نتایج جستجو برای: physiochemical properties

تعداد نتایج: 870266  

2015
Seung Won Shin In Hyun Song Soong Ho Um

With the recent rapid growth of technological comprehension in nanoscience, researchers have aimed to adapt this knowledge to various research fields within engineering and applied science. Dramatic advances in nanomaterials marked a new epoch in biomedical engineering with the expectation that they would have huge contributions to healthcare. However, several questions regarding their safety a...

2014
Avijit Ghosh Tristan S. Maurer John Litchfield Manthema V. Varma Charles Rotter Renato Scialis Bo Feng Meihua Tu Cris R. W. Guimaraes Dennis O. Scott

In this work, we leverage a mathematical model of the underlying physiochemical properties of tissues and physicochemical properties of molecules to support the development of hepatoselective glucokinase activators. Passive distribution is modeled via a Fick-Nernst-Planck approach, using in vitro experimental data to estimate the permeability of both ionized and neutral species. The model accou...

Journal: :The Japanese Journal of Veterinary Science 1987

2016
Ana-Paula-Rodrigues Magalhães Francine-Couto-Lima Moreira Denise-Ramos-Silveira Alves Cyntia-Rodrigues-Araújo Estrela Carlos Estrela Marcus-Santos Carrião Andris-Figueiroa Bakuzis Lawrence-Gonzaga Lopes

BACKGROUND Silver has a long history of use in medicine as an antimicrobial and anti-inflammatory agent. Silver nanoparticles (NAg) offer the possibility to control the formation oral biofilms through the use of nanoparticles with biocidal, anti-adhesive, and delivery abilities. This study aims to evaluate the antibacterial effect of resin luting cements with and without NAg, and their influenc...

Journal: :International endodontic journal 2012
M A Saghiri K Asgar M Lotfi F Garcia-Godoy

AIM To analyse the physicochemical properties of a Nano white mineral trioxide aggregate (NWMTA) and compare it with white mineral trioxide aggregate (WMTA). METHODOLOGY White mineral trioxide aggregate and NWMTA were prepared and mixed according to the manufacturer's instructions. Surface area of powder before hydration, setting time, X-ray diffraction and microhardness at pH values of 4.4 a...

2016
Ethan Hack

Abstract—Soil samples were collected from and around Alkomos cement factory, Alkomos town, Libya. Soil physiochemical properties were determined. In addition, olive leaves were scanned for their fungal content. This work can conclude that the results obtained for the examined physiochemical characteristics of soil in the area studied prove that cement dust from the Alkomos cement factory in Lib...

Journal: :Chemical communications 2014
Niels M B Smeets Emilia Bakaic Mathew Patenaude Todd Hoare

Injectable PEG-analogue hydrogels based on poly(oligoethylene glycol methacrylate) have been developed based on complementary hydrazide and aldehyde reactive linear polymer precursors. These hydrogels display the desired biological properties of PEG, form covalent networks in situ following injection, and are easily modulated for improved control over their functionality and physiochemical prop...

Journal: :The journal of physical chemistry. B 2013
Cécile Berne Xiang Ma Nicholas A Licata Bernardo R A Neves Sima Setayeshgar Yves V Brun Bogdan Dragnea

To colonize surfaces, the bacterium Caulobacter crescentus employs a polar polysaccharide, the holdfast, located at the end of a thin, long stalk protruding from the cell body. Unlike many other bacteria which adhere through an extended extracellular polymeric network, the holdfast footprint area is tens of thousands times smaller than that of the total bacterium cross-sectional surface, making...

Hajar Rajayi, Kazem Ahmadi , Mahdi Kamali, Majid Pirestani , Mehdi Fasihi-Rammandi , Mofazzali-Jahromi Mirza Ali , Reza Mirnejad, Sharafaldin Al-Musawi , Zuhair Mohammad Hassan ,

Introduction: Curcumin is a water-insoluble agent with some anticancer and antimicrobial effects; while, solubility is essential for a medicine to reach target cells. This study set out to use chitosan tripolyphosphate nanoparticles (CTN) for making curcumin water-soluble, and delivering the required dosage of it to target cells. ...

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