All Stories

  1. Retraction of “Unique Microphysical Structures of Ultrafine Particles Emitted from Turbofan Jet Engines”

    Article • ACS ES&T Air, July 2026, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  2. Development and certification of a 300 nm monodisperse spherical particle reference material with SI-traceable diameter and mass

    Article • Advanced Powder Technology, April 2026, Elsevier

    Dr. Hiromu Sakurai

  3. Toward Accurate Real-Time Bioaerosol Monitoring in the Particle Size Range 1 μm–70 μm

    Article • ACS ES&T Air, November 2025, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  4. Correction to “Size Distribution Measurement of Insoluble Particles in PM2.5 Dispersed in Cell Culture Medium Using Aerosolization Techniques”

    Article • ACS Omega, October 2025, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  5. Size Distribution Measurement of Insoluble Particles in PM2.5 Dispersed in Cell Culture Medium Using Aerosolization Techniques

    Article • ACS Omega, September 2025, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  6. Structural characterization of mucin in aqueous solution by static and dynamic light scattering measurements

    Article • Polymer Journal, August 2025, Springer Science + Business Media

    Dr. Hiromu Sakurai

  7. Reducing the airborne infection risk in tourist buses using medium-efficiency filters in air-conditioning systems

    Article • Building and Environment, August 2025, Elsevier

    Dr. Hiromu Sakurai

  8. Laboratory evaluation of hourly mass concentration by PM 2.5 monitors using a mobility particle size spectrometer

    Article • Aerosol Science and Technology, July 2025, Taylor & Francis

    Dr. Hiromu Sakurai

  9. Evaluation of a Portable Condensation Particle Counter for Mobile Measurements of Ambient Aerosol Particles

    Article • Aerosol and Air Quality Research, July 2025, Springer Science + Business Media

    Dr. Hiromu Sakurai

  10. Unique Microphysical Structures of Ultrafine Particles Emitted from Turbofan Jet Engines

    Article • ACS ES&T Air, April 2025, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  11. Tetradecane-based laminar flow particle-size magnifier coupled with an optical particle counter

    Article • Aerosol Science and Technology, February 2025, Taylor & Francis

    Dr. Hiromu Sakurai

  12. Aerosol physical characterization: A review on the current state of aerosol documentary standards and calibration strategies

    Article • Journal of Aerosol Science, January 2025, Elsevier

    Dr. Hiromu Sakurai

  13. Highly efficient Nile red staining for the rapid quantification of microplastic number concentrations using flow cytometry

    Article • Analytical Methods, January 2025, Royal Society of Chemistry

    Dr. Hiromu Sakurai

  14. Verifying the viable particle counts of biofluorescent particle counters by using inkjet aerosol generators

    Article • Aerosol Science and Technology, February 2024, Taylor & Francis

    Dr. Hiromu Sakurai

  15. Measurement of 100 nm monodisperse particles by four Accurate methods: Traceability and uncertainty

    Article • Aerosol Science and Technology, February 2024, Taylor & Francis

    Dr. Hiromu Sakurai

  16. Optimization of Flow Imaging Microscopy Setting Using Spherical Beads with Optical Properties Similar to Those of Biopharmaceuticals

    Article • Journal of Pharmaceutical Sciences, December 2023, Elsevier

    Dr. Hiromu Sakurai

  17. Determination of refractive index increments of PMMA particles dispersed in liquid phase

    Article • Advanced Powder Technology, October 2023, Elsevier

    Dr. Hiromu Sakurai

  18. Instability of emery oil particle for 10 nm engine exhaust CPC calibration

    Article • September 2023, SAE International

    Dr. Hiromu Sakurai

  19. Traceable methods for calibrating condensation particle counters at concentrations down to 1 cm−3

    Article • Metrologia, September 2023, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  20. Development of an SI Traceable Measurement Method for the Number Concentration of Liquid-borne Particles

    Article • Journal of the Society of Powder Technology Japan, July 2023, The Society of Powder Technology, Japan

    Dr. Hiromu Sakurai

  21. Investigation of Equivalency between Laboratory-Grade and Portable Emissions Measurement Systems in Solid Particle Number Measurement Larger than 10 nm

    Article • April 2023, SAE International

    Dr. Hiromu Sakurai

  22. International comparison CCQM-K150: particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3)

    Article • Metrologia, January 2023, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  23. International comparison CCQM-P189: particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3)

    Article • Metrologia, January 2023, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  24. Volatility of aircraft exhaust ultrafine particles inferred from field measurements at Narita International Airport

    Article • Atmospheric Environment, January 2023, Elsevier

    Dr. Hiromu Sakurai

  25. Air exchange rates and advection–diffusion of CO 2 and aerosols in a route bus for evaluation of infection risk

    Article • Indoor Air, March 2022, Hindawi Publishing Corporation

    Dr. Hiromu Sakurai

  26. A bilateral comparison of particle number concentration standards via calibration of an optical particle counter for number concentration up to ∼1000 cm−3

    Article • Measurement, February 2022, Elsevier

    Dr. Hiromu Sakurai

  27. Calibration of optical particle size spectrometers against a primary standard: Counting efficiency profile of the TSI Model 3330 OPS and Grimm 11-D monitor in the particle size range from 300 nm to 10 μm

    Article • Journal of Aerosol Science, September 2021, Elsevier

    Dr. Hiromu Sakurai

  28. Using an inkjet aerosol generator to study particle bounce in optical particle counters

    Article • Aerosol Science and Technology, July 2021, Taylor & Francis

    Dr. Hiromu Sakurai

  29. Primary standard for the number concentration of liquid-borne particles: extension of the diameter range from the micrometer to the sub-micrometer level and reduction of the measurement uncertainty

    Article • Metrologia, July 2021, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  30. Characteristics of sub-10 nm particle emissions from in-use commercial aircraft observed at Narita International Airport

    Article • Atmospheric Chemistry and Physics", January 2021, Copernicus GmbH

    Dr. Hiromu Sakurai

  31. Measurement of mass of aerosol particles

    Article • Synthesiology English edition, January 2021, The Editorial Committee of Synthesiology

    Dr. Hiromu Sakurai

  32. Accurate determination of mass and diameter of monodisperse particles by the electro-gravitational aerosol balance: Correction for the work function imbalance between the electrode surfaces

    Article • Aerosol Science and Technology, July 2020, Taylor & Francis

    Dr. Hiromu Sakurai

  33. Determining the cutoff diameter and counting efficiency of optical particle counters with an aerodynamic aerosol classifier and an inkjet aerosol generator

    Article • Aerosol Science and Technology, June 2020, Taylor & Francis

    Dr. Hiromu Sakurai

  34. Calibration of optical particle counters: first comprehensive inter-comparison for particle sizes up to 5 µm and number concentrations up to 2 cm−3

    Article • Metrologia, February 2020, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  35. Mass-measurement-type optical particle counting method for determination of number concentration of liquid-borne particles

    Article • Advanced Powder Technology, February 2020, Elsevier

    Dr. Hiromu Sakurai

  36. A method to deposit a known number of polystyrene latex particles on a flat surface

    Article • Aerosol Science and Technology, September 2019, Taylor & Francis

    Dr. Hiromu Sakurai

  37. Determination of the Rayleigh Ratio with an Uncertainty Analysis by Static Light-Scattering Measurements of Certified Reference Materials for Molecular Weight

    Article • Analytical Sciences, June 2019, Springer Science + Business Media

    Dr. Hiromu Sakurai

  38. Counting Efficiency Evaluation of Optical Particle Counters in Micrometer Range by Using an Inkjet Aerosol Generator

    Article • Aerosol Science and Technology, August 2018, Taylor & Francis

    Dr. Hiromu Sakurai

  39. Simultaneous determination of the size and concentration of fine bubbles in water by laser-light scattering

    Article • Applied Optics, January 2018, Optical Society of America (OSA)

    Dr. Hiromu Sakurai

  40. Evaluation of the NanoAerosol Generator by Kanomax FMT Inc. in Aerosolization of Size Standard Nanoparticle and Protein

    Article • Aerosol and Air Quality Research, January 2018, Springer Science + Business Media

    Dr. Hiromu Sakurai

  41. Aerosol-to-liquid collection: A method for making aqueous suspension of hydrophobic nanomaterial without adding dispersant

    Article • Aerosol Science and Technology, June 2017, Taylor & Francis

    Dr. Hiromu Sakurai

  42. Modification and laboratory evaluation of a TSI ultrafine condensation particle counter (Model 3776) for airborne measurements

    Article • Aerosol Science and Technology, December 2016, Taylor & Francis

    Dr. Hiromu Sakurai

  43. Surface-collection efficiency of Nuclepore filters for nanoparticles

    Article • Aerosol Science and Technology, June 2016, Taylor & Francis

    Dr. Hiromu Sakurai

  44. Application of the PMP methodology to the measurement of sub-23 nm solid particles: Calibration procedures, experimental uncertainties, and data correction methods

    Article • Journal of Aerosol Science, October 2015, Elsevier

    Dr. Hiromu Sakurai

  45. Direct analysis of ultra-trace semiconductor gas by inductively coupled plasma mass spectrometry coupled with gas to particle conversion-gas exchange technique

    Article • Analytica Chimica Acta, September 2015, Elsevier

    Dr. Hiromu Sakurai

  46. Molecularly uniform poly(ethylene glycol) certified reference material

    Article • Metrologia, December 2014, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  47. Aerosol Charge Fractions Downstream of Six Bipolar Chargers: Effects of Ion Source, Source Activity, and Flowrate

    Article • Aerosol Science and Technology, October 2014, Taylor & Francis

    Dr. Hiromu Sakurai

  48. Accelerated durability test of a condensation particle counter with high particle loading

    Article • Journal of Aerosol Science, September 2014, Elsevier

    Dr. Hiromu Sakurai

  49. Inkjet Aerosol Generator as Monodisperse Particle Number Standard

    Article • Aerosol Science and Technology, June 2014, Taylor & Francis

    Dr. Hiromu Sakurai

  50. Aerosol Particle Collection Efficiency of Holey Carbon Film-Coated TEM Grids

    Article • Aerosol Science and Technology, June 2014, Taylor & Francis

    Dr. Hiromu Sakurai

  51. First comprehensive inter-comparison of aerosol electrometers for particle sizes up to 200 nm and concentration range 1000 cm−3to 17 000 cm−3

    Article • Metrologia, May 2014, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  52. Design Considerations and Performance Evaluation of a Compact Aerosol Particle Mass Analyzer

    Article • Aerosol Science and Technology, October 2013, Taylor & Francis

    Dr. Hiromu Sakurai

  53. Comparison of Three Particle Number Concentration Calibration Standards Through Calibration of a Single CPC in a Wide Particle Size Range

    Article • Aerosol Science and Technology, November 2012, Taylor & Francis

    Dr. Hiromu Sakurai

  54. Two sources of error in determination of the particle concentration reduction factor of the volatile particle remover used in legislated vehicle emission measurement

    Article • Measurement Science and Technology, July 2011, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  55. Onsite aerosol measurements for various engineered nanomaterials at industrial manufacturing plants

    Article • Journal of Physics Conference Series, July 2011, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  56. Nucleation of Ethylene Glycol Vapor and Growth of Sub-10-nm Particles in Nanoparticle Size Magnifier

    Article • Aerosol Science and Technology, May 2011, Taylor & Francis

    Dr. Hiromu Sakurai

  57. Mass Range and Optimized Operation of the Aerosol Particle Mass Analyzer

    Article • Aerosol Science and Technology, February 2011, Taylor & Francis

    Dr. Hiromu Sakurai

  58. Laboratory Evaluation of a TSI Condensation Particle Counter (Model 3771) Under Airborne Measurement Conditions

    Article • Aerosol Science and Technology, February 2011, Taylor & Francis

    Dr. Hiromu Sakurai

  59. Evaluation of uncertainties in femtoampere current measurement for the number concentration standard of aerosol nanoparticles

    Article • Measurement Science and Technology, December 2010, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  60. Release potential of single-wall carbon nanotubes produced by super-growth method during manufacturing and handling

    Article • Journal of Nanoparticle Research, October 2010, Springer Science + Business Media

    Dr. Hiromu Sakurai

  61. Metrology of airborne and liquid-borne nanoparticles: current status and future needs

    Article • Metrologia, March 2010, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  62. Evaluation of a condensation particle counter for vehicle emission measurement: Experimental procedure and effects of calibration aerosol material

    Article • Journal of Aerosol Science, March 2010, Elsevier

    Dr. Hiromu Sakurai

  63. Development and Evaluation of an Aerosol Generation and Supplying System for Inhalation Experiments of Manufactured Nanoparticles

    Article • Environmental Science & Technology, June 2009, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  64. Dustiness testing of engineered nanomaterials

    Article • Journal of Physics Conference Series, May 2009, Institute of Physics Publishing

    Dr. Hiromu Sakurai

  65. Sampling Nanoparticles for Chemical Analysis by Low Resolution Electrical Mobility Classification

    Article • Environmental Science & Technology, April 2009, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  66. Tandem Measurements of Aerosol Properties—A Review of Mobility Techniques with Extensions

    Article • Aerosol Science and Technology, August 2008, Taylor & Francis

    Dr. Hiromu Sakurai

  67. Characteristics of regional nucleation events in urban East St. Louis

    Article • Atmospheric Environment, June 2007, Elsevier

    Dr. Hiromu Sakurai

  68. Use of the Electrical Aerosol Detector as an Indicator of the Surface Area of Fine Particles Deposited in the Lung

    Article • Journal of the Air & Waste Management Association, February 2007, Taylor & Francis

    Dr. Hiromu Sakurai

  69. Unipolar charging of nanoparticles by the Surface-discharge Microplasma Aerosol Charger (SMAC)

    Article • Journal of Nanoparticle Research, July 2006, Springer Science + Business Media

    Dr. Hiromu Sakurai

  70. Chemical and Physical Properties of Ultrafine Diesel Exhaust Particles Sampled Downstream of a Catalytic Trap

    Article • Environmental Science & Technology, July 2006, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  71. Temporal variations of elemental carbon in Tokyo

    Article • Journal of Geophysical Research Atmospheres, June 2006, American Geophysical Union (AGU)

    Dr. Hiromu Sakurai

  72. Charge neutralization of submicron aerosols using surface-discharge microplasma

    Article • Journal of Aerosol Science, April 2006, Elsevier

    Dr. Hiromu Sakurai

  73. Hygroscopicity and volatility of 4–10 nm particles during summertime atmospheric nucleation events in urban Atlanta

    Article • Journal of Geophysical Research Atmospheres, November 2005, American Geophysical Union (AGU)

    Dr. Hiromu Sakurai

  74. Growth rates of freshly nucleated atmospheric particles in Atlanta

    Article • Journal of Geophysical Research Atmospheres, November 2005, American Geophysical Union (AGU)

    Dr. Hiromu Sakurai

  75. Chemical composition of atmospheric nanoparticles during nucleation events in Atlanta

    Article • Journal of Geophysical Research Atmospheres, November 2005, American Geophysical Union (AGU)

    Dr. Hiromu Sakurai

  76. A criterion for new particle formation in the sulfur‐rich Atlanta atmosphere

    Article • Journal of Geophysical Research Atmospheres, November 2005, American Geophysical Union (AGU)

    Dr. Hiromu Sakurai

  77. Ion Beam Charging of Aerosol Nanoparticles

    Article • Aerosol Science and Technology, August 2005, Taylor & Francis

    Dr. Hiromu Sakurai

  78. Aerosol size distributions measured at the South Pole during ISCAT

    Article • Atmospheric Environment, October 2004, Elsevier

    Dr. Hiromu Sakurai

  79. Size-Dependent Mixing Characteristics of Volatile and Nonvolatile Components in Diesel Exhaust Aerosols

    Article • Environmental Science & Technology, October 2003, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  80. Thermal Desorption Chemical Ionization Mass Spectrometer for Ultrafine Particle Chemical Composition

    Article • Aerosol Science and Technology, June 2003, Taylor & Francis

    Dr. Hiromu Sakurai

  81. On-line measurements of diesel nanoparticle composition and volatility

    Article • Atmospheric Environment, March 2003, Elsevier

    Dr. Hiromu Sakurai

  82. Measurement of Condensed-Phase Reaction Kinetics in the Aerosol Phase Using Single Particle Mass Spectrometry

    Article • The Journal of Physical Chemistry A, October 2002, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  83. Chemical Analysis of Diesel Engine Nanoparticles Using a Nano-DMA/Thermal Desorption Particle Beam Mass Spectrometer

    Article • Environmental Science & Technology, April 2001, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  84. Adsorption of methane molecules on neutral titanium Met-Cars

    Article • The Journal of Chemical Physics, July 1999, American Institute of Physics

    Dr. Hiromu Sakurai

  85. Article • Journal of Cluster Science, January 1999, Springer Science + Business Media

    Dr. Steven Kooi, Dr. Hiromu Sakurai

  86. Ionization Potentials for the Titanium, Zirconium, and the Mixed Metal Met-Cars

    Article • The Journal of Physical Chemistry A, November 1998, American Chemical Society (ACS)

    Dr. Hiromu Sakurai

  87. Titanium−Carbon Clusters:  New Evidence for High Stability of Neutral Met-Cars

    Article • The Journal of Physical Chemistry A, October 1997, American Chemical Society (ACS)

    Dr. Hiromu Sakurai