The city of Comodoro Rivadavia, in the province of Chubut, is located on the shores of the Argentinean Sea, in the central zone of the San Jorge Basin. Its climate is arid with little rainfall. In this work, the aerosol optical data of the aerosols of the AERONET/NASA network station that is installed in the monitoring station (45,792º S; 67,463º W) of the General Enrique Mosconi International Airport are analyzed statistically and correlated the wind direction results that affect the city by 2015. It is mostly affected by winds from the West quadrant from the mountain range, and winds from the East quadrant from the sea. These two wind directions cause transport of two types of aerosols: marine and dust. To exemplify the characteristics of the aerosols mobilized by these two wind directions, the measurements of the solar photometer are studied for January 21th and 22th, 2015. The optical characteristics of the suspended aerosols in the atmosphere are determined for those days.

La ciudad de Comodoro Rivadavia, en la provincia de Chubut, se encuentra a orillas del mar Argentino, en la zona central de la Cuenca de San Jorge. Su clima es de tipo árido con pocas precipitaciones. En este trabajo, se analizan estadísticamente los datos del espesor óptico de los aerosoles de la estación de red AERONET/NASA que se encuentra instalado en la estación de monitoreo (45,792º S; 67,463º O) del Aeropuerto Internacional General Enrique Mosconi y se correlacionan los resultados con la dirección del viento que afectan a la ciudad para el año 2015. La misma es afectada mayormente por vientos del cuadrante Oeste provenientes desde la cordillera, y por vientos del cuadrante Este desde el mar. Estas dos direcciones del viento provocan transporte de dos tipos de aerosoles: los marinos y el polvo. Para ejemplificar las características de los aerosoles movilizados por estas dos direcciones del viento, se estudian las mediciones del fotómetro solar para los días 21 y 22 de enero de 2015. Se determinan para esos días las características ópticas de los aerosoles en suspensión en la atmósfera.

On April 20th, 2017, a new sunphotometer of the AERONET - NASA network was installed inPilar, province of Córdoba, at the dependencies of the National Meteorological Service in order to measure the aerosol load of the region and especially to detect the biomass burning events that affect the center and north of the territory, and subsequently arrive to the province of Buenos Aires and La Pampa due to the wind transport. Afterinstalling this new instrument, the network has now 7 sunphotometerin the country, performing sistematic measurements. The first equipment was installed at CEILAP-UNIDEF (MINDEF-CONICET) - CITEDEF, on October 17th, 1999 in Buenos Aires. In this work the results obtained from a statistical analysis of the measurements from the 7 active stations are presented: CEILAP-BA, CEILAP-RG, CEILAP-Comodoro, CEILAP-Bariloche, CEILAP-Neuquén, Trelew and Pilar-Córdoba, to determine the monthly averaged values, aerosol optical depth tendencies, Ångstrӧm coefficient and classification of the typical aerosol-suspended type for each station.

El 20 de abril de 2017 se instaló un nuevo fotómetro solar de la red AERONET - NASA en Pilar, provincia de Córdoba, en dependencias del Servicio Meteorológico Nacional, con el fin de medir la carga aerosólica de la región y sobre todo detectar los eventos de quema de biomasa que afectan el centro y norte del territorio, y que posteriormente - debido al transporte del viento - arriban a la provincia de Buenos Aires y La Pampa. Con la instalación de este nuevo instrumento, la red de fotómetros solares pasa a tener 7 equipos en el país, los cuales realizan sistemáticamente mediciones. Cabe destacar que el primer equipo se instaló en el CEILAP- UNIDEF (MINDEF-CONICET) - CITEDEF, el 17 de octubre de 1999 en Buenos Aires. En este trabajo se presentan los resultados obtenidos de un análisis estadístico efectuado sobre las mediciones de las 7 estaciones activas: CEILAP-BA, CEILAP-RG, CEILAP-Comodoro, CEILAP-Bariloche, CEILAP-Neuquén, Trelewy Pilar- Córdoba, con el propósito de determinar valores medios mensuales, tendencias de espesores ópticos de aerosoles, coeficiente de Ångstrӧm y clasificación del tipo de aerosol típico en suspensión en cada estación.

Botulinum toxin is the most potent toxin known. It is readily absorbed from mucosal surfaces. If dispersed as an aerosol or mixed in the food or water it can lead to a large outbreak of botulism. The disease presents as a symmetric descending paralysis in an afebrile patient. Cranial nerve involvement with diplopia, dysarthria, dysphonia, dysphagia and respiratory paralysis is seen after a variable incubation period. The treatment is mainly supportive. The source of the toxin is Clostridium botulinum, an anaerobic gram-positive spore-forming organism. Some other species of Clostridium like C. butyricum and C. baratii also produce the toxin. The toxin is heat labile and can be inactivated by heating at 100°C for 10 minutes. The toxin acts at the peripheral cholinergic nerve terminals at the neuromuscular junctions, postganglionic parasympathetic ganglia, etc, and affects neurotransmitter release by inhibiting exocytosis. Clinical uses in various medical fields were found for it.

Snakebite is an important medical emergency. Anti-snake venom along with supportive care is the only specific treatment. However, many people put their faith in non-registered medical practitioners. Where medical aid is available, lack of trained health personnel jeopardizes the situation. This retrospective study, the first of its kind, was aimed at studying the pre-hospital treatment as well as the behavior of patients bitten by snakes and referred to the Postgraduate Institute of Medical Education and Research, Chandigarh, India. A total of 88 cases that occurred between January 1997 and December 2001 were studied. Seventy patients received treatment prior to admission (the majority was treated by non-registered medical practitioners, registered medical practitioners, and MBBS doctors). The various treatment modalities used were: anti-snake venom (ASV), tourniquet, incision and drainage (I&D), tetanus toxoid, injections, and tablets. Non-registered medical practitioners still preferred tourniquet and I&D. The patients who were referred within 24 hours stayed less time in the hospital and spent less money on the treatment compared to those who were referred after 24 hours. Non-registered medical practitioners and inadequately trained health staff are often the first contact of snakebite victims. Their traditional and unscientific methods of treatment lead to unnecessary morbidity and increased treatment cost. It is therefore necessary to train these people adequately so that proper treatment can be instituted at the earliest.