نتایج جستجو برای: centrifugation

تعداد نتایج: 11927  

Journal: :Industrial health 2004
Satoru Ueno Kazuhito Yokoyama Makoto Okuno Rui-Sheng Wang Yosei Fujioka Yasuki Kobayashi

To simulate the effects of prolonged standing in the workplace on the leg muscles, we subjected mice to centrifugation for 6 wk. The absolute wet weight of leg muscles and internal organs of mice were measured after exposure to 3G by centrifugation for 6 wk and at 2 wk after removal of centrifugation. The weight of the soleus muscle (antigravity muscle) significantly increased after 6-wk exposu...

2017
Franklin Stahl Matthew Meselson

Matthew Meselson, Franklin Stahl, and Jerome Vinograd, developed cesium chloride, or CsCl, density gradient centrifugation in the 1950s at the California Institute of Technology [5], or Caltech, in Pasadena, California. Density gradient centrifugation enables scientists to separate substances based on size, shape, and density. Meselson and Stahl invented a specific type of density gradient cent...

Journal: :E3S web of conferences 2022

Artificial insemination using sexing semen is expected to produce calves with the desired sex. One sperm method percoll density gradient centrifugation method. This study aimed determine changes and relationship between motility acrosome reaction after process centrifugation. The material used was of ±5 years old Ongole crossbred bull a bodyweight ±700 kg as many three bulls mass 2+ individual ...

2014
Luigi Clauser Letizia Ferroni Chiara Gardin Riccardo Tieghi Manlio Galiè Giovanni Elia Adriano Piattelli Paolo Pinton Eriberto Bressan Barbara Zavan

Structural fat grafting utilizes the centrifugation of liposuction aspirates to create a graded density of adipose tissue. This study was performed to qualitatively investigate the effects of centrifugation on stem cells present in adipose tissue. Liposuction aspirates were obtained from healthy donors and either not centrifuged or centrifuged at 1,800 rpm for 3 minutes. The obtained fat volume...

Journal: :Waste Management 2021

Abstract In this research Scenedesmus obliquus and Chlorella vulgaris growth was tested on digestate sludge obtained from the anaerobic co-digestion treatment of organic fraction municipal solid waste (OFMSW) together with activated (WAS). Digestate diluted 1:10 in three batch experimental conditions: no pre-treatments (noPT), after centrifugation (AC) filtration (AUF), order to evaluate microa...

Journal: :Frontiers of oral and maxillofacial medicine 2023

Systematic review of platelet-rich fibrin (PRF) centrifugation protocols in oral and maxillofacial surgery the introduction AR 2 T 3 : an easy to remember acronym correctly report vertical horizontal PRF

2015
Mikhail A. Livshts Elena Khomyakova Evgeniy G. Evtushenko Vassili N. Lazarev Nikolay A. Kulemin Svetlana E. Semina Edward V. Generozov Vadim M. Govorun

Exosomes, small (40-100 nm) extracellular membranous vesicles, attract enormous research interest because they are carriers of disease markers and a prospective delivery system for therapeutic agents. Differential centrifugation, the prevalent method of exosome isolation, frequently produces dissimilar and improper results because of the faulty practice of using a common centrifugation protocol...

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