Meet the editors

Dr Usama Ahmad holds a specialization in pharmaceutics from Amity University, Lucknow, India. He received his Ph.D. degree from Integral University on the work titled 'Development and evaluation of silymarin nanoformulation for hepatic carcinoma'. Currently, he's working as an Assistant Professor of Pharmaceutics at the Faculty of Pharmacy, Integral University. He has been teaching Pharm. D, B. Pharm, and M. Pharm students and con-

ducting research in the novel drug delivery domain. From 2013 to 2014 he worked on a research project funded by SERB-DST, Government of India. He has rich publication records with more than fifteen original articles published in reputed journals, one book chapter with McGraw Hill Publishers, and a number of scientific articles published in 'Ingredients South Asia Magazine' and 'QualPharma Magazine'. He is a member of the American Association for Cancer Research, Commonwealth Pharmacist Association, and British Society for Nanomedicine. Dr Ahmad's research focus is on the development of nanoformulations to facilitate the delivery of drugs to provide practical solutions to current healthcare problems.

Dr Juber Akhtar completed his B. Pharm in 2005 from Jamia Hamdard University, New Delhi. In 2007 he completed his M. Pharm with specialization in Pharmaceutics from Manipal University, Karnataka. He obtained his PhD degree from Integral University in 2014. He is currently employed as an Associate Professor at Integral University. He acted as Head of Department from 2014 to 2016. He has experience in teaching abroad and

has served as a Professor at Buraydah College of Dentistry and Pharmacy, KSA. Dr Akhtar has more than 40 publications in reputed journals and is also an editorial member of many esteemed journals. He has supervised a dozen PhD and M. Pharm students in research projects. Dr Akhtar is actively involved in research activities and his areas of interest include development of a nano particulate drug delivery system to target various organs.

Contents

**Section 1**

*by Pinak Patel*

Drug Analysis *by Shaza W. Shantier*

**Section 2**

**Section 3**

*by Zermina Rashid*

*and Hussain Ali*

**Preface III**

Preformulation Study **1**

**Chapter 1 3**

**Chapter 2 23**

**Chapter 3 41**

Estimation of Bioavailability **63**

**Chapter 4 65**

Drug Delivery System **83**

**Chapter 5 85**

**Chapter 6 101**

**Chapter 7 117**

pH-Responsive Microgels: Promising Carriers for Controlled Drug Delivery

*by Harsha Virsingh Sonaye, Rafik Yakub Shaikh and Chandrashekhar A. Doifode*

Using Microbubbles as Targeted Drug Delivery to Improve AIDS

Nanopharmaceuticals: A Boon to the Brain-Targeted Drug Delivery *by Mahira Zeeshan, Mahwash Mukhtar, Qurat Ul Ain, Salman Khan* 

*by Anis Yohana Chaerunisaa, Sriwidodo Sriwidodo and Marline Abdassah*

Preformulation Studies: An Integral Part of Formulation Design

Microcrystalline Cellulose as Pharmaceutical Excipient

Bioavailability and Bioequivalence Studies

*by Divvela Hema Nagadurga*
