"Nuage" in the primordial germ cells of the chick embryo.
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Animals↗
Biomedical subjects
L Dominguez
Publications and source records attributed to L Dominguez.
Tolerability and efficacy of high-dose furosemide and small-volume hypertonic saline solution in refractory congestive heart failure.
Thirty patients aged 65-85 years, with refractory New York Heart Association (NYHA) class IV congestive heart failure (CHF) were treated with an intravenous infusion of furosemide (250-2000 mg/d) and small-volume hypertonic saline solution (150 mL of 1.4-4.6% NaCl) twice a day for 6 to 12 days. A daily fluid oral intake of 1000 mL and previous cardiac therapy were maintained. Clinical signs and symptoms of CHF, such as dyspnea, edema and weakness, improved, as did severity of illness as defined by NYHA class. The infusion was well tolerated. After a 12-month follow-up, 24 patients (80%) were alive and in the NYHA class assigned on discharge from the hospital. This therapeutic combination is effective and well tolerated and should represent an innovative approach to the management of refractory CHF.
Aged↗
Determination of aflatoxin M1 in milk and milk products contaminated at low levels.
A new method is described for the determination of aflatoxin M1 in milk and dairy products by thin layer chromatography. The main characteristic is the extraction system using an alkaline solution. Lipids are removed by centrifuging at low temperatures, and the aflatoxins are then extracted with CHCl3. The method has 2 options: Technique II (detection limit 0.02 ppb) requires cleanup on a chromatographic column; this is not necessary in Technique I (detection limit 0.1 ppb). The recovery rate in both techniques is over 92.8% in milk and yoghurt. This method may also be used for other aflatoxins. Because of the advantages of the method, Technique II is recommended for aflatoxin M1 control in milk, where a low detection limit is necessary. Technique I is proposed for experimental aflatoxin production studies in dairy products, which require analysis of a large number of samples but which do not require a very low detection limit.
Aflatoxin B1↗