Institute of Industrial Biotechnology

G. C. University, Lahore

 

Research & publications

1986

 

Haq, I. , Saleem, M. and Naheed, S. 1986. Uptake of some metal contaminants by Coriandrum sativum irrigated with raw sewage effluents. Biologia, 32(1): 1-9.

1987

Haq, I. , Jabeen, R. M. and Naheed, S. 1987. Effect of nitrogen fertilizers on uptake of copper by Coriandrum sativum L. Biologia, 33(2): 209-221

. 1990.

 

Haq, I. , Iqbal, S. H. and Qadeer, M. A. 1990. Production of cellulose degrading enzymes by mould cultures. J. Pure & App. Sci ., 9(1): 1-10.

1991.

 

Haq, I. , Latif, Z., Iqbal, S. H. and Qadeer, M. A. 1991. Production of cellulases by locally isolated mould cultures. Biologia, 37(1): 43-50.

 

19 92

 

Zahoor, R., Haq, I. and Iqbal, S. H. 1992. Vesicular arbuscular mycorrhiza as a deterrent to pathogenic infection caused by Macrophomina phaseolina (Tassi) Goid., In Capsicum annum L. , at different soil moisture regimes. Sci. Int ., 4(1): 103-107.

19 92

 

Zahoor, R., Haq, I. and Iqbal, S. H. 1992. Role of VA mycorrhiza as a deterrent to pathogenic infection caused by Macrophomina phaseolina (Tassi) Goid,. In Capsicum annum L. , Sci. Int ., 4(1): 93-96.

19 92

 

Zahoor, R., Haq, I. and Iqbal, S.H. 1992. Trichoderma viride (Pers. Ex. S.F. Gray) as a deterrent to soil born root infecting plant pathogen Macrophomina phaseolina (Tassi) Goid,. In Capsicum annum L. , Sci. Int ., 4(1): 97-102.

1993

 

Haq, I. , Shabbir, S., Qadeer, M. A. and Iqbal, S. H. 1993. Microbiological examination of raw milk. Biologia, 39(2): 133-136.

1993

 

Haq, I. , Iqbal, S. H. and Qadeer, M. A. 1993. Optimization of cultural conditions for the production of pectinases by Aspergillus niger . Sci. Int ., 4(4): 401-403.

 

1993.

 

Haq, I. , Iqbal, S. H. and Qadeer, M. A. 1993. Production of Xylanase & carboxymethyl cellulase by mould culture. Sci. Int ., 4: 505-407.

 

. 1995

 

Haq, I. , Ashraf, M.H., Malik, S. and Qadeer, M. A. 1995. Solid-state fermentation of citric acid by Aspergillus niger . Biologia, 41(1): 1-10.

. 1995

 

Haq, I. , Mahmood. F., Qadeer, M. A. and Mukhtar, H. 1995. Microbiological examination of Khoa. Biologia, 41(2): 91-95.

1996

 

Haq, I. , Saleem, A. and Iqbal, S.H. 1996. Influence of different chemical fertilizers on the rhizopheric mycoflora of wheat. Sci. Int ., 8(1): 65-70.

1996

 

Haq, I. , Saleem, A. and Iqbal, S.H. 1996. Influence of some chemical fertilizers on mycoflora of rhizoplane of wheat. Sci. Int ., 8(1): 71-75.

1997

 

Haq, I. , Mukhtar, H. and Qadeer, M. A. 1997. Production of alkaline proteases by Bacillus spp. in shake flask. Biologia, 43(1): 71-81.

1997

 

Haq, I. , Saleem, U. Mukhtar, H., and Qadeer, M. A. 1997. Biosynthesis of alkaline proteases by Bacillus spp. and its evaluation in leather industries. Biologia, 43(2): 23-33.

1997

 

Haq I. , Ilyas, S., Ali, S. and Qadeer, M. A. 1997. Microbiological examination of bakery products. Biologia, 43(2): 35-43.

1997

 

Haq, I. , Ashraf, H. and Qadeer, M. A. 1997. Submerged fermentation of alpha amylase by Bacillus licheniformis GCB-36. Biologia, 43(2): 45-51.

1997

 

Haq, I. , Ashraf, H., Ali, S. and Qadeer, M. A. 1997. Biosynthesis of amyloglucosidase by Aspergillus niger CBA20 in shake flask. Biologia, 43(2): 53-59.

1998

 

Haq, I. , Sultan, M.A., Adnan, A. and Qadeer, M. A. 1998. Studies on the production of lipases by different mould cultures. Biologia, 44(1&2): 66-78.

1998

 

Haq, I. , Iqbal, F. and Qadeer, M. A. 1998. Production of L-DOPA from L- tyrosine by Aspergillus oryzae . Biologia, 44(1&2): 193-203. .

 

 

1998

 

Haq, I. , Sohail, Z. and Qadeer, M. A. 1998. Citric acid fermentation of starch hydrolyzate by mutant strain of Aspergillus niger . Biologia, 44(1&2): 6-16. amma rays in mutants of yeast refractory to UV-mutagenesis. Can. J. Genet. Cytol. 19: 323-330, 1977.

1998

 

Haq, I. and Zadi, S. 1998. Microbiological status of unpacked and packed soft drinks. Biologia, 44(1&2): 130-140.

 

1998

 

Haq, I. , Ali. U., Khurshid, S. and Mukhtar, H. 1998. Studies on the production of alkaline proteases by locally isolated cultures of Bacillus spp. Biologia, 44(1&2): 101-109.

1998

 

Haq, I. , Ashraf, H., Zahara, R. and Qadeer, M. A. 1998. Biosynthesis of alpha amylase by Bacillus subtilis GCB-12 using agricultural by products as substrates. Biologia, 44(1&2): 154-163.

1998

 

Haq, I. , Ghafoor, G., Khurshid, S. and Qadeer, M. A 1998.The influence of metal complexing agents on citric acid production by Aspergillus niger . Biologia, 44(1&2): 25-32.

1998

 

Haq, I. , Mukhtar, H. and Qadeer, M. A. 1998. Production of alkaline proteases by Bacillus subtilis and the recovery of silver from X-ray films. Biologia, 44(1&2): 250-258.

. 1999

 

Rajoka, M. I. and Haq, I. 1999. Use of Cellulomonas flavigena for the production of biomass and a cellular protein product from baggas. Biologia, 45(2): 147-160.

. 1999

 

Rajoka, M. I. and Haq, I. 1999. Culture condition for the enhanced production of cellobiohydrolase or exo-glucanase by an indigenous strain of Cellulomonas flavigena. Biologia, 45(1): 69-85.

. 1999

 

Haq, I. Ali, S. and Qadeer, M. A. 1999. Fed-Batch culture study during citric acid fermentation in stirred fermentor. Biologia , 45(2): 217-222.

2000.

 

Haq, I. , Ali, S. Saeed, N. & Qadeer, M.A. 2000. Incidence of Salmonella in ice cream and related products. Pak. J. Scientific Research, 52(3-4): 3-4. .

2000.

 

Aslam, A., Marium, I., Ali, S. and Haq, I. 2000. Microbiology of raw minced beef. Pak. J. Biol. Sci., 3(8): 1341-1342.

 

 

 

2000.

 

 

Ali, S., Haq, I. , Qadeer, M.A. & Iqbal, J. 2000. Effect of additives on citric acid fermentation by Aspergillus niger gcbt-32 in stirred fermentor. Biologia , 46(1&2): 1-6.

 

2000.

 

Marium. I. , Haq, I, and. Qadeer, M.A. 2000. Microbial examination of bottled mineral water available in the market. Pak .J. Biol. Sci., 3(8): 1343-1344.

. 2001

 

Ali, S., Haq, I. , Qadeer, M. A. and Iqbal, J. 2001. Biosynthesis of citric acid by locally isolated Aspergillus niger using sucrose-salt media. Pak. J. Biol. Sci ., 1(4): 178-181.

 

 

. 2001

 

Haq, I. , Inam, N. Ali, S. and Qadeer, M. A. 2001. Incidence of coliform in butter. Pak. J. Biol. Sci ., 1(4): 175-177.

 

. 2001

 

Marium. I., Aslam, A. Ali, S. and Haq, I. 2001. Microbial examination of raw minced mutton. Pak. J. Sci ., 53(1-2): 19-22.

. 2001

 

Ikram-ul-Haq, Asad-ur-Rehman and Sikander Ali. 2001. Biosynthesis of citric acid by Aspergillus niger , using cane-molasses as basal substrate . Pak. J. Biol. Scis ., 4(6): 601-602. .

. 2001

 

Ikram-ul-Haq, Shafia Rani, Hamad Ashraf, and Qadeer, M.A. 2001. Biosynthesis of alpha amylase by chemically treated mutant of Bacillus subtilis . Online J. Biol. Scis ., 2(2): 73-75. .

. 2001

 

Sikander Ali and Ikram-ul-Haq. 2001. Studies on the microbiological transformation of L-DOPA (L-3,4-Dihydroxyphenyl alanine) by mutant strains of Aspergillus oryzae . Pak. J. Pl. Sci. , 7(1-2): 11-23.

. 2001

 

Sikander Ali and Ikram-ul-Haq. 2001. Submerged fermentation of citric acid: Counter-ion effect of Cu 2+ on the deleterious effect of Fe 2+ in blackstrap molasses. Online J. Biological Scis , 1(9): 852-853.

. 2002

 

Ikram-ul-Haq, Kiran Shafiq, Sikander Ali and M. A. Qadeer. 2002. Production of enzyme invertase by Saccharomyces cerevisiae. Ind. J. Plant Scis ., 1(1): 5-8.

. 2002

 

Haq, I. , Ayesha Khan, W. A. Butt, S. Ali and M. A. Qadeer. 2002. Enhanced 5-production of xylanase by mutant strain of Aspergillus niger under solid state fermentation conditions. Ind. J. Plant Scis ., 1(1): 5-8.

.

. 2002

 

Sikander Ali, Hamad Ashraf and lkram-ul-Haq. 2002. Enhancement in citrate production by alcoholic limitation. Online J. Biol. Scis 2(2): 70-72.

. 2002

 

Ikram-ul-Haq, Ayesha Khan, Waseem Ahmad Butt, Sikander Ali And M. A. Qadeer. 2002. Effect of carbon and nitrogen sources on xylanase production by mutant strain of Aspergillus niger GCBMX-45. Online J. Biol. Scis 2(2): 143-144.

. 2002

 

Sikander Ali, Ikram-ul-Haq and Javed Iqbal. 2002. Exploitation of raw molasses sugar for citric acid production by Aspergillus niger . Ind. J. Plant Scis. , 1(2): 194-197.

. 2002

 

Saima Kamil, Sikander Ali, Waseem Ahmad Butt and Ikram-ul-Haq. 2002. Semi-pilot scale citric acid fermentation by N-methyl N-nitro N-nitroso guanidine induced mutant strain of Aspergillus niger NGGCB-101. Ind. J. Plant Scis , 2(1): 146-149.

. 2002

 

Ikram-ul-Haq, Hamad Ashraf, S. Omar and M.A. Qadeer. 2002. Biosynthesis of amyloglucosidase by Aspergillus niger using wheat bran as substrate. Pakistan Journal of Biological Sciences , 5(9): 962-964.

. 2002

 

Ikram-ul-Haq, Hamad Ashraf, Waseem Ahmad Butt and Qadeer, M.A. 2002. The extraction of amyloglucosidase from fermented fungal bran. Indus J. Plant Sciences , 2(1): 130-133.

. 2002

 

Ikram-ul-Haq, Nadia Riaz, Hamad Ashraf and Qadeer M. A. 2002. Effect of inorganic salts on the production of alpha amylase by Bacillus subtilis. Indus J. Plant Sciences , 2(1): 115-119.

. 2002

 

Kiran Shafiq, Sikander Ali and Ikram-ul-Haq. 2002. Effect of different mineral nutrients on invertase production by Saccharomyces cerevisiae GCB-K5. Biotechnol., 1(1): 40-44.

. 2002

 

Waseem Ahmad Butt, Ikram-ul-Haq and Javed Iqbal. 2002. Biosynthesis of xylanase by UV-treated mutant strain of Aspergillus niger GCBMX-45. Biotechnol. , 1(1): 10-14.

. 2002

 

Ikram-ul-Haq, Shahida Javed and Hamad Ashraf. 2002. Production of amyloglucosidase by UV-irradiated strain of Aspergillus niger . Biotechnol , 1(1): 34-39.

.

. 2002

 

Asad-ur-Rehman, Sikander Ali and Ikram-ul-Haq. 2002. Bio-production of citric acid by Aspergillus niger using agitator bioreactor. Ind. J. Plant Scis ., 1(4): 312-316

. 2002

 

Amna Ehsan, Ikram-ul-Haq, Waseem Ahmad Butt, Hamad Ashraf, Sikander Ali and M.A. Qadeer. 2002. Nutritional studies for xylanase biosynthesis by submerged fermentation from Aspergillus niger . Ind. J. Plant Scis ., 1(4): 372-375. .

. 2002

 

Ikram-ul-Haq, Aamir Ishaq, Sikander Ali and Javed Iqbal. 2002. Effect of calcium chloride on citric acid accumulation by Aspergillus niger in stirred fermentor. Ind. J. Plant Scis. , 1(4): 433-435.

. 2002

 

Ikram-ul-Haq, Amna Ehsan, Waseem Ahmad Butt and Sikander Ali. 2002. Studies on the biosynthesis of enzyme xylanase by submerged fermentation from Aspergillus niger GCBMX-45. Pak. J. Biol. Scis ., 5(12): 1309-1310.

. 2002

 

Ikram-ul-Haq, Roheena Abdullah, Hamad Ashraf and Athar Hussain Shah. 2002. Isolation and screening of fungi for the biosynthesis of alpha amylase. Biotechnol., 1 (2-4): 61-66.

. 2002

 

Asad-ur-Rehman, Sikander Ali and Ikram-ul-Haq. 2002. Temperature Optima for Citric acid Accumulation by Aspergillus niger . Biotechnol., 1 (2-4): 108-110.

 

. 2002

 

Misbah Kanwal, Sikander Ali, Asad-ur-Rehman, Hammad Ashraf, Waseem Ahmed Butt and Ikram-ul-Haq. 2002. Effect of phosphorous concentrations on citric acid productivity by Aspergillus niger MIS-K1. Scientific Khyber , 15 (2): 71-75.

. 2002

Sikander Ali, Asad-ur-Rehman and Ikram-ul-Haq. 2002. Optimisation of nutritional parameters for citrate bioproduction using blackstrap molasses. Scientific Khyber , 15 (2): 63-70

. 2002

 

Ikram-ul-Haq, Sikander Ali, Qadeer, M. A. and Javed Iqbal. 2002. Citric acid fermentation: basic theme, principals and importance, A Review. Proceedings Pak. Acad. Scis., 40(1): 107-112

. 2002

 

Ikram-ul-Haq, Hamad Ashraf and Qadeer, M.A. 2002. Production of amyloglucosidase by chemically treated strain of Aspergillus niger . Biologia , 48(1&2): 121-130 .

. 2002

Hamad Ashraf, Saima Karamat, Ikram-ul-Haq and Qadeer M.A. 2002. Effect of polyalcohols on the biosynthesis of alpha amylase by Bacillus subtilis . Biologia , 48(1&2): 169-174.

 

. 2002

 

Sikander Ali, Ikram-ul-Haq and Javed Iqbal. 2002. Study of kinetic parameters for citrate over production by an Aspergillus niger mutant NG-110 using shake flask technique. Biologia , 48(1&2): 189-196.

. 2002

 

Ikram-ul-Haq, Kiran Shafiq and Sikander Ali. 2002. Kinetic analysis of invertase production capacity of two yeast cultures. Biologia , 48(1&2): 197-202. .

. 2002

 

Ikram-ul-Haq, Shazia Mirza, Amna Saadia, Kiran Shafiq, Sikander Ali and M.A. Qadeer. 2002. Microbial examination of packed dates available in local markets. Biologia , 48(1&2): 247-250. .

. 2002

 

Ikram-ul-Haq, Nuzhat Inam, Kiran Shafiq, Sikander Ali and M.A. Qadeer. 2002. Studies on the incidence of coliform in cheese. Biologia , 48(1&2): 251-256. .

. 2002

 

Ikram-ul-Haq, Tehrima Iftikhar, M.A. Qadeer, Mohammad Mohsin Javed, Hamad Ashraf and Hamid Mukhtar. 2002. Production of extracellular lipases by Bacillus sp. GCB-3 in relation to the nutritional conditions. Biologia , 48(1&2): 257-265.

. 2002

 

Ikram-ul-Haq, Sikander Ali, Qadeer, M.A. and Javed Iqbal. 2002. Nitrogen requirement for enhanced citric acid production by filamentous fungi Aspergillus niger . Biologia , 48(1&2): 267-273

2003.

 

Umar Farooq Awan, Kiran Shafiq, Shazia Mirza, Sikander Ali, Asad-ur-Rehman and Ikram-ul-Haq. 2003. Mineral constituents of culture medium for lipase production by Rhizopus oligosporus fermentation. Asian J. Pl. Scis. , 2(12): 913-915.

2003.

 

Amer Ishaq, Asad-ur-Rehman, Sikander Ali and Ikram-ul-Haq. 2003. Effect of polyalcohol on citric acid fermentation by filamentous fungi Aspergillus niger . Ind. J. Plant Scis ., 2(1): 96-99.

2003.

 

Amna Saadia, Shazia Mirza, Sikander Ali and Ikram-ul-Haq. 2003. Studies on the microbiological examination of unpacked dates available in local market. Ind. J. Plant Scis ., 2(1): 1-4.

.

2003.

 

Kiran Shafiq, Sikander Ali, Amna Ehsan and Ikram-ul-Haq. 2003. Optimization of assay conditions and inoculum size with kinetic analysis for biosynthesis of invertase by Saccharomyces cerevisiae GCB-K5. Online J. Biological Scis. , 3(2): 191-196.

2003.

Ikram-ul-Haq, Hamid Mukhtar, Sunila Daudi, Sikander Ali and M.A. Qadeer. Production of proteases by locally isolated mould culture under lab conditions. 2003. Biotechnol. , 2(1): 30-36.

2003.

 

Rubina Mazar, Sikander Ali, Ikram-ul-Haq and Abdul Waheed. 2003. Citric acid fermentation by Aspergillus niger NG-110 in shake flask. Online J. Biological Scis. , 3(3): 360-370. .

2003.

 

Sikander Ali, Asad-ur-Rehman and Ikram-ul-Haq. 2003. Time course study of citrate fermentation by Aspergillus niger in stationary culture. Pak. J. Biol. Sci ., 6(4): 331-333.

2003.

 

Sikander Ali, Asad-ur-Rehman, Amna Ehsan, Ikram-ul-Haq and Javed Iqbal. 2003. Effect of vegetative inoculum on submerged citric acid fermentation by Aspergillus niger . Pak. J. Biol. Sci ., 6(4): 334-335.

2003.

Mirza Ahsen Baig, Kiran Shafiq, Shazia Mirza, Sikander Ali and Ikram-ul-Haq. 2003. Effect of Urea as an Inducer of Beta-Fructofuranosidase in Saccharomyces Fermentation. Pak. J. Nutrition , 2 (2): 106-108. .

2003.

 

Mirza Ahsen Baig, Kiran Shafiq, Shazia Mirza, Sikander Ali and Ikram-ul-Haq. 2003. Effect of Nitrogen and Phosphate Sources on the biosynthesis of Beta-Fructofuranosidase. Online J. Biological Scis. , 3(6): 591-595.

2003.

 

Mirza Ahsen Baig, Shazia Mirza, Sikander Ali, Kiran Shafiq, and Ikram-ul-Haq. 2003. Effect of rate, pH and size of vegetative inoculum on microbial production of ß-Fructofuranosidase . Sci.Int ., 15(1): 71-73.

 

2003.

 

Mirza Ahsen Baig, Kiran Shafiq, Sikander Ali, Shazia Mirza, Zafar Siddiq and Ikram-ul-Haq. 2003. Optimization of cultural conditions for the biosynthesis of ß-fructofuranosidase by Saccharomyces cerevisiae . Pak. J. Biol. Scis., 6(11): 952-954.

 

 

2003.

 

Umar Farooq Awan, Shazia Mirza, Kiran Shafiq, Sikander Ali and Ikram-ul-Haq. 2003. Biosynthesis of lipase by Rhizopus oligosporous ISU UV -16 using agricultural by-products as substrate. J. Food Technol. , 1(3): 111-114.

 

2003.

 

Asad-ur-Rehman, Sikander Ali and Ikram-ul-Haq, 2003. Phosphate limitation for enhanced citric acid fermentation using Aspergillus niger mutant UV-M9 on semi-pilot plant. Pak. J. Biological Scis. , 6(14): 1247-1249

2003.

 

Ayesha Khan, Sikander Ali, Ikram-ul-Haq and Shumaila Manzoor. 2003. Effect of different nitrogen and carbon sources on the production of 3,4-dihydroxy phenyl L-alanine (L-DOPA) by strain of Aspergillus oryzae ISB-9. Science Int. , 15(2): 167-170.

2003.

 

Kiran Shafiq, Ikram-ul-Haq and Sikander Ali. 2003. Predicting vegetative inoculum performance to maximize invertase production by Saccharomyces cerevisiae in submerged fermentation. J. Food Technol., 1(4): 160-162.

2003.

 

Saima Karamat, Asad-ur-Rehman, Ambreen Sadiq, Sikander Ali, Kiran Shafiq and Ikram-ul-Haq. 2003. Nitrogen Limitation for Citrate Accumulation by Yarrowia Lipolytica NRRL-143 in Shake Flask. J. Food Technol. , 1(4): 157-159.

2003.

 

Maaiedah Tasneem, Ayesha Khan, Hamad Ashraf and Ikram-ul-Haq. 2003. Xylanase biosynthesis by chemically mutated strain of Aspergillus niger . J. Food Technol. , 1(4): 178-181 .

2003.

 

Roheena Abdullah, Hamad Ashraf and Ikram-ul-Haq. 2003. Optimization and kinetic analysis of carbon source on the production of alpha amylase by Saccharomyces cerevisiae . J. Food Technol. , 1(4): 187-190 .

2003.

 

Hamad Ashraf, Nasreen Jamel Meo and Ikram-ul-Haq. 2003. Biosynthesis of alpha amylase by Bacillus licheniformis using extracts of different brans. J. Food Technol. , 1(4): 173-177.

 

2003.

 

 

Sikander Ali, Ikram-ul-Haq and Javed Iqbal. 2003. Rate of citric acid fermentation by Aspergillus niger using stationary culture. J. Natural Scis & Mathematics , 43(1): 11-16.

 

2003.

Nadia Riaz, Ikram-ul-Haq and M.A. Qadeer. 2003. Characterization of α-amylase by Bacillus subtilis. Int. J. Agriculture & Biol. , 1560-8530/2003/05-3-249-252.

2003.

 

Asad-ur-Rehman, Sikander Ali and Ikram-ul-Haq. 2003. Selection of fermentation medium for citric acid bioproduction in bioreactor. Biotechnol. , 2(3): 178-184.

 

2003.

 

yesha khan, Ikram-ul-Haq, Waseem Ahmed Butt and Sikander Ali. 2003. Isolation and screening of Aspergillus niger isolates for xylanase biosynthesis. Biotechnol., 2(3): 185-190.

2003.

 

Kiran Shafiq, Sikander Ali and Ikram-ul-Haq. 2003. Time course study for yeast invertase production by submerged fermentation. J. Biological Scis , 3(11): 984-988.

2003.

 

Ayesha Khan, Sikander Ali and Ikram-ul-Haq. 2003. Effect of time course, temperature and pH on xylanase production by mutant strain of Aspergillus niger GCBMS-45. J. Natural Scis & Math. , 43(2): 119-126.

. 2004

Hamad Ashraf, Asad-ur-Rehman and Ikram-ul-Haq. 2004. Effect of alcohols on the production of citric acid by Aspergillus niger using solid state fermentation. J. Food Technol. , 2(1): 01-03

. 2004

 

Ayesha Khan, Sikander Ali and Ikram-ul-Haq. 2004. Study of cultural conditions for the conversion of L-Tyrosine to L-DOPA by the strain of Aspergillus oryzae ISB-9. J. Food Technol. , 2(1): 04-07.

. 2004

 

Ikram-ul-Haq, Kiran Shafiq and Sikander Ali. 2004. Kinetics of phosphate ions induced invertase synthesis by Saccharomyces cerevisiae . Int. J. Agriculture & Biol. , 2: 363-365

. 2004

Kiran Shafiq, Sikander Ali and Ikram-ul-Haq. 2004. Kinetic analysis of nutritional strategies for invertase production by Saccharomyces cerevisiae KR 18 . Pak. J. Biotechnol ., 1(1): 25-30.

. 2004

Kiran Shafiq & Ikram-ul-Haq. 2004. Temperature Optima for invertase secretion by yeast in synthetic medium. Pak. J. Life & Social Scis. , 2(1): 21-23.

. 2004

 

Rubina Mazar, Asad-ur-Rehman, Ambreen Sadiq, Sikander Ali, Abdul Waheed and Ikram-ul-Haq. 2004. Study of some kinetic parameters for citric acid biosynthesis by Aspergillus niger mutant NG-110 using shake flask technique. Pak. J. Sci. Ind. Res . 47(2): 157-159.

. 2004

 

Ikram-ul-Haq, Hamid Mukhtar, Zahid Ali and Nadia Riaz. 2004. Protease biosynthesis by mutant strain of Penicillium griseoroseum and cheese formation. Pak. J. Biological Scis ., 7(9): 1473-1476 .

. 2004

 

Ikram-ul-Haq, Maaiedah Tasneem, Koukab Rana, Ayesha Khan, Hmid Mukhtar and Mohsin Javed. 2004. Optimization of cultural conditions for the production of xylanase by chemically mutated strain of Aspergillus niger GCBCX-20. Int. J. Ag. & Biol ., 6(6): 1115-1118

. 2004

 

Ikram-ul-Haq, Sikander Ali and M.A. Qadeer. 2004. Comparison of hyperproducer Aspergillus niger cultures (IFS-5, IFS-6 and IFS-17) for citric acid fermentation in surface culture. Pak. J. Scientific and Ind. Res., 47(5): 403-405.

. 2005

 

Koukab Rana, Ikram-ul-Haq and Hamad Ashraf. 2005. Production of amyloglucosidase by UV irradiated strain of Aspergillus niger using solid state fermentation. J. Food Sci ., 3(1): 68-71.

. 2005

 

Hamad Ashraf, Koukab Rana, Hifzah Zainab and Ikram-ul-Haq. 2005. Production of alpha amylase by a strain of Bacillus licheniformis. J. Food Sci ., 3(1): 64-67.

2005

 

Ikram-ul-Haq, Uzma Hameed, Kiran Shahzadi, M. Mohsin Javed, Sikander Ali and M.A. Qadeer. 2005. Int. J. Bot ., 1(1): 19-22.