Harnoor Singh Sachar
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Explore the profile of Harnoor Singh Sachar including associated specialties, affiliations and a list of published articles.
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Articles
18
Citations
20
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Recent Articles
1.
Morishita K, Sachar H, Duncan T, Zhang Z, Marioni N, Herrera A, et al.
ACS Appl Mater Interfaces
. 2024 Oct;
16(42):57888-57900.
PMID: 39397586
The separation of ions of similar charge is a crucial challenge in many applications, from water treatment to precious metal recovery. Membranes with cross-linked zwitterionic amphiphilic copolymer (ZAC-X) selective layers,...
2.
Sachar H, Zofchak E, Marioni N, Zhang Z, Ganesan V
Langmuir
. 2024 Apr;
40(18):9563-9578.
PMID: 38656161
Membranes incorporating zwitterionic chemistries have recently emerged as promising candidates for facilitating challenging ion-ion separations. Transport of ions in such membranes predominantly occurs in hydrated nanopores lined with zwitterionic monomers....
3.
Sachar H, Zhang Z, Marioni N, Zofchak E, Ganesan V
ACS Macro Lett
. 2023 Sep;
12(10):1293-1297.
PMID: 37695823
Recent experiments have revealed that random zwitterionic amphiphilic copolymer (r-ZAC) membranes exhibit excellent Cl/F permselectivity circumventing the solubility-diffusivity trade-off. We conducted molecular dynamics simulations to investigate the origin of the...
4.
Sachar H, Haque Pial T, Sivasankar V, Das S
ACS Nano
. 2021 Oct;
15(11):17337-17347.
PMID: 34605243
Energy generation through nanofluidics is a topic of great nanotechnological relevance. Here, we conduct all-atom molecular dynamics (MD) simulations of the transport of water and ions in a pressure-driven flow...
5.
Haque Pial T, Sachar H, Desai P, Das S
ACS Nano
. 2021 Apr;
15(4):6507-6516.
PMID: 33797221
Controlling the direction and strength of nanofluidic electrohydrodyanmic transport in the presence of an externally applied electric field is extremely important in a number of nanotechnological applications. Here, we employ...
6.
Sivasankar V, Etha S, Sachar H, Das S
Phys Rev E
. 2020 Aug;
102(1-1):013103.
PMID: 32794997
We demonstrate that functionalizing nanoslits with pH-responsive polyelectrolyte brushes can lead to extremely fast electro-osmotic (EOS) water transport, where the maximum centreline velocity and the volume flow rate can be...
7.
Sachar H, Haque Pial T, Chava B, Das S
Soft Matter
. 2020 Aug;
16(33):7808-7822.
PMID: 32747883
All atom molecular dynamics (MD) simulations of planar Na+-counterion-neutralized polyacrylic acid (PAA) brushes are performed for varying degrees of ionization (and thereby varying charge density) and varying grafting density. Variation...
8.
Etha S, Sivasankar V, Sachar H, Das S
Phys Chem Chem Phys
. 2020 Jun;
22(24):13536-13553.
PMID: 32510082
In this paper, we develop a theory for describing the thermodynamics, configuration, and electrostatics of strongly-stretched, pH-responsive polyelectrolyte (PE) brushes in the presence of large salt concentrations. The aim of...
9.
Etha S, Sivasankar V, Sachar H, Das S
Electrophoresis
. 2020 Feb;
41(9):657-665.
PMID: 32092163
Development of anti-biofouling coating has attracted immense attention for reducing the massively detrimental effects of biofouling in systems ranging from ship hulls and surgical instruments to catheters, implants, and stents....
10.
Sachar H, Sivasankar V, Etha S, Chen G, Das S
Electrophoresis
. 2019 Sep;
41(7-8):554-561.
PMID: 31541559
In this paper, we provide a theory to quantify the ionic current ( ) in nanochannels grafted with pH-responsive polyelectrolyte (PE) brushes. We consider the PE brushes to be modeled...