1-20 of 756 Search Results for

reagents

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
The American Biology Teacher (1972) 34 (1): 23–27.
Published: 01 January 1972
...F. W. Price Copyright 1971 National Association of Biology Teachers A Versatile Copper Reagent for Sugar Chemistry Demonstrations By F. W. PRICE L aboratory experiments and demonstrations in high school and college courses in biology and bio- chemistry usually include experiments on the iden...
Journal Articles
The American Biology Teacher (1972) 34 (3): 137.
Published: 01 March 1972
...) Correction In the article "A Versatile Copper Reagent for Sugar Chemistry Demonstrations," by F. W. Price (ABT 34 [1]: 23-27) the word "ammonia" was dropped at the beginning of the section on prepar- ing the reagent. The first sentence should read as follows: "To a 5% w/v [weight per volume] aqueous solution...
Journal Articles
The American Biology Teacher (1972) 34 (1): 31–32.
Published: 01 January 1972
...; Jack E. Sadler, Brentwood, Mo.; Charles E. Sauter, Park Ridge, Ill.; Fred C. Smith, Northbrook, Ill.; and Donald L. Williams, Scotch Plains, N.J. IP-CFAA: Fixing and Preserving Reagent for the Use of Travelers Some years ago we were studying the ears of grasshoppers. We wished to collect these insects...
Journal Articles
The American Biology Teacher (2010) 72 (5): 305–307.
Published: 01 May 2010
... dilutions without using reagents, bacterial cultures, or viral cultures, while being able to visualize the process. Table 1. Record your results in the table and calculate the number of virus particles in your original sample. Sample Percentage of viruses Concentration of original...
Journal Articles
The American Biology Teacher (2020) 82 (5): 315–322.
Published: 01 May 2020
... up and running a typical gel. In its current form, this lab has been adapted for materials and reagents available upon request from MiniOne Electrophoresis Systems ( https://theminione.com ). The required fragment samples are shown in Table 1 . These are somewhat common sizes, and it may be possible...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2020) 82 (5): 279–288.
Published: 01 May 2020
... device. By tethering it to other reagents, dCas9 can be used for such things as gene regulation, genomic screening, and cell fate engineering ( Dominguez et al., 2016 ). The current and potential applications of CRISPR are both exciting and hopeful. Nonetheless, CRISPR is not yet a perfect technology...
Journal Articles
The American Biology Teacher (2020) 82 (3): 170–175.
Published: 01 March 2020
... Work The teaching team served as project facilitators and in-class consultants for the students. The teaching team (in consultation with the course instructor) made sure that the lab was stocked with the necessary reagents and that they were available to help student teams as they learned how to use...
Journal Articles
The American Biology Teacher (2019) 81 (7): 492–501.
Published: 01 September 2019
... may inhabit. Zymo clean gel DNA recovery kit (Zymo Research, cat. no. D4007) ExoSAP-IT PCR Product Cleanup Reagent (Affymetrix, cat. no. 78200) Sequence data: outsource to a DNA sequencing center (currently ~$6/reaction; e.g., Laragen...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (3): 187–192.
Published: 01 March 2019
... instructor has access to expensive spectrophotometry equipment and supplies. Additionally, the artificial substrate may be costly, particularly for a larger course. Specialized organic reagents can also necessitate special handling; for example, the U.S. Environmental Protection Agency lists guaiacol as a...
Journal Articles
The American Biology Teacher (2018) 80 (7): 536–539.
Published: 01 September 2018
... ( Guzman, 2001 ; White et al., 2014 ). In particular, molecular biology protocols rely upon precise ratios of reagents ( Lessard, 2013 ; Matsumura, 2015 ). Small deviations from these precise ratios can have a variety of detrimental consequences, all of which lead to decreased productivity and efficiency...
Journal Articles
The American Biology Teacher (2018) 80 (4): 285–289.
Published: 01 April 2018
... though a very small volume of sample is used in the lab procedure, it is important to collect a large volume in the field because the eDNA signature is very dilute. Sample processing amounts to a series of initial reagents and incubations that extract the DNA and inactivate proteins in the sample, and...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2018) 80 (4): 312–317.
Published: 01 April 2018
... days) to a final volume of 25µL. Follow the set-up of reagents listed in Table 5 with appropriate micropippetors. Use No. 5 forceps to make seven holes into Parafilm paper, and cover the Tetrahymena culture in the Eppendorf tube. Let the sample incubate for three hours. Use Tetrahymena...
Journal Articles
The American Biology Teacher (2018) 80 (3): 221–226.
Published: 01 March 2018
... understandings or most recently acquired prior knowledge, they deduced from the effect of adding the reagent, what blood type caused a positive outcome or agglutination. Thus, students had a second chance through further investigations to explore mechanisms by which certain biological processes occurred, in this...
Journal Articles
The American Biology Teacher (2018) 80 (1): 29–34.
Published: 01 January 2018
..., followed by resuspending the pellets in 20 mM Tris pH 7.5 and 150 mM NaCl. The resuspended pellets were lysed with B-PER TM bacterial protein extraction reagent (Thermo Scientific) with vigorous shaking for 30 minutes at room temperature. An aliquot of lysed cells was set aside as total protein, and the...
Includes: Supplementary data
Images
Dried Blood Spot GAA Testing Kit: (A) hole puncher, (B) dried blood spots, ...
Published: 01 August 2015
Figure 2. Dried Blood Spot GAA Testing Kit: (A) hole puncher, (B) dried blood spots, (C) reagents (CS and PEB), (D) disposable pipets, (E) GAA activity scale, (F) collection cups, (G) forceps, and (H) patient sequence. Figure 2. Dried Blood Spot GAA Testing Kit: (A) hole puncher, (B) dried More
Journal Articles
The American Biology Teacher (2017) 79 (9): 774–777.
Published: 01 November 2017
... come out (10 minutes). The following data may be used: Starch + Iodine-potassium iodide solution → Blue solution Glucose + Benedict's reagent + Heat → Yellowish-red solution 9. The students connect each part of the syringe filter activity to the part of the kidney it represents by referring...
Journal Articles
The American Biology Teacher (2017) 79 (9): 763–768.
Published: 01 November 2017
... Protocols — #1 #2 #3, 4, 5 #6 Reagents and expenses — DNeasy Blood and Tissue Kit ($3/sample) PCR primers ($15 total) HotStarTaq Master Mix ($2/sample) MinElute PCR Purification ($2.50/reaction) DNA seq. ($3–5/reaction) — Equipment — Dissecting tools Balance Vortexer Microcentrifuge...
Journal Articles
The American Biology Teacher (2017) 79 (6): 466–472.
Published: 01 August 2017
... experiments. Because many of the reagents in water quality test kits, especially the dissolved oxygen test, are toxic and/or corrosive, students should be warned of the hazards and closely supervised. Use of a dissolved oxygen meter reduces the hazards of performing the dissolved oxygen test. Instructors...
Journal Articles
The American Biology Teacher (2017) 79 (4): 301–304.
Published: 01 April 2017
... variation for experimental replicates. 12-well plates (Educational Innovations, LSP-150) agarose (Flinn Scientific, A0307) egg albumin (Flinn Scientific, A0258) distilled water graduated pipettes or micro-pipettes (500–1000 μL) test tubes (> 2mL capacity) protein assay reagent...
Journal Articles
The American Biology Teacher (2017) 79 (5): 387–392.
Published: 01 May 2017
... used Rit©) Black light (we used a black light LED bulb available at Wal-Mart) Coffee filters Urine glucose strips (Rapid Response© 2-parameter urinalysis reagent strips from Amazon.com ) Specific gravity strips (Rapid Response© 10-parameter urinalysis reagent strips from Amazon.com...