Doctor Blading
Doctor Blading - Related Videos
10:07
Using Learning Outcome Measures to assess Doctoral Nursing Education
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Cited by 2 •
2010
The structure and process for measuring student learning outcomes through customizable assessment rubrics is discussed and applied to a doctoral nursing education program.
11:37
Propeller Characterization: Variations in Pitch, Diameter, and Blade Number on Performance
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2023
Source: Shreyas Narsipur, Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC A propeller is a twisted airfoil, where the angle of the chord changes with respect to the location, along the radial station, as shown in Figure 1. Propellers are widely used in aircraft and watercraft propulsion systems thereby necessitating detailed characterizations of propellers to design high performance vehicles. Figure 1. Chord, thickness, and pitch at a radial station. One of...
08:19
Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells
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Cited by 7 •
2016
This paper investigates the suitability of inkjet printing for the manufacturing of dye-sensitized solar cells. A binder-free TiO2 nanoparticle ink was formulated and printed onto a FTO glass substrate. The printed layer was fabricated into a cell with an active area of 0.25 cm2 and an efficiency of 3.5%.
10:03
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Cited by 9 •
2013
We describe the use of synchrotron X-ray absorption spectroscopy (XAS) and X-ray diffraction (XRD) techniques to probe details of intercalation/deintercalation processes in electrode materials for Li-ion and Na-ion batteries. Both in situ and ex situ experiments are used to understand structural behavior relevant to the operation of...
35:03
Mental Status Examination
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2023
Source: Carmen Black, Matthew Goldenberg, and Jaideep Talwalkar; Yale School of Medicine The mental status exam is a clinical evaluation of emotional, perceptual, and cognitive functioning that spans both the fields of psychiatry and neurology. Developing skill in the psychiatric portions of the examination are important to describe salient aspects of the patient's mental state that may be observed during routine history and/or physical exam. Proficiency in the cognitive portions of this...
FAQs
Blade gap and viscosity jointly determine how much liquid or slurry remains on the substrate during the pass. A defined gap limits the available coating space, while viscosity affects how readily the material flows and distributes beneath the blade. Controlling both variables helps produce a more predictable layer thickness, which is important when researchers compare biological surfaces or device designs.
Movement speed influences how quickly material is distributed across the substrate, while surface tension affects how the liquid spreads and maintains continuity at the coating surface. These variables work with blade gap and viscosity rather than acting independently. Their combined control helps reduce uneven material distribution and supports reproducible preparation of films or functional layers for biological studies.
Drying or curing stabilizes the deposited coating after the blade has distributed the material. This post-coating step converts the initially mobile layer into a more stable film or surface structure, allowing its distribution to be examined or used in later experiments. The resulting coating structure can influence how cells attach and grow, as well as how a biosensor performs.
Reproducible distribution makes it easier to attribute differences in biological behavior or device performance to the intended material or design variable rather than to inconsistent coating coverage. With controlled layer formation, researchers can investigate relationships between coating structure and outcomes such as cell attachment, cell growth, or functional-surface behavior across comparable samples.
A typical workflow places the selected liquid or slurry on a flat substrate, establishes a defined blade gap, and moves the blade across the surface at a controlled speed. The resulting layer is then dried or cured to stabilize it. Researchers can subsequently evaluate the coating’s distribution or use the prepared surface in biological and bioengineering experiments.
In biology and bioengineering, Doctor Blading can support fabrication of biomaterial films, tissue-engineering scaffolds, biosensor layers, and other functional surfaces. These applications use the method’s ability to distribute material across a flat substrate in a controlled way. The same basic approach can therefore support both biological-material development and preparation of surfaces intended for sensing or cellular studies.
The method allows researchers to prepare coatings whose material distribution and layer structure can be controlled and compared. Those surfaces can then be examined for their effects on cell attachment and growth. This connects a controllable fabrication step with biological outcomes, helping investigators explore how coating structure contributes to the behavior of cells on biomaterials or tissue-engineering scaffolds.