English
Related papers

Related papers: High Accuracy Protein Identification: Fusion of so…

200 papers

Translocation event detection from raw nanopore current signals is a fundamental step in nanopore signal analysis. Traditional data analysis methods rely on user-defined parameters to extract event information, making the interpretation of…

Signal Processing · Electrical Eng. & Systems 2025-04-09 Jaise Johnson , Chinmayi R Galigekere , Manoj M Varma

Extracellular protein concentrations and gradients queue a wide range of cellular responses, such as cell motility and division. Spatio-temporal quantification of these concentrations as produced by cells has proven challenging. As a…

Quantitative Methods · Quantitative Biology 2015-05-12 Jeff M. Byers , Joseph A. Christodoulides , James B. Delehanty , Deepa Raghu , Marc P. Raphael

Single-molecule detection enables direct observation of individual biomolecular events, providing mechanistic insights into biological processes and offering a powerful tool for disease diagnostics. However, the fundamental scale mismatch…

Optics · Physics 2025-10-14 Guifeng Li , Chaoyang Gong

Purpose Nanopore-based molecular sensing and measurement, specifically Deoxyribonucleic acid (DNA) sequencing, is advancing at a fast pace. Some embodiments have matured from coarse particle counters to enabling full human genome assembly.…

Instrumentation and Detectors · Physics 2021-10-06 Mehdi Habibi , Yunus Dawji , Ebrahim Ghafar-Zadeh , Sebastian Magierowski

Mass spectrometry provides a high-throughput way to identify proteins in biological samples. In a typical experiment, proteins in a sample are first broken into their constituent peptides. The resulting mixture of peptides is then subjected…

Applications · Statistics 2010-11-10 Qunhua Li , Michael J. MacCoss , Matthew Stephens

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

More than twenty years ago, scientists succeeded in pushing the limits of optical detection to single molecules using fluorescence. This breakthrough has revolutionized biophysical measurements, but restrictions in photophysics and labeling…

Biological Physics · Physics 2015-06-17 Marek Piliarik , Vahid Sandoghdar

Molecular carriers represent an increasingly common strategy in the field of nanopore sensing to use secondary molecules to selectively report on the presence of target analytes in solution, allowing for sensitive assays of otherwise…

Biomolecules · Quantitative Biology 2023-05-10 Zachary Roelen , Vincent Tabard-Cossa

Biosensors are an essential tool for medical diagnostics, environmental monitoring and food safety. Typically, biosensors are designed to detect specific analytes through functionalization with the appropriate capture agents. However, the…

Medical Physics · Physics 2023-09-26 Simon J. Ward , Tengfei Cao , Xiang Zhou , Catie Chang , Sharon M. Weiss

This paper presents a new, parallel implementation of clustering and demonstrates its utility in greatly speeding up the process of identifying homologous proteins. Clustering is a technique to reduce the number of comparison needed to find…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-29 Stuart Byma , Akash Dhasade , Adrian Altenhoff , Christophe Dessimoz , James R. Larus

Signaling proteins are an important topic in drug development due to the increased importance of finding fast, accurate and cheap methods to evaluate new molecular targets involved in specific diseases. The complexity of the protein…

Quantitative Methods · Quantitative Biology 2019-04-11 Carlos Fernandez-Lozano , Ruben F. Cuinas , Jose A. Seoane , Enrique Fernandez-Blanco , Julian Dorado , Cristian R. Munteanu

Solid-state nanopores, nm-sized holes in thin, freestanding membranes, are powerful single-molecule sensors capable of interrogating a wide range of target analytes, from small molecules to large polymers. Interestingly, due to their high…

Nanopore resistive pulse techniques are based on analysis of current or voltage spikes in the recorded signal. These spikes result from translocation of nanometer sized analytes through a nanopore. The most important information that needs…

Data Analysis, Statistics and Probability · Physics 2015-03-13 Nima Arjmandi , Willem Van Roy , Liesbet Lagae , Gustaaf Borghs

Understanding and extracting the patterns of microscopy images has been a major challenge in the biomedical field. Although trained scientists can locate the proteins of interest within a human cell, this procedure is not efficient and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Hanke Chen

Identification of nearly all proteins in a system using data-dependent acquisition (DDA) mass spectrometry has become routine for simple organisms, such as bacteria and yeast. Still, quantification of the identified proteins may be a…

Quantitative Methods · Quantitative Biology 2019-01-21 Jesse G. Meyer

Systematic identification of protein function is a key problem in current biology. Most traditional methods fail to identify functionally equivalent proteins if they lack similar sequences, structural data or extensive manual annotations.…

Genomics · Quantitative Biology 2016-03-08 Dan Ofer

We propose a novel approach to detect the binding between proteins making use of the anomalous diffraction of natively present heavy elements inside the molecule 3D structure. In particular, we suggest considering sulfur atoms contained in…

We demonstrated a biosensing approach which, for the first time, combines the high-sensitivity of whispering gallery modes (WGM) with a metallic nanoparticle based assay. We provided a computational model based on generalized Mie theory to…

Protein identification and profiling is critical for the advancement of cell and molecular biology as well as medical diagnostics. Although mass spectrometry and protein microarrays are commonly used for protein identification, both methods…

Label-free biosensors are important tools for clinical diagnostics and for studying biology at the single molecule level. The development of optical label-free sensors has allowed extreme sensitivity, but can expose the biological sample to…