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Preparation of excellent dye adsorbent that simultaneously displays convenient separation capability, high adsorption capacity, fast removal rate, superior adsorption selectivity, and favorable reusability remains a challenge. Herein, we present a simple and feasible one-step method to prepare amine-rich porous polyamidoamine (PAMAM) dendrimer gel adsorbent. The PAMAM gel could be readily separated from water by filtration. The adsorption properties of PAMAM gel was systematically examined by adsorption of anionic methyl orange (MO) and tartrazine (TTZ) dyes. The PAMAM gel exhibited superior adsorption selectivity and removal efficiency towards anionic MO and TTZ dyes. The adsorption process could be completed within around 15 min and presented fine correlation with Langmuir isotherm and pseudo-second-order kinetic models. The maximum adsorption capacity of PAMAM gel towards MO and TTZ was as high as 680.2 mg g and 689.7 mg g, respectively. Additionally, the dye-adsorbed PAMAM gel could be readily desorbed in alkaline solution. Considering the simple synthetic process and outstanding adsorption performance of PAMAM gel, this paper provides an effective approach to prepare high-performance anionic dye adsorbents.
This article was published in the following journal.
Name: Journal of colloid and interface science
Developing a forward osmosis (FO) membrane with superior ammonia selectivity and robust antifouling performance is important for treating domestic wastewater (DW) but challenging due to the similar po...
Amyloidogenic transthyretin (ATTR) amyloidosis is caused by a formation of ATTR amyloid fibrils. Because ATTR misfolding triggers the formation of aggregates and amyloid fibrils, which are considered ...
A Facile and Scalable Route to the Preparation of Catalytic Membranes With In-situ Synthesized Supramolecular Dendrimer Particle Hosts for Pt(0) Nanoparticles Using a Low Generation PAMAM Dendrimer (G1-NH2) as Precursor.
Since the first reports of Cu dendrimer encapsulated nanoparticles (DENs) published in 1998, the dendrimer-templating method has become the best and most versatile method for preparing ultrafine metal...
A facile method via "grafting to" approach was used to synthesize hybrid gold-dendrimer nanoparticles. To this end, gold nanoparticles (GNPs) were synthesized via Turkevich method and 5-generation cys...
The development of new combinations to empower better protection against HIV infection is particularly important. Anionic polymers can block HIV infection. In the current study, first generation (G1) ...
Light curing cements used for laminate veneers may be not totally cured in certain areas, so dual cured resin cements may solve this problem yet the dual cured cements containing amines ca...
Introduction: The preterm newborn of extremely low birth weight (PNELW), endures adverse nutritional conditions to mimic intrauterine growth. It´s known that amino acids contribute to pr...
The primary objectives of the study are to test whether brain Mono Amine Oxidase-A (MAO-A) levels are elevated in patients with treatment-resistant major depression, and to explore whether...
Cholesterol is the precursor of glucocorticoids, mineralocorticoids and sex steroids. Both adrenal and non-adrenal (ovarian + testicular) all steroid hormones are primarily synthesized usi...
The investigators will determine effects of different sources of protein on whole-body net protein synthesis and muscle protein synthesis in young healthy participants.
Biogenic amines having more than one amine group. These are long-chain aliphatic compounds that contain multiple amino and/or imino groups. Because of the linear arrangement of positive charge on these molecules, polyamines bind electrostatically to ribosomes, DNA, and RNA.
Ligases that catalyze the joining of adjacent AMINO ACIDS by the formation of carbon-nitrogen bonds between their carboxylic acid groups and amine groups.
Amine compounds that consist of carbon chains or rings containing two or more primary amino groups.
Guanosine 5'-triphosphate 2'(3')-diphosphate. A guanine nucleotide containing five phosphate groups. Three phosphate groups are esterified to the sugar moiety in the 5' position and the other two in the 2' or 3' position. This nucleotide serves as a messenger to turn off the synthesis of ribosomal RNA when amino acids are not available for protein synthesis. Synonym: magic spot II.
Guanosine 5'-diphosphate 2'(3')-diphosphate. A guanine nucleotide containing four phosphate groups. Two phosphate groups are esterified to the sugar moiety in the 5' position and the other two in the 2' or 3' position. This nucleotide serves as a messenger to turn off the synthesis of ribosomal RNA when amino acids are not available for protein synthesis. Synonym: magic spot I.