Joo Chuan Yeo

Joo Chuan Yeo
National University of Singapore | NUS

Doctor of Philosophy

About

27
Publications
12,790
Reads
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1,377
Citations
Additional affiliations
June 2018 - July 2019
National University of Singapore
Position
  • Manager
January 2014 - present
National University of Singapore
Position
  • PhD Student
June 2008 - present

Publications

Publications (27)
Article
Full-text available
In this work, we develop a liquid-based thin film microfluidic tactile sensor of high flexibility, robustness and sensitivity. The microfluidic elastomeric structure comprises a pressure sensitive region and parallel arcs that interface with screen-printed electrodes. The microfluidic sensor is functionalized with a highly conductive metallic liqui...
Article
Full-text available
Here, we develop a novel triple-state liquid-based resistive microfluidic tactile sensor with high flexibility, durability, and sensitivity. It comprises a platinum-cured silicone microfluidic assembly filled with 2 µL liquid metallic alloy interfacing two screen-printed conductive electrodes on a polyethylene terephthalate (PET) film. This flexibl...
Article
Full-text available
Despite the emergence of flexible and stretchable actuators, few possess sensing capabilities. Here, we present a facile method of integrating a flexible pneumatic actuator with stretchable strain sensor to form a soft sensorized actuator. The elastomeric actuator comprises a microchannel connected to a controlled air source to achieve bending. The...
Article
Full-text available
There are now numerous emerging flexible and wearable sensing technologies that can perform a myriad of physical and physiological measurements. Rapid advances in developing and implementing such sensors in the last several years have demonstrated the growing significance and potential utility of this unique class of sensing platforms. Applications...
Article
There has been an intense interest in the development of wearable technologies, arising from increasing demands in the areas of fitness and healthcare. While still at an early stage, incorporating microfluidics in wearable technologies has enormous potential, especially in healthcare applications. For example, current microfluidic fabrication techn...
Article
Cardiovascular diseases account for the highest mortality globally, but recent advances in wearable technologies may potentially change how these illnesses are diagnosed and managed. In particular, continuous monitoring of cardiovascular vital signs for early intervention is highly desired. To this end, flexible wearable sensors that can be comfort...
Article
Full-text available
Wearable electronics brings forth revolutionary changes toward digital health monitoring. Skin conformable sensors enable real‐time health monitoring and non‐invasive disease detection and diagnosis. With the advancement of flexible hybrid materials, as discussed by Joo Chuan Yeo, Chwee Teck Lim, and co‐workers in article number 1902133, the future...
Article
Wearable sensors have garnered tremendous interest in recent years with an enormous impact on smart textile applications such as human machine interface and digital health monitoring. Here, we report a soft capacitive microfiber sensor that can be woven seamlessly into textiles for strain measurement. Comprising a dual-lumen elastomeric microtube a...
Article
Full-text available
Wearable electronics have revolutionized the way physiological parameters are sensed, detected, and monitored. In recent years, advances in flexible and stretchable hybrid electronics have created emergent properties that enhance the compliance of devices to our skin. With their unobtrusive attributes, skin conformable sensors enable applications t...
Article
Extracellular vesicles (EVs) are lipid bilayer-bound vesicles secreted by cells. Subtypes of EVs such as microvesicles and exosomes are further categorized mainly by their different biogenesis mechanisms. EVs have been revealed to play an important role in disease diagnosis and intercellular communication. Despite the wide interest in EVs, the tech...
Article
The emergence of microfluidic techniques coupled with flow‐induced electrification has advanced the development of innovative self‐powered sensors. However, selective detection of target substances using these sensors is extremely challenging, owing to the lack of recognition elements in the flow pathway. To overcome this, catalytic enzymes are imm...
Article
A polarization-agility antenna using liquid metal (eutectic gallium indium) with high radiation efficiency is proposed in this paper. This design approach offers possibilities to use minimum amount of liquid metal as well as elastomer, so that a higher-radiation-efficiency liquid metal antenna (LMA) can be realized. The proposed design is based on...
Article
A key challenge in electronic textiles is to develop an intrinsically conductive thread of sufficient robustness and sensitivity. Here, we demonstrate an elastomeric functionalized microfiber sensor suitable for smart textile and wearable electronics. Unlike conventional conductive threads, our microfiber is highly flexible and stretchable up to 12...
Article
Full-text available
Extracellular vesicles (EVs) play an important role as active messengers in intercellular communication and distant microenvironment modeling. Increasingly, these EVs are recognized as important biomarkers for clinical diagnostics. However, current isolation methods of EVs are time-consuming and ineffective due to the high diffusive characteristics...
Article
Full-text available
Microfluidics has been the key component for many applications, including biomedical devices, chemical processors, microactuators, and even wearable devices. This technology relies on soft lithography fabrication which requires cleanroom facilities. Although popular, this method is expensive and labor-intensive. Furthermore, current conventional mi...
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Full-text available
A flexible, stretchable, soft, and ultrathin wearable microtubular sensor that is highly sensitive to mechanical perturbations is developed. The sensor comprises a unique architecture consisting of a liquid-state conductive element core within a soft silicone elastomer microtube. The microtubular sensor can distinguish forces as small as 5 mN and p...
Article
Haptic tactile acuity is an important element for object recognition and manipulation. However, ascribing tactile acuity unto artificial systems is extremely challenging, as it requires active touch exploration involving multidirectional manipulation and sensing. This work reports a skin-inspired liquid-based microfluidic tactile sensor capable of...
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Full-text available
In article number 1600018, Chen Hua Yeow, Chwee Teck Lim, and co-workers present a strain sensing actuator for soft robotics applications. The sensing actuator comprises a highly stretchable and robust silver microstructured mesh network as the sensing element. It can be embedded in a glove for wearable rehabilitation application by sensing the ext...
Article
A novel graphene oxide (GO) nanosuspension liquid-based microfluidic tactile sensor is developed. It comprises a UV ozone-bonded Ecoflex-polydimethylsiloxane microfluidic assembly filled with GO nanosuspension, which serves as the working fluid of the tactile sensor. This device is highly flexible and able to withstand numerous modes of deformation...
Article
Full-text available
Biomolecular separation is crucial for downstream analysis. Separation technique mainly relies on centrifugal sedimentation. However, minuscule sample volume separation and extraction is difficult with conventional centrifuge. Furthermore, conventional centrifuge requires density gradient centrifugation which is laborious and time-consuming. To ove...
Article
The objective of this study was to determine the main and interactive effects of load carriage and fatigue on gait characteristics. Twelve young male participants were recruited in this study. Fatiguing protocol involved a running exercise, and fatigue was considered to be induced when the participants first gave an RPE rating at or above 17. Gait...

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