Fluxes of total mercury (Hg(T)) and monomethylmercury (MMHg) associated with submarine groundwater discharge (SGD) at two sites onthe central California coast were estimated by combining measurements of Hg(T) and MMHg in groundwater with the use of short-lived, naturally occurring radium isotopes as tracers of groundwater inputs. Concentrations of Hg(T) were relatively low, ranging from 1.2 to ...

The oxi-hydroxides, present at trace level in uranium mill tailings, are responsible of about 70% of the 226 radium sorption, half being fixed on crystallized forms. This radionuclide (half time = 1622y), present at high level (50 to 100kBq.kg), can be released in groundwater, involving a possible contamination of the food chain (actual concentration limit = 0.37Bq.l). So, it is very important ...

This little volume deals briefly and completely with the properties of radium both from a therapeutic and physical point of view. Briefly dealing with the observations on the various phenomena which lead to the discovery of radium itself, the author passes to the physical properties of the element, and goes into the differentiation between the alpha, beta and gamma rays. The relationship existi...

publication of an up-to-date manual in a concise and convenient form, which should be in the hands of every practitioner. The more widely such knowledge is spread amongst the profession, the sooner will the day arrive when public opinion backed by the medical profession will demand a radium-institute in this country. Until that day arrives practitioners can only equip themselves to advise their...

Natural iron fertilization promotes the phytoplankton bloom that takes place on the Kerguelen Plateau in the Indian sector of the Southern Ocean. We measured Ra (T1/2 1⁄4 5.75 yr) and Ra (T1/2 1⁄4 1602 yr) in waters above the Kerguelen Plateau in order to provide information on the water-mass pathways, which in turn could help elucidate the mechanisms controlling iron fertilization in that area...

BACKGROUND In Alpharadin in Symptomatic Prostate Cancer (ALSYMPCA) trial, radium-223 versus placebo prolonged overall survival with favorable safety in castration-resistant prostate cancer patients with symptomatic bone metastases. Long-term radium-223 monitoring underlies a comprehensive safety and risk/benefit assessment. OBJECTIVE To report updated ALSYMPCA safety, including long-term safe...

A Python program is presented to expedite the process of correcting raw data and propagating related uncertainties from Radium Delayed Coincidence Counting (RaDeCC) instruments. The performance was validated against an established method with real data. Excellent agreement between determinations excess radium-223, actinium-227, radium-224, thorium-228 radium-226 achieved, minor discrepancies in...

Of all the scientific discoveries of the last year one stands pre-eminent, not only from its scientific importance, but als? from the great public interest it has excited. I refer to discovery by Mons. and Madame Curie of radium. Thl5 discovery was not like that of the Rontgen rays suddenly, but had been led up to by the researches 0 Becquerel and of Rontgen, and was ultimately due to ^e painst...

Two important facts have drawn the attention of medical men to radio-activity. The first fact was the observation that radium rays affect the tissues of the human bod}\ For ljke Ronto-enrays they are able to cause serious injuries to&the skin. The first man who tried to utilise radium rays for medical purposes was Dr. Danlas of the St. Louis Hospital in Paris, who used them successfully to cure...

Fossil Groundwater from the Middle East” I his comment to the paper “High Naturally Occurring Radioactivity in Fossil Groundwater from the Middle East” Dababneh argues that due to its current water crisis Jordan has no option but to allow the use of the Disi aquifer water in spite of the high annual radiation dose levels relative to the World Health Organization (WHO) guidelines. While we recog...