Results 51 to 60 of about 71,854 (309)

In vitro cell cultures obtained from different explants of Corylus avellana produce Taxol and taxanes

open access: yesBMC Biotechnology, 2006
Background Taxol is an effective antineoplastic agent, originally extracted from the bark of Taxus brevifolia with a low yield. Many attempts have been made to produce Taxol by chemical synthesis, semi-synthesis and plant tissue cultures.
Cavalli Francesca   +9 more
doaj   +1 more source

Flowering of the Hazel [PDF]

open access: yesNature, 1875
ALTHOUGH in the vast majority of cases the male and female flowers of the hazel, as stated by Mr. Bennett in NATURE, vol. xi. p. 466, mature simultaneously on the same bush, with, I think, rather some tendency to begin the shedding of pollen before the expansion of the neighbouring stigmas ; yet I have seen very striking exceptions to this rule, in the
openaire   +2 more sources

Longitudinal Tracking of Persistence in Other‐Repair Practices in an Audio‐Mediated English Private Tutoring Setting

open access: yesTESOL Quarterly, EarlyView.
Abstract Private tutoring—or shadow education—has received ample scholarly attention due to increasing demand from parents for reasons of social mobility in ESL/EFL contexts. Referred to as English private tutoring (EPT) for language learning purposes, this type of non‐formal education shares certain features of formal education like content and ...
Semih Ekin, Ali Anaç, Muhammet Öcel
wiley   +1 more source

Antioxidant Activity, Total Phenolics and Taxol Contents Response of Hazel (Corylus avellana L.) Cells to Benzoic Acid and Cinnamic Acid

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2012
Hazel (Corylus avellana L.) plant has been recently introduced as a plant with the ability to produce Taxol. In the present research effects of different concentrations of benzoic acid and cinnamic acid on the phenolic compounds, Taxol content, and ...
Ebrahim BEMANI   +3 more
doaj   +1 more source

Biodiversity effects on ecosystem functioning are driven by resource quality and contamination

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Biodiversity–ecosystem functioning relationships are increasingly explained by species' traits and resource quality differences rather than richness alone, yet cross‐trophic effects and environmental context remain poorly resolved.
Alexander Feckler   +8 more
wiley   +1 more source

Assessment of winter hardiness of common hazel (Corylus avellana L.) in Voronezh region depending on forest conditions [PDF]

open access: yesBIO Web of Conferences
Abiotic factors often do not allow to realize the productivity potential of nut-bearing plants, which entails a decrease in the efficiency of their cultivation. One of the key adaptive properties of common hazel in the Voronezh region is winter hardiness,
Nakonechnaya Tatiana   +3 more
doaj   +1 more source

Portrait of Jennifer Rankin taken during an oral history interview, 2 March 1978 [picture] /

open access: yes, 1978
Title from acquisitions documentation.; Part of the: Hazel de Berg collection of photographs.; Jennifer Rankin interviewed by Hazel de Berg in the Hazel de Berg collection; Located at; National Library of Australia Oral History collection ORAL TRC 1 ...
De Berg, Hazel, 1913-1984.
core  

125 years of exploration and research at Gough's Cave (Somerset, UK) 125 ans d'exploration et de recherches à Gough's Cave (Somerset, Royaume‐Uni)

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello   +2 more
wiley   +1 more source

Portrait of Alison Dolling taken during an oral history interview, 23 February 1978 [picture] /

open access: yes, 1978
Title from acquisitions documentation.; Part of the: Hazel de Berg collection of photographs.; Alison Dolling interviewed by Hazel de Berg for the Hazel de Berg collection; Located at; National Library of Australia Oral History collection ORAL TRC 1 ...
De Berg, Hazel, 1913-1984.
core  

The Momentum of ‘Developed’: Bodies of Water, Aging Bodies and Malta's Interventions at the UN

open access: yesHistory, EarlyView.
Abstract Histories of major powers continue to shape how many scholars conceptualize internationalism. By focusing on Malta's interventions at the UN challenges, this article challenges such narrative. In particular, it examines Arvid Pardo's 1967 petition that the seabed be reconceived and protected as the ‘common heritage of mankind’ and Vincent ...
Brianne Wesolowski
wiley   +1 more source

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