Results 31 to 40 of about 1,594,383 (308)

Sol-Gel Silica Nanoparticles in Medicine: A Natural Choice. Design, Synthesis and Products

Molecules, 2018
Silica is one of the most abundant minerals in the Earth’s crust, and over time it has been introduced first into human life and later into engineering. Silica is present in the food chain and in the human body. As a biomaterial, silica is widely used in
M. Gonçalves
semanticscholar   +1 more source

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

FEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point, Wafaa Achache, Janïs Laudouze, Eliana Sepulveda Ramos, Mickaël Maziero, Céline Crauste, Stéphane Canaan, Pierre Santucci   +7 more
wiley   +1 more source

Pengaruh Keasaman Medium dan Imobilisasi Gugus Organik pada Karakter Silika Gel dari Abu Sekam Padi

Jurnal Kimia Sains dan Aplikasi, 2005
Silica gel is well known as a material that may be used as adsorbent, host matrix for catalyst, etc. Hence, synthesis of silica gel from rice hull ash has been done by evaluation of the effect of medium acidity and organic group immobilized in the ...
Sriyanti Sriyanti, Taslimah Taslimah, Nuryono Nuryono, Narsito Narsito   +3 more
doaj   +1 more source

Synthesis of a Novel Thermoresponsive S53P4 Bioactive Glass Extract–Poloxamer 407 Injectable Hydrogels: Assessment of Biocompatibility and Antimicrobial Properties

Advanced Engineering Materials, EarlyView.
This study investigates innovative thermoreversible hydrogels derived from S53P4 bioactive glass extracts to aid in the healing of infected diabetic foot wounds. These injectable gels, which gel at body temperature, release beneficial ions and remain stable over time.
Marian G. Vargas Guerrero, Adrian Stiller, Alex Nygård, Matej Krivulka, Lars Galema, Erwin Peters, Jimmy Lucchesi, Peter Uppstu, Leena Hupa, Jacobus J. C. Arts   +9 more
wiley   +1 more source

Surface Modification of Silica Gel by Interfacial Polyelectrolyte Complexes

Adsorption Science & Technology, 1999
Two types of modified silica gel have been prepared by constructing layers of a thermolabile interfacial polyelectrolyte complex on the surface of silica gel using diazo resin (DR) as the polycation and poly(sodium styrene sulphonate) (PSS) as the ...
Yongjun Zhang, Weixiao Cao
doaj   +1 more source

Effective separation of organic dyes using ionic liquids as green mobile phase and polyaniline-modified silica gel nanocomposite-based thin-layer chromatography

Journal of Analytical Science and Technology, 2017
Background Organic dyes are used for a wide variety of purposes including their applications in textiles, foods, printing cosmetics and pharmaceuticals.
Ali Mohammad, Mahfoozurrahman Khan, Qasim Ullah, Faiz Mohammad   +3 more
doaj   +1 more source

Atividade alelopática em folhas de Tachigali myrmecophyla (Leg. - Pap.). [PDF]

, 2016
O uso de espécies florestais com atividade alelopática pode assegurar aos sistemas agroflorestais maior estabilidade, notadamente em relação à redução das espécies de plantas daninhas.
ARRUDA, M. S. P., LOBO, L. T., SOUZA FILHO, A. P. S.   +2 more
core   +1 more source

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

Advanced Engineering Materials, EarlyView.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni, Thalita Marcolan Valverde, Talita Martins, Guilherme Mattos Jardim Costa, Alfredo Miranda de Goes, Marcello Rosa Dumont, Eduardo Henrique Martins Nunes, Marivalda de Magalhães Pereira   +7 more
wiley   +1 more source

Coleta de folhas do cafeeiro e extração de DNA genômico de alta qualidade. [PDF]

, 2011
Para a amplificação do DNA in vitro, é necessário que o DNA genômico seja de boa qualidade. É comum que seja realizada a coleta do tecido vegetal em local distante de onde será feita a extração e análises do DNA e muitas vezes, o armazenamento inadequado
CARVALHO, B. L., PADILHA, L., PEREIRA, G. S., RESENDE, L. de, VON PINHO, E. V. de R., VON PINHO, I. V.   +5 more
core  

Detection of adulterations in food products containing milk and/or milk proteins [PDF]

, 2002
A critical review of the most relevant analytical methodologies for quality and authenticity control of dairy products and foods containing milk proteins is presented.
Ferreira, Isabel M.P.L.V.O., Ferreira, Margarida A., Teixeira, Natércia, Veloso, Ana C.A.   +3 more
core   +2 more sources