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  1. AU="Dhiraj Kumar"
  2. AU="Isaac S. Lee"
  3. AU="Bals, Julia"
  4. AU="Rovira-Clavé, Xavier"
  5. AU="Den Boer, Monique L"
  6. AU="Potts, T."
  7. AU="Cifuentes-Diaz, Carmen"
  8. AU="Alvim, Ricardo G"
  9. AU="Barron II, Joseph C"
  10. AU="Godin, Shea-Lee"
  11. AU="Leng, Chengcai"
  12. AU="Hyslop, Brian W"
  13. AU="Suzanne Fischer"
  14. AU="Aboelata, Noha"
  15. AU="Chiang, Sarah N"
  16. AU="Wessel, Kristin M"
  17. AU="Wilson, Jenna M"
  18. AU="Goines, Paula"
  19. AU=Ippolito Mariachiara AU=Ippolito Mariachiara
  20. AU="Jose Chauca"
  21. AU="Asih, Puji B S"
  22. AU="Dsane-Selby, Lydia"
  23. AU="Tolossa, Tadesse"
  24. AU="Erdal Bedir"

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Treffer 1 - 10 von insgesamt 352

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  1. Artikel ; Online: Sphingomonas flavescens sp. nov., isolated from soil.

    Lee, Hyosun / Chaudhary, Dhiraj Kumar / Kim, Dong-Uk

    Archives of microbiology

    2024  Band 206, Heft 3, Seite(n) 119

    Abstract: An aerobic bacterium, designated as PT- ... ...

    Abstract An aerobic bacterium, designated as PT-12
    Mesh-Begriff(e) Phospholipids/chemistry ; Sphingomonas/genetics ; Phylogeny ; RNA, Ribosomal, 16S/genetics ; Soil ; Bacterial Typing Techniques ; DNA, Bacterial/genetics ; Spermidine ; Soil Microbiology ; Fatty Acids/chemistry ; Sequence Analysis, DNA
    Chemische Substanzen Phospholipids ; RNA, Ribosomal, 16S ; Soil ; DNA, Bacterial ; Spermidine (U87FK77H25) ; Fatty Acids
    Sprache Englisch
    Erscheinungsdatum 2024-02-23
    Erscheinungsland Germany
    Dokumenttyp Journal Article
    ZDB-ID 124824-8
    ISSN 1432-072X ; 0302-8933
    ISSN (online) 1432-072X
    ISSN 0302-8933
    DOI 10.1007/s00203-024-03851-6
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  2. Artikel ; Online: Investigation of thermal performance, drying characteristics and environomical analysis: direct flow evacuated tube solar drying of okra.

    Yadav, Dhiraj Kumar / Arora, Vinkel Kumar / Yadav, Vikrant

    Environmental science and pollution research international

    2024  

    Abstract: A direct flow evacuated tube solar dryer (DF_ETSD), a novel drying system, was used for drying pre-treated okra (Abelmoschus esculentus). The performance of DF_ETSD was analysed by determining thermal profiling, dryer and collector efficiency hourly. The ...

    Abstract A direct flow evacuated tube solar dryer (DF_ETSD), a novel drying system, was used for drying pre-treated okra (Abelmoschus esculentus). The performance of DF_ETSD was analysed by determining thermal profiling, dryer and collector efficiency hourly. The maximum 3-day average ambient temperature, collector outlet temperature and solar radiation were 35.6 °C, 66.4 °C and 976 W m
    Sprache Englisch
    Erscheinungsdatum 2024-05-03
    Erscheinungsland Germany
    Dokumenttyp Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-024-33340-8
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    Verfügbar in ZB MED Bonn

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  3. Artikel ; Online: Enterovirga aerilata

    Lee, Hyosun / Chaudhary, Dhiraj Kumar / Kim, Dong-Uk

    International journal of systematic and evolutionary microbiology

    2024  Band 74, Heft 5

    Abstract: Two strictly aerobic and rod-shaped bacteria, labelled as ... ...

    Abstract Two strictly aerobic and rod-shaped bacteria, labelled as DB1703
    Mesh-Begriff(e) Phylogeny ; Base Composition ; Fatty Acids/analysis ; RNA, Ribosomal, 16S/genetics ; DNA, Bacterial/genetics ; Bacterial Typing Techniques ; Sequence Analysis, DNA ; Air Conditioning ; Ubiquinone ; Automobiles ; Republic of Korea
    Sprache Englisch
    Erscheinungsdatum 2024-05-20
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 2002336-4
    ISSN 1466-5034 ; 1466-5026
    ISSN (online) 1466-5034
    ISSN 1466-5026
    DOI 10.1099/ijsem.0.006383
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  4. Artikel ; Online: Potential of Curcumin nanoemulsion as antimicrobial and wound healing agent in burn wound infection.

    Kumari, Meera / Nanda, Dhiraj Kumar

    Burns : journal of the International Society for Burn Injuries

    2022  Band 49, Heft 5, Seite(n) 1003–1016

    Abstract: The review article concentrates on the potential uses of curcumin nanoemulsion in treatment and management of burn wound. Poor solubility and low bioavailability of curcumin limits the efficient and effective use of curcumin in management of bacterial ... ...

    Abstract The review article concentrates on the potential uses of curcumin nanoemulsion in treatment and management of burn wound. Poor solubility and low bioavailability of curcumin limits the efficient and effective use of curcumin in management of bacterial infection related to burn wound. Nano particle based drug delivery system can be of great aid to solve this problem. Among this nanoemulsion is most favourable system due to its simplicity and low manufacturing cost. Nanoemulsion also enhances the skin permeation ability of curcumin and thus enhances its pharmacological efficacy specially as a potential antimicrobial agent, which can have applicability as a topical therapeutic agent in burn wound infection.
    Mesh-Begriff(e) Humans ; Curcumin/pharmacology ; Curcumin/therapeutic use ; Wound Healing ; Burns/complications ; Burns/drug therapy ; Burns/microbiology ; Anti-Infective Agents/therapeutic use ; Anti-Infective Agents/pharmacology ; Wound Infection/drug therapy
    Chemische Substanzen Curcumin (IT942ZTH98) ; Anti-Infective Agents
    Sprache Englisch
    Erscheinungsdatum 2022-11-09
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Review
    ZDB-ID 197308-3
    ISSN 1879-1409 ; 0305-4179
    ISSN (online) 1879-1409
    ISSN 0305-4179
    DOI 10.1016/j.burns.2022.10.008
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    Verfügbar in ZB MED Köln/Königswinter

    Zs.A 1250: Hefte anzeigen Standort:
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  5. Artikel ; Online: Comparative evaluation of trypsin and elastase digestion techniques for isolation of murine retinal vasculature.

    Sharma, Anamika / Gupta, Dhiraj Kumar / Bisen, Shivantika / Singh, Nikhlesh K

    Microvascular research

    2024  Band 154, Seite(n) 104682

    Abstract: Dysfunctional pericytes and disruption of adherens or tight junctions are related to many microvascular diseases, including diabetic retinopathy. In this context, visualizing retinal vascular architecture becomes essential for understanding retinal ... ...

    Abstract Dysfunctional pericytes and disruption of adherens or tight junctions are related to many microvascular diseases, including diabetic retinopathy. In this context, visualizing retinal vascular architecture becomes essential for understanding retinal vascular disease pathophysiology. Although flat mounts provide a demonstration of the retinal blood vasculature, they often lack a clear view of microaneurysms and capillary architecture. Trypsin and elastase digestion are the two techniques for isolating retinal vasculatures in rats, mice, and other animal models. Our observations in the present study reveal that trypsin digestion impacts the association between pericytes and endothelial cells. In contrast, elastase digestion effectively preserves these features in the blood vessels. Furthermore, trypsin digestion disrupts endothelial adherens and tight junctions that elastase digestion does not. Therefore, elastase digestion emerges as a superior technique for isolating retinal vessels, which can be utilized to collect reliable and consistent data to comprehend the pathophysiology of disorders involving microvascular structures.
    Sprache Englisch
    Erscheinungsdatum 2024-03-21
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 80307-8
    ISSN 1095-9319 ; 0026-2862
    ISSN (online) 1095-9319
    ISSN 0026-2862
    DOI 10.1016/j.mvr.2024.104682
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    Zs.A 746: Hefte anzeigen Standort:
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  6. Artikel ; Online: Distribution of mercury in modern bottom sediments of the Beaufort Sea in relation to the processes of early diagenesis: Microbiological aspect.

    Chaudhary, Dhiraj Kumar / Seo, DongGyun / Han, Seunghee / Hong, Yongseok

    Marine pollution bulletin

    2024  Band 202, Seite(n) 116300

    Abstract: This study investigated the contents of total mercury (THg), trace metals, and ... ...

    Abstract This study investigated the contents of total mercury (THg), trace metals, and CH
    Mesh-Begriff(e) Geologic Sediments/chemistry ; Geologic Sediments/microbiology ; Mercury/analysis ; Mercury/metabolism ; Water Pollutants, Chemical/analysis ; Environmental Monitoring ; Bacteria ; Methane/analysis ; Canada
    Chemische Substanzen Mercury (FXS1BY2PGL) ; Water Pollutants, Chemical ; Methane (OP0UW79H66)
    Sprache Englisch
    Erscheinungsdatum 2024-03-30
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2024.116300
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  7. Artikel ; Online: Identification of the molecular mechanism of insulin-like growth factor-1 (IGF-1)

    Archana Arjunan / Dhiraj Kumar Sah / Minna Woo / Juhyun Song

    Cell & Bioscience, Vol 13, Iss 1, Pp 1-

    a promising therapeutic target for neurodegenerative diseases associated with metabolic syndrome

    2023  Band 18

    Abstract: Abstract Neurodegenerative disorders are accompanied by neuronal degeneration and glial dysfunction, resulting in cognitive, psychomotor, and behavioral impairment. Multiple factors including genetic, environmental, metabolic, and oxidant overload ... ...

    Abstract Abstract Neurodegenerative disorders are accompanied by neuronal degeneration and glial dysfunction, resulting in cognitive, psychomotor, and behavioral impairment. Multiple factors including genetic, environmental, metabolic, and oxidant overload contribute to disease progression. Recent evidences suggest that metabolic syndrome is linked to various neurodegenerative diseases. Metabolic syndrome (MetS) is known to be accompanied by symptoms such as hyperglycemia, abdominal obesity, hypertriglyceridemia, and hypertension. Despite advances in knowledge about the pathogenesis of neurodegenerative disorders, effective treatments to combat neurodegenerative disorders caused by MetS have not been developed to date. Insulin growth factor-1 (IGF-1) deficiency has been associated with MetS-related pathologies both in-vivo and in-vitro. IGF-1 is essential for embryonic and adult neurogenesis, neuronal plasticity, neurotropism, angiogenesis, metabolic function, and protein clearance in the brain. Here, we review the evidence for the potential therapeutic effects of IGF-1 in the neurodegeneration related to metabolic syndrome. We elucidate how IGF-1 may be involved in molecular signaling defects that occurs in MetS-related neurodegenerative disorders and highlight the importance of IGF-1 as a potential therapeutic target in MetS-related neurological diseases.
    Schlagwörter Alzheimer’s disease (AD) ; Insulin-like growth factor-1 (IGF-1) ; Metabolic syndrome (MetS) ; Neurodegeneration ; Neuroprotection ; Biotechnology ; TP248.13-248.65 ; Biology (General) ; QH301-705.5 ; Biochemistry ; QD415-436
    Thema/Rubrik (Code) 616 ; 610
    Sprache Englisch
    Erscheinungsdatum 2023-01-01T00:00:00Z
    Verlag BMC
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  8. Artikel ; Online: Insights into the Correlation between Residual Stresses, Phase Transformation, and Wettability of Femtosecond Laser-Irradiated Ductile Iron

    Dhiraj Kumar / Gerhard Liedl / Andreas Otto / Werner Artner

    Nanomaterials, Vol 12, Iss 1271, p

    2022  Band 1271

    Abstract: Despite numerous studies on the wettability behavior of ductile iron after ultrafast laser structuring, the correlation between the phase change due to the interaction with an intense pulse and wettability is not yet well understood. In the present work, ...

    Abstract Despite numerous studies on the wettability behavior of ductile iron after ultrafast laser structuring, the correlation between the phase change due to the interaction with an intense pulse and wettability is not yet well understood. In the present work, phase transformations of ductile iron substrates after femtosecond laser irradiation are investigated and correlated with the wettability behavior. Laser parameters such as fluence (F), cumulative fluence (CH), number of pulses (N), and scan speed were varied to produce hierarchical structures with different morphologies and phase concentrations. Our outcomes indicated that substrates with higher concentrations of austenite in the absence of hierarchical structures have a superhydrophilic nature despite being stored in an ambient atmosphere for several days and the application of a vacuum process. In addition, we measured the concomitant residual stresses after laser irradiation using the X-ray diffraction (XRD) method and established a relationship with the doses of CH and induced micro/nanostructures. Transmission electron microscopy (TEM) revealed that laser-structured surfaces are covered with oxides; moreover, phase transformation occurs at the near-subsurface layer.
    Schlagwörter femtosecond laser ; wettability ; phase change ; residual stresses ; EBSD ; TEM ; Chemistry ; QD1-999
    Sprache Englisch
    Erscheinungsdatum 2022-04-01T00:00:00Z
    Verlag MDPI AG
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  9. Artikel: Sulforaphane Inhibits IL-1β-Induced IL-6 by Suppressing ROS Production, AP-1, and STAT3 in Colorectal Cancer HT-29 Cells.

    Sah, Dhiraj Kumar / Arjunan, Archana / Park, Seon Young / Lee, Bora / Jung, Young Do

    Antioxidants (Basel, Switzerland)

    2024  Band 13, Heft 4

    Abstract: Colorectal cancer (CRC) stands as a major cause of cancer-related mortality globally, accounting for approximately 881,000 deaths each year. Traditional approaches such as chemotherapy and surgery have been the primary treatment modalities, yet the ... ...

    Abstract Colorectal cancer (CRC) stands as a major cause of cancer-related mortality globally, accounting for approximately 881,000 deaths each year. Traditional approaches such as chemotherapy and surgery have been the primary treatment modalities, yet the outcomes for patients with metastatic CRC are often unsatisfactory. Recent research has focused on targeting the pathways involved in oxidative stress, inflammation, and metastasis to enhance the survival of CRC patients. Within this context, sulforaphane (SFN), a notable phytochemical found predominantly in cruciferous vegetables, has been recognized as a potential anticancer agent. However, the specific mechanisms through which SFN may exert its chemopreventive effects in CRC remain unclear. This study explores the impact of SFN on IL-1β-induced IL-6 activation and MAPK and AP-1 signaling in HT-29 cells. Our findings reveal that SFN treatment not only diminishes IL-1β-stimulated IL-6 expression but also reduces oxidative stress by curtailing reactive oxygen species (ROS) production. Furthermore, it hinders the proliferation and invasiveness of HT-29 cells through the modulation of MAPK/AP-1 and STAT3 signaling pathways. These results indicate that SFN mitigates IL-1β-induced IL-6 expression in CRC cells by attenuating ROS production and disrupting MAPK/AP-1 signaling. This suggests that SFN holds significant potential as a chemotherapeutic agent for both treating and preventing CRC.
    Sprache Englisch
    Erscheinungsdatum 2024-03-28
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2704216-9
    ISSN 2076-3921
    ISSN 2076-3921
    DOI 10.3390/antiox13040406
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  10. Artikel ; Online: Characterizing the Microparticles Deposition Structure and its Photonic Nature in Surfactant-Laden Evaporating Colloidal Sessile Droplets.

    Tiwari, Appurva / Lee, Seong Jae / Garg, Dhiraj Kumar / Shin, Sehyun / Thokchom, Ashish Kumar

    Langmuir : the ACS journal of surfaces and colloids

    2024  Band 40, Heft 16, Seite(n) 8711–8720

    Abstract: This work presents a simple method to create photonic microstructures via the natural evaporation of surfactant-laden colloidal sessile droplets on a flat substrate. In the absence of dissolved surfactant, the evaporating colloidal droplet forms a well- ... ...

    Abstract This work presents a simple method to create photonic microstructures via the natural evaporation of surfactant-laden colloidal sessile droplets on a flat substrate. In the absence of dissolved surfactant, the evaporating colloidal droplet forms a well-known coffee ring deposition. In contrast, the presence of surfactant leads to the formation of multiple ring structures due to the repetitive pinning-depinning behavior of the droplet contact line (CL). It is found that the multiring structure shows vibrant iridescent structural colors while the coffee ring lacks a photonic nature. This difference in the structural color for the presence and absence of the surfactant is found to be dependent on the arrangement of the particles in the deposition structure. The particle arrangement in the multirings is monolayered and well-ordered. The ordering of the particles is strongly influenced by the particle dynamics, contact angle (CA), and CL dynamics of the evaporating colloidal solution droplet. Furthermore, the iridescent nature of the multiring deposition is demonstrated and explained. The dependence of the multiring deposition structure on the concentration of the dissolved surfactant and the suspended particles is also studied. The findings demonstrate that an intermediate surfactant concentration is desirable for the formation of a multiring structure. Further, the pinning-depinning CL dynamics that causes the formation of the multiring deposition structure is discussed. Finally, we demonstrate the applicability of the approach to smaller droplet volumes.
    Sprache Englisch
    Erscheinungsdatum 2024-04-12
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 2005937-1
    ISSN 1520-5827 ; 0743-7463
    ISSN (online) 1520-5827
    ISSN 0743-7463
    DOI 10.1021/acs.langmuir.4c00596
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