In Situ Impregnation
In Situ Impregnation - Related Videos
08:01
Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
0 Views •
Cited by 4 •
2019
In this work, we prepared an adsorbent composed of the cationic N,N-dimethylamino propylacrylamide methyl chloride quaternary (DMAPAAQ) polymer gel and iron hydroxide for adsorbing arsenic from groundwater. The gel was prepared via a novel method designed to ensure the maximum content of iron particles in its structure.
08:00
Whole-Mount In Situ Hybridization
0 Views •
2023
Whole-mount in situ hybridization (WMISH) is a common technique used for visualizing the location of expressed RNAs in embryos. In this process, synthetically produced RNA probes are first complementarily bound, or "hybridized," to the transcripts of target genes. Immunohistochemistry or fluorescence is then used to detect these RNA hybrids, revealing spatial and temporal patterns of gene expression. Unlike traditional in situ hybridization techniques, which require thin tissue sections whose...
08:55
Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
0 Views •
2018
Here, we present a protocol to describe ex situ and in situ investigations of structural transformations in metallic glasses. We employed nuclear-based analytical methods which inspect hyperfine interactions. We demonstrate the applicability of Mössbauer spectrometry and nuclear forward scattering of synchrotron radiation during temperature-driven experiments.
08:00
A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture
0 Views •
Cited by 5 •
2023
This work aims to facilitate the development of standardized techniques for impregnating or grafting aminated compounds onto silica substrates, which are often broadly described in the literature. Specific amounts of solvent, substrate, amines, and the values of other important experimental parameters will be discussed in detail.
11:26
In Situ Ca2+ Imaging of the Enteric Nervous System
0 Views •
Cited by 24 •
2015
The enteric nervous system (ENS) is a network of neurons and glia located in the gut wall that controls intestinal reflexes. This protocol describes methods for recording the activity of enteric neurons and glia in live preparations of ENS using Ca2+ imaging.
FAQs
Transport into the substrate can occur through three routes: capillary action, pressure-driven flow, or diffusion. Their common requirement is an interconnected pore network that permits the impregnating phase to reach internal regions. The selected route, together with fluid properties and processing conditions, influences how effectively the component is distributed before fixation.
Pore structure, fluid properties, and impregnation conditions jointly determine performance. The pore network controls access to internal spaces, while the impregnating fluid must be able to enter those spaces through the available transport mechanisms. Conditions during introduction and subsequent fixation affect whether the functional phase remains or solidifies where intended, making process control central to reproducible modification.
The post-impregnation fixation route determines how the introduced phase becomes stable within the substrate. Drying, gelation, polymerization, or crosslinking can convert the introduced material into a retained modification. These alternatives matter because fixation changes temporary pore filling into a stable component, supporting altered material performance while maintaining the overall processing objective.
A basic workflow begins with a porous scaffold or device, introduces the selected liquid, polymer, biomolecule, or other functional component, and allows it to enter the pore network. The impregnated material is then fixed by drying, gelation, polymerization, or crosslinking. Choosing compatible conditions is necessary to support penetration and retention within the substrate.
In bioengineering, In Situ Impregnation can modify scaffolds and medical devices while preserving their overall architecture. The impregnated phase may supply bioactive compounds, reinforce the structure, or create a cell-supportive matrix. This makes the technique useful when a device needs added biological or mechanical functionality but its established porous form should remain intact.
Compared with separate assembly, In Situ Impregnation incorporates the functional phase within an existing porous structure, avoiding the need to construct the modified material as a separately assembled component. Its value lies in combining architectural preservation with added function. The achievable result still depends on pore structure, fluid properties, and impregnation conditions.