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  1. No Access

    Article

    Profiling of heavy metal and pesticide residues in medicinal plants

    Application of medicinal plant to cure ailments has been practiced by several civilizations. Nowadays, contamination of heavy metals and pesticide residues in medicinal plant is a serious concern, due to toxic...

    Narendra Kumar, Mahiya Kulsoom… in Environmental Science and Pollution Resear… (2018)

  2. No Access

    Article

    Ecological implication of variation in the secondary metabolites in Parmelioid lichens with respect to altitude

    Lichens are known to synthesize a variety of secondary metabolites having multifunctional activity in response to external environmental condition. Two common lichen extrolites, atranorin and salazinic acid, a...

    Vertika Shukla, D. K. Patel, Rajesh Bajpai… in Environmental Science and Pollution Resear… (2016)

  3. No Access

    Article

    Physiological and genetic effects of chromium (+VI) on toxitolerant lichen species, Pyxine cocoes

    Chromium is a highly toxic non-essential metal, which causes a variety of metabolic activities in plants. Pyxine cocoes a well known toxitolerant lichen species was considered to evaluate the possible physiologic...

    Rajesh Bajpai, Vertika Shukla, Niraj Singh… in Environmental Science and Pollution Resear… (2015)

  4. No Access

    Article

    Selection of suitable lichen bioindicator species for monitoring climatic variability in the Himalaya

    Interspecific comparison in metals and PAHs profile in three lichen species, Flavoparmelia caperata, Phaeophyscia hispidula and Pyxine sorediata, were studied in different altitudinal gradients of the Western Him...

    Rajesh Bajpai, Vertika Shukla, D. K. Upreti… in Environmental Science and Pollution Resear… (2014)

  5. No Access

    Article

    Lichens reveal air PAH fractionation in the Himalaya

    This paper shows that gas/particulate phase partitioning of polycyclic aromatic hydrocarbons (PAHs) can be monitored using lichens. Anthropogenic sources are responsible for the release of PAHs, which are bioa...

    Vertika Shukla, D. K. Upreti, D. K. Patel, M. Yunus in Environmental Chemistry Letters (2013)

  6. No Access

    Article

    Lichens to distinguish urban from industrial PAHs

    This paper shows that lichens can be used as biomonitors to distinguish urban from industrial polycyclic aromatic hydrocarbons (PAHs). PAHs are atmospheric pollutants originating mainly from incomplete combust...

    Vertika Shukla, D. K. Patel, D. K. Upreti, M. Yunus in Environmental Chemistry Letters (2012)

  7. No Access

    Chapter

    Air Quality Monitoring with Lichens in India. Heavy Metals and Polycyclic Aromatic Hydrocarbons

    Air quality monitoring is an integral part of an Environmental Impact Assessment Programme. It can be carried out either by direct air samplers or by employing biomonitoring plants. Monitoring of air pollution...

    Vertika Shukla, D. K. Upreti in Environmental Chemistry for a Sustainable World (2012)

  8. No Access

    Article

    Changing lichen diversity in and around urban settlements of Garhwal Himalayas due to increasing anthropogenic activities

    Decrease in lichen diversity is an important biometric tool to assess the prevailing environmental condition in an area. An attempt has been made to explore the utility of lichen diversity in the monitoring of...

    Vertika Shukla, Dalip K. Upreti in Environmental Monitoring and Assessment (2011)

  9. No Access

    Article

    Polycyclic aromatic hydrocarbon (PAH) accumulation in lichen, Phaeophyscia hispidula of DehraDun City, Garhwal Himalayas

    The distribution and origin of polycyclic aromatic hydrocarbons (PAHs) in the lichen, Phaeophyscia hispidula (Ach.) Essl., collected from nine different road crossings of DehraDun, capital city of Uttaranchal (Ga...

    Vertika Shukla, D. K. Upreti in Environmental Monitoring and Assessment (2009)

  10. No Access

    Article

    Effect of metallic pollutants on the physiology of lichen, Pyxine subcinerea Stirton in Garhwal Himalayas

    Chl. a, Chl. b, total Chl., Carotenoid, Protein and OD 435/OD 415 ratio were measured to estimate the possible damage caused by the metallic pollutants in the lichen, Pyxine subcinerea Stirton collected from four...

    Vertika Shukla, Dalip K. Upreti in Environmental Monitoring and Assessment (2008)

  11. No Access

    Article

    Heavy Metal Accumulation in Phaeophyscia hispidula En Route to Badrinath, Uttaranchal, India

    Phaeophyscia hispidula, a common foliose lichen, growing in its natural habitat, was analysed for the concentration of six heavy metals (Fe, Ni, Zn, Cr, Cu and Pb) from five different sit...

    Vertika Shukla, D.K. Upreti in Environmental Monitoring and Assessment (2007)