公开(公告)号：MY173423A

公开(公告)日：2020-01-23

申请号：MYPI2010700089

申请日：2010-12-03

Applicant: MIMOS BERHAD

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA ,  MASURI OTHMAN

IPC: C25B11/02 ,  C25B11/04 ,  G01N27/327

Abstract: The present invention provides a hybrid solgel modified electrode. It is a non-enzymatic biosensors that targets bio-molecules present in body fluids. The electrode comprises a base substrate [20] in the form of a bowl and a screen printed conductor [22] layer in the substrate. A hybrid solgel composite [24] is layered to cover the conductor [22] and substrate [20] layer, which is sensitive to body analytes by selective voltammetric oxidation of the bio-molecules. The hybrid solgel composite layer comprises tetraethylorthosilicate (TEOS), methyltriethoxysilane, phenyltriethoxysilane, carbon material, and ferrocene compounds (26, 28]. A method to fabricate the composite layer is also described. The typical analytes considered among the most important for medical diagnosis by analysis of blood, urine and sweat includes glucose, cholesterol, uric acid, creatine, urea and lactate. This electrode can be used in routine medical screening for both sick and healthy people.

公开(公告)号：MY158143A

公开(公告)日：2016-09-15

申请号：MYPI2011001124

申请日：2011-03-14

Applicant: MIMOS BERHAD

Inventor： TEH AUN SHIH ,  SAGIR ALVA ,  MOHD RAIS AHMAD

IPC: G01N27/327 ,  G01N33/00

Abstract: A NON-ENZYMATIC BIOSENSOR BASED ON SELECTIVE VOLTAMMETRY USING FUNCTIONALIZED HYBRID SOLGEL IN ITS ELECTRODE IS PROPOSED. A PREFERRED EMBODIMENT OF THE ELECTRODE COMPRISES A CONDUCTOR LAYER (3) WHICH IS DISPOSED ON A SUBSTRATE (2), CARBON NANOTUBES (CNT) (5) WHICH ARE DISPOSED ON AT LEAST A PORTION OF THE CONDUCTOR LAYER (3) SUCH THAT THE CNT’S BASAL (5A) AND DISTAL ENDS (5B) ARE RESPECTIVELY DISPOSED IN BETWEEN THE CONDUCTOR LAYER (3) AND A CNT-FERROCENE SOLGEL COMPOSITE (6) DEPOSITED ONTO THE DISTAL END (5B) OF THE CNT (5) WITHIN A DAM STRUCTURE (7). THE CONDUCTOR LAYER (3) MAY BE SILVER, PLATINUM, GOLD OR CARBON. PREFERABLY, A CATALYST SUPPORT (4) IS DEPOSITED ON THE SUBSTRATE (2) AND A LIQUID-FORM NICKEL CATALYST IS DEPOSITED ON THE CATALYST SUPPORT. THE CNT-FERROCENE SOLGEL COMPOSITE IS MADE BY VIGOROUSLY MIXING (BY WEIGHT) CNT 10-35%, TETRAETHYLORTHOSILICATE 20-40%, METHYLTRI-ETHOXYSILICON 20-40%, PHENYLTRIETHOXYSILICON 20-40%; AND FERROCENE 0.1 TO 10%. THE MIXTURE IS SONICATED FOR ABOUT 1 MINUTE AND THEN LEFT TO STAND FOR ABOUT 20 HOURS.

公开(公告)号：MY159008A

公开(公告)日：2016-11-30

申请号：MYPI2011000788

申请日：2011-02-22

Applicant: MIMOS BERHAD

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA ,  AIMAN SAJIDAH ABD AZIZ ,  NORAZAH ABDUL RASHID

IPC: C08F220/26 ,  B32B27/36 ,  C08F2/48 ,  C08F224/00 ,  C09D4/02 ,  C09D133/12 ,  G01N27/40

Abstract: A METHOD OF FORMING A PROTECTIVE COATING OVER A CHEMICAL-SENSING MEMBRANE OF A BIOCHEMICAL SENSOR COMPRISING POLYMERIZING AN ALKYL METHACRYLATE MONOMER WITH A POLAR MONOFUNCTIONAL ACRYLATE MONOMER, THE ACRYLATES PREFERABLY ARE METHYL METHACRYLATE AND TETRAHYDROFURFURYLACRYLATE (THFA). THE COPOLYMERIZATION REACTION SHOWN BELOW. THE METHYL METHACRYLATE IS PREFERABLY MIXED WITH TETRAHYDROFURFURYL ACRYLATE IN A RATIO TO DERIVE A DESIRED POLARITY OF THE RESULTANT COPOLYMER, AND THE POLYMERIZATION OCCURS UNDER UV PHOTO-CHEMICAL REACTION WHICH A PHOTO-INITIATOR AND A CROSS-LINKER. LIPOPHILIC SALT AND IONOPHORE MAY BE ADDED TO THE POLYMERIZATION. ACCOMPANYING DRAWING: NONE

公开(公告)号：MY176885A

公开(公告)日：2020-08-25

申请号：MYPI2012700011

申请日：2012-01-16

Applicant: MIMOS BERHAD

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA

Abstract: The present invention relates to a sensor capable of detecting dissolved ammonia ? an enviromental hazard - by the use of the change of resistance in the polymer poly-aniline. The invention provides the sensors and applications in which such a sensor can be used. Furthermore provided is a process for the fabrication of the sensor of the present invention.

公开(公告)号：MY173717A

公开(公告)日：2020-02-18

申请号：MYPI2011003559

申请日：2011-07-29

Applicant: MIMOS BERHAD

Inventor： SAGIR ALVA ,  MOHD RAIS AHMAD

Abstract: The present invention relates generally to a composite electrode with in situ polymerized polyaniline comprising a composition of polyaniline, organic sultanate, polysaccharide, imidazolium buffer and organic chemicals whereby said composite electrode can be used in various applications such as gas sensor, chemical sensor, electrochemical transducer, solar cell, super capacitor, corrosion protection layer etc.

公开(公告)号：MY163549A

公开(公告)日：2017-09-29

申请号：MYPI2012005325

申请日：2012-12-10

Applicant: MIMOS BERHAD

Inventor： MOHD RAIS BIN AHMAD ,  SAGIR ALVA ,  SAAT SHUKRI BIN EMBONG

IPC: G01N27/333 ,  G01N27/403 ,  G01N33/18

Abstract: THE PRESENT INVENTION RELATES TO AN AQUATIC POLLUTANT SENSOR COMPRISING: A TRANSDUCER (101) AS SENSING ELECTRODE TO CONVERT ANALYTE CONCENTRATIONS TO VOLTAGE SIGNALS; AN ION SELECTIVE LAYER (103) DEPOSITED ON THE TRANSDUCER (101) TO SELECTIVELY TRANSPORT TARGET ANALYTE TO THE SAID TRANSDUCER (101); POTENTIOMETRY READOUT CIRCUIT (105) TO MEASURE POTENTIAL DIFFERENCE BETWEEN CHEMICAL SENSOR AND REFERENCE ELECTRODE; AN INERT SENSOR TIP SUBSTRATE (107) HAVING AT LEAST ONE SENSOR OPENING, AT LEAST ONE REFERENCE ELECTRODE OPENING AND AT LEAST TWO TRACKS FOR WIRE TRACES; A PROTECTOR (109) TO PROVIDE MECHANICAL STRENGTH, REDUCE FOULING AND ALLOW CLEANING; AND A REFERENCE ELECTRODE (111); CHARACTERIZED IN THAT THE TRANSDUCER (101) FURTHER COMPRISING AN ELECTROCHEMICAL TRANSDUCER NANOCOMPOSITE; THE REFERENCE ELECTRODE (111) IS IN THE FORM OF SOLID; AND THE PROTECTOR (109) FURTHER COMPRISING AN INERT POROUS PROTECTIVE ENCAPSULATION: MOST ILLUSTRATIVE

公开(公告)号：WO2010021536A3

公开(公告)日：2010-06-17

申请号：PCT/MY2009000121

申请日：2009-08-19

Applicant: MIMOS BERHAD ,  MOHD RAIS AHMAD ,  SAGIR ALVA

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA

IPC: G01N27/30 ,  G01N27/26 ,  H01L29/06

CPC classification number: G01N27/3335

Abstract: The present invention provides a planar reference electrode (10) comprising: a substrate (20); an electrode connecting part (24); an electrode (22); an internal reference layer (23); a micro porous polymer membrane (38) which functions as both a junction and a protection membrane layer made of micro-porous organic polymeric membrane, characterised in that the internal reference layer further comprises; a hydrophilic bulk (26) made of bulk hydrogel layer containing organic internal electrolytes; a photo hydrophilic (28) layer conditioned with internal electrolyte; a hybrid solgel (30) which functions as junction between internal electrolyte and a bridge salts; a hydrophilic bulk (32) which is bulk hydrogel containing the bridge salts; a photo hydrophilic (34) which is conditioned with the bridge salts; a hybrid solgel (36) which functions as junction between external analyte and the bridge salts, wherein the at least two layers of hydrophilic hydrogel consisting of an electrolyte preferably ionic liquids selected from the group of hydrophilic chloride.

Abstract translation: 本发明提供了一种平面参考电极（10），包括：衬底（20）; 一个电极连接部分（24）; 一个电极（22）; 内部参考层（23）; 一个用作由微孔有机聚合物膜制成的接合处和保护膜层的微孔聚合物膜（38），其特征在于：内部参考层还包括： 由含有有机内电解质的松散水凝胶层制成的亲水体（26） 用内部电解质调节的光亲水性（28）层; 作为内电解质和桥盐之间的结合的混合溶胶（30） 亲水体（32），其是含有桥盐的体积水凝胶; 用桥盐调节的光亲水性（34）; 作为外部分析物和桥盐之间的连接部分的混合溶胶（36），其中所述至少两层亲水性水凝胶由电解质组成，所述电解质优选为选自亲水性氯化物的离子液体。

公开(公告)号：WO2014092540A3

公开(公告)日：2014-10-23

申请号：PCT/MY2013000241

申请日：2013-12-09

Applicant: MIMOS BERHAD

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA ,  SAAT SHUKRI EMBONG

IPC: G01N27/333 ,  G01N27/403 ,  G01N33/18

CPC classification number: G01N27/333 ,  G01N33/1826

Abstract: The present invention relates to an aquatic pollutant sensor comprising: a transducer (101) as sensing electrode to convert analyte concentrations to voltage signals; an ion selective layer (103) deposited on the transducer (101) to selectively transport target analyte to the said transducer (101); potentiometry readout circuit (105) to measure potential difference between chemical sensor and reference electrode; an inert sensor tip substrate (107) having at least one sensor opening, at least one reference electrode opening and at least two tracks for wire traces; a protector (109) to provide mechanical strength, reduce fouling and allow cleaning; and a reference electrode (111); characterized in that the transducer (101) further comprising an electrochemical transducer nanocomposite; the reference electrode (111) is in the form of solid; and the protector (109) further comprising an inert porous protective encapsulation.

Abstract translation: 本发明涉及一种水中污染物传感器，包括：作为检测电极的转换器（101），用于将分析物浓度转换为电压信号; 沉积在所述换能器（101）上以选择性地将目标分析物输送到所述换能器（101）的离子选择层（103）; 电位计读出电路（105），用于测量化学传感器和参考电极之间的电位差; 具有至少一个传感器开口的惰性传感器尖端衬底（107），至少一个参考电极开口和用于电线迹线的至少两个轨道; 保护器（109）提供机械强度，减少结垢并允许清洁; 和参考电极（111）; 其特征在于，所述换能器（101）还包括电化学换能器纳米复合材料; 参考电极（111）为固体形式; 并且保护器（109）还包括惰性多孔保护性封装。

公开(公告)号：WO2011053117A3

公开(公告)日：2011-08-11

申请号：PCT/MY2010000246

申请日：2010-11-01

Applicant: MIMOS BERHAD ,  MOHD RAIS AHMAD ,  SAGIR ALVA

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA

IPC: G01N27/40 ,  B01D71/00

CPC classification number: G01N27/414 ,  B01D67/0048 ,  B01D67/0079 ,  B01D71/00 ,  B01D2323/14 ,  G01N27/333

Abstract: The present invention provides the use of nanoporous protective membrane for controlling the rate of transport of ionic species in the electrode, controlling the rate of loss of sensing membrane components, for maintaining sufficient and linear response signal from chemical sensors, and to achieve low and constant drift rate or chemical sensors. The present invention is for use in the sensing electrode and the reference electrode so that the potentiometric system is suitable for long term field deployment.

Abstract translation: 本发明提供纳米多孔保护膜用于控制电极中离子物质的传输速率，控制感测膜组分的损失速率，以保持来自化学传感器的足够和线性的响应信号，并实现低和恒定 漂移率或化学传感器。 本发明用于感测电极和参考电极，使得电位计系统适合于长期现场部署。

公开(公告)号：WO2011053116A3

公开(公告)日：2011-08-11

申请号：PCT/MY2010000245

申请日：2010-11-01

Applicant: MIMOS BERHAD ,  MOHD RAIS AHMAD ,  SAGIR ALVA ,  KEE SHYUAN LOH

Inventor： MOHD RAIS AHMAD ,  SAGIR ALVA ,  KEE SHYUAN LOH

IPC: G01N27/333 ,  G01N27/30

CPC classification number: G01N27/333

Abstract: The present invention provides a solid state reference electrode comprising; polymeric substrate, silver materials, silver chloride materials; and nano-porous hybrid solgel materials doped with chloride salts and borate compounds. The present invention also provides a method for preparation of solid hydrogel comprises the steps of: (a) mixing tetraethyl orthosilicate, methyltriethoxysilane, deionized water, and hydrochloric acid; (b) stirring and mixture until a clear homogeneous mixture is achieved; (c) adding lithium chloride and trimethyl borate to the homogeneous mixture; (d) sonicating the mixture of step (c).

Abstract translation: 本发明提供一种固态参考电极，包括： 聚合物基材，银材料，氯化银材料; 和掺杂有氯化物盐和硼酸盐化合物的纳米多孔混合溶胶凝胶材料。 本发明还提供一种制备固体水凝胶的方法，包括以下步骤：（a）将原硅酸四乙酯，甲基三乙氧基硅烷，去离子水和盐酸混合; （b）搅拌并混合，直到达到透明的均匀混合物; （c）向均匀混合物中加入氯化锂和硼酸三甲酯; （d）超声处理步骤（c）的混合物。