نتایج جستجو برای: physico chemical property

تعداد نتایج: 530978  

Journal: :Inhalation toxicology 2014
Valérie Forest Mélanie Pailleux Jérémie Pourchez Delphine Boudard Maura Tomatis Bice Fubini Mohamed Sennour Jean-François Hochepied Philippe Grosseau Michèle Cottier

Boehmite (γ-AlOOH) nanoparticles (NPs) are used in a wide range of industrial applications. However, little is known about their potential toxicity. This study aimed at a better understanding of the relationship between the physico-chemical properties of these NPs and their in vitro biological activity. After an extensive physico-chemical characterization, the cytotoxicity, pro-inflammatory res...

2005
S.P. Singh M.V. Sathe B.G. Chaudhari K.V. Billore

Fruit pulp of Mangifera indica Linn. is an important Ayurvedic medicine which is useful in gastric disorders, dyspepsia, loss of appetite, urine incontinence, uterine diseases, heat apoplexy, pharyngitis, ulcer, dysentery, sun stroke etc. The present study for the first time attempts to investigate physico-chemical and pharmacognostic properties as per WHO guidelines of this drug. Detailed acco...

2005
J. Kucharski E. Jastrzębska

The aim of our experiment was to determine the effect of heating oil application on the count of microorganisms and some physico-chemical properties of limed and lime-free soil and soil sown with yellow lupine of the Markiz variety and unsown soil. The results obtained indicate that heating oil deteriorated the physico-chemical properties of the experimental soil (acidification, decrease in the...

Journal: :Chemical Society reviews 2006
Isabelle Daniel Philippe Oger Roland Winter

Life on Earth can be traced back to as far as 3.8 billion years (Ga) ago. The catastrophic meteoritic bombardment ended between 4.2 and 3.9 Ga ago. Therefore, if life emerged, and we know it did, it must have emerged from nothingness in less than 400 million years. The most recent scenarios of Earth accretion predict some very unstable physico-chemical conditions at the surface of Earth, which,...

2015
Sunita Verma J. B. Khan

This Paper Present to study of the Physico-chemical Parameters of Fateh Sagar Talab in Bagar of Jhunjhunu district in Rajasthan. The study was carried out for a period of one year i.e. July 2012 to June 2013. Water samples were collected monthly from surface water and analyzed for Temp, pH, electric conductivity, total hardness, Alkalinity, TDS (Total dissolved solid), chloride, DO (Dissolved o...

Journal: :گوارش 0
kiumars daneshvar ali azizi

comparison of the effects of bran versus fresh vegetable on the metabolic and physico-chemical qualities of stool

2017
Cloé Desmet Andrea Valsesia Arianna Oddo Giacomo Ceccone Valentina Spampinato François Rossi Pascal Colpo

Characterisation of engineered nanomaterials (NMs) is of outmost importance for the assessment of the potential risks arising from their extensive use. NMs display indeed a large variety of physico-chemical properties that drastically affect their interaction with biological systems. Among them, hydrophobicity is an important property that is nevertheless only slightly covered by the current ph...

2011
Thomas Niewalda Thomas Völler Claire Eschbach Julia Ehmer Wen-Chuang Chou Marc Timme André Fiala Bertram Gerber

How do physico-chemical stimulus features, perception, and physiology relate? Given the multi-layered and parallel architecture of brains, the question specifically is where physiological activity patterns correspond to stimulus features and/or perception. Perceived distances between six odour pairs are defined behaviourally from four independent odour recognition tasks. We find that, in regist...

2017
Kouichi Shiraishi Shin-ichi Yusa Masanori Ito Keita Nakai Masayuki Yokoyama

We used photo irradiation to design core crosslinked polymeric micelles whose only significant physico-chemical change was in their physico-chemical stability, which helps elucidate poly(ethylene glycol) (PEG)-related immunogenicity. Synthetic routes and compositions of PEG-b-poly(aspartic acid) block copolymers were optimized with the control of n-alkyl chain length and photo-sensitive chalcon...

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