Stool Collection
Stool Collection - Related Videos
15:16
Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR
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Cited by 13 •
2012
A One-Step RT-PCR assay for detection and genogroup identification of Norovirus isolates from children’s stools, that utilizes primers and TaqMan probes specific to the open reading frame 1 (ORF1)-ORF2 junction region, the most conserved region of the Norovirus genome is described. A non-commercial, cost-effective RNA extraction method is detailed.
03:46
Stool Microbial DNA Isolation: Studying the Effect of Environmental Enrichment on Microbiome Diversity in Murine Tumor Model
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2023
This video describes DNA isolation protocol from stool samples of colon tumor-bearing mice. The extracted DNA is amplified using PCR, and the product is further cleaned using a magnetic beads-based approach. This method can be used to determine the effect of environmental enrichment on colon microbiota and animal mortality.
01:30
Serum Laboratory Studies, Stool Test, Breath Test
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2025
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
08:23
Seawater Sampling and Collection
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Cited by 13 •
2009
This video documents methods for collecting coastal marine water samples and processing them for various downstream applications including biomass concentration, nucleic acid purification, cell abundance, nutrient and trace gas analyses.
01:29
Data Collection II
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2023
The nursing history captures and records the patient's health status, so that a care plan evolves to meet the patient's individual needs. The nursing health history is a part of the initial assessment. A comprehensive history covers all health dimensions and plays a significant role in the assessment process. A comprehensive history includes the patient's biographical information, reasons for seeking health care, expectations, present and past health history, medications, and family,...
FAQs
Contamination control helps ensure that detected microbial, cellular, genetic, and chemical signals originate from the participant’s fecal material rather than from external sources. Using a clean container and consistent handling reduces unwanted variation between samples. This improves confidence that differences in microbiome composition, metabolites, or candidate biomarkers reflect biological conditions relevant to cancer rather than collection artifacts.
Standardized collection and preservation procedures make samples more comparable across participants and study time points. When handling and storage are applied consistently, researchers can better distinguish meaningful differences in microbial composition, metabolites, or other biological components from variation caused by sample processing. This consistency strengthens analyses of cancer risk, treatment response, and disease progression.
A collected stool sample can support analysis of several biological dimensions, including gut microbiome composition, metabolites, cellular material, and genetic components. Examining these signals separately or together allows researchers to investigate how intestinal biology may relate to tumor development and therapeutic outcomes. The resulting measurements can also contribute to the evaluation of potential cancer-associated biomarkers.
The workflow begins with obtaining the sample in a clean, contamination-free container. Researchers then apply consistent handling procedures and place the material under appropriate storage conditions to help preserve its biological components. Maintaining the same approach across participants supports reliable downstream analysis and limits differences caused by collection or preservation rather than by the biology under study.
Researchers may collect stool when they need a noninvasive sample for studying cancer risk, treatment response, or disease progression. The material can be used to characterize the gut microbiome, measure metabolites, and search for biomarkers associated with these outcomes. This approach is particularly useful for investigating relationships between intestinal biology, tumor development, and therapeutic effects.
Analysis of stool provides measurements of intestinal microbial composition and chemical activity, including metabolites, alongside cellular and genetic information. Researchers can compare these features with cancer-related outcomes to examine associations with risk, progression, or response to therapy. Such comparisons help characterize interactions between the intestinal environment and tumor biology without relying solely on invasive sampling.