Now-a-days air pollution is one of the most important concern of the world. Air pollution may evolve from anthropogenic or natural sources. Air pollutants of atmospheric substances like CO, CO 2 , SO 2, NO 2 , and O 3 suspended particulate matter (SPM), repairable suspended particulate matter (RSPM), and volatile organic compounds (VOCs) have a great effect on the people health. Most of the major cities in developing countries and most cities of the developed countries are suffering from it. Thus to develop a real time air quality and pollution monitoring system is critical. We have developed an arduino based air pollution detector which combined a small-sized, minimum-cost sensor to an arduino microcontroller unit. The advantages of the detector, have a reliable stability, rapid response recovery and long-life features. It is affordable, user-friendly, low-cost and minimum-power requirement hardware which is appropriate for mobile measurement, as well as comprehensible data collection. It has a processing software able to analyze, collected quality data with high precision. Simple instrument which can be commercially utilized.
Tea is one of the most popular and oldest beverages available in many varieties and the use of different flavoring ingredients is becoming more common. The present study aimed to examine tea consumption behavior during the COVID-19 pandemic and analyzed the bioactive compounds of tea flavoring ingredients. At first, a cross-sectional study was carried out with 140 randomly selected participants to determine tea consumption patterns and data was collected through face-to-face interviews. Then 2,2-diphenyl-1-picrylhydrazyl (DPPH) test, the Folin-Ciocalteu technique, and the quercetin method were used to assess antioxidant activity, total phenolic content (TPC), and total flavonoid content (TFC) of tea flavoring ingredients. The study found that 57.86% of the participants increased their tea consumption during the COVID-19 pandemic, whereas 22.80% increased their tea consumption by at least one more cup per day. It was also found that ginger was the most popular (29.5%) among fifteen tea flavoring agents. By analyzing tea flavoring ingredients, the maximum antioxidant activity found in cinnamon was 87%, and lemon leaves had the lowest, which was 60%. On a dry weight basis, the TPC of the tea flavoring components ranged from 36.52 mg GAE/g for cloves to 9.62 mg GAE/g for ginger. The maximum TFC was also found in clove with 13.68 mg QE/g, and moringa was the second highest with 12.26 mg GAE/g. The antioxidant activity of flavoring compounds has a significant correlation (p<0.05) with TPC and TFC. Overall, tea consumption behavior with tea flavoring ingredients increased during the COVID-19 pandemic situation. Tea with flavoring ingredients may be one of the best dietary sources of antioxidants, TPC, and TFC which are important for strengthening the immune system and controlling different physiological and metabolic disorders.
Man is a social being by nature. He cannot live perpetually on his own completely independent of others. People are independent. Consequently, fiction arises between them when their personal interests come into conflict with each other, or when what they perceive as their individual rights infringe upon those of others. Conflict between them inevitably break out. In some cases, one party to the conflict might be strong and aggressive while the other is weak and condescending, incapable of defending his rights. Because of this, it becomes necessary for there to be a way to prevent people from oppressing one another, to ensure that the weaker members of society receive justice, and to determine right from wrong when issues get complicated or uncertain. This can only be realized through a judge that has the power to give legal verdicts in case of dispute. For this reason, we find that the existence of a judge is considered by Islamic law and the laws of all the other revealed religions to be both a religious obligation and a necessity of human life. The Islamic laws that confirmed the will of God can ensure justice for humanity, which is absolutely impossible by secular and man-made law. Allah says: The command (or the judgment) is for none but Allah” (Quranul karim, Sura Yousuf, 12:40)1 There has been some propaganda by the western society that punishment in Islamic penal code is one kind of cruelty for humanity, such comment to make because of their ignorance about Islamic Law. Islam- the religion that God wants for mankind from the time that HE sent Muhammad, may the mercy and blessings of God be upon him until the Day of Judgment-shows great concern for the judicial system and those appointed to carry out its responsibilities. Islam prescribes for it many legal injunctions. How else could it be, when Islam is the religion of mercy, equality, and justice? It is the religion that comes to free people from worshipping creation and bring them to the worship of God. It is the religion that comes to remove people from oppression and inequity and bring them to the highest degree of justice and freedom.
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