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Related papers: Label-free SERS Discrimination of Native Proline H…

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Discriminating the low-abundance hydroxylated proline from hydroxylated proline is crucial for monitoring diseases and eval-uating therapeutic outcomes that require single-molecule sensors. While the plasmonic nanopore sensor can detect the…

Chemical Physics · Physics 2024-12-30 Yingqi Zhao , Kuo Zhan , Pei-Lin Xin , Zuyan Chen , Shuai Li , Francesco De Angelis , Jianan Huang

Nanopore resistive pulse sensors are emerging technologies for single-molecule protein sequencing. But they can hardly detect small post-translational modifications (PTMs) such as hydroxylation in single-molecule level. While a combination…

Quantitative Methods · Quantitative Biology 2024-01-09 Mulusew W. Yaltaye , Yingqi Zhao , Eva Bozo , Pei-Lin Xin , Vahid Farrah , Francesco De Angelis , Jian-An Huang

Protein phosphorylation provides a dynamic readout of cellular signaling yet remains difficult to detect at low abundance and stoichiometry. Single-molecule surface-enhanced Raman spectroscopy (SM-SERS) using particle-in-pore plasmonic…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 Mulusew W. Yaltaye , Yingqi Zhao , Kuo Zhan , Vahid Farrahi , Jian-An Huang

Proline (Pro) is one kind of proteinogenic amino acid and an important signaling molecule in the process of metabolism. Hydroxyproline (Hyp) is a product on Pro oxygen sensing post-translational modification (PTM), which is efficiently…

Biomolecules · Quantitative Biology 2024-12-12 Yuan Zhang , Kuo Zhan , Peilin Xin , Yingqi Zhao , Shubo Wang , Aliaksandr Hubarevich , Xuejin Zhang , Jianan Huang

Surface-enhanced Raman spectroscopy (SERS) is a sensitive label-free optical method that can provide fingerprint Raman spectra of biomolecules such as DNA, amino acids and proteins. While SERS of single DNA molecule has been recently…

Surface-enhanced Raman spectroscopy (SERS) sensing of DNA sequences by plasmonic nanopores could pave a way to new generation single-molecule sequencing platforms. The SERS discrimination of single DNA bases depends critically on the time…

A device capable of performing real time classification of proteins in a clinical setting would allow for inexpensive and rapid disease diagnosis. One such candidate for this technology are nanopore devices. These devices work by measuring…

Machine Learning · Computer Science 2025-09-18 Samuel Tovey , Julian Hoßbach , Sandro Kuppel , Tobias Ensslen , Jan C. Behrends , Christian Holm

While nucleic-acids can be readily amplified for single-marker detection, a comparable method for proteins assay is currently unavailable. Proteins potentiometric detections at 10-20 molar have been demonstrated, but the mechanism remains…

Surface enhanced Raman scattering (SERS) is optically sensitive and chemically specific to detect single molecule spectroscopic signatures. Facilitating this capability in optically-trapped nanoparticles at low laser power remains a…

Nanopore sequencing accuracy is inherently limited by the quality of data from individual molecular translocation events, requiring advances beyond traditional sequencing-by-synthesis methods. We introduce an oxidized pyramidal sub-nm pore…

Applied Physics · Physics 2026-05-22 Jianxin Yang , Dehua Hu , Wu Yuan , Tianle Pan , Ho-Pui Ho

Self-supervised learning (SSL) has great potential for molecular representation learning given the complexity of molecular graphs, the large amounts of unlabelled data available, the considerable cost of obtaining labels experimentally, and…

Machine Learning · Computer Science 2023-11-30 Yuankai Luo , Lei Shi , Veronika Thost

Proteins are arguably the most important class of biomarkers for health diagnostic purposes. Label-free solid-state nanopore sensing is a versatile technique for sensing and analysing biomolecules such as proteins at single-molecule level.…

An early detection of different tumor subtypes is crucial for an effective guidance to personalized therapy. While much efforts focus on decoding the sequence of DNA basis to detect the genetic mutations related to cancer, it is becoming…

As in many other scientific domains, we face a fundamental problem when using machine learning to identify proteins from mass spectrometry data: large ground truth datasets mapping inputs to correct outputs are extremely difficult to…

Hyperpolarized water can be a valuable aid in protein NMR, leading to amide group 1H polarizations that are orders of magnitude larger than their thermal counterparts. Suitable procedures can exploit this to deliver 2D 1H-15N correlations…

Chemical Physics · Physics 2020-04-28 Or Szekely , Gregory Lars Olsen , Mihajlo Novakovic , Rina Rosenzweig , Lucio Frydman

Self-supervised learning (SSL) plays a central role in molecular representation learning. Yet, many recent innovations in masking-based pretraining are introduced as heuristics and lack principled evaluation, obscuring which design choices…

Machine Learning · Computer Science 2025-12-09 Jiannan Yang , Veronika Thost , Tengfei Ma

Unravelling protein distributions within individual cells is key to understanding their function and state and indispensable to developing new treatments. Here we present the Hybrid subCellular Protein Localiser (HCPL), which learns from…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Syed Sameed Husain , Eng-Jon Ong , Dmitry Minskiy , Mikel Bober-Irizar , Amaia Irizar , Miroslaw Bober

Quantifying formidable multiple coupling effects involved in Surface-enhanced Raman scattering (SERS) is a prerequisite for accurate design of SERS probes with superior detection limit and uniformity which are the targets for trace…

Wearable sensing technology capable of point-of-care, continuous and non-invasive analysis of exosomes in biofluid such as tears and sweat is an essential part for future personalized medicine. Major detection and identification methods of…

Mesoscale and Nanoscale Physics · Physics 2026-05-26 Yang Li , Xiaoming Lyu , Ling Xia , Kuo Zhan , Haoyu Ji , Lei Qin , Seppo J. Vainio , Jian-An Huang

Metaproteomics are becoming widely used in microbiome research for gaining insights into the functional state of the microbial community. Current metaproteomics studies are generally based on high-throughput tandem mass spectrometry (MS/MS)…

Quantitative Methods · Quantitative Biology 2020-09-24 Xuan Guo , Shichao Feng
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