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All contributors in Scientific Research Methods
Nov 4, 2009
Thin-Layer Chromatography, Drug Identifications
TLC, thin-layer chromatography, is a procedure of chemistry that can identify over 700 types of biochemicals, including significant medical drugs of legal importance. more...
Oct 19, 2009
Placebos, Effects, What They are, How They Work
The history of medicine is awash with drug trials and procedures that failed in well-controlled experiments. Controls are basic and essential for validation of science. more...
Oct 8, 2009
Column Chromatography for Molecular Separations
Biochemistry advances with its technology. The ability to discover compounds, and test and evaluate substances enables scientists to advance medicine and therapies. more...
Oct 4, 2009
Coffee Filter Chromatography of Plant Pigments
Plant leaves contain pigments important for photosynthesis and cell protection. Chromatography experiments with leaf extracts clearly reveal chlorophyll and carotenoids. more...
Paper Chromatography Basic Principles and Facts
Paper chromatography, even today, has useful application for scientific investigations, and it reveals how chemists can separate and identify specific chemical compounds. more...
Sep 13, 2009
Centrifuge, Ultracentrifuge Methods and Theory
Round and round they spin, those centrifuges, creating high g-forces as they work and - under the right conditions - molecules and organelles separate and layer within. more...
Sep 12, 2009
Fraunhofer Lines, the Sun, Elements and Universe
Understanding the sun, solar systems, and the universe is a constant and intense quest of astronomers. Spectroscopes and Fraunhofer's lines reveal the universal elements. more...
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Nov 3, 2009
Tickling in the Laboratory
By: Jeffrey Willett
Natural tickling cannot be duplicated in the laboratory. As a result, research on tickling has been limited by the experimental methods chosen. more...
Hypothesis Testing Explained Simply
By: Martin Bell
Hypothesis Testing is used to check whether there is or is not likely to be a difference between one or more data sets. It is the cornerstone of all statistical testing. more...
Sep 15, 2009
Persuasive Research Uses a Triangular Approach
By: Marc Latham
When you get a writing job that needs to be researched it is best to include more than one method of data analysis. This article provides an overview of good practice. more...
Sep 1, 2009
How DNA Sequencing Began
By: Kenneth Rosen
Techniques that allowed for the rapid determination of the order of the nucleotide bases in a molecule of DNA started a new era in scientific research. more...
Aug 27, 2009
Occam's Razor and Scientific Certainty
By: George Garza
The simpler the explanation the better. This theory is otherwise know as KISS. It is also the basis of Occam's razor. This is a theory about evidence and method. more...
Aug 11, 2009
How to Measure Osmolarity
By: Sarah Mikula
Harness the power of water pressure by learning to calculate molecular content. more...
Aug 2, 2009
How to Perform a t-Test in Matlab
Matlab is one of the most popular, powerful statistical software programs available. Running a basic t-test in Matlab helps determine significance between groups. more...
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