Related Experiment Video
Updated: Feb 1, 2026

08:10
Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients
Published on: December 14, 2015
11.8K
Correction to: Morphogen Gradients
1Integrated Microscopy Core, Baylor College of Medicine, Houston, TX, USA.
Methods in Molecular Biology (Clifton, N.J.)
|December 8, 2018
Summary
A book
Area of Science:
- Scientific Publishing
- Technical Corrections
Background:
- A published book contained an error in Figure 1, Chapter 1.
- The figure was stretched, impacting its visual accuracy.
Purpose of the Study:
- To address and rectify errors in a published scientific book.
- To ensure the accuracy and integrity of published scientific content.
Main Methods:
- Identification of a visual error in Chapter 1, Figure 1.
- Correction of the stretched image configuration.
Main Results:
- The misconfiguration of Figure 1 in Chapter 1 has been successfully modified.
- The corrected figure is now accurately presented.
Conclusions:
- The identified error in the book's publication has been resolved.
- Ensuring accuracy in scientific publications is crucial for knowledge dissemination.
Related Concept Videos
What is an Electrochemical Gradient?
127.8K
Adenosine triphosphate, or ATP, is considered the primary energy source in cells. However, energy can also be stored in the electrochemical gradient of an ion across the plasma membrane, which is determined by two factors: its chemical and electrical gradients.
The chemical gradient relies on differences in the abundance of a substance on the outside versus the inside of a cell and flows from areas of high to low ion concentration. In contrast, the electrical gradient revolves around an...
The chemical gradient relies on differences in the abundance of a substance on the outside versus the inside of a cell and flows from areas of high to low ion concentration. In contrast, the electrical gradient revolves around an...
127.8K
Distance Corrections
290
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
290
Power Factor Correction
540
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
540
NMR Spectrometers: Resolution and Error Correction
1.1K
When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
1.1K
Energy Line and Hydraulic Gradient Line
2.3K
Based on Bernoulli's equation, the energy line (EL) and hydraulic grade line (HGL) provide graphical representations of energy distribution in a fluid flow system. For steady, incompressible, inviscid flows, Bernoulli's equation is expressed as:
2.3K
Gradient and Del Operator
4.5K
In mathematics and physics, the gradient and del operator are fundamental concepts used to describe the behavior of functions and fields in space. The gradient is a mathematical operator that gives both the magnitude and direction of the maximum spatial rate of change. Consider a person standing on a mountain. The slope of the mountain at any given point is not defined unless it is quantified in a particular direction. For this reason, a "directional derivative" is defined, which is a vector...
4.5K

