Results 71 to 80 of about 153,619 (302)

Biting midges from Dominican amber : 3. Species of the tribes Culicoidini and Ceratopogonini (Diptera: Ceratopogonidae)

open access: yes, 1998
The following 10 new species of biting midges are described and illustrated from Dominican amber: Culicoides (Oecacta) antilleanus, C. (0.) brodzinskyi, C. (0.) ambericus, C. (0.) hispanicolus, C. mammalicolus, Brachypogon (B.) american us, B. (Isohelea)
Szadziewski, Ryszard   +1 more
core  

Understanding how junction resistances impact the conduction mechanism in nano-networks

open access: yesNature Communications
Networks of nanowires, nanotubes, and nanosheets are important for many applications in printed electronics. However, the network conductivity and mobility are usually limited by the resistance between the particles, often referred to as the junction ...
Cian Gabbett   +20 more
doaj   +1 more source

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

open access: yesFEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point   +7 more
wiley   +1 more source

Hypnodontopsis confertus comb. nov. from Baltic amber

open access: yes, 2001
The first record of a sporophyte of Muscites confertus Goeppert & Berendt described as fossil species from Baltic amber revealed that this species can be attributed to the genus Hypnodontopsis. It is very similar to the extant H. mexicana known from only
Frahm, Jan-Peter
core  

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei   +3 more
wiley   +1 more source

Amber: Tears of the Gods

open access: yes, 2010
In 2010, a unique exhibition of amber art and artefacts arrived in Glasgow, mostly coming from the famous Malbork Castle collection in Poland. Notable additions included the wellknown Gdańsk lizard from the Gdańsk Amber Museum, as well as a selection of ...
Clark, ND.L.
core  

Long‐term hippocampal alterations and cognitive impairment in a murine model of surgical sepsis

open access: yesFEBS Open Bio, EarlyView.
Using a mouse model of surgical sepsis, we tested long‐term memory and analyzed the transcriptome of single cells isolated from the hippocampus. Survivor mice showed worse memory, loss of certain brain cell subpopulations, and abnormal immune cell activity—suggesting that post‐sepsis brain alterations may be linked to cognitive deficits.
Dong Seong Cho   +4 more
wiley   +1 more source

The Amber Rush in Ukraine. OSW COMMENTARY NUMBER 241 | 08.05.2017 [PDF]

open access: yes, 2017
Illegal amber mining in Ukraine has intensified since the Revolution of dignity. The practice has progressed at an unprecedented rate and has contributed to the degradation of vast swathes of forests in areas where there are deposits of amber, mainly in ...
Piechal, Tomasz
core  

Analysis of Abietane-Type Diterpenoids from Baltic Amber Samples

open access: yes, 2022
An urgent need exists for novel therapeutics to combat antibiotic-resistant microorganisms, but identification of new drug scaffolds for this purpose remains a challenge.
Parker, Flanders   +2 more
core   +1 more source

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