快速响应的非接触式灵活湿度传感器,基于直接写字的打印,用于呼吸监测
Xiaojun Chen1, Kanglin Ma1, Jialin Ou1
1School of Mechanical and Electronic Engineering, Lingnan Normal University, Zhanjiang 524048, China.
Biosensors
|August 25, 2023
概括
这项研究引入了一种新的灵活湿度传感器,用于有效的呼吸监测. 该传感器具有高灵敏度,快速响应和出色的稳定性,有助于诊断和治疗呼吸系统疾病.
科学领域:
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
- 传感器技术 传感器技术
背景情况:
- 呼吸系统监测对于诊断肺炎和支气管炎等呼吸系统疾病至关重要.
- 现有的湿度传感器在实现最佳灵敏度,检测范围和响应速度方面面临着挑战.
- 开发先进的传感器对于改善呼吸系统健康评估至关重要.
研究的目的:
- 开发一种灵活的双层湿度传感器,使用PDMS基板和GNP/MWCNT复合材料.
- 评估传感器的性能特征,包括灵敏度,检测范围,响应/恢复时间和稳定性.
- 探索这种传感器在临床和家庭呼吸监测中的潜在应用.
主要方法:
- 制造一个双层湿度传感器,使用聚甲基 (PDMS) 作为基板.
- 使用金纳米粒子 (GNP) /多层碳纳米管 (MWCNT) 复合物作为传感元件.
- 传感器性能的表征,包括灵敏度,检测范围,响应和恢复时间,以及通过重复循环的长期稳定性.
主要成果:
- 开发的传感器实现了高灵敏度 (1.4 RH-1) 和广泛的检测范围 (20-90%相对湿度).
- 呈现出超快速响应 (0.35秒) 和恢复 (2.5秒) 的时间.
- 经过500个周期的高重复性,良好的长期稳定性和出色的灵活性.
结论:
- 灵活的GNP/MWCNT湿度传感器为呼吸监测提供了卓越的性能.
- 它的特性使其适合实时临床和家庭医疗保健应用.
- 这种传感器代表了呼吸道湿度水平的非侵入性监测,用于疾病诊断和管理的重大进步.
相关概念视频
Equipments Used to Measure Body Temperature
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Temperature Measurement Sites
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Assessing Body Temperature - Oral
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Assessing Body Temperature - Temporal Artery
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's forehead...
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's forehead...
Special considerations while measuring oxygen saturation
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is important.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is important.


