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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
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Production of gold nanoparticles by Streptomyces djakartensis isolate B-5
Abstract
Objective(s):
Biosynthesis of gold nanoparticles (NGPs) is environmentally safer than chemical and physical procedures. This method requires no use of toxic solvents and synthesis of dangerous products and is environmentally safe. In this study, we report the biosynthesis of NGPs using Streptomyces djakartensis
isolate B-5.
Materials and Methods:
NGPs were biosynthesized by reducing aqueous gold chloride solution via a Streptomyces isolate without the need for any additive for protecting nanoparticles from aggregation. We characterized the responsible Streptomycete; its genome DNA was isolated, purified and 16S rRNA was amplified by PCR. The amplified isolate was sequenced; using the BLAST search tool from NCBI, the microorganism was identified to species level.
Results:
Treating chloroauric acid solutions with this bacterium resulted in reduction of gold ions and formation of stable NGPs. TEM and SEM electro micrographs of NGPs indicated size range from 2- 25 nm with average of 9.09 nm produced intracellular by the bacterium. SEM electro micrographs revealed morphology of spores and mycelia. The amplified PCR fragment of 16S rRNA gene was cloned and sequenced from both sides; it consisted of 741 nucleotides. According to NCBI GenBank, the bacterium had 97.1% homology with Streptomyces djakartensis strain RT-49. The GenBank accession number for partial 16S rRNA gene was recorded as JX162550.
Conclusion:
Optimized application of such findings may create applications of Streptomycetes for use as bio-factories in eco-friendly production of NGPs to serve in demanding industries and related biomedical areas. Research in this area should also focus on the unlocking the full mechanism of NGPs biosynthesis by Streptomycetes.
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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
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Production of gold nanoparticles by Streptomyces djakartensis isolate B-5
Abstract
Objective(s):
Biosynthesis of gold nanoparticles (NGPs) is environmentally safer than chemical and physical procedures. This method requires no use of toxic solvents and synthesis of dangerous products and is environmentally safe. In this study, we report the biosynthesis of NGPs using Streptomyces djakartensis
isolate B-5.
Materials and Methods:
NGPs were biosynthesized by reducing aqueous gold chloride solution via a Streptomyces isolate without the need for any additive for protecting nanoparticles from aggregation. We characterized the responsible Streptomycete; its genome DNA was isolated, purified and 16S rRNA was amplified by PCR. The amplified isolate was sequenced; using the BLAST search tool from NCBI, the microorganism was identified to species level.
Results:
Treating chloroauric acid solutions with this bacterium resulted in reduction of gold ions and formation of stable NGPs. TEM and SEM electro micrographs of NGPs indicated size range from 2- 25 nm with average of 9.09 nm produced intracellular by the bacterium. SEM electro micrographs revealed morphology of spores and mycelia. The amplified PCR fragment of 16S rRNA gene was cloned and sequenced from both sides; it consisted of 741 nucleotides. According to NCBI GenBank, the bacterium had 97.1% homology with Streptomyces djakartensis strain RT-49. The GenBank accession number for partial 16S rRNA gene was recorded as JX162550.
Conclusion:
Optimized application of such findings may create applications of Streptomycetes for use as bio-factories in eco-friendly production of NGPs to serve in demanding industries and related biomedical areas. Research in this area should also focus on the unlocking the full mechanism of NGPs biosynthesis by Streptomycetes.
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1. Community Based Performance Monitoring (CBPM), also known as Citizen Voice and Action (CVA), is a social accountability approach that was first piloted in Malawi and later developed by the World Bank.
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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
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Power sector in nigeria
Electricity generation in Nigeria started in 1896 although it was not until 1929 that the first utility company, the Nigerian Electricity Supply Company was established.
In the 1950s and 1960s the Nigerian government created the Electricity Corporation of Nigeria to control all existing diesel/coal fired isolated power plants across the country and the Niger Dams Authority to develop hydroelectric power in Nigeria. These two entities were amalgamated into the National Electric Power Authority in 1972.
By the late 1990s it became clear that the publicly owned and operated electricity system was failing to meet Nigeria’s power needs. The National Electric Power Policy of 2001 set the go-forward framework for power reform in Nigeria, leading to the National Electric Power Policy and thus the NIPP.
The players in the Nigerian electricity market are often referred to as market participants. In order to carry on business as a market participant, it is imperative that such entity(ies) obtain the appropriate licence from the Nigerian Electricity Regulatory Commission (NERC).
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Distribution Licence.
Transmission Licence.
System Operation Licence.
Trading Licence.
A generation licence authorises the licensee to construct, own, operate and maintain a generation station for purposes of generation and supply of electricity in accordance with the Electric Power Sector Reform Act, 2005. Subject to this Act, the holder ofa generation licence may sell power or ancillary services to any of the classes of persons specified in the licence. An electricity generation licence is needed for any power generation activity beyond 1MW.
A transmission licence authorises the licencee to carry on grid construction, operation, and maintenance of transmission system within Nigeria, or that connect Nigeria with a neighbouring jurisdiction limited to, the following activities as may be specified in the licence.
A trading license authorizes the licencee to engage in the purchasing, selling, and trading of electricity. The Commission (NERC) determines the terms and conditions of trading licences as may be appropriate in the circumstances.The Commission may also issue temporary bulk purchase and resale licence, giving the licensee, the ability to purchase electrical power and ancillary services from independent power producers and successor generation companies for the purpose of re-sale to one or more other licensees, or to an eligible customer. Example of a licensed trading entity in Nigeria is the NBET.
This is the Government administrative arm that deals with policy formulation and provides general direction to other agencies involved in the power sector.
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Power sector in nigeria
Electricity generation in Nigeria started in 1896 although it was not until 1929 that the first utility company, the Nigerian Electricity Supply Company was established.
In the 1950s and 1960s the Nigerian government created the Electricity Corporation of Nigeria to control all existing diesel/coal fired isolated power plants across the country and the Niger Dams Authority to develop hydroelectric power in Nigeria. These two entities were amalgamated into the National Electric Power Authority in 1972.
By the late 1990s it became clear that the publicly owned and operated electricity system was failing to meet Nigeria’s power needs. The National Electric Power Policy of 2001 set the go-forward framework for power reform in Nigeria, leading to the National Electric Power Policy and thus the NIPP.
The players in the Nigerian electricity market are often referred to as market participants. In order to carry on business as a market participant, it is imperative that such entity(ies) obtain the appropriate licence from the Nigerian Electricity Regulatory Commission (NERC).
Electricity Generation Licence.
Distribution Licence.
Transmission Licence.
System Operation Licence.
Trading Licence.
A generation licence authorises the licensee to construct, own, operate and maintain a generation station for purposes of generation and supply of electricity in accordance with the Electric Power Sector Reform Act, 2005. Subject to this Act, the holder ofa generation licence may sell power or ancillary services to any of the classes of persons specified in the licence. An electricity generation licence is needed for any power generation activity beyond 1MW.
A transmission licence authorises the licencee to carry on grid construction, operation, and maintenance of transmission system within Nigeria, or that connect Nigeria with a neighbouring jurisdiction limited to, the following activities as may be specified in the licence.
A trading license authorizes the licencee to engage in the purchasing, selling, and trading of electricity. The Commission (NERC) determines the terms and conditions of trading licences as may be appropriate in the circumstances.The Commission may also issue temporary bulk purchase and resale licence, giving the licensee, the ability to purchase electrical power and ancillary services from independent power producers and successor generation companies for the purpose of re-sale to one or more other licensees, or to an eligible customer. Example of a licensed trading entity in Nigeria is the NBET.
This is the Government administrative arm that deals with policy formulation and provides general direction to other agencies involved in the power sector.
The key function of the Ministry is to develop and facilitate the implementation of policies for the provision of adequate and reliable power supply in the country.
Wireless power transmission
The document summarizes wireless power transmission, beginning with its inventor Nikola Tesla in the 1890s. It describes various methods of wireless power including short, medium, and long-range transmission as well as transmission through microwaves from satellites. The three main components are microwave transmitters, transmitting antennas, and rectennas, which convert microwave energy to electricity. While wireless power transmission could power devices like cell phones, challenges remain regarding antenna size. Advantages include eliminating power lines and facilitating global power interconnection, while disadvantages include high costs and safety/weaponization risks.
Science & superstition
This presentation discusses several common Hindu superstitions in India and attempts to provide logical explanations for their origins. It explains that throwing coins in wells and rivers was originally done to increase copper intake for health benefits. Using lemon and chili is argued to have stemmed from their vitamin content and health properties. The practice of plastering floors with cow dung likely began as a way to repel insects without commercial disinfectants. Hanging a horseshoe is traced back to beliefs about the magical properties of iron and its crescent shape. Overall, many superstitions are said to have begun as practical traditions that over time became rituals followed out of habit rather than their original purpose.
Keitä ovat tulevaisuuden muuttajat?
Esitys on pidetty Asuntosijoittaja 2016 -seminaarissa Clarion -hotellissa Helsingissä. Esitys keskittyy alueiden vetovoimatekijöihin ja tulevaisuuden muuttajiin. Muuttajat on profiloitu neljään luokkaan: nuoret ja nuoret aikuiset, osaajat, maahanmuuttajat ja seniorit
The Madhhab of Ahl ul-Hadeeth in Fiqh
This document provides an introduction to the Madhhab of Ahl ul-Hadeeth in Fiqh. It discusses how the Madhhab developed separately from other schools of fiqh. It notes that during the time of the Sahabah and early centuries, all Muslims adhered to Ahl ul-Hadeeth. It outlines some distinguishing characteristics of Ahl ul-Hadeeth, such as rejecting taqleed and preferring the Quran and hadith over opinion. The document also distinguishes Ahl ul-Hadeeth from the Dhahiri madhhab.