Publications by authors named "M Chenniappan"

Article Synopsis
  • - The study focused on noise-induced hearing loss among power loom workers in Tamil Nadu, India, aiming to assess noise exposure levels and determine the prevalence of hearing loss among workers.
  • - A total of 123 workers were surveyed, revealing that 88.5% were exposed to noise levels of ≥ 95 dB (A), with a hearing loss prevalence of 71.6%. Important factors linked to hearing loss included age, literacy level, and years of service in the industry.
  • - To address these issues, the study recommends improved education on occupational hazards, stricter safety regulations, regular hearing tests, and the implementation of hearing conservation programs in noisy workplaces.
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This study aims to investigate the pulmonary functions and respiratory symptoms of workers in the neem oil extraction industry in Tamil Nadu, India, who are exposed to neem oil dust and chemicalsin their occupational environment. Fifty male workers from the exposed group and 50 male workers from the non-exposed group to neem dust and chemicals were investigated for this study. A modified respiratory assessment questionnaire based on the American Thoracic Society (ATS) standard and portable hand-held spirometry were used to assess their respiratory symptoms and pulmonary function.

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Background: Textile-sizing mill workers are exposed to various hazards in the sizing units during their working hours and are at risk of acquiring lung impairments due to the usage of sizing chemicals in the sizing process.

Objective: The main aim of this study is to assess the influence of cotton dust and sizing agents on lung function and breathing difficulties among Indian textile sizing mill workers.

Methods: This cross-sectional study was carried out at a textile-sizing mill from August 2022 to September 2022.

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The major emission sources of NO are from automobiles, trucks, and various non-road vehicles, power plants, coal fired boilers, cement kilns, turbines, etc. Plasma reactor technology is widely used in gas conversion applications, such as NOx conversion into useful chemical by-product. Among the plasma treatment techniques, nonthermal plasma (NTP) is widely used because it does not cause any damage to the surfaces of the reacting chamber.

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