INTRODUCTION out according to the method of Luft (9) . The fixative available in the present study was 1 .25% glutaraldeThe presence of neurotubules with a diameter of hyde containing 5% sucrose and 500 ppm ruthenium about 200-250 A was first described in nervous red, and buffered with 0 .1 M cacodylate at pH 7.4 . tissue by Palay (11) . Similar components, the All specimens, after fixation in ...

The aim of this study is to determine suitable conditions for egg disinfection of gilthead sea bream (Sparus aurata), red porgy (Pagrus pagrus), and common dentex (Dentex dentex) with glutaraldehyde, hydrogen peroxide and iodine. The eggs were disinfected with 200 ppm glutaraldehyde (T= 2, 4, 8, 16 min), 300 ppm hydrogen peroxide and iodine (T= 5, 10, 15, 20 min) at four different contact times...

BACKGROUND Ground corncob animal bedding and corn food products contain substances that disrupt endocrine function in rats. The disruptors were identified as isomeric mixtures of tetrahydrofurandiols (THF-diols; 9,12-oxy-10,13-dihydroxyoctadecanoic acid and 10,13-oxy-9,12-dihydroxyoctadecanoic acid) and leukotoxindiols (LTX-diols; 9,10-dihydroxy-12-octadecenoic acid and 12,13-dihydroxy-9-octade...

The preservative methylchloroisothiazolinone/methylisothiazolinone (MCI/MI) is a well-known sensitiser and present in most baseline series since at least 20 years. The proportions of MCI/MI are 3:1. MI alone has been used as a preservative in occupational and household products, and cosmetics since less than 10 years. MCI/MI tested at 100 ppm fails to detect a significant percentage of contact-...

In order to erase reactive oxygen species (ROS) related with the proliferation of tumor cells by reducing activity of hydrogen, we developed functional water containing nano-bubbles (diameters: <900 nm for 71%/population) hydrogen of 1.1-1.5 ppm (the theoretical maximum: 1.6 ppm) with a reducing ability (an oxidation-reduction potential -650 mV, normal water: +100-200 mV) using a microporous-fi...

The need to reduce carbon emissions and fuel poverty has led to increased building envelope air tightness, intended to reduce uncontrolled ventilation heat losses. Ventilation strategies in dwellings still allow the use of trickle ventilators in window frames for background ventilation. The extent to which this results in "healthy" Indoor Air Quality (IAQ) in recently constructed dwellings was ...

an experiment was conducted to study the effects of different concentrations of silver thiosulfate (sts) (0.25, 0.5, 1 and 2 mm), sucrose (2.5, 5, 7.5 and 10 %), humic acid (100, 500, 1000, 5000 and 10000 ppm) and banzyl adenine (5, 10, 20 and 40 ppm) on vaselife of cut ‘tempo’ carnation flowers. the experiment was arranged in a compeletly randomized design. the results of means comparison indi...

Cattle, fat (of which no more than 0.1 ppm is tetrachlorvinphos per se) ..................................................................... 0 .2 8/18/13 Cattle, kidney (of which no more than 0.05 ppm is tetrachlorvinphos per se) ............................................................. 1 .0 8/18/13 Cattle, liver (of which no more than 0.05 ppm is tetrachlorvinphos per se) ...................

OBJECTIVE Four plant extracts possessing molluscicidal and insecticidal efficacy were evaluated under laboratory conditions versus Biomphalaria alexandrina, Lymnea cailliaudi snails, their egg masses and Culex pipiens larvae. These extracts included Grape seed, Eucalyptus, Pomegranate, Verbesina alcoholic extracts, as well as Eucalyptus oil. METHODS Different mortalities in the exposed vector...

Abstract. Avocado pollen was germinated in vitro without recourse to germination on the style. The technique employed involved inclusion of pollen grains in liquid medium of 15% sucrose and minerals and application of 1 or 2 drops on 1% agar plus 15% sucrose and minerals. No germination was obtained on agar plus sucrose without placement of pollen in liquid first. Of the cultivars tested, 'Etti...