Portable Chronofluorometer for Express-Diagnostics of Photosynthesis

Fedack, V.; Kytaev, O.; Klochan, P.; Romanov, Volodymyr; Voytovych, I.

doi:10.1109/idaacs.2005.282988

Cited by 5 publications

(4 citation statements)

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“…The chlorophyll needs high light intensity to be activated and submit a response, and herein lays the problem. If the light source is intense, this could cause a harmful increase in temperature, especially when the subject is isolated via a dark chamber [ 6 , 18 , 22 ].…”

Section: Instrumentation In Chlorophyll Fluorescencementioning

confidence: 99%

“…The LED commonly takes up less space, generates less heat, and has a higher efficiency. This technology is being used regularly as a chlorophyll fluorescence source [ 6 , 9 , 20 – 25 ].…”

Section: Instrumentation In Chlorophyll Fluorescencementioning

confidence: 99%

“…The procedure proposed is made up of two main parts: the first being the chlorophyll excitation, for which there are active and passive methods. The active methods use lamps [ 17 – 19 ], LEDs [ 6 , 9 , 20 – 25 ], or lasers [ 16 , 26 , 27 ] to excite the chlorophyll before beginning the measurements. The passive methods takes advantage of solar radiation to achieve the same goal [ 28 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

“…This can include several methods, each with different characteristics such as cost, resolution, ease of processing or portability. These characteristics primarily take into account the cameras [ 19 , 30 ], photodiodes [ 6 , 21 ], optical fiber [ 31 ] and satellite images [ 13 ] used during the process.…”

Section: Introductionmentioning

confidence: 99%

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Instrumentation in Developing Chlorophyll Fluorescence Biosensing: A Review

Fernandez‐Jaramillo

Galvan

Contreras-Medina

et al. 2012

Sensors

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Chlorophyll fluorescence can be defined as the red and far-red light emitted by photosynthetic tissue when it is excited by a light source. This is an important phenomenon which permits investigators to obtain important information about the state of health of a photosynthetic sample. This article reviews the current state of the art knowledge regarding the design of new chlorophyll fluorescence sensing systems, providing appropriate information about processes, instrumentation and electronic devices. These types of systems and applications can be created to determine both comfort conditions and current problems within a given subject. The procedure to measure chlorophyll fluorescence is commonly split into two main parts; the first involves chlorophyll excitation, for which there are passive or active methods. The second part of the procedure is to closely measure the chlorophyll fluorescence response with specialized instrumentation systems. Such systems utilize several methods, each with different characteristics regarding to cost, resolution, ease of processing or portability. These methods for the most part include cameras, photodiodes and satellite images.

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Section: Instrumentation In Chlorophyll Fluorescencementioning

confidence: 99%

“…The LED commonly takes up less space, generates less heat, and has a higher efficiency. This technology is being used regularly as a chlorophyll fluorescence source [ 6 , 9 , 20 – 25 ].…”

Section: Instrumentation In Chlorophyll Fluorescencementioning

confidence: 99%