Results 71 to 80 of about 1,853,445 (346)

The constitution of thalicarpine

open access: yesTetrahedron Letters, 1965
Reinvestigation on the constitution of thalicarpine, previously, isolated from Thalictrum and Hernandia species, was descrived. Ullmann condensation product of L-6'-bromolaudanosine and N-methyllaurotetanine was identified with natural thalicarpine. Accordingly, the revised constitution of thalicarpine was established to have the formula IX.
Masao Tomita   +3 more
openaire   +5 more sources

The nicotinamide hypothesis revisited—plant defense signaling integrating PARP, nicotinamide, nicotinic acid, epigenetics, and glutathione

open access: yesFEBS Letters, EarlyView.
Nicotinamide (NIC) and nicotinic acid (NIA) are proposed as stress signaling compounds in plants. Oxidative stress may lead to single strand breaks (SSB) in DNA, which activate poly(ADP‐ribose) polymerase (PARP). NIC and NIA are then formed from NAD. NIC and NIA can promote epigenetic changes leading to the expression of defense genes specific for the ...
Torkel Berglund, Anna B. Ohlsson
wiley   +1 more source

Visualizing and measuring gold leaf in fourteenth- and fifteenth-century Italian gold ground paintings using scanning macro X-ray fluorescence spectroscopy: a new tool for advancing art historical research

open access: yesHeritage Science, 2019
The size, shape, and application techniques of gold leaf in fourteenth- and fifteenth-century gold ground panel paintings attributed to artists working in Florence, Siena, and Fabriano was directly visualized using in situ scanning macro X-ray ...
Douglas MacLennan   +6 more
doaj   +1 more source

The Constitution of Reasons [PDF]

open access: yes, 1994
Cass Sunstein\u27s book, The Partial Constitution, brings together a number of his constitutional law essays from the last ten years. During that time, Sunstein has argued, powerfully, for the unconstitutionality of regulatory constraints on access to ...
West, Robin
core   +2 more sources

A working model for cytoplasmic assembly of H/ACA snoRNPs

open access: yesFEBS Letters, EarlyView.
Dyskerin is the component of nuclear H/ACA ribonucleoproteins (RNPs) endowed with pseudouridine synthase catalytic activity. Two isoforms of human dyskerin have been characterized: the abundant Iso1, mainly nuclear, and the shorter Iso3, mainly cytoplasmic but occasionally imported into nuclei.
Alberto Angrisani, Maria Furia
wiley   +1 more source

PERLINDUNGAN HUKUM TERHADAP INDIKASI GEOGRAFIS SEBAGAI CIRI SUATU PRODUK DI TINJAU DARI UNDANG-UNDANG NOMOR 15 TAHUN 2001 TENTANG MEREK [PDF]

open access: yes, 2006
The purpose of this legal writing are know the legal protection of geographical Indications as product characteristic in Indonesia that is observed from constitution number 15th, 2001 about trademark, so we will know the important of geographical ...
Gunarsih, Gunarsih
core  

A Constitution for Europe and other constitutions [PDF]

open access: yesEuropean Constitutional Law Review, 2005
The spring of 2005 saw major set-backs for the Treaty of Rome of 29 October 2004, establishing what it calls ‘a Constitution for Europe’. On 29 May, the French rejected the Treaty in their referendum by 54,8% (turnout 70%). Then the Dutch rejected it on 1 June by an even more massive 61,7% (turnout 63%).
Eijsbouts, W.T., Besselink, L.F.M.
openaire   +4 more sources

Mechanistic basis for inhibition of the extended‐spectrum β‐lactamase GES‐1 by enmetazobactam and tazobactam

open access: yesFEBS Letters, EarlyView.
Antimicrobial resistance (AMR) is of huge importance, resulting in over 1 million deaths each year. Here, we describe how a new drug, enmetazobactam, designed to help fight resistant bacterial diseases, inhibits a key enzyme (GES‐1) responsible for AMR. Our data show it is a more potent inhibitor than the related tazobactam, with high‐level computation
Michael Beer   +10 more
wiley   +1 more source

A decrease in Flavonifractor plautii and its product, phytosphingosine, predisposes individuals with phlegm-dampness constitution to metabolic disorders

open access: yesCell Discovery
According to traditional Chinese medicine (TCM) constitutional theory, individuals with phlegm-dampness constitution (PDC) are at increased risk for metabolic disorders. Previous studies have indicated that PDC individuals exhibit gene expression changes
Lingru Li   +19 more
doaj   +1 more source

Tom Paine\u27s Constitution [PDF]

open access: yes, 2003
In Common Sense, our brief for the American Revolution, the pamphleteer Tom Paine famously declared that “in America the law is king.” What, precisely, is the “law” that Paine declared to have dethroned the king?
West, Robin
core   +1 more source

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