Search Results - "Ray, Dipanwita"
-
1
The role of transient resonances for ultra-fast imaging of single sucrose nanoclusters
Published in Nature communications (09-01-2020)“…Intense x-ray free-electron laser (XFEL) pulses hold great promise for imaging function in nanoscale and biological systems with atomic resolution. So far,…”
Get full text
Journal Article -
2
Observation of site-selective chemical bond changes via ultrafast chemical shifts
Published in Nature communications (22-11-2022)“…The concomitant motion of electrons and nuclei on the femtosecond time scale marks the fate of chemical and biological processes. Here we demonstrate the…”
Get full text
Journal Article -
3
Two Case Reports of Ochrobactrum anthropi Bacteremia in a Tertiary Care Hospital in Northeast India
Published in Curēus (Palo Alto, CA) (27-04-2024)“…is a non-fermenting, Gram-negative bacillus and an emerging opportunistic pathogen. We have isolated this organism from the blood cultures of two patients, a…”
Get full text
Journal Article -
4
Site-specific interrogation of an ionic chiral fragment during photolysis using an X-ray free-electron laser
Published in Communications chemistry (12-08-2021)“…Short-wavelength free-electron lasers with their ultrashort pulses at high intensities have originated new approaches for tracking molecular dynamics from the…”
Get full text
Journal Article -
5
Evaporation of an anisotropic nanoplasma
Published in EPJ Web of conferences (2019)“…Intense laser induced plasma dynamics in sub-micron scale helium droplets are monitored by femtosecond time-resolved X-ray coherent diffractive imaging…”
Get full text
Journal Article Conference Proceeding -
6
Characterizing isolated attosecond pulses with angular streaking
Published in Optics express (19-02-2018)“…We present a reconstruction algorithm for isolated attosecond pulses, which exploits the phase dependent energy modulation of a photoelectron ionized in the…”
Get full text
Journal Article -
7
Angular dependence of the strong-field ionization measured in randomly oriented hydrogen molecules
Published in Physical review. A, Atomic, molecular, and optical physics (01-03-2009)Get full text
Journal Article -
8
Anisotropic Surface Broadening and Core Depletion during the Evolution of a Strong-Field Induced Nanoplasma
Published in Physical review letters (12-08-2022)Get full text
Journal Article -
9
Molecular characterization and evaluation of the emerging antibiotic-resistant Streptococcus pyogenes from eastern India
Published in BMC infectious diseases (12-12-2016)“…Group A Streptococcus strains causing wide variety of diseases, recently became noticeable in eastern India, are not amenable to standard treatment protocol…”
Get full text
Journal Article -
10
Few-femtosecond resolved imaging of laser-driven nanoplasma expansion
Published in New journal of physics (01-04-2022)“…Abstract The free expansion of a planar plasma surface is a fundamental non-equilibrium process relevant for various fields but as-yet experimentally still…”
Get full text
Journal Article -
11
Electrospray sample injection for single-particle imaging with x-ray lasers
Published in Science advances (2019)“…The possibility of imaging single proteins constitutes an exciting challenge for x-ray lasers. Despite encouraging results on large particles, imaging small…”
Get full text
Journal Article -
12
Photo-electron momentum distribution and electron localization studies from laser-induced atomic and molecular dissociations
Published 01-01-2010“…The broad objective of ultrafast strong-field studies is to be able to measure and control atomic and molecular dynamics on a femtosecond timescale. This…”
Get full text
Dissertation -
13
Identification of novel variants in HNF1-alpha gene in maturity onset diabetes in young adults (MODY) subjects of Eastern India
Published in Al Ameen journal of medical sciences (01-01-2013)“…Background: The disorder, Maturity Onset of Diabetes of the young (MODY) is a monogenic form of Non-Insulin dependent Diabetes Mellitus (NIDDM), characterized…”
Get full text
Journal Article -
14
X-ray induced electron and ion fragmentation dynamics in IBr
Published 05-02-2023“…Characterization of the inner-shell decay processes in molecules containing heavy elements is key to understanding x-ray damage of molecules and materials and…”
Get full text
Journal Article -
15
Development and application of a new efficient and sensitive multiplex polymerase chain reaction (PCR) in diagnosis of leprosy
Published in Journal of the Indian Medical Association (01-07-2008)“…India contributes about 80% of the global leprosy case load including case of fresh infection and reinfection. Due to lack of gold standard, diagnosis is done…”
Get full text
Journal Article -
16
A Preliminary Sentinel Surveillance Report on Antibiotics Resistance Trend of Streptococcus Pyogenes in Kolkata Region, India
Published in Al Ameen journal of medical sciences (01-04-2010)“…Streptococcus pyogenes is an important cause of serious bacterial infection in both adults and school-going children. On the present scenario of emerging…”
Get full text
Journal Article -
17
Two Case Reports of Ochrobactrum anthropi Bacteremia in a Tertiary Care Hospital in Northeast India
Published in Cureus (01-04-2024)“…Ochrobactrum anthropi is a non-fermenting, Gram-negative bacillus and an emerging opportunistic pathogen. We have isolated this organism from the blood…”
Get full text
Report -
18
A hospital-based study to evaluate the incidence pattern of group A streptococcal throat infections from different age group patients
Published in Journal of the Indian Medical Association (01-02-2010)“…Streptococcus pyogenes(group A) is a major pathogen capable of causing a wide range of diseases in different age group of people. In this study 100 patients…”
Get full text
Journal Article -
19
Photo-electron momentum distribution and electron localization studies from laser-induced atomic and molecular dissociations
Get full text
Dissertation -
20
Site-specific Interrogation of an Ionic Chiral Fragment During Photolysis Using an X-ray Free-Electron Laser
Published 13-12-2020“…Short-wavelength free-electron lasers with their ultrashort pulses at high intensities have originated new approaches for tracking molecular dynamics from the…”
Get full text
Journal Article