HEPA
View article: Design and Evaluation of a Hybrid MBBR-Inspired Air Filtration System for the Removal of Airborne Microbial and Gaseous Pollutants
Design and Evaluation of a Hybrid MBBR-Inspired Air Filtration System for the Removal of Airborne Microbial and Gaseous Pollutants Open
Indoor air pollution is a significant public health concern, especially in hospitals, laboratories, public transportation hubs, and densely populated indoor environments. Airborne microorganisms, particulate matter (PM), and volatile organ…
View article: Syarahan Awam: Program Pencegahan Keracunan Kebangsaan (PPKK), Pusat Racun Negara, USM 2025
Syarahan Awam: Program Pencegahan Keracunan Kebangsaan (PPKK), Pusat Racun Negara, USM 2025 Open
This official report, titled "The Silent Poison in Your Home: Indoor Air Quality (IAQ) and The Complete Defense Plan," is published by the National Poison Centre (PRN), Universiti Sains Malaysia (USM), as part of the 2025 National Poison P…
View article: Development of Test Equipment for Particulate Matter Filter Efficiency in Commercial Face Masks
Development of Test Equipment for Particulate Matter Filter Efficiency in Commercial Face Masks Open
Air pollution caused by particulate matter is a critical global concern. In Thailand, particulate matter levels frequently exceed the standard threshold, particularly in the northern region, where severe haze episodes are common. These lev…
View article: Efektivitas Penggunaan High-Efficiency Particulate Air (HEPA) Filter terhadap Asma pada Pasien Anak
Efektivitas Penggunaan High-Efficiency Particulate Air (HEPA) Filter terhadap Asma pada Pasien Anak Open
Asma termasuk salah satu penyakit kronis yang paling sering dijumpai pada anak-anak, dan kemunculannya dapat dipengaruhi oleh faktor lingkungan, seperti kualitas udara dalam ruangan. Salah satu upaya yang dapat dilakukan untuk mengurangi r…
View article: Correction to: S08-2: Challenges of cooperation between urban planning, sustainable mobility, sport, and public health for effective HEPA policies - lessons from Slovenia
Correction to: S08-2: Challenges of cooperation between urban planning, sustainable mobility, sport, and public health for effective HEPA policies - lessons from Slovenia Open
View article: Effectiveness of HEPA Filters in Reducing Airborne Bacteria in Public Health Laboratory Rooms in Bontang City, Indonesia
Effectiveness of HEPA Filters in Reducing Airborne Bacteria in Public Health Laboratory Rooms in Bontang City, Indonesia Open
Air is a basic human need whose quality needs to be maintained, especially in closed environments such as laboratories. Several factors, such as temperature, humidity, lighting, occupancy density, and ventilation systems, affect the presen…
View article: GMP compliant microbiological monitoring in hot cells for radiopharmaceuticals preparations
GMP compliant microbiological monitoring in hot cells for radiopharmaceuticals preparations Open
Radiopharmaceuticals are produced inside specialized equipment named hot cell. The integration between cleanrooms and hot cells allows the radiopharmaceutical production to meet radiological protection and Good Manufacturing Practices (GMP…
View article: Development and testing of a continuous maritime monitor for radionuclide aerosols
Development and testing of a continuous maritime monitor for radionuclide aerosols Open
Monitoring airborne concentrations of radionuclide activity may provide a timely warning to sea-based assets to avoid contamination from a radioactive plume. The development and testing of an automated aerosol monitoring system that can ca…
View article: Effect of HEPA Filtration Air Purifiers on Blood Pressure
Effect of HEPA Filtration Air Purifiers on Blood Pressure Open
The use of in-home HEPA air purifiers resulted in clinically important reductions in SBP for people with elevated SBP in environments with relatively low PM2.5 concentrations.
View article: Eficiência Microbiológica de Sistemas de Filtração HEPA na Prevenção de Bioaerossóis Multirresistentes em Ambientes Hospitalares
Eficiência Microbiológica de Sistemas de Filtração HEPA na Prevenção de Bioaerossóis Multirresistentes em Ambientes Hospitalares Open
A climatização em Centros de Terapia Intensiva (CTI) e enfermarias representa um importante vetor para a disseminação de microrganismos transmitidos por bioaerossóis, expondo pacientes e profissionais de saúde a riscos adicionais. Este est…
View article: Particulate contamination in parenteral fluid from glass ampoules: compliance assessment and comparative analysis of needle types and ampoule-breaking strategies
Particulate contamination in parenteral fluid from glass ampoules: compliance assessment and comparative analysis of needle types and ampoule-breaking strategies Open
Particulate contamination in parenteral fluid poses potential risks when administered. Guidelines recommend using filter needles during fluid withdrawal from glass ampoules. However, studies supporting these guidelines exhibit certain limi…
View article: Enhancing Student Engagement through Strategic Privatization: Analyzing the Impact of the HEPA UKM Strategic Plan 2023-2026 at Universiti Kebangsaan Malaysia
Enhancing Student Engagement through Strategic Privatization: Analyzing the Impact of the HEPA UKM Strategic Plan 2023-2026 at Universiti Kebangsaan Malaysia Open
View article: Effectiveness of indoor plants vs. HEPA purifiers in the removal of PM2.5 and PM10
Effectiveness of indoor plants vs. HEPA purifiers in the removal of PM2.5 and PM10 Open
Particulate matter (PM) is a major contributor to air pollution in many countries, including Thailand. The use of high-efficiency particulate air (HEPA) filters in air purifiers is currently the most common solution. However, in the contex…
View article: Fabrication And Testing of Advance Air Purifier with Viral Filter
Fabrication And Testing of Advance Air Purifier with Viral Filter Open
The increasing concerns over air pollution, allergies, and airborne viruses have heightened the need for efficient air purification systems. Air pollution occurs when harmful or excessive quantities of substances including gases, particles…
View article: Smart Air Monitoring dan HEPA System Menggunakan Metode Fuzzy Logic di Ruangan Publik untuk Kesehatan dan Lingkungan yang Berkelanjutan
Smart Air Monitoring dan HEPA System Menggunakan Metode Fuzzy Logic di Ruangan Publik untuk Kesehatan dan Lingkungan yang Berkelanjutan Open
Kegiatan ini bertujuan untuk meningkatkan kualitas udara dan kesadaran lingkungan di Desa Roomo, Kabupaten Gresik, melalui pengaplikasian Smart Air Monitoring and HEPA System berbasis Panel Surya di Balai Desa Roomo untuk kesehatan dan lin…
View article: Statistical evaluation comparing strength of new and aged nuclear grade HEPA filters
Statistical evaluation comparing strength of new and aged nuclear grade HEPA filters Open
View article: Cost-effectiveness of school integrated pest management and air filtration in students with asthma
Cost-effectiveness of school integrated pest management and air filtration in students with asthma Open
Background: The cost-effectiveness of school environmental remediation in asthma is not known. The School Inner City Asthma Intervention Study (SICAS2) was a randomized controlled trial that assessed school integrated pest management (IPM)…
View article: HePa: Heterogeneous Graph Prompting for All-Level Classification Tasks
HePa: Heterogeneous Graph Prompting for All-Level Classification Tasks Open
Heterogeneous graphs, which are common in real-world downstream tasks, have recently sparked a wave of research interest. The performance of end-to-end heterogeneous graph neural networks (HGNNs) greatly relies on supervised training for s…
View article: Breaking Barriers: The Detrimental Effects of Combined Ragweed and House Dust Mite Allergen Extract Exposure on the Bronchial Epithelium
Breaking Barriers: The Detrimental Effects of Combined Ragweed and House Dust Mite Allergen Extract Exposure on the Bronchial Epithelium Open
(1) Background: Respiratory allergens, particularly ragweed (RW) pollen and house dust mites (HDMs), are major triggers of respiratory inflammation and allergic diseases. This study investigated the impact of single- versus combined-allerg…
View article: Microbiological Surveillance of Air Quality in Cardiac Operation Theatres: Comparison of the Conventional Settle Plate Technique vs Use of an Air Sampling Device
Microbiological Surveillance of Air Quality in Cardiac Operation Theatres: Comparison of the Conventional Settle Plate Technique vs Use of an Air Sampling Device Open
Introduction: Surgical site infections (SSIs) after cardiac surgery poses a serious challenge. The foremost reason for contamination in operating rooms (OR) is airborne. Effective surveillance by air sampling or settle techniques is crucia…
View article: NOVAS PERSPECTIVAS NO TRATAMENTO DA DOENCA HEPATICA GORDUROSA NAO ALCOOLICA (DHGNA)
NOVAS PERSPECTIVAS NO TRATAMENTO DA DOENCA HEPATICA GORDUROSA NAO ALCOOLICA (DHGNA) Open
A Doença Hepática Gordurosa Não Alcoólica (DHGNA) tem se tornado uma preocupação crescente em saúde pública devido à sua alta prevalência e relação direta com a obesidade, diabetes tipo 2 e síndrome metabólica. Este estudo teve como objeti…
View article: Crosstalk Between Hepatitis B Virus and Aflatoxins in Hepa-Tocellular Carcinoma: Epidemiology and Mechanisms
Crosstalk Between Hepatitis B Virus and Aflatoxins in Hepa-Tocellular Carcinoma: Epidemiology and Mechanisms Open
Hepatocellular carcinoma (HCC) is a significant burden on global public health, being one of the main causes of cancer mortality worldwide. This type of cancer has been closely linked to viral and environmental factors, particularly hepati…
View article: Efficacy of Acid-Treated HEPA Filters for Dual Sequestration of Nicotine and Particulate Matter
Efficacy of Acid-Treated HEPA Filters for Dual Sequestration of Nicotine and Particulate Matter Open
Tobacco smoking and electronic cigarette (EC) use are associated with elevated levels of particulate matter (PM) and nicotine in indoor environments. This study assessed filtration and nicotine capture efficiency of untreated and citric ac…
View article: Addressing Environmental Factors in COPD: The Role of HEPA Filters in Indoor Air Quality
Addressing Environmental Factors in COPD: The Role of HEPA Filters in Indoor Air Quality Open
COPD is a major public health issue globally, resulting in significant morbidity, loss of productivity, and increased health expenditure. Air pollution is considered the primary factor leading to the development and progression of COPD. Wh…
View article: Interventions for reducing exposure to air pollution from landscape fires in a changing environment: A systematic review
Interventions for reducing exposure to air pollution from landscape fires in a changing environment: A systematic review Open
Emissions from more frequent and prolonged landscape fires (wildfires, risk reduction fires, agricultural burning) can expose populations to high levels of air pollution and exacerbate a range of health conditions. This systematic review a…
View article: Community-Dwelling Filipino Older Adults’ Experiences with Virtual Coach for Health-Enhancing Physical Activity (HEPA): A Phenomenology
Community-Dwelling Filipino Older Adults’ Experiences with Virtual Coach for Health-Enhancing Physical Activity (HEPA): A Phenomenology Open
Background: Physical inactivity among older adults persists as one of the global burdens. Older adults’ physical activity (PA) levels decline simultaneously with age, causing health problems and poor outcomes. Immersive interventions, such…
View article: Promotion of physical activity-related health competence using digital workplace-based health promotion: a pilot study for office workers
Promotion of physical activity-related health competence using digital workplace-based health promotion: a pilot study for office workers Open
Introduction Engaging in health-enhancing physical activity (HEPA) can reduce the risk of developing chronic diseases, which is particularly important for office workers with sedentary lifestyles. Therefore, time- and location-independent …
View article: Development of a VOC (Volatile Organic Compound) Measurement System to Identify Placebo Phenomenon in Emission Areas
Development of a VOC (Volatile Organic Compound) Measurement System to Identify Placebo Phenomenon in Emission Areas Open
VOCs (volatile organic compounds) can be used as a biomarker of placebo phenomenon, such as stress, panic disorder, health conditions, and many others. VOCs from the exhaled breath have different concentration levels that are also related …
View article: Classroom air quality in a randomized crossover trial with portable HEPA air cleaners
Classroom air quality in a randomized crossover trial with portable HEPA air cleaners Open
View article: Life‑Cycle Management of HEPA Filters in Pharmaceutical Cleanrooms: Replacement Procedure and Frequency Determination
Life‑Cycle Management of HEPA Filters in Pharmaceutical Cleanrooms: Replacement Procedure and Frequency Determination Open
This document presents a practical, compliance‑focused life‑cycle framework for HEPA filters in pharmaceutical cleanrooms, detailing selection and installation, routine performance monitoring (pressure drop, particle counts), a stepwise SO…