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Updated: Jan 22, 2026
Caffeine Extraction, Enzymatic Activity and Gene Expression of Caffeine Synthase from Plant Cell Suspensions
Published on: October 2, 2018
Caffeinated Alcoholic Beverages and Intimate Partner Violence Victimization
Cory A Crane1,2, Robert C Schlauch3, Kathleen E Miller4
1Department of Biomedical Sciences, Rochester Institute of Technology, Rochester, New York.
Abstract:
Caffeinated alcoholic beverage (CAB) use is associated with general victimization beyond the use of alcohol alone. No prior research has evaluated the association between CAB use and intimate partner violence (IPV) victimization. This study evaluated the CAB-IPV victimization relationship using the responses of 100 (40 female) respondents to an online survey. Results of logistic regression analyses indicated that CAB use was associated with IPV physical and sexual victimization after adjusting for demographics and heavy alcohol use. Exploratory analyses detected little evidence of sex differences in the strength of the relationship between CAB use and IPV victimization. The current results provide initial evidence that CAB use may place males and females at greater risk of IPV victimization.
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02:37Oxidation of Alcohols
The process of oxidation in a chemical reaction is observed in any of the three forms:
02:29Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.
02:31Protection of Alcohols
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
01:38Preparation of Alcohols via Substitution Reactions
Alcohols can be synthesized from alkyl halides via nucleophilic substitution reactions. The highly polar carbon-halogen bond in the substrate makes halide a good leaving group. The hydroxide ion or water can act as a nucleophile to take the place of halide and form an alcohol. The substitution reactions occur via two different reaction pathways, SN1 or SN2, depending on the nature of carbon attached to the halide.
Primary alcohols are synthesized from primary alkyl halides, and the...
01:17Esters to Alcohols: Hydride Reductions
Lithium aluminum hydride is a source of hydride ions and functions as a nucleophile. The mechanism proceeds in three steps. Firstly, the nucleophilic hydride ion attacks the carbonyl carbon of the ester to form a tetrahedral intermediate. Subsequently, the carbonyl group re-forms,...
01:08Esters to Alcohols: Grignard Reaction
The reaction requires two equivalents of the Grignard reagent and introduces two identical alkyl groups, derived from the Grignard reagent, bonded to the hydroxyl-bearing carbon of the alcohol.
The reaction follows the typical nucleophilic acyl substitution mechanism. The Grignard...