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  1. Article ; Online: Advancements in CRISPR-Based Biosensing for Next-Gen Point of Care Diagnostic Application.

    Kumaran, Akash / Jude Serpes, Nathan / Gupta, Tisha / James, Abija / Sharma, Avinash / Kumar, Deepak / Nagraik, Rupak / Kumar, Vaneet / Pandey, Sadanand

    Biosensors

    2023  Volume 13, Issue 2

    Abstract: With the move of molecular tests from diagnostic labs to on-site testing becoming more common, there is a sudden rise in demand for nucleic acid-based diagnostic tools that are selective, sensitive, flexible to terrain changes, and cost-effective to ... ...

    Abstract With the move of molecular tests from diagnostic labs to on-site testing becoming more common, there is a sudden rise in demand for nucleic acid-based diagnostic tools that are selective, sensitive, flexible to terrain changes, and cost-effective to assist in point-of-care systems for large-scale screening and to be used in remote locations in cases of outbreaks and pandemics. CRISPR-based biosensors comprise a promising new approach to nucleic acid detection, which uses Cas effector proteins (Cas9, Cas12, and Cas13) as extremely specialized identification components that may be used in conjunction with a variety of readout approaches (such as fluorescence, colorimetry, potentiometry, lateral flow assay, etc.) for onsite analysis. In this review, we cover some technical aspects of integrating the CRISPR Cas system with traditional biosensing readout methods and amplification technologies such as polymerase chain reaction (PCR), loop-mediated isothermal amplification (LAMP), and recombinase polymerase amplification (RPA) and continue to elaborate on the prospects of the developed biosensor in the detection of some major viral and bacterial diseases. Within the scope of this article, we also discuss the recent COVID pandemic and the numerous CRISPR biosensors that have undergone development since its advent. Finally, we discuss some challenges and future prospects of CRISPR Cas systems in point-of-care testing.
    MeSH term(s) Humans ; Point-of-Care Systems ; COVID-19 ; Point-of-Care Testing ; Biological Assay ; Biosensing Techniques ; Nucleic Acids ; Nucleic Acid Amplification Techniques ; COVID-19 Testing
    Chemical Substances Nucleic Acids
    Language English
    Publishing date 2023-01-29
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2662125-3
    ISSN 2079-6374 ; 2079-6374
    ISSN (online) 2079-6374
    ISSN 2079-6374
    DOI 10.3390/bios13020202
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The expanding role of mass spectrometry in the field of vaccine development.

    Sharma, Vaneet Kumar / Sharma, Ity / Glick, James

    Mass spectrometry reviews

    2018  Volume 39, Issue 1-2, Page(s) 83–104

    Abstract: Biological mass spectrometry has evolved as a core analytical technology in the last decade mainly because of its unparalleled ability to perform qualitative as well as quantitative profiling of enormously complex biological samples with high mass ... ...

    Abstract Biological mass spectrometry has evolved as a core analytical technology in the last decade mainly because of its unparalleled ability to perform qualitative as well as quantitative profiling of enormously complex biological samples with high mass accuracy, sensitivity, selectivity and specificity. Mass spectrometry-based techniques are also routinely used to assess glycosylation and other post-translational modifications, disulfide bond linkage, and scrambling as well as for the detection of host cell protein contaminants in the field of biopharmaceuticals. The role of mass spectrometry in vaccine development has been very limited but is now expanding as the landscape of global vaccine development is shifting towards the development of recombinant vaccines. In this review, the role of mass spectrometry in vaccine development is presented, some of the ongoing efforts to develop vaccines for diseases with global unmet medical need are discussed and the regulatory challenges of implementing mass spectrometry techniques in a quality control laboratory setting are highlighted.
    MeSH term(s) Animals ; Glycopeptides/analysis ; Glycoproteins/chemistry ; Glycosylation ; Humans ; Mass Spectrometry/instrumentation ; Mass Spectrometry/methods ; Protein Processing, Post-Translational ; Proteins/chemistry ; Vaccines/chemistry
    Chemical Substances Glycopeptides ; Glycoproteins ; Proteins ; Vaccines
    Keywords covid19
    Language English
    Publishing date 2018-05-31
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S. ; Review
    ZDB-ID 1491946-1
    ISSN 1098-2787 ; 0277-7037
    ISSN (online) 1098-2787
    ISSN 0277-7037
    DOI 10.1002/mas.21571
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Impact of the Timing of Percutaneous Catheter Drainage Following Endoscopic Drainage on Outcomes in Acute Necrotizing Pancreatitis

    Bhatia, Harsimran / Vermani, Sanya / Gupta, Pankaj / Farook, Shameema / Kumar, Abhishek / Johnson, Joseph / Shah, Jimil / Singh, Anupam / Jearth, Vaneet / Samanta, Jayanta / Mandavdhare, Harshal / Sharma, Vishal / Sinha, Saroj K. / Dutta, Usha / Kocchar, Rakesh

    Indian Journal of Radiology and Imaging

    2024  

    Abstract: Background: The role of dual-modality drainage of walled-off necrosis (WON) in patients with acute pancreatitis (AP) is established. However, there are no data on the association of clinical outcomes with the timing of percutaneous catheter drainage ( ... ...

    Abstract Background: The role of dual-modality drainage of walled-off necrosis (WON) in patients with acute pancreatitis (AP) is established. However, there are no data on the association of clinical outcomes with the timing of percutaneous catheter drainage (PCD). We investigated the impact of the timing of PCD following endoscopic drainage of WON on clinical outcomes in AP.
    Materials and Methods: This retrospective study comprised consecutive patients with necrotizing AP who underwent endoscopic cystogastrostomy (CG) of WON followed by PCD between September 2018 and March 2023. Based on endoscopic CG to PCD interval, patients were divided into groups (≤ and >3 days, ≤ and >1 week, ≤ and >10 days, and ≤ and >2 weeks). Baseline characteristics and indications of CG and PCD were recorded. Clinical outcomes were compared between the groups, including length of hospitalization, length of intensive care unit stay, need for surgical necrosectomy, and death during hospitalization.
    Results: Thirty patients (mean age ± standard deviation, 35.5 ± 12.7 years) were evaluated. The mean CG to PCD interval was 11.2 ± 7.5 days. There were no significant differences in baseline characteristics and indications of CG and PCD between the groups. The mean pain to CG interval was not significantly different between the groups. Endoscopic necrosectomy was performed in a significantly greater proportion of patients undergoing CG after 10 days ( p  = 0.003) and after 2 weeks ( p  = 0.032). There were no significant differences in the complications and clinical outcomes between the groups.
    Conclusion: The timing of PCD following endoscopic CG does not affect clinical outcomes.
    Keywords acute pancreatitis ; collections ; drainage ; endoscopy ; catheter
    Language English
    Publishing date 2024-01-31
    Publisher Thieme Medical and Scientific Publishers Pvt. Ltd.
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 605869-3
    ISSN 1998-3808 ; 0971-3026 ; 0970-2016
    ISSN (online) 1998-3808
    ISSN 0971-3026 ; 0970-2016
    DOI 10.1055/s-0044-1779303
    Database Thieme publisher's database

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  4. Article ; Online: Guidelines on optimizing the use of proton pump inhibitors: PPI stewardship.

    Dutta, Amit Kumar / Jain, Abhinav / Jearth, Vaneet / Mahajan, Ramit / Panigrahi, Manas Kumar / Sharma, Vishal / Goenka, Mahesh Kumar / Kochhar, Rakesh / Makharia, Govind / Reddy, Duvvur Nageshwar / Kirubakaran, Richard / Ahuja, Vineet / Berry, Neha / Bhat, Naresh / Dutta, Usha / Ghoshal, Uday Chand / Jain, Ajay / Jalihal, Umesh / Jayanthi, V /
    Kumar, Ajay / Nijhawan, Sandeep / Poddar, Ujjal / Ramesh, G N / Singh, Shivram P / Zargar, Showkat / Bhatia, Shobna

    Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology

    2023  Volume 42, Issue 5, Page(s) 601–628

    Abstract: Proton pump inhibitors (PPIs) have been available for over three decades and are among the most commonly prescribed medications. They are effective in treating a variety of gastric acid-related disorders. They are freely available and based on current ... ...

    Abstract Proton pump inhibitors (PPIs) have been available for over three decades and are among the most commonly prescribed medications. They are effective in treating a variety of gastric acid-related disorders. They are freely available and based on current evidence, use of PPIs for inappropriate indications and duration appears to be common. Over the years, concerns have been raised on the safety of PPIs as they have been associated with several adverse effects. Hence, there is a need for PPI stewardship to promote the use of PPIs for appropriate indication and duration. With this objective, the Indian Society of Gastroenterology has formulated guidelines on the rational use of PPIs. The guidelines were developed using a modified Delphi process. This paper presents these guidelines in detail, including the statements, review of literature, level of evidence and recommendations. This would help the clinicians in optimizing the use of PPIs in their practice and promote PPI stewardship.
    MeSH term(s) Humans ; Asian People ; Gastroenterology/standards ; Proton Pump Inhibitors/adverse effects ; Proton Pump Inhibitors/therapeutic use ; India ; Drug Utilization Review/standards
    Chemical Substances Proton Pump Inhibitors
    Language English
    Publishing date 2023-09-12
    Publishing country India
    Document type Journal Article ; Practice Guideline ; Review
    ZDB-ID 632595-6
    ISSN 0975-0711 ; 0254-8860
    ISSN (online) 0975-0711
    ISSN 0254-8860
    DOI 10.1007/s12664-023-01428-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Thiram: degradation, applications and analytical methods.

    Sharma, Vaneet Kumar / Aulakh, J S / Malik, Ashok Kumar

    Journal of environmental monitoring : JEM

    2003  Volume 5, Issue 5, Page(s) 717–723

    Abstract: In this review a brief introduction to thiram (tetramethylthiuram disulfide; TMTD) pesticide has been given along with other applications. All the important methods available are systematically arranged and are listed under various techniques. Some of ... ...

    Abstract In this review a brief introduction to thiram (tetramethylthiuram disulfide; TMTD) pesticide has been given along with other applications. All the important methods available are systematically arranged and are listed under various techniques. Some of these methods have been applied for the determination of thiram in commercial formulations, synthetic mixtures in grains, vegetables and fruits. A comparison of different methods is the salient feature of this review.
    MeSH term(s) Agriculture ; Animals ; Environmental Monitoring/methods ; Food Chain ; Food Contamination ; Fruit ; Fungicides, Industrial/analysis ; Fungicides, Industrial/metabolism ; Humans ; Thiram/analysis ; Thiram/metabolism ; Vegetables ; Water Pollutants/analysis
    Chemical Substances Fungicides, Industrial ; Water Pollutants ; Thiram (0D771IS0FH)
    Language English
    Publishing date 2003-10-24
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 1453583-x
    ISSN 1464-0333 ; 1464-0325
    ISSN (online) 1464-0333
    ISSN 1464-0325
    DOI 10.1039/b304710e
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Fourth derivative spectrophotometric determination of fungicide thiram (tetramethyldithiocarbamate) using sodium molybdate and its application.

    Sharma, Vaneet Kumar / Aulakh, J S / Malik, A K

    Talanta

    2005  Volume 65, Issue 2, Page(s) 375–379

    Abstract: A procedure has been developed for the direct fourth derivative spectrophotometric determination of tetramethyldithiocarbamate by converting it into its molybdenum complex, which is then extracted in to methyl isobutyl ketone (MIBK). Beer's law is obeyed ...

    Abstract A procedure has been developed for the direct fourth derivative spectrophotometric determination of tetramethyldithiocarbamate by converting it into its molybdenum complex, which is then extracted in to methyl isobutyl ketone (MIBK). Beer's law is obeyed over the concentration range 24mugmL(-1) in the final solution. The analytical sensitivity is calculated to be 0.004(d(4)A/dlambda(4)) mug(-1)mL(-1) from the slope of the calibration curve. The detection limit is 0.3mugmL(-1) for thiram (signal to noise ratio = 2). Various parameters, such as effect of acid concentration, interference of a large number of ions in the determination of thiram have been studied in detail. The method is sensitive, highly selective and can be used for the determination of thiram in a commercial sample, in mixtures with various dithiocarbamates (zineb, maneb, etc.) and from wheat grains.
    Language English
    Publishing date 2005-01-30
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1500969-5
    ISSN 1873-3573 ; 0039-9140
    ISSN (online) 1873-3573
    ISSN 0039-9140
    DOI 10.1016/j.talanta.2004.07.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Column preconcentration and spectrophotometric determination of ziram and zineb in commercial samples and foodstuffs using (1,2'-pyridylazo)-2-naphthol (PAN)-naphthalene as adsorbate.

    Malik, Ashok Kumar / Sharma, Vanita / Sharma, Vaneet Kumar / Rao, A L J

    Journal of agricultural and food chemistry

    2004  Volume 52, Issue 26, Page(s) 7763–7767

    Abstract: A procedure has been developed for the determination of zinc(II) bis(dimethyldithiocarbamate) (ziram) and zinc(II) ethylenebis(dithiocarbamate) (zineb) after preconcentration on a column using naphthalene-(1,2'-pyridylazo)-2-naphthol (PAN) as adsorbent. ... ...

    Abstract A procedure has been developed for the determination of zinc(II) bis(dimethyldithiocarbamate) (ziram) and zinc(II) ethylenebis(dithiocarbamate) (zineb) after preconcentration on a column using naphthalene-(1,2'-pyridylazo)-2-naphthol (PAN) as adsorbent. Ziram and zineb are quantitatively retained on the column in the pH range of 9.0-12.5 and at a flow rate of 1-2 mL/min. The solid mass consisting of the Zn-PAN complex along with naphthalene is dissolved from the column with 5 mL of dimethylformamide (DMF). Absorbance of the complex was measured at 550 nm; Beer's law is obeyed over the concentration ranges of 2.0-22.0 microg of ziram and 5.0-19.8 microg of zineb in 10 mL of the final DMF solution. Ten replicate determinations on a sample solution containing 20 microg of ziram and 18 microg of zineb gave a mean absorbance of 0.33 with relative standard deviations of 0.80 and 0.70%, respectively. The interference of various ions has been studied. The method has been employed for the determination of ziram and zineb in commercial samples and in various foodstuffs, and the results were compared with the earlier reported methods.
    MeSH term(s) Adsorption ; Crops, Agricultural/chemistry ; Fungicides, Industrial/analysis ; Hydrogen-Ion Concentration ; Indicators and Reagents ; Naphthalenes ; Pyridines ; Sensitivity and Specificity ; Spectrophotometry/methods ; Zineb/analysis ; Ziram/analysis
    Chemical Substances Fungicides, Industrial ; Indicators and Reagents ; Naphthalenes ; Pyridines ; naphthalene-(1,2'-pyridylazo)-2-naphthol ; naphthalene (2166IN72UN) ; Ziram (73D8UA974J) ; Zineb (X1FSB1OZPT)
    Language English
    Publishing date 2004-12-29
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 241619-0
    ISSN 1520-5118 ; 0021-8561
    ISSN (online) 1520-5118
    ISSN 0021-8561
    DOI 10.1021/jf040326h
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Thiram: degradation, applications and analytical methods

    Sharma, Vaneet Kumar / Aulakh, J. S / Malik, Ashok Kumar

    Journal of environmental monitoring. 2003 Sept. 24, v. 5, no. 5

    2003  

    Abstract: In this review a brief introduction to thiram (tetramethylthiuram disulfide; TMTD) pesticide has been given along with other applications. All the important methods available are systematically arranged and are listed under various techniques. Some of ... ...

    Abstract In this review a brief introduction to thiram (tetramethylthiuram disulfide; TMTD) pesticide has been given along with other applications. All the important methods available are systematically arranged and are listed under various techniques. Some of these methods have been applied for the determination of thiram in commercial formulations, synthetic mixtures in grains, vegetables and fruits. A comparison of different methods is the salient feature of this review.
    Keywords analytical methods ; disulfides ; fruits ; grains ; thiram ; vegetables
    Language English
    Dates of publication 2003-0924
    Size p. 717-723.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1453583-x
    ISSN 1464-0333 ; 1464-0325
    ISSN (online) 1464-0333
    ISSN 1464-0325
    DOI 10.1039/b304710e
    Database NAL-Catalogue (AGRICOLA)

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