Glutathione (GSH), a non-protein molecule containing thiol groups affects plant growth and development. In this study, the effects of GSH on Zn-induced corn production were evaluated. Different Zn concentrations (0, 0.2, 1.5, and 3.0 ppm of Zn), with or without 100 µm of N-acetylcysteine (NAC), were arranged as a completely randomized design with 5 replications. Results show that neither NAC nor Zn affects plant height or leaf numbers. The treatment with NAC did not increase Zn-induced relative water content in leaves while enhancing Zn-induced photosynthesis rate (P n ) and photosynthetically active radiation. Zn-induced chlorophyll (Chl) contents and Chl fluorescence (F m ) were increased by the NAC treatment. In addition, corn showed an improve yield and cob length in NAC-treated plants in the presence of Zn. Taken together, this study suggests that NAC might improve some physiological functions to enhance Zn-induced corn production.
Miswak has been used as a tooth cleaning tool for thousands of years throughout the world. Following the introduction of the toothbrush, the usage of miswak is reducing but still exist especially among Muslims. Muslims are still using it as it is part of sunnah and is highly recommended by the Prophet P.B.U.H. Although there are numerous hadiths on the importance of miswak use, there are limited authentic resources on the methods of its usage. The technique of using miswak nowadays might be different from the method recommended in those authentic resources. To investigate the practice of miswak among current users and the miswak practice according to hadiths and Islamic scholars. A cross-sectional descriptive study among miswak users in Sri Petaling, Selangor using purposive sampling. Questionnaires on various aspects of miswak practice as oral hygiene tools were distributed among consented participants. The results were analysed descriptively and compared with miswak practice mentioned in hadiths and scholar’s recommendation. There were 37 subjects participated in the study. Several routines and practices explained in hadiths and Islamic scholars’ recommendations were practised by the participants. The use of miswak prior to ablution and prayer was highly recommended by the Prophet P.B.U.H and was practised by all participants (100%). Half of the participants used miswak upon waking up from sleep (59%) and 76% of them clean their tongue with miswak. All participants use miswak that is not too dry or too wet as suggested by an Islamic scholar. Majority of them (83.8%) cut the miswak stick before they use it and 35% of them soaked the miswak stick before use. Most of the current miswak users are practising the miswak as oral hygiene tool following the guidelines mentioned in hadiths and recommendations by Islamic scholars although there are some parts of miswak practice mentioned in hadiths and scholars’ recommendations were found not to be practised by the subjects and vice versa.
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