نتایج جستجو برای: β cyclodextrin sulfuric acid

تعداد نتایج: 911766  

2014
Al Dorman Robin Baker Mark Jones

The cyclical structure of this molecule has been previously employed in various industries: In low fat dairy spreads, hydrophobic cholesterol is removed using a process by lodging it inside the cyclodextrin. Hydroxypropyl-β-cyclodextrin (HPβCD) is the principle active compound in the fabric odour eliminator Febreze, the cyclodextrin simply envelops any malodorous molecules leaving even my runni...

Journal: :Journal of Advanced Concrete Technology 2023

The setting time of ternesite-calcium sulfoaluminate (TCSA) is shorter while the fluidity and mechanical strength are lower. Herein, method synergistic regulation polycarboxylate superplasticizer β-cyclodextrin was adopted to solve this. results showed that, compared reference sample, when 0.25% compounded with 0.05% β-cyclodextrin, TCSA prolonged, increased by 118% (201 mm). And net pastes com...

Journal: :Environmental Health Perspectives 1989
M O Amdur

Data from exposure of experimental animals and human subjects to sulfuric acid presents a consistent picture of its toxicology. Effects on airway resistance in asthmatic subjects were well predicted by data obtained on guinea pigs. Sulfuric acid increases the irritant response to ozone in both rats and man. In donkeys, rabbits, and human subjects, sulfuric acid alters clearance of particles fro...

Journal: :The Bulletin of Tokyo Dental College 2010
Yuji Suyama Satoru Takaku Yoshikazu Okawa Takashi Matsukubo

To investigate dental erosion in employees working with sulfuric acid at a lead storage battery manufacturing plant and level of personal exposure to sulfuric ions, we measured sulfuric ion concentrations in the mouth rinse of those employees. We also measured exposure levels from air samples obtained from 2 employees from the same plant who did not work with sulfuric acid using a portable air ...

2014
Yijie Shi Chang Su Wenyu Cui Hongdan Li Liwei Liu Bo Feng Ming Liu Rongjian Su Liang Zhao

BACKGROUND Active targeting endocytosis mediated by the specific interaction between folic acid and its receptor has been a hotspot in biological therapy of many human cancers. Various studies have demonstrated that folate and its conjugates could facilitate the chemotherapeutic drug delivery into folate receptor (FR)-positive tumor cells in vitro and in vivo. In order to utilize FA-FR binding ...

Journal: :Polymer Degradation and Stability 2021

2-hydroxypropyl-β-cyclodextrin (HP-β-CD) microfibres with diameters ranging between 3 and 7 µm were prepared by aqueous solution based high-speed electrospinning (HSES) technique then used as carbonising agent at wt% loading besides 15 ammonium polyphosphate (APP) to obtain flame-retarded poly(lactic acid) (PLA) composites. The high specific surface area of the microfibrous HP-β-CD was found ha...

Journal: :ChemEngineering 2023

The anode material is one of the determining factors for success electrowinning process. This study aims to coat graphite substrate with β-PbO2 produce an inert graphite/β-PbO2 composite low cost and good quality. synthesis expected be used as composites processes. deposition layer was prepared on surface by electrodeposition process using a sulfuric acid electrolyte. effect electrolyte concent...

2002
G. R. Howe

Strong inorganic acid mists containing sulfuric acid are known to be human carcinogens based on sufficient evidence of carcinogenicity from studies in humans that indicate a causal relationship between exposure to strong inorganic acid mists containing sulfuric acid and human cancer. Occupational exposures to strong inorganic acid mists containing sulfuric acid are specifically associated with ...

Journal: :Journal of colloid and interface science 2017
Fuat Topuz Tamer Uyar

Polycyclic aromatic hydrocarbons (PAHs) are the byproducts of the incomplete combustion of carbon-based fuels, and have high affinity towards DNA strands, ultimately exerting their carcinogenic effects. They are ubiquitousenvironmental contaminants,and can accumulate on tissues due to their lipophilic nature. In this article, we describe a novel concept for PAH removal from aqueous solutions us...

2005
R. W. Carlson M. S. Anderson R. Mehlman R. E. Johnson

Sulfuric acid hydrate has been proposed as an important species on Europa’s surface, the acid being produced by radiolysis of surficial sulfur compounds. We investigated the spectral properties of disordered and crystalline forms of sulfuric acid and suggest that the hydration properties of Europa’s hypothesized sulfuric acid lie between two end members: liquid sulfuric acid and its higher crys...

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