Last update: 6 November, 2025

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STEP-5 Resumed



The 5th international workshop on
Static-Tribo-Electricity of Powder


4-5th, December, 2024
The University of Sydney School of Pharmacy, Sydney, Australia
The University of Newcastle, Newcastle, Australia



STEP-5 (resumed) was successfully concluded. Although it was the minimal in-person-workshop in the history of STEP, but all the participants enjoyed the laboratory tours and seminars as well as excursions and social events. Many thanks for your participations and cooperations. And if you missed it, see you in the next STEP!


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After postponed by the pandemic, STEP-5 in Sydney is resumed.


STEP-5 will be held as a half-workshop, in association with The 9th Asian Particle Technology Symposium (APT2024) which is held in Sydney, Australia, 1st-4th December 2024. Attendees will give their technical presentations in the conference, followed by the STEP activity which includes a detailed roundtable discussion, laboratory tour, as well as an informal social gathering to conclude the STEP workshop.


STEP is a discussion-based international workshop on tribo-electricity and particle charging. The workshop scope covers a range of fundamental and applied topics related, but not limited to, the mechanism of generation of electrostatic charge, control of charged particles, measurement of electrostatic charge, and other topics related to tribo-electrisity. The workshop is open to all researchers and engineers in the field of Physics, Chemistry, Chemical Engineering, Electrical Engineering, Mechanical Engineering, and others. The STEP workshop provides an international forum to enable researchers and engineers in the field of tribo-electricity to have interactive dialog and to establish an international network.


organized by
Philip Chi Lip Kwok, chairperson, The University of Sydney School of Pharmacy, Australia
Peter Ireland, co-chairperson, The University of Newcastle, Australia
Tatsushi Matsuyama, secretary general, Soka University, Japan


Attendee List: (including seminar participants):


Preliminary Program
(subject to change: the detailed schedule to be rearranged after the technical program of APT2024 was released)
4th December, Wednesday
13:00-14:00 Lunch by APT2024
14:00-14:30 Transportation from APT2024 to The University of Sydney
14:30-15:30 Campus tour
Chau Chak Wing Museum, The Quadrangle, Pharmacy Building
15:30-16:00 Advanced Drug Delivery Group laboratory tour
Sydney Pharmacy School, The University of Sydney
06:00-16:15 Welcome remarks
Philip Kwok, Sydney Pharmacy School, The University of Sydney (Chair of STEP-5)
16:15-17:00 (invited) Philip Kwok, Sydney Pharmacy School, The University of Sydney
Electrostatics of pharmaceutical aerosols
18:00-20:00 Dinner, in China town, Sydney
5th December, Thursday
08:00-10:30 Transportation from Sydney to Newcastle
assembly point: Amora Hotel Jamison Sydney
10:30-11:30 Laboratory tour
Newcastle Institute for Energy and Resources, The University of Newcastle
11:30-12:30 (invited) Masato Adachi, Kyoto University, Japan
Electrostatic Granular Handling Technology for Space Applications
12:30-13:00 Transportation to the lunch venue
Customs House
13:00-14:00 Lunch
14:00-16:00 excursion in Newcastle
16:00 concluding remarks of STEP-5
move to train station heading to Sydney


LINKs to previous workshops:




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