Results 41 to 50 of about 4,887 (228)

A connectomic approach to the lateral geniculate nucleus [PDF]

open access: yes, 2017
Although the core functions and structure of the lateral geniculate nucleus (LGN) are well understood, this core is surrounded by questions about the integration of feedforward and feedback connections, interactions between different channels of ...
Morgan, Josh L
core   +2 more sources

Small and hard seeds: a practical and inexpensive method to improve embedding techniques for light microscopy

open access: yesActa Botânica Brasílica, 2014
The traditional techniques employed for embedding plant samples are not suitable for the proper processing of small seeds with hard seed coats. Usually, these seeds are broken off from blocks during microtomy, which limits the technical success of this ...
Rafaella Cardoso Ribeiro   +1 more
doaj   +1 more source

Formation of nanocrystals based on decomposition in the amorphous Zr41.2Ti13.8Cu12.5Ni10Be22.5 alloy [PDF]

open access: yes, 1996
Primary crystallization and decomposition in the bulk amorphous alloy Ar41.2Ti13.8Cu12.5Ni10Be22.5 have been studied by small angle neutron scattering (SANS), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC).
Johnson, W. L.   +2 more
core   +1 more source

Deceleration of probe beam by stage bias potential improves resolution of serial block-face scanning electron microscopic images. [PDF]

open access: yes, 2016
Serial block-face scanning electron microscopy (SBEM) is quickly becoming an important imaging tool to explore three-dimensional biological structure across spatial scales.
Astakhov, Vadim   +6 more
core   +1 more source

Construção de um micrótomo de congelamento a partir da adaptação de um micrótomo de parafina

open access: yesBrazilian Archives of Biology and Technology, 1998
A microtome for frozen sections was developed using the facilities and equipment available in our country. The requirements for making it were: 1) fast frozen of the tissue, 2) easy histological procedure, 3) no necessity of long period for preparation ...
Cesar de Mello   +3 more
doaj   +1 more source

Tree differences in primary and secondary growth drive convergent scaling in leaf area to sapwood area across Europe [PDF]

open access: yes, 2018
open28siTrees scale leaf (AL) and xylem (AX) areas to couple leaf transpiration and carbon gain with xylem water transport. Some species are known to acclimate in AL : AX balance in response to climate conditions, but whether trees of different species ...

core   +1 more source

Fibre phantom generation using FibreSimulator: an open‐source Python tool

open access: yesJournal of Synchrotron Radiation, EarlyView.
FibreSimulator is an open‐source tool for generating realistic 3D phantoms of unidirectional fibre‐reinforced polymers, enabling customizable fibre structures and simulating computed tomography scanning for algorithm development and validation.Fibre‐reinforced polymer composites are utilized across many industries for their stiffness and strength ...
Mary Chris Roperos Go   +4 more
wiley   +1 more source

Anatomical and Phytochemical Studies on Benincasa hispida (Thunb.) Cogn. (Cucurbitaceae)

open access: yesNotulae Scientia Biologicae, 2019
The morphological and anatomical studies of Benincasa hispida (Thunb.) Cogn. from Nigeria was carried out with the view to reporting morphological and anatomical characteristics for the first time.
Chimezie EKEKE   +2 more
doaj   +1 more source

Characterisation and functionalisation of mechanically fractured graphene nanoribbons : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Nanoscience at Massey University, Manawatū, New Zealand [PDF]

open access: yes, 2017
Graphene has been heralded as the supermaterial of the future, boasting incredibly high electron mobility, thermal conductivity, and physical strength – all contained within the world’s first true 2D material, only a single atom thick.
Brooke, Samuel James
core  

The L108I polymorphism in mouse prion protein drives spontaneous disease and enhances transmission of atypical and classical prion strains

open access: yesBrain Pathology, EarlyView.
A single amino acid change (L108I) combined with PrP overexpression drives spontaneous atypical prion formation in mice, enabling also efficient propagation of diverse prion strains. This model allows studying how spontaneous prion diseases arise and provides powerful tools for investigating strain emergence, transmission barriers, and mechanisms ...
Hasier Eraña   +20 more
wiley   +1 more source

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