Results 31 to 40 of about 20,506 (199)

Two-Loop QCD Corrections to the Heavy-to-Light Quark Decay [PDF]

open access: yes, 2008
We present an analytic expression for the two-loop QCD corrections to the decay process b -> u W^*, where b and u are a massive and massless quark, respectively, while W^* is an off-shell charged weak boson.
Bonciani, R.   +5 more
core   +8 more sources

Molecular and morphological phylogenetics of the digitate-tubered clade within subtribe Orchidinae s.s. (Orchidaceae: Orchideae) [PDF]

open access: yes, 2018
The digitate-tubered clade (Dactylorhiza s.l. plus Gymnadenia s.l.) within subtribe Orchidinae is an important element of the North-temperate orchid flora and has become a model system for studying the genetic and epigenetic consequences of organism-wide
Bateman, Richard   +5 more
core   +2 more sources

Relationship between the postoperative lactate dynamic levels, the acute gastrointestinal injury and the prognosis among patients who undergo surgical treatment for acute type A aortic dissection

open access: yesHeliyon, 2023
Introduction: This study aimed to determine the relationship between the postoperative lactate dynamic levels, the postoperative acute gastrointestinal injury (AGI), and the prognosis among the patients who underwent surgical treatment for an acute ...
Xue Wang   +4 more
doaj   +1 more source

A new species and a new record of Phlomoides (Lamiaceae) from Xizang, China [PDF]

open access: yesPhytoKeys
Phlomoides bomiensis, a new species in Bomi County, Xizang, China, was described and illustrated. In addition, Phlomoides longidentata, previously only known from Nepal and Bhutan, is newly recorded from Dingri County, Xizang, China.
Yue Zhao   +5 more
doaj   +3 more sources

Phylogeny of Miliusa (Magnoliales: Annonaceae: Malmeoideae: Miliuseae), with descriptions of two new species from Malesia [PDF]

open access: yes, 2013
The molecular phylogeny of Miliusa (Annonaceae) is reconstructed, with 27 (of ca. 50) species included, using a combination of seven plastid markers (rbcL exon, trnL intron, trnL-F spacer, matK exon, ndhF exon, psbA-trnH spacer, and ycf1 exon ...
Chaowasku, Tanawat, Keßler, Paul J. A.
core   +2 more sources

Phylogenetic relationships among native Oxytropis species in Turkey using the trnL intron, trnL-F IGS, and trnV intron cpDNA regions

open access: yesTURKISH JOURNAL OF BOTANY, 2016
We tested the phylogenetic utility of three chloroplast DNA loci, i.e. the trnL(UAA) intron, trnL(UAA)-F(GAA) intergenic spacer (IGS), and trnV(UAC) intron, across thirteen native Oxytropis species. Our objective was to determine whether any of these chloroplast DNA markers could be beneficial to figure out phylogenetic relationships among Oxytropis ...
Tekpinar, Ayten   +3 more
openaire   +4 more sources

cpDNA barcoding by combined End-Point and Real-Time PCR analyses to identify and quantify the main contaminants of oregano (Origanum vulgare L.) in commercial batches [PDF]

open access: yes, 1999
Oregano (Origanum vulgare L.) is a flowering plant that belongs to the mint family (Lamiaceae). It is used as a culinary herb and is often commercialized as a fine powder or a mixture of small fragments of dried leaves, which makes morphological ...
Vannozzi, Alessandro   +2 more
core   +2 more sources

TrnL-trnfF cpDNA polymorphism in some representatives of the genus Betula [PDF]

open access: yesBIO Web of Conferences, 2021
We present preliminary results of the trnL-trnF cpDNA region analysis for some representatives of the g. Betula, out of which B. procurva can be considered the most interesting. The disjunctive range of this species is confined to the mountain system in southeast Central Asia (Pamir-Alai).
Medvedeva Svetlana   +4 more
openaire   +2 more sources

The trnL-F plastid DNA characters of three Poa pratensis (Kentucky bluegrass) varieties

open access: yesPlant, Soil and Environment, 2005
The characterization of crop cultivars (varieties) will come to depend increasingly on molecular characters in addition to traditional morphological and agronomic characters.
S.D. Stoneberg Holt   +4 more
doaj   +1 more source

Specimens at the Center: An Informatics Workflow and Toolkit for Specimen-level analysis of Public DNA database data [PDF]

open access: yes, 2016
Major public DNA databases — NCBI GenBank, the DNA DataBank of Japan (DDBJ), and the European Molecular Biology Laboratory (EMBL) — are invaluable biodiversity libraries. Systematists and other biodiversity scientists commonly mine these databases for
Brown, Bethany H.   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy