Supersensitive Hydrogen Sensors

TItania nanotubes have been found to be 1.500 times better material for sensing hydrogen. On entering ap array oj titanija nanotubes, hydrogen, not only flows around an the surfaces but also splits into individually charged atoms and permeates the surface of the nanotubes. Electrons for hydrogen ions are provided for conductivity. The change in conductance indicates the presense of hydrogen. The material is velY sensitive, cheap and reusable.

The research findings were reported by Dr Craig A Grines of Penn State and his coworkers in sensors and Actuators B: Chemical (August 1, 2003). Low-cost hydrogen catalyst

A nickel-tin catalyst has been discovered, that can replace the platinum metal used in the preparation of hydrogen fuel from plants through a new­environmentally sustainable, green house-gas-neutral, low temperature process. The hydrogen is made without vaporizing water, because, the process occurs in a liquid phase at low reaction temperatures resulting in considerable energy saving in comparison to the conventional fossil fuel-based hydrogen generation methods where water is required to be boiled away.

The research has been reported in Science (June 27, 2003) by a group of chemical and biological engineers from the University of Wisconsin-Madison.

Lost cost transformation of composite materials

As innovative technology which allows rapid transformation of composite materials has been developed and patented by a lTench SME. The technology involves direct heating of the composite material to be transformed and not the whole mould. The main advantages of this technology includes the reduction of time cycle and energy consumption and also, there is no need to pre-heat the moulds. . . '. ,

Treatment of solvent vapo� in md�biai gaseous emuents ' A bio..Jiltration proceSs, basel! .on the v(Jlatil� organic or inorganic

compounds .(VOCs), has been developed by a Belgian research instit�te for th� biological treatm,n.t of gaseous The . .

d.lrelo,f)ed' mc:l'l.ldes ,..,1 · ..... 0 adv<ant(lRes of biolftUSJPeJflt�.tf<YI

573

574

A system for detec.tion. of OJ!Y �.rsanic mole¥e under sb:I,yje conditions, #'!l:SD

including the non-fluorescent on�s/ hos'biHln reported joinily by CSIC al lnStitrite de, . Carboquimica, Basque country UIJiv,efSity and Unirersity of Met�. 'The method i§. based on the phenomenon of induced fluorescence.

New Patents Synthesis of amorphouzed polyvinyl alcohol

A method has been reported for the synthesis of novel amorphouzed polyvinyl alcohol that swells rapidly in cold water imd is suitable for the preparation of gels and spinning solutions. Technological effectiveness of the method is good. It facilitates the exclusion of toxic methanol from the components, utilization of the parent polymer, polyvinyl acetate in any form i.e. grqnule, powder or latex.

Potent Number : RU2205191 . \

Publication Date : 27-05-2003

Inventor (s) : Bojko VV; Kuznetsov AA; Semenova GK

Applicant (s) : NS Enikolopova Ran; Inst Sint Polymernykh Material

Preparation of cycloolefin (co) polymers for technical applications A method for the preparation of cyclo olefin co polymers for industrial

applications has been patented. The copolymers can be prepared by copolymerisation of monomers from the group consisting of cyclic olefins, alpha olefms having 2 or more carbon atoms and optionally conjugated or non-conjugated diolefins. The catalysts used are metallocene compounds or pi complex compounds.

Potent Number : US 6156857

Publication Date : 05-12-2000

Inventor (s) : Kelly warren mark (CA); Stumpf Andreas (DE); Starzewski Karl-H.einZ . Aleksand (DE)

. Applicant (sJ ; Bayer 1B (DE)

Publication Date ":�04-1i;'2001

bi.,ventor (s) : Brennan James Patridc (�B)

Applicant (s) : Knoll As (US)

Production of humic acid salts

A method for the preparation of humic acid salts has been reported. It includes a liquid phase oxidation of the mixture of an alkaline agent with a lignin­containing plant raw material having the total content of dry substances of 12-20%.

Potent Number : WO 3051962

Publication Date : 26-06-2003

Inventor(s): Gladkov Oleg Andreevich (RU); Polyakov Yury Jurievich (RU); Sokolova Irina Vasilievna (RU); Sorokin Nikolay I vanovich (RU); Glebov Aleksey Valerievich

(RU); Obschbestvo S Ogranichennoy OTV (RU); Poloskin Ro'dion Borisovich (RU)

Applicant (s) : Gladkov Oleg Andreevich (RU); Polyakov Yury Jurievich (RU); Sokolova Irina Vasilievna (RU); Sorokin Nikolay I vanovich (RU); Glebov Aleksey

Valerievich (RU); Poloskin Rodion Borisovich (RU)

Poly functional biocompatible hydrogel

The inventive polyfunctional biocompatible hydrogel consists of 1.3-15 mass % of acrylamide, 0-004-0.975 mass % of cross-linking agents : N, N methylen-bis­acrylamide, 0.004-5.1 mass % of N, N - ethylene bis acrylamide, 0.002-0.45 mass % of poviargol and water upto 100 mass %. The hydrogel is produced by copolymerising acrylamide with the cross linking agents in an aqueous medium in the presence of peroxide polymerization initiator.

Potent Number : WOO302671�

Publication ,Date : 03-04-2003

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Technol()"gy oifers,fFol!l , India =

Meta-phenoxy benzaldehyde , .

, Technology for production of meta phenoxy toluene by reacting m- cresol,

alkali and chlorobenzene in presence 01 catalyst followed by chlorination in presence of a catalyst and a suitable solvent IS available. The compound is used as pesticide intermediate for manufacture of synthetic pyrethroids.

Know-how, consultancy, design evaluation and ·designs for commercial plant are available at Indian Institute of Chemical Technology (CSffi), Hyderabad.

Copper sensor A copper sensor, based on anodic stripping differential pulse voltametry using

a special tyPe of reusable sensor electrode, has been developed to detect the presence oJ copper in natural water and blood samples. .

Technology is available at Industrial Toxicology Research Centre (CSIR), Lucknow.

Detection of argemone oil adulteration

A kit for detecting Argemone mexicana oil, an adulterant for the mustard oil, has been developed.

Technology is available at Industrial Toxicology Research Centre (CSIR), Lucknow.

Manufacture of dimer acids from castor oil A new method for production of dimer acids from castor oil has been

reported. Dimer acids are extensively used in adhesives, ink and surface coating formulations, reactive and non reactive polyamides, corrosion inhibitors and metal working lubricants. , . '

Technology is available at Indian Institute of Chemical Technology (CSIR), Hyderabad.

A biosensor for detecting the presence o/ urea has been developed based on a solid-state pH electrode using an enzyme in a new type of sol-gel sandwi�h configuration. ' .

Technology know:- how is, qvailabl� at fJ:!dUjf.rial. �0101lJj Research Centre (CSIR), Lucknow. , .

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