Research Topics
| J J KasianowiczSummaryAffiliation: National Institute of Standards and Technology Country: USA Publications
| Collaborators
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Detail Information
Publications
Nanometer-scale pores: potential applications for analyte detection and DNA characterizationJohn J Kasianowicz
Biotechnology Division, National Institute of Standards and Technology, ACSL 227 A251, Gaithersburg, MD 20899 8313, USA
Dis Markers 18:185-91. 2002..We briefly review here these studies and identify leaps in technology that, if realized, might lead to innovations for the early detection of cancer...
Detecting and characterizing individual molecules with single nanoporesJohn J Kasianowicz
Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Methods Mol Biol 870:3-20. 2012..We describe herein some of our methods and approaches to address this issue...
Nanoscopic porous sensorsJohn J Kasianowicz
National Institute of Standards and Technology, Gaithersburg, Maryland 20899 8120, USA
Annu Rev Anal Chem (Palo Alto Calif) 1:737-66. 2008..In this review we survey this field of research and discuss the prospects for advances that could be made in the near future...
Enhancing molecular flux through nanopores by means of attractive interactionsJohn J Kasianowicz
Electrical and Electronic Engineering Laboratory, Semiconductor Electronics Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-8120, USA
Proc Natl Acad Sci U S A 103:11431-2. 2006
Genetically engineered metal ion binding sites on the outside of a Channel's transmembrane beta-barrelJ J Kasianowicz
National Institute of Standards and Technology, Biotechnology Division, Gaithersburg, Maryland 20899, USA
Biophys J 76:837-45. 1999..Thus, analyte-induced current blockades alone might not establish whether an analyte binding site is inside a pore...
Simultaneous multianalyte detection with a nanometer-scale poreJ J Kasianowicz
NIST, Biotechnology Division, Gaithersburg, Maryland 20899 8313, USA
Anal Chem 73:2268-72. 2001..We demonstrate here that two different proteins can be simultaneously detected with this technique...
Frequency response of alternating currents through the Staphylococcus aureus alpha-hemolysin ion channelM Misakian
NIST, Electricity Division, Gaithersburg, Maryland 20899 8113, USA
Bioelectromagnetics 22:487-93. 2001..The possible usefulness of frequency response data for ion channels in cell membranes during investigations of biological effects of time-varying magnetic fields is briefly discussed...
Theory for polymer analysis using nanopore-based single-molecule mass spectrometryJoseph E Reiner
Semiconductor Electronics Division, Electronics and Electrical Engineering Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899 8120, USA
Proc Natl Acad Sci U S A 107:12080-5. 2010..76 meV per ethylene glycol monomer). The results suggest that rational, physical models for the analysis of analyte-nanopore interactions will develop the full potential of nanopore-based sensing for chemical and biological applications...
Sizing the Bacillus anthracis PA63 channel with nonelectrolyte poly(ethylene glycols)Brian J Nablo
Electrical and Electronics Laboratory, Semiconductor Electronics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 8120, USA
Biophys J 95:1157-64. 2008..The results suggest that the limiting diameter of the PA(63) pore is <2 nm, which is consistent with an all-atom model of the PA(63) channel and previous experiments using large ions...
Electrostatic influence on ion transport through the alphaHL channelM Misakian
Biotechnology Division, National Institute of Standards and Technology, ACSL 227/A251, Gaithersburg, MD 20899-8313, USA
J Membr Biol 195:137-46. 2003..The model demonstrates that rectification of monovalent ion flow through the alphaHL channel can be related to the asymmetry in the location of the ionizable amino acid side chains...
Probing single nanometer-scale pores with polymeric molecular rulersSarah E Henrickson
Semiconductor Electronics Division, NIST, Bldg 225, Room B326, Gaithersburg, Maryland 20899 8120, USA
J Chem Phys 132:135101. 2010..The results are consistent with the channel crystal structure and suggest that polymer-based "molecular rulers" may prove useful in deducing the structures of nanometer-scale pores in general...
Single-molecule mass spectrometry in solution using a solitary nanoporeJoseph W F Robertson
Electronics and Electrical Engineering Laboratory, Semiconductor Electronics Division, National Institute of Standards and Technology, Gaithersburg, MD 20899 8120, USA
Proc Natl Acad Sci U S A 104:8207-11. 2007..This technique could prove useful for the real-time characterization of molecules in solution...
Anthrax biosensor, protective antigen ion channel asymmetric blockadeKelly M Halverson
United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland 21702-5011, USA
J Biol Chem 280:34056-62. 2005..The latter two results suggest the potential application of PA63 nanopore-based biosensors in anthrax therapeutics and diagnostics...
Functional reconstitution of protein ion channels into planar polymerizable phospholipid membranesDevanand K Shenoy
Center for Bio Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA
Nano Lett 5:1181-5. 2005..The ability to stabilize nanoscale pores in robust ultrathin films may prove useful in single molecule sensing applications...
Single molecule measurements within individual membrane-bound ion channels using a polymer-based bilayer lipid membrane chipLouis P Hromada
University of Maryland, College Park, Department of Mechanical Engineering, College Park, Maryland 20742, USA
Lab Chip 8:602-8. 2008..Details of chip fabrication, bilayer membrane formation, and alpha-hemolysin ion channel incorporation are discussed, and measurements of interactions between the membrane-bound ion channels and single PEG molecules are presented...
Membrane surface dynamics of DNA-threaded nanopores revealed by simultaneous single-molecule optical and ensemble electrical recordingEmily L Chandler
Department of Chemistry, Wheaton College, Wheaton, Illinois 60187, USA
Langmuir 20:898-905. 2004....
Nanopores: flossing with DNAJohn J Kasianowicz
Nat Mater 3:355-6. 2004
Effects of cytochrome c on the mitochondrial apoptosis-induced channel MACLiang Guo
Dept. of Basic Sciences, College of Dentistry, New York Univ, 345 East 24th St, New York, NY 10010, USA
Am J Physiol Cell Physiol 286:C1109-17. 2004..These findings are consistent with the notion that MAC is the pore through which cytochrome c is released from mitochondria during apoptosis...
Conductance and ion selectivity of a mesoscopic protein nanopore probed with cysteine scanning mutagenesisPetr G Merzlyak
Laboratory of Membrane Biophysics, Department of Biophysics and Radiobiology, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
Biophys J 89:3059-70. 2005....
