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[Display omitted] • Four thiophene-based disperse azo dyes. • PG12 shows red-shifted absorption i.e. 512. • All the dyes show excellent % exhaustion. • Very good to excellent sublimation fastness. • Excellent UV-A, UV-B, and UPF rating. The design, synthesis, and use of four new thiophene-based dispersed azo dyes with salicylic and carboxylic acid acceptors are shown in this work. The produced dyes exhibit a wide range of light absorption characteristics, including near UV–visible, and deep red wavelengths. PG9 and PG12, which are thiophene disperse azo dyes with carboxylic acid acceptor, showed red-shifted absorption, but PG10 and PG11, which are azo dyes with salicylic acid, showed blue-shifted absorption. The synthesized dyes exhibited good photostability in solvents. The experimental results are supported by theoretical results from Density Functional Theory (DFT) and Time-Dependent Density Functional Theory (TD-DFT). Furthermore, the dyes exhibit outstanding dyeability with percentage exhaustion characteristics of 90% when applied to acrylic, nylon, and polyester fabrics. Rich shades ranging from deep orange to black are seen in the dyed fabrics. Salicylic acid acceptor-dyed materials have higher K/S values when applied to nylon-dyed fabrics, while acrylic and polyester-dyed fabrics respond better to carboxylic acid acceptor dyes. The fabrics that have been colored display exceptional light, wash, and rubbing fastness. In light and wash fastness, polyester-dyed fabrics performed better than acrylic and nylon-dyed fabrics. Studies on UV protection show that fabrics with high UPF ratings can block damaging UV-A and UV-B radiation efficiently. All synthetic dyes have their antibacterial activity assessed using the AATCC 100 test method, which is associated with the HOMO-LUMO energy gap. [ABSTRACT FROM AUTHOR]

This study presents the design, synthesis, and application of eight novel thiophene-based acid azo dyes featuring benzoic and salicylic acid acceptors. The synthesized dyes demonstrate versatile light absorption properties, spanning the near UV, visible, and deep red regions. Notably, the thiophene acid azo dyes containing benzoic acid acceptor unit (AB series dyes) exhibited red-shifted absorption, while their salicylic acid counterparts (SR series dyes) displayed blue-shifted absorption. The influence of increased donor strength at position 4 of the thiophene ring on absorption properties is systematically explored. Theoretical findings from Density Functional Theory (DFT) and Time-Dependent Density Functional Theory (TD-DFT) substantiate the experimental results. Moreover, the dyes are applied to wool and nylon fabrics, displaying excellent dyeability with % exhaustion properties above 70%. The dyed fabrics manifest rich shades, ranging from blue-black to deep orange. Enhanced K/S values are observed for wool-dyed fabrics in the case of SR series dyed fabrics, whereas the AB series dyes show superior results for nylon-dyed fabrics. The dyed fabrics exhibit remarkable light, wash, and rubbing fastness. Notably, nylon-dyed fabrics outperformed wool-dyed fabrics in light and wash fastness. UV protection studies reveal the fabrics' potential to block harmful UV-A and UV-B radiation with excellent UPF ratings. [Display omitted] • Thiophene-based azo dyes with carboxylic acid and salicylic acid acceptors. • Red-shifted absorption properties with donor sat position 4 of the thiophene. • Excellent UV-A, UV-B, and UPT rating. • Very good to excellent light and wash fastness. [ABSTRACT FROM AUTHOR]

All modern low power system on a chip (SoC) architectures are equipped with an in-built power management system. Every new system is expected to have more features and lower power consumption, resulting in a continuous demand to improve energy efficiency. To cope up with the ever increasing demand, an active power-aware management verification architecture is necessary to minimize the power consumption. Power reduction techniques include clock-gating, power-gating, multi-voltage, and voltage-frequency scaling. The proposed verification architecture utilizes the Unified Power Format (UPF) 2.1 libraries to achieve early design verification at the Electronic System-Level (ESL) of abstraction. The proposed testbench can verify several designs of different power management schemes. The presented work offers a reduction in power states, CPU time and simulation time as compared to existing techniques. The interactive formal and simulation-based verification methods are used in this paper to remove the simulation artifacts during functional and power co-simulation. Additionally, this paper incorporates functional correctness and power-aware checks for different modules of Design Under Verification (DUV) at Transaction-Level Modeling (TLM). The proposed verification architecture supports active power management, TLM stimulus-based functional verification, automated register abstraction layer verification and automated coverage and power checks. The testbench architecture attains the following objectives of power-aware management and functional verification Intent: • Simulations of power-aware management unified power format (UPF) architecture using electronic system level (ESL) abstraction for early verification. Visualization of failure, isolation or retention. Automatic power checks for power management errors. • Addition of transaction-level modeling based stimulus generation in testbench for functional verification of design with assertion based self-checking mechanism. • Automated register abstraction layer implementation on testbench for register power-aware verification. • Collection of power states, transition coverage and functional coverage with automated coverage and power checks. • Implementation of real-time automation for valid scenario generation in minimum execution time. [ABSTRACT FROM AUTHOR]

• Computationally designed s-Triazine compounds are synthesized by simple synthetic route of nucleophilic substitution reaction. • The predicted UV–Vis spectra demonstrates excellent correlation with the experimental spectra. • Observed and calculated vibrational spectra are in good agreement with each other. • The synthesized UV absorbers applied onto cotton fabric have exceptional UPF values against commercial UV absorber. • The newly synthesized UV absorbers have offered excellent wash durability. The increased awareness of people about deleterious effects of UV radiations to human health was the motivation to develop the UV protective textiles. This research was focused to computationally design and synthesize fiber reactive UV absorbers using cyanuric chloride as starting synthetic building block having s-triazine scaffold. The computational profile of design compounds included optimized geometries, photophysical properties, FT-IR and Raman vibrational frequencies which were investigated at DFT level using CAMB3LYP and B3LYP functionals with 631-G (d, p) basis set. The designed target compounds successfully synthesized and chemical structures were characterized by ESI-MS, UV–Vis, ATR-FTIR, and Raman spectroscopy. The results of computational and experimental spectroscopic techniques are presented in comparison that showed excellent correlation. The synthesized UV absorbers were applied onto cotton fabric through simple pad-dry-cure technique and their potential as textile UV protective agent was evaluated by measuring UPF and wash durability. The finished fabric with synthesized compounds offered UPF value of 170 and 129 for UVA1 and UVA2 respectively and was persistent with UPF values of 134 and 118 even after 25 home launderings. The finished cotton fabrics were characterized by ATR-FTIR after 25 home launderings to identify the presence of different functional groups. The cotton fabric finished with synthesized compounds proved its potential as highly UV protective with long wash durable textile. [Display omitted] [ABSTRACT FROM AUTHOR]

Standardised assessments comparing the surveyed shade quality characteristics of twenty-one trees currently established and growing in public parks and playgrounds in Queensland, Australia are presented for informing local government, shade designers and municipal planners. Assessments focus on the ultraviolet protection of individual tree canopies which are reported in terms of the Shade Protection Index (SPI) and Ultraviolet Protection Factor (UPF) assessed at fine temporal resolution and averaged over a full calendar year. The UPF and SPI are used to determine tree species best suited for optimal shade with respect to twenty-six regional cities spanning 17 ∘ in latitude. This assessment included all local coastal districts from Bamaga (− 10.89 ∘ S, 142.39 ∘ E) to Southport (− 27.97 ∘ S, 153.42 ∘ E) showing a general (species dependent) decline in ultraviolet protection with increasing southerly latitude. Survey tree species are ranked and listed in order of best ultraviolet protection for respective localities enabling the quality of protection provided by living tree canopies to be compared across a range of environments. • Solar UV protection characteristics are listed for 21 trees. • Trees are ranked in order of protection for 26 Queensland municipalities. • The quality of tree shade decreases with increasing latitude. [ABSTRACT FROM AUTHOR]

Abstract A series five coumarin azo disperse dyes with thiophene bridge are synthesized using diazotized aniline derivatives which are confirmed by FT-IR, 1H NMR, 13C NMR, and CHN analysis. The dyes are applied on polyester and nylon material. The multifunctional properties (lightfastness, washing fastness, sublimation fastness, K/S, UPF, and antimicrobial activity) of the dyed fabric are determined. The dye 3a (-NO 2) show red shifted absorption (649 nm) and blocking 95.5–97.4% of UV radiations with 96% antimicrobial property. The geometries of all the azo dyes are optimized using Density Functional Theory (DFT). The Global Reactivity Descriptors (GRD) are evaluated at the same method of theory. The GRD obtained shows a linear relation with lightfastness and UPF ratings. The antimicrobial activity of all synthesized dyes are determined by AATCC 100 test method and it is correlated with the HOMO-LUMO energy band gap. Graphical abstract Image 1 Highlights • Five coumarin disperse azo dyes with thiophene bridge are synthesized. • 3a show red shifted absorption i.e. 649 nm, high UPF and antimicrobial activity. 3a has (-NO 2) a strong acceptor with increased pi-conjugation. • They show UPF and antimicrobial property effect on textile fabric. • The lightfastness, UPF and antimicrobial property are correlated with help of Density Functional Theory (DFT). [ABSTRACT FROM AUTHOR]

Cotton-titania nanocomposites with multifunctional properties were synthesized through ultrasonic acoustic method (UAM). Ultrasonic irradiations were used as a potential tool to develop cotton-titania (CT) nanocomposites at low temperature in the presence of titanium tetrachloride and isopropanol. The synthesized samples were characterized by XRD, SEM, EDX and ICP-OES methods. Functional properties i.e. Ultraviolet protection factor (UPF), self-cleaning, washing durability, antimicrobial and tensile strength of the CT nanocomposites were evaluated by different methods. Central composite design and response surface methodology were employed to evaluate the effects of selected variables on responses. The results confirm the simultaneous formation and incorporation of anatase TiO 2 with average crystallite size of 4 nm on cotton fabric with excellent photocatalytic properties. The sustained self-cleaning efficiency of CT nanocomposites even after 30 home launderings indicates their excellent washing durability. Significant effects were obtained during statistical analysis for selected variables on the formation and incorporation of TiO 2 nanoparticles (NPs) on cotton and photocatalytic properties of the CT nanocomposites. [ABSTRACT FROM AUTHOR]

Proton Exchange Membrane Fuel Cell (PEMFC) is a promising renewable energy, while still limited by the short life duration. To postpone the end of life, approaches of health management and prognostic (PHM) are applied into the cells. The stack voltage and impedance are often used as the health indicator (HI) for estimating state of health (SoH) and predicting remaining useful life (RUL). However, on one hand, on-line measurement of impedance is hardly realizable while downtime measure costs a lot. On the other hand, a single HI based on voltage or impedance is difficult to express the degradation of PEMFC precisely. To tackle this problem, this paper develops a fusion HI and a prognostic methodology for PEMFC SoH estimation and RUL prediction. Moreover, geodesic distance is employed to estimate SoH. Afterwards, a 2nd order Gaussian degradation model is built to complete the RUL prognostics based on unscented particle filter (UPF). In the experiment, both mahalanobis distance and geodesic distance are employed to estimate the SoH based on the presented HI. Besides, a rational model is applied to predict the RUL compared with the proposed Gaussian model. Finally, the results show the efficiency and effectiveness of the SoH estimation and RUL prediction approaches based on the proposed HI. [ABSTRACT FROM AUTHOR]

Aluminum doped zinc oxide (AZO) film was deposited onto a polyester fabric by magnetron sputtering. The coated fabric samples were then systematically investigated by X-ray diffraction, X-ray photoelectron spectroscopy, field emission scanning electron microscopy and Fourier transform infrared spectroscopy. The thickness of the AZO film on fabric samples was also evaluated, as well as the water repellency, ultraviolet protection factor (UPF) and infrared emissivity. The results showed that the AZO coated fabric presented higher water repellency with a contact angle (CA) of 146° and substantial reduction of ultraviolet transmittance with a UPF value of 362. The infrared emissivity of the AZO coated polyester fabric was reduced to 0.916 in comparison to the untreated fabric of 0.979, when the thickness of the AZO coating was 450 nm. [ABSTRACT FROM AUTHOR]

The flower-like CuS hierarchical structures were synthesized by solvothermal method. The as-prepared products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared(FTIR) spectroscopy, UV–vis optical absorption spectroscopy and thermogravimetric analysis (TGA). The results demonstrated that the as-prepared flower-like CuS with the diameter of 1–5 um was pure hexagonal phase CuS and had well-defined flower-like structures. (1) The as-prepared CuS was proved to possess high photocatalytic performance with band gap of 1.45 eV. The degradation rate of Methylene blue (MB) was up to, 98.26%, 100% after 30 min under UV and visible irradiation. (2)The UPF of cotton fabric treated with CuS reached up to 174 compared with the original untreated fabric with the UPF 20.62. (3) The electromagnetic interference shielding effectiveness (EMI SE) of CuS coating was up to 27–31 dB when the content of CuS increased to 28.6%wt in the frequency of 300 KHz–3 GHz. Furthermore, the influence of reaction conditions on the morphology of the as-prepared CuS was investigated systematically and the possible formation mechanism of the CuS hierarchical structure was also proposed. [ABSTRACT FROM AUTHOR]

Nanostructured LaB 6 films were deposited on flexible Poly Trilobal substrates (PET textiles) through direct current magnetron sputtering in order to broaden its applications and realize surface functionalization of polyester fabrics. Characterizations and performances were investigated by employing a scanning electron microscope (SEM), Fourier transformation infrared spectroscopy (FT-IR) and ultraviolet-visible (UV–vis) spectrophotometer. Ultraviolet Protection Factor (UPF) conducted by the integral conversion was employed to measure the ultraviolet protection ability. As expected, the growth of LaB 6 film depending on the pressure variation enhanced UV-blocking ability (UPF rating at 30.17) and absorption intensity of the textiles. [ABSTRACT FROM AUTHOR]

Multi-functionalization of textile to protect against environmental factors and/or add fashionable characters is newly an enjoyable and interested field. One of the most challenges faces such process, is functionalization of natural and synthetic fabrics using the same technique/method. The current study focused on utilization of one applicable technique to functionalize both of natural and synthetic fabrics including linen, silk, nylon and PET. Silver nanoparticles (AgNPs) were in-situ deposited onto fabrics using sodium citrate as reducing agent. Fabrics macromolecules were stabilized the produced AgNPs which were inserted in fabric structure. Functions of the treated fabrics were tested against coloration and UV transmission radiation. The maximum and lowest Ag contents on fabrics were recorded for silk (12.05 g/kg) and nylon (2.65 g/kg), respectively. Except PET, fabrics macromolecules could be shared in the reduction process of Ag ions. Under electron microscope, crystalline – cupic AgNPs was seen on silk surface, while, agglomerated particles were formed on PET surface. Fabrics were acquired yellowish color with good fastness after AgNPs incorporation. UV transmission radiation through fabrics was reduced for all fabrics after treatment and PET showed highest UPF of 30.4. AgNPs-fabrics exhibited antimicrobial properties and followed the order of silk > linen > nylon > PET. [ABSTRACT FROM AUTHOR]

Nowadays, functional clothes are employed for human body protection in addition to be fashionable clothes. Hence functionalization of clothes increases the attention of scientists and business. In the current study, poly-functional cotton fabric was carried out by instantly deposition of AgNPs using two solventless techniques namely; sorption and padding. Sorption technique was exhibited extremely high efficiency than padding one by ca. 10 times. By using the same concentrations of AgNO 3 , Ag content was ranged 69.3–6094.8 mg/kg and 33.8–609.3 mg/kg for sorption and padding, respectively. After AgNPs deposition, fabrics color was turned to gray-reddish yellow. By applying 5912.3 mg Ag/kg fabric, bacterial reduction and UPF value were reached 99% and 12.59. Bacterial reduction and UPF were lessened to 90% and 10.19 after 20 washings. These findings proved that the direct AgNPs deposition into cotton using solventless/sorption technique is applicable in manufacturing of antibacterial/UV resistant fabrics with acquired decorative color. [ABSTRACT FROM AUTHOR]

Nonsense-mediated mRNA Decay (NMD) is a eukaryotic quality-control mechanism that governs the stability of both aberrant and normal transcripts. Although plant and mammalian NMD share great similarity, they differ in certain mechanistic and regulatory aspects. Whereas SMG6 (from Caenorhabditis elegans ‘suppressor with morphogenetic effect on genitalia’)-catalyzed endonucleolytic cleavage is a prominent step in mammalian NMD, plant NMD targets are degraded by an SMG7-induced exonucleolytic pathway. Both mammalian and plant NMD are downregulated by stress, thereby enhancing the expression of defense response genes. However, the target genes and processes affected differ. Several plant and mammalian NMD factors are regulated by negative feedback-loops. However, while the loop regulating UPF3 (up-frameshift 3) expression in not vital for mammalian NMD, the sensitivity of UPF3 to NMD is crucial for the overall regulation of plant NMD. [ABSTRACT FROM AUTHOR]

Highlights: [•] The effect of UV absorber and biopolishing on UV protection of cotton knitted fabric was examined. [•] Two types of cotton yarn were used for comparing the UV protection property. [•] A synergetic effect of UV absorber and biopolishing on UPF of treated knitted fabric was observed. [ABSTRACT FROM AUTHOR]

Abstract: Azobenzene Schiff base possesses excellent photochromic or thermochromic properties based on intermolecular proton transfer or cis-trans isomerization. The azobenzene Schiff base containing two reactive groups, N, N-bis{p-[(2′-sulphatoethyl)sulphonyl phenylazo] salicylidene}-1,2-ethylenediamine (BSPEA), was applied to modify cellulose materials. The functional cellulose fabrics containing azobenzene Schiff base groups were prepared. The chemical and morphological structures of functional cellulose fabrics were characterized by element analysis, FT-IR spectrum, and scanning electron microscopy (SEM). The UV-protection properties of the fabrics were investigated by the ultraviolet transmittance spectra and ultraviolet protection factor (UPF). The results show that the functional cellulose fabrics had excellent UV-protection properties with higher UPF value (UPF value reached 31.7) and lower ultraviolet transmittance (less than 5%). The modified cellulose fabrics had not significant influence on the physical properties. The functional cellulose fabrics based on reactive azobenzene Schiff base would have potential application in textile and functional materials. [Copyright &y& Elsevier]

Abstract: A secure and autonomous navigation system is needed for the lunar rover in future lunar missions in case of emergencies. Celestial navigation is a very attractive solution for long distance navigation on the Moon without the need of ground navigation aids. It only uses star altitudes, which are measured by a high accuracy star sensor and inertial measurement unit (IMU) to estimate the position of the rover. The navigational accuracy of this method depends largely on the accuracy of measurements, so the measurement errors have a great impact on the navigational performance. A new autonomous celestial navigation method for the lunar rover is presented in this paper, which uses the augmented state unscented particle filter (ASUPF) to deal with the systematic error and random error in the measurements. The validity and feasibility of this new method is tested and examined by the hardware-in-loop test. A position estimation error within 60 m is obtained. Compared to the conventional method, this method shows better navigation performance and higher adaptability to these measurement errors. [Copyright &y& Elsevier]

Abstract: Multisensor navigation data synthesis (MNDS) is the process of fusing outputs from inertial sensors with information from other sensors and information processing blocks into one representational form. This technique is anticipated to accomplish enhanced accuracy and more specific inferences than could be achieved by the use of a single sensor alone. Therefore, this research work expounds innovative filtering methodology for the multisensor navigation data synthesis for a ballistic missile application that augments navigation system performance. The premise and characteristics of strapdown inertial navigation system (SINS) integrated with the astronavigation system (ANS) based on the unscented particle filter (UPF) are investigated in this paper. Configuration of the integrated navigation system is presented with its canonical model, and system dynamic and stochastic models required for the filtering algorithm are presented. To exemplify integrated navigation filter mechanization is the foremost aspiration of this research. To validate and corroborate the designed MNDS technique, simulations are carried out that demonstrate the validity of this method on enhancing the navigation system’s accuracy with estimation and compensation for the gyro’s drift. This integrated system results in a significant reduction in impact-point dispersion of a re-entry vehicle. [Copyright &y& Elsevier]

Abstract: Computer simulation and analysis of power systems are necessary for both planning and operation. This requires an appropriate mathematical model of the system that includes many inter-related linear/nonlinear differential and algebraic equations. Such mathematical model is also needed for the design of globally coordinated controllers to improve power system dynamic performance and stability. This paper presents a procedure for finding comprehensive dynamic models of power systems fitted with shunt and/or series connected FACTS controllers such as STATCOM, SSSC, and UPFC. In this procedure, individual components of a power system are modeled using appropriate frame of references. Then all related equations are transformed to a common network frame of reference and tied to each other through the Y-matrix of the transmission network. The procedure is tested on the Western System Coordinating Council (WSCC) test system including FACTS controllers by performing computer simulations of the system for three-phase short circuit faults. MATLAB/Simulink software package is used for the simulations. [Copyright &y& Elsevier]

New information about the pathway of eukaryotic gene expression indicates that many of the steps in this pathway are functionally interconnected. An important link has recently emerged between pre-mRNA splicing and the post-splicing events such as mRNA export and mRNA decay. Recent results reveal that the coupling is mediated by a novel group of nuclear mRNA-binding proteins that are recruited to the mRNAs by spliceosome. These proteins, including Y14, Aly/REF, RNPS1, SRm160, and DEK, are assembled into a stable complex near exon-exon junctions of spliced mRNAs. Several of them persist in their attachment to mRNAs in the cytoplasm thus communicating the history of splicing to the downstream events. The detailed mechanism of coupling and the factors that mediate these processes remain to be determined in the coming years. [ABSTRACT FROM AUTHOR]

Positional isomers of benzothiazole-pyridone and benzothiazole-pyrazole containing disperse azo dyes are reported. These heterocyclic azo dyes are decorated with 'separate ESIPT core' and show emission in seven solvents of different polarity. After application on polyester fabric, "very good to excellent" light and washing fastness properties were observed. Thermal stability of 'dyed fabric' was analysed by sublimation fastness test- and found 'very good to excellent' ratings at 210 °C. Ultraviolet Protection Factor (UPF) analysis of four 'dyed fabric' indicates the blocking 96–97% of UV radiation. Dyes were found effective on gram positive and negative bacteria by agar diffusion method and all the 'dyed fabrics' also showed more than 92% or 94% reduction of S. aureus or K. pneumoniae respectively by 'AATCC 100' method. Structures of the dyes were optimized using Density Functional Theory (DFT) to deduce stable tautomeric form. Calculated HOMO-LUMO gap is then compared with antibacterial activities. Electrophilicity index and lightfastness property were also compared and found to have very good correlation. Unlabelled Image • Emissive azo disperse dyes having separate ESIPT-benzothiazole core • Ultraviolet Protecting Factor (UPF) on polyester • Antibacterial studies by agar gel diffusion and AATCC 147, AATCC 100 • Electrophilicity index HOMO-LUMO gap compared with antibacterial activity [ABSTRACT FROM AUTHOR]

Acacia auriculiformis can be effectively used for simultaneous dyeing and finishing of protein and cellulosic textile substrates. Wool and silk fabrics dyed with Acacia auriculiformis exhibit excellent colourfastness to washing and good light fastness properties. The phytochemical studies indicate the presence of saponin, phenols, tannin and glycosides in the aqueous extract of the colourant. Cotton, eri and wool fabrics dyed with aqueous extract of Acacia auriculiformis (200 g/l) results in maximum UPF value. Dyed fabrics are having excellent resistance against S. aureus and E. coli. There is an improvement in surface colour strength (measured in terms of K/S values) for all the dyed fabrics with the increase in dye concentration. The positive values of a* and b* indicates that the colour of the dyed fabrics is in red-yellow quadrant. [ABSTRACT FROM AUTHOR]

Disperse azo dyes are synthesized and characterized by 1H NMR, 13C NMR, LC-MS, Elemental analysis, UV–visible, and fluorescence spectroscopy methods. The azo dyes show absorption maxima in the range of 460–493 nm. Dye with benzothiazole moiety i.e. VM7a and VM8a show a bathochromic shift in absorption maxima of 90 and 26 nm respectively in a polar aprotic solvent (i.e. DMF, DMSO). The dyes show deep red emission in a polar aprotic solvent (i.e. DMF, DMSO) with a Stokes shift of 62 to 180 nm. The dyes are applied on polyester fabric and the dyed fabric exhibit excellent to a good wash and sublimation fastness property. They show a very good UPF rating and almost blocking 95 to 98% of harmful UV radiation. Antibacterial activity of dyed polyester fabric is assessed qualitatively and quantitatively by using AATCC 147 and 100 test method respectively. The dyed fabrics exhibit excellent antibacterial activities against S.aureus (Gram-positive) and K. pneumoniae (Gram-negative). DFT method was used to identify the stable conformer. HOMO-LUMO gap and global reactivity descriptors were calculated using DFT method and correlated with antibacterial activities and light fastness properties respectively. Unlabelled Image • Heterocyclic Disperse Azo dyes with good fastness properties. • Dyed fabric with good UPF rating blocking 95 to 98 % of harmful UV radiation. • Antibacterial activities against "S.aureus" (Gram +ve) and "K. pneumoniae" (Gram –ve). • DFT method were used to correlate the experimental findings. [ABSTRACT FROM AUTHOR]

Utilization of nanoparticles has increased significantly over last decade due to their extraordinary properties they offer. They are being used extensively in all fields including textiles but the biggest constraints of nanoparticles in textiles is their non-durability. One way to address this issue is the surface functionalization of nanoparticles for increasing their adhesion with textiles. Titanium dioxide (TiO 2) has been used for making self-cleaning fabrics. In this study, TiO 2 nanoparticles were functionalized with 3-(Trimethoxysilyl) propyl-N,N,N-dimethyloctadecyl ammonium chloride and 3-Glycidoxypropyl)trimethoxy-silane to improve their adhesiveness when applied to textile substrates. Functionalized TiO 2 nanoparticles and the treated cotton textiles were characterized using thermogravimetric analysis (TGA), zeta potential analyzer, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-Ray diffraction (XRD) and ultraviolet transmittance spectrophotometry. Water contact angle (WCA) was measured for superhydrophibicity assessment. Treated fabric showed WCA of 150.5° making it superhydrophibic. Photocatalytic dye degradation was observed by using UV–Vis NIR spectrometer. Antibacterial activity was examined against Gram-positive and Gram-negative bacteria, qualitatively and quantitatively. The prepared cotton fabric showed durable functionality up to 20 industrial laundering cycles making it potentially suitable for both outdoor and indoor applications. [ABSTRACT FROM AUTHOR]