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Related Concept Videos

Magnetic Damping01:17

Magnetic Damping

Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...
Electrical Transport01:29

Electrical Transport

The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
Types of Reversible Electrodes01:24

Types of Reversible Electrodes

For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...
Insulation Coordination01:23

Insulation Coordination

Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times for...

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Related Experiment Video

Updated: Jul 6, 2026

Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink
08:34

Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink

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Conductive/Insulating Bioinks with Multitechnology Compatibility and Adjustable Performance.

Xi Yang1,2, Yufan Zhong3, Liang Zhang4

  • 1College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China.

ACS Biomaterials Science & Engineering
|July 16, 2024
PubMed
Summary
This summary is machine-generated.

New conductive and insulating bioinks using graphene and boron nitride offer improved biocompatibility and tunable electromechanical properties for advanced additive manufacturing in biomedical applications.

Keywords:
3D printingbioelectronicsbioinkboron nitridegraphene

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Additive Manufacturing

Background:

  • Conductive/insulating inks are crucial for additive manufacturing but often lack biocompatibility and present trade-offs between conductivity and mechanical properties.
  • Existing bioinks face limitations in achieving desired electromechanical performance under physiological conditions.

Purpose of the Study:

  • To develop novel conductive and insulating bioinks utilizing two-dimensional materials for enhanced biomedical applications.
  • To achieve precise control over electromechanical properties through material ratio optimization.

Main Methods:

  • Synthesized a conductive bioink by incorporating graphene (GR) into poly(lactic-co-glycolic acid) (PLGA).
  • Developed an insulating bioink by combining boron nitride (BN) with PLGA.
  • Optimized material ratios to tailor the electromechanical characteristics of the bioinks.

Main Results:

  • The developed bioinks demonstrate tunable conductivity and mechanical stiffness.
  • Graphene-PLGA and Boron Nitride-PLGA bioinks exhibit good biocompatibility.
  • Bioinks are compatible with multiple fabrication techniques including 3D printing and electrospinning.

Conclusions:

  • The novel graphene and boron nitride-based bioinks offer a promising platform for creating customized conductive networks.
  • These bioinks present improved mechanical, electronic, and biological properties for emerging biomedical applications.
  • The versatility in manufacturing compatibility broadens their potential use in regenerative medicine and tissue engineering.