Results 1 to 10 of about 984,030 (268)

ANALYSIS OF METHODS FOR STUDYING THE SIZE OF NANOPARTICLES

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
In the presented work, various methods for determining the size of nanoparticles are considered. An effective method for finding possible options has been determined. Information on various methods and studies was selected and analyzed.
G.I. Sverdlik   +4 more
doaj   +1 more source

Washing solution and centrifugation affect kinematics of cryopreserved boar semen

open access: yesJournal of Animal Reproduction and Biotechnology, 2021
Cryopreservation is a widely-used efficient means of long-term sperm preservation. However, unlike other types of semen, cryopreserved boar semen has reduced fertility and the efforts continue to optimize post-thawing sperm recovery.
Areeg M. Almubarak   +5 more
doaj   +1 more source

Influence of scarification method on seed germination of the terrestrial orchid Anacamptis laxiflora (Lam.)

open access: yesThe EuroBiotech Journal, 2021
A critical step during in vitro sexual propagation of terrestrial orchids is the treatment of the microscopic seeds with a disinfecting solution that kills bacteria and fungi attached to the seeds.
Deconninck Gwenaëlle, Gerakis Argyrios
doaj   +1 more source

Quantifying the Influence of Pollen Aging on the Adhesive Properties of Hypochaeris radicata Pollen

open access: yesInsects, 2022
Although pollination is one of the most crucial biological processes that ensures plant reproduction, its mechanisms are poorly understood. Especially in insect-mediated pollination, a pollen undergoes several attachment and detachment cycles when being ...
Steven Huth   +2 more
doaj   +1 more source

Ultracentrifugation Techniques for the Ordering of Nanoparticles

open access: yesNanomaterials, 2021
A centrifugal field can provide an external force for the ordering of nanoparticles. Especially with the knowledge from in-situ characterization by analytical (ultra)centrifugation, nanoparticle ordering can be rationally realized in preparative (ultra ...
Xufeng Xu, Helmut Cölfen
doaj   +1 more source

How do Planktonic Particle Collection Methods Affect Bacterial Diversity Estimates and Community Composition in Oligo-, Meso- and Eutrophic Lakes?

open access: yesFrontiers in Microbiology, 2020
Particles are hotspots of bacterial growth and nutrient recycling in aquatic ecosystems. In the study of particle-attached (PA) and/or free-living (FL) microbial assemblages, the first step is to separate particles from their surrounding water columns ...
Guijuan Xie   +7 more
doaj   +1 more source

Influence of Centrifugation and Shaking on the Self-Assembly of Lysozyme Fibrils

open access: yesBiomolecules, 2022
Protein self-assembly into fibrils and oligomers plays a key role in the etiology of degenerative diseases. Several pathways for this self-assembly process have been described and shown to result in different types and ratios of final assemblies ...
Marzena Krzek   +4 more
doaj   +1 more source

Platelet removal by single-step centrifugation

open access: yesPlatelets, 2021
The study of extracellular vesicles (EVs) in plasma requires removal of cells including platelets. At present, a two-step centrifugation protocol is recommended and commonly used.
Linda G. Rikkert   +4 more
doaj   +1 more source

SEPARAÇÃO SÓLIDO-LÍQUIDO: CENTRÍFUGAS E PAPÉIS DE FILTRO

open access: yesQuímica Nova, 2015
This work describes the fundamentals and evolution of two current solid-liquid separation methods found in the chemical laboratory: the filter paper and the centrifuge.
Alexander Rangel Bastos   +1 more
doaj   +1 more source

Utilization of Aloe Vera Extract as A Natural Coagulant and its Effect on The Characteristics of IRR 118 Clone Rubber

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2023
Rubber is one of the plantation products as a foreign exchange earner for the country. The process of processing rubber requires coagulants to accelerate coagulation.
Feerzet Achmad   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy