Northeastern University

Joseph Larkin

Meni Wanunu

Swastik Kar

Pradeep Waduge

Ismail Bilgin

Robert Henley

Andrey Ivankin

Moneesh Upmanyu

The invention provides methods for direct growth of low noise, atomically thin freestanding membranes of two-dimensional monocrystalline or polycrystalline materials, such as transition metal chalcogenides including molybdenum disulfide. The freestanding membranes are directly grown over an aperture by reacting two precursors in a chemical vapor deposition process carried out at atmospheric pressure. Membrane growth is preferentially over apertures in a thin sheet of solid state material. The resulting membranes are one or a few atomic layers thick and essentially free of defects. The membranes are useful for sequencing of biopolymers through nanopores.

Low noise ultrathin freestanding membranes composed of atomically-thin 2D materials

Devices and methods useful for sequencing and characterizing single nucleic acid molecules involve large arrays of nanopore zero-mode waveguides (NZMWs). The methods and devices are made possible by fabrication of nanoporous membranes of appropriate porosity for use in nucleotide sequencing. The fabrication methods eliminate the need for serial nanopore formation and make possible the mass production of highly efficient DNA and RNA single molecule sequencing devices.

Pinhole zero-mode waveguides

Described herein are systems for analysis of biopolymers and complexes containing biopolymers based on optical measurement of ion flux through pores. Also described are methods of using such devices for analysis of biopolymers and complexes containing biopolymers, including methods of determining the nucleotide sequences of polynucleotides.

Fluorescence-based analysis of biopolymers using nanopores

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Dorchester, MA, United States of America

Joseph Larkin