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List of works by Ziqing Zhuang

A comparison of total inward leakage measured using sodium chloride (NaCl) and corn oil aerosol methods for air-purifying respirators

journal article published in 2018

A manikin-based assessment of loose-fitting powered air-purifying respirator performance at variable flow rates and work rates

journal article published in 2023

A new approach to developing digital 3-D headforms ⬇️

conference proceedings item published in 2008

A novel algorithm for determining contact area between a respirator and a headform

journal article published in 2014

A pilot study of minimum operational flow for loose-fitting powered air-purifying respirators used in healthcare cleaning services

journal article published in 2019

A technique to measure respirator protection factors against aerosol particles in simulated workplace settings using portable instruments

journal article published in 2020

Adequacy of six exercises for laboratory testing of respirator performance ⬇️

abstract published in 2000

Advanced Headforms for Evaluating Respirator Fit ⬇️

NIOSH Science Blog post published in 2013

Anthropometric survey of respirator users ⬇️

abstract published in 2004

Anthropometric survey of respirator users ⬇️

publication published in 2001

Application of direct-reading and elemental carbon analysis methods to measure mass-based penetration of carbon nanotubes through elastomeric half-face and filtering facepiece respirators

journal article published in 2016

Assessment of respirator fit capability test criteria for full-facepiece air-purifying respirators

journal article published in 2019

Assessment of two personal breathing recording devices in a simulated healthcare environment ⬇️

journal article published in 2018

Assessment of two portable real-time particle monitors used in nanomaterial workplace exposure evaluations

journal article published in 2014

Association of body mass index with facial dimensions for defining respirator fit test panels ⬇️

journal article published in 2006

Association of body mass index with facial dimensions for defining respiratory fit panels ⬇️

abstract published in 2006

Biomechanical evaluation of assistive devices for transferring residents

journal article published in 1999

Biomechanical modeling and 3D simulation of firefighting tasks

conference proceedings item published in 2020

Comfortable SCBA weights from biomechanical models for firefighting tasks

conference proceedings item published in 2021

Commentary: the use of respirators to reduce inhalation of airborne biological agents

publication published in 2013

Comparison of ISO work of breathing and NIOSH breathing resistance measurements for air-purifying respirators

journal article published in 2021

Comparison of five methods for fit-testing N95 filtering-facepiece respirators

journal article published in 2002

Comparison of simulated workplace protection factors offered by N95 and P100 filtering facepiece and elastomeric half-mask respirators against particles of 10 to 400 nm

journal article published in 2015

Comparison of six quantitative fit test methods using full facepiece respirators with a measurement of exposure ⬇️

journal article published in 2002

Comparison of six respirator fit-test methods with an actual measurement of exposure in a simulated health care environment: part I - protocol development

journal article published in 1998

Comparison of six respirator fit-test methods with an actual measurement of exposure in a simulated health care environment: part II - method comparison testing

journal article published in 1998

Comparison of six respirator fittest methods with an actual measurement of exposure using fullfacepiece respirators ⬇️

abstract published in 2000

Comparison of the companion and modified PortaCount methods for fit testing N95 respirators ⬇️

conference abstract published in 1999

Comparison of three methods to convert Chinese mining dust exposure into respirable fraction

abstract published in 1998

Comparison of two newly developed methods for fit testing N95 respirators ⬇️

journal article published in 1998

Computational fluid dynamics simulation of flow of exhaled particles from powered-air purifying respirators

conference proceedings item published in 2019

Contact pressure study of N95 filtering face-piece respirators using finite element method

journal article published in 2010

Correlation between quantitative fit factors and protection factors measured under actual workplace environments at a steel foundry ⬇️

abstract published in 2002

Correlation between quantitative fit factors and workplace protection factors measured in actual workplace environments at a steel foundry

journal article published in 2003

Correlation between respirator fit and respirator fit test panel cells by respirator size

journal article published in 2008

Correlation of respirator fit measured on human subjects and a static advanced headform

journal article published in 2015

Criteria for the collection of useful respirator performance data in the workplace

journal article published in 2014

Determining sample size and a passing criterion for respirator fit-test panels

journal article published in 2014

Development of a glove end of service life indicator (ESLI) for weak organic and inorganic acids

abstract published in 2002

Development of a manikin-based performance evaluation method for loose-fitting powered air-purifying respirators ⬇️

journal article published in 2017

Development of a new test system to determine penetration of multi-walled carbon nanotubes through filtering facepiece respirators

journal article published in 2013

Development of an advanced respirator fit-test headform

journal article published in 2014

Digital 3-D headforms representative of Chinese workers

journal article published in 2012

Digital 3-D headforms with facial features representative of the current US workforce

journal article published in 2010

Effect of good- and poor-fitting half-mask respirators on protection under actual workplace environments at a steel foundry ⬇️

abstract published in 2001

Effect of upper strap downward displacement on N95 filtering facepiece respirator fit factors: a pilot study

journal article published in 2014

Effects of breathing frequency and flow rate on the total inward leakage of an elastomeric half-mask donned on an advanced manikin headform

journal article published in 2014

Errors associated with three methods of assessing respirator fit

journal article published in 2006

Estimating historical respirable crystalline silica exposures for Chinese pottery workers and iron/copper, tin, and tungsten miners

journal article published in 2001

Evaluating the representativeness of the LANL respirator fit test panels for the current U.S. civilian workers ⬇️

conference abstract published in 2004

Evaluating the representativeness of the LANL respirator fit test panels for the current U.S. civilian workers ⬇️

journal article published in 2004

Evaluation of new strategies for measuring Freon-113 exposure dose to be correlated to quantitative fit factor ⬇️

abstract published in 2001

Evaluation of sampling probes for fit testing N95 filtering facepiece respirators

journal article published in 2013

Evaluation of the benefit of the user seal check on N95 filtering facepiece respirator fit

journal article published in 2012

Evaluation of the effects of wiping decontamination for filter cartridges of elastomeric half-mask respirators (EHMRs)

journal article published in 2023

Evaluation of total inward leakage for NIOSH-approved elastomeric half-facepiece, full-facepiece, and powered air-purifying respirators using sodium chloride and corn oil aerosols

journal article published in 2021

Exposure profile effects on quantitative fit-factor assessment ⬇️

abstract published in 2000

Exposure profile effects on the concentration of Freon®-113 in exhaled air ⬇️

journal article published in 2002

Facial anthropometric differences among gender, ethnicity, and age groups

journal article published in 2010

Facial anthropometric differences among race/age groups ⬇️

abstract published in 2005

Facial shape variation of U.S. respirator users

conference proceedings item published in 2009

Field performance measurements of half-facepiece respirators correlation between workplace protection factors and fit factors

abstract published in 1998

Field performance measurements of half-facepiece respirators: developing probability estimates to evaluate the adequacy of an APF of 10

journal article published in 1998

Field performance measurements of half-facepiece respirators: steel mill operations

journal article published in 1998

Fit Assessment of N95 filtering-facepiece respirators in the U.S. Centers for Disease Control and Prevention strategic national stockpile ⬇️

journal article published in 2015

Fit evaluation of NIOSH Approved N95 filtering facepiece respirators with various skin protectants: a pilot study

journal article published in 2023

Fit evaluation of NIOSH Approved N95 filtering facepiece respirators with various skin protectants: a pilot study (dataset) ⬇️

research dataset published in 2023

Fitting characteristics of N95 filtering facepiece respirators used widely in China

journal article published in 2014

Fitting characteristics of eighteen N95 filtering-facepiece respirators

journal article published in 2004

Head-and-face anthropometric survey of Chinese workers

journal article published in 2008

Head-and-face anthropometric survey of U.S. respirator users

journal article published in 2005

Head-and-face shape variations of U.S. civilian workers

journal article published in 2013

Headform and N95 filtering facepiece respirator interaction: contact pressure simulation and validation

journal article published in 2012

Impact of multiple consecutive donnings on filtering facepiece respirator fit

journal article published in 2012

Inward leakage variability between respirator fit test panels - part I. Deterministic approach

journal article published in 2015

Inward leakage variability between respirator fit test panels - part II. Probabilistic approach

journal article published in 2016

Laboratory assessment of bacterial contamination of a sterile environment when using respirators not traditionally used in a sterile field environment

journal article published in 2022

Laboratory faceseal leakage evaluation of N95 filtering facepiece respirators against nanoparticles and "all size" particles

journal article published in 2013

Laboratory study to assess causative factors affecting temporal changes in filtering facepiece respirator fit: part I - pilot study

journal article published in 2011

Letter to the editor: Correction to "Head-and-face anthropometric survey of U.S. respirator users," (J Occup Environ Hyg 2005 Nov; 2(11):567-576)

publication published in 2010

Measurement of Freon-113 exposure dose in exhaled breath samples using GC/MS with preconcentration ⬇️

conference abstract published in 2004

Measurement of mass-based carbon nanotube penetration through filtering facepiece respirator filtering media

journal article published in 2014

Natural rubber latex (NRL) allergens are more often detected in dust than air ⬇️

conference abstract published in 2000

New NIOSH Study Supports the OSHA Annual Fit Testing Requirements for Filtering Facepiece Respirators ⬇️

NIOSH Science Blog post published in 2016

New respirator fit test panels representing the current Chinese civilian workers

journal article published in 2009

New respirator fit test panels representing the current U.S. civilian work force

journal article published in 2007

New respirator performance monitor (RePM) for powered air-purifying respirators

journal article published in 2020

New technique to evaluate decontamination methods for filtering facepiece respirators

journal article published in 2021

Numerical simulations of exhaled particles from wearers of powered air purifying respirators ⬇️

journal article published in 2019

Particulate respiratory protection - overview, emerging issues and research needs ⬇️

book or book chapter published in 2010

Performance comparison of field portable instruments to the scanning mobility particle sizer using monodispersed and polydispersed sodium chloride aerosols

journal article published in 2018

Performance of N95 FFRs against combustion and NaCl aerosols in dry and moderately humid air: manikin-based study

journal article published in 2016

Performance of eighteen N95 filtering-facepiece models ⬇️

abstract published in 2002

Photoacoustic FTIR spectroscopy for crystalline sillca analysis

abstract published in 1998

Probability of overexposure and adequacy of the assigned protection factor for half-facepiece respirators

abstract published in 1998

Psychophysical assessment of assistive devices for transferring patients/residents

journal article published in 2000

Quantitative fit-testing of N95 respirators: part I-method development ⬇️

journal article published in 1998

Quantitative fit-testing of N95 respirators: part II--results, effect of filter penetration, fit-test, and pass/fail criteria on respirator performance ⬇️

journal article published in 1998

Recapturing the sizing issues of respirator fit-test panels for emergency response ⬇️

conference abstract published in 2002

Recent NIOSH research on fit-test ⬇️

conference abstract published in 2002

Recommended test methods and pass/fail criteria for a respirator fit capability test of half-mask air-purifying respirators

journal article published in 2017

Reducing respirator fit test errors: a multi-donning approach

journal article published in 2005

Reducing respirator fit-test errors: a multi-donning approach ⬇️

abstract published in 2002

Respirator performance against nanoparticles under simulated workplace activities

journal article published in 2015

Respirator probe bias evaluation using the advanced headform respirator test system ⬇️

abstract published in 2016

Respiratory Protection for Workers Handling Engineered Nanoparticles ⬇️

NIOSH Science Blog post published in 2011

Respiratory protection against bioaerosols: literature review and research needs

journal article published in 2004

Respiratory protection against nanoparticle exposure in workplaces ⬇️

chapter published in 2017

Sensitivity analysis of important parameters affecting contact pressure between a respirator and a headform

journal article published in 2011

Setting the respirator research agenda ⬇️

abstract published in 2002

Shape analysis of 3D head scan data for U.S. respirator users

journal article published in 2010

Silica exposure and silicosis among tin miners in China: exposure response analyses and risk assessment

abstract published in 1998

Simulated effects of head movement on contact pressures between headforms and N95 filtering facepiece respirators - part 1: headform model and validation

journal article published in 2014

Simulated effects of head movement on contact pressures between headforms and N95 filtering facepiece respirators part 2: simulation

journal article published in 2014

Simulated workplace performance of N95 respirators

journal article published in 1999

Simulating the interaction between a respirator and a headform using LS-DYNA

journal article published in 2009

Simulation and evaluation of respirator faceseal leaks using computational fluid dynamics and infrared imaging

journal article published in 2013

Speech intelligibility test methodology applied to powered air-purifying respirators used in healthcare

journal article published in 2021

Temporal changes in filtering-facepiece respirator fit

journal article published in 2016

The National Occupational Health Survey of Mining: magnitude of potential exposures to musculoskeletal overload conditions

conference proceedings item published in 1995

The ability of five fit-test methods to screen out poorly fitting N95 filtering-facepiece respirators ⬇️

abstract published in 2001

The effect of ambient aerosol concentration and exercise on Portacount quantitative fit factors ⬇️

journal article published in 2004

The effect of ambient aerosol concentration and exercise on Portacount quantitative fit factors ⬇️

abstract published in 2004

The effect of ambient concentration and exercise on PortaCount quantitative fit factors ⬇️

conference abstract published in 1999

The effect of subject characteristics and respirator features on respirator fit

journal article published in 2005

The effect of subject characteristics and respirator features on respirator fit ⬇️

abstract published in 2003

The efficacy of four fit-test methods with N95 filtering-facepiece respirators ⬇️

abstract published in 2000

The efficacy of the Bitrex Qualitative Fit Test Method with N95 filtering-facepiece respirators ⬇️

conference abstract published in 1999

Total outward leakage of half-mask respirators and surgical masks used for source control

journal article published in 2023

Two approaches to convert historical mining dust exposures into respirable fraction based on microscope sizing measurements ⬇️

journal article published in 1999

Two new approaches for developing respirator fit-test panels representative of U.S. workers ⬇️

abstract published in 2002

Validation of computational fluid dynamics models for evaluating loose-fitting powered air-purifying respirators

conference proceedings item published in 2018

Variations in head-and-face shape of Chinese civilian workers

journal article published in 2015

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