Results 151 to 160 of about 209,633 (263)

The quantum efficiency of photosystem II and its relation to non-photochemical quenching of chlorophyll fluorescence; the effect of measuring-and growth temperature

open access: yes, 1990
The relation between the quantum yield of oxygen evolution of open photosystem II reactions centers (Φp), calculated according to Weis and Berry (1987), and non-photochemical quenching of chlorophyll fluorescence of plants grown at 19°C and 7°C was ...
Van Wijk, Klaas J.   +1 more
core   +1 more source

Fluorescence and photochemical quenching in photosynthetic reaction centers. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1968
K L, Zankel, D W, Reed, R K, Clayton
openaire   +2 more sources

Modificările structural-funcţionale ale aparatului fotosintetic la pomii de măr sub acţiunea factorilor interni şi externi de formare

open access: yesAgricultural Science, 2013
The purpose of our investigations was to identify the photosynthetic functional peculiarities of apple variety Florina using the fluorometric method and depending on the leave position on the shoot, presence/absence of the photo-assimilating acceptor ...
DRUŢĂ Ala   +2 more
doaj  

Characteristics of chlorophyll fluorescence in the light-adapted state as indicators of plant leaf relative water content. [PDF]

open access: yesAppl Plant Sci
Abstract Premise Chlorophyll fluorescence (ChlF) in the light‐adapted state is a convenient indicator of plant water status but is heavily reliant on nonphotochemical quenching (NPQ). The usefulness of ChlF as an indicator can be enhanced by reducing NPQ effects.
Chen J, Fu L, Guo Y, Fritschi FB, Tan J.
europepmc   +2 more sources

Chlorophyll fluorescence quenching analysis of Solanum nigrum in relation to water deficit [PDF]

open access: yes, 2005
Chlorophyll fluorescence quenching was studied in intact attached leaves of atrazine-susceptible (AS) and atrazine resistant (AR) biotypes of Solanum nigrum in relation to water deficit.
Bajkán Szilvia   +2 more
core  

Near Infrared Photoswitching by Direct Excitation—A Next Frontier

open access: yesAngewandte Chemie International Edition, EarlyView.
Molecular photoswitches finally enter the spectral realm of near‐infrared for their direct excitation. This minireview summarizes the current state‐of‐the‐art, the design principles for achieving such low‐energy light responsiveness, and the unique applications that are unlocked by it.
Diptiprava Sahoo   +2 more
wiley   +1 more source

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