Results 41 to 50 of about 592,957 (153)

Detecting age-related changes in faecal vasoactive intestinal polypeptide using a 3D-printed electrochemical immunosensor

Biosensors and Bioelectronics: X
Vasoactive intestinal polypeptide (VIP) is a 28-amino acid neuropeptide with a multitude of diverse physiological functions, including vasodilation, immune modulation, and most notable gastrointestinal regulation.
Khalil K. Hussain, Chloe Miller, Mark Yeoman, Bhavik Anil Patel   +3 more
doaj   +1 more source

Carbon Material Based Electrochemical Immunosensor for Gastric Cancer Markers Detection

Frontiers in Chemistry, 2021
Gastric cancer is one of the most common malignant tumors, and early diagnosis will be of great significance to improve the survival quality and overall treatment outcome evaluation of patients.
Zhuliang Zhang, Minsi Peng, Defeng Li, Jun Yao, Yingxue Li, Benhua Wu, Lisheng Wang, Zhenglei Xu   +7 more
doaj   +1 more source

Enzyme-Mediated Growing Au Nanoparticles for Electrochemical and Optical Immunosensors: Signal-on and Signal-off

International Journal of Electrochemical Science, 2012
We report a versatile strategy for electrochemical and optical signal-on/off immunosensing, on the basis of enzyme-mediated growing Au nanoparticles. By applying antibody and enzyme (glucose oxidase or catalase) conjungated Au nanoparticles as secondary ...
Hongcheng Pan, Dunnan Li, Jianping Li, Wenyuan Zhu, Liang Fang   +4 more
doaj   +1 more source

Multidimensional and Multifunctional Laser‐Induced Graphene (LIG) for Point‐of‐Care and Wearable Biosensing, Theranostics, and Bioactive Interfaces Toward Personalized Healthcare and Regenerative Medicine

Advanced Science, EarlyView.
Multidimensional laser‐induced graphene (LIG) spanning from 0D to 3D architectures is comprehensively reviewed for multifunctional biomedical platforms, including biosensing, theranostics, and bioactive interface applications, which highlights its potentials for point‐of‐care diagnostics, wearable health monitoring, smart drug delivery, and tissue ...
Li Zhang, Yurou Yuan, Xiaohong Ding, Wing Cheung Mak   +3 more
wiley   +1 more source

Nanomaterials for Allergy Diagnosis and Treatment: Advances, Opportunities and Translational Challenges

Advanced Science, EarlyView.
Nanomaterials offer dual applications in allergy management. For diagnosis, nanomaterials enhance analytical sensitivity and improve detection in specific IgE and functional assays such as the basophil activation test (BAT). For allergen‐specific immunotherapy, nanomaterials enable allergen masking and controlled release, and effectively modulate the ...
Madiha Habib, Shan Jiang, Joyce ZX Lee, CW Lim, HL Yeung, Nicki YH Leung, Patrick SC Leung, Ting F Leung, Christine YY Wai   +8 more
wiley   +1 more source

A Novel Label-Free Electrochemical Immunosensor for the Detection of Thyroid Transcription Factor 1 Using Ribbon-like Tungsten Disulfide-Reduced Graphene Oxide Nanohybrids and Gold Nanoparticles

Molecules
Thyroid transcription factor 1 (TTF1) is an important cancer-related biomarker for clinical diagnosis, especially for carcinomas of lung and thyroid origin.
Wenjing Wang, Huabiao Tang, Leiji Zhou, Zhaohui Li   +3 more
doaj   +1 more source

Rapid‐Forming Conductive Antifouling Hydrogel Coating Enables Magnetically Guided Electrochemical POCT for Direct at‑Home Blood Testing

Advanced Science, EarlyView.
The SPG‐MpECis electrochemical POCT platform developed in this study enables direct detection of biomarkers in complex biological samples such as serum and fingerstick blood, demonstrating high concordance with results from clinical reference methods and holding broad potential for at‐home testing applications.
Menghan Li, Kai Su, Ruiwei Hu, Ke Gao, Yuanjie Liu, Lu Zhang, Ningke Fan, Yirong Chen, Wei Cheng, Shijia Ding, Haiping Wu   +10 more
wiley   +1 more source

An Ultrasensitive Electrochemical Immunosensor for in Situ Detection of GABA in Plant Leaves

ChemElectroChem
Gamma‐aminobutyric acid (GABA) is involved in the signal transduction and metabolism of various substances in plants. Its in vivo detection in plants is of great importance for understanding its physiological role.
Haotong Wu, Yueyue Wang, Qian Wei, Bin Luo, Cheng Wang, Peichen Hou, Aixue Li   +6 more
doaj   +1 more source

A Novel Tetrahydrocannabinol Electrochemical Nano Immunosensor Based on Horseradish Peroxidase and Double-Layer Gold Nanoparticles

Molecules, 2016
In the current study, a novel double-layer gold nanoparticles-electrochemical immunosensor electrode immobilized with tetrahydrocannabinol (THC) antibody derived from Balb/c mice was developed.
Dingqiang Lu, Fuping Lu, Guangchang Pang
doaj   +1 more source

Metal nanostructure‐coupled label‐free localized surface plasmon resonance biosensors for rapid and sensitive disease diagnosis

BMEMat, EarlyView.
LSPR biosensing enables rapid, sensitive, and low‐sample‐volume detection of biomarkers, with broad applications in diagnosing cancer, infectious, and chronic diseases. Advances in nanostructure design, micro/nanofabrication, and microfluidic integration have expanded the potential of LSPR sensors in biomedical diagnostics.
Zhaoxin Geng, Yunfei Sha, Jiongyan Yang, Hongru Yang, Xiao Liang   +4 more
wiley   +1 more source