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Showing 1 to 17 of 17 for “"colorimeter"”.
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Development of a Low Cost Handheld Microfluidic Phosphate Colorimeter for Water Quality Analysis
… and testing process for a microfluidic phosphate colorimeter utilized for water quality analysis. The device can be powered by, and interfaced for data collection with, a common cell phone or laptop to dramatically reduce costs. Unlike commercially available colorimeters, this device does not …
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ ΝΕΤΡΙΝΩΝ ΜΕ ΚΑΛΟΡΙΜΕΤΡΟ ΛΕΠΤΗΣ ΔΙΑΜΕΡΙΣΗΣ
… OF THE NEUTRINO-NUCLEON INTERACTIONS IN THE COLORIMETER FOLLOWS WITH EMPHASIS IN REACTIONS WITH TWO TRACKS IN THE FINAL STATE. WE OBSERVED AN EXCESS OF EVENTS WITH ASSOCIATED ELECTROMAGNETIC SHOWERS AND WE TRIED TO INTERPRET THEM IN TERMS OF NEUTRINO OSCILLATIONS.
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The colour of AuAgCu alloys
… has the advantages for use as a physical colorimeter in that its calibration is gonio-metric and it does not require a particularly stable light source or secondary reflectance standard. The spectro-ellipsometer was operated in the PCSA configuration at 75 Deg. angle of incidence. The …
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An Investigation of Color Memory as a Function of Hue, Saturation, Lightness and Observer Imagery Vividness for Blue, Green and Orange Test Hues
… are well-advised to calibrate the monitor with a colorimeter because the internal computer units may be unreliable indexes of changes in hue, saturation and lightness.
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Inverse solid-liquid fluidization of aerogel granules and its application in removing oil from water
… the Chemical Oxygen Demand (COD) using a colorimeter. Once the aerogel granules are saturated, they were entrained from the fluidized bed, and separated from the clean stream of water with a fibrous filter.
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The effect of the oxygen inhibition layer on interfacial bond strengths and stain resistance of dental resin composites
… was assessed by shear bond strength and colorimeter testing, respectively. An OIL was measurable for all materials polymerised in atmospheric air including the epoxy-based system Filtek™ Silorane. Different filler particle types complicate OIL formation for similar BisGMA/TEGDMA comonomer …
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Iron deficiency affects spatial learning in neonatal piglets
… diets. Skin pigmentation, as measured by a colorimeter in L*a*b* color space, showed reduced magenta color in the iron deficient piglets (P < 0.0001), correlating with hematocrit levels (R2 = 0.76). The effect of iron deficiency on cognition was assessed using a hippocampal-dependent spatial …
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Investigation of the effects of pressure and hydrogen concentration on ammonia synthesis under neutron irradiation
… samples were made with Nessler’s reagent and a colorimeter. Tests were performed at pressures of 3.0, 4.0, and 5.0 atmospheres and at hydrogen-nitrogen molar ratios of 3.0 and 6.0. Reaction time was 24 hours, and average total flux was 6.05 x 10⁷ neutrons per square centimeter. It was found that …
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The Vascular Characteristics
… by the increase of the a* parameter using a colorimeter. 2 mm punch biopsy skin samples were obtained from lesional and non-lesional facial skin of 50 Korean women with melasma. The immunohistochemistry was taken to determine the expression of factor VIIIa and VEGF in melasma. RESULTS: The …
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Modified atmosphere packaging of ground turkey thigh meat
… over-all taste throughout the test period. Colorimeter values did show the 100% CO₂ atmosphere caused discoloration of the product during the first week. Fat level did not affect microorganism growth or shelf-life extension. Rosemary oleoresin was effective as an antioxidant. TBA values of …
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Multicomponent continuous flow kinetic analysis
… 10 ml/min. An inexpensive Light Emitting Diode colorimeter was able to detect KMnO₄ linearly at concentrations of 10 to 600 μm, with better than 1 percent relative standard deviation at the higher concentrations. Several concepts of hardware-software and software-operator interaction were …
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Evaluation of the Photometric Assay Method to Quantitate the Bactericidal Action of Normal and Immune Rabbit Sera on SALMONELLA PULLORUM
… control tube was measured using a photoelectric colorimeter. During this time the bacteria were in the logarithmic phase of growth and the optical density was directly proportional to the number of bacteria surviving the original inoculum. Using this information it was possible to measure the …
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Effects of Flavonoids and Ascorbic Acid Derivatives on Non-enzymatic Browning in Peaches
… system), which was measured using a handheld colorimeter, and ascorbic acid levels of peaches, which was determined using high performance liquid chromatography.
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Development of scientifically base management towards a sustainable fishery of the common sea urchin, Paracentrotus Lividus, in Sardinia
… of spines and gonads were conducted by a digital colorimeter using CIELAB colour spaces, which defines the colour in terms of 3 coordinate values: lightness (L*), redness (a*) and yellowness (b*). The results suggested that that habitat does affect spine colour but not gonad colour. Spine colour …
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An investigation into the sapstaining intrinsic properties of selected rubberwood (Hevea brasiliensis) clones
… investigation has been offered by the use of colorimeter, which has been used to conduct a quantitative assessment of the dark stain caused by the fungus <i>B. theobromae</i>. Results of the quantitative assessment of sapstain development (caused by <i>B. theobromae</i>, <i>Aureobasidium …
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The effects of supplementation of β-carotene during the close-up period on cows, colostrum, and calves
… analysis, as well as for component and colorimeter analysis. Feed samples were collected weekly throughout the trial and nutrient composition of forage and TMR samples was determined. Health records for the animals were collected from DairyComp305. The farm staff was responsible for all …