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Review on landfill leachate treatment by electrochemical oxidation: Drawbacks, challenges and future scope

Mandal, Pubali (Elsevier, 2017-11)

Various studies on landfill leachate treatment by electrochemical oxidation have indicated that this process can effectively reduce two major pollutants present in landfill leachate; organic matter and ammonium nitrogen. ...

Evaluation of effect of moisture on fatigue performance of pavement designed with recycled asphalt mixtures

Kakade, Vijay B. (Candian Science, 2023-01)

The moisture resistance of dense- and gap-graded bituminous mixes prepared with the replacement of virgin aggregates and fresh bitumen with reclaimed asphalt pavement (RAP) was evaluated using indirect tensile strength ...

Aging Resistance of Bitumen Modifiers: A Comprehensive Review

Kakade, Vijay B. (ASME, 2023-09)

The deterioration of physical and mechanical properties of bituminous materials that are attributable to the aging of bitumen is one of the major causes of reduction in service life of flexible pavements. Thermal-oxidation ...

Pavement surface distress evaluation using a terrestrial laser scanner

Kakade, Vijay B. (Elsevier, 2023-05)

The accurate measurement of pavement distresses is essential for setting preservation and rehabilitation priorities. The manual measurement of surface distresses is the most commonly used method for evaluating the severity ...

Evaluation of Lateral Distribution of Heavy Vehicles on Multilane Roads Using a Strip-Based Approach

Kakade, Vijay (ASCE, 2023-08)

Most highway agencies use the default values of the lane distribution factor (LDF) as suggested by their pavement design guidelines. However, the use of the default value of the LDF results in over- or underestimation of ...

Performance evaluation of petroleum hard pitch modified with rice straw bio-oil

Kakade, Vijay B. (Elsevier, 2023-08)

In this present study, bio-binder was made using the bio-oil obtained from rice straw and petroleum hard pitch to reduce the air pollution caused by the burning of waste rice straw in the field. The physical, rheological, ...

Asymmetrically β-Substituted Porphyrins and Chlorins: Synthesis, Spectroscopic, and Electrochemical Redox Properties

Grover, Nitika (IOP, 2015)

Asymmetrically β-substituted chlorins, viz. 2,3-bis(dicyanomethyl)-meso-tetraphenylchlorin (1), diethoxycarbonylcyclopropano-meso-tetraphenylchlorin (2) and 2-ethylacetoacetanato-meso-tetraphenylporphyrin (3), and their ...

Spectral investigations of meso-tetraalkylporphyrin-fullerene host–guest complexes

Grover, Nitika (World Scientific, 2015)

Meso-tetraalkylporphyrins and their Zn(II) complexes were synthesized and characterized by various spectroscopic techniques. Single crystal X-ray structure of meso-tetrapropylporphyrin (3) revealed the orientation of alkyl ...

Asymmetrically Crowded “Push–Pull” Octaphenylporphyrins with Modulated Frontier Orbitals: Syntheses, Photophysical, and Electrochemical Redox Properties

Grover, Nitika (ACS, 2015-12)

A new series of β-substituted octaphenylporphyrins were synthesized and the influence of unsymmetrical substitution on the photophysical and electrochemical properties of the compounds is elucidated. The examined compounds ...

Facile Conversion of Ni(II) Cyclopropylchlorins into Novel β-Substituted Porphyrins through Acid-Catalyzed Ring-Opening Reaction

Grover, Nitika (ACS, 2016-12)

The conversion of cyclopropylchlorins into porphyrins represents a key step in the synthetic manipulation of macrocycles with tunable physical and chemical properties. Herein, we report a facile method for the synthesis ...

Versatile Synthetic Route for β-Functionalized Chlorins and Porphyrins by Varying the Size of Michael Donors: Syntheses, Photophysical, and Electrochemical Redox Properties

Grover, Nitika (ACS, 2017-09)

One-pot facile synthesis and characterization of novel β-substituted meso-tetraphenylporphyrins and/or chlorins were described. The high regioselective reactivity of active methylene compounds in Michael addition reaction ...

Selective Conversion of Planar trans-Chlorins into Highly Twisted Doubly Fused Porphyrins or Chlorins via Oxidative Fusion

Grover, Nitika (ACS, 2018-05)

β-to-o-phenyl doubly fused porphyrins (DFPs) or chlorins (DFCs) were selectively synthesized by facile oxidative fusion of trans-chlorins using 2,3-dichloro-5,6-dicyano-1,4- benzoquinone (DDQ) in good-to-excellent yields ...

β-Heptasubstituted Porphyrins: Synthesis, Structural, Spectral, and Electrochemical Properties

Grover, Nitika (Wiley, 2018-06)

A new series of β-heptasubstituted porphyrins MTPP(NO2)(Me)6 (M = 2H, CoII, NiII, CuII, and ZnII) was synthesized and characterized by various spectroscopic techniques. The single-crystal X-ray structure analysis of ...

Nickel-Induced Skeletal Rearrangement of Free Base trans-Chlorins into Monofused NiII-Porphyrins: Synthesis, Structural, Spectral, and Electrochemical Redox Properties

Grover, Nitika (ACS, 2018-09)

Several ruffled β-to-ortho-phenyl monofused metalloporphyrins (MIIMFPs) with 1,3-indanedione functionality have been synthesized by oxidative fusion of free base trans-chlorins via nickel insertion followed by the skeletal ...

Synthesis and Electrochemical Characterization of Acetylacetone (acac) and Ethyl Acetate (EA) Appended β-Trisubstituted Push–Pull Porphyrins: Formation of Electronically Communicating Porphyrin Dimers

Grover, Nitika (ACS, 2018-10)

Two new families of “push–pull” tetraphenylporphyrins with one acetylacetone (acac) or ethyl acetate (EA) moiety at a β-pyrrole position of the macrocycle and two Br or Ph substituents at the antipodal β-positions were ...

β-substituted donor-acceptor porphyrins: Synthesis, energy transfer and electrochemical redox properties

Grover, Nitika (Elsevier, 2019-02)

β-substituted D-A porphyrins have been synthesized via Suzuki coupling reaction and characterized by various spectroscopic techniques. Two different electron donating moieties i.e. 4-(carbazol-9-ylmethyl)phenyl and ...

β-Functionalized Dibenzoporphyrins with Mixed Substituents Pattern: Facile Synthesis, Structural, Spectral, and Electrochemical Redox Properties

Grover, Nitika (ACS, 2019-02)

A new series of mixed β-substituted dibenzoporphyrins were synthesized, and the effect of β-substitution on the spectral and electrochemical redox properties of the macrocycle was elucidated. The synthetic route to ...

Incremental Introduction of Organocatalytic Activity into Conformationally Engineered Porphyrins

Grover, Nitika (Wiley, 2019-01)

To study the correlation of macrocycle nonplanarity and catalytic activity of free base porphyrins in detail, a series of six tetraphenylporphyrins with graded degree of β-ethyl substitution (“H2EtxTPPs” 1–6; x = 0, 2, 4, ...

Structural, Photophysical, and Electrochemical Properties of Doubly Fused Porphyrins and Related Fused Chlorins

Grover, Nitika (ACS, 2019-12)

The electrochemical and physicochemical properties of tetraphenylporphyrins and tetraphenylchlorins with two fused indanedione (IND) or malononitrile (MN) groups and two antipodal Br, Ph, or H β-substituents are investigated ...

Investigation of the Reactivity of 1-Azido-3-iodobicyclo[1.1.1]pentane under “Click” Reaction Conditions

Grover, Nitika (ACS, 2020-12)

The bicyclo[1.1.1]pentane (BCP) unit is under scrutiny as a bioisostere in drug molecules. We employed methodologies for the synthesis of different BCP triazole building blocks from one precursor, 1-azido-3-iodobicyclo[1 ...

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