Results 81 to 90 of about 16,178 (250)

Guiding and Manipulating Light Fields in Microstructured Liquid Crystals

Advanced Physics Research, EarlyView.
This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang, Yong‐shuai Li, Jin‐hui Chen   +2 more
wiley   +1 more source

QUALITY CONTROL AND EVALUATION OF CERTAIN PROPERTIES FOR SOAPS MADE IN ROMANIA

Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2011
Several medical soaps with antiseptic properties and washing commercial soaps were analyzed to compare the values on quality criteria for different characteristics.
Viorica Popescu, Alina Soceanu, Simona Dobrinas, Danut Tiberiu Epure   +3 more
doaj  

Cleaner Processes for Making Laundry Soap from Vegetable Oils and an Essential Oil

Applied Sciences
This article demonstrates that the quality of laundry soap obtained by hot/cold saponification of two vegetable oils (olive and coconut) and an essential oil (such as Neem, Tea Tree or Thyme) influences the effects obtained after washing textiles ...
Valentina-Gabi Stănescu, Vasilica Popescu, Viorica Vasilache, Gabriel Popescu, Cristina Mihaela Rîmbu, Andrei Popescu   +5 more
doaj   +1 more source

Use of Natural Antioxidants from Newfoundland Wild Berries to Improve the Shelf Life of Natural Herbal Soaps

Antioxidants, 2019
Antioxidants are important bio-regulators and suppressors of oxidation and are useful in enhancing the shelf life of consumer products. Formulated natural herbal soaps contain ingredients with antioxidant activities, but it is unknown how this influences
Oludoyin Adigun, Charles Manful, Natalia Prieto Vidal, Abira Mumtaz, Thu Huong Pham, Peter Stewart, Muhammad Nadeem, Dwayne Keough, Raymond Thomas   +8 more
doaj   +1 more source

Soaps with antibacterial properties

, 2020
Diplomová práce se zabývá srovnáním antimikrobních účinků přírodních toaletních mýdel bez aktivní složky a přírodních toaletních mýdel, kde aktivní složku tvoří přírodní surovina.
Hofrichterová, Dita
core  

Lead soaps in paintings: friends or foes?

, 2016
International audienceThe origin(s) and role(s) of metal soaps in paints are a worldwide concern today. These hybrid compounds, containing both fatty acid chains and metals associated with a carboxylate function, are increasingly identified in paints. As
Wout De Nolf (2474308), Emilie Checroun (3187455), Manfred Burghammer (584568), Yoko Taniguchi (3187452), De Nolf, Wout, De Viguerie, Laurence, Burghammer, Manfred, Marine Cotte (1373931), Cotte, Marine, Philippe Walter (2014072), Koen Janssens (219438), Janssens, Koen, Checroun, Emilie, Taniguchi, Yoko, Camille Rivard (1615651), Jean Susini (2195641), Susini, Jean, Laurence De Viguerie (2813161), Murielle Salomé (2690251), Salomé, Murielle, Walter, Philippe, Rivard, Camille   +21 more
core   +1 more source

Magnetic lipase B from Candida antarctica (CALB) biocatalyst for integrated valorization of tilapia by‐products and biodiesel biorefining

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract The immobilization of lipase B from Candida antarctica (CALB) on an amino‐epoxy functionalized magnetic support (Fe3O4‐PEI‐DGEBA) resulted in a highly stable and efficient biocatalyst for biofuel production from tilapia oil. The synthesized support was characterized using scanning electron microscopy, transmission electron microscopy, X‐ray ...
Rafael Leandro Fernandes Melo, Francisco Simão Neto, Bruno Caio Chaves Fernandes, Paulo Gonçalves de Sousa Junior, Patrick da Silva Sousa, Tiago Melo Freire, Raniere Dantas Valença, Frederico Ribeiro do Carmo, Marcos Reinaldo da Silva, Leonardo Farias Serafim, João Maria Soares, Pierre Basílio Almeida Fechine, José Cleiton Sousa dos Santos   +12 more
wiley   +1 more source

Life cycle assessment of biodiesel synthesis from waste cooking oil using bifunctional heterogeneous catalyst

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract The development of renewable energy sources is important in order to achieve the United Nations Sustainable Development Goals (SDGs). Waste cooking oil (WCO) is a promising feedstock for biodiesel production through transesterification. Heterogeneous bifunctional catalysts offer a sustainable alternative to conventional homogeneous bases such ...
Frederick Jit Fook Phang, Jocelyn Ling Hui Jong, Michael Toh Yang Wong, Jiuan Jing Chew, Lusi Ernawati, Diah Agustina Puspitasari, Fuping Li, Yen San Chan, Basil T. Wong, Jaka Sunarso   +9 more
wiley   +1 more source

Exploring the potential of ucuúba (Virola surinamensis) seed fat

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract Ucuúba (Virola surinamensis) fat is an important income source for Amazonian communities. Local businesses typically process whole seeds for fat extraction; however, seed structural integrity may influence extraction efficiency and fat quality.
Juan David Marmolejo Tascón, Eduardo Macedo de Melo, Jane Mara Block, Cristiano José de Andrade, Sandra Regina Salvador Ferreira   +4 more
wiley   +1 more source

Beyond salaries: Teachers' experiences of navigating early years education amid economic instability in Türkiye

British Educational Research Journal, EarlyView.
Abstract The intersection of economic conditions and early years education has long been debated, particularly where financial constraints shape educational practice and professional realities. Türkiye, characterised by high inflation and structural vulnerabilities in purchasing power parity, provides a critical context for examining how economic ...
Ebru Aydın, Şerif Yüksel
wiley   +1 more source