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Journal Articles: 60 results
Make a Match  Erika K. Jacobsen
Suggests using this month's JCE Classroom Activity in conjunction with the laboratory exercise that follows it.
Jacobsen, Erica K. J. Chem. Educ. 2008, 85, 1090.
Calibration |
Carbohydrates |
Physical Properties |
Solutions / Solvents |
Quantitative Analysis
Measuring the Density of a Sugar Solution  Karen I. Peterson
This experiment addresses the concept of equipment calibration for reducing systematic error. Students prepare and measure the densities of sucrose solutions with simple glassware that has been calibrated using the density of water. By careful work, students can determine the density to within 0.5%. allowing accuracy to be a major component of the final grade.
Peterson, Karen I. J. Chem. Educ. 2008, 85, 1089.
Calibration |
Carbohydrates |
Physical Properties |
Quantitative Analysis |
Solutions / Solvents
A Simple Laboratory Experiment To Determine the Kinetics of Mutarotation of D-Glucose Using a Blood Glucose Meter  Carlos E. Perles and Pedro L. O. Volpe
A simple commercial blood glucose meter is used to follow the kinetics of mutarotation of D-glucose in aqueous solution. The results may be compared with those obtained using an automatic polarimeter.
Perles, Carlos E.; Volpe, Pedro L. O. J. Chem. Educ. 2008, 85, 686.
Aqueous Solution Chemistry |
Bioanalytical Chemistry |
Carbohydrates |
Chirality / Optical Activity |
Enzymes |
Kinetics |
Solutions / Solvents |
Stereochemistry
Kinetic Analysis of Amylase Using Quantitative Benedict's and Iodine Starch Reagents  Beverly Cochran, Deborah Lunday, and Frank Miskevich
This laboratory emphasizes that enzymes mediate the conversion of a substrate into a product and that either the concentration of product or reactant may be used to follow the course of a reaction. It does so by using an inexpensive scanner and open-source image analysis software to quantify amylase activity through the breakdown of starch and the appearance of glucose.
Cochran, Beverly; Lunday, Deborah; Miskevich, Frank. J. Chem. Educ. 2008, 85, 401.
Biosynthesis |
Carbohydrates |
Catalysis |
Enzymes |
Food Science |
Nutrition |
Quantitative Analysis |
UV-Vis Spectroscopy
Biochemical View: A Web Site Providing Material for Teaching Biochemistry Using Multiple Approaches  Fernanda C. Dórea, Higor S. Rodrigues, Oscar M. M. Lapouble, Márcio R. Pereira, Mariana S. Castro, and Wagner Fontes
Biochemical View is a free, full access Web site whose main goals are to complement existing biochemistry instruction and materials, provide material to teachers preparing conventional and online courses, and popularize the use of these resources in undergraduate courses.
Dórea, Fernanda C.; Rodrigues, Higor S.; Lapouble, Oscar M. M.; Pereira, Márcio R.; Castro, Mariana S.; Fontes, Wagner. J. Chem. Educ. 2007, 84, 1866.
Amino Acids |
Bioenergetics |
Carbohydrates |
Enzymes |
Glycolysis |
Lipids |
Metabolism |
Fatty Acids
Structures for the ABO(H) Blood Group: Which Textbook Is Correct?  John M. Risley
Six textbooks and two Internet sites show different structures for the A, B, and O(H) antigens of the ABO(H) blood group, but none of them are correct. This article emphasizes the correct molecular structures because it is important to distinguish between those carbohydrates that make up the antigens and those that are not part of the antigenic structures.
Risley, John M. J. Chem. Educ. 2007, 84, 1546.
Bioorganic Chemistry |
Carbohydrates |
Natural Products |
Molecular Properties / Structure
The A1c Blood Test: An Illustration of Principles from General and Organic Chemistry  Robert C. Kerber
The glycated hemoglobin blood test is a key measure of the effectiveness of glucose control in diabetics. The chemistry of glucose in the bloodstream, which underlies the test and its impact, provides an illustration of the importance of chemical equilibrium and kinetics to a major health problem.
Kerber, Robert C. . J. Chem. Educ. 2007, 84, 1541.
Applications of Chemistry |
Bioinorganic Chemistry |
Carbohydrates |
Mechanisms of Reactions |
Proteins / Peptides |
Bioorganic Chemistry
CARBOHYDECK: A Card Game To Teach the Stereochemistry of Carbohydrates  Manuel João Costa
This paper describes CARBOHYDECK, a card game that may replace or complement lectures identifying and differentiating monosaccharide isomers.
Costa, Manuel João. J. Chem. Educ. 2007, 84, 977.
Aldehydes / Ketones |
Carbohydrates |
Molecular Properties / Structure |
Stereochemistry |
Enrichment / Review Materials |
Student-Centered Learning
Popcorn—What's in the Bag?  Marissa B. Sherman and Thomas A. Evans
Three independent activities explore microwave popcorn, the nature of the packaging, and the popcorn produced.
Sherman, Marissa B.; Evans, Thomas A. J. Chem. Educ. 2006, 83, 416A.
Carbohydrates |
Nutrition |
Physical Properties |
Solutions / Solvents |
Water / Water Chemistry
An Alternative Procedure for Carbohydrate Analysis of Bananas: Cheaper and Easier  C. Michele Davis-McGibony, Randall R. Bennett, Arthur D. Bossart II, and S. Todd Deal
The use of commercially available glucose test strips for home diabetic care is described as a new approach for determining the glucose concentrations in a ripening banana.
Davis-McGibony, C. Michele; Bennett, Randall R.; Bossart, Arthur D., II; Deal, S. Todd. J. Chem. Educ. 2006, 83, 1543.
Applications of Chemistry |
Carbohydrates |
Food Science |
Nutrition |
Plant Chemistry
Chemical Bonding Makes a Difference!  Mary Harris
This report describes a PowerPoint presentation that shows how a small difference in bonding can result in a drastic change in the properties of a material.
Harris, Mary. J. Chem. Educ. 2006, 83, 1435.
Enrichment / Review Materials |
Materials Science |
Polymerization |
Carbohydrates
Popping Popcorn Kernels: Expanding Relevance with Linear Thinking  Jordan L. Bennett, Michael M. Fuson, and Thomas A. Evans
Graphing skills and an understanding of linear relationships are developed in the context of popping of individual popcorn kernels. Introductory-level chemistry students determine mass changes as the result of popping along with the volume and density of the popcorn flakes produced.
Bennett, Jordan L.; Fuson, Michael M.; Evans, Thomas A. J. Chem. Educ. 2006, 83, 414.
Carbohydrates |
Food Science |
Phases / Phase Transitions / Diagrams |
Physical Properties
The Chemistry of Popcorn: Polymers of Glucose  William F. Coleman
The Featured Molecules this month are all polymers of glucose and include cellobiose, maltose, 10-mer of cellulose, 40-mer of amylose, and an amylopectin fragment.
Coleman, William F. J. Chem. Educ. 2006, 83, 413.
Molecular Modeling |
Molecular Properties / Structure |
Carbohydrates
Brewing Science in the Chemistry Laboratory: A "Mashing" Investigation of Starch and Carbohydrates  Michael W. Pelter and Jennifer McQuade
This experiment is an investigation of the chemistry and processes involved in "mashing". Crushed malted barley is mixed with hot water and the progress of the enzymatic hydrolysis of starch is monitored using a simple iodine test.
Pelter, Michael W.; McQuade, Jennifer. J. Chem. Educ. 2005, 82, 1811.
Carbohydrates |
Enzymes |
Food Science |
Consumer Chemistry |
Nonmajor Courses
Calories - Who's Counting?   JCE Editorial Staff
Students determine how many calories are released per gram when marshmallows and cashews burn and then compare the quantity of energy available from carbohydrates vs. fats.
JCE Editorial Staff . J. Chem. Educ. 2004, 81, 1440A.
Calorimetry / Thermochemistry |
Carbohydrates |
Lipids |
Consumer Chemistry |
Food Science |
Nutrition |
Fatty Acids
Essentials of Carbohydrate Chemistry and Biochemistry, 2nd Edition (Thisbe K. Lindhorst)  David J. A. Schedler
This book is aptly named: it is a well organized, well written presentation of the essentials of carbohydrate chemistry and their relationship to biochemistry.
Schedler, David J. A. J. Chem. Educ. 2004, 81, 808.
Carbohydrates
Quantitative Assay for Starch by Colorimetry Using a Desktop Scanner  Kurt R. Mathews, James D. Landmark, and Douglas F. Stickle
Here we describe a procedure to produce a standard curve for quantification of starch concentration using colorimetry.
Mathews, Kurt R.; Landmark, James D.; Stickle, Douglas F. J. Chem. Educ. 2004, 81, 702.
Separation Science |
Quantitative Analysis |
Carbohydrates |
Food Science |
Natural Products |
UV-Vis Spectroscopy |
Laboratory Computing / Interfacing |
Laboratory Equipment / Apparatus
Factors Affecting Reaction Kinetics of Glucose Oxidase  Kristin A. Johnson
Demonstration based on a biochemical kinetics experiment in which the rate of reaction varies with the enzyme concentration, substrate concentration, substrate used in the reaction, and temperature.
Johnson, Kristin A. J. Chem. Educ. 2002, 79, 74.
Enzymes |
Kinetics |
Proteins / Peptides |
Carbohydrates |
Catalysis |
Rate Law
Chemical Laboratory Information Profile: Sucrose  Jay A. Young
Properties, hazards, and storage requirements for sucrose.
Young, Jay A. J. Chem. Educ. 2001, 78, 1460.
Laboratory Management |
Physical Properties |
Carbohydrates
A Modification of a Lactase Experiment by Use of Commercial Test Strips  Tammy J. Melton
Using urinalysis test strips to detect the presence of glucose.
Melton, Tammy J. J. Chem. Educ. 2001, 78, 1243.
Carbohydrates |
Catalysis |
Drugs / Pharmaceuticals |
Enzymes |
Nonmajor Courses |
Qualitative Analysis |
Laboratory Equipment / Apparatus
Glycolysis Wordsearch  Terry L. Helser
Puzzle with 30 names, terms, prefixes, and acronyms that describe glycolysis and fermentation.
Helser, Terry L. J. Chem. Educ. 2001, 78, 503.
Metabolism |
Nomenclature / Units / Symbols |
Carbohydrates
Cabbage Patch Chemistry   JCE Editorial Staff
In this Activity, students make sauerkraut and also investigate the effect of changing one variable in the sauerkraut-making process. This Activity involves students for an entire month (the fermentation period). Related chemical concepts include organic chemistry, catalysts, and carbohydrates.
JCE Editorial Staff. J. Chem. Educ. 2000, 77, 1432A.
Carbohydrates |
Catalysis |
Consumer Chemistry |
Food Science
The Other Double Helix--The Fascinating Chemistry of Starch  Robert D. Hancock and Bryon J. Tarbet
The chemistry of starch, particularly the structure of starch and starch granules.
Hancock, Robert D.; Tarbet, Bryon J. J. Chem. Educ. 2000, 77, 988.
Bioorganic Chemistry |
Carbohydrates |
Food Science |
Stereochemistry |
Applications of Chemistry |
Molecular Properties / Structure
Letters  
Points out that solid NaHSO3 does not exist.
Tudela, David. J. Chem. Educ. 2000, 77, 830.
Gases |
Oxidation / Reduction |
Carbohydrates
Sugar Wordsearch  Terry L. Helser
Wordsearch puzzle containing 29 names, terms, prefixes and acronyms that describe sugars and their polymers.
Helser, Terry L. J. Chem. Educ. 2000, 77, 480.
Carbohydrates |
Nomenclature / Units / Symbols
An Alternative Procedure for the Glucose Oxidase Assay of Glucose as Applied to the Lactase Activity Assay  T. Corbin Mullis, Jeffery T. Winge, and S. Todd Deal
The glucose oxidase assay of glucose has been modified to eliminate the use of micropipets. The modification involves the use of disposable Pasteur pipets and a specified number of drops of each reagent. This simplified technique gives accurate and reproducible results.
Mullis, T. Corbin; Winge, Jeffery T.; Deal, S. Todd. J. Chem. Educ. 1999, 76, 1711.
Enzymes |
Carbohydrates |
Laboratory Equipment / Apparatus |
Laboratory Management
Demonstration of Optical Rotatory Dispersion of Sucrose  S. M. Mahurin, R. N. Compton, and Richard N. Zare
A method for demonstrating and measuring the optical activity of chiral molecules in solution is described in which the rotation of linearly polarized light is directly observed at right angles to the propagation of light in the liquid.
Mahurin, S. M.; Compton, Robert N.; Zare, Richard N. J. Chem. Educ. 1999, 76, 1234.
Instrumental Methods |
Lasers |
Spectroscopy |
Carbohydrates
Generating Water-Soluble Noxious Gases: An Overhead Projector Demonstration  Sally Solomon, Maria Oliver-Hoyo, and Chinhyu Hur
A simple, inexpensive apparatus to generate and collect water-soluble noxious gases as an overhead projector demonstration can be made from two small beakers and a Petri dish. The detection and generation of sulfur dioxide and nitrogen dioxide are described.
Solomon, Sally; Oliver-Hoyo, Maria; Hur, Chinhyu. J. Chem. Educ. 1998, 75, 1581.
Gases |
Oxidation / Reduction |
Carbohydrates |
Toxicology
A Simple Method To Demonstrate the Enzymatic Production of Hydrogen from Sugar  Natalie Hershlag, Ian Hurley, and Jonathan Woodward
In the experimental protocol described here, it has been demonstrated that the common sugar glucose can be used to produce hydrogen using two enzymes, glucose dehydrogenase and hydrogenase. No sophisticated or expensive hydrogen detection equipment is required-only a redox dye, benzyl viologen, which turns purple when it is reduced. The color can be detected by a simple colorimeter.
Hershlag, Natalie; Hurley, Ian; Woodward, Jonathan. J. Chem. Educ. 1998, 75, 1270.
Enzymes |
Kinetics |
UV-Vis Spectroscopy |
Carbohydrates |
Applications of Chemistry
Sugar Dehydration without Sulfuric Acid: No More Choking Fumes in the Classroom!  Todd P. Silverstein and Yi Zhang
Our demonstration uses no sulfuric acid, yields relatively little smoke, and produces an exciting and unpredictable growing column of black carbon.
Silverstein, Todd P.; Zhang, Yi. J. Chem. Educ. 1998, 75, 748.
Carbohydrates |
Thermodynamics |
Electrochemistry |
Solid State Chemistry |
Oxidation / Reduction
The Chemical Adventures of Sherlock Holmes: The Problem of Woolthshrap Prison  Thomas R. Rybolt and Thomas G. Waddell
A chemical mystery with an emphasis on scientific observation and the criminal use of a classic reaction of chemistry (iodine and starch).
Rybolt, Thomas R.; Waddell, Thomas G. J. Chem. Educ. 1995, 72, 1090.
Enrichment / Review Materials |
Carbohydrates
Carbohydrate Dehydration Demonstrations  David A. Dolson, Rubin Battino, Trevor M. Letcher, K. H. Pegel, and N. Revaprasadu
Study of the dehydration of a carbohydrate by sulfuric acid and variables that influence the reaction (including type of sugar, sugar granule size, and amount of water added to sugar).
Dolson, David A.; Battino, Rubin; Letcher, Trevor M.; Pegel, K. H.; Revprasadu, N. J. Chem. Educ. 1995, 72, 927.
Carbohydrates |
Reactions
A Handy Reagent for Testing the Reducing Power of Sugars  Sandell, Arvid
Using the reduction of copper(II) as a semi-quantitative test for reducing sugars.
Sandell, Arvid J. Chem. Educ. 1994, 71, 346.
Carbohydrates |
Oxidation / Reduction |
Coordination Compounds
Biodegradable films: Based on partially hydrolyzed corn starch or potato starch   Sommerfeld, Herbert; Blume, Rudiger
Demonstration of the promising developments in starch chemistry can be done with short and relevant classroom experiments.
Sommerfeld, Herbert; Blume, Rudiger J. Chem. Educ. 1992, 69, A151.
Carbohydrates |
Natural Products
New source for starch solutions: Biodegradable pellets  de Moura, John M.
Convenient way to prepare starch indicator for use in iodine titrations or in "clock" reactions.
de Moura, John M. J. Chem. Educ. 1992, 69, 860.
Carbohydrates |
Titration / Volumetric Analysis
The howling gummy bear   Sullivan, Dan M.
This demonstration illustrates the fact that we consume high-energy foods in order to obtain the reduced carbon they contain.
Sullivan, Dan M. J. Chem. Educ. 1992, 69, 326.
Carbohydrates |
Food Science |
Calorimetry / Thermochemistry
Biochemistry laboratory for the freshman chemistry curriculum  Falk, Peter M.
Intended to introduce students to two important biochemical principles: the study of biomolecules and metabolism.
Falk, Peter M. J. Chem. Educ. 1989, 66, 944.
Metabolism |
Carbohydrates |
Lipids |
Proteins / Peptides |
Plant Chemistry
Biochemistry off the shelf  Wilson, Jerry L.
Rather than using animal sources for biochemistry experiments, non-animal sources are inexpensive, readily available, and require no special storage.
Wilson, Jerry L. J. Chem. Educ. 1985, 62, 796.
Enzymes |
Carbohydrates |
Lipids |
Metabolism
Nutrition and problem solving: Food for thought  Denio, Allen A.; Bennett, Charles R.
Calculating the number of Calories, carbohydrates, protein, and fat per dollar of various foods.
Denio, Allen A.; Bennett, Charles R. J. Chem. Educ. 1984, 61, 1076.
Nutrition |
Carbohydrates |
Proteins / Peptides |
Lipids |
Fatty Acids
The chemical composition of the cell  Holum, John R.
A broad outline of the chemical substances that occur in most cells.
Holum, John R. J. Chem. Educ. 1984, 61, 877.
Biological Cells |
Lipids |
Carbohydrates |
Proteins / Peptides
[Brand] ¬Ěrand the name with the linkage of the same  Garrett, James M.
Tool for helping to remember the configuration of the glucosidic linkages in maltose and cellobiose.
Garrett, James M. J. Chem. Educ. 1984, 61, 665.
Carbohydrates |
Molecular Properties / Structure
Nutrition (diet) and athletics  Lineback, David R.
Nutritional requirements of athletes, energy use for various activities, carbohydrate loading, and myths and fallacies.
Lineback, David R. J. Chem. Educ. 1984, 61, 536.
Nutrition |
Bioenergetics |
Metabolism |
Calorimetry / Thermochemistry |
Carbohydrates
A correction on the Benedict test  Hill, William D., Jr.
Sodium hydroxide is also needed for the formation of copper(I) oxide in the identification of carbohydrates.
Hill, William D., Jr. J. Chem. Educ. 1982, 59, 334.
Qualitative Analysis |
Carbohydrates
Sweet heat  O'Connor, Rod
What would be the net enthalpy change for the complete combustion of 5.00 g of glucose at body temperature?
O'Connor, Rod J. Chem. Educ. 1980, 57, 889.
Carbohydrates |
Calorimetry / Thermochemistry |
Chemometrics
The metabolism of carbohydrates  
Traces the metabolism of carbohydrates and the flow of materials among the various resource pools in living systems.
J. Chem. Educ. 1979, 56, 534.
Carbohydrates |
Metabolism |
Bioenergetics
The burning sugar cube  Smith, Douglas D.
A wide range of powdered solids can be used to produce a burning sugar cube.
Smith, Douglas D. J. Chem. Educ. 1977, 54, 552.
Carbohydrates |
Oxidation / Reduction |
Reactions |
Catalysis
Pre-vacation experiment: The effect of temperature and torsion on the structure of a saccharide  Ford, Linda Kay
An experiment in which students prepare salt-water taffy.
Ford, Linda Kay J. Chem. Educ. 1977, 54, 550.
Carbohydrates |
Molecular Properties / Structure
Paper chromatography of carbohydrates  Croft, L. R.; Haghighi, S.
A simple detection reagent for carbohydrates.
Croft, L. R.; Haghighi, S. J. Chem. Educ. 1977, 54, 112.
Chromatography |
Separation Science |
Carbohydrates
Analysis of reducing sugars in breakfast cereal and other foods. A general chemistry experiment  Bittman, Robert
The experiment described here has been introduced in the freshman chemistry laboratory and has been found to be of interest to the student and instructive as well.
Bittman, Robert J. Chem. Educ. 1974, 51, 46.
Oxidation / Reduction |
Carbohydrates |
Food Science
Maple syrup production as a laboratory exercise  Burt, Norman E.
A primer to maple syrup production, a source for a variety of laboratory exercises.
Burt, Norman E. J. Chem. Educ. 1973, 50, 623.
Applications of Chemistry |
Consumer Chemistry |
Carbohydrates
An overhead projection demonstration of optical activity  Hill, John W.
An overhead projection demonstration of optical activity the makes use of two polarizing lenses and an optically active compound.
Hill, John W. J. Chem. Educ. 1973, 50, 574.
Chirality / Optical Activity |
Molecular Properties / Structure |
Stereochemistry |
Carbohydrates
Questions [and] Answers  Campbell, J. A.
Five questions requiring an application of chemical principles and their solutions.
Campbell, J. A. J. Chem. Educ. 1973, 50, 128.
Enrichment / Review Materials |
Proteins / Peptides |
pH |
Carbohydrates |
Molecular Properties / Structure
Letter to the editor  Bhatnagar, Vijay Mohan
Distinguishes between alpha- and beta-amylose and their mixtures, particular with respect to iodimetric titrations.
Bhatnagar, Vijay Mohan J. Chem. Educ. 1967, 44, 771.
Titration / Volumetric Analysis |
Carbohydrates
The use of talc as a tlc adsorbent  Walsh, Brother Joseph M.
Describes the use of talc as a thin layer chromatography adsorbent, particularly with respect to the separation of flavonoids, sugars, and proteins.
Walsh, Brother Joseph M. J. Chem. Educ. 1967, 44, 294.
Thin Layer Chromatography |
Chromatography |
Separation Science |
Proteins / Peptides |
Carbohydrates
Acid-catalyzed hydrolysis of sucrose: A student study of a reaction mechanism  Dawber, J. G.; Brown, D. R.; Reed, R. A.
By extending the experimental work in a kinetic study of the hydrolysis of sucrose, the beginning student in chemistry can gather some insight into the mechanism of the reaction.
Dawber, J. G.; Brown, D. R.; Reed, R. A. J. Chem. Educ. 1966, 43, 34.
Kinetics |
Mechanisms of Reactions |
Reactions |
Carbohydrates
Systematic names for the tartaric acids  Baxter, J. N.
Examines the use of the small capital letters D and L in naming tartaric acids.
Baxter, J. N. J. Chem. Educ. 1964, 41, 619.
Nomenclature / Units / Symbols |
Acids / Bases |
Carbohydrates |
Chirality / Optical Activity |
Enantiomers
Effect of liquid NH3 on wood: A demonstration of the alcohol structure of cellulose  Hirsch, Phillis R.
A lecture demonstration of the plasticization of wood with liquid ammonia can be a very effective tool for teaching the alcohol structure of cellulose to any class studying basic organic chemistry.
Hirsch, Phillis R. J. Chem. Educ. 1964, 41, 605.
Carbohydrates |
Alcohols |
Molecular Properties / Structure
The geometry of giant molecules  Price, Charles C.
The author examines a variety of specific examples of natural and synthetic polymer molecules and describes how their geometric molecular arrangements influence their properties.
Price, Charles C. J. Chem. Educ. 1959, 36, 160.
Molecular Properties / Structure |
Proteins / Peptides |
Carbohydrates
The pyranose structure of glucose  Miller, S. Porter
The author argues that a good rectangle is a better representation of the pyranose structure than a poor hexagon.
Miller, S. Porter J. Chem. Educ. 1958, 35, 302.
Molecular Properties / Structure |
Carbohydrates
Schematic models of biochemical polymers  Blackwell, R. Quentin
Demonstrates the use of plastic necklace beads to represent polysaccharides, peptides and proteins, and nucleotides.
Blackwell, R. Quentin J. Chem. Educ. 1957, 34, 500.
Molecular Modeling |
Molecular Properties / Structure |
Proteins / Peptides |
Carbohydrates