EPR Basics and Application to Biology

This site contains a set of powerpoint slides that discusses the basic principles underlying electron paramagnetic resonance (EPR). The slides also present examples of the application of EPR to biological systems including organic radicals in proteins, paramagnetic metal centers and spin labels.

Middle School Portal: Math and Science Pathways (MSP2)

Hosted by Access Excellence at the National Health Museum, the Backyard Birding -- Research Project was created by Monte Vista high school teacher Stan Hitomi. This hands-on project is targeted towards high school-aged life science and biology students and can be adapted to run from between two months to an entire year. The project emphasizes research, cooperative learning, and community outreach skills as students construct bird feeders, maintain a journal, design a research project, and commun

Guidance for Industry: Bioanalytical Method Validation

This site is a pdf document for analytical scientists detailing what is necessary to make a methodology acceptable to the FDA. As such it should provide an \\\\\\\"eye\\\\\\\" opener to students trying to learn the analytical mindset. This site will be especially useful for instructors presenting material on method validation. It is also a valuable resource for students considering employment in the pharmaceutical industry.

Immunoassay Animations

Animations showing the detailed steps involved in 8 different immunoassays. The focus of the site is primarily on the biochemical aspects of the immunoassays, not on their analytical applications.

Can you draw a picture of the stars on an American flag?

This online activity offers students a chance to analyze possible patterns for the 50 stars on the US flag. Students determine the possible patterns using the clue that each row contains either one more or one less star than the row next to it. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. The activity features a solution hint and a solution that suggests two ways to think about the problem and shows

What Is Service Learning?

Learning in the context of real-world problems through activities that not only promote student learning but also serve the public. Environmental and analytical chemistry courses provide a background for using scientific skills to work with the community and gain an understanding of a scientist's role in society. A group of faculty was convened to examine how service learning can best fit into chemistry instructional programs.

Middle School Portal: Math and Science Pathways (MSP2)

This online challenge activity introduces a gift-counting problem that requires students to organize information in a table and then to draw conclusions. The importance of organizing information for decision making is noted for census takers, librarians, and demographers. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. The solution hint suggests how to organize a useful table. Related questions ask stud

Morphing : can you turn a frown into a smile?

This online challenge activity offers students a look into the world of computer animation. It features a simplified explanation of how one image can be transformed into another image using digitization and explains the mathematics concept of the average. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. Related questions ask students to consider other situations that require the use of percentages to mea

SGE Chromatography Products - Troubleshooting and Training

A guide to troubleshooting chromatography problems, especially GC. There is also material on increasing column efficiency and reference material on properties of stationary phases.

Bowl 'em over : does he have a chance?

The initial question for this online activity asks students to determine the probability of winning a bowling tournament, given scores for the first five games. Students determine what the score in a sixth game must be in order to win the tournament. They also calculate the probability of bowling that score. Two solutions to this problem are included. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. In r

Middle School Portal: Math and Science Pathways (MSP2)

This online activity offers students a chance to compare soda prices from two stores using data displayed on a scatter plot graph. Students are shown how the line y = x can be used to analyze the data and draw a conclusion. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. The activity contains a solution hint, two different ways to find the solution, questions related to analyzing similar data from other

Chemistry-Based QuickTime, Shockwave Flash, GIF Animations, and Streaming Audio

The Chemistry-Based QuickTime, Shockwave Flash, GIF Animations, and Streaming Audio Web site is provided to "support the teaching of concepts in chemistry in freshman through graduate level courses." Dr. Thomas Chasteen's site offers links to multimedia files related to chemiluminescence, gel electrophoresis, how a grating works, gas chromatography and mass spectrometry, titrations, atomic emission detector, and much more. The site is a good collection of helpful visual learning tools that chemi

Middle School Portal: Math and Science Pathways (MSP2)

With this online activity, students explore the classic mathematics map-coloring question known as the four-color problem. Students must determine the minimum number of colors needed to color a map so that entities sharing a border have different colors. Initially, students investigate the minimum number of colors necessary to color a map of states west of the Mississippi River. The activity's Getting Started section suggests coloring the states in a specific order. The Solution page uses odd an

Middle School Portal: Math and Science Pathways (MSP2)

This online activity offers students a chance to apply the concept of symmetry to a real archaeology question. The activity calls for a hands-on solution to the initial challenge of determining the size of a plate from only a fragment or shard. Related math questions offer the opportunity to think about lines of symmetry for a variety of shapes. The activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. The activi

The NIST Webbook

Chemical and physical property data on over 30,000 compounds. Information includes mass spectra, infrared spectra, UV-Vis spectra, and a large amount of thermodynamic data generated by NIST scientists over the last 30 years.

Profit or loss?

This online activity challenges students to think about money and profit as they consider buying and selling a Beanie Baby. The activity is one of 80 mathematical challenges featured on the Figure This! web site emphasizing real-world uses of mathematics. After determining the profit for two transactions involving a Beanie Baby, students are asked to determine the number of attendees necessary to make a profit for a dance and to find the profit from buying and selling stock. Information about th

Middle School Portal: Math and Science Pathways (MSP2)

In this activity, students are asked to decide which would melt faster: a large block of ice or the same block cut into three cubes. The activity is one of 80 mathematical challenges featured on the FigureThis! web site. The animated introduction to this activity notes that surface area and volume are important to the work of architects, interior designers, and chemists. Students are encouraged to compare the surface area of the ice cubes to the larger block. The complete solution demonstrates h

Middle School Portal: Math and Science Pathways (MSP2)

This activity opens with a cartoon in which two characters present students with directions for arriving at a special number. Students then correlate their special number with a letter of the alphabet and choose a color that begins with that letter. The characters bet that the color is yellow, and students are challenged to discover why the bet would be correct. The activity is one of 80 mathematical challenges featured on the Figure This! web site. It introduces algebraic procedures and notes t

Do women live longer than men?

This activity opens with a graph that depicts the life expectancies of men and women born in the United States. Students are asked to estimate the greatest difference between genders in the years between 1920 and 1996. The activity, part of the Figure This! collection of 80 real-world math challenges, introduces trend analysis and explains its utility to market research, radio stations, and manufacturers. The Hint tells students how they should read the graph to determine the life expectancy for

Tan, don't burn : how long before you burn?

This online activity offers students the opportunity to reason with numbers as they examine the practical implications of sun protection factor (SPF) numbers on sunblock. The activity is part of the Figure This! collection of 80 online mathematical challenges emphasizing real-world uses of mathematics. In this activity, the Hint and Getting Started sections illustrate how to apply mathematical reasoning. They demonstrate how to think through the answer to the initial question about how a person