Nowadays, a huge amount of digital data is frequently changed among different embedded devices over wireless communication technologies. Data security considered an important parameter for avoiding information loss and preventing cyber-crimes. This research article details the low power high-speed hardware architectures efficient field programmable gate array (FPGA) implementation advanced encryption standard (AES) algorithm to provide security. work does not depend on Look-Up Table (LUTs)...

Restricted migration of reactive species limits chemical transformations within interstellar and cometary ices. We report the CO2 from clathrate hydrate (CH) cages to amorphous solid water (ASW) in presence tetrahydrofuran (THF) under ultrahigh vacuum (UHV) cryogenic conditions. Thermal annealing sequentially deposited H2O ice, CO2@H2O, 90 K resulted partitioning 512 51262 CH (CO2@512, CO2@51262). However, upon preparing a composite ice film composed CO2@512, CO2@51262 THF distributed matrix...

Abstract Defect engineering of metal–organic frameworks (MOFs) is a promising strategy for tailoring the interfacial characteristics between MOFs and polymers, aiming to create high‐performance mixed matrix membranes (MMMs). This study introduces new approach using dual defective alkylamine (AA)‐modulated zeolitic imidazolate framework‐8 (DAZIF‐8), develop high‐flux MMMs. Tributylamine (TBA) triethylamine (TEA) monodentate ligands coordinate with zinc ions in varying compositions. A mixture...

There exist numerous challenges in hydrogen generation, storage, and transportation. Ammonia has been attractive as an efficient carrier by virtue of its high specific density. Designing outstanding catalysts for converting NH3 through the ammonia oxidation reaction (AOR) is significant. Because synergistic effects resulting from interactions between metal support, it believed that support significant improving catalyst's activity. Owing to this, activity small Mn (M = Pt, Ir; n 3, 4)...

We present a catalyst-free route for the reduction of carbon dioxide integrated with formation carbon-carbon bond at air/water interface negatively charged aqueous microdroplets, ambient temperature. The reactions proceed through carbanion generation α-carbon ketone followed by nucleophilic addition to CO

2-Aminobiaryls are privileged scaffolds, and their cogent synthesis diversifications, particularly through the C–H bond activation strategy, a continuous enterprise in organic synthesis. In this realm, capitalizing on susceptible native amine (−NH2) directing group is beneficial but increasingly challenging owing to its innate nucleophilic reactivity. Additionally, reactions of class substrates have traditionally been restricted cross-ring bond, as ortho-C–H functionalization presumably...

Nowadays, Finite Impulse Response (FIR) filters are used to change the attributes of a signal in time or frequency domain. Among FIR filters, reconfigurable filter has advantage changing coefficient real-time, while performing operation. In this paper, Anti-Symmetric Product Coding (APC) and Odd Multiple Storage (OMS) modules utilized implement (RFIR–APC–OMS). Herein, APC–OMS module is reduce area RFIR architecture. The performance RFIR–APC–OMS analyzed terms of: area, power, delay, LUT,...

C-C cross coupling reactions have been widely used for developing synthesis protocols pharmaceuticals and agricultural products in the past few decades. Of all reported reactions, Suzuki-Miyaura reaction is preferred because of its mild conditions, commercial availability associated reagents ease removal boron containing by-products. Recently, Corma co-workers [Leyva-Perez et al., Angew. Chem., 2013, 125, 11768] water-stabilized three- four-atom Pd clusters as highly active catalytic species...

The multimedia applications and mobile communication systems require an efficient reconfigurable finite impulse response (RFIR) filter designs for achieving low area, power, cost, high speed of system operation. In this paper, RFIR is designed based on the Radix-2 algorithm Look-up-table Carry Select Adder (Radix 2 – LCSLA). Generally, controlled by multiplier adder, which improves performances filter. Hence, research work mostly concentrated adder design. Here, radix-2 used instead normal...

Abstract Internet of things (IoTs) is an integration heterogeneous physical devices which are interconnected and communicated over the Internet. The design secure, lightweight effective authentication protocol required, because information transmitted among remote user numerous sensing IoT network. Recently, two-factor (TFA) scheme developed for providing security devices. But, performances network affected due to less memory storage restricted resource IoT. In this paper, data inverting...

Graphene nanosheets have been considered as robust support materials for metal nanoparticles and clusters with prominent applications to heterogeneous catalysis. In this study, by using the density functional theory, we performed a systematic investigation of binding energetics, electronic charge analysis, migratory surface barriers free solvated Pd3 Pd4 over pristine defect-ridden graphene. Intrinsic well extrinsic defects were considered. intrinsic defects, Stone–Wales defect,...

In this work, a 5‐GHz current‐controlled ring oscillator based integer PLL is implemented with spur reduction sampler to reduce the reference spurs. The can have taps each tap sampling oscillator's control voltage at offsets of phase. introduces bandstop notches frequencies where spurs appear. samplers are capable reducing from , by 50 dB, as evident simulation results performed in 28 nm technology.

A novel frequency reconfigurable slotted patch antenna structure is presented here. The slots made on the aperture of are to orient by making their axis as reference either in clockwise or anti-clockwise direction. This orientation distributes surface currents different ways resulting change its resonance frequency. designed operate L-band microwave region. proposed and simulated HFSS software detailed analysis done. Obtained results indicate that there a operating function angle section,...

The earth ionosphere has been a topic of innovation and great discoveries for almost century. Indian low latitude is characterized by large spatial temporal variations [1]. are originated from equatorial electrodynamics that exhibits phenomena like (daytime) ionization anomaly (EIA) night-time scale plasma depletions known as bubbles [2]. Most commercial applications based upon single dual frequency GNSS uses the broadcast message correcting various errors in positioning. In this paper...

Abstract We present a catalyst‐free route for the reduction of carbon dioxide integrated with formation carbon‐carbon bond at air/water interface negatively charged aqueous microdroplets, ambient temperature. The reactions proceed through carbanion generation α‐carbon ketone followed by nucleophilic addition to CO 2 . Online mass spectrometry reveals that product is an β‐ketoacid. Several factors, such as concentration reagents, pressure gas, and distance traveled droplets, control kinetics...

Abstract The integration of wearable Internet Things (IoT) devices with advanced Artificial Intelligence (AI) techniques has significantly transformed human activity analysis (HAA), It enables precise, real-time monitoring diverse physical behaviors. This research delves into the design an efficient and accurate recognition (HAR) system utilizing WISDM dataset. dataset comprises accelerometer gyroscope data collected from during various activities, offering a robust foundation for HAR....

QM/MM analysis of orotate-mimetic inhibitors orotate phosphoribosyltransferase revealed 4-Hydroxy-6-methylpyridin-2(1 H )-one be the best inhibitor among tested ones for inhibition OPRT action.