نتایج جستجو برای: alkaline media

تعداد نتایج: 321475  

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2022

Silicon nanoparticles are converted into multimetallic silicide by using molten salts as liquid reaction media under dynamic vacuum. They deliver highly efficient electrocatalysts for alkaline water oxidation.

Journal: :international journal of iron & steel society of iran 2013
a. fattah-alhosseini o. imantalab

in this paper, the electrochemical behaviour of passive films formed on aisi 321 stainless steel (aisi 321)immersed in 0.1 m naoh + 0.1 m koh solution was evaluated by different electrochemical techniques. forthis purpose, passive films were formed at open circuit potential for 1 to 12 hours and then electrochemicalmeasurements were done. the polarization curves suggested that aisi 321 showed e...

2013
Josephine C. Bodle Candace D. Rubenstein Michelle E. Phillips Susan H. Bernacki Jie Qi Albert J. Banes Elizabeth G. Loboa

Adipose-derived stem cells (ASC) are multipotent stem cells that show great potential as a cell source for osteogenic tissue replacements and it is critical to understand the underlying mechanisms of lineage specification. Here we explore the role of primary cilia in human ASC (hASC) differentiation. This study focuses on the chemosensitivity of the primary cilium and the action of its associat...

Journal: :Analytical and bioanalytical chemistry 2002
Mostafa M Kamal Seddique M Ahmed Mohamed M Shahata Yassien M Temerk

The electrochemical activity of poly(8-hydroxyquinoline) (PHQ) in acid and alkaline media has been investigated by use of differential pulse polarography (DPP). The reduction peak height (I(p)) of PHQ in universal buffer solutions is not useful as an analytical signal, because it is highly affected by hydrogen evolution in acid media and appears as a small peak located at more negative potentia...

2017
SACHIN KUMAR

Earth has been documented as a natural area for fungi which found as individual kingdom through innovation. In their growth, different culture media significantly affected mycelium and sporulation. The present investigation was conducted to examine the effect of different broth media on the mycelial growth and fungal sporulation of Trichophyton rubrum and Microsporum gypseum. In the present stu...

Journal: :Cancer research 1975
R M Singer L J White J E Perry G J Doellgast

Using exclusion from Sepharose 4B as our criterion, we have found a high-molecular-weight form of alkaline phosphatase and of leucine aminopeptidase which are released into the culture media by the FL amnion cell line. A low-molecular-weight form of leucine aminopeptidase is also found to contribute to the total levels of this enzyme in the media. The levels of these enzymes increased during th...

2017
Tomohiro Fujiwara Koji Uotani Aki Yoshida Takuya Morita Yutaka Nezu Eisuke Kobayashi Akihiko Yoshida Takenori Uehara Toshinori Omori Kazuhisa Sugiu Tadashi Komatsubara Ken Takeda Toshiyuki Kunisada Machiko Kawamura Akira Kawai Takahiro Ochiya Toshifumi Ozaki

BACKGROUND Emerging evidence has suggested that circulating microRNAs (miRNAs) in body fluids have novel diagnostic and prognostic significance for patients with malignant diseases. The lack of useful biomarkers is a crucial problem of bone and soft tissue sarcomas; therefore, we investigated the circulating miRNA signature and its clinical relevance in osteosarcoma. METHODS Global miRNA prof...

Journal: :Nanoscale 2015
Lixin Jiao Feng Li Xinzhe Li Ren Ren Jing Li Xingchun Zhou Jun Jin Rong Li

The design and synthesis of efficient electrocatalysts for hydrogen evolution reaction under all pH conditions is extremely desirable but still remains a challenge. Here a facile method to decorate PdTe nanowires on reduced graphene oxide nanosheets (PdTe NWs/rGO) has been developed. As a robust integrated 2D hydrogen-evolving cathode catalyst, the Pd3.02Te NWs/rGO shows a low onset potential o...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2011
Nataliya Svichar Susana Esquenazi Huei-Ying Chen Mitchell Chesler

Numerous studies have documented the mechanisms that regulate intracellular pH (pH(i)) in hippocampal neurons in response to an acid load. Here, we studied the response of pH(i) to depolarization in cultured hippocampal neurons. Elevation of external K+ (6-30 mm) elicited an acid transient followed by a large net alkaline shift. Similar responses were observed in acutely dissociated hippocampal...

Journal: :International microbiology : the official journal of the Spanish Society for Microbiology 2009
Jorge Amich Fernando Leal José A Calera

The ZrfA and ZrfB transporters are components of a zinc-uptake system of Aspergillus fumigatus that mainly operates under acidic, zinc-limiting conditions. Expression of the genes zrfA and zrfB is up-regulated by the transcriptional activator ZafA in both acidic and neutral, zinc-limiting media. The transcription of zafA is not influenced by PacC, which is the transcriptional regulator involved...

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