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Related Concept Videos

Communication01:03

Communication

Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
Communication01:28

Communication

Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
Within...
Therapeutic Communication01:30

Therapeutic Communication

Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
Verbal communication depends on language or a prescribed way of using words so that people can share information effectively. The critical aspects of verbal...
Small interfering RNAs (siRNA)02:30

Small interfering RNAs (siRNA)

Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the ATP-dependent...
Barriers to Effective Communication II01:21

Barriers to Effective Communication II

The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
Paracrine Signaling01:21

Paracrine Signaling

Paracrine signaling allows cells to communicate with their immediate neighbors via secretion of signaling molecules. Such a signal can only trigger a response in nearby target cells because the signal molecules degrade quickly or are inactivated if not taken up. Prominent examples of paracrine signaling include nitric oxide signaling in blood vessels, synaptic signaling of neurons, the blood clotting system, tissue repair/wound healing, and local allergic skin reactions. Nitric oxide as a...

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Related Experiment Video

Updated: Jun 28, 2026

Single-cell Microinjection for Cell Communication Analysis
09:59

Single-cell Microinjection for Cell Communication Analysis

Published on: February 26, 2017

Short communications.

A S Khan1, A Chow

  • 1Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada.

Talanta
|March 1, 1985
PubMed
Summary
This summary is machine-generated.

This study presents a new method for determining phosphate levels using polyurethane foam preconcentration and X-ray fluorescence. The technique offers high precision and a low detection limit for accurate phosphate analysis.

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Area of Science:

  • Analytical Chemistry
  • Environmental Science

Background:

  • Accurate phosphate determination is crucial for environmental monitoring and water quality assessment.
  • Traditional methods for phosphate analysis can be time-consuming and lack sensitivity.

Purpose of the Study:

  • To develop a sensitive and selective method for the indirect determination of phosphate.
  • To utilize preconcentration on polyurethane foam coupled with X-ray fluorescence spectrometry.

Main Methods:

  • Phosphate was preconcentrated as molybdoantimonylphosphoric acid on polyurethane foam.
  • Antimony was measured using X-ray fluorescence (XRF) for indirect phosphate quantification.
  • Optimized extraction conditions (pH 1-3.6) and interference studies (silicate) were performed.

Main Results:

  • The method demonstrated optimal extraction efficiency between pH 1 and 3.6.
  • No interference was observed from silicate, indicating high selectivity.
  • Achieved a precision of 5% relative standard deviation (RSD) at 0.25 µg/mL phosphate.
  • Established a detection limit of 20 ng/mL for a 100 mL sample volume.

Conclusions:

  • The combined preconcentration and XRF method provides a sensitive and reliable approach for phosphate determination.
  • This technique is suitable for analyzing phosphate in samples where low concentrations are expected.
  • The method's robustness against silicate interference enhances its applicability in complex matrices.