Syringe Pump Etching
Syringe Pump Etching - Related Videos
09:08
Three-dimensional Printing of Thermoplastic Materials to Create Automated Syringe Pumps with Feedback Control for Microfluidic Applications
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Cited by 3 •
2018
Here we present a protocol to construct a pressure-controlled syringe pump to be used in microfluidic applications. This syringe pump is made from an additively manufactured body, off-the-shelf hardware, and open-source electronics. The resulting system is low-cost, straightforward to build, and delivers well-regulated fluid flow to enable rapid microfluidic research.
11:17
Fundamental Technical Elements of Freeze-fracture/Freeze-etch in Biological Electron Microscopy
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Cited by 6 •
2014
Basic techniques and refinements of freeze-fracture processing of biological specimens and nanomaterials for examination by transmission electron microscopy are described. This technique is a preferred method for revealing ultrastructural features and specializations of biological membranes and for obtaining ultrastructural level dimensional and spatial data in materials sciences and nanotechnology products.
06:58
Electrochemical Etching and Characterization of Sharp Field Emission Points for Electron Impact Ionization
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2016
A method for electrochemically etching field emission tips is presented. Etching parameters are characterized and the operation of the tips in field emission mode is investigated.
01:30
ATP Driven Pumps III: V-type Pumps
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2023
V-type pumps are ATP-driven pumps found in the vacuolar membranes of plants, yeast, endosomal and lysosomal membranes of animal cells, plasma membranes of a few specialized eukaryotic cells, and some prokaryotes. They are also known as the V1Vo-ATPase, that couple ATP hydrolysis to transport protons against a concentration gradient. The peripheral or cytosolic V1 domain with eight subunits is involved in ATP hydrolysis. The integral or transmembrane V0 domain containing at least five subunits...
14:58
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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Cited by 17 •
2015
The fabrication process and experimental characterization techniques relevant to single-electron pumps based on silicon metal-oxide-semiconductor quantum dots are discussed.
FAQs
The pumping rate determines how quickly etchant reaches the substrate and helps control the amount of solution delivered during treatment. A defined rate can reduce fluctuations in fluid exposure compared with manual handling, supporting more consistent material removal. Researchers can adjust this parameter alongside etchant concentration and treatment duration when optimizing surface modification or feature formation.
Etchant concentration and treatment duration influence the extent of reaction with exposed regions. Changing either variable can alter how much material is removed during a controlled delivery cycle. Evaluating concentration, pumping rate, and duration together helps researchers identify conditions that produce the desired surface change or feature while maintaining repeatability in engineering fabrication.
Selective dissolution allows the etchant to react with and remove exposed regions while leaving other areas less affected under the chosen conditions. This behavior is important for creating localized surface modifications and engineered features rather than removing material indiscriminately. Controlled delivery supports this mechanism by regulating reagent exposure and limiting flow variability during processing.
The main distinction is control over reagent delivery. Manual handling can introduce variation in the volume and flow of etchant reaching a component, whereas a syringe pump provides a defined delivery rate. This added control can improve process reproducibility and gives researchers a more systematic way to study how pumping conditions influence material removal.
Researchers should establish the etchant concentration, syringe pump delivery rate, and treatment duration before processing the substrate or component. These variables determine reagent exposure and provide the basis for comparing results between trials. Keeping the selected conditions defined makes it easier to evaluate surface modification, feature formation, and the repeatability of material removal.
The technique is useful when fabrication requires controlled surface modification or formation of features and when consistent reagent volume matters. Its controlled delivery is relevant to microfabrication and other specialized manufacturing applications in which flow variability could affect results. Reproducible processing also helps researchers optimize conditions for a particular substrate or component.