Results 21 to 30 of about 266,575 (326)

Spectrophotometry for cerebrospinal fluid pigment analysis [PDF]

open access: yes, 2006
The use of spectrophotometry for the analysis of the cerebrospinal fluid (CSF) is reviewed. The clinically relevant CSF pigments--oxyhemoglobin and bilirubin--are introduced and discussed with regard to clinical differential diagnosis and potentially ...
Keir, G., Petzold, A., Sharpe, L.T.
core   +1 more source

Synchronisation of parental behaviours reduces the risk of nest predation in a socially monogamous passerine bird

open access: yesScientific Reports, 2018
Social monogamy with bi-parental care is the most common breeding pattern in birds, yet cooperation between mates has not been intensively studied to date.
K. Leniowski, E. Węgrzyn
doaj   +1 more source

Flow-injection spectrophotometric determination of tetracycline and doxycycline in pharmaceutical formulations using chloramine-T as oxidizing agent

open access: yesQuímica Nova, 2009
A flow-injection (FI) spectrophotometric procedure is proposed for tetracycline (TC) and doxycycline (DXC) determination in pharmaceuticals. The method is based on the reaction of oxidation of these drugs by chloramine-T in alkaline medium producing red ...
José L. Rufino   +3 more
doaj   +1 more source

Silicon photonics for on-chip spectrophotometry [PDF]

open access: yes, 2015
Silicon and Silicon Nitride photonics arc on their way to open the route towards integrated on-chip spectropholometers, Cost, miniaturization, miniaturization, hut also performance advantages ace at the origin of their potential We will discuss several ...
Baets, Roel   +12 more
core   +2 more sources

Spectrophotometry of Dust [PDF]

open access: yesSymposium - International Astronomical Union, 1981
In recent years there have been a number of extensive review papers and books on interstellar dust (e.g. Savage and Mathis, 1979, and references therein). This short review deals only with the spectral properties of dust within the wavelength range 3–25μm, with particular emphasis on recent results.
openaire   +1 more source

Determination of Chlorophyll and Carotenoids Present in the Seeds of the Plant Family Apiaceae and the Impact on Seed Quality

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2018
In this study, we assessed the content of chlorophyll a and b, β-carotene and lutein in seeds of carrot, celery, dill, parsley and parsnip commercial varieties by spectrophotometric method.
Marie Grulichová   +3 more
doaj   +1 more source

Spectrophotometric investigation of the Fe(III)-disulphonate hydroquinone complex [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
Iron(III) form an indigo-blue complex with the disulphonated product of hydroquinone (K2S2Hy) in acid media with an absorption maxima at 600 nm.
Obradović Mirjana V.   +3 more
doaj   +1 more source

Spectrophotometric evaluation of coronal discoloration induced by bioceramic root canal filling materials

open access: yesJournal of Oral Research, 2021
The aim of this study is to evaluate the crown discoloration induced by bioceramic root canal filling materials (OrthoMTA and iRoot SP) compared to AH Plus.
Afaf Al-Haddad   +6 more
doaj   +1 more source

Spectrophotometry of nearby field galaxies: the data [PDF]

open access: yes, 1999
We have obtained integrated and nuclear spectra, as well as U, B, R surface photometry, for a representative sample of 196 nearby galaxies. These galaxies span the entire Hubble sequence in morphological type, as well as a wide range of luminosities (M_B=
Cousins A. W. J.   +4 more
core   +3 more sources

Spectrophotometric Studies of 4-[N’-(4-Imino-2-oxo-thiazolidin-5-ylidene)-hydrazino]-benzenesulfonic acid as a Reagent for the Determination of Palladium

open access: yesActa Chimica Slovenica, 2015
The spectrophotometric behavior of a new, first-time synthesized reagent – 4-[N’-(4-imino-2-oxo-thiazolidin-5-ylidene)hydrazino]-benzenesulfonic acid (ITHBA), has been investigated.
Lesya Lozynska   +2 more
doaj   +1 more source

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