Search Results for: sample
Iodine test
Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More
Biuret test
In this article we will answer the following three questions: What is a Biuret Test? What does biuret test for? What is... Read More
Sample size
sample size The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied.... Read More
Null hypothesis
Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More
Colony-forming unit
Colony Forming Unit Definition A Colony Forming Unit (CFU) in microbiology and cellular biology refers to a measure of... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Body fluid
Body Fluids Definition What is body fluid? Literally, body fluid is the fluid of the body. The adult human body is ~50-60%... Read More
Population
Living organisms typically prefer to live, grow, and survive in groups. Except for some species that prefer solitude - both... Read More
Agglutination
Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More
Absorbance
Definition noun (analytical chemistry) A logarithmic measure of the amount of light absorbed (at particular wavelength) as... Read More
Leukocytosis
What Is Leukocytosis? Leukocytosis is a condition wherein the number of White Blood Cells (WBCs) is increased above the... Read More
Phenol coefficient
Chemical disinfectants are categorized based on the power of their disinfection for microbes and viruses. Strong... Read More
Antecubital fossa
Antecubital Fossa Definition The antecubital fossa or the cubital fossa is the triangular-shaped hollow depression between... Read More
Desolvation
Definition noun The removal or dissociation of the solvent component from the particle as a method of drying a sample or... Read More
Controlled experiment
Definition noun A scientific investigation in which both the control group and experimental group(s) are kept under... Read More
Inoculation
Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Wilcoxon rank-sum test
Definition noun A non-parametric test of two samples which support exclusively on the order of observations in which the two... Read More
Species Richness
Definition noun, Pertains to a number of different species represent in a given ecological community. Supplement Species... Read More
First-order kinetics
What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More
Beer-Lambert law
Definition noun The principal law in spectrometry in which it states that the absorbance at a given wavelength of light is... Read More
Competitive binding assay
Definition An assay based on the competition between labeled and unlabeled ligand for the reactive sites of a particular... Read More
Probability
Probability DefinitionHow do you define probability? In science, probability is a measurement tool that calculates the... Read More
Contamination
Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More
Specific absorption coefficient
Definition noun A factor that measures the absorbance of light per unit of path length (of the spectrophotometer cuvette,... Read More
Autocrine signaling
Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More
Molar extinction coefficient
Definition noun (spectrophotometry) The measure of how strongly a substance absorbs light at a particular wavelength, and is... Read More
Elution volume
Definition noun (1) The volume of the eluent or buffering agent that elutes from the column of a chromatograph before a... Read More
Allotetraploid
Allotetraploid Definition An allotetraploid is an organism with four sets of chromosomes (4n). This is in contrast to the... Read More
Reducing sugar
Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More