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Ameta1,d 1Department of Chemistry, Pacific College of Basic & Applied Sciences, PAHER University, UDAIPUR-313024 (Rajasthan) INDIA 2Department of Chemistry, Guru Nanak Girls PG College, UDAIPUR-313002 (Rajasthan) INDIA arakshit_ameta@yahoo.in, bsurbhi.singh1@yahoo.com, caarti_ameta@yahoo.com, dameta_sc@yahoo.com (corresponding author) Keywords : Photocatalysis, Degradation, Organic pollutant, Wastewater treatment.
Titanium dioxide mainly exists in three crystal structures (anatase, rutile and brookite) and each one of them, behaves in a different manner.
The effect of photocatalyst concentration, pH and structure of amines on photodegradation was also studied.
They further proposed that the different rates of photocatalytic degradation of N-containing compounds are the result of a strong interaction among pollutants structure, TiO2 properties and photocatalytic reaction conditions.
Zhang, Enhanced photocatalytic degradation of dye pollutants under visible irradiation on Al(III)-modified TiO2: Structure, interaction, and interfacial electron transfer, Environ.

Each metal removal mechanism may be different from one biosorbent to another, due to the fact that this removal is linked to the chemical functional groups in its structure [12].
However, the surface chemistry of the material also shows importance for the understanding of ionic affinities [26].
One of the important factors in the process of metal ion biosorption is the state in which the biomass is found, due to differences in the structure and composition of the cell walls.
Du, Recyclabe Saccharomyces cerevisiae loaded nanofibrous mats with sandwich structure constructing via bio-electrospraying for heay metal removal.

The electrical properties of conducting polymers such as PEDOT:PSS strongly depend on their film morphology and structure.
This kind of behavior was reported previously in several conductive polymers (similar to PEDOT:PSS) with heterogeneous structures that exhibit “metallic” behavior (dσdT<0) [26].
A strategy to design novel structure photochromic sensitizers for dye-sensitized solar cells, Sci.
Conductivity, morphology, interfacial chemistry, and stability of poly(3,4-ethylene dioxythiophene)–poly(styrene sulfonate): A photoelectron spectroscopy study, J.

The FEI brand Tecnai G2 Spirit Biotwin Model High Contrast Transmission Electron Microscope (CTEM) was used to investigate the surface properties and structures of the nanoparticles[16].
Levodopa ((2S)-2-amino-3-(3,4-dihydroxy phenyl) propanoic acid) has -NH2 in its chemical structure which could have electrostatic interaction with the end group of Resomer® RG 503 H PLGA (acid terminated, lactide: glycolide 50:50, Mw 24000-38000) which results in higher EE % [28].
As shown in Figure 4; A4, A4a, A4b formulations nanoparticle structure turned into a non-spherical shape with the increased homogenization speed which also leads to an increased size due to using the DLS method-based instrument (Malvern ZetaSizer Nano ZS, Germany) [40].
Current Topics in Medicinal Chemistry 2017;17:1490-506

The structure properties are effected by the morphology of the scaffold and also by the inherent material properties [4].
This is subsequently covered by a calcium/phosphorous layer which deposits as a “coral like” structure on the surface.
When considering manganese contents of 20-25% in iron, a bi-phasic structure is formed consisting of a martensite (ε) and austenite (γ) structure.
Labbanczová, et al., "Iron based degradable foam structures for potential orthopedic applications," Int.
Crisponi, "Iron chelating agents in clinical practice," Coordination Chemistry Reviews, vol. 184, pp. 291-310, 1999

Parabolic growth of the SRZ was observed, and the growth rate with a 10 mm thick barrier layer was one order of magnitude lower than with no barrier. 2.4 Structures with single and triple-barrier layer Figure 7 shows schematic structures of the DBC system.
As shown in Fig. 8(A), the triple s-layer structure was maintained and a protective Al2O3 scale formed on the b-NiAl(2at%Pt) layer.
The s / Al2O3 (+NiAl2O4) structure was found to be maintained after long exposures. 9.
Narita, Submicron Structure of Rhenium-Base Diffusion Barrier Coating Layer on a Nickel-Base Superalloy, Materials Trans., 48, No.3, 526-530, (2007)
(105) Toshio Narita and Tatsuo Ishikawa: SOME ASPECTS ON THE INTERNAL SULFIDATION OF Fe-Cr ALLOYS AT LOW SULFUR PRESSURES, Proceedings of the Symposium on High Temperature Materials Chemistry-Ⅳ, edited by Z.A.

Naturally the threshold obtained in this static way can be much lower than the actual threshold, particularly in compact structures where the ratio can amount to a factor of the order of five.
It is however still limited to very small cell sizes in non compact structures, like SiC, for calculation duration reasons [18].
Also the complex chemistry (56 atoms per unit cell) results in a large loop nucleus size and consequently to a low nucleation rate.
Indeed the microstructural studies above have shown that in MgO in this temperature regime an interstitial loop structure forms and evolves.
The resulting structure may, as in metallic glasses, or may not, as in SiO2 [83], be closely related to the structure of the glass formed, when possible, by a quench from the liquid phase.

Batch formation for doping HAp structure.
The morphology appears to give a high porosity structure, which is necessary for the structure of bone ECM.
The XRD pattern reveals a single hexagonal HAp crystal structure.
The synthesized HAp showed a single-phased structure.
Materials Today Chemistry, 39, (2024), 102175

For instance, a hierarchical pore structure is required.
Such properties are a consequence of their singular structure that is also the reason of their striking name.
In Fig. 6, two 'star gels' structures are depicted.
Structure of two star gels.
Elliott: Structure and Chemistry of the Apatites and other Calcium Orthophosphates (Elsevier, London, 1994)

Because the supercritical carbon-dioxide performs little destruction to the structure of pDNA in the preparation process, the bioactivity of pDNA manages to get efficient protection.
The PLGA that processed by surface cation modification can release the cation-DNA compound, protecting the DNA from being dissolved by nuclease and retaining the integrity of its structure.
Parenteral protein delivery systems using biodegradable polyesters of ABA block structure, containing hydrophobic poly(lactide-co-glycolide) A blocks and hydrophilic poly(ethylene oxide) B blocks , J Control Release, 39 (1996) 315-326
Research progress of PLGA nanoparticle as non-viral gene delivery system, Chemistry of Life, 29(2009)120−123