集成光学反对齐和流体控制用于多相流程辅助的现场3D打印
Guillermo Ramirez-Alvarado1, Katie Passmann1, Areli Romero-Rendon1
1Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, San Antonio, Texas, USA.
Journal of separation science
|February 12, 2026
概括
一种新的多相流动辅助3D打印方法使微流体设备内的复杂微制造成为可能. 这种技术克服了对先进的芯片实验室应用的立体石墨学限制.
科学领域:
- 微流体学 微流体学
- 添加剂制造 添加剂制造 添加剂制造
- 生物技术是生物技术.
背景情况:
- 立体石刻 (SLA) 是一种高分辨率的3D打印技术,广泛用于微流体设备和芯片上的实验室应用.
- 在多材料集成和在封闭道内制造复杂的微结构方面,SLA面临着局限性,阻碍了分析分离和组织工程等先进应用.
研究的目的:
- 介绍一种新的多相流程辅助现场3D打印方法,以克服微流体制造传统SLA的局限性.
- 为了在狭窄的微通道内实现精确,高保真,多材料的微型制造.
主要方法:
- 该方法使用水性双相系统 (ATPS) 通过流体限制来连续生成层.
- 图像引导的对齐系统与同位素转换确保精确的投影的打印模式在微通道.
- 在ATPS阶段的粘度调整允许动态控制层厚度和自适应的3D结构设计.
主要成果:
- 通过ATPS打印和阻塞阶段的粘度调整来证明层厚的动态控制.
- 使用图像导向系统实现了精确的面具对齐和高投影保真.
- 成功地在微通道中直接制造出复杂的3D微结构 (金字塔,立方体,空洞结构) 和多材料图案.
结论:
- 多相流程辅助的现场3D打印方法为在狭窄的空间中进行空间控制的高保真微型制造提供了多功能解决方案.
- 这种技术解决了微流体设备制造的关键挑战,为新的芯片实验室应用铺平了道路.
- 能够实现先进的微型制造,用于分析分离,组织工程等应用.
相关概念视频
01:26Feedback control systems
732
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
732
00:46Feedback Inhibition
57.3K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
57.3K
01:30Control of Power Flow
701
There are several methods to control power flow in power systems:
701
01:27Applications of Integration to Find Blood Flow
60
Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
60
01:01Feedback Loops
64.7K
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
64.7K
01:24Effects of feedback
1.1K
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
1.1K