Julius Bernd Zimmermann,Marcus Herbig
Julius Bernd Zimmermann
When it comes to moisture- or air-sensitive chemicals, often the Schlenk technique is used to achieve safe and reliable results. In this article, we present an open-source and low-cost microcontroller-based alternative for vacuum sensors fo...
Wireless trigger distribution with nanosecond jitter based on ultra-wideband transceiver modules [0.03%]
基于超宽带收发器模块的纳秒级抖动无线触发分配系统
Julius Korsimaa,Martin Weber,Edward Hæggström et al.
Julius Korsimaa et al.
Wireless sensor networks require time synchronization to operate in a coordinated manner. Synchronizing the clock of each sensor node by using a network protocol can be sufficient for millisecond accuracy, whereas precision in the range of ...
Low-cost, open-source device for applying controlled olfactory stimuli during functional magnetic resonance imaging (fMRI) of the brain [0.03%]
一种低成本开源设备 可在功能性磁共振脑成像中施加可控的嗅觉刺激
Raffaella Salama,Miguel A Rodríguez-Lázaro,Camil Castelo-Branco et al.
Raffaella Salama et al.
Using functional magnetic resonance imaging (fMRI) to assess brain activity in response to olfactory stimuli is of great biomedical and clinical interest. However, application of controlled sequences of olfactory stimuli within the setting ...
AnyBio - An easy off-the-shelf masked stereolithography bioprinter conversion combined with radical-scavenging strategies [0.03%]
AnyBio——一种即插即用的掩模立体光刻生物打印机转化技术，并结合了清除自由基策略
Maj-Britt Buchholz,Nils Bessler,Anne C Rios
Maj-Britt Buchholz
Over the last two decades 3D bioprinting has gained momentum to fabricate tissue mimicking constructs serving as tissue models, animal-free drug screening platforms and tissue replacements for regenerative medicine. Recently, the focus has ...
FreiLaser: Flexible pulse generator for laser control in optogenetic experiments [0.03%]
基于光遗传学实验的激光脉冲发生器
Artur Schneider,Ilka Diester
Artur Schneider
To facilitate optogenetic experiments in neuroscience, we designed a cost-effective (
PowderBot: An automated device for decision-making in crop breeding programs based on DNA extraction from seed powder [0.03%]
PowderBot：一种作物育种计划的决策自动化设备，基于种子粉末中的DNA提取
H Díaz,E Macea,R Escobar et al.
H Díaz et al.
This paper presents the design, construction, operation, and evaluation of PowderBot, a purpose-built, open-source, low-cost machine (∼US$ 5000) that automates DNA extraction from ungerminated seeds. The device drills into the seed cotyled...
Temperature control board design and validation for skipper-CCD sensors using a buck converter [0.03%]
用于跳跃式CCD传感器的降压转换器的温度控制板设计与验证
Marcelo Barrientos,Martin Barrientos,Jorge Rodas et al.
Marcelo Barrientos et al.
This article describes the creation and validation of a custom temperature control board explicitly designed for Skipper-CCD sensors. The board is versatile and can be used in various experimental setups. It consists of two galvanically iso...
Cost-effective and versatile Hardware-in-the-Loop system for DC/DC converter emulation in education and research [0.03%]
低成本且高度可配置的直流变换器硬件在环实验平台用于教学和科研
Alejandro Gaviria-Cano,Cristian Escudero-Quintero,Jose David López-Suárez et al.
Alejandro Gaviria-Cano et al.
This work presents a cost-effective, versatile hardware-in-the-loop (HIL) system for non-isolated DC/DC converter emulation. The system emulates five types of converters (Buck, Boost, Buck-Boost, Cuk, and SEPIC) and targets educational and ...
Development of a low-cost electrospinning system with a bidirectional collector for uniform nanofibrous membranes [0.03%]
一种用于制备均匀纳米纤维膜的低成本双向集电器电纺系统的研究与发展
Jhonatan A Gutierrez-Rivera,Andres F Roca-Arroyo,David A Castilla-Casadiego et al.
Jhonatan A Gutierrez-Rivera et al.
The electrospinning process is a widely used technique for the fabrication of membranes with nanometric fibers, employing polymeric materials such as polyvinylidene fluoride and polycaprolactone. The shape of the fiber collector, whether st...
A cost-effective and open-source near-field electrospinning system with a graphical user interface [0.03%]
一种低成本的开放式近场静电纺丝系统及其图形用户界面
Cristian Castillo-Velásquez,Carlos Fuhrhop,Mario E Flores et al.
Cristian Castillo-Velásquez et al.
Electrospinning is a versatile technique widely used in biomedicine and electronics. Here we describe the design and construction of a low-cost Near-Field Electrospinning System (NFES) using open-source technologies, including 3D printing a...