Results 31 to 40 of about 1,582,967 (422)

Associations between serum and plasma brain-derived neurotrophic factor and influence of storage time and centrifugation strategy

open access: yesScientific Reports, 2019
The aims of the study were to clarify the impact of storage time and centrifugation strategy on brain-derived neurotrophic factor (BDNF) levels in human serum and plasma samples.
A. K. Gejl   +5 more
semanticscholar   +1 more source

Effect of seminal plasma and egg yolk concentration on freezability of goat semen

open access: yesRevista Brasileira de Zootecnia, 2014
The objective of this study was to evaluate the effects of egg yolk and seminal plasma on the viability of cryopreserved goat semen. To this end, four fertile Saanen bucks, aged between 10 months and 1 year, and weighing 18 to 25 kg, were used. Semen was
Valéria da Silva Ferreira   +6 more
doaj   +1 more source

Evaluation of the Temperature and Time in Centrifugation-Assisted Freeze Concentration

open access: yesApplied Sciences, 2020
Centrifugation is a technique applied to assist in the freeze concentration of fruit juices and solutions. The aim of this work was to study the influence of the time–temperature parameters on the centrifugation process as a technique applied to assist ...
Tamara Santana   +4 more
doaj   +1 more source

Solid-liquid separation techniques for efficient recovery of P2O5 from phosphoric sludge [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2020
Phosphoric acid sludge is one of the prominent problems in the phosphate industry. Its production co-occurs with large losses of P2O5 that affect the process performance. Management and valorization of this waste is a key issue.
Jouraiphy Rim   +6 more
doaj   +1 more source

Adiabatic field-free alignment of asymmetric top molecules with an optical centrifuge [PDF]

open access: yesPhys. Rev. Lett. 116, 183001 (2016), 2015
We use an optical centrifuge to align asymmetric top $\mathrm{SO_2}$ molecules by adiabatically spinning their most polarizable O-O axis. The effective centrifugal potential in the rotating frame confines sulfur atoms to the plane of the laser-induced rotation, leading to the planar molecular alignment which persists after the molecules are released ...
arxiv   +1 more source

Tolerability of daily intermittent or continuous short-arm centrifugation during 60-day 6o head down bed rest (AGBRESA study)

open access: yesPLoS ONE, 2020
Artificial gravity through short-arm centrifugation has potential as a multi-system countermeasure for deconditioning and cranial fluid shifts that may underlie ocular issues in microgravity. However, the optimal short-arm centrifugation protocol that is
T. Frett   +8 more
semanticscholar   +1 more source

Sample Preparation of Posaconazole Oral Suspensions for Identification of the Crystal Form of the Active Pharmaceutical Ingredient

open access: yesMolecules, 2020
Determination of the polymorphic form of an active pharmaceutical ingredient (API) in a suspension could be really challenging because of the water phase and the low concentration of the API in this formulation.
Michail Lykouras   +3 more
doaj   +1 more source

Production of Highly Monolayer Enriched Dispersions of Liquid-Exfoliated Nanosheets by Liquid Cascade Centrifugation.

open access: yesACS Nano, 2016
While liquid exfoliation is a powerful technique to produce defect-free nanosheets in large quantities, its usefulness is limited by broad nanosheet thickness distributions and low monolayer contents.
C. Backes   +12 more
semanticscholar   +1 more source

Regenerative capacity of leukocyte-rich and platelet-rich fibrin in indirect sinus elevation procedure may be dependent on model-specific modification of the centrifugation cycle

open access: yesContemporary Clinical Dentistry, 2019
Context: To compare optical density (OD) and fibrinogen content of leukocyte-rich and platelet-rich fibrin (L-PRF) generated by standard protocol (2700 rotations per minute [RPM] for 12 min) versus relative centrifugal force (RCF)-adjusted protocol ...
Rampalli Viswa Chandra   +2 more
doaj   +1 more source

Calcium chloride enhances growth and physio-biochemical performance of barley (Hordeum vulgare L.) under drought-induced stress regimes: a future perspective of climate change in the region

open access: yesJournal of Water and Climate Change, 2022
Water is the fundamental part of living systems and it plays a key role in supporting life on earth; however, fluctuations in climatic conditions lead to limitation of the ground water causing serious concerns.
Wadood Shah   +3 more
doaj   +1 more source

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