Urine Spot Analysis

Urine spot analysis is the systematic examination of urine deposits to assess behavior, communication, and physiological state. Researchers record where and when spots occur, then evaluate their frequency, distribution, and, when needed, chemical composition to identify marking patterns and responses to social or environmental conditions. In behavioral research, these observations can reveal territorial marking, mate competition, stress-related changes, and social recognition without relying solely on direct observation. Combining spatial records with chemical or hormonal measurements strengthens interpretation and can clarify how animals use urine as a source of information in natural and experimental settings.

Urine Spot Analysis - Related Videos

Research

JoVE Journal - Cancer Research

Cell-Free DNA Integrity Analysis in Urine Samples

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Cited by 16 •

2017

A method for analyzing DNA integrity in the cell-free supernatant fraction of urine samples is proposed. The method is suitable for early detection of urological malignancies and has proven accurate for the early diagnosis of bladder cancer.

Education

JoVE Core - Biology

Filtration and Urine Formation

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2019

The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys. Blood enters the renal...

Assays for Qualitative and Quantitative Assessment of Mouse Urine Glucose Concentrations

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2026

Source:Tumininu S. Faniyan1, Dennis J. Samuel1, Kavaljit Chhabra11University of Rochester Medical Center.This video demonstrates a procedure for collecting mouse urine and assessing its glucose levels. To evaluate the glucose level, immerse a test strip coated with enzymes and a chromogenic dye into the sample, initiating a color change that indicates the glucose levels. For quantifying urine glucose levels, introduce a urine sample to a multiwell plate with escalating glucose concentrations,...

Urine Studies II: Urine Culture and Sensitivity Test

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2025

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...

Finding Your Blind Spot and Perceptual Filling-in

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2023

Source: Laboratory of Jonathan Flombaum—Johns Hopkins University In the back of everyone's eye is a small piece of neural tissue called the retina. The retina has photosensitive cells that respond to stimulation by light. The responses of these cells are sent into the brain through the optic nerve, a bundle of neural fibers. In each retina there is a place somewhere in the periphery where the outputs from retinal cells collect and the bundled optic nerve exits to the brain. At that location,...

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