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Your search results for animations returned 59 results.

Affinity Chromatography Details
Description: Using exposition, graphics, and commercial videos, this module teaches the theory and application of affinity chromatography in the characterization of proteins, nucleic acids, and other biochemical/biomedical systems. Problems and application examples support the tutorial material.

All about light -- diffraction, reflection, gratings, animations Details
Description: This is a very detailed site about the physics of electromagnetic waves including diffraction and interference. The site has several components. A large list of animations is provided, but several of the links are no longer active, so this feature is less useful than it could be. The site also has a series of lecture notes, as pdfs, and nice slides that describe various aspects of the behavior of electromagnetic radiation. This site may be useful for instructors teaching spectroscopy. Students may need some advice about where to go and what to do.

Analytical Chemistry Details
Description: Lecture notes for 1st semester are on titrations, gravimetry, kinetics and electrochemistry (redox). Potentiometry, coulometry, voltammetry, spectroscopic and separation methods are presented during 2nd semester, illustrated with QuickTime animations.

Analytical Instruments and Spectroscopic Concepts Details
Description: Primers for different analytical techniques (HTML, PDF). Also links to animations and audio descriptions of analytically related concepts. Techniques include atomic absorption, spectrophotometry, chemiluminescence, gas chromatography, mass spectrometry, and atomic emission.

Animated Vibrational Modes of Triatomic Molecules Details
Description: Molecular vibrational modes are discussed using animation to depict atomic motion. As examples, the fundamental vibrational modes and their composite superposition are demonstrated for sulfur dioxide and carbon dioxide. A brief overview of the approach for calculating molecular vibrational modes is included with references to basic literature on the topic. Atomic motion resulting from the superposition of fundamental modes is discussed in relation to effects of molecular vibrations on reactivity. The site is a Journal of Chemical Education Online article. QuickTime is required to view the animations.

Animated Webpage Explaining STM Details
Description: This is an animated gif that illustrates how scanning tunneling microscopy (STM) works. As such it is valuable to students and faculty interested in learning about this important surface analysis technique.

Animation of diode array detection in HPLC Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with diode array detection for liquid chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL. This site requires FLASH version 7 or higher in order to work properly

Animation of Dual Head HPLC Pump Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with dual head LC pumping. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are listed below.

Animation of GC flame ionization detector Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with flame ionization detection in GC. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

Animation of GC solvent focusing Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with solvent focusing in gas chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are listed below.

Animation of pulse dampner in HPLC Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with pulse dampners is LC and could help in a general lecture about LC pumps. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

Animation of Quadrupole GC-MS detection Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with quadrupole mass spectrometry detection for chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are listed below.

Animation of sample loop HPLC injections Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with sample loop injections in liquid chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are listed below.

Animation of Single Head Check Valve HPLC Pump Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with reciprocating pumps for liquid chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are listed below.

Animation of single wavelength UV-vis detection for HPLC Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with single wavelength UV-vis detection for liquid chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

Animations and Simulations in the Teaching of Analytical Sciences Details
Description: This article by Cynthia Larive, published in the "ABCs of Teaching Analytical Science" series of the journal Analytical and Bioanalytical Chemistry, will be of interest to faculty members teaching courses in the analytical sciences. The article provides a good introduction to the animations, simulations, and other on-line resources available on the internet. More important, it encourages instructors to develop a teaching philosophy that emphasizes the use of these materials.

Animations in an Instrumental Methods Chemistry Class? Details
Description: This website provides an introduction to animations as a tool for teaching instrumental techniques in the instrumental analysis course - why one might wish to use animations, some information on how to go about developing them, and it provides a number of examples of animations for analytical instrumentation. One problem with the site is that some of the animations emphasize instrumentation that is not frequently used today. For example, the section on ICP shows an instrument with the classical Rowland Circle configuration and the section on GC-MS shows an animation of a sector mass spectrometer. Nonetheless, the site should prove a valuable resource to college educators teaching analytical chemistry.

Applets for Chromatography, Signal Processing and General Analytical Chemistry Details
Description: This site offers Java-based applets organized in four categories: analytical and general chemistry, instrumental chemical analysis, instrumentation/signal processing, data analysis/chemometrics. Each applet includes a short introduction followed by a user controlled input of experimental conditions, such as seen for diffusion in electrochemistry.

Atomic Absorption Instruction Module Details
Description: An introduction to Atomic Absorption Spectroscopy for the non-chemist or new user.

Biological Animation Library Details
Description: This site produced by the Dolan DNA Learning Center of the Cold Springs Harbor Laboratory contains a number of high quality animations that explain processes important in bioanalytical chemistry. For example, one animation illustrates the process of Sanger sequencing and another explains what Gene Chips are and how they work. PCR, gel electrophoresis, cloning, model organisms and stem cell lines are also treated. The site allows the animations to be viewed or downloaded for PC or Mac, which means that they can be easily incorporated into lectures.

Bragg's Law and Diffraction Details
Description: This site presents an introduction to Bragg's Law of Diffraction, along with how diffraction of x-rays provides information on atoms in crystalline material. An Applet allows the user to vary the wavelength and angle of incidence of radiation to a surface, along with the distance between layers of the material to demonstrate the conditions necessary for constructive interference, or a Bragg's condition. The derivation of Bragg’s law is also explained.

Capillary electrophoresis movie Details
Description: This website is an animation describing aspects of CE separations, including electroosmotic flow, the separation, injection (hydrodynamic and electrophoretic) and detection (direct and indirect).

Capillary Electrophoresis Primer Details
Description: This site presents a primer on capillary electrophoresis. This is a very complete treatment covering the basic theory of CE, sample stacking techniques, and practical information about optimizing CE separations. There is an animation showing how to properly cut a capillary and a glossary of terms for analytical validation. The site provides theory and background to CE but perhaps not as in as much depth as an introductory instrumentation text. On the other hand it has a large range of practical tips that a student would not necessarily get from a text. The link to "Helpful Hints for Improved Capillary Electrophoresis" which includes a section on selection of buffers, tables of buffer pKa's, buffer additives, conditioning capillaries and troubleshooting problems.

Chemical Separations Details
Description: This site contains complete notes in a PowerPoint-like presentation for a chemical separations course. It covers a wide variety of topics, including distillation, extraction, gas chromatography, liquid chromatograpy, chromatography theory, instrumentation, electrophoresis, field flow fractionation, and affinity chromatography. It covers these topics thoroughly using a clear, consistent, and simple presentation style. Links to major topics like GC, LC, and electrophoresis provide specific information about the theory, instrumentation, and practice related to these techniques. Many students will find this, and its companion sites, quite helpful.

Chemistry Experiment Simulation, Tutorials and Computer Animations for College Chemistry Details
Description: After instructions on what computer programs will be needed, you can simulate chemical processes related to electrochemistry, acid-base chemistry, stoichiometry and kinetics.

Chromatography Details
Description: An introductory site about chromatography that does not go into great depth. However, the simulation of paper chromatography is worth exploring with students as it illustrates that the separation of compounds relies on the difference in the solutes affinities for the mobile phase relative to the stationary phase. Because of its apparent simplicity, this simulation has significant pedagogical potential and could be used in a variety of ways in class to explore the factors governing chromatographic separations.

Craig countercurrent extraction machine applet Details
Description: This site provides a useful applet that demonstrates countercurrent extraction. The explanation of the method is short, but good. The level is appropriate for undergraduate students. The Applet itself is well designed and provides a useful exercise for students around which homework or small-group waork could be developed. The use of color is particularly helpful. The same author has a larger collection of applets about instrumentation and other analytical concepts in the ASDL collection. It can be found by searching the ASDL library using 'applets' as the keypword, or going to the site: http://www.chem.uoa.gr/applets/Applet_Index2.htm

Cyclic Voltammetry Simulator Details
Description: This simulator allows the modeling of responses from experiments in cyclic voltammetry, and is applicable to a wide variety of parameters. Excellent instructional aids in text form include description of electrochemical reversibility, diffusion, instrumentation and interpretation of cyclic voltammograms, with real-time demonstration of parameter changes.

DNA Evidence Training Details
Description: These training modules are intended to provide interactive training that covers basic information about the identification, preservation, and collection of DNA evidence at virtual crime scenes related homicide, sexual assault, and burglary. Information addressed in this interactive training program is delivered in two modules. The Beginning Level Module focuses on issues that arise for the first-responding law enforcement officer. The Advanced Level Module delivers more in-depth information for the evidence technician. Also included are test questions, a glossary, and references.

DNA Extraction and Quantitation for Forensic Analysts Details
Description: This web site is part of the President's DNA Initiative and is devoted to the methodology for the extraction and quantification of DNA obtained from crime scene evidence. The site is designed as an on-line short course. The site identifies potential obstacles in the collection, extraction, and amplification of DNA. Extraction methods covered are organic, Chelex, and other extraction procedures. The site reviews inhibitors of the polymerase chain reaction (PCR) process and suggests methods for separating these inhibitors from the sample DNA. The advantages and disadvantages of commonly used quantitation methods for DNA are reviewed. The user must register and secure a readily obtainable password prior to entering the site.

Dual Beam Spectrometer Details
Description: The Quick Time movie describes the operation of a dual beam spectrometer using an optical wedge to improve the accuracy of the absorbance measurement. The Tunable Monochromator Movie is an excellent companion movie

Electromagnetic waves and circular dichroism:an animated tutorial Details
Description: This website provides a tutorial on electromagnetic waves using animated graphics. The tutorial gives the student the ability to visualize, plane, and circularly polarized waves, the superposition of various types of polarized waves, and the change that results when the EM waves interact with matter.

ELISA Animated Virtual Laboratory Details
Description: This animated virtual laboratory, produced by HHMI, that addresses concepts related to analytical immunoassay including the basis of humoral immunity,the foundation of ELISA, potential errors in conducting an ELISA and the sensitivity and specificity of a diagnostic test. This site has several layers including a laboratory notebook that provides experimental protocols for each step. This animation requires Shockwave to view, which is available as a free download.

Fluorescence Detection Animation Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with fluorescence detection for liquid chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

FTIR Spectrometry Details
Description: The site demonstrates principles behind the operation of the interferometer in an FTIR spectrometer. Graphics and interactive movies are used. Examples start from a single wavelength and build to the superposition of multiple wavelengths. The connection between an interferogram and a frequency domain spectrum is discussed.

GC coating animation Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with solute retention in GC. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

GC Electron Capture Detector Animation Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with electron capture detectors. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

GC Splitless Injection Animation Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with splitless injection in GC. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

GC/MS with animations Details
Description: This site contains a good review of GC detectors that is linked to animated files describing the hardware and principles of operation for GC/MS. From this site, one can also get to multiple other animations about a variety of analytical topics.

HPLC, LC-MS, and FTIR sites Details
Description: This site contains a considerable amount of information on HPLC, LC-MS, and FTIR via linked sites by the same author and some vendor sites. It may require considerbale time to follow the links to find specific information, but as a collection of sites related to HPLC and FTIR it is quite useful as a teaching resource. There are some interesting animations that might be helpful for students to understand how these instruments work.

ICP-MS Details
Description: This site provides the principles of ICP-MS from sample introduction, ionization to MS quadrapole analysis. Excellent illustrative schematics of the main process in ICP-MS and pictorials of component parts. This has photos of the detector horn; photos of the actual quadrapoles; and of the plasma which are nice. The site has animations showing the nebulization (although not really related to any physical operation) and to the quadrapole. This material would serve as an excellent reference resource by students at the upper undergraduate and beginning graduate level. The detection levels for 27 elements are listed in a table.

Instrumentation on the web Details
Description: Discussion of teaching instrumentation using animations many of which are produced by the authors. Numerous links and many instrumentation animations.

Introduction to Chemical Equilibria Details
Description: An interactive set of applet-based demonstrations (many modeled as experimental measurements) that illustrate the concepts and calculations of chemical equilibria. The site demonstrates equilibrium processes in a reaction vessel by plotting the concentration of reactants and products over time. The site would be a good supplement for a class in general chemistry or quantitative analysis.

Kinetic Capillary Electrophoresis(KCE): A conceptual Platform for Kinetic Homogeneous Affinity Methods Details
Description: Kinetic Capillary Electrophoresis is a family of methods for studying binding of biopolymers, measuring rate constants, binding constants, and in some cases providing mechanistic details. This Online Article is a presentation by the originators of this family of techniques ready for classroom or independent use.

Landmark Instruments of Chemistry Details
Description: This website effectively uses animated movies combined with text explanations to describe the processes in FT-IR interferometry, TLC, GC and magnetic sector mass spec. It is effective in illustrating processes that are otherwise difficult to visualize. These materials are excellent visualization tools that can be incorporated into lectures readily.

Laser-induced Remote Sensing for Chemistry and Micro-imaging Details
Description: This site describes an LANL project to develop laser-induced breakdown spectroscopy for elemental analysis and remote sensing on Mars.

NMR animation Details
Description: This site has very nicely animated tutorials on NMR with sufficient depth to be useful to the non-NMR savvy. The animations are accompanied by short descriptions so that the processes displayed can be understood by the viewer. This site goes beyond just showing precession. There are nice animations showing the effect of different pulses, including composite pulses on the magnetization, the effects of magnetic gradient pulses to measure diffusion and do coherence pathway selection. Other aspects are less useful since they basically just present material that could be found in a book in an animated format. The site is useful for teaching in a lecture setting. Students will find the images appealing.

Origin of Chromatography Details
Description: This site has a series of links to QuickTime movies that animate the chromatographic process. The movies show the effect of changing K, L, and N on peak width and separation. The site is useful in combination with other sources that explain the background theory.

Overview of Scanning Probe Microscopy Techniques Details
Description: This manufacturer's site offers a brief, readable, and well-illustrated introduction to several important methods in scanning probe microscopy (SPM), including STM, AFM, and NSOM. "Education links" include 3-d animations from surface scans utilizing these techniques. An excellent "Suggested Reading" section contains links to on-line texts and references to books covering SPM and other topics in nanoscience.

Paper Chromatography Details
Description: This site is a very brief introduction to the idea of separation of components in a mixture and a set of instructions for students for separating colored compounds by paper chromatography (on coffee filters). The appropriate audience would be students in a high-school or introductory, non major's college chemistry class.

Principles of Scanning Probe Microscopy Details
Description: This site offers a beautifully illustrated introduction to the principles of scanning probe microscopy. The text is interspersed with links to additional information, much of it from the Interface Physics Group at Leiden University. There are several included animations and links to picture galleries which illustrate both principles and utilization of scanning probe microscopy. An additional "links" page takes the user to sites of research groups involved in ongoing developmental work in surface science.

Rice virtual lab in statistics Details
Description: This site provides an online statistics textbook, a variety of interactive applets that demonstrate statistical tests, and case studies that illustrate the application of statistics in a variety of areas, ranging from court cases to who is consumer economics.

Separation Science Animations Details
Description: This site from TRSL is the main site that links to many animations related to how chromatography systems work. Most of the animations are quite good and would be helpful to students when trying to visualize what occurs in an instrument during a separation (e.g. injection, detection, etc.).

SIMS Animation Details
Description: Watch simulations of atoms and molecules colliding with a metallic matrix. See crystal structures disrupted and atoms sputtered.

Split Injection GC Details
Description: This site is one in a series of sites with very good animations related to separations. This animation deals specifically with split injection in gas chromatography. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) are also listed on ASDL.

The Geometer's Sketchpad - Least Squares Details
Description: This site provides a simple applet that demonstrates how a least-squares analysis works. The applet allows students to adjust the slope and intercept of the best fit line and observe how they affect the residual error. The site does not provide an explanation of the mathematical details of a least-squares analysis, nor does it explain the significance of the sum-of-squares. Nevertheless, instructors will find that this is a useful tool for illustrating a least-squares analysis.

Titration of an Unknown Acid or Base Details
Description: This website contains a JAVA applet that simulates the titration of an unknown acid or base, and provides a graphical output of the titration curve. The unknown compounds are taken from a list of amino acids. Students set up the parameters of the titration, and then create a simulated pH curve. From this they are able to identify the unknown compound from the list, and determine the acid dissociation constant(s) from the titration data.

Videos zur Titration und Gravimetrie (Titration and Gravimetry Videos) Details
Description: This website provides a set of short videos which demonstrate to quantitative analysis students the basic steps and visual changes encountered for the following experiments: Mohr titration (for chloride), acid-base titrations, and gravimetry for iron and nickel. A cursory knowledge of German is needed. However, individuals with some knowledge in these techniques can interpret these videos with little trouble. Real Player (or other software that can play .ram files) is required.

X-ray Diffraction Details
Description: This Site Is A Good Freshman Or Sophomore Level Introduction To Diffraction And Its Application To Studying Crystal Structure. Because It's Very Visual And Interactive, It Engages The Student. It's Not Mathematical Enough For An Upper Level Course. The basics of diffraction are covered with excellent interactive demos. Demos are great as a supplement but not as a stand alone module on diffraction.