Ultrasonic-Assisted Synthesis of Two t-Butoxycarbonylamino Cephalosporin Intermediates on SiO2 by Feng Xue, Yibin Wei, Shengui Ju, Weihong Xing

“…By SiO2 as weak Lewis acid catalyst, 4-methoxybenzyl 7β-t-butoxycarbonylamino-3-chloromethyl-3-cephem-carboxylate (Boc-ACLE) and benzhydryl 7β-t-butoxycarbonylamino-3-chloromethyl-3-cephem-4-carboxylate (Boc-ACLH) were successfully synthesized through the efficient protection of the N-t-butoxycarbonyl (N-Boc), and the reactions occurred at low temperature requiring short reaction times and exhibiting excellent isolated yields (96% and 96.2%, resp.). …”
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Determination of Lead in Saudi Arabian Imported Green Tea by ICP-MS by Ahmed Othman, Seham Al-Ansi, Mohammed Al-Tufail

“…Tea infusion and microwave acid digestion procedures are used for sample pre-treatment. …”
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A Novel Audio Cryptosystem Using Chaotic Maps and DNA Encoding by S. J. Sheela, K. V. Suresh, Deepaknath Tandur

“…Chaotic maps have good potential in security applications due to their inherent characteristics relevant to cryptography. …”
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Theoretical Approach by DFT in the characterization of the Zn(II) Benzoate by Patrícia Saraiva Vilas Boas de Almeida, Vitor da Cunha Baia, José Roberto da Silveira Maia, Elson Santiago de Alvarenga

“… The condensation reaction between aminoguanidine bicarbonate and benzoic acid produced 1,2,4-triazole which, after reaction with zinc(II) chloride, led to the formation of a complex, Zn(II)-1,2,4-triazole. …”
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Synthesis and Neuropharmacological Evaluation of Some Novel Quinoxaline 2, 3-Dione Derivatives by Selvaraj Jubie, Rajamanickam Gayathri, Rajagopal Kalirajan

“…Quinoxaline-2, 3-dione obtained from cyclocondensation reaction of o-phenylene diamine with oxalic acid was reacted with three different ketones and formaldehyde to give the corresponding Mannich bases in satisfactory yield. …”
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Determination of residual strain in steel wire cord by chemical method by N. A. Zmeeva

Subjects: “…metal wire cord…”
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Microstructures and Electrochemical Behavior of Ti-Mo Alloys for Biomaterials by Back-Sub Sung, Tae-Eon Park, Young-Hoon Yun

“…No ion release was detected in SBF (simulated body fluid) solution, while Ti ions were released in 0.1% lactic acid ranging from 0.05 to 0.12 μg/mL for the Ti-Mo alloys. …”
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Antiviral Activity of Resveratrol against Human and Animal Viruses by Yusuf Abba, Hasliza Hassim, Hazilawati Hamzah, Mohamed Mustapha Noordin

“…This review highlights the antiviral mechanisms of resveratrol in human and animal viral infections and how some of these effects are associated with the antioxidant properties of the compound.…”
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PHILOSOPHICAL EXPLORATION OF PANDEMIC EPISTEMOLOGY by Imam Wahyudi, Rangga Kala Mahaswa

“…The Covid-19 pandemic has significantly shifted people’s behavior in various aspects of life. …”
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Curcumin phytosomal softgel formulation: Development, optimization and physicochemical characterization by Allam Ahmed N., Komeil Ibrahim A., Abdallah Ossama Y.

“…Thirteen different softgel formulations were developed using oils such as Miglyol 812, castor oil and oleic acid, a hydrophilic vehicle such as PEG 400 and bioactive surfactants such as Cremophor EL and KLS P 124. …”
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The controversies of parabens – an overview nowadays by Petric Zvonimir, Ružić Julia, Žuntar Irena

“…Parabens are aliphatic esters of p-hydroxybenzoic acid, which are widely used as antimicrobial agents for the preservation of cosmetics, pharmaceuticals and foods. …”
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COEVOLUTION IN «A PREDATOR–PREY» SYSTEM: AN ECOGENETIC MODEL by Yu. S.

“…The preys in this case, seeking to avoid the impact of predators by altering their adaptive traits. …”
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Low Mismatch Key Agreement Based on Wavelet-Transform Trend and Fuzzy Vault in Body Area Network by Yang Wu, Yongmei Sun, Lei Zhan, Yuefeng Ji

“…Body area network (BAN) is an emerging branch of wireless sensor networks for personalized applications in many fields, such as health monitoring. …”
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Genetic Cholestasis: Lessons from the Molecular Physiology of Bile Formation by Peter LM Jansen, Michael Müller

“…Defects of bile acid synthesis may be difficult to differentiate from these transport defects.Intrahepatic cholestasis of pregnancy (ICP) appears to be related to these cholestatic diseases. …”
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US and CT of 2 pediatric cases of self-inflicted pneumoparotid and cervicofacial emphysema by François Chalard, MD, Méryle Laurent, MD, Eugénie Barras, MD, Seema Toso, MD

“…Pneumoparotid is a rare cause of parotid swelling characterized by the presence of air in the Stensen's duct and/or the parotid gland. …”
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Bearing Behavior of the Fly Ash Deposits on Expressway by Chun-yu Cui, Shu-jian Wang, Wei Cui, Xiao Zheng

“…Fly ash also has the engineering properties of high void ratio and low cohesion. The maximum level of compaction of the fly ash deposits can be 93% and the bear capacity can be about twice over before after the treatment.…”
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The Social Construction of Transgenic Corn: Relevant Social Actors in Chihuahua by Marco Antonio Fernández Nava

“…To do this, it is necessary to overcome and avoid determinist positions, be they social or technological. …”
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A Study on the Effects of Plastic Waste Strips and Lime on Strength Characteristics of Expansive Soil by Shelema Amena, Dekebi Chakeri

“…This volume change causes huge destruction to many infrastructures. To avoid such damages, expansive soils should be well treated so that they become safe against bearing capacity failure and excessive settlement. …”
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Parties in the digital jungle by I. A. Lavrov

“…Prensky’s term) are gaining the right to vote in elections. This fact cannot avoid political parties, which are beginning to adapt the use of social media to their own informational and campaigning needs. …”
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Grazing lambs on pastures regrown after wildfires did not significantly alter metal content in meat and wool by S Depenbrock, J Lane, M Asrat, R Poppenga, S Hargrave, B McNabb, V Eviner, M Chigerwe

“…Copper concentrations found in the meat of animals grazing regrowth was lower than in animals grazing unburned pastures; it is important to monitor copper concentrations in grazing animals to avoid diseases associated with copper deficiency.…”
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