Results 11 to 20 of about 239,991 (317)

From chlorophyll a towards bacteriochlorophyll a: Excited-state processes of modified pigments [PDF]

, 1994
By means of fluorescence spectroscopy and nonlinear absorption experiments, excited-state processes of the modified pigments [3-acetyl]-chlorophyll a, [31-OH]-bacteriochlorophyll a and [3-vinyl]-bacteriochlorophyll a were investigated and compared with ...
Katheder, Ingrid, Leupold, D., Scheer, Hugo, Stiel, H., Teuchner, K.   +4 more
core   +1 more source

Relationship Between Physiological Characteristic and Bean Quality on Some Cocoa Clones (Theobroma Cacao L.) [PDF]

, 2015
Photosynthesis is one of the physiological process that influence the bean weight and this process related with the efectiveness of the stomata character and chlorophyll content in the leaves.
Sari, I. A. (Indah), Susilo, A. W. (Agung), Zakariyya, F. (Fakhrusy)   +2 more
core   +3 more sources

Average seasonal changes in chlorophyll a in Icelandic waters [PDF]

, 2009
The standard algorithms used to derive sea surface chlorophyll a concentration from remotely sensed ocean colour data are based almost entirely on the measurements of surface water samples collected in open sea (case 1) waters which cover ~60% of the ...
Alvain, Brown, Burenkov, Clarke, Cota, Dierssen, Elizabeth D. Clarke, Gregg, Gudmundsson, Hooker, Hu, Kirk, Komick, Kristinn Guðmundsson, Lee, Magnuson, Maritorena, Mike R. Heath, Mobley, Morel, O'Reilly, R Development Core Team, Sathyendranath, Sathyendranath, Siegel, Siegel, Speirs, Thórdardóttir, Thórdardóttir, Valdimarsson, Werdell, Wood, Wynne, Yuan   +33 more
core   +1 more source

The lack of plastidal transit sequence cannot override the targeting capacity of Bradyrhizobium japonicum δ-aminolevulinic acid synthase in transgenic rice

Biologia Plantarum, 2010
The δ-aminolevulinic acid synthase (ALA-S) is an enzyme which catalyzes the synthesis of δ-aminolevulinic acid (ALA). The Bradyrhizobium japonicum ALA-S coding sequence lacking plastidal transit sequence was introduced into the rice genome (C line).
K. Back, S. Jung
doaj   +1 more source

Application of DINCAE to Reconstruct the Gaps in Chlorophyll-a Satellite Observations in the South China Sea and West Philippine Sea

Remote Sensing, 2020
The Data Interpolating Empirical Orthogonal Functions (DINEOF) method has demonstrated usability and accuracy for filling spatial gaps in remote sensing datasets.
Zhaohui Han, Yijun He, Guoqiang Liu, William Perrie   +3 more
doaj   +1 more source

Retrieval of Chlorophyll-a Concentrations in the Coastal Waters of the Beibu Gulf in Guangxi Using a Gradient-Boosting Decision Tree Model

Applied Sciences, 2021
Remote sensing for the monitoring of chlorophyll-a (Chl-a) is essential to compensate for the shortcomings of traditional water quality monitoring, strengthen red tide disaster monitoring and early warnings, and reduce marine environmental risks. In this
Huanmei Yao, Yi Huang, Yiming Wei, Weiping Zhong, Ke Wen   +4 more
doaj   +1 more source

REACTIVITY OF CHLOROPHYLL a/b-PROTEINS AND MICELLAR TRITON X-100 COMPLEXES OF CHLOROPHYLLS a OR b WITH BOROHYDRIDE [PDF]

, 1989
The reaction of several plant chlorophyll-protein complexes with NaBH4 has been studied by absorption spectroscopy. In all the complexes studied, chlorophyll b is more reactive than Chi a, due to preferential reaction of its formyl substituent at C-7 ...
Arnon D. I., Beese D., Brody S. S., Brune D. C., Ford R. C., Holt A. S., Holten D., Michel H., Olson J. M., Omata T., Ryrie I. J., Scheer H., Scheer H., Schoch S., Siefermann-Harms D., Smith K. M.   +15 more
core   +1 more source

Long-Term Trends and Impact of SARS-CoV-2 COVID-19 Lockdown on the Primary Productivity of the North Indian Ocean

Frontiers in Marine Science, 2021
COrona VIrus Disease (COVID) 2019 pandemic forced most countries to go into complete lockdown and India went on complete lockdown from 24th March 2020 to 8th June 2020.
N. Sunanda, J. Kuttippurath, R. Peter, Kunal Chakraborty, A. Chakraborty   +4 more
doaj   +1 more source

Proton-Electron Hyperfine Coupling Constants of the Chlorophyll a Cation Radical by ENDOR Spectroscopy [PDF]

, 1977
In this paper we describe the assignment of the major coupling constants in monomer chlorophyll a cation free radical by ENDOR spectroscopy. To facilitate chemical manipulation methylpyrochlorophyllide a has been used as a stand-in, and a suite of six ...
Katz, J. J., Norris, J. R., Scheer, Hugo
core   +1 more source

Nutrient concentrations and trophic state of three Andean lakes from Junín, Perú

Revista Ambiente & Água, 2020
The study assessed the trophic state of three lakes used as fish farms in the region of Junín-Peru, under different hydrological conditions. Surface water samples were collected from three points at each lake in 2018 during the rainy (March-April) and ...
Fernán Chanamé-Zapata, María Custodio, Christian Poma-Chávez, Alex Huamán-De La Cruz   +3 more
doaj   +1 more source