autoradiograph

Thân thiện

A scientist examines an autoradiograph in the laboratory.

Definition

Noun: A photographic image produced on a film or plate by the radiation emitted from a radioactive substance within the specimen itself. It is a technique used to visualize the distribution of radioactive material, often in biological or medical research.

Usage

The word "autoradiograph" is used as a countable noun to refer to the specific photographic record or image. It is a technical term primarily used in scientific contexts such as molecular biology, biochemistry, and medical imaging.

Examples

• The scientist analyzed the autoradiograph to locate the radioactive tracer in the tissue sample.
• A clear autoradiograph was obtained, showing the precise binding sites of the labeled DNA probe.
• The study included an autoradiograph of the protein blot in its results section.

Advanced Usage

• As a compound subject/object: The term is often used with other technical nouns to specify the type of sample or technique (e.g., "gel autoradiograph," "whole-body autoradiograph").
  • The gel autoradiograph confirmed the presence of the specific mRNA sequence.

Variants and Related Words

• Autoradiography (noun): The technique or process of making autoradiographs.
  • Autoradiography is a powerful tool for studying metabolic pathways.
• Autoradiographic (adjective): Relating to or involving autoradiography.
  • The autoradiographic data supported the hypothesis.

Synonyms

• Radioautograph (noun): A less common synonym with the same meaning.

Notes on Meaning

The term specifically denotes the final photographic image or record. The process of creating it is "autoradiography," and the act of exposing the film is often described as "autoradiographed" (e.g., "The membrane was autoradiographed for 24 hours").

Học thuật

Noun

1. a radiogram produced by radiation emitted by the specimen being photographed