Relativistic R-matrix calculations of photoionization cross sections of Cu XVIII

Singh, A.K.; Dawra, Dishu; Dimri, Mayank; Jha, Alok; Mohan, Man

doi:10.1140/epjd/e2019-90464-x

Cited by 9 publications

(6 citation statements)

References 38 publications

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“…Ketema et al (2008) reported in Jimma town that the range of microbial counts recorded in the fruit juice analyzed were from 3.1 × 10 7 to 6.2 × 10 3 cfu/mL. The total viable bacterial count of all collected fruit juice in this investigation varies from 1.3 × 10 5 to 2.9 × 10 5 cfu/mL; this bacterial count was relatively lower than that of Singh et al (2015) who reported that all samples of street vended fruit juices were found to have bacterial count in the range of 10 5 to 10 8 cfu/ mL. In other studies conducted by Ankur et al (2009), the quantitative analysis of samples for total viable count (TVC) revealed that the range for TVC were between 1.0 × 10 4 to 4.0 × 10 6 cfu/mL.…”

Section: Discussionmentioning

confidence: 48%

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Fufa¹,

Liben²

2018

Afr. J. Microbiol. Res.

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Fresh and unpasteurized fruit juice is common in restaurants, cafeteria, hotels and juice house of Ethiopian cities. Most fruit juices contain sufficient nutrients that could support microbial growth. The current investigation was carried out to investigate the microbiological quality and processing conditions of fruit juice vended in Shewarobit town. Purposive sampling technique was employed to collect sixteen fruit juice samples comprising of eight avocado and eight papaya from five cafeterias and three restaurants of Shewarobit town from November 2017 to January 2018. A wide mouth sterile bottle was used to collect fruit juice. Collected samples were diluted and 0.1 mL inoculated on plate count agar to determine total viable count, on violet red bile agar to determine total coliform count, on mannitol salt agar to determine total Staphylococcal count and on Sabouraud's dextrose agar for count of yeast and molds. Questionnaires were delivered for juice vendors to obtain information on demographic characteristics and conditions for processing. There is no significant statistical difference between numbers of microbial count (p> 0.05). The total viable count was found in the range of 1.3 × 10 5 to 2.9 ×10 5 cfu/ mL. The total coliform count was found to be between 0.1 × 10 5 and 2.4 × 10 5 cfu/mL. Staphylococci count was between 0.2 × 10 5 and 1.7 × 10 5 cfu/mL. The total yeast and mould counts for all fruit juice were in the range of 1.4 × 10 5 to 2.7 × 10 5 cfu/mL. Microbiological quality of most of the fruit juices were found to be not satisfactory when compared with Gulf region standard. Therefore, regular supervision and training about safe processing and handling is very crucial for juice vendors to improve microbiological quality of fruit juice.

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Section: Discussionmentioning

confidence: 48%

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Fufa¹,

Liben²

2018

Afr. J. Microbiol. Res.

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“…RC contains two fluorophores connected with an ether bond: 7-diethylaminocoumarin dye and resorufin both of which possess excellent optical properties and tunable emission. 42 Importantly, the emission spectra of 4thio-modified 7-diethylaminocoumarin (λ em max = 540 nm), 7- The fluorescence of resorufin would be quenched due to the inhibition of its hydroxyl moiety. Besides, the ether bond between resorufin and the coumarin moiety is highly reactive to nucleophilic groups because of the nearby two activated carbonyl groups.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Simultaneous Discrimination of Cysteine, Homocysteine, Glutathione, and H₂S in Living Cells through a Multisignal Combination Strategy

Zhang

Chen

et al. 2018

Anal. Chem.

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Biothiols are essential reactive sulfur species (RSS), which play crucial roles in various critical physiological activities. To clarify their complex correlations in signal transduction and metabolism pathways, methods to distinguish H 2 S, cysteine (Cys), homocysteine (Hcy), and glutathione (GSH) at the same time are highly needed. Herein, we deliberately integrate 7-diethylcoumarin and resorufin through an ether bond to develop RC for simultaneous differentiation of Cys, Hcy, GSH, and H 2 S for the first time. RC displays distinct fluorescence colors in response to H 2 S, Cys, Hcy, and GSH as red, blue-red, bluegreen-red, and green-red, respectively, both in aqueous media and living cells. This work not only reported a robust molecule, RC, to disentangle the intricate interplay networks among different biothiols in biosystems but also demonstrated a strategy for the design of multisignal fluorescent probes for the simultaneous sensing of diverse RSS species as well as other biological species.

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“…Motivated by this strategy, a novel dual-detection fluorescence probe, ACC-SePh, was rationally designed (Scheme C) based on the following considerations: (1) Two coumarin dyes, 7-diethylaminocoumarin and 7-hydroxycoumarin, were chosen as the fluorophores because they displayed excellent photophysical properties. Moreover, their photophysical properties can be easily tuned through delicate modification at appropriate positions . In addition, their emission spectra were well-separated, which enable the detection of GSH and H 2 S n from different emission channels.…”

Section: Resultsmentioning

confidence: 99%

“…Moreover, their photophysical properties can be easily tuned through delicate modification at appropriate positions. 36 In addition, their emission spectra were well-separated, which enable the detection of GSH and H 2 S n from different emission channels.…”

Section: Analytical Chemistrymentioning

confidence: 99%

Simultaneous Detection of Glutathione and Hydrogen Polysulfides from Different Emission Channels

et al. 2017

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Glutathione (GSH) and hydrogen polysulfides (HS) play crucial roles in many physiological processes. To unravel the complicated interrelationship and cellular cross-talk between GSH and HS, the development of single-molecule fluorescent probes that can selectively sense GSH and HS simultaneously from different emission channels is highly desirable. In this report, we have developed the first dual-detection fluorescent probe, ACC-SePh, which responded to GSH with green fluorescence emission, whereas it reacted with HS and emitted blue fluorescence. The probe exhibited excellent selectivity and sensitivity toward GSH and HS over other common reactive sulfur species, such as Cys, Hcy and HS. Importantly, we also demonstrated that ACC-SePh can be used for dual-channel imaging of endogenous GSH and HS in living RAW264.7 cells.

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Relativistic R-matrix calculations of photoionization cross sections of Cu XVIII

Cited by 9 publications

References 38 publications

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Simultaneous Discrimination of Cysteine, Homocysteine, Glutathione, and H₂S in Living Cells through a Multisignal Combination Strategy

Simultaneous Detection of Glutathione and Hydrogen Polysulfides from Different Emission Channels

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Relativistic R-matrix calculations of photoionization cross sections of Cu XVIII

Cited by 9 publications

References 38 publications

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Microbiological quality of fruit juices sold in cafes and restaurants of Shewarobit town, Amhara, Ethiopia

Simultaneous Discrimination of Cysteine, Homocysteine, Glutathione, and H2S in Living Cells through a Multisignal Combination Strategy

Simultaneous Detection of Glutathione and Hydrogen Polysulfides from Different Emission Channels

Contact Info

Product

Resources

About

Simultaneous Discrimination of Cysteine, Homocysteine, Glutathione, and H₂S in Living Cells through a Multisignal Combination Strategy