||An efficient bio-film for hardness removal
||We have developed a hybrid hydrogel nanocomposite film via conjugation of oxidised carbon dots synthesized from 11-mercaptoundecanoic acid with chitosan which can be applied for the removal of Ca2+ and Mg2+ ions thus providing solution for converting hard water soft. (Ref: Nanoscale, 2016, 8, 8542)
||Surface protection of copper based alloys using plasma based coating technology
||To prevent rusting of copper based alloys, like bell metal and brass, a technology has been developed and patented using plasma based technology. The technology is currently undergoing the process of optimization for commercial scale coating. (Ref: Indian Patent No.268130 /2015)
||Optical detection of cholesterol
||Addressing the limitations associated with the detection of cholesterol we fabricated an enzyme-free fluorescence turn-on sensor of cholesterol by a novel CD rationally designed utilizing a hydrazone-based organogel.(Ref: ACS Omega 2017, 2, 3816)
||Optical detection system for checking the presence of organic sulphur in milk thus analyzing quality of milk
||A paper carbon dot (PCDs) based fluorescence sensor was developed which can distinguish between the organic and inorganic sulphur in analytes. Milk is rich sources of organic sulphur thus the presence of organic sulphur in milk can be detected using this system.(Ref: RSC Adv., 2016, 6, 57327)
||Solid state sensors for efficient detection of sulphur dioxide vapour
||The present study demonstrates the utilization of ac electrical impedance technique for SO2 vapour detection for the first time with a response time of 3 s for 400 ppt SO2 and a LOD of 1.15 ppb SO2 at an ambient condition. (Ref: J. Mater. Chem. C, 2017; 5, 2871)
||A water soluble polyelectrolyte poly-2-vinyl pyridine hydroiodic acid
||The invented polyelectrolyte will find its application in high energy electromotive cells, super capacitor, and proton conducting membrane for fuel cell applications. The polyelectrolyte is easy to synthesize and is soluble in water. It is recyclable as it can be reused, by adding Hydrogen Iodide (HI). (Indian Patent No. 256468(1350/KOL/2006) granted on 20-06-2013)
||A cost effective chemiresistor for nitroaromatic vapors using silk fibroin-carbon nanoparticle composites
||The sensor developed here exhibits an excellent response time (0 - 3) s and an excellent reversibility for the detection of explosive vapours-TNP and TNT. (Ref: J. Mater. Chem. C, 2016; 4, 8920)
||Quantam dots as superselective and ultrasensitive sensors for pa
||A portable and cost-effective electronic device for the visual detection of picric acid by the sensory system is successfully fabricated. (Ref: ACS Appl. Mater. Interfaces, DOI: 10.1021/acsami.5b07660)
||Development of thermistor device from the liquid crystalline polymers
||A thermistor device has been developed from some Liquid Crystalline Polymers.The polymers can also be used for gas sensor for methanol and water vapors. They are very sensitive to moisture and hence can be used for humidity sensor.(Indian Patent No. 296096)
||Electrical sensing of ammonia vapour
||This device has the potential for wide range of applications, such as detection of rotten fish in market or making auto-flush for public urinals. (Ref: J. Phys. Chem. C 119 (2015) 17260)
||IASST has developed a technology of producing value added wine from scented black rice, which is identical to red wine in taste and tint. The method has been tried at lab scale in 2 litre fermenter. Now the technology is being tried for upscaling.
||IASST scientists have developed microbe based bio-pesticide with strains of streptomyces sp. TT-3 as consortia and the institute has a collection of in vitro and in-vivo screened superior actinomycetes with pest control potential. One of them has been quite effective in tea plantation and technology has been transferred to a company, named “Green Harvest Biotech Pvt Ltd”, Guwahati.
||Nanotechnology based wound dressing material
||IASST has a patented technology to produce an advanced wound dressing material, using nano-technology. The wound dressing materials, made from this technology don’t, stick with the wound, and also negates infection due to its special nano-structure.
||Anti-diabetic herbal formulation/ phytopharmaceutical
||IASST is working on developing an anti-diabetic herbal formulation with M/s Emami Ltd. as the industrial partner. The project work entitled “Phytopharmaceutical development of Ficus semicordata Buch.-Ham. ex Sm.”, is being carried out as per the regulatory guidelines of DCGI.
||Production of activated carbon from tea waste
||A method of converting tea waste into activated carbon using natural activating agent has been developed at IASST. This activated carbon has potential use for water purification, dye absorption, and other toxicant absorption.
||Considering the importance of organic farming and its natural advantages in the north-eastern India, scientists at IASST are working on developing more effective bio-fertilisers, from the superior strains of actinomycetes and rhizospheric bacteria for tea and scented rice of Assam.
||Bio-technology enhanced production of agarwood oil
||Highly valued agarwood oil, which is usually produced in nature via plant-parasite interaction on the plants of Aquilaria genus which are indigenous to NER, has been produced at lab-flask scale at IASST using biotechnological process. This lab scale successful project is now at the incubation centers for developing commercially viable technology at pilot scale.
||Surgical suture material using plasma treated muga fiber
||Functionalization of Muga fiber surface by O2 plasma treatment for improvement in drug loading/release behavior is successfully achieved.The oxygen plasma treated Amoxicillin loaded Muga yarn exhibits burst release behavior at the initial stage (within 24 hours), followed by sustained release of antibiotic drug for up to 336 hours.The results clearly indicate the possibility of utilizing oxygen plasma treated Muga yarn as potential biomaterial for sustained drug release application.(Ref: Indian Patent application No. 726/KOL/2014)
||Surgical suture material from ramie fiber
||Scientists of IASST have developed a surgical suture material from fibers of ramie (Boehmeria nivea) plant, and working towards creation of viable products from the technology. The surgical suture is expected to be of low cost and bio-degradable.
||Garcinia based product
||Some pioneering R&D has taken place at IASST on health benefits of some varieties of Garcinia, which are indigenous to NER. Now efforts are on for using these varieties of Garcinia in making such edible products, which may satisfy the necessary parameters for successful commercialization while retaining the health benefits. One of such attempts was made by the 5 alumnus of IASST, by making edible candies in the brand name ‘Garcilona’.
||Cancer detection through image processing
||A computing technology, developed by the Centre for Computational & Numeric Studies in IASST has shown remarkable accuracy in detection of cervical cancer, based on image analysis of slides taken from pap-smear test. This technology was shortlisted by M/s Numaligarh Refineries Limited for funding under its CSR activities. After lab scale trials, now the technology is being taken for field trials and validation, in collaboration with some hospitals.
||The traditional fermented mustard seeds locally called, Kharoli has been value added with enhanced poly unsaturated fatty acid content. An Indian patent has been filed (Application no. 202231069776). This product will have better marketability now as functional food
||A technique has been developed for preparation of soy yoghurt with improved shelf-life, enriched with functional metabolites. An Indian patent has been filed (Application No. 202231004797 Dated 28-01-2022). It is a vegan yogurt having 40 days of shelf life without any preservatives.
||A technique has been developed for preparation of cow milk curd with probiotics having anti-ageing property. (Patent application number: 202231001501 dated 11-01-2022). It was covered by 105 news reports throughout the world. The technology transfer process is underway.
||Polyelectrolyte Complex Nanoparticles as Efficient Material for Protein Sensing: Polyelectrolyte complex nanoparticles (PEC NPs) are synthesized using two oppositely charged polyelectrolytes, i.e., anionic poly(sodium 4-styrene sulfonate) and cationic poly (diallyledimethylammoniumchloride). This specific PEC NPs can sense globular proteins (bovine serum albumin, human serum albumin, lysozyme and hemoglobin) within the detection limit of 5 nM and therefore can be used as an efficient and promising protein sensing material.
(Indian Patent No. 390613, Date of acceptance: 28.02.2022)
||Synthesis of ZnO Nanoparticle and its Application for the Treatment of Wastewater Contaminated by Hydrocarbons Granted Patent No. 374741 dated 11.02.2019. Present invention provides a novel and environment friendly route for the synthesis of cheaper and reusable ZnO NPs and a technique for the treatment of wastewater contaminated by Hydrocarbons (HC). ZnO NPs with improved traits capable of adsorbing HCs from industrial waste water and also a cost-effective technology for industrial waste water remediation