Abstract The aim of this experiment was to determine which of the samples of vinegar if any had been watered down‚ to complete this task a sample of commercial vinegar was tested twice using titration and an average was taken of the two samples to give a base line to compare the potentially tampered samples against. Introduction Vinegar is a solution made from the fermentation of ethanol (CH3CH2OH)‚ which in turn was previously fermented from sugar. The fermentation of ethanol results in the production
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phenol Alcohols with the hydroxyl bound directly to an aromatic (benzene) ring are called phenols. Nomenclature of Alcohols (Normally any compound’s name which ends in –ol is an alcohol of some sort) IUPAC rules that: (1) Name the longest carbon chain bearing the –OH group. Drop the last –e from the alkane name and add –ol to obtain the root name. (2) Number the longest chain starting at the end nearest the –OH group‚ and designate a number for the –OH group. (Hydroxyl has greater priority
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Photocatalytic degradation of methylene blue using TiO2 nanoparticles Nupur Mittal Chemical Engineering‚ IIT (BHU) Varanasi. Abstract: The aim of this research is to reduce the pollution caused by methylene blue dye in waste water coming from textile industries. For this purpose‚ TiO2 nanoparticles are made as they show good photocatalytic activity in degradation of dyes into harmless products. Synthesis is done using titanium butoxide and 2-propanol. The particles formed were a little larger
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is replaced by a hydroxyl group. Serine is one of two hydroxyl amino acids. Both are commonly considered to by hydrophilic due to the hydrogen bonding capacity of the hydroxyl group. Threonine‚ an essential amino acid‚ is a hydrophilic molecule. Threonine is an other hydroxyl-containing amino acid. It differs from serine by having a methyl substituent in place of one of the hydrogens on the β carbon and it differs from valine by replacement of a methyl substituent with a hydroxyl group. Note that
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ESTER WATER The symbol R refers to the hydrocarbon portion (radical) of the molecules aside from the O functional group. In an organic acid‚ R – C – OH‚ the functional group is the carboxyl O group (-COOH) or –C-OH. The type of formula for an alcohol is R-OH‚ where the functional group is the hydroxyl group (-OH). The symbol R’ indicates that the two R-groups in the ester formula need not be the same. It
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Inhibitory activities of rubrofusarin and its derivatives against AChE‚ BChE and BACE1 In order to evaluate the anti-AD potential of the isolated rubrofusarin and its four derivatives‚ we evaluated their abilities to inhibit AChE‚ BChE and BACE1. Results are summarized in Table 1. Of the derivatives‚ 3 showed most potent activity against AChE with an IC50 of 15.94 ± 0.32 µM whereas 2 had least inhibitory activity (148.08 ± 2.09 µM). 4 and 5 exhibited moderate inhibition with IC50 value of 86.05 ±
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beginning to take into account in recent years‚ as they are discovering its health benefits‚ some of them and the most outstanding are protection against cancer since they act in the detoxification of drugs‚ toxins‚ carcinogens and mutagens as blockers or suppressors‚ neutralize free radicals‚ inhibit enzymes that activate carcinogens and induce detoxifying enzymes thereof. And cardiovascular protection since they prevent the oxidation of LDL‚ reduce the synthesis and use of cholesterol and blood pressure and affect coagulation‚ some
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Budesonide Structure: Chemical Formula : C25H34O6 Molecular Weight : 430.534 g/mol IUPAC : 16‚17-(butylidenebis(oxy))-11‚21-dihydroxy-‚ (11-β‚16-α)-pregna-1‚4-diene-3‚20-dione Description : Budesonide is a glucocorticoid used in the management of asthma‚ the treatment of various skin disorders‚ and allergic rhinitis. [PubChem] The extended release oral tablet‚ marketed as Uceris‚ was FDA approved on January 14‚ 2013 for the management of ulcerative colitis. Budesonide is provided as a mixture
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into two stages: metabolic (i.e.‚ hepatic) freedom and the Phase I and Phase II process. The division is in view of the perception that a medication substance first experiences oxidative assault (e.g.‚ benzene to phenol)‚ and the recently presented hydroxyl capacity will experience glucouronidation (e.g.‚ phenol to phenyl glucouronic corrosive). A few metabolites are framed as debasements amid the improvement of a procedure. Control of these procedure related metabolite debasements in the last API may
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In chemistry‚ an alcohol is an organic compound in which the hydroxyl functional group (-OH) is bound to a carbon atom. In particular‚ this carbon center should be saturated‚ having single bonds to three other atoms.[1] An important class of alcohols are the simple acyclic alcohols‚ the general formula for which is CnH2n+1OH. Of those‚ ethanol (C2H5OH) is the type of alcohol found in alcoholic beverages‚ and in common speech the word alcohol refers specifically to ethanol. Other alcohols are usually
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