after its disposal. However‚ paper bags being made from tree pulp is an organic medium‚ which is both environmentally friendly and economical to produce. On the other hand‚ Engro Fertilizer Limited has gone a step further and introduced the use of oxo-biodegradable plastic bags‚ which are both recyclable as well as environmentally friendly on disposal. The people working for and living in these organizations are just as Pakistani
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Enzyme as protein Dr.Samina Haq Quantitative and qualitative test for protein and amino acids • 1. 2. 3. 4. 5. 6. Qualitative test Ninhydrin test Biuret test Xanthoproteic test Millons test Hopkins-cole test Nitroprusside test Quantitative test 1. 2. 3. Spectrophotometric assay Protein shows maximum absorbance at 280nm due to presence of tyrosine and tryptophane. Biuret test shows 540nm Lowry test shows 750nm Ninhydrin Test • Amino acid containing a free
Free Enzyme Amino acid Functional group
acetic acid manufacture in Asia continues but is under pressure from the ongoing establishment of methanol carbonylation technology. Demand has also significantly declined in the production of plasticizer alcohols‚ which has totally switched to oxo processes. As a result of these process replacements‚ acetaldehyde capacity has been shut down in Western Europe and in other areas‚ such as Mexico. In addition to the disappearance of use for acetic acid and plasticizer alcohols‚ acetaldehyde demand
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categories. Premier’s major markets are the United Kingdom’s biggest food retailers‚ wholesalers and convenience stores‚ and food manufacturers. They have a crystal clear defined plan of merging reflected in the recent addition of the premier product like Oxo‚ Batchelors and Homepride. Their expertise passes over in a wide range of food and drink sectors‚ and reputation of their comprehensive range means that they have an annual group turnover of over £900 million. By owning some of the UK’s most recognized
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Levetiracetam is probably a major breakthrough in the treatment of epilepsies. It is a highly effective‚ broad-spectrum‚ one of second generation AED with a unique mechanism of action. Chemical structure: Levetiracetam is a single enantiomer‚ (S)-α-ethyl-2-oxo-pyrrolidine acetamide. Its molecular formula is C8H14N2O2 and its molecular weight is 170.21. It is chemically unrelated to any of the other antiepileptic drugs. It is a white to off-white powder with a faint odor and bitter taste and highly soluble
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Reactions of pyridine Introduction: 1. Pyridine structure: 2. Iupac name: Pyridine‚ other name: Azine & Azabenzene. *Important commercial alkyl pyridinium compound is α - methyl- pyridine (2)‚ βpicoline (3)‚ γ- picoline ( 4 ) ‚ 2‚6 - lutidine ( 5 ) ‚ 3‚5 - dimethyl- pyridine ( 6 ) ethyl-2 - methyl- pyridine ( 7 ) and 2‚4‚6 - collidine ( 8 ) . In general‚ the alkyl -substituted pyridine as many other precursors used in pyridine E-commerce. From these further alkyl substituted pyridine
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Say No TO Plastics:-Not long ago in Cairns a beautiful whale beached itself and sadly the wahle died. When the scientists conducted an autopsy to find out what made it die they found 6aq m – that’s 6 sq m – of plastic bafs inside the whale’s digestive system. The poor thing had beached itself because it was slowly choking on all that man-made plastic – the exact plastic bags we get from Coles‚ Woolies or the mall. Say no to plastic bags. Whales are not the only animals dying from plastic bags
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Lanthanides and Actinides The lanthanides and the actinides make up the f block of the periodic table. The lanthanides are the elements produced as the 4f sub level is filled with electrons and the actinides are formed while filling the 5f sub level Some significant similarities and differences between lanthanides and actinides are observed. The two rows that are generally placed underneath the main periodic table are called the lanthanides series and the actinides series. These two rows are produced
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H20). CYP catalysis substrate binding to the heme site requires a two-electron transfer with NADH-cytochrome P450 oxidoreductase (CPR) to the highly reactive iron-oxo intermediate which promotes oxidation and returns the P450 to a resting state. Most CYP’s can bypass CPR by using a peroxide shunt‚ where single oxygen donors form an iron-oxo intermediate [1]. CYP subfamily IIS‚ polypeptide 1 (CYP2S1) is the one of newest members of the extrahepatic CYP family [9] and is mainly expressed in tissues
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polymer‚ are made using corn or other food crops. These require very specific high-heat aerobic conditions found in municipal composting facilities to break down. These have to be sent to a composting facility to break down‚ and can’t be recycled. Oxo-biodegradable plastic breaks down when exposed to sunlight and heat. These will disintegrate if left outside‚ or littered‚ and can be recycled American Plastic Mfg.’s biodegradable bags are made with an additive from ECM-Biofilms that allows plastic
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