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PublicationLetter Correspondence(Springer India, 2015) Seema Korgaonkar; Babu Rao Vundinti; K.P. Srikanth; B.R. Thapa; Erman Atas; Vural Kesik; N.K. Bagri; A. Kumar; Ahmar Shamim; Mani Ram Krishna; Pramila Verma; Abdul Razak[No abstract available]PublicationLetter Striatal hand in an elderly man with disseminated tuberculosis: An unusual first case(Blackwell Publishing, 2018) Rohit Gaude; Upinder Kaur; Ishan Kumar; Deepak K Gautam; Indrajeet S Gambhir; Sankha S Chakrabarti[No abstract available]PublicationLetter A logical approach to trauma - Damage control surgery: Comments [3](2005) Mallika Tewari[No abstract available]PublicationLetter Colonic conduit for esophageal bypass in Celphos-induced tracheoesophageal fistula: Our experience of two cases(2009) Vivek Srivastava; Mumtaz Ansari; Somprakas Basu; Damayanti Agrawal; T.K. Lahiri; Anand Kumar[No abstract available]PublicationLetter Emergence of Vibrio cholerae 01 resistant to vibriostatic agent 0/129(1992) Gopal Nath; SuhasC. Sanyal[No abstract available]PublicationLetter Environmental significance of raised rann sediments along the margins of Khadir, Bhanjada and Kuar Bet islands in Great Rann of Kachchh, Western India(2011) N. Khonde; D.M. Maurya; A.D. Singh; V. Chowksey; L.S. Chamyal[No abstract available]PublicationLetter Letter to the editor regarding Kho, et al. [1](2006) Prakash; Latha V. Prabhu; Gajendra Singh[No abstract available]PublicationLetter Levosulpiride associated neuroleptic malignant syndrome in an elderly patient: a tale of confusing brand names(Springer Science and Business Media Deutschland GmbH, 2022) Upinder Kaur; Kumudini Acharya; Amit Singh; Indrajeet Singh Gambhir; Sankha Shubhra Chakrabarti[No abstract available]PublicationLetter Intrahospital transport and SAH: possible impact on low- and middle-income countries(American Association of Neurological Surgeons, 2021) Ivan David Lozada-Martínez; William Camargo-Martínez; Amit Agrawal; Rakesh Mishra; Bukkambudhi V. Murlimanju; Adesh Shrivastava; Luis Rafael Moscote-Salazar[No abstract available]PublicationLetter Shape and Size-Dependent Magnetic Properties of Fe3O4 Nanoparticles Synthesized Using Piperidine(Springer New York LLC, 2017) Ashwani Kumar Singh; O.N. Srivastava; Kedar SinghIn this article, we proposed a facile one-step synthesis of Fe3O4 nanoparticles of different shapes and sizes by co-precipitation of FeCl2 with piperidine. A careful investigation of TEM micrographs shows that the shape and size of nanoparticles can be tuned by varying the molarity of piperidine. XRD patterns match the standard phase of the spinal structure of Fe3O4 which confirms the formation of Fe3O4 nanoparticles. Transmission electron microscopy reveals that molar concentration of FeCl2 solution plays a significant role in determining the shape and size of Fe3O4 nanoparticles. Changes in the shape and sizes of Fe3O4 nanoparticles which are influenced by the molar concentration of FeCl2 can easily be explained with the help of surface free energy minimization principle. Further, to study the magnetic behavior of synthesized Fe3O4 nanoparticles, magnetization vs. magnetic field (M-H) and magnetization vs. temperature (M-T) measurements were carried out by using Physical Property Measurement System (PPMS). These results show systematic changes in various magnetic parameters like remanent magnetization (Mr), saturation magnetization (Ms), coercivity (Hc), and blocking temperature (TB) with shapes and sizes of Fe3O4. These variations of magnetic properties of different shaped Fe3O4 nanoparticles can be explained with surface effect and finite size effect. © 2017, The Author(s).