Environmentally Benign TiO2 Nanomaterials for Removal of Heavy Metal Ions with Interfering Ions Present in Tap Water

Pseudomonas mediated nutritional and growth promotional activities for sustainable food security

“…Several strains of Pseudomonas actively colonize roots because of their mineral uptake techniques, initiating fast root colonization, host-bacteria feedback mechanism, and strategic defense mechanism that hinder the invading phytopathogen. Pseudomonas fluorescens is very adaptive in nature (in terms of root colonization) and are actively involved in plant stress responses, mineral recovery, and various root secretions ( George et al., 2016 ). Secretions of roots exudates comprise high concentrations yet low molecular weight organic compounds like sugar, organic, and amino acids present within the cytoplasm ( Singh and Nagar, 2021 ).…”

“…Ecological circumstances representing dry soils promote intense penetrable reserves, where minerals penetrate and are least available for plant and rhizobial microbes. The roots of the plants are attracted to the upper subsurface areas for extending their tubes in order to achieve available minerals, despite water holding nutrients and minerals penetration by soil perforation lower to the center areas ( George et al., 2016 ). The regions rich in mineral nutrients from deeper porous zones are hard to reach due to constricted plant root anatomy that make them incapable of achieving the root length required for harvesting nutrients.…”

Titania-Coated Silica Alone and Modified by Sodium Alginate as Sorbents for Heavy Metal Ions

“…Advantages of using titanium dioxide as an adsorbent are high surface area, high adsorption capacity, stability, non-toxicity, biological and chemical inertness, and high affinity for inorganic and organic pollutants [ 10 – 12 ]. In the paper by George et al [ 13 ], TiO 2 nanoparticles were successfully utilized for the removal of arsenic, antimony, lead, and cadmium in the presence of interfering ions from tap water. As it was reported in many papers, the nanostructured TiO 2 -based sorbents are characterized by improved photocatalytic properties toward inorganic and organic compounds due to the relatively high specific surface area, good mechanical stability, biocompatibility, and electrical properties [ 14 ].…”

Fabric impregnated with TiO2 gel with self‐cleaning property

“…Thus, the content measured by EDX analysis is zero or lower than in the nonimpregnated fabric. The absorption of metal atoms on TiO 2 was reported also by George et al, who have tested the removal of various heavy metal ions like As, Cd, Cr, and Pb from tap water onto TiO 2 synthesized via sol‐gel method.…”

“…This difference in the intensity can be explained by the more reduced vibration amplitude of the β‐glycosidic linkages in cellulose as a result of Ti–O bonds fixation. The vibration of O–Ti–O bond, assigned at 1053 cm −1 is overlaid on that corresponding to the vibration of anhydro‐glucopyranose. The signals at 987, 1006, 1025, and 1044 cm −1 (Figure A), 1029, 1056, 1106, 1160, and 1207 cm −1 (Figure B) are stronger for the nonimpregnated fabric stored inside than for those stored outside.…”