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C6144 Sigma

Chlorophyll a

from Anacystis nidulans algae

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Properties

Related Categories C, Cell Biology, Core Bioreagents, Hematology and Histology, Nutrition Research,
biological source   from Anacystis nidulans algae
InChI Key   ATNHDLDRLWWWCB-AENOIHSZSA-M
form   powder
impurities   chlorophyll b, free
solubility   diethyl ether: soluble0.1 mg/10 mL
absorption   extinction/428-430 nm, diethyl ether 11.1-12.1 × 104
  extinction/660-662 nm, diethyl ether 8.3-9.4 × 104
storage temp.   −20°C

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

Chlorophyll a has been used as a standard for the calibration of fluorometer.

A procedure has been described for harvesting native light-harvesting complex IIb (LHCIIb).

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Sealed ampule.

Biochem/physiol Actions

Chlorophyll a is an essential pigment in oxygenic photosynthesis. In photosystems, it is present as an antenna pigment as well as in reaction center I and II. Chlorophyll a is a blue-green pigment which absorbs light in 400-450nm and 640-660nm range. In photosynthesis, the energy absorbed by chlorophyll transforms carbon dioxide and water into carbohydrates and oxygen. When chlorophyll absorbs light energy, an electron in chlorophyll is excited from a lower energy state to a higher energy state. In this higher energy state, the electron is more readily transferred to another molecule. This starts a chain of electron-transfer steps, which ends with an electron transferred to carbon dioxide.

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
FW6420000
Protocols & Articles
Peer-Reviewed Papers
15

References

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