Results 11 to 20 of about 855,477 (278)

Extraction of γ-oryzanol from rice bran Extração de γ-oryzanol de farelo de arroz

open access: yesCiência e Agrotecnologia, 2012
γ-oryzanol, a phytochemical, has antioxidant activities and potential health benefits. In this study, we aimed to develop a method for extracting high amounts of γ-oryzanol from rice bran and for verifying its stability in different solvents ...
Renata Heidtmann-Bemvenuti   +2 more
doaj   +1 more source

Simulated Extragalactic Observations with a Cryogenic Imaging Spectrophotometer [PDF]

open access: yes, 2000
In this paper we explore the application of cryogenic imaging spectrophotometers. Prototypes of this new class of detector, such as superconducting tunnel junctions (STJs) and transition edge sensors (TESs), currently deliver low resolution imaging ...
B. A. Mazin   +8 more
core   +2 more sources

A spectrophotometric analysis of extraoral aging conditions on the color stability of maxillofacial silicone

open access: yesThe Journal of Indian Prosthodontic Society, 2017
Context: Surveys have reported color fading as the most frequent reasons patients given for disliking their prostheses. Aim: The aim of the study is to compare the color variation between two maxillofacial silicone elastomers after subjecting them to ...
Siddharth Mehta, D B Nandeeshwar
doaj   +1 more source

Technical Note: Field experiences using UV/VIS sensors for high-resolution monitoring of nitrate in groundwater [PDF]

open access: yes, 2014
peer-reviewedTwo different in situ spectrophotometers are compared that were used in the field to determine nitrate-nitrogen (NO3-N) concentrations at two distinct spring discharge sites. One sensor was a double wavelength spectrophotometer (DWS) and the
Blum, P.   +8 more
core   +4 more sources

The effect of experience on composite resin shade selection in comparison to a spectrophotometer

open access: yesActa Odontologica Turcica, 2016
OBJECTIVE: The objective of this study was to compare the shade matching ability of dentists with different experience levels in comparison to a spectrophotometer.
Duygu Recen   +2 more
doaj   +1 more source

Stability of the pigmentation of egg yolks enriched with omega-3 and carophyll stored at room temperature and under refrigeration

open access: yesRevista Brasileira de Zootecnia, 2011
The objective of this experiment was to study yolk pigmentation stability in omega 3 (ω-3) enriched eggs stored under different temperatures in zeaxanthin equivalent (by using visible light spectrophotometer) and visual score (with values obtained ...
Vanessa Camarinha Barbosa   +3 more
doaj   +1 more source

Identification of Granite Varieties from Colour Spectrum Data

open access: yesSensors, 2010
The granite processing sector of the northwest of Spain handles many varieties of granite with specific technical and aesthetic properties that command different prices in the natural stone market. Hence, correct granite identification and classification
José Antonio Vilán   +3 more
doaj   +1 more source

Evaluation of Color Stability of Omnichroma, Beautifil-Bulk Restorative, and G-aenial Composites When Exposed to Various Beverages: An In Vitro Study [PDF]

open access: yesInternational Journal of Prosthodontics and Restorative Dentistry, 2023
Purpose: The purpose of this in vitro study was to evaluate the respective color stability of modern composite resins designed for esthetic restorations when continuously exposed to various beverages.
Samreena Kalander   +4 more
doaj   +1 more source

Analysis of phytochemicals, minerals and in vitro antioxidant activities of Gongronema latifolium leaves [PDF]

open access: yes, 2017
Gongronema latifolium is primarily used as spice and vegetable as well as a herb in traditional medicine in the treatment of malaria, diabetes and hypertension.
Chinwe, Igwe V., Usunomena, Usunobun
core   +1 more source

Examination on total ozone column retrievals by Brewer spectrophotometry using different processing software [PDF]

open access: yes, 2018
The availability of long-term records of the total ozone content (TOC) represents a valuable source of information for studies on the assessment of short-and long-term atmospheric changes and their impact on the terrestrial ecosystem.
Casale, Giuseppe R.   +7 more
core   +1 more source

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