نتایج جستجو برای: cyclamen coum

تعداد نتایج: 235  

Journal: :Journal of experimental botany 2012
M Savona R Mattioli S Nigro G Falasca F Della Rovere P Costantino S De Vries B Ruffoni M Trovato M M Altamura

The genetic basis of stem cell specification in somatic embryogenesis and organogenesis is still obscure. SOMATIC EMBRYOGENESIS RECEPTOR-LIKE KINASE (SERK) genes are involved in embryogenesis and organogenesis in numerous species. In vitro culture of Cyclamen persicum immature ovules provides a system for investigating stem cell formation and maintenance, because lines forming either organs or ...

1999
David M. Kaschak John T. Lean Chad C. Waraksa Geoffrey B. Saupe Hisanao Usami Thomas E. Mallouk

Sequential adsorption of polyanions and polycations was used to make a five-component energy/ electron-transfer cascade, which mimics some of the functions of natural photosynthetic assemblies. The photon antenna part of the system consists of coumarinand fluorescein-derivatized poly(allylamine hydrochloride) (Coum-PAH and Fl-PAH), palladium(II)tetrakis(4-N,N,N-trimethylanilinium) porphyrin (Pd...

Journal: :European Polymer Journal 2021

In this article, ten organic dyes based on keto-coumarin (KC) derivatives (MeO-Coum1, MeO-Coum10) have been synthesized and characterized as high performance photoinitiators for the Free Radical Photopolymerization (FRP) of acrylates upon visible light exposure using a Light emitting diode (LED) @405 nm. The addition Iodonium salt (Iod), amine [ethyl dimethylaminobenzoate (EDB) or N-phenylglyci...

Journal: :Natural Product Communications 2010

2005
Jonathan J Hull

VariOllS aspects of using language-level syntactic and semantic cOUM straints to improve the performance of word recognition algorithms are dis~ cussed, Following a brief presentation of a hypothesis generation model for handwritten word recognition, various types of languageMlevel constraints are reviewed, Methods that exploit these characteristics are discussed including intraMdocument word c...

Journal: :Journal of Ethnobiology and Ethnomedicine 2008
Mohammed S Ali-Shtayeh Rana M Jamous Jehan H Al-Shafie' Wafa' A Elgharabah Fatemah A Kherfan Kifayeh H Qarariah Isra' S Khdair Israa M Soos Aseel A Musleh Buthainah A Isa Hanan M Herzallah Rasha B Khlaif Samiah M Aiash Ghadah M Swaiti Muna A Abuzahra Maha M Haj-Ali Nehaya A Saifi Hebah K Azem Hanadi A Nasrallah

BACKGROUND A comparative food ethnobotanical study was carried out in fifteen local communities distributed in five districts in the Palestinian Authority, PA (northern West Bank), six of which were located in Nablus, two in Jenin, two in Salfit, three in Qalqilia, and two in Tulkarm. These are among the areas in the PA whose rural inhabitants primarily subsisted on agriculture and therefore st...

Journal: :Plant physiology 1984
A H Halevy C S Whitehead A M Kofranek

Very low ethylene production rates were measured in nonpollinated Cyclamen persicum Mill flowers, and no change in production was observed during the whole life span of the flower until death. Normal senescence was accompanied by a gradual discoloration and loss of turgor followed by wilting. Pollination induced a dramatic increase in ethylene evolution, culminating in a peak 4 days after polli...

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