An Integrated Air Monitoring Approach for Assessment of Formaldehyde in the Workplace

The aim of this study is to validate an integrated air monitoring approach for assessing airborne formaldehyde (FA) in the workplace. An active sampling by silica gel impregnated with 2,4-dinitrophenylhydrazine, a passive solid phase microextraction technique using O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine as on-fiber derivatization reagent, an electrochemical direct-reading monitor, and an enzyme-based badge were evaluated and tested over a range of 0.020–5.12 ppm, using dynamically generated FA air concentrations. Simple linear regression analysis showed the four methods were suitable for evaluating airborne FA. Personal and area samplings in 12 anatomy pathology departments showed that the international occupational exposure limits in the GESTIS database were frequently exceeded. This monitoring approach would allow a fast, easy-to-use, and economical evaluation of both current work practices and eventual changes made to reduce FA vapor concentrations.

O caso Paco: um exemplo de neodesencadeamento / The Paco case: an example of neo-onset / El caso Paco: un ejemplo de neodesencadenamiento

Este trabalho é produto de uma investigação empreendida sobre O estatuto contemporâneo das identificações em sujeitos com marcas e alterações corporais, no Programa de Pós-graduação em Psicologia Clínica da Universidade Católica de Pernambuco. Foram estudados os depoimentos coletados em outra pesquisa realizada no âmbito da Antropologia pela pesquisadora Fabiana Maria Gama Pereira, intitulada Tatuagens, piercings e outras marcas corporais: aproximações interetnográficas entre Recife e Madri. A metodologia utilizada foi a meta-análise. Os relatos de quatro sujeitos que submeteram seus corpos a alterações corporais foram analisados com base nos pressupostos da psicanálise. Eles foram divididos em dois grupos: o primeiro, composto por três sujeitos que marcam seus corpos para o Outro em busca de reconhecimento; e o outro, por um sujeito que ancora seu ser em suas modificações corporais e tem uma modalidade identificatória peculiar a uma insígnia de gozo. Nosso objetivo é demonstrar que o caso do sujeito do segundo grupo representa um exemplo paradigmático de um neodesencadeamento psicótico.

This work results from an investigation on the Contemporary Statute of the Identification Devices in Subjects with Body Marks and Changes in the Program of Post-Graduation in Clinical Psychology of Pernambuco State’s Catholic University. Testimonies from another research (Tattoos, piercings and other body marks: inter-ethnographic similarities between Recife and Madrid) were studied in the scope of Anthropology by researcher Fabiana Maria Gama Pereira. The methodology employed was meta-analysis. Interviews with four subjects who underwent body changes were analyzed according to the principles of psychoanalysis. They were divided into two groups, the first made up of three subjects who mark their bodies for the Other in search of recognition and the second consisting of one subject who anchors his being in his body changes and shows an identifying modality similar to a pleasure badge. Our aim is to show that this particular case represents a paradigm for a psychotic neo-onset.

Este trabajo es el producto de una investigación realizada sobre La situación contemporánea de las identificaciones en sujetos con modificaciones corporales en el programa del Posgrado en Psicología Clínica de la Universidad Católica de Pernambuco. Fueron estudiados los datos colectados en otra pesquisa del campo de la etnología por la pesquisadora Fabiana Maria da Gama Pereira, titulada Tatuajes, piercings y otras alteraciones corporales: similitudes interetnográficas entre Recife y Madrid. El meta-análisis fue la metodología utilizada. Lo relatado por los cuatro sujetos fue analizado desde la teoría psicoanalítica. Los sujetos fueron repartidos en dos grupos: el primero fue compuesto por tres sujetos que modifican sus cuerpos para el otro en búsqueda de su reconocimiento; y el otro por un sujeto que ancla su ser en sus modificaciones y posee una modalidad identificatoria peculiar a una insignia del goce. Nuestro propósito es demostrar que su caso es un ejemplo típico del neodesencadenamiento psicótico.

Developmental Toxicity by Exposure to Bisphenol A Diglycidyl Ether during Gestation and Lactation Period in Sprague-dawley Male Rats / 예방의학회지

OBJECTIVES: Bisphenol A diglycidyl ether (BADGE) is the major component in commercial liquid epoxy resins, which are manufactured by co-reacting bisphenol A with epichlorohydrin. This study was performed to show the developmental effects of prenatal and postnatal exposures to BADGE in male rat offspring. METHODS: Mated female rats were divided into four groups, each containing 12 rats. The dosing solutions were prepared by thoroughly mixing BADGE in corn oil at the 0, 375, 1500 and 3000 mg/kg/day concentrations. Mated females were dosed once daily by oral gavage on gestation day (GD) 6 - 20 and postnatal day (PND) 0 - 21. Pregnant female dams were observed general symptoms and body weight. Also, male pups were observed the general symptoms, body weight, developmental parameters (e.g. anogenital distance, pina detachment, incisor eruption, nipple retention, eye opening, testis descent), organ pathologic changes and hormone levels of plasma. RESULTS: Pregnant rats treated with BADGE died at a rate of about 70% in the 1500 mg/kg/day group and all rats treated with 3000 mg/kg/day died. Body weight, for male pups treated with doses of 375 mg/kg/day, was significantly lower than in the control group at PND 42, 56, and 63 (p<0.05). Evaluation of body characteristics including; separation of auricle, eruption of incisor, separation of eyelid, nipple retention, descent of testis, and separation of the prepuce in the BADGE treated group showed no difference in comparisons with the control group. AGD and adjusted AGD (mm/kg) for general developmental items in BADGE 375 mg/kg/day treated pups tended to be longer than in controls, however, these differences were not statistically significant. Relative weights of adrenal gland, lung (p<0.05), brain, epididymis, prostate, and testis (p<0.01) were heavier than in control in measures at PND 9 weeks. There were no significant changes in comparisons of histological findings of these organs. Loss of spermatids was observed in the seminiferous tubule at PND 9 weeks, but no weight changes were observed. The plasma estrogen levels were similar in the control and treatment groups at PND 3, 6 and 9 weeks. The plasma testosterone levels in the control group tended to increase with age. However, in the BADGE 375 mg/kg/day treated male pups it did not tend to increase. CONCLUSIONS: These findings suggest that BADGE is a chemical that has developmental effects consistent with it being an endocrine disruptor.