An LED-based multi-sample absorbance spectrophotometer for chemistry and biochemistry [0.03%]
一种基于LED的多样品吸光度分光光度计用于化学和生物化学
David P Goldenberg
David P Goldenberg
The instrument described in this article measures the absorbance of visible light (with wavelengths in the range of approximately 400 to 650 nm) by liquid samples, a method widely used for determining solute concentrations. To minimize the ...
Emmanuel Deleon,Ansley J Brown,Jakob Ladow et al.
Emmanuel Deleon et al.
Water quality management is a critical environmental challenge for water resource managers in agriculture and other sectors due to pollution from contaminants like nitrogen and phosphorus. This pollution degrades ecosystems in waterways wor...
Real-time converter of intermittent-scanned glucose sensors to continuous glucose monitors with potential future applications for insulin delivery [0.03%]
实时转换间歇性扫描葡萄糖传感器到连续葡萄糖监测仪并用于将来胰岛素输送的潜在应用
Pablo S Rivadeneira,Alejandro Mira
Pablo S Rivadeneira
This paper presents the development of a transmitter that transforms intermittent glucose sensors (isCGM) into a continuous and real-time glucose monitoring system (c-rtCGM), a key component in automated insulin delivery systems. The transm...
LevelWAN: a cost-effective, open-source IoT system for water level monitoring in highly dynamic aquatic environments [0.03%]
基于开源物联网的水准监测系统_levelwan
Ilane Cherif,Frédéric Cherqui,Franck Perret et al.
Ilane Cherif et al.
The deployment of low-cost network sensors (LCNS) for environmental monitoring has become increasingly prevalent in recent years, offering a cost-effective solution for enhancing spatial sensor coverage while minimizing financial constraint...
Laurens Parret,Kenneth Simoens,Jo De Vrieze et al.
Laurens Parret et al.
The BIO-SPEC is an open-source, cost-effective, and modular bench-top bioreactor system designed for batch, sequencing batch, and chemostat cultivation. Featuring thermoelectric condensers to eliminate the need for a chiller, it ensures sta...
Tool changing and tool sharing system for interconnected multi-material direct ink write 3D printers [0.03%]
互联多材料直写式3D打印机的换枪和共享系统研究
James P Verheyden,Bryce Huffaker,Max J Sevcik et al.
James P Verheyden et al.
Direct ink write (DIW) is a material extrusion additive manufacturing technique where a flowable liquid or semi-solid ink is selectively deposited through a nozzle onto a build surface. DIW can be leveraged to print a wide range of multi-ma...
Fluid interaction study: Hydrodynamic robot (FISHR) - Expansion of bioinspired soft robotic fish [0.03%]
流体相互作用研究：水动力机器人（鱼形软体机器人）- 向受生物启发的鱼形软体机器人的扩展研究
Montana Ligman,Kioumars A Rezaie,Ramya Shah et al.
Montana Ligman et al.
We introduce an enhanced iteration of OpenFish, a previously developed open-source soft robotic fish. The original model, developed at Delft University of Technology, successfully emulated thunniform swimming through a unique propulsion sys...
OpenThruster: An open-source, mostly 3D-printed thruster for marine vehicles [0.03%]
开放式喷水推进器：一种开源的、可适用于海洋航行器的几乎全部采用3D打印的喷水推进器
Milind Fernandes,Soumya Ranjan Sahoo,Mangal Kothari
Milind Fernandes
Thrusters are essential components of marine robotic vehicles for surface or underwater use. However, their high cost often makes them inaccessible to hobbyists, early-career researchers, and citizen scientists. With advancements in 3D prin...
Design, assembly, and tuning of a multipurpose FPV drone: A flexible and low-cost alternative [0.03%]
一款多功能FPV无人机的设计、组装与调试：一种灵活且低成本的方案
Franco Alessandro Arenas Mamani,Gustavo Bryam Capira Malcoaccha,Marco Antonio Blanco Quicaño et al.
Franco Alessandro Arenas Mamani et al.
This article details the design, assembly, and tuning of a multipurpose FPV (First Person View) drone designed as a budget-friendly and customizable alternative to professional-grade drone model. Built with a focus on performance, adaptabil...
A float-controlled self-contained laser gauge for monitoring river levels in tropical environments [0.03%]
一种用于热带环境中监测河流水位的自包含激光仪
Alain Pierret,Norbert Silvera,Keo Oudone Latsachack et al.
Alain Pierret et al.
In this paper we present the design, construction and performance of a self-contained float-controlled water level gauge for monitoring water levels in streams and small rivers. This device is inexpensive (cost of about EUR 220), easy to bu...