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  1. No Access

    Article

    Towards Nanomaterial-Incorporated Soft Actuators: from Inorganic/Organic Material-Based Soft Robot to Biomaterial-Based Biohybrid Robot

    Soft actuators have played an indispensable part in the field of biosensors and soft robotics as such systems offer solutions that cannot be addressed with rigid actuators due to the lack of both flexibility a...

    Minkyu Shin, Seewoo Kim, Ambrose Ashwin Melvin, Jeong-Woo Choi in BioChip Journal (2024)

  2. No Access

    Chapter

    Recent Development of Electrochemical Biosensor: Focused on Immunosensor and Aptasensor

    The unique properties of certain biomaterials, such as antibodies and aptamers, are attracting attention in electrochemical biosensors because of their ability to diagnose the occurrence of diseases, viruses, ...

    Minkyu Shin, Geunyoung Beak, Ye** Yoon in Biosensors: Developments, Challenges and P… (2024)

  3. Article

    Open Access

    Recombinant protein embedded liposome on gold nanoparticle based on LSPR method to detect Corona virus

    Antibody sensor to detect viruses has been widely used but has problems such as the difficulty of right direction control of the receptor site on solid substrate, and long time and high cost for design and pro...

    Lina Kim, Seongjae Jo, Gyeong-Ji Kim, Kyung Ho Kim, Sung Eun Seo in Nano Convergence (2023)

  4. No Access

    Article

    Nanoscale Diesel-Exhaust Particulate Matter (DPM) Impairs Synaptic Plasticity of Human iPSCs-Derived Cerebral Organoids

    Nanoscale diesel-exhaust particulate matter (DPM), a cause of air pollution, has recently become the subject of many studies because it affects human health and causes neural diseases. However, most studies ar...

    Soo-jeong Park, Jeong-Woo Choi in BioChip Journal (2023)

  5. Article

    Open Access

    Nanomaterial-based biohybrid hydrogel in bioelectronics

    Despite the broadly applicable potential in the bioelectronics, organic/inorganic material-based bioelectronics have some limitations such as hard stiffness and low biocompatibility. To overcome these limitati...

    Minkyu Shin, Joungpyo Lim, Joohyun An, **ho Yoon, Jeong-Woo Choi in Nano Convergence (2023)

  6. No Access

    Chapter

    Nanobiohybrid Materials for Development of Biosensors

    Various types of biosensors have been reported for detecting the occurrence of various health problems and fatal diseases. However, previously developed biosensors are limited related to sensitivity and select...

    **ho Yoon, Hye Kyu Choi, Minkyu Shin, Joungpyo Lim in Biomaterials-Based Sensors (2023)

  7. Article

    Open Access

    Electroactive nano-Biohybrid actuator composed of gold nanoparticle-embedded muscle bundle on molybdenum disulfide nanosheet-modified electrode for motion enhancement of biohybrid robot

    There have been several trials to develop the bioactuator using skeletal muscle cells for controllable biobybird robot. However, due to the weak contraction force of muscle cells, the muscle cells could not be...

    Minkyu Shin, **-Ha Choi, Joungpyo Lim, Sungwoo Cho, Taehyeong Ha in Nano Convergence (2022)

  8. No Access

    Article

    DNA–Gold Nanoparticle Conjugates for Intracellular miRNA Detection Using Surface-Enhanced Raman Spectroscopy

    Intracellular detection of micro RNAs (miRNAs) expression is very important for cancer therapy because the expression of miRNA can regulate the chemoresistance in cancer cells. Several analysis techniques base...

    Won-Jun Lee, Kyeong-Jun Kim, Md. Khaled Hossain, Hyeon-Yeol Cho in BioChip Journal (2022)

  9. Article

    Electrochemical Microbiosensor for Detecting COVID-19 in a Patient Sample Based on Gold Microcuboids Pattern

    As continues increasing the COVID-19 infections, there is an urgent need for develo** fast, simple, selective, and accurate COVID-19 biosensors. A highly uniform gold (Au) microcuboid pattern was used as a m...

    Waleed A. El-Said, Abdullah S. Al‐Bogami, Wael Alshitari in BioChip Journal (2021)

  10. No Access

    Article

    Clonal dynamics in early human embryogenesis inferred from somatic mutation

    Cellular dynamics and fate decision in early human embryogenesis remain largely unknown owing to the challenges of performing studies in human embryos1. Here, we explored whole-genomes of 334 single-cell colonies...

    Seongyeol Park, Nanda Maya Mali, Ryul Kim, Jeong-Woo Choi, Junehawk Lee in Nature (2021)

  11. No Access

    Article

    Droplet-based Synthesis of Homogeneous Gold Nanoparticles for Enhancing HRP-based ELISA Signals

    Gold nanoparticles (AuNPs) have widely used for various biological applications, such as drug screening, photo-thermal therapy, and biosensing. In particular, the synthesis of AuNPs with narrow size distributi...

    Ji Wook Choi, Young Jae Kim, Jong Min Lee, **-Ha Choi, Jeong-Woo Choi in BioChip Journal (2020)

  12. Article

    Open Access

    Nanosheet composed of gold nanoparticle/graphene/epoxy resin based on ultrasonic fabrication for flexible dopamine biosensor using surface-enhanced Raman spectroscopy

    Construction of a fast, easy and sensitive neurotransmitters-based sensor could provide a promising way for the diagnosis of neurological diseases, leading to the discovery of more effective treatment methods....

    Mahmoud A. Hussein, Waleed A. El-Said, Bahaa M. Abu-Zied in Nano Convergence (2020)

  13. Article

    Open Access

    Label-free detection of γ-aminobutyric acid based on silicon nanowire biosensor

    γ-Aminobutyric acid (GABA) is an important inhibitory neurotransmitter in the central nervous system (CNS), which acts as a major biomarker for neurological disorders such as Parkinson’s disease and Meningitis...

    **-Ho Lee, Eun-Ji Chae, Soo-jeong Park, Jeong-Woo Choi in Nano Convergence (2019)

  14. No Access

    Article

    Electrochemical Dopamine Biosensor Composed of Silver Encapsulated MoS2 Hybrid Nanoparticle

    Dopamine is an important neurotransmitter in central nervous system as an indicator of several neurological disorders such as Parkinson’s disease. The accurate monitoring of dopamine level is the significant f...

    Jae-Wook Shin, **ho Yoon, Minkyu Shin in Biotechnology and Bioprocess Engineering (2019)

  15. Article

    Open Access

    H2O2 biosensor consisted of hemoglobin-DNA conjugate on nanoporous gold thin film electrode with electrochemical signal enhancement

    In this research, we developed electrochemical biosensor which was composed of hemoglobin (Hb)-DNA conjugate on nanoporous gold thin film (NPGF) for hydrogen peroxide (H2O2) detection. For the first time, Hb and ...

    **hee Jo, **ho Yoon, Taek Lee, Hyeon-Yeol Cho, Ji-Young Lee in Nano Convergence (2019)

  16. Article

    Open Access

    Nanostructured surfaces for analysis of anticancer drug and cell diagnosis based on electrochemical and SERS tools

    Discovering new anticancer drugs and screening their efficacy requires a huge amount of resources and time-consuming processes. The development of fast, sensitive, and nondestructive methods for the in vitro a...

    Waleed A. El-Said, **ho Yoon, Jeong-Woo Choi in Nano Convergence (2018)

  17. No Access

    Chapter

    Methods for Functional Connectivity Analysis

    The purpose of this chapter is to provide comprehensive and useful guidelines for the methods of the functional connectivity analysis (FCA) for electroencephalogram (EEG) and its application. After presenting ...

    Jeong Woo Choi, Kyung Hwan Kim in Computational EEG Analysis (2018)

  18. No Access

    Article

    Multi-electrochemical signal generation using metalloprotein based on selective surface modification

    In this research, we demonstrate a simple method to generate a multi-peak in a single electrochemical signal for the application to bioelectronics devices. Myoglobin is used as a source of electrochemical sign...

    Yong-Ho Chung, Si-Youl Yoo, **ho Yoon, Junhong Min, Jeong-Woo Choi in BioChip Journal (2017)

  19. Article

    Open Access

    Priming nanoparticle-guided diagnostics and therapeutics towards human organs-on-chips microphysiological system

    Nanotechnology and bioengineering have converged over the past decades, by which the application of multi-functional nanoparticles (NPs) has been emerged in clinical and biomedical fields. The NPs primed to de...

    **-Ha Choi, Jaewon Lee, Woojung Shin, Jeong-Woo Choi, Hyun Jung Kim in Nano Convergence (2016)

  20. Article

    Open Access

    Engineered peptide-based nanobiomaterials for electrochemical cell chip

    Biomaterials having cell adhesion ability are considered to be integral part of a cell chip. A number of researches have been carried out to search for a suitable material for effective immobilization of cell ...

    Md. Abdul Kafi, Hyeon-Yeol Cho, Jeong-Woo Choi in Nano Convergence (2016)

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