Proton competition in Cu(II) adsorption by fungal mycelia

Huang, Chihpin; Morehart, A. L.

doi:10.1016/0043-1354(91)90115-7

Cited by 86 publications

(45 citation statements)

References 25 publications

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“…Several reports of batch biosorption studies have been communicated by various groups [4,5]. However, relatively few reports exist of column studies for biosorption of metals.…”

Section: Introductionmentioning

confidence: 99%

Copper biosorption in a column of pretreated Aspergillus niger biomass

Mukhopadhyay

Noronha

Suraishkumar

2008

Chemical Engineering Journal

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“…Several reports of batch biosorption studies have been communicated by various groups [4,5]. However, relatively few reports exist of column studies for biosorption of metals.…”

Section: Introductionmentioning

confidence: 99%

Copper biosorption in a column of pretreated Aspergillus niger biomass

Mukhopadhyay

Noronha

Suraishkumar

2008

Chemical Engineering Journal

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“…These materials including: activated carbon (Uzun and Guzel, 2000;Goel et al, 2005;Issabayeva et al, 2007;Mondal et al, 2008), chitosan and carrageenan (Bong et al, 2004), lignite (Allen et al, 1997), kaolinite and ballclay (Chantawong et al, 2003), diatomite (Ulmanu et al, 2003), coconut fiber (Igwe et al 2007) and limestone (Aziz et al, 2004). However, adsorption by activated carbon had been reported as a technically and economically viable technology for heavy metal removal (Huang and Morehart, 1991;Bong et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Adsorption of copper, nickel and lead ions from synthetic semiconductor industrial wastewater by palm shell activated carbon

Onundi

Mamun

Khatib

et al. 2010

Int. J. Environ. Sci. Technol.

244

127

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Granular activated carbon produced from palm kernel shell was used as adsorbent to remove copper, nickel and lead ions from a synthesized industrial wastewater.Laboratory experimental investigation was carried out to identify the effect of pH and contact time on adsorption of lead, copper and nickel from the mixed metals solution.Equilibrium adsorption experiments at ambient room temperature were carried out and fitted to Langmuir and Freundlich models. Results showed that pH 5 was the most suitable, while the maximum adsorbent capacity was at a dosage of 1 g/L, recording a sorption capacity of 1.337 mg/g for lead, 1.581 mg/g for copper and 0.130 mg/g for nickel. The percentage metal removal approached equilibrium within 30 min for lead, 75 min for copper and nickel, with lead recording 100 %, copper 97 % and nickel 55 % removal, having a trend of Pb 2+ > Cu 2+ > Ni 2+ . Langmuir model had higher R 2 values of 0.977, 0.817 and 0.978 for copper, nickel and lead respectively, which fitted the equilibrium adsorption process more than Freundlich model for the three metals.

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“…Similarly, Zhang et al (45) reported a more binding of pyrolyzed mutagen at pH 6 -7 as well as Hernandez-Mendoza et al that implied, L. reuteri NRRL 14171 and L. casei Shirota bound more effectively at pH 7 than pH 8 (89). It was announced that the probable mechanism of pH influence on binding ability was due to competition between toxic compounds and protons to attach to the negatively charged binding sites (90). The Bacterialtoxin complex was not degraded after three washes with PBS solution which demonstrated that acrylamide binds to the strains irreversibly.…”

Section: Binding Ability Of Labs and Probiotics To Acrylamidementioning

confidence: 97%

Potential Anticarcinogenic Effects of Lactic Acid Bacteria and Probiotics in Detoxification of Process-Induced Food Toxicants

et al. 2016

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Context: Nowadays, it has been proved that there is a relation between dietary habits and incidence of different types of cancers. Consumption of processed foods exposes human to a wide range of toxicants such as heterocyclic aromatic amines, polycyclic aromatic hydrocarbons, acrylamide and nitrosamines that have mutagenic and carcinogenic effects on body and especially induce colon cancer. Under such circumstances, search for antimutagenic agents and helpful strategies have gained interest.Evidence Acquisition: We performed a computerized search of Scopus, Pubmed and google scholar databases with keywords: cancer, food toxicants, lactic acid bacteria, and probiotics.Results: Natural dietary compounds like lactic acid bacteria and probiotics can be beneficial in decline of detrimental effects associated with toxicants formed during food processing. It has been stated that binding ability of lactic acid bacteria and probiotics via their cell wall have prominent roles in detoxifying these toxicants. Also, this capability is influenced by various factors. Conclusions:It can be concluded that probiotics can play a vital role in prevention of colon cancer that is induced by food toxicants and their incorporation into food can be helpful in this respect.

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Proton competition in Cu(II) adsorption by fungal mycelia

Cited by 86 publications

References 25 publications

Copper biosorption in a column of pretreated Aspergillus niger biomass

Copper biosorption in a column of pretreated Aspergillus niger biomass

Adsorption of copper, nickel and lead ions from synthetic semiconductor industrial wastewater by palm shell activated carbon

Potential Anticarcinogenic Effects of Lactic Acid Bacteria and Probiotics in Detoxification of Process-Induced Food Toxicants

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