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Related Concept Videos

Wood Surfacing01:14

Wood Surfacing

342
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
342
Wood Fasteners01:18

Wood Fasteners

356
In wood construction, fasteners are essential for securing components together, with the connection strength largely dependent on the direct bearing between members. Various types of fasteners are employed, each suited to specific applications and structural requirements.
Nails are the most common fasteners, consisting of sharp-pointed metal pins that are driven into wood using a hammer or a mechanical nail gun. They come in a variety of diameters, heads, and lengths. Nailing techniques include...
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Introduction to Wood01:19

Introduction to Wood

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Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
756
Seasoning of Wood01:15

Seasoning of Wood

472
Seasoning of wood is a crucial process aimed at reducing and stabilizing the moisture content within the wood to prevent future shrinkage, structural damage, or aesthetic issues once the wood is used in construction. Wood naturally swells when it absorbs moisture and contracts as it dries.
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
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Wood Products01:21

Wood Products

295
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
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Wood Panel Products01:18

Wood Panel Products

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Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
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Fabrication and Design of Wood-Based High-Performance Composites
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Fabrication and Design of Wood-Based High-Performance Composites

Published on: November 9, 2019

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Wood Microfluidics.

Abhay Andar1, Md-Sadique Hasan1, Venkatesh Srinivasan1

  • 1Center for Advanced Sensor Technology, Department of Chemical, Biochemical and Environmental Engineering , University of Maryland , Baltimore County, 1000 Hilltop Circle , Baltimore , Maryland 21250 , United States.

Analytical Chemistry
|July 31, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed wood-based microfluidic devices as a sustainable alternative to single-use plastics. These biodegradable devices offer comparable performance for point-of-care applications, reducing plastic waste.

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Area of Science:

  • Materials Science
  • Biotechnology
  • Environmental Science

Background:

  • Single-use plastics cause significant environmental pollution, leading to bans on their use.
  • There is a growing need for sustainable, biodegradable alternatives in microfluidic devices, especially for point-of-care applications.

Purpose of the Study:

  • To fabricate and demonstrate the adaptability of wood-based microfluidic devices for single-use, point-of-care (POC) applications.
  • To present a cost-effective and environmentally friendly alternative to conventional plastic microfluidic devices.

Main Methods:

  • Utilized laser engraving and traditional mechanical methods for wood device fabrication.
  • Applied specific surface coatings to mitigate the wicking effect inherent in wood materials.
  • Adapted devices for surface plasmon coupled enhancement (SPCE) of fluorescence, microfluidic channel mixing, and microbial contamination detection.

Main Results:

  • Wood-based microfluidic devices were successfully fabricated using renewable materials.
  • Demonstrated versatility in applications including protein detection (GFP, G-CSF), channel mixing, and microbial detection.
  • Performance of wood devices was comparable to or exceeded that of traditional plastic devices.

Conclusions:

  • Wood-based microfluidic devices offer a viable, sustainable alternative to plastic devices for POC applications.
  • These devices address the environmental concerns associated with nonbiodegradable plastics while maintaining functional performance.
  • The study provides a proof of concept for utilizing wooden platforms in microfluidics for diagnostics and analysis.