OBJECTIVES The study was undertaken to update a previous study of employees from a resins and plastics research and development facility and to further examine the mortality of these employees with particular emphasis on deaths due to pancreatic cancer. METHODS This retrospective cohort study examined mortality from 1962 to 1992 for 257 men who were employed for at least one year during a 14 ...

The gold-label-silver-stain method (GLSS) for DNA hybridization detection has been receiving increased interest as a colorimetric detective method, demonstrating the advantages of non-radioactivity, non-quenching effect of fluorescence and simplicity for analytical equipment. A colorimetric detection based on the GLSS method was applied to DNA arrays in situ synthesized on polypropylene (PP) sl...

The toxic effect of microplastics on living organisms is emerging as a serious environmental issue nowadays. biofilm formed their surface by microorganisms can further increase the toxicity, but mechanism formation not yet fully understood because complexities other factors. This study aimed to identify factors with an important influence microplastic surfaces. microtiter plate assay was used e...

An intra-laboratory calibration to quantify microplastic in fine-grained marine sediments was performed with two objectives: (a) determine the recovery rate of self-produced microplastics characterized by a size ranging from 220 µm 5 mm and differing color (pink, orange, gray, yellow, silver), shape (fragments, filaments, spheres, films), chemical composition (polystyrene, polyethylene, polyvin...

This study aimed to establish primary reactions and identify gaseous products during fast pyrolysis of low-density polyethylene (LDPE), polypropylene (PP) polystyrene (PS). Fast was performed by using Py-GC/MS/FID at 574 ± 22 °C for 5 s. Gaseous fractions formed LDPE, PP PS were 14 1 wt%, 31 3 wt% 103 12 respectively. The main compounds from LDPE butane, 1-pentane 1-hexene. gave propene, pentan...

Graphene possesses not only excellent optical, electrical and thermal properties but also outstanding thermoelectric photothermal conversion capabilities. The application of graphene with functional responses plays a vital role in the development intelligent materials intended for flexible actuators robots. Cellulose paper is foldable hydrophilic network comprised porous cellulose fibres. In th...

the creep/recovery behavior of wood flour-polypropylene was compared with medium density fiberboard (mdf) and particleboard. for this purpose, wood flour-polypropylene composites (with and without compatibilizer)were manufactured by using a laboratory twin-screw extruder. the mdf and particleboard panels were obtained from local producers. short term flexural creep tests at 30% of ultimate bend...

Abstract Indonesia has established a national action plan on marine plastic debris to tackle the issue of debris. Because most in is likely due mismanaged waste, it important address problem riverine river Indonesia. The objectives this study are visually observe condition terms pollution, quantify litter river, and develop visual counting model quantification. (> 2.5 cm) method based Europe...