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  1. Artikel ; Online: A featureless approach for object detection and tracking in dynamic environments.

    Zohaib, Mohammad / Ahsan, Muhammad / Khan, Mudassir / Iqbal, Jamshed

    PloS one

    2023  Band 18, Heft 1, Seite(n) e0280476

    Abstract: One of the challenging problems in mobile robotics is mapping a dynamic environment for navigating robots. In order to disambiguate multiple moving obstacles, state-of-art techniques often solve some form of dynamic SLAM (Simultaneous Localization and ... ...

    Abstract One of the challenging problems in mobile robotics is mapping a dynamic environment for navigating robots. In order to disambiguate multiple moving obstacles, state-of-art techniques often solve some form of dynamic SLAM (Simultaneous Localization and Mapping) problem. Unfortunately, their higher computational complexity press the need for simpler and more efficient approaches suitable for real-time embedded systems. In this paper, we present a ROS-based efficient algorithm for constructing dynamic maps, which exploits the spatial-temporal locality for detecting and tracking moving objects without relying on prior knowledge of their geometrical features. A two-prong contribution of this work is as follows: first, an efficient scheme for decoding sensory data into an estimated time-varying object boundary that ultimately decides its orientation and trajectory based on the iteratively updated robot Field of View (FoV); second, lower time-complexity of updating the dynamic environment through manipulating spatial-temporal locality available in the object motion profile. Unlike existing approaches, the snapshots of the environment remain constant in the number of moving objects. We validate the efficacy of our algorithm on both V-Rep simulations and real-life experiments with a wide array of dynamic environments. We show that the algorithm accurately detects and tracks objects with a high probability as long as sensor noise is low and the speed of moving objects remains within acceptable limits.
    Mesh-Begriff(e) Artificial Intelligence ; Robotics/methods ; Algorithms ; Motion
    Sprache Englisch
    Erscheinungsdatum 2023-01-17
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0280476
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Sensitivity and specificity of single-tube osmotic fragility test and its different methods as screening test for thalassemia trait: an alternative to expensive laboratory tests for resource-limited countries.

    Ansari, Saqib H / Hanifa, Anny / Saleem, Ayesha / Ali, Salima M / Hussain, Zeeshan / Zohaib, Mohammad / Akbar, Mohammad / Rehman, Saif / Hussain, Syed R

    European journal of haematology

    2014  Band 93, Heft 6, Seite(n) 516–520

    Abstract: Objective: To determine the sensitivity and specificity of single-tube osmotic fragility (SOFT) and its different methods as screening test for thalassemia trait.: Methods: A cross-sectional study was conducted at Omair Sana Foundation. A total of ... ...

    Abstract Objective: To determine the sensitivity and specificity of single-tube osmotic fragility (SOFT) and its different methods as screening test for thalassemia trait.
    Methods: A cross-sectional study was conducted at Omair Sana Foundation. A total of 400 participants were included in the study. Three hundred were known thalassemia carriers (parents with at least one child with thalassemia major), while 100 were healthy blood donors. SOFT was performed on all 400 participants. Serum iron, ferritin, and DNA tests were performed on 100 participants (donors). ARMS technique was used for detecting thalassemia mutations.
    Results: Sensitivity and specificity of SOFT (venous method) were found to be 99.6% and 86%, respectively, while with EDTA method, sensitivity was 95% and specificity was 96%. For venous and EDTA methods, positive predictive values were 95.5% and 98.6%, respectively, while negative predictive values were 98.8% and 86.6%, respectively. Use of EDTA and storage had an effect on the results. Sensitivity of SOFT was 95% at 5 min, while it decreased to 87% with EDTA method at 240 min. Sensitivity of SOFT for iron deficiency anemia was found to be 14%.
    Conclusion: SOFT can be used as screening test for thalassemia trait in a cost-effective way. Moreover, we also found that SOFT should be performed on venous blood without adding preservatives (EDTA) that can interfere with the results.
    Mesh-Begriff(e) Cross-Sectional Studies ; Female ; Humans ; Male ; Mass Screening/economics ; Mass Screening/methods ; Mass Screening/standards ; Osmotic Fragility ; Sensitivity and Specificity ; Thalassemia/diagnosis ; Time Factors
    Sprache Englisch
    Erscheinungsdatum 2014-12
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 392482-8
    ISSN 1600-0609 ; 0902-4441
    ISSN (online) 1600-0609
    ISSN 0902-4441
    DOI 10.1111/ejh.12392
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Comparative analysis of the relative potential of silver, Zinc-oxide and titanium-dioxide nanoparticles against UVB-induced DNA damage for the prevention of skin carcinogenesis.

    Tyagi, Nikhil / Srivastava, Sanjeev K / Arora, Sumit / Omar, Yousef / Ijaz, Zohaib Mohammad / Al-Ghadhban, Ahmed / Deshmukh, Sachin K / Carter, James E / Singh, Ajay P / Singh, Seema

    Cancer letters

    2016  Band 383, Heft 1, Seite(n) 53–61

    Abstract: Sunscreen formulations containing UVB filters, such as Zinc-oxide (ZnO) and titanium-dioxide ( ... ...

    Abstract Sunscreen formulations containing UVB filters, such as Zinc-oxide (ZnO) and titanium-dioxide (TiO
    Mesh-Begriff(e) Anticarcinogenic Agents/pharmacology ; Anticarcinogenic Agents/toxicity ; Antioxidants/pharmacology ; Catalase/metabolism ; Cell Death/drug effects ; Cell Line, Tumor ; DNA Damage/drug effects ; DNA Repair/drug effects ; Dose-Response Relationship, Drug ; Glutathione Peroxidase/metabolism ; Humans ; Keratinocytes/drug effects ; Keratinocytes/metabolism ; Keratinocytes/pathology ; Keratinocytes/radiation effects ; Metal Nanoparticles ; Oxidative Stress/drug effects ; Reactive Oxygen Species/metabolism ; Silver Compounds/pharmacology ; Skin Neoplasms/genetics ; Skin Neoplasms/metabolism ; Skin Neoplasms/pathology ; Skin Neoplasms/prevention & control ; Sunburn/drug therapy ; Sunburn/genetics ; Sunburn/metabolism ; Sunburn/pathology ; Sunscreening Agents/pharmacology ; Sunscreening Agents/toxicity ; Superoxide Dismutase/metabolism ; Titanium/pharmacology ; Titanium/toxicity ; Ultraviolet Rays/adverse effects ; Zinc Oxide/pharmacology ; Zinc Oxide/toxicity
    Chemische Substanzen Anticarcinogenic Agents ; Antioxidants ; Reactive Oxygen Species ; Silver Compounds ; Sunscreening Agents ; titanium dioxide (15FIX9V2JP) ; Titanium (D1JT611TNE) ; Catalase (EC 1.11.1.6) ; Glutathione Peroxidase (EC 1.11.1.9) ; Superoxide Dismutase (EC 1.15.1.1) ; Zinc Oxide (SOI2LOH54Z)
    Sprache Englisch
    Erscheinungsdatum 2016-09-28
    Erscheinungsland Ireland
    Dokumenttyp Comparative Study ; Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 195674-7
    ISSN 1872-7980 ; 0304-3835
    ISSN (online) 1872-7980
    ISSN 0304-3835
    DOI 10.1016/j.canlet.2016.09.026
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel: Taurine Targets the GluN2b-Containing NMDA Receptor Subtype.

    Chan, Christopher Y / Singh, Inderbir / Magnuson, Heather / Zohaib, Mohammad / Bakshi, Kalindi P / Le François, Brice / Anazco-Ayala, Ana / Lee, Eung Jeon / Tom, Andrew / YeeMon, Kristel / Ragnauth, Andre / Friedman, Eitan / Banerjee, Shailesh P

    Advances in experimental medicine and biology

    2015  Band 803, Seite(n) 531–544

    Mesh-Begriff(e) Animals ; Binding Sites ; Cell Membrane/drug effects ; Cell Membrane/metabolism ; Dose-Response Relationship, Drug ; Evoked Potentials/drug effects ; In Vitro Techniques ; Phenols/pharmacology ; Piperidines/pharmacology ; Prefrontal Cortex/drug effects ; Prefrontal Cortex/metabolism ; Protein Binding ; Rats ; Receptors, AMPA/metabolism ; Receptors, N-Methyl-D-Aspartate/antagonists & inhibitors ; Receptors, N-Methyl-D-Aspartate/metabolism ; Taurine/metabolism ; Taurine/pharmacology ; Time Factors
    Chemische Substanzen NR2B NMDA receptor ; Phenols ; Piperidines ; Receptors, AMPA ; Receptors, N-Methyl-D-Aspartate ; Ro 25-6981 ; glutamate receptor ionotropic, AMPA 2 ; Taurine (1EQV5MLY3D)
    Sprache Englisch
    Erscheinungsdatum 2015
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2214-8019 ; 0065-2598
    ISSN (online) 2214-8019
    ISSN 0065-2598
    DOI 10.1007/978-3-319-15126-7_43
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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