Base Preparation
Base Preparation - Related Videos
02:31
Sample Preparation for Luciferase-Based Viral Quantification
0 Views •
2026
Source: Garcia, V., et al. High-throughput Titration of Luciferase-expressing Recombinant Viruses. J. Vis. Exp. (91), e51890, doi:10.3791/51890 (2014).This video demonstrates the preparation of cell culture samples to assess viral load using a luciferase-based assay. It outlines the process of infecting epithelial cells with a genetically modified virus, transferring viral supernatants and standards into assay wells, and promoting viral entry through centrifugation and incubation. The...
08:09
Preparation and Testing of Plant Seed Meal-based Wood Adhesives
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Cited by 15 •
2015
To facilitate the effort in seeking more economic and environment-friendly formulations of natural product-based wood adhesives, this work demonstrates the preparation and testing of plant seed-based wood adhesives. This protocol allows one to assess plant seed-based agricultural products as suitable candidates for the substitution of synthetic-based wood adhesives.
11:01
Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase
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Cited by 3 •
2016
Here, we describe the preparation and use of an activity-based probe (ARN14686, undec-10-ynyl-N-[(3S)-2-oxoazetidin-3-yl]carbamate) that allows for the detection and quantification of the active form of the proinflammatory enzyme N-acylethanolamine acid amidase (NAAA), both in vitro and ex vivo.
09:20
Microhoneycomb Monoliths Prepared by the Unidirectional Freeze-drying of Cellulose Nanofiber Based Sols: Method and Extensions
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Cited by 5 •
2018
Here, we present a general protocol to prepare a variety of microhoneycomb monoliths (MHMs) in which fluid can pass through with an extremely low pressure drop. MHMs obtained are expected to be used as filters, catalyst supports, flow-type electrodes, sensors and scaffolds for biomaterials.
04:26
Agarose-Based Preparation of Human Precision-Cut Lung Slices
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2025
In this video, we describe a procedure to inflate isolated human lungs with agarose and prepare human precision-cut lung slices. The prepared ex vivo lung slices can be used for further immunologic experiments.
FAQs
Its main structural effect is to create a stronger, more uniform supporting layer so applied loads transfer more efficiently into the ground. Clearing, grading, placement of suitable soil or aggregate, and compaction help limit weak or variable zones that could deform unevenly. This reduces the likelihood of settlement-related cracking, loss of serviceability, and premature damage.
Water conditions influence the stability and performance of the prepared layer. Moisture control helps engineers achieve the intended condition during placement and compaction, while adequate drainage limits water-related damage during service. Together, these measures help preserve strength and uniformity and reduce risks associated with erosion, cracking, and deterioration beneath the constructed system.
Engineers select suitable soil or aggregate and then compact the placed material to achieve the required strength and uniformity. Material testing supports the selection process, while field quality control checks whether the installed layer meets project requirements. If either selection or compaction is inadequate, the supporting system may experience uneven performance, settlement, or reduced durability.
Site investigation provides the information needed to select appropriate preparation methods for the ground and the intended construction. Engineers combine those findings with material testing and project performance requirements to determine whether soil or aggregate placement, grading, moisture control, and compaction are appropriate. This planning connects subsurface conditions with expected load support, drainage, and durability.
A typical sequence begins with site clearing and grading, followed by moisture control and placement of suitable soil or aggregate. The placed material is then compacted, and field quality control verifies the resulting condition. Although the exact approach depends on site and project requirements, maintaining this sequence helps produce a supporting layer with the intended strength, uniformity, and drainage.
Engineers apply these practices beneath structures, pavements, foundations, and other constructed systems. The prepared support layer can improve load transfer and help control settlement, erosion, cracking, and water-related damage. Because preparation affects safety, durability, and cost-effectiveness, engineers treat it as an important part of infrastructure and construction planning rather than as a minor preliminary task.