Results 1 to 10 of about 6,064,561 (323)

Label-Free Biosensor

open access: yesBiosensors, 2023
Label-free biosensors have become an indispensable tool for analyzing intrinsic molecular properties, such as mass, and quantifying molecular interactions without interference from labels, which is critical for the screening of drugs, detecting disease ...
Pengfei Zhang, Rui Wang
doaj   +5 more sources

Geometric structure design of passive label-free microfluidic systems for biological micro-object separation

open access: yesMicrosystems & Nanoengineering, 2022
Passive and label-free microfluidic devices have no complex external accessories or detection-interfering label particles. These devices are now widely used in medical and bioresearch applications, including cell focusing and cell separation.
Hao Tang   +4 more
doaj   +2 more sources

A review on label free biosensors

open access: yesBiosensors and Bioelectronics: X, 2022
Label-free biosensing has advanced significantly in recent years due to its capacity for quick and inexpensive bio-detection in small volumes. Additionally, they have developed into lab-on-a-chip technology and may be able to perform real-time analysis ...
Vimala Rani Samuel, K.Jagajjanani Rao
doaj   +2 more sources

Label‐Free Single‐Molecule Immunoassay [PDF]

open access: yesAdvanced Science
Single‐molecule immunoassay is a reliable technique for the detection and quantification of low‐abundance blood biomarkers, which are essential for early disease diagnosis and biomedical research.
Xiaoyan Zhou   +11 more
doaj   +2 more sources

Label-Free Single-Molecule Conalbumin Analysis [PDF]

open access: yesMicromachines
Nanoaperture optical tweezers (NOTs) were used to analyze conalbumin in various forms. By analyzing the power spectrum of the NOT-transmitted laser signal, differences between iron and iron-free conalbumin were observed; the corner frequency extrapolated
Tianyu Zhao, Xi Ren, Reuven Gordon
doaj   +2 more sources

Label-Free Concept Bottleneck Models [PDF]

open access: yesInternational Conference on Learning Representations, 2023
Concept bottleneck models (CBM) are a popular way of creating more interpretable neural networks by having hidden layer neurons correspond to human-understandable concepts.
Tuomas P. Oikarinen   +3 more
semanticscholar   +1 more source

Label-free Node Classification on Graphs with Large Language Models (LLMS) [PDF]

open access: yesInternational Conference on Learning Representations, 2023
In recent years, there have been remarkable advancements in node classification achieved by Graph Neural Networks (GNNs). However, they necessitate abundant high-quality labels to ensure promising performance.
Zhikai Chen   +7 more
semanticscholar   +1 more source

Towards Label-free Scene Understanding by Vision Foundation Models [PDF]

open access: yesNeural Information Processing Systems, 2023
Vision foundation models such as Contrastive Vision-Language Pre-training (CLIP) and Segment Anything (SAM) have demonstrated impressive zero-shot performance on image classification and segmentation tasks.
Runnan Chen   +7 more
semanticscholar   +1 more source

Label-Free Liver Tumor Segmentation [PDF]

open access: yesComputer Vision and Pattern Recognition, 2023
We demonstrate that AI models can accurately segment liver tumors without the need for manual annotation by using synthetic tumors in CT scans. Our synthetic tumors have two intriguing advantages: (I) realistic in shape and texture, which even medical ...
Qixing Hu   +6 more
semanticscholar   +1 more source

Chip-based label-free incoherent super-resolution optical microscopy [PDF]

open access: yesLight: Science & Applications
The photo-kinetics of fluorescent molecules have enabled the circumvention of the far-field optical diffraction limit. Despite its enormous potential, the necessity to label the sample may adversely influence the delicate biology under investigation ...
Nikhil Jayakumar   +8 more
doaj   +2 more sources

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