Search Results - "B, Krishnakumar"

Highly Efficient, Solar Active, and Reusable Photocatalyst: Zr-Loaded Ag–ZnO for Reactive Red 120 Dye Degradation with Synergistic Effect and Dye-Sensitized Mechanism by Subash, B, Krishnakumar, B, Swaminathan, M, Shanthi, M

“…The different wt % of Zr-codoped Ag–ZnO catalysts were prepared by the simple precipitation–thermal decomposition method and used for degradation of anionic…”
Get full text

Influence of operational parameters on photocatalytic degradation of a genotoxic azo dye Acid Violet 7 in aqueous ZnO suspensions by Krishnakumar, B., Swaminathan, M.

“…[Display omitted] ► ZnO is found to be more efficient than TiO 2-P25 for degradation of AV 7. ► Addition of oxidants except H 2O 2 has no significant effect on…”
Get full text

AgBr–ZnO – An efficient nano-photocatalyst for the mineralization of Acid Black 1 with UV light by Krishnakumar, B., Subash, B., Swaminathan, M.

“…The photocatalytic activity of AgBr–ZnO was investigated for the degradation of Acid Black (AB 1) in aqueous solution using UV light. AgBr–ZnO is found to be…”
Get full text

Preparation and characterization of carbon nanoparticles loaded TiO2 and its catalytic activity driven by natural sunlight by Velmurugan, R., Krishnakumar, B., Subash, B., Swaminathan, M.

“…Carbon nanoparticle loaded TiO2 (CNP-TiO2) was successfully synthesized by the sonochemical method. The catalyst was characterized by XRD, XPS, TEM, DRS,…”
Get full text

A convenient method for the N-formylation of amines at room temperature using TiO2-P25 or sulfated titania by Krishnakumar, B., Swaminathan, M.

“…Semiconductor catalyzed N-formylation of amines using formic acid offers an eco-friendly method. Sulfated titania is more efficient and reusable than TiO2-P25…”
Get full text

Preoperative and Postoperative CT Scan Assessment of Pterygomaxillary Junction in Patients Undergoing Le Fort I Osteotomy: Comparison of Pterygomaxillary Dysjunction Technique and Trimble Technique—A Pilot Study by Dadwal, Himani, Shanmugasundaram, S., Krishnakumar Raja, V. B.

“…Purpose To determine the rate of complications and occurrence of pterygoid plate fractures comparing two techniques of Le Fort I osteotomy i.e., Classic…”
Get full text

Photodegradation of Acid Violet 7 with AgBr–ZnO under highly alkaline conditions by Krishnakumar, B., Swaminathan, M.

“…[Display omitted] ► Photogenerated electron transfer from AgBr to ZnO increases charge separation. ► All the metal ions and anions decrease the dye degradation…”
Get full text

Roller element bearing fault diagnosis using singular spectrum analysis by Muruganatham, Bubathi, Sanjith, M.A., Krishnakumar, B., Satya Murty, S.A.V.

“…Most of the existing time series methods of feature extraction involve complex algorithm and the extracted features are affected by sample size and noise. In…”
Get full text

Enhanced photocatalytic performance of WO3 loaded Ag–ZnO for Acid Black 1 degradation by UV-A light by Subash, B., Krishnakumar, B., Swaminathan, M., Shanthi, M.

“…[Display omitted] ► The WO3-Ag–ZnO was successfully synthesized by a simple solvothermal method. ► Electron and hole transfer between two oxides makes this…”
Get full text

ZnS–Ag–ZnO as an Excellent UV-Light-Active Photocatalyst for the Degradation of AV 7, AB 1, RR 120, and RY 84 Dyes: Synthesis, Characterization, and Catalytic Applications by Subash, B, Krishnakumar, B, Swaminathan, M, Shanthi, M

“…ZnS-loaded Ag–ZnO, synthesized by a precipitation–thermal decomposition method, was used for the degradation of four toxic azo dyes, namely, Acid Violet 7 (AV…”
Get full text

An efficient nanostructured Ag2S–ZnO for degradation of Acid Black 1 dye under day light illumination by Subash, B., Krishnakumar, B., Pandiyan, V., Swaminathan, M., Shanthi, M.

“…[Display omitted] ► The Ag2S–ZnO was successfully synthesized by sol–gel method. ► This new method of preparation gives a homogeneous dispersion of Ag2S in…”
Get full text

Synthesis, characterization and catalytic activity of co-doped Ag–Au–ZnO for MB dye degradation under UV-A light by Senthilraja, A., Subash, B., Krishnakumar, B., Rajamanickam, D., Swaminathan, M., Shanthi, M.

“…The Ag loaded Au–ZnO was successfully synthesized by the precipitation–decomposition method. The catalyst was characterized by X-Ray Diffraction (XRD), Field…”
Get full text

Solvent free synthesis of quinoxalines, dipyridophenazines and chalcones under microwave irradiation with sulfated Degussa titania as a novel solid acid catalyst by Krishnakumar, B., Swaminathan, M.

“…[Display omitted] ► TiO 2–P25 possesses a unique type of surface involving both redox and acid–base site. ► TiO 2–P25–SO 4 2− has more acidic sites and so more…”
Get full text

efficient reusable and antiphotocorrosive nano ZnO for the mineralization of Reactive Orange 4 under UV-A light by Velmurugan, R, Selvam, K, Krishnakumar, B, Swaminathan, M

“…ZnO nanocrystals have been synthesized by thermal decomposition of zinc oxalate without using any additives or solvent and characterized by XRD, BET, FE-SEM,…”
Get full text

Biomethanation of water hyacinth biomass by Priya, P., Nikhitha, S.O., Anand, C., Dipin Nath, R.S., Krishnakumar, B.

“…•Improved biomethanation of water hyacinth biomass.•Increasing solid content increases biogas yield.•Ensilation proved effective for preserving the…”
Get full text

Evaluation of the efficacy of autologous conditioned serum versus dextrose prolotherapy in internal derangement of the TMJ — A pilot study by Ravikumar, C., Sasikala, B., Krishnakumar Raja, V.B., Elavenil, P.

“…It was the aim of the study to compare the effectiveness of autologous conditioned serum (ACS) and dextrose prolotherapy (DP) solutions, in treating patients…”
Get full text

A novel ex-situ bio-remediation process for perchlorate contaminated soil by Nair, Rothish R., Russel, Jasmin G., Pradeep, S., Ajay, S.V., Krishnakumar, B.

“…A novel, ex-situ remediation process for perchlorate contaminated soil is reported in this study. This approach comprises washing the contaminated soil with…”
Get full text

Evaluation of Depression Associated With Post-Traumatic Stress Disorder After Maxillofacial Injuries—A Prospective Study by Ranganathan, Vatsala, Panneerselvam, Elavenil, Chellappazham, Saravanan, Balasubramaniam, Sasikala, Raja V. B., Krishnakumar

“…Maxillofacial injuries can result in psychological derangement, leading to post-traumatic stress disorder (PTSD), which is characterized by continual…”
Get full text

A recyclable and highly effective sulfated TiO2-P25 for the synthesis of quinoxaline and dipyridophenazine derivatives at room temperature by Krishnakumar, B., Swaminathan, M.

Get full text

Management of multiple and displaced mandibular fractures in a pediatric patient sans mandibular immobilization, sans open reduction and internal fixation by Panneerselvam, Elavenil, Ravikumar, Chandini, Rajan, Trishala Annamalai, Balasubramanian, Sasikala, Krishnakumar Raja, V.B.

“…Maxillofacial fractures in the pediatric population are generally managed by conservative approaches such as soft diet and medication or semi-invasive…”
Get full text