arrangement, coordination and bonding. The small dioctahedral and trioctahedral groups combine to compare structures and discuss additional questions about these and other minerals.
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Short Description: This a physical science text intended for non-science majors that …
Short Description: This a physical science text intended for non-science majors that covers introductory chemistry and physics topics. The work is adapted from Chemistry: Atoms First 2e https://openstax.org/details/books/chemistry-atoms-first-2e and College Physics https://openstax.org/details/books/college-physics
Word Count: 29934
(Note: This resource's metadata has been created automatically by reformatting and/or combining the information that the author initially provided as part of a bulk import process.)
This activity provides for small group investigation of the properties of different …
This activity provides for small group investigation of the properties of different liquids leading to the discovery that liquids are different in many ways, including density.Students would be led to a very beginning understanding of density.
This lab is designed to be a highly interactive lab session for …
This lab is designed to be a highly interactive lab session for a petrology course, where instructors provide a minimal level of essential background and then the entire group works together to explore mineral chemistry. In using a new piece of technology, students can "learn as they go." The point is not to understand every aspect of how an instrument works or to become proficient users, but rather to use the visual impact of the output to catch their interest and advance their analytical skills in the process. I find this lab works very well as a bridge between two semesters of a typical Mineralogy-Petrology sequence. Having completed crystallography, systematic mineralogy and optical, students find this a welcome change of pace and it helps them to start thinking about how mineral associations form the basis of petrology. It is also a great reinforcement and integration of mineralogy and chemistry, allowing you to leap off into crystal chemistry more deeply.
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This lab activity is designed to have students use their knowledge of …
This lab activity is designed to have students use their knowledge of balancing and identifying chemcial reactions and apply it in a fun and interesting way!
Todo mamífero —y por tanto todo ser humano— necesita oxígeno para vivir. …
Todo mamífero —y por tanto todo ser humano— necesita oxígeno para vivir. Este gas representa el 20 % del aire que nos rodea. ¿Pero de dónde viene? Se produce por fotosíntesis: una compleja reacción fisicoquímica que tiene lugar en las hojas de las plantas.
This module provides an introdcution to the concepts of fats and proteins. …
This module provides an introdcution to the concepts of fats and proteins. The basic chemical structure of fats as triglycerides is reviewed, and an introduction to protein structure, including the peptide bond is given.
Fear is a physiological, behavioral, and emotional reaction to stimuli that an …
Fear is a physiological, behavioral, and emotional reaction to stimuli that an animal encounters (Horwitz, 2013). In many species across the animal kingdom, the physiological reaction results in an increase in heart rate, increased respiratory rate (panting), sweating, trembling, pacing, and possibly urination and defecation. Fear is an appropriate response to environments and stimuli that are potentially harmful to the animal, which could utilize a creature’s fight or flight response and preserve its life. In this resource, fear of human and nonhuman animals, along with potential treatments for fear disorders, is explored and reviewed.
1HNMR (500 MHz, CDCl3, J in Hz) δ: 3.58 (3H, s, H-4’), 6.24 (1H, d, J=15 Hz, H-2’), 6.93 (1H, d, J=9 Hz, H-6), 7.16 (1H, dd, J=8 and 2 Hz, H-5), 7.04 (1H, d, J=2 Hz, H-3), 7.65 (1H, d, J=15 Hz, H-1’).1HNMR spectrum showed the characteristic signal for a methoxy group at δ 3.58 (s). The compound spectrum also showed three aromatic protons at δ 6.93 (d; J=9 Hz), 7.14 6(dd; J=8 and 2 Hz), and 7.04(d; J=2 Hz), characteristics for the H-6, H-5, and H-3 of aromatic part of isolated compound. The presence of further two proton doublets with J= 15 Hz at δ 6.24 and 7.65 suggests the presence of H-2’ and H-1’ in the side chain of compound respectively.The EI-MS analyzed a molecular ion peak at m/z 194 (M+, base peak) is suggested with the proposed structure of the known phenolic compound, ferulic acid, with C10H10O4 molecular formula.
We anticipate that hikers will start from Dunraven Pass at 8:00 AM. …
We anticipate that hikers will start from Dunraven Pass at 8:00 AM. Hikers should return to the vans at 12:00 PM, from there we will go to a picnic area for lunch. All hikers must therefore turn around and head for the vans no later than 10:45. Because of these strict time limitations, there will probably not be sufficient time to examine the rocks in as much detail as one would hope. The trip is thus largely a self guided tour. It will, nevertheless, give you an opportunity to examine several rock types associated with calc-alkaline composite cones and provide a spectacular view of the Yellowstone Caldera, weather permitting.
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This course covers the fundamental driving forces for transport—chemical gradients, electrical interactions, …
This course covers the fundamental driving forces for transport—chemical gradients, electrical interactions, and fluid flow—as applied to the biology and biophysics of molecules, cells, and tissues.
This course introduces the basic driving forces for electric current, fluid flow, …
This course introduces the basic driving forces for electric current, fluid flow, and mass transport, plus their application to a variety of biological systems. Basic mathematical and engineering tools will be introduced, in the context of biology and physiology. Various electrokinetic phenomena are also considered as an example of coupled nature of chemical-electro-mechanical driving forces. Applications include transport in biological tissues and across membranes, manipulation of cells and biomolecules, and microfluidics.
Use our Google Forms, filled with videos of experiments, animations, and questions …
Use our Google Forms, filled with videos of experiments, animations, and questions to create remote learning assignments students can do at home! A walkthrough video is included to let teachers see how they can use these assignments with their students.
Students study an ancient bronze statue, analyze its pose, and discover how …
Students study an ancient bronze statue, analyze its pose, and discover how conservators remove and prevent corrosion. They learn that the bronze used to make this sculpture is an alloy of copper and tin with small amounts of antimony, lead, iron, silver, nickel, and cobalt. They use the periodic table to research the chemical formulas of compounds used to make bronze. After learning about oxidation-reduction reactions that occurred in the statue, students speculate about the conservation techniques needed to conserve the bronze sculpture.
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